Packages tagged library

16632 packages have this tag.

[Merge tag] (trustees only)

Related tags: bsd3 (9547), mit (3345), data (2517), program (2516), web (1930), deprecated (1175), network (1062), text (976), control (847), gpl (765), language (720), math (719), system (718), development (671), graphics (579), apache (540), database (539), mpl (493), unclassified (441), testing (429), aws (384), data-structures (341), public-domain (279), parsing (265), concurrency (251), lgpl (247), cloud (227), cryptography (202), codec (191), sound (191), google (188), game (184), bsd2 (179), generics (143), ffi (139), algorithms (135), json (117), xml (113), foreign (112), agpl (109), bioinformatics (108), frp (102), yesod (102), prelude (101), music (100), compilers-interpreters (95), monads (94), user-interfaces (91), distribution (90), numeric (87), natural-language-processing (84), bindings (83), ai (77), conduit (76), gui (76), numerical (75), finance (72), hardware (70), servant (70), utils (70), logging (69), configuration (68), distributed-computing (67), machine-learning (67), statistics (67), time (66), algebra (61), streaming (60), lenses (56), acme (55), pipes (55), console (51), template-haskell (51), dependent-types (49), game-engine (49), test (49), compiler (47), debug (47), graphs (43), type-system (43), logic (42), security (42), api (41), formal-methods (41), cli (40), theorem-provers (40), records (39), parallelism (37), filesystem (36), nix (36), embedded (35), utility (35), compression (33), reactivity (33), snap (33), tools (33), enumerator (32), javascript (32), physics (32), serialization (32), phonetic-languages (31), postgresql (31), crypto (30), effect (30), ghc (30), html (29), Ukrainian (28), parser (28), accelerate (27), error-handling (27), aviation (26), code-generation (26), data-mining (26), image (26), monad (26), documentation (25), failure (25), other (25), combinators (24), constraints (24), education (24), optimization (24), pretty-printer (24), application (23), csv (23), smt (23), types (23), geometry 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Name
DLs
Rating
Rev Deps
Description
Tags
Last U/L
Last Version
Maintainers
2captcha (deprecated in favor of captcha-2captcha)41.50Haskell package for easy integration with the 2captcha API. (deprecated, library, mit, network)2021-09-090.1.0.0qwbarch
3dmodels31.513D model parsers (graphics, lgpl, library)2014-11-080.3.0capsjac
AAI52.00Abstract Application Interface. (control, library, mit)2015-08-030.2.0.1bash0r
ABList110.01An alternating list of two types (bsd3, data, library)2014-06-230.0.3DylanJust
AC-Angle90.05Angles in degrees and radians. (bsd3, data, library, math, numerical)2010-07-231.0AndrewCoppin
AC-Boolean60.01Handle Boolean values generatically. (bsd3, data, library, logic, math)2010-11-091.1.0AndrewCoppin
AC-BuildPlatform30.01Detect which OS you're running on. (bsd3, library, system)2011-06-081.1.0AndrewCoppin
AC-Colour130.01Efficient RGB colour types. (bsd3, data, graphics, library, math, numerical)2014-01-121.1.6AndrewCoppin
AC-EasyRaster-GTK60.01GTK+ pixel plotting. (bsd3, graphics, library)2010-10-281.1.3AndrewCoppin
AC-HalfInteger30.01Efficient half-integer type. (bsd3, data, library, math, numerical)2009-08-121.2.1AndrewCoppin
AC-MiniTest10.01A simple test framework. (bsd3, library, testing)2012-02-241.1.1AndrewCoppin
AC-PPM80.01Trivial package for writing PPM images. (bsd3, codec, graphics, library)2010-01-181.1.1AndrewCoppin
AC-Random50.01A pure Haskell PRNG. (bsd3, library, random)2011-08-250.1AndrewCoppin
AC-Terminal10.01Trivial wrapper over ansi-terminal. (bsd3, data, library, math, numerical)2010-10-281.0AndrewCoppin
AC-VanillaArray30.01Immutable arrays with plain integer indicies. (bsd3, data, library)2010-01-171.1.2AndrewCoppin
AC-Vector162.08Efficient geometric vectors and transformations. (bsd3, data, graphics, library, math, numerical)2024-03-172.4.0AndrewCoppin, JanRochel
AC-Vector-Fancy100.01Fancy type-system stuff for AC-Vector (bsd3, data, graphics, library, math, numerical)2010-08-152.4.0AndrewCoppin
ACME42.251Essential features (acme, bsd3, library)2015-01-020.0.0.1JamesCandy
ADPfusion250.015Efficient, high-level dynamic programming. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)2019-10-010.6.0.0ChristianHoener
ADPfusionForest30.01Dynamic programming on tree and forest structures (bioinformatics, bsd3, formal-languages, library)2017-11-230.0.0.1ChristianHoener
ADPfusionSet30.03Dynamic programming for Set data structures. (algorithms, bioinformatics, bsd3, data-structures, formal-languages, library)2017-10-190.0.0.2ChristianHoener
AERN-Basics (deprecated in favor of aern2-mp, aern2-real)40.04foundational type classes for approximating exact real numbers (bsd3, data, deprecated, library, math, program)2011-05-112011.1.0.1MichalKonecny
AERN-Net (deprecated in favor of aern2-mp, aern2-real)10.01Compositional lazy dataflow networks for exact real number computation (bsd3, deprecated, distributed-computing, library, math)2009-07-290.2.1.1MichalKonecny
AERN-Real (deprecated in favor of aern2-mp, aern2-real)40.06arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math)2011-05-112011.1.0.1MichalKonecny
AERN-Real-Double (deprecated in favor of aern2-mp, aern2-real)50.01arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math, program)2011-05-112011.1.0.2MichalKonecny
AERN-Real-Interval (deprecated in favor of aern2-mp, aern2-real)60.02arbitrary precision real interval arithmetic (bsd3, data, deprecated, library, math)2011-05-112011.1.0.1MichalKonecny
AERN-RnToRm (deprecated)30.03polynomial function enclosures (PFEs) approximating exact real functions (bsd3, data, deprecated, library, math)2009-07-290.5.0.1MichalKonecny
AERN-RnToRm-Plot (deprecated)120.01GL plotting of polynomial function enclosures (PFEs) (bsd3, data, deprecated, library, math)2009-08-010.2.0.3MichalKonecny
AES150.07Fast AES encryption/decryption for bytestrings (bsd3, cryptography, library)2014-05-070.2.9SveinOveAas
AFSM32.01Arrowized functional state machines (frp, library, mit)2016-04-210.1.3.1hanzhxu
AGI20.01A library for writing AGI scripts for Asterisk (bsd3, library, network)2009-12-071.3JeremyShaw
ALUT100.02A binding for the OpenAL Utility Toolkit (bsd3, library, sound)2019-06-102.4.0.3StephenBlackheath, SvenPanne
AMI20.01Low-level bindings for Asterisk Manager Interface (AMI). (bsd3, library, network)2012-01-160.1IlyaPortnov
ANum90.02Num instance for Applicatives provided via the ANum newtype (bsd3, data, library)2018-02-130.2.0.2DanBurton
ASN110.01ASN.1 support for Haskell (bsd3, language, library)2008-06-220.0.1.1HerbertValerioRiedel
AVar (deprecated)50.01Mutable variables with Exception handling and concurrency support. (bsd3, concurrency, deprecated, library)2009-12-080.0.5.1AlexMason
AWin32Console20.01A binding to a part of the ANSI escape code for the console (bsd3, library, system)2010-01-241.1HaraldWolfsgruber
AbortT-monadstf20.01Monads-tf instances for the AbortT monad transformer. (bsd3, control, library)2012-12-071.0GregoryCrosswhite
AbortT-mtl20.02mtl instances for the AbortT monad transformer (bsd3, control, library)2016-02-061.0.0.1GregoryCrosswhite
AbortT-transformers60.06A monad and monadic transformer providing "abort" functionality (bsd3, control, library)2019-07-191.0.1.3GregoryCrosswhite
ActionKid10.01An easy-to-use video game framework for Haskell. (bsd3, game-engine, library, program)2014-11-110.1.1.0AdityaBhargava
Adaptive10.01Library for incremental computing. (algorithms, bsd3, library, program)2013-01-280.23DustinDeWeese, MagnusCarlsson, PeterJonsson
Adaptive-Blaisorblade20.01Library for incremental computing. (bsd3, control, library, program)2013-01-260.23PaoloGiarrusso
Advise-me10.00Assessment services for the Advise-Me project (apache, education, library, program)2019-10-300.1BastiaanHeeren
AesonBson120.01Mapping between Aeson's JSON and Bson objects. (data, library)2022-05-060.4.1AndrasSlemmer, NiklasHambuechen
Agata (deprecated in favor of testing-feat)30.01Generator-generator for QuickCheck (bsd3, deprecated, library, testing)2012-08-010.2.1.1JonasDuregard
AhoCorasick100.01Aho-Corasick string matching algorithm (bsd3, library, text)2023-10-140.0.4SergeyLymar, kostmo
AlanDeniseEricLauren40.01Find the minimal subset/submap satisfying some property. (algorithms, bsd3, library)2016-08-240.1.0.1EchoNolan
AlgoRhythm20.00Algorithmic music composition (algorithmic-music-composition, automatic-music-generation, bsd3, chaos-music, generative-music-grammars, library, program)2018-04-060.1.0.0omelkonian
AlignmentAlgorithms70.01Collection of alignment algorithms (algorithms, bioinformatics, data-structures, gpl, library, linguistics)2017-03-140.1.0.0ChristianHoener
Allure252.01Near-future Sci-Fi roguelike and tactical squad combat game (agpl, game, library, program, roguelike)2021-12-170.11.0.0MikolajKonarski
Animas30.01Updated version of Yampa: a library for programming hybrid systems. (bsd3, frp, library, reactivity)2011-03-270.2EdwardAmsden
Annotations80.01Constructing, analyzing and destructing annotated trees (bsd3, generics, library)2016-12-050.2.2MartijnVanSteenbergen
Aoide30.00A simple music library with the capability of generating .ly and .mid files. (bsd3, composition, library, music)2020-07-070.1.0.2Liisi_Kerik
ApplePush10.01Library for Apple Push Notification Service (bsd3, library, network, program)2009-07-130.1ChrisMoos
ApproxFun-hs10.01Function approximation (bsd3, library, math)2015-04-260.1.0.0DominicSteinitz
ArrayRef10.01Unboxed references, dynamic arrays and more (bsd3, data, library)2009-06-260.1.3.1GwernBranwen
ArrowVHDL30.01A library to generate Netlist code from Arrow descriptions. (library, public-domain, testing)2015-02-211.1frosch03, brettschneider
AspectAG60.05First-class Attribute Grammars implemented using type-level programming. (gpl, language, library)2024-11-080.8.0.0MarcosViera, jpgarcia
AsyncRattus82.00An asynchronous modal FRP language (bsd3, frp, library)2025-01-090.2.1PatrickBahr
AttoBencode50.01Fast Bencode encoding and parsing library (bsd3, data, library)2014-06-240.3.1.0FlorianHartwig
AttoJson (deprecated in favor of aeson)20.04Simple lightweight JSON parser, generator & manipulator based on ByteString (bsd3, deprecated, library, text)2011-02-030.5.10HiromiIshii
AutoForms20.01GUI library based upon generic programming (SYB3) (gui, library)2008-09-170.4.2MadsLindstroem
AvlTree40.02Balanced binary trees using the AVL algorithm. (bsd3, data-structures, library)2008-08-294.2AdrianHey
BASIC11.751Embedded BASIC (bsd3, language, library)2009-02-090.1.5.0LennartAugustsson
BCMtools20.00Big Contact Map Tools (bioinformatics, library, mit, program)2015-05-050.1.1kaizhang
BNFC282.252A compiler front-end generator. (bsd3, library, parsing, program)2023-07-262.9.5AndreasAbel, GregoireDetrez, MarkusForsberg, ThomasHallgren
BNFC-meta190.01Deriving Parsers and Quasi-Quoters from BNF Grammars (development, gpl, language, library, parsing, text)2020-02-090.6.1JeanPhilippeBernardy, JonasDuregard, ArtemPelenitsyn
BPS20.00Translations of classic Truth Maintenance Systems (gpl, library, program, truth-maintenance)2022-09-130.1.1.0jpmrst
Baggins20.01Tools for self-assembly (gpl, library, math)2014-06-121.0pmeunier
Bang10.01A Drum Machine DSL for Haskell (library, mit, sound)2015-10-260.1.1.15outh
Barracuda10.01An ad-hoc P2P chat program (library, network, program)2008-04-051.0.2GwernBranwen
BenchmarkHistory40.01Benchmark functions with history (benchmarking, gpl, library)2015-11-190.0.0.2ChristianHoener
BerkeleyDB60.02Berkeley DB binding (bsd3, database, library)2013-03-130.8.7JohnMcCall, StephenBlackheath
BerkeleyDBXML120.01Berkeley DB XML binding (bsd3, database, library)2011-09-060.7.2StephenBlackheath
BerlekampAlgorithm30.01Factorization of polynomials over finite field (bsd3, library, math)2013-06-100.1.0.0AbdelwahebMiled
BesselJ10.00Bessel J-function, Anger J-function, Weber E-function, and Anger-Weber function. (bsd3, library, math)2023-09-220.2.0.1stla
BiGUL12.251The Bidirectional Generic Update Language (generics, language, lenses, library, public-domain)2016-08-301.0.1joshko, Zirun
BinderAnn10.00Source-to-source plugin for enhancing EDSLs with static annotations (bsd3, compiler-plugin, library)2020-03-190.1.0.0agustinmista
Binpack30.01Common bin-packing heuristics. (algorithms, bsd3, heuristics, library)2014-02-070.4.1BjoernBrandenburg, DavidFeng
BioHMM30.01Libary for Hidden Markov Models in HMMER3 format. (bioinformatics, gpl, library)2017-06-091.2.0FlorianEggenhofer
Biobase20.06Base library for bioinformatics (bioinformatics, gpl, library)2011-04-080.3.1.1ChristianHoener
BiobaseBlast70.04BLAST-related tools (bioinformatics, gpl, library)2021-06-050.3.3.0ChristianHoener, FlorianEggenhofer
BiobaseDotP10.02Vienna / DotBracket / ExtSS parsers (bioinformatics, gpl, library)2011-08-220.1.0.0ChristianHoener
BiobaseENA50.02European Nucleotide Archive data (bsd3, data, library)2021-06-040.0.0.2ChristianHoener
BiobaseEnsembl40.01Ensembl related datastructures and functions (bioinformatics, gpl, library)2020-01-090.2.0.1FlorianEggenhofer
BiobaseFR3D20.02Importer for FR3D resources (bioinformatics, gpl, library)2012-02-160.2.3.0ChristianHoener
BiobaseFasta110.04streaming FASTA parser (bioinformatics, bsd3, library, program)2021-06-040.4.0.1ChristianHoener
BiobaseHTTP40.01Libary to interface with the Bioinformatics HTTP services - Entrez Ensembl (bioinformatics, gpl, library)2019-11-201.2.0FlorianEggenhofer
BiobaseInfernal190.03Infernal data structures and tools (bioinformatics, gpl, library, program)2017-03-140.8.1.0ChristianHoener
BiobaseMAF10.01Multiple Alignment Format (bioinformatics, gpl, library)2011-07-290.5.0.0ChristianHoener
BiobaseNewick60.02Newick file format parser. (bioinformatics, bsd3, library, program)2017-07-070.0.0.2ChristianHoener
BiobaseTrainingData60.02RNA folding training data (bioinformatics, gpl, library, program)2011-09-290.1.2.3ChristianHoener
BiobaseTurner140.04Import Turner RNA parameters (bioinformatics, gpl, library)2013-04-250.3.1.1ChristianHoener
BiobaseTypes260.012Collection of types for bioinformatics (bioinformatics, bsd3, data-structures, library)2021-06-040.2.1.0ChristianHoener
BiobaseVienna120.03Import Vienna energy parameters (bioinformatics, gpl, library)2013-04-220.3.0.0ChristianHoener
BiobaseXNA400.017Efficient RNA/DNA/Protein Primary/Secondary Structure (bioinformatics, bsd3, library, program)2021-06-040.11.1.1ChristianHoener
BitStringRandomMonad110.01 (bsd3, crypto, library)2018-03-031.1.0.2Ofenhed
BitSyntax80.01A module to aid in the (de)serialisation of binary data (bsd3, library, serialization)2021-01-170.3.2.2AdamLangley, joecrayne
Bitly (deprecated)40.01A library to access bit.ly URL shortener. (bsd3, deprecated, library, web)2012-02-020.1.0SergeyAstanin
Blammo332.09Batteries-included Structured Logging library (library, logging, mit)2025-02-192.1.2.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
Blammo-wai30.01Using Blammo with WAI (library, logging, mit, web)2024-08-010.0.0.2PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
BlastHTTP30.02Libary to interface with the NCBI blast REST interface (bioinformatics, gpl, library)2021-06-051.4.2FlorianEggenhofer
Blobs30.01Diagram editor (graphics, library, program)2012-06-190.3AlanZimmerman
BlogLiterately1250.02A tool for posting Haskelly articles to blogs (gpl, library, program, web)2023-02-080.8.8.2BrentYorgey, RobertGreayer
BlogLiterately-diagrams560.01Include images in blog posts with inline diagrams code (bsd3, library, program, web)2023-08-220.3.1BrentYorgey
Blogdown31.51A markdown-like markup language designed for blog posts (agpl, library, program, web)2018-02-050.2.4alexbecker
BluePrintCSS (deprecated)40.01Html document layout library. (bsd3, deprecated, library, text, web)2010-08-030.1SergeyMironov
Blueprint10.01Preview of a new build system. (bsd3, distribution, library)2009-11-300.1GregoryCrosswhite
Boolean342.021Generalized booleans and numbers (bsd3, data, library)2017-02-190.2.4ConalElliott
BoundedChan170.014Implementation of bounded channels. (bsd3, concurrency, library)2014-05-141.0.3.0AdamWick
Bravo20.01Static text template generation library (bsd3, library, text)2010-03-240.1.0.1MatthiasReisner
BufferedSocket50.01A socker wrapper that makes the IO of sockets much cleaner (library, mit, network)2015-08-120.2.1.0tmore
C-structs22.00C-Structs implementation for Haskell (c, data, foreign, library, mit, structures)2022-09-300.2.0.3SimonPlakolb
CBOR20.01Encode/Decode values to/from CBOR (data, lgpl, library)2014-07-240.1.0.1KyleMurphy
CC-delcont50.03Delimited continuations and dynamically scoped variables (control, library)2016-05-110.2.1.0DanDoel
CC-delcont-alt20.01Three new monad transformers for multi-prompt delimited control (bsd3, control, library)2012-10-230.1.1.1KidoTakahiro
CC-delcont-cxe20.02A monad transformers for multi-prompt delimited control (bsd3, control, library)2011-10-120.1.0.2KidoTakahiro
CC-delcont-exc10.02A monad transformers for multi-prompt delimited control (bsd3, control, library)2011-10-120.1.0.0KidoTakahiro
CC-delcont-ref20.02A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)2011-10-120.1.0.0KidoTakahiro
CC-delcont-ref-tf20.01A monad transformers for multi-prompt delimited control using refercence cells (bsd3, control, library)2011-10-180.1.0.2KidoTakahiro
CCA20.03preprocessor and library for Causal Commutative Arrows (CCA) (bsd3, development, library, program)2015-05-080.1.5.3PaulLiu
CHXHtml10.01A W3C compliant (X)HTML generating library (bsd3, library, web)2011-07-260.2.0PaulTalaga
CLASE70.01Cursor Library for A Structured Editor (bsd3, data, library)2009-02-112009.2.11TristanAllwood
CLI20.01CLI tools (bsd3, data, library)2015-03-100.1.0.0g960059
CMCompare10.01Infernal covariance model comparison (bioinformatics, gpl, library, program)2012-11-220.0.1.5ChristianHoener
CMQ20.01cwmwl udp message queue (bsd3, library, system)2012-07-020.0.12JoergFritsch
COrdering40.03An algebraic data type similar to Prelude Ordering. (bsd3, data, library)2008-07-232.3AdrianHey
CSPM-CoreLanguage70.04Definition of a CSP core-language. (bsd3, concurrency, formal-methods, language, library)2017-10-260.3.1.0MarcFontaine
CSPM-FiringRules10.02Firing rules semantic of CSPM (bsd3, concurrency, formal-methods, language, library)2017-10-260.4.4.0MarcFontaine
CSPM-Frontend20.04A CSP-M parser compatible with FDR-2.91 (bsd3, concurrency, formal-methods, language, library)2017-10-260.12.1.0MarcFontaine
CSPM-Interpreter20.02An interpreter for CSPM (bsd3, concurrency, formal-methods, language, library)2017-10-260.7.1.0MarcFontaine
CSPM-ToProlog10.02some modules specific for the ProB tool (bsd3, formal-methods, library)2017-10-260.5.5.0MarcFontaine
CSPM-cspm10.01cspm command line tool for analyzing CSPM specifications. (bsd3, concurrency, formal-methods, language, library, program)2017-10-260.8.1.0MarcFontaine
CTRex40.02Open records using closed type families. (bsd3, data, data-structures, library)2014-11-130.6AtzeVanDerPloeg
CV50.04OpenCV based machine vision library (ai, graphics, library, machine-vision)2013-01-170.3.7VilleTirronen
Cabal2952.75261A framework for packaging Haskell software (bsd3, distribution, library)2025-01-023.14.1.1AndresLoeh, BenGamari, DuncanCoutts, HerbertValerioRiedel, MikhailGlushenkov, MikolajKonarski, fffaaa, phadej, Bodigrim, topos, ArtemPelenitsyn, hecate
Cabal-hooks32.00API for the Hooks build-type (bsd3, distribution, library)2025-01-023.14hecate
Cabal-ide-backend (deprecated in favor of Cabal)20.03A framework for packaging Haskell software (bsd3, deprecated, distribution, library)2015-03-301.23.0.0MichaelSnoyman
Cabal-syntax2220.024A library for working with .cabal files (bsd3, distribution, library)2024-12-163.14.1.0AndresLoeh, BenGamari, DuncanCoutts, HerbertValerioRiedel, MikhailGlushenkov, MikolajKonarski, fffaaa, phadej, Bodigrim, topos, ArtemPelenitsyn, hecate, PatrickDougherty
Capabilities20.01Separate and contain effects of IO monad. (bsd3, generics, library, security)2013-08-080.1.0.0BaldurBlondal
Cardinality50.01Measure container capacity. Use it to safely change container. (data, library)2010-01-200.2AndreySisoyev
CarneadesDSL80.02An implementation and DSL for the Carneades argumentation model. (ai, argumentation, bsd3, embedded, library)2014-05-011.3BasVanGijzel
CarneadesIntoDung30.01A translation from the Carneades argumentation model into Dung's AFs. (ai, argumentation, bsd3, embedded, library, program)2014-05-031.0BasVanGijzel
Cartesian20.01Coordinate systems (library, math, mit)2016-10-100.6.0.0SwiftsNamesake
Cascade20.01Playing with reified categorical composition (control, library, public-domain)2014-11-140.1.0.0NoahEasterly
Cassava (deprecated in favor of cassava)41.751A CSV parsing and encoding library (bsd3, csv, deprecated, library, text, web)2017-09-300.5.1.0fozworth
Catana30.01A monad for complex manipulation of a stream. (bsd3, control, library)2012-02-220.3DustinDeWeese
ChannelT80.01Generalized stream processors (bsd3, control, enumerator, iteratee, library, pipes, proxies)2018-01-280.0.0.7pthariensflame
Chart432.2536A library for generating 2D Charts and Plots (bsd3, graphics, library)2023-10-221.9.5TimDocker, bravit
Chart-cairo280.019Cairo backend for Charts. (bsd3, graphics, library)2023-10-231.9.4.1TimDocker, bravit
Chart-diagrams1080.010Diagrams backend for Charts. (bsd3, graphics, library)2023-10-231.9.5.1TimDocker, bravit
Chart-fltkhs10.00A backend for the Chart library for FLTKHS (bsd3, graphics, library)2020-03-020.1.0.6empowerg
Chart-gtk170.05Utility functions for using the chart library with GTK (bsd3, graphics, library)2020-01-191.9.3TimDocker, bravit
Chart-gtk350.00Utility functions for using the chart library with GTK (bsd3, graphics, library)2020-01-191.9.3bravit
Chart-simple (deprecated)50.01A wrapper for the chart library to assist with basic plots (Deprecated - use the Easy module instead) (bsd3, deprecated, graphics, library)2015-01-171.3.3TimDocker
ChasingBottoms710.02For testing partial and infinite values. (library, mit, testing)2024-08-201.3.1.15DonaldStewart, NilsAndersDanielsson
Checked10.01Inbuilt checking for ultra reliable computing (bsd3, data, library)2012-11-050.0.0.2RobertOnslow
ChibiHash30.00a simple and fast 64-bit hash function (algorithms, data, library, mit, program)2024-12-020.2.0.0thevilledev
ChristmasTree92.01Alternative approach of 'read' that composes grammars instead of parsers. (library, parsing-)2013-01-230.2.1.1DoaitseSwierstra, MarcosViera
CirruParser (deprecated in favor of cirru-parser)20.01Cirru Parser in Haskell (deprecated, library, mit, text)2015-05-100.0.1jiyinyiyong
Clash-Royale-Hack-Cheats (deprecated)00.01spam (bsd3, deprecated, library, web)2018-02-221.0.1
ClassLaws20.01Stating and checking laws for type class methods (bsd3, library, testing)2012-09-140.3.1.0PatrikJansson
ClasshSS10.00Typified Tailwind for Rapid Development (library, mit, web)2024-03-300.1.0.0lazyLambda
ClassyPrelude20.01Prelude replacement using classes instead of concrete types where reasonable (bsd3, control, data, library)2010-05-310.1SveinOveAas
Clean (deprecated in favor of definitive-base)30.01A light, clean and powerful utility library (bsd3, control, deprecated, library)2013-06-100.6MarcCoiffier
ClickHaskell52.00ClickHouse driver (bsd3, clickhouse, library)2025-03-230.2.0onarainydayillwinanyway
Clipboard80.02System clipboard interface. (bsd3, library, system)2025-02-162.3.2.2DanielDiaz
ClustalParser190.03Libary for parsing Clustal tools output (bioinformatics, gpl, library, program)2019-11-141.3.0FlorianEggenhofer
Coadjute (deprecated)40.01A generic build tool (bsd3, deprecated, development, library)2011-03-170.1.1MattiNiemenmaa
Codec-Compression-LZF90.02LZF compression bindings. (bsd3, codec, library)2007-07-060.2DonaldStewart
Codec-Image-DevIL80.04An FFI interface to the DevIL library (bsd3, codecs, library)2017-06-220.2.4LukePalmer
Color102.02Color spaces and conversions between them (bsd3, graphics, library)2025-01-130.4.0lehins
Command (deprecated in favor of system-command)30.01A replacement for System.Exit and System.Process (bsd3, deprecated, library, system)2012-07-280.0.7TonyMorris
Commando20.01Watch some files; Rerun a command (development, library, mit, program)2014-03-061.0.0.4LyndonMaydwell
ComonadSheet20.01A library for expressing spreadsheet-like computations as the fixed-points of comonads. (bsd3, control, library)2014-06-280.3.0.0kwf
Compactable (deprecated in favor of compactable)50.01A generalization for containers that can be stripped of Nothing (bsd3, control, deprecated, library)2017-03-060.1.0.2fresheyeball
ConClusion72.00Cluster algorithms, PCA, and chemical conformere analysis (agpl, chemistry, library, program, statistics)2023-09-070.2.2phillipseeber
Concurrent-Cache12.01A Cached variable for IO functions. (bsd3, concurrency, library)2016-07-230.2.2.3Ofenhed
ConcurrentUtils90.02Concurrent utilities (concurrency, gpl, library)2020-05-040.5.0.0JamesCandy
Concurrential70.01Mix concurrent and sequential computation (bsd3, control, library)2015-09-040.5.0.1alexvieth
Condor10.01Information retrieval library (bsd3, library, program, search, text)2014-01-200.3klangner
ConfigFile300.018Configuration file reading & writing (bsd3, library, parsing)2014-10-301.1.4JohnGoerzen
ConfigFileTH30.01Template haskell for reading ConfigFiles. (library, parsing, template-haskell)2011-12-050.2VilleTirronen
Configger20.01Parse config files (configuration, library, mit)2011-12-260.1NateSoares
Configurable20.01Declare types as Configurable then specialize them all in one place (control, library, mit)2012-10-190.1.0.0JosephAbrahamson
ConsStream50.01Trivial re-export of Wouter Swierstra's Stream package, avoiding module name clash. (bsd3, data, library)2012-04-160.1ConalElliott
ConstraintKinds90.06Repackages standard type classes with the ConstraintKinds extension (bsd3, control, library)2014-05-201.3.0MikeIzbicki
Consumer10.02A monad and monad transformer for consuming streams (bsd3, library, monads)2009-10-271.2JeremyShaw
ContArrow30.01Control.Arrow.Transformer.Cont (bsd3, control, library)2009-09-210.0.5EvgenyJukov
Contract10.01Practical typed lazy contracts. (bsd3, development, library)2012-07-190.1OlafChitil
Control-Engine (deprecated)110.01A parallel producer/consumer engine (thread pool) (bsd3, control, deprecated, library)2009-08-181.1.0.1ThomasDuBuisson
Control-Monad-MultiPass30.01A Library for Writing Multi-Pass Algorithms. (bsd3, control, library)2013-06-140.1.0.0KevinBackhouse
Control-Monad-ST230.02A variation on the ST monad with two type parameters. (bsd3, control, library)2013-06-110.1.0.1KevinBackhouse
CoreDump20.01A GHC plugin for printing GHC's internal Core data structures. (bsd3, ghc, library)2015-10-250.1.2.0OmerAgacan
CoreErlang50.01Manipulating Core Erlang source code (bsd3, language, library)2018-03-200.0.4AlexKropivny, HenriqueFerreiro
CoreFoundation20.01Bindings to Mac OSX's CoreFoundation framework (bsd3, library, system)2012-03-010.1ReinerPope
Coroutine10.01Type-safe coroutines using lightweight session types. (bsd3, control, library)2008-12-180.1.0.0RyanIngram
CouchDB40.01CouchDB interface (bsd3, database, library)2020-07-031.2.3GaneshSittampalam, SimonMichael
Craft3e50.01Code for Haskell: the Craft of Functional Programming, 3rd ed. (education, library, mit, program)2019-01-080.1.1.1SimonThompson
Crypto150.033Common Cryptographic Algorithms in Pure Haskell (codec, cryptography, library)2023-02-124.2.5.2CreightonHogg, DominicSteinitz, HerbertValerioRiedel, IsaacJones, LennartAugustsson
CurryDB20.01CurryDB: In-memory Key/Value Database (bsd3, database, library, program)2013-01-300.1.1.0HideyukiTanaka
DAV190.01RFC 4918 WebDAV support (gpl, library, program, web)2020-01-061.3.4ClintAdams
DBFunctor60.00DBFunctor - Functional Data Management => ETL/ELT Data Processing in Haskell (bsd3, data-processing, etl, library, program)2021-05-230.1.2.1nkarag
DBus10.01D-Bus bindings (bsd3, desktop, library, network)2014-08-120.5.1AlexanderKojevnikov, DavidHimmelstrup, GwernBranwen
DCFL50.01Communication Free Learning-based constraint solver (data-, library, mit)2015-07-080.1.6.0dpandya
DOH32.01Complete API bindings for DigitalOcean API V2 (library, mit, network)2018-06-200.1.4.0yigitozkavci
DOM30.02DOM Level 2 bindings for the WebBits package. (bsd3, library, web)2009-04-262.0.1DmitryGolubovsky
DP30.01Pragmatic framework for dynamic programming (algorithms, bsd3, library, math, natural-language-processing)2010-03-080.1.1SashaRush
DPM10.01Darcs Patch Manager (development, library, program)2011-12-060.3.0.0StefanWehr
DPutils120.011utilities for DP (bsd3, data, library)2021-06-040.1.1.0ChristianHoener
DRBG200.010Deterministic random bit generator (aka RNG, PRNG) based HMACs, Hashes, and Ciphers. (bsd3, cryptography, library)2015-11-120.5.5ThomasDuBuisson
DSA30.01Implementation of DSA, based on the description of FIPS 186-4 (bsd3, codec, cryptography, library)2017-02-261.0.2AdamWick
DSH50.02Database Supported Haskell (bsd3, database, library, program)2015-06-030.12.0.1GeorgeGiorgidze, JeroenWeijers, AlexUlrich, AlexUlrich2
DSTM20.01A framework for using STM within distributed systems (distributed-computing, library, program)2010-08-050.1.2FrankKupke
DTC20.01Data To Class transformation. (bsd3, language, library)2013-04-211.1.0.1DanielDiaz
Dangerous10.02Monads for operations that can exit early and produce warnings (error-handling, library, mit)2012-01-300.3.2NateSoares
Dao20.01Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind. (gpl, library, program, unclassified)2014-11-210.1.0.2RaminHonary
DarcsHelpers20.01Code used by Patch-Shack that seemed sensible to open for reusability (library, web)2008-11-260.1ThomasHartman
Data-Angle20.01Geometric angles (bsd3, data, library, math)2017-03-260.9deadmanswitch
Data-Hash-Consistent80.01Provide a simple consistent hashing mechanism (bsd3, data, library)2012-11-200.1.1BradClawsie
Data-Rope (deprecated in favor of data-rope)50.01Ropes, an alternative to (Byte)Strings. (data, deprecated, library)2010-05-290.2PierreEtienneMeunier
DataIndex20.00A package for adding index column to data files (data, library, mit, program)2016-10-090.1.1steven_yhw
DataTreeView40.01A GTK widget for displaying arbitrary Data.Data.Data instances (bsd3, debug, development, gui, library)2012-06-180.1.1DanielSchuessler
DataVersion30.00Type safe data migrations (data, library, mit)2022-11-300.1.0.1agentultra
Deadpan-DDP70.01Write clients for Meteor's DDP Protocol (library, mit, program, unclassified)2015-10-150.9.6.0LyndonMaydwell
DebugTraceHelpers80.012Convenience functions and instances for Debug.Trace (debug, library)2008-11-110.12ThomasHartman
Decimal260.031Decimal numbers with variable precision (bsd3, library, math)2021-03-140.5.2PaulJohnson
DecisionTree20.01A very simple implementation of decision trees for discrete attributes. (algorithms, library, pattern-classification)2009-01-250.0AdrianNeumann
DeepArrow130.03Arrows for "deep application" (bsd3, combinators, control, library)2013-08-130.4.0ConalElliott
DeepDarkFantasy250.01A DSL for creating neural network. (dsl, library)2017-08-190.2017.8.19MarisaVeryMoe
DescriptiveKeys50.01A library for specifying xmonad key bindings with functionality. (bsd3, library, system)2012-11-180.0.4TonyMorris
Dflow20.01Processing Real-time event streams (bsd3, library, reactivity)2012-04-290.0.1PaulJohnson
Diff1362.060Diff algorithm in pure Haskell (algorithms, bsd3, library)2024-11-151.0.2DavidFox, SterlingClover
DifferenceLogic40.02A theory solver for conjunctions of literals in difference logic (bsd3, library, math)2014-11-050.1.0.4dillonhuff
DifferentialEvolution40.01Global optimization using Differential Evolution (algorithms-, library, mit, numerical, optimization)2011-03-110.0.2VilleTirronen
Digit (deprecated in favor of digit)50.01A data-type representing digits 0-9 (bsd3, data, deprecated, library)2011-09-060.0.3TonyMorris
DigitGroup10.00Group the digits of numbers by lots (bsd3, library, math)2022-01-190.1.0.0AlanHawkins
DigitalOcean30.01A client library for the DigitalOcean API (agpl, library, network)2014-12-270.1.1.0lclarkmichalek
DimensionalHash70.01An n-dimensional hash using Morton numbers. (algorithms, bsd3, data, library)2011-05-100.1.5.2GhassenHamrouni
DirectSound20.02Partial binding to the Microsoft DirectSound API. (bsd3, library, sound)2013-11-040.0.0BalazsKomuves
DisTract20.01Distributed Bug Tracking System (bsd3, library, program, system)2008-02-170.2.5GwernBranwen
DiscussionSupportSystem50.01Discussion support system (gpl, library, system)2014-06-010.11.0.3minamiyama1994
Dish10.01Hash modules (currently Murmur3) (bsd3, data, library, program)2017-11-290.0.0.6zcourts
Dist30.01A Haskell library for probability distributions (library, math, mit)2019-06-160.5.0wyager
DistanceTransform40.01Distance transform function. (bsd3, library, math)2013-02-160.1.2AnthonyCowley
DistanceUnits50.01A comprehensive distance library (bsd3, data, library)2013-08-260.1.0.1MattGambogi
DnaProteinAlignment20.01Frameshift-aware alignment of protein sequences with DNA sequences (bioinformatics, gpl, library, program)2013-12-180.0.0.1ChristianHoener
Docs (deprecated)40.01Documentation types library. (bsd3, deprecated, documentation, library)2010-07-241.0.0DanielDiaz
DrHylo10.01A tool for deriving hylomorphisms (bsd3, language, library, program)2008-12-090.0.2HugoPacheco
DrIFT20.01Program to derive type class instances (bsd3, data-structures, library, program)2013-11-112.4.2KiwamuOkabe
Dung20.02An implementation of the Dung argumentation frameworks. (ai, argumentation, bsd3, embedded, library, program)2015-03-301.1BasVanGijzel
Dust20.02Polymorphic protocol engine (library, network)2013-12-172.3.1BrandonWiley
Dust-crypto20.03Cryptographic operations (cryptography, library)2013-12-170.1BrandonWiley
Dust-tools50.01Network filtering exploration tools (library, network, program)2013-12-171.3.2BrandonWiley
DynamicTimeWarp20.01Dynamic time warping of sequences. (data, lgpl, library, program)2015-02-050.1.0.0zombiecalypse
DysFRP20.03dysFunctional Reactive Programming (bsd3, frp, library)2012-02-290.1MarekMaterzok
DysFRP-Cairo30.02dysFunctional Reactive Programming on Cairo (bsd3, frp, library)2012-02-290.1MarekMaterzok
DysFRP-Craftwerk10.01dysFunctional Reactive Programming on Craftwerk (bsd3, frp, library)2012-02-290.1MarekMaterzok
EEConfig20.01ExtremlyEasyConfig - Extremly Simple parser for config files (bsd3, library, parsing)2008-11-171.0BartoszWojcik
ENIG70.00Auto Korean conjugator/adjustor/adopter/converter (bsd3, library, natural-language-processing)2019-05-140.0.1.0yongjoon
EVP30.00Environment Variable Parser (bsd3, library, system)2023-11-300.1FumiakiKinoshita
Earley192.011Parsing all context-free grammars using Earley's algorithm. (bsd3, library, parsing)2019-02-240.13.0.1OlleFredriksson, phadej
EdisonAPI180.05A library of efficient, purely-functional data structures (API) (data-structures, library, mit)2025-02-041.3.3.2RobertDockins, lyxia
EdisonCore302.254A library of efficient, purely-functional data structures (Core Implementations) (data-structures, library, mit)2025-02-041.3.3.2RobertDockins, lyxia
Eight-Ball-Pool-Hack-Cheats (deprecated)00.01spam (bsd3, deprecated, library, web)2018-02-221.0.1
EitherT (deprecated in favor of either)20.04EitherT monad transformer (bsd3, control, deprecated, library)2012-04-220.2.0EyalLotem
Elm (deprecated in favor of elm-compiler)100.06The Elm language module. (bsd3, compiler, deprecated, language, library, program)2014-09-220.13EvanCzaplicki
Empty20.01A type class for empty containers (bsd3, control, library)2017-03-020.1.0.1fresheyeball
Encode30.02Encoding character data (codec, library, program, text)2016-05-261.3.8OtakarSmrz
EntrezHTTP (deprecated in favor of BiobaseHTTP)70.01Libary to interface with the NCBI Entrez REST service. (bioinformatics, deprecated, gpl, library)2017-08-101.0.4FlorianEggenhofer
Enum (deprecated)50.01Non-crashing `Enum` operations (bsd3, deprecated, library, unclassified)2019-12-110.2.0.0
EnumContainers20.01Simple Enum-class-based int containers (bsd3, data, library)2010-11-220.1EyalLotem
EnumMap10.01More general IntMap replacement. (bsd3, data-structures, library)2009-09-150.0.2JohnVanEnk
EqualitySolver40.01A theory solver for conjunctions of literals in the theory of uninterpreted functions with equality (bsd3, library, math)2014-11-020.1.0.2dillonhuff
EsounD20.01Type-safe bindings to EsounD (ESD; Enlightened Sound Daemon) (library, public-domain, sound)2011-05-110.2MasatakeDaimon
EstProgress20.01Methods for estimating the progress of functions (bsd3, data, library)2015-08-100.3.0.0JamesCandy
Etage40.02A general data-flow framework (ai, control, lgpl, library)2014-05-100.1.12MitarMilutinovic
Etage-Graph20.01Data-flow based graph algorithms (data-structures, lgpl, library, program)2014-05-100.1.8MitarMilutinovic
Etherbunny20.01A network analysis toolkit for Haskell (library, network, program)2008-01-180.3NicholasBurlett
EuroIT30.01Library for using euro currency, italian language (bsd3, data, library)2010-07-052010.2.5PaoloVeronelli
Euterpea202.57Library for computer music research and education (bsd3, library, music, sound)2019-06-142.0.7dwincort, DonyaQuick
EventSocket20.01Interfaces with FreeSwitch Event Socket. (bsd3, library, network)2009-11-160.1DavidAustin
Extra (deprecated in favor of sr-extra, extra)20.04A grab bag of modules. (bsd3, deprecated, library, unclassified)2014-11-041.46.3DavidFox, JeremyShaw
FAI50.01Haskell Foreign Accelerate Interface (accelerate, lgpl, library)2018-07-300.1.0.20qinka
FComp10.01Compose music (gpl, library, music, program)2014-09-251.0.2JosePedroMagalhaes
FModExRaw (deprecated)20.01The Haskell FModEx raw API. (deprecated, gpl, library, sound)2013-12-290.2.0.0DimitriSabadie
FPretty40.03Efficient simple pretty printing combinators (bsd3, library, text.prettyprint)2015-11-161.1OlafChitil
FSM40.00Basic concepts of finite state machines. (bsd3, fsm, library)2020-06-071.0.0KidKoala
FTGL70.05Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, graphics, library)2014-11-132.1JeffersonHeard, laquendi, hamzam3
FTGL-bytestring20.01Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, graphics, library)2014-03-152.0seagull
FULE10.00Functional UI Layout Engine (bsd3, gui, library)2024-05-100.3.1.1pschnapp
Facebook-Password-Hacker-Online-Latest-Version (deprecated)00.01spam (bsd3, deprecated, library, web)2018-02-221.0.1
Facts20.01A collection of facts about the real world. (bsd3, factual, library)2010-10-180.1.2AlexanderSolla
FailT292.01A 'FailT' monad transformer that plays well with 'MonadFail' (bsd3, control, failure, library)2023-02-240.1.2.0lehins
FailureT (deprecated in favor of transformers)30.01Failure Monad Transformer (control, deprecated, failure, library, public-domain)2013-03-1415778.1
FastPush30.01A monad and monad transformer for pushing things onto a stack very fast. (bsd3, control, library)2017-02-260.1.0.3wyager
FastxPipe (deprecated in favor of pipes-fastx)20.01Fasta and Fastq streaming (bsd3, deprecated, library, unclassified)2015-04-230.2.0.0rcallahan
FenwickTree80.01Data structure for fast query and update of cumulative sums (bsd3, data-structures, library)2015-03-190.1.2.1MichalGajda
FerryCore60.02Ferry Core Components (bsd3, database, library)2011-08-170.4.6.4JeroenWeijers
FieldTrip20.02Functional 3D (bsd3, graphics, library)2009-06-050.2.7ConalElliott
FileManip (deprecated in favor of filemanip)40.04Expressive file and directory manipulation for Haskell. (bsd3, deprecated, library, system)2010-10-100.3.3.1BryanOSullivan
FileManipCompat40.02Expressive file and directory manipulation for Haskell. (bsd3, library, system)2011-04-280.18ThomasHartman
FilePather (deprecated in favor of filepather)140.01Functions on System.FilePath (bsd3, deprecated, library, system)2012-04-100.2.0TonyMorris
FileSystem20.01File system data structure and monad transformer. (bsd3, library, system)2011-01-281.0.0DanielDiaz
Files30.00File content extraction/rearrangement (io, library, mit, program)2016-10-190.1.1.1steven_yhw
Fin (deprecated)30.03Finite totally-ordered sets (bsd3, data, deprecated, library)2020-02-010.2.9.0
Finance-Quote-Yahoo230.01Obtain quote data from finance.yahoo.com (bsd3, library, web)2014-04-190.8.0BradClawsie
Finance-Treasury60.01Obtain Treasury yield curve data (bsd3, library, web)2008-06-180.1.2DonaldStewart, StephenLihn
FindBin90.07Locate directory of original program (bsd3, library, system)2011-03-270.0.5AudreyTang
FiniteCategories110.01Finite categories and usual categorical constructions on them. (data, gpl, library, maths)2024-05-310.6.5.1gsabbagh
FiniteCategoriesGraphViz40.00Transform objects of the package FiniteCategories into graphs using GraphViz. (data, gpl, library, maths)2023-10-100.2.0.0gsabbagh
FiniteMap (deprecated in favor of containers)20.02A finite map implementation, derived from the paper: Efficient sets: a balancing act, S. Adams, Journal of functional programming 3(4) Oct 1993, pp553-562 (bsd4, data, deprecated, library)2007-03-060.1PepeIborra
FirstOrderTheory30.03Grammar and typeclass for first order theories (bsd3, library, math)2014-11-050.1.0.6dillonhuff
FirstPrelude50.00A version of Prelude suitable for teaching. (bsd3, library, unclassified)2023-01-190.1.2.0DominicOrchard
FixedPoint-simple140.01Fixed point, large word, and large int numerical representations (types and common class instances) (bsd3, data, library)2014-06-240.6.1ThomasDuBuisson
Flint230.01Haskell bindings for the flint library for number theory (gpl, library, math)2023-11-170.1.0.5monien
FloatingHex170.01Read and write hexadecimal floating point numbers (bsd3, library, tools)2020-09-050.5LeventErkok
Focus30.01Tools for focusing in on locations within numbers (data, library, mit)2011-12-240.1.2NateSoares
Folly60.01A first order logic library in Haskell (bsd3, library, program, theorem-provers)2015-10-030.2.0.1dillonhuff
FontyFruity212.510A true type file format loader (bsd3, font, graphics, library, text)2019-10-020.5.3.5VincentBerthoux
ForSyDe (deprecated in favor of forsyde-shallow, forsyde-deep)50.01ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, deprecated, hardware, language, library)2010-06-253.1.1AlfonsoAcosta, HoseinAttarzadeh, ugeorge, ingo
ForestStructures160.05Tree- and forest structures (bioinformatics, bsd3, formal-languages, library)2023-06-140.0.1.1ChristianHoener
Forestry20.01Comparison of trees and forests. (bioinformatics, bsd3, formal-languages, library)2017-11-230.0.0.1ChristianHoener
ForkableT20.02Forkable monad transformers (bsd3, control, library)2015-01-180.1.0.2AndrasSlemmer
FormalGrammars130.09(Context-free) grammars in formal language theory (bioinformatics, formal-languages, gpl, library)2019-10-020.4.0.0ChristianHoener
Fortnite-Hack-Cheats-Free-V-Bucks-Generator (deprecated)00.01spam (bsd3, deprecated, library, web)2018-02-221.0.1
FpMLv5330.01A binding for the Financial Products Markup Language (v5.3) (financial, library, xml)2012-06-190.1MalcolmWallace
Frames242.012Data frames for working with tabular data files (bsd3, data, library)2023-10-220.7.4.2AnthonyCowley
Frames-beam20.01A library for accessing Postgres tables as in-memory data structures. (bsd3, data, data-science, database, library)2018-09-020.2.0.0GagandeepBhatia
Frames-dsv20.01Alternative CSV parser for the Frames package (bsd3, data, library)2020-01-130.1.2AnthonyCowley
Frames-map-reduce90.00Frames wrapper for map-reduce-folds and some extra folds helpers. (bsd3, data, library)2023-05-020.4.1.2adamCS
Frames-streamly40.00A streamly layer for Frames I/O (bsd3, data, library, program)2023-05-020.3.1.0adamCS
FreeTypeGL (deprecated in favor of FTGL)50.01Loadable texture fonts for OpenGL. (bsd3, deprecated, graphics, library)2013-01-280.0.4EyalLotem
FunGEn60.01A lightweight, cross-platform, OpenGL-based game engine. (bsd3, game, library, program)2023-09-011.2MiloslavRaus, SimonMichael
GA50.01Genetic algorithm library (ai, algorithms, bsd3, library, optimisation)2011-09-271.0KennethHoste
GHood50.02A graphical viewer for Hood (bsd3, debug, library)2018-05-140.0.7HugoPacheco, JanisVoigtlaender
GLFW20.06A Haskell binding for GLFW (bsd3, graphics, library)2016-04-010.5.2.5PaulLiu
GLFW-OGL10.01A binding for GLFW (OGL) (bsd3, graphics, library)2008-11-170.0NealAlexander
GLFW-b232.528Bindings to GLFW OpenGL library (bsd3, graphics, library)2024-09-223.3.9.1BrianLewis, SchellScivally, Mokosha, javjarfer
GLFW-task10.01GLFW utility functions to use together with monad-task. (bsd3, graphics, library)2018-01-040.3.0PaulLiu
GLHUI20.01Open OpenGL context windows in X11 with libX11 (bsd3, graphics, library)2012-02-241.1.0HugoGomes
GLM50.00Simple Gridlab-D GLM parser and utilities. (language, library, mit, program)2015-10-090.7.0.0LyndonMaydwell
GLMatrix20.01Utilities for working with OpenGL matrices (gpl, graphics, library)2014-03-150.1.0.1fiendfan1
GLURaw380.04A raw binding for the OpenGL graphics system (bsd3, graphics, library)2021-11-142.0.0.5JasonDagit, SvenPanne
GLUT330.044A binding for the OpenGL Utility Toolkit (bsd3, graphics, library)2021-01-182.7.0.16ChrisDornan, IanLynagh, JasonDagit, SvenPanne
GLUtil100.08Miscellaneous OpenGL utilities. (bsd3, graphics, library)2020-06-170.10.4AnthonyCowley
GOST34112012-Hash70.00Bindings to the GOST R 34.11-2012 hashing implementation (bsd2, codec, cryptography, library)2024-04-030.1.1.2verrens
GPX30.03Parse GPX files (bsd3, library, utils)2013-12-200.8.0ThomasDuBuisson, TonyMorris
GPipe82.04Typesafe functional GPU graphics programming (graphics, library, mit)2020-04-102.2.5TobiasBexelius
GPipe-Collada20.01Load GPipe meshes from Collada files (bsd3, graphics, library)2012-08-060.1.4TobiasBexelius
GPipe-Core10.01Typesafe functional GPU graphics programming (graphics, library, mit)2021-04-130.2.3.1srk, pippijn
GPipe-GLFW60.01GLFW OpenGL context creation for GPipe (graphics, library, mit)2020-11-011.4.1.4plredmond
GPipe-GLFW420.00GLFW OpenGL context creation for GPipe (graphics, library, mit, program)2021-04-112.0.0srk, pippijn
GPipe-TextureLoad60.01Load GPipe textures from filesystem (bsd3, graphics, library)2012-06-271.0.4TobiasBexelius
GTALib40.01A library for GTA programming (bsd3, language, library)2012-06-080.0.6KentoEmoto
Gamgine40.01Some kind of game library or set of utilities. (bsd3, library)2024-06-020.7.0DanielTrstenjak
GaussQuadIntegration30.01Non-adaptive Gaussian quadrature for numeric integraton (bsd3, library, math)2011-09-150.1GrigorySarnitsky
GenI30.04A natural language generator (specifically, an FB-LTAG surface realiser) (library, natural-language-processing, program)2017-10-030.25.0.1EricKow
GenSmsPdu10.01Automatic SMS message generator (bsd3, library, program, testing)2024-02-150.2.0.0KwanghoonChoi, lazyswamp
Genbank20.01Libary for processing the NCBI genbank format (bioinformatics, library, program)2014-10-261.0.3FlorianEggenhofer
Gene-CluEDO20.00Hox gene clustering (bioinformatics, gpl, library, program)2017-09-110.0.0.2ChristianHoener
GenericPretty370.019A generic, derivable, haskell pretty printer. (bsd3, generics, library, pretty-printer, text)2018-03-101.2.2RazvanRanca
GenussFold10.00MCFGs for Genus-1 RNA Pseudoknots (bioinformatics, formal-languages, gpl, library, program)2015-07-160.0.0.2ChristianHoener
GeoIp40.01Pure bindings for the MaxMind IP database. (library, network)2008-12-080.3StephenCook
GeocoderOpenCage42.01Geocoder and Reverse Geocoding Service Wrapper (library, web)2015-10-250.1.0.1juergenhah, jhahn
Geodetic (deprecated in favor of geodetic)40.02Geodetic calculations (bsd3, deprecated, library, utils)2011-11-210.4TonyMorris
GeomPredicates60.02Geometric predicates (bsd3, library, math)2010-06-270.1NealAlexander
GeomPredicates-SSE20.01Geometric predicates (Intel SSE) (bsd3, library, math)2010-06-270.2NealAlexander
Get30.01get stuff out of stuff (bsd3, control, library)2018-01-100.2018.1.10MarisaVeryMoe
GiST10.01A Haskell implementation of a Generalized Search Tree (GiST) (data-structures, library)2013-06-270.0.1MihailBogojeski
Gifcurry62.01GIF creation utility. (application, bsd3, graphics, library, program)2018-03-213.0.0.1lettier
GiveYouAHead60.00to auto-do somethings (giveyouahead, library, mit)2015-06-250.2.2.3Qinka
Gleam10.00HTML Canvas graphics, animations and simulations. (bsd3, graphics, library)2020-05-060.1.1.0EbinBenny
Glob552.067Globbing library (bsd3, library, system)2021-11-100.10.2MattiNiemenmaa, kakkun61
GlomeTrace40.02Ray Tracing Library (graphics, library)2014-04-070.3JimSnow
GlomeVec40.04Simple 3D vector library (graphics, library)2014-01-270.2JimSnow
GoogleChart50.01Generate web-based charts using the Google Chart API (bsd3, graphics, library)2008-02-090.2EvanMartin
GoogleCodeJam50.01A monad for flexible parsing of Google Code Jam input files with automatic parallelization. (library, mit, text)2017-01-220.0.3johannesgerer
GoogleDirections30.01Haskell Interface to Google Directions API (bsd3, library, network)2010-12-240.3.0.1KevinOberlies
GoogleSB30.01Interface to Google Safe Browsing API (bsd3, library, security)2009-06-190.1AlexOtt
GoogleSuggest80.02Interface to Google Suggest API (browser, gpl, library)2010-10-010.0.4AndyStewart
GoogleTranslate70.02Interface to Google Translate API (gpl, language, library)2010-10-010.0.5AndyStewart
GotoT-transformers50.02A monad and monadic transformer providing "goto" functionality (bsd3, control, library)2012-07-221.0.0.1GregoryCrosswhite
Grafos10.01Grafos Haskell (bsd3, library, unclassified)2016-10-240.1.0.0jppianta83
GrammarProducts110.04Grammar products and higher-dimensional grammars (bioinformatics, formal-languages, gpl, library)2019-10-020.2.0.0ChristianHoener
Graph50020.02Graph500 benchmark-related definitions and data set generator. (concurrency, gpl, library, program)2013-11-050.4.0
GraphHammer20.01GraphHammer Haskell graph analyses framework inspired by STINGER. (concurrency, gpl, library)2013-11-050.3
GraphHammer-examples20.01Test harness for TriangleCount analysis. (concurrency, gpl, library, program)2013-11-050.3
GraphSCC100.03Tarjan's algorithm for computing the strongly connected components of a graph. (algorithms, bsd3, library)2013-07-221.0.4IavorDiatchki
Graphalyze60.03Graph-Theoretic Analysis library. (algorithms, graphs, library)2017-05-030.15.0.0IvanMiljenovic
Grempa30.01Embedded grammar DSL and LALR parser generator (bsd3, library, parsing)2013-02-070.2.2DavidFox, OlleFredriksson
GroteTrap10.01Parser and selection library for expression languages. (bsd3, language, library)2016-10-080.5.2MartijnVanSteenbergen
Grow30.01A declarative make-like interpreter. (build, library)2014-07-131.1.0.3MarcCoiffier
GrowlNotify50.01Notification utility for Growl. (bsd3, library, network, program)2008-05-180.4NicholasBurlett
Gtk2hsGenerics20.01Convenience functions to extend Gtk2hs. (gui, library)2009-07-050.1MichaelDever
GtkGLTV20.01OpenGL support for Gtk-based GUIs for Tangible Values (bsd3, library, user-interfaces)2011-12-280.2.0ConalElliott
GtkTV60.02Gtk-based GUIs for Tangible Values (bsd3, library, user-interfaces)2011-12-280.2.0ConalElliott
GuiTV20.01GUIs for Tangible Values (bsd3, interfaces, library, user-interfaces)2008-02-190.4ConalElliott
HABQT10.00Hierarchical adaptive Bayesian quantum tomography for quantum bits (bsd3, library, math, program, quantum)2018-07-010.1.0.0LeonidBelinsky
HARM (deprecated)20.01A simple ARM emulator in haskell (compilers-interpreters, deprecated, library, program)2008-12-060.1.4AlexMason
HAppS-Data (deprecated in favor of happstack-data)20.05HAppS data manipulation libraries (bsd3, deprecated, distributed-computing, library, web)2008-11-090.9.3DavidHimmelstrup
HAppS-IxSet (deprecated in favor of happstack-ixset)20.03 (bsd3, deprecated, distributed-computing, library, web)2008-11-090.9.3DavidHimmelstrup
HAppS-Server (deprecated in favor of happstack-server)20.04Web related tools and services. (bsd3, deprecated, distributed-computing, library, web)2008-11-090.9.3.1DavidHimmelstrup
HAppS-State (deprecated in favor of happstack-state)20.04Event-based distributed state. (bsd3, deprecated, distributed-computing, library, web)2008-11-090.9.3DavidHimmelstrup
HAppS-Util (deprecated in favor of happstack-util)10.05Web framework (bsd3, deprecated, distributed-computing, library, web)2008-11-090.9.3DavidHimmelstrup
HAppSHelpers (deprecated in favor of happstack-helpers)120.01OBSOLETE. Please use happstack-helpers (bsd3, deprecated, library, web)2010-05-090.11ThomasHartman
HCL72.01High-level library for building command line interfaces. (bsd3, library, program, user-interfaces)2024-11-291.9JustinBailey, jlamothe
HCard40.01A library for implementing a Deck of Cards (bsd3, game-, library)2009-04-080.0JoeFredette
HCodecs310.014A library to read, write and manipulate MIDI, WAVE, and SoundFont2 files. (bsd3, codec, library)2020-02-210.5.2GeorgeGiorgidze, DonyaQuick, Mokosha
HDBC132.2564Haskell Database Connectivity (bsd3, database, library)2022-02-162.4.0.4DavidJohnson, ErikHesselink, IsaacJones, JohnGoerzen, NicolasWu, rsoeldner
HDBC-mysql60.03MySQL driver for HDBC (database, library)2016-11-060.7.1.0BryanOSullivan, ChrisWaterson, ryantm
HDBC-odbc80.09ODBC driver for HDBC (bsd3, database, library)2019-04-082.6.0.0IsaacJones, JohnGoerzen, NicolasWu, anton_dessiatov, rsoeldner
HDBC-postgresql91.2511PostgreSQL driver for HDBC (bsd3, database, library)2022-02-172.5.0.1DavidJohnson, ErikHesselink, IsaacJones, JohnGoerzen, rsoeldner
HDBC-postgresql-hstore (deprecated in favor of postgresql-simple)40.01Manipulate data in PostgreSQL "hstore" columns. (database, deprecated, library, mit)2012-07-060.0.1.2AlexanderBondarenko
HDBC-session70.04Bracketed connection for HDBC (bsd3, database, library)2023-12-020.1.2.1KeiHibino
HDBC-sqlite360.019Sqlite v3 driver for HDBC (bsd3, database, library)2015-04-242.3.3.1ErikHesselink, IsaacJones, JohnGoerzen, rsoeldner
HDRUtils10.01Utilities for reading, manipulating, and writing HDR images (bsd3, graphics, library)2009-08-281.0.2JeffersonHeard
HERA30.01 (bsd3, library, math)2008-12-050.2LukePalmer
HExcel12.250Create Excel files with Haskell (Excel, bsd3, data, library, spreadsheet, text)2020-03-140.1.0.1v0d1ch
HFitUI30.01The library for generating a graphical interface on the web (bsd3, library, program, web)2017-06-050.1.1.0QSpider2017
HFrequencyQueue40.01A Queue with a random (weighted) pick function (data, gpl, library)2015-08-280.2.0.0Bellaz
HFuse31.753HFuse is a binding for the Linux FUSE library. (bsd3, library, system)2018-01-150.2.5.0GwernBranwen, MaximTreskin, PaulVanDerWalt, TaruKarttunen, M15K, dhrosa, eyeinsky
HGE2D20.002D game engine written in Haskell (game, library, mit, program)2016-07-300.1.9.2I3ck
HGL110.02A simple graphics library based on X11 or Win32 (bsd3, graphics, library)2019-11-273.2.3.2AlanHawkins, ChristophLueth
HGamer3D40.02Toolset for the Haskell Game Programmer (game-engine, library)2018-02-130.9.5PeterAlthainz
HGamer3D-API (deprecated in favor of HGamer3D)40.01Library to enable 3D game development for Haskell - API (deprecated, game, library)2012-07-220.1.6PeterAlthainz
HGamer3D-Audio (deprecated in favor of HGamer3D)40.03Toolset for the Haskell Game Programmer - Audio Functionality (deprecated, game-engine, library)2015-01-030.5.0PeterAlthainz
HGamer3D-Bullet-Binding (deprecated)60.02Windows Game Engine for the Haskell Programmer - Bullet Bindings (deprecated, game-engine, library, physics)2013-03-180.2.1PeterAlthainz
HGamer3D-CAudio-Binding (deprecated in favor of HGamer3D-SFML-Binding)30.01Library to enable 3D game development for Haskell - cAudio Bindings (deprecated, game, library)2012-04-150.1.5PeterAlthainz
HGamer3D-CEGUI-Binding (deprecated in favor of HGamer3D)90.04A Toolset for the Haskell Game Programmer - CEGUI Bindings (deprecated, game-engine, gui, library)2015-01-030.5.0PeterAlthainz
HGamer3D-Common (deprecated in favor of HGamer3D)30.06Toolset for the Haskell Game Programmer - Game Engine and Utilities (deprecated, game-engine, library)2015-01-030.5.0PeterAlthainz
HGamer3D-Data (deprecated in favor of HGamer3D)80.019Toolset for the Haskell Game Programmer - Data Definitions (deprecated, game-engine, library)2015-01-030.5.0PeterAlthainz
HGamer3D-Enet-Binding (deprecated in favor of HGamer3D)90.03Enet Binding for HGamer3D (deprecated, game-engine, library, network)2015-01-030.5.0PeterAlthainz
HGamer3D-GUI (deprecated in favor of HGamer3D-Graphics3D)20.03GUI Functionality for HGamer3D (deprecated, game-engine, library)2014-08-110.4.0PeterAlthainz
HGamer3D-Graphics3D (deprecated in favor of HGamer3D)80.02Toolset for the Haskell Game Programmer - 3D Graphics Functionality (deprecated, game-engine, library)2015-01-030.5.0PeterAlthainz
HGamer3D-InputSystem (deprecated in favor of HGamer3D)40.03Joystick, Mouse and Keyboard Functionality for HGamer3D (deprecated, game-engine, library)2015-01-030.5.0PeterAlthainz
HGamer3D-Network (deprecated in favor of HGamer3D)40.02Networking Functionality for HGamer3D (deprecated, game-engine, library)2015-01-030.5.0PeterAlthainz
HGamer3D-OIS-Binding (deprecated in favor of HGamer3D-SFML-Binding)90.02Library to enable 3D game development for Haskell - OIS Bindings (deprecated, game, library)2012-04-150.1.5PeterAlthainz
HGamer3D-Ogre-Binding (deprecated in favor of HGamer3D)330.05Ogre Binding for HGamer3D (deprecated, game-engine, graphics, library)2015-01-030.5.0PeterAlthainz
HGamer3D-SDL2-Binding (deprecated in favor of HGamer3D)80.04SDL2 Binding for HGamer3D (deprecated, game-engine, library)2015-01-030.5.0PeterAlthainz
HGamer3D-SFML-Binding (deprecated in favor of HGamer3D)140.05SFML Binding for HGamer3D (audio, deprecated, game-engine, graphics, library)2015-01-030.5.0PeterAlthainz
HGamer3D-WinEvent (deprecated in favor of HGamer3D-Graphics3D)30.04Windowing and Event Functionality for HGamer3D (deprecated, game-engine, library)2014-08-110.4.0PeterAlthainz
HGamer3D-Wire (deprecated in favor of HGamer3D)30.01Wire Functionality for HGamer3D (deprecated, game-engine, library)2014-04-010.3.3PeterAlthainz
HGraphStorage80.01Graph database stored on disk (bsd3, database, library)2015-01-300.0.3JeanPhilippeMoresmau
HHDL10.01Hardware Description Language embedded in Haskell. (bsd3, hardware, library)2011-12-170.1.0.0SergueyZefirov
HJScript140.02HJScript is a Haskell EDSL for writing JavaScript programs. (bsd3, language, library, web)2013-07-180.7.0JeremyShaw, NiklasBroberg
HJVM30.01A library to create a Java Virtual Machine and manipulate Java objects (bsd3, language, library)2012-03-150.1JeanPhilippeMoresmau
HJavaScript120.02HJavaScript is an abstract syntax for a typed subset of JavaScript. (bsd3, language, library)2010-03-050.4.7NiklasBroberg
HLearn-algebra (deprecated in favor of subhask)60.05Algebraic foundation for homomorphic learning (bsd3, data-mining, deprecated, library, machine-learning)2014-05-301.1.0.1MikeIzbicki
HLearn-approximation (deprecated)30.01 (bsd3, data-mining, data-structures, deprecated, library, machine-learning)2013-07-301.1.0MikeIzbicki
HLearn-classification (deprecated)40.01 (bsd3, data-mining, deprecated, library, machine-learning)2014-06-041.0.1.3MikeIzbicki
HLearn-datastructures (deprecated)30.03 (bsd3, data-mining, data-structures, deprecated, library, machine-learning)2013-07-271.1.0MikeIzbicki
HLearn-distributions (deprecated)180.04Distributions for use with the HLearn library (bsd3, data-mining, deprecated, library, machine-learning, statistics)2014-03-271.1.0.2MikeIzbicki
HList142.025Heterogeneous lists (data, library, mit)2025-02-200.5.4.0AdamVogt, GwernBranwen
HLogger (deprecated in favor of hlogger)20.02Simple, concurrent and easy-to-use logging library (bsd3, concurrency, deprecated, library, logging, program)2011-03-020.0.1.0JonKristensen
HMM10.01A hidden markov model library (algorithms, bsd3, data-mining, library, machine-learning)2012-03-250.2.1MikeIzbicki
HMap90.01Fast heterogeneous maps and unconstrained typeable-like functionality. (bsd3, data, data-structures, library)2018-04-171.3.0AtzeVanDerPloeg
HMarkov40.01Markov-generated sequences (bsd3, library, text)2016-12-041.0.1.1swizzard
HMock70.00A flexible mock framework for testing effectful code. (bsd3, library, testing)2023-11-290.5.1.2ChrisSmith
HNM30.01Happy Network Manager (bsd3, library, network, program, system)2009-01-250.1.2CetinSert
HNumeric52.01Haskell Numeric Library with pure functionality, R & MATLAB Syntax. (bsd3, hnum, library, linearalgebra, numeric, statistics)2018-06-200.5.0.2edeftg
HODE10.01Binding to libODE (bsd3, game, library, physics)2008-10-272008.10.27DavidHimmelstrup
HOpenCV50.02A binding for the OpenCV computer vision library (ai, gpl, graphics, library, program)2015-08-080.4.0.1NoamLewis
HPDF460.05Generation of PDF documents (bsd3, graphics, library, program)2024-02-221.7HenningThielemann, SylvainHenry
HPath10.01Extract Haskell declarations by name. (bsd3, library, program, source-tools, text)2010-01-020.0.2JasonDusek
HPhone (deprecated)20.01Phone number parser and validator - This is now DEPRECATED! (deprecated, library, text)2016-06-230.0.1.2vijayanant, raghuugare
HPi12.01GPIO, I2C, SPI, and PWM functions for the Raspberry Pi. (bsd3, library, system)2024-04-130.11.0WJWH
HPlot40.01A minimal monadic PLplot interface for Haskell (bsd3, foreign, graphics, library, program)2009-08-040.3YakovZaytsev
HQu32.00quantitative finance library (finance, library, math, mit)2021-07-090.0.0.5ghais
HROOT60.01Haskell binding to the ROOT data analysis framework (graphics, lgpl, library, math, numerical, statistics)2023-07-290.10.0.3IanWooKim
HROOT-core30.08Haskell binding to ROOT Core modules (graphics, lgpl, library, math, numerical, statistics)2023-07-290.10.0.3IanWooKim
HROOT-graf30.02Haskell binding to ROOT Graf modules (graphics, lgpl, library, math, numerical, statistics)2023-07-290.10.0.3IanWooKim
HROOT-hist40.03Haskell binding to ROOT Hist modules (graphics, lgpl, library, math, numerical, statistics)2023-07-290.10.0.3IanWooKim
HROOT-io20.03Haskell binding to ROOT IO modules (graphics, lgpl, library, math, numerical, statistics)2023-07-290.10.0.3IanWooKim
HROOT-math30.02Haskell binding to ROOT Math modules (graphics, lgpl, library, math, numerical, statistics)2023-07-290.10.0.3IanWooKim
HROOT-net20.01Haskell binding to ROOT Net modules (lgpl, library, math, numerical, raphics, statistics)2023-07-290.10.0.3IanWooKim
HROOT-tree30.01Haskell binding to ROOT Tree modules (graphics, lgpl, library, math, numerical, statistics)2023-07-290.10.0.3IanWooKim
HSFFIG20.02Generate FFI import declarations from C include files (bsd3, ffi-tools, library, program)2010-07-151.1.3DmitryGolubovsky
HSGEP40.01Gene Expression Programming evolutionary algorithm in Haskell (ai, bsd3, library, program)2012-12-240.1.5MatthewSottile
HSH70.012Library to mix shell scripting with Haskell programs (library, system)2017-03-042.1.3JohnGoerzen
HSHHelpers140.01Convenience functions that use HSH, instances for HSH. (library, system)2010-01-190.24ThomasHartman
HSet60.01Faux heterogeneous sets (bsd3, data, library)2023-09-280.0.2athanclark
HSlippyMap142.01OpenStreetMap Slippy Map (bsd3, geography, library)2018-05-113.0.1apeyroux
HSmarty50.01Small template engine (bsd3, library, text)2022-07-310.4.2AlexanderThiemann
HSoM120.01Library for computer music education (bsd3, library, sound)2017-06-011.0.0DonyaQuick
HSoundFile (deprecated in favor of sndfile-enumerators)30.01Audio file reading/writing (bsd3, codecs, deprecated, library, sound)2008-05-040.2.2JohnLato
HStringTemplate582.022StringTemplate implementation in Haskell. (bsd3, library, text)2021-08-120.8.8SterlingClover
HStringTemplateHelpers120.04Convenience functions and instances for HStringTemplate (library, text)2009-11-030.0.14ThomasHartman
HSvm120.01Haskell Bindings for libsvm (bsd3, classification, datamining, library)2024-12-071.0.3.35PaoloLosi, PavelRyzhov
HTF262.07The Haskell Test Framework (lgpl, library, program, testing)2024-05-030.15.0.2DavidLeuschner, GwernBranwen, StefanWehr
HTTP1522.25200A library for client-side HTTP (bsd3, library, network)2022-05-174000.4.1BjornBringert, BryanOSullivan, DonaldStewart, DuncanCoutts, GaneshSittampalam, JohanTibell, SigbjornFinne
HTTP-Simple (deprecated in favor of HTTP)30.04DEPRECATED Enable simple wrappers to Network.HTTP (bsd3, deprecated, library, network)2009-04-120.2BradClawsie
HUnit722.25212A unit testing framework for Haskell (bsd3, library, testing)2021-01-191.6.2.0AdamBergmark, DonaldStewart, DuncanCoutts, RichardGiraud, SimonHengel, ryanglscott
HUnit-Diff (deprecated)10.01Assertions for HUnit with difference reporting (bsd3, deprecated, library, testing)2012-01-220.1DagOdenhall
HUnit-Plus40.01A test framework building on HUnit. (bsd3, library, test, testing)2017-04-102.0.0emc2
HUnit-approx110.01Approximate equality for floating point numbers with HUnit (bsd3, library, testing)2017-10-311.1.1.1RichardEisenberg
HXMPP (deprecated in favor of pontarius-xmpp)20.01A (prototyped) easy to use XMPP library (bsd3, deprecated, library, network, program)2011-03-020.0.1.0JonKristensen
HXQ40.01A Compiler from XQuery to Haskell (bsd3, library, xml)2016-01-070.20.1LeonidasFegaras
HaGL10.00Haskell-embedded OpenGL (graphics, library, mit)2023-06-100.1.0.0simeon
HaLeX30.01HaLeX enables modelling, manipulation and visualization of regular languages (data, library, program, public-domain)2017-02-101.2.6GwernBranwen, joaoSaraiva
HaMinitel20.01An Haskell library to drive the french Minitel through a serial port (gpl, library, terminal)2014-07-120.1.0.0zigazou
HaPy20.01Haskell bindings for Python (foreign, library, mit)2015-05-290.1.1.1DavidFisher
HaTeX252.2515The Haskell LaTeX library. (bsd3, latex, library)2025-02-213.23.0.1DanielDiaz
HaTeX-qq20.01Quasiquoters for HaTeX (bsd3, library, text)2017-05-110.1.0.1HiromiIshii
HaVSA12.01An implementation of the Version Space Algebra learning framework. (ai, bsd3, library, program)2011-04-050.1.0.2RoganCreswick
HaXPath20.00An XPath-generating embedded domain specific language. (bsd3, library, xml)2023-03-260.3.0.1hgrano
HaXml240.053Utilities for manipulating XML documents (lgpl, library, program, text, xml)2024-12-121.25.14JensPetersen, MalcolmWallace, phadej
Hach20.01Simple chat (library, mit, network, program)2013-11-170.1.2DmitryMalikov
HackMail20.01A Procmail Replacement as Haskell EDSL (bsd3, library, network, program)2009-03-280.0.1JoeFredette
Haggressive50.01Aggression analysis for Tweets on Twitter (gpl, library, web)2014-12-010.1.0.4Pold87
HandlerSocketClient (deprecated)60.01Haskell implementation of a HandlerSocket client (API). (bsd3, database, deprecated, library)2012-02-200.0.5XingboWu
HandsomeSoup80.05Work with HTML more easily in HXT (bsd3, library, text)2015-06-090.4.2AdityaBhargava
HappyTree10.01Type Safe and End to End Decision Tree (bsd3, data, library)2018-01-080.2018.1.8MarisaVeryMoe
HarmTrace-Base122.04Parsing and unambiguously representing musical chords. (lgpl, library, music)2017-10-031.6.0.0BasDeHaas, JosePedroMagalhaes
HasBigDecimal72.253A library for arbitrary precision decimal numbers. (apache, library, math, program)2022-09-010.2.0.0thma
HasCacBDD50.02Haskell bindings for CacBDD (data, gpl, library)2025-01-010.3.0.0m4lvin
HasChor10.00Functional choreographic programming in Haskell (bsd3, concurrency, library, program)2023-11-130.1.0.1gan_shen
HasGP10.01A Haskell library for inference using Gaussian processes (ai, classification, datamining, gpl, library, statistics)2011-10-260.1SeanHolden
HaskRel10.01HaskRel, Haskell as a DBMS with support for the relational algebra (database, gpl, library)2015-11-250.1.0.2thormick
HaskellForMaths270.04Combinatorics, group theory, commutative algebra, non-commutative algebra (bsd3, library, math)2024-10-120.4.10DavidAmos
HaskellLM30.01Pure Haskell implementation of the Levenberg-Marquardt algorithm (library, math)2012-02-290.1.2KietLam
HaskellNN30.01High Performance Neural Network in Haskell (ai, library)2012-01-290.1.3KietLam
HaskellNet260.06Client support for POP3, SMTP, and IMAP (bsd3, library, network)2023-05-270.6.1.2AlexanderVershilov, JonathanDaugherty
HaskellNet-SSL200.04Helpers to connect to SSL/TLS mail servers with HaskellNet (bsd3, library, network, program)2025-02-150.4.0.2DanielWright, lemol, Hazelfire, mangoiv
Hastodon42.01mastodon client module for Haskell (library, mit, web)2018-05-280.6.0syucream
Hate22.00A small 2D game framework. (graphics, library, mit, program)2015-12-210.1.4.3bananu7
Hawk10.01Haskell Web Application Kit (bsd3, library, web)2010-06-010.0.2BjoernPeemoeller
Hclip230.08A small cross-platform library for reading and modifying the system clipboard. (bsd3, library, system)2016-06-153.0.0.4JensThomas, MarcelFourne
Hedi20.01Line oriented editor (bsd3, editor, library, program)2008-11-300.1.1PaoloVeronelli
HerbiePlugin30.07automatically improve your code's numeric stability (bsd3, library, math)2015-09-280.2.0.0MikeIzbicki
Hermes (deprecated)20.01Message-based middleware layer (bsd3, deprecated, library, middleware, network)2010-05-180.0.4SveinOveAas
Hieroglyph130.01Purely functional 2D graphics for visualization. (bsd3, graphics, library)2009-08-253.89JeffersonHeard
HiggsSet (deprecated)20.01A multi-index set with advanced query capabilites (bsd3, data, deprecated, library)2012-02-040.1.1LarsPetersen
Hipmunk (deprecated)70.02A Haskell binding for Chipmunk. (deprecated, game, library, physics)2015-07-235.2.0.17FelipeLessa, SoenkeHahn
Hipmunk-Utils10.01Useful functions for Hipmunk (bsd3, game, library, physics)2017-09-060.1.1.1suzumiya
Hish20.01 (bsd3, command-line, console, library, program, shell)2016-03-310.1.2.4jaiyalas
Histogram170.01 (bsd3, charts, library)2012-11-090.1.0.2MikeIzbicki
Hoed30.04Lightweight algorithmic debugging. (bsd3, debug, library, trace)2018-03-170.5.1faddegon
HoleyMonoid50.01Monoids with holes. (bsd3, data-structures, library)2017-02-130.1.2MartijnVanSteenbergen
Holumbus-Distribution60.03intra- and inter-program communication (distributed-computing, library, network, program)2010-08-310.1.1StefanSchmidt
Holumbus-MapReduce50.01a distributed MapReduce framework (distributed-computing, library, program)2010-08-310.1.1StefanSchmidt
Holumbus-Searchengine100.01A search and indexing engine. (data, library, mit, text)2012-03-011.2.3UweSchmidt
Holumbus-Storage30.02a distributed storage system (distributed-computing, library, program)2010-05-040.1.0StefanSchmidt
Homology40.01Compute the homology of a chain complex (library, math)2012-06-240.1.1DamekDavis
HongoDB20.01A Simple Key Value Store (bsd3, database, library)2011-04-080.0.1HideyukiTanaka
HostAndPort30.02Parser for host and port pairs like localhost:22 (library, mit, network)2015-08-010.2.0slava
Hs2lib30.01A Library and Preprocessor that makes it easier to create shared libs from Haskell programs. (bsd3, development, library, program)2015-01-270.6.3TamarChristina
HsASA50.01A haskell interface to Lester Ingber's adaptive simulating annealing code (bsd3, library, math)2012-01-270.2DonaldStewart, MalcolmWallace
HsHTSLib60.01Bindings to htslib. (bio, library, mit)2021-09-301.9.2.2kaizhang
HsHaruPDF20.01Haskell binding to libharu (http://libharu.sourceforge.net/) (bsd3, graphics, library)2007-11-130.0.0AudreyTang
HsHyperEstraier70.01HyperEstraier binding for Haskell (library, public-domain, text)2011-07-280.4MasatakeDaimon
HsJudy20.01Judy bindings, and some nice APIs (bsd3, data, library)2008-03-070.2GwernBranwen
HsOpenSSL1322.072Partial OpenSSL binding for Haskell (cryptography, library, public-domain)2025-01-020.11.7.9AndreasAbel, MasatakeDaimon, VladimirShabanov
HsOpenSSL-x509-system150.06Use the system's native CA certificate store with HsOpenSSL (bsd3, filesystem, library, system)2020-08-230.1.0.4MariosTitas
HsParrot60.01Haskell integration with Parrot virtual machine (bsd3, language, library, pugs)2015-08-150.0.2.20150805AudreyTang
HsPerl520.01Haskell interface to embedded Perl 5 interpreter (bsd3, language, library, pugs)2015-08-150.0.6.20150815AudreyTang
HsSVN20.01Partial Subversion (SVN) binding for Haskell (development, library, public-domain, system)2013-09-300.4.3.3MasatakeDaimon
HsSyck170.07Fast, lightweight YAML loader and dumper (library, mit, pugs, text)2015-02-270.53AudreyTang, GwernBranwen, OliverCharles
HsTools40.05Haskell helper functions (bsd3, generic, library)2010-09-070.0.1.1ChristianHoener
HsWebots10.00Webots bindings for Haskell (library, mit, robotics)2020-03-160.1.1.3junjihashimoto
HsYAML661.516Pure Haskell YAML 1.2 processor (gpl, library, text)2025-03-110.2.1.5AndreasAbel, HerbertValerioRiedel, sjakobi
HsYAML-aeson382.257JSON to YAML Adapter (codec, gpl, json, library, text, web, yaml)2025-03-110.2.0.2AndreasAbel, HerbertValerioRiedel, sjakobi
Hsed20.01Stream Editor in Haskell (bsd3, editor, library, program)2011-03-130.2.2VitaliyRukavishnikov
Hsmtlib30.01Haskell library for easy interaction with SMT-LIB 2 compliant solvers. (bsd3, library, smt----------)2014-07-022.8.8.8roger62
HueAPI (deprecated)40.01API for controlling Philips Hue lights (bsd3, deprecated, hardware, library)2016-02-130.2.7SjoerdVisscher
HulkImport20.00Easily bulk import CSV data to SQL Server (bsd3, data, library, program)2015-11-090.1.0.3smobs
Hungarian-Munkres70.01A Linear Sum Assignment Problem (LSAP) solver (algorithms, gpl, library)2014-10-080.1.5kaizhang
Hydrogen20.00The library for generating a WebGL scene for the web (bsd3, library, program, web)2017-06-140.1.0.0QSpider2017
HyloDP30.00A package for solving dynamic programming problems in Haskell (bsd3, dynamic-programming, library, program, recursion)2024-01-171.0.0DavidLlorens
I1M40.00Code for the Haskell course taught at the University of Seville. (data-structures, education, gpl, library)2024-10-090.2.2Jose_A_Alonso
IDynamic20.01Indexable, serializable form of Data.Dynamic (bsd3, data, library)2009-10-160.1AlbertoCorona
IFS10.01Iterated Function System generation for Haskell (bsd3, graphics, library, program)2007-11-060.1.1alpheccar
IOR20.01Region based resource management for the IO monad. (bsd3, library, monadic-regions, system)2008-05-250.1IvanTomac
IORefCAS (deprecated in favor of atomic-primops)30.03Atomic compare and swap for IORefs and STRefs. (bsd3, data, deprecated, library)2013-05-070.2.0.1RyanNewton
IOSpec102.03A pure specification of the IO monad. (bsd3, library, testing)2023-07-250.3.1.2BertramFelgenhauer, WouterSwierstra, ncfavier
IPv6Addr480.02Library to deal with IPv6 address text representations. (bsd3, library, network)2025-03-132.0.6.1MichelBoucey
IPv6DB60.00A RESTful microService for IPv6-related data (bsd3, database, library, network, program)2024-10-130.3.3.4MichelBoucey
IcoGrid10.01Library for generating grids of hexagons and pentagons mapped to a sphere. (graphics, library)2010-01-230.1.2JimSnow
IfElse160.012Anaphoric and miscellaneous useful control-flow (bsd3, control, library)2008-12-240.85IvanPerez, JeffersonHeard, keera_studios_ci
Imlib70.05 (bsd3, graphics, library)2009-03-300.1.2AndreasRaster, CaleGibbard
ImpSpec240.00Imperative approach to testing stateful applications. ImpSpec is build on top of HSpec and QuickCheck (apache, control, library)2024-11-190.1.0.0lehins, IOHK
ImperativeHaskell132.01A library for writing Imperative style haskell. (control, development, embedded, gpl, language, library)2012-06-072.0.0.1MatthewMirman
IndentParser (deprecated in favor of indentparser)40.03Combinators for parsing indentation based syntatic structures (deprecated, library, parsing)2007-10-190.2.1PiyushKurur
IndexedList10.02Length- and element-indexed lists sitting somewhere between homogeneous and fully heterogeneous. (bsd3, data, library)2014-06-280.1.0.1kwf
InfixApplicative60.04liftA2 for infix operators. (bsd3, control, library)2009-12-241.1ThomasDavie
IntFormats20.00Convert integers in various bases to and from strings (library, mpl, text)2019-10-120.1.0.0LyraSolomon
IntGraph30.01Dynamically sized graph library (bsd3, data-structure, library)2018-07-010.1.1.0sam_barr
InternedData20.01Data interning (with compact regions where possible) (bsd3, data, data-structures, library, natural-language-processing)2019-10-020.0.0.1ChristianHoener
Interpolation160.02Multiline strings, interpolation and templating. (data, library, text)2012-10-050.3.0VilleTirronen
Interpolation-maxs60.01Multiline strings, interpolation and templating. (data, library, text)2014-03-140.3.0MaxwellSwadling
IntervalMap232.07Containers for intervals, with efficient search. (bsd3, data, library)2023-06-060.6.2.1ChristophBreitkopf
Irc10.01DSL for IRC bots (gpl, library, network)2015-01-210.1.0.2yunxing
IrrHaskell50.01Haskell FRP binding to the Irrlicht game engine. (ffi, game-engine, graphics, library)2011-04-030.2EwenCochran, MaciejBaranski
IsNull20.01A typeclass to determine if a given value is null. (bsd3, data, library)2014-06-190.4.0.0jcristovao
JSON-Combinator (deprecated in favor of lens)150.02A combinator library on top of a generalised JSON type (bsd3, combinators, deprecated, json, library)2011-04-030.2.8TonyMorris
JSON-Combinator-Examples (deprecated in favor of lens)30.01Example uses of the JSON-Combinator library. (bsd3, combinators, deprecated, library)2010-12-200.0.1TonyMorris
JSONParser40.01Parse JSON (bsd3, library, text)2019-05-220.1.0.4AlanHawkins
JSONb20.05JSON parser that uses byte strings. (bsd3, library, text)2012-02-101.0.8JasonDusek
JYU-Utils10.02Some utility functions for JYU projects (library, mit, utility)2011-09-270.1.1.2VilleTirronen
JackMiniMix (deprecated in favor of jackminimix)20.01control JackMiniMix (deprecated, gpl, library, sound)2010-08-220.1RenickBell
Jazzkell40.00Library for modeling jazz improvisation. (library, music)2019-05-190.0.1DonyaQuick
Jdh10.01A Json implementation for Haskell, with JavaScript Values and Encoding/Decoding (data, library, mit)2017-02-250.1.0.1brunoczim
Jikka50.00A transpiler from Python to C++ for competitive programming (compilers-interpreters, library, program)2021-09-255.6.0.0kimiyuki
JsContracts50.01Design-by-contract for JavaScript (bsd3, language, library, program)2009-12-150.5.3ArjunGuha
JsonGrammar110.01Combinators for bidirectional JSON parsing (bsd3, json, language, library)2016-10-071.0.5MartijnVanSteenbergen
JuPyTer-notebook20.00JuPyTer notebook parser (bsd3, data, library, program)2017-11-210.1.0.0MichalGajda
JuicyCairo50.00To use images of JuicyPixels from Cairo (bsd3, graphics, library)2024-02-150.1.0.0YoshikuniJujo
JuicyPixels1902.75115Picture loading/serialization (in png, jpeg, bitmap, gif, tga, tiff and radiance) (bsd3, codec, graphics, image, library)2024-06-063.3.9VincentBerthoux
JuicyPixels-blp20.00BLP format decoder/encoder over JuicyPixels library (bsd3, codec, graphics, image, library, program)2021-10-250.2.0.0NCrashed
JuicyPixels-blurhash62.00Blurhash is a very compact represenation of a placeholder for an image (bsd3, graphics, image, library, program)2020-05-240.1.0.3smprts
JuicyPixels-canvas30.01Functions for drawing lines, squares and so on pixel by pixel (bsd3, graphics, library)2014-05-050.1.0.0eax
JuicyPixels-extra320.03Efficiently scale, crop, flip images with JuicyPixels (bsd3, graphics, image, library)2023-02-080.6.0mrkkrp
JuicyPixels-repa180.05Convenience functions to obtain array representations of images. (bsd3, graphics, library)2016-05-140.7.1.0ThomasDuBuisson
JuicyPixels-scale-dct160.01Scale JuicyPixels images with DCT (bsd3, graphics, image, library)2018-05-190.1.2phadej
JuicyPixels-stbir40.01Scale JuicyPixels images with stb_image_resize (bsd3, graphics, image, library)2018-02-240.1.0.0mtolly
JuicyPixels-util70.05Convert JuicyPixel images into RGBA format, flip, trim and so on (bsd3, control, library)2014-10-180.2FumiakiKinoshita
JunkDB20.03 (bsd3, database, library)2014-04-210.1.1.0seagull
JunkDB-driver-gdbm30.01 (bsd3, database, library)2014-04-210.1.1.0seagull
JunkDB-driver-hashtables20.01 (bsd3, database, library)2014-04-210.1.1.0seagull
JustParse10.01A simple and comprehensive Haskell parsing library (library, public-domain, text)2014-06-232.1grantslatton
KMP70.02Knuth–Morris–Pratt string searching algorithm (algorithms, bsd3, library)2018-12-170.2.0.0CindyLinz
KSP10.01A library with the kerbal space program universe and demo code (library, public-domain, testing)2015-06-070.1frosch03, brettschneider
Kalman (deprecated in favor of kalman)30.01A slightly extended Kalman filter (bsd3, deprecated, library, math)2015-04-050.1.0.1DominicSteinitz
Kawaii-Parser70.00A simple parsing library. (bsd3, library, monad-transformers, parsing, tokenisation)2021-07-112.0.0Liisi_Kerik
KdTree40.01KdTree, for efficient search in K-dimensional point clouds. (bsd3, data-mining, data-structures, graphics, library, machine-learning)2017-09-290.2.2.1IssacTrotts, jessekempf
Ketchup20.01A super small web framework for those who don't like big and fancy codebases (ketchup, library, mit, web)2015-02-240.4.3Hamcha
KiCS30.03A compiler from Curry to Haskell (compiler, library, program)2012-07-020.9.3BerndBrassel, BjoernPeemoeller, CurryLanguage
KiCS-debugger50.01debug features for kics (debug, library, program)2009-10-230.1.1BerndBrassel
KiCS-prophecy20.01a transformation used by the kics debugger (debug, library, program)2009-10-230.1.1BerndBrassel
Kleislify20.02Variants of Control.Arrow functions, specialised to kleislis. (bsd3, control, library)2012-05-150.0.4DylanJust
Konf (deprecated)10.01A configuration language and a parser. (deprecated, library, text)2013-08-270.1.0.0GoktugKayaalp
Kriens20.01Category for Continuation Passing Style (bsd3, control, library)2015-12-070.1.0.1matteo_provenzano
Kulitta40.01Library for automated composition and musical learning (library, sound)2018-08-242.2.1DonyaQuick
KyotoCabinet20.01Kyoto Cabinet DB bindings (bsd3, database, library)2011-03-160.1WarrenHarris
L-seed20.01Plant growing programming game (bsd3, game, library, program)2009-06-280.2JoachimBreitner
LATS20.01Linear Algebra on Typed Spaces (bsd3, library, numeric)2016-09-010.4.2guaraqe
LDAP70.04Haskell binding for C LDAP API (bsd3, library, network)2017-01-120.6.11EdwardYang, JohnGoerzen, ip1981
LDAPv320.00Lightweight Directory Access Protocol (LDAP) version 3 (gpl, library, network)2023-09-220.1.2.0HerbertValerioRiedel
LPFP40.00Code for the book Learn Physics with Functional Programming (bsd3, library, physics, program)2025-01-081.1.5ScottWalck
LPFP-core50.00Code for the book Learn Physics with Functional Programming (bsd3, library, physics)2025-01-081.1.5ScottWalck
LPPaver20.00An automated prover targeting problems that involve nonlinear real arithmetic (formal-methods, library, math, mathematics, maths, mpl, program, theorem-provers, verification)2023-03-130.0.5.0JunaidRasheed
LParse30.01A continuation-based parser library (library, mit, parsing)2019-07-130.3.1.0Sacchan
LRU (deprecated)20.02Implements an LRU data structure (bsd3, deprecated, library, unclassified)2007-11-050.1.1AdamLangley
LTS10.00LTS: Labelled Transition System (library, mit, program, state-machines)2020-04-080.1.0.0ajayeeralla
LTree80.01Tree with only leaves carrying the data. (data, library, public-domain)2011-09-210.1RahulGopinath
LambdaDB32.00On-memory Database using Lambda Function environment. (bsd3, database, library, program)2016-05-280.0.0.6Ailrun
LambdaDesigner20.01A type-safe EDSL for TouchDesigner written in Haskell. (bsd3, library, touchdesigner)2017-12-050.1.0.0ulyssesp
LambdaHack292.252A game engine library for tactical squad ASCII roguelike dungeon crawlers (bsd3, game, game-engine, library, program, roguelike)2023-10-300.11.0.1AndresLoeh, MikolajKonarski
LambdaNet22.01A configurable and extensible neural network library (library, machine-learning, mit)2015-01-020.2.0.0jbarrow
LambdaPrettyQuote60.01Quasiquoter, and Arbitrary helpers for the lambda calculus. (bsd3, language, library)2012-02-240.0.0.8JonathanFischoff
Lambdajudge32.01A library to easily host Haskell based programming competitions (development, library, mit)2015-11-131.0.0.4ankitku
Lambdaya10.01Library for RedPitaya (lgpl, library, system)2016-04-050.3.0.0.0ralu
LargeCardinalHierarchy30.01A transfinite cardinal arithmetic library including all known large cardinals (library, math, mathematics, maths, set-theory)2014-09-070.0.1Stephen_E_A_Britton
Lastik (deprecated)30.01A library for compiling programs in a variety of languages (bsd3, deprecated, development, library)2010-11-160.7.0TonyMorris
Lattices50.02A library for lattices (library, math)2018-09-210.0.3BartCoppens
Lazy-Pbkdf220.01Lazy PBKDF2 generator. (cryptography, library, mit)2017-11-143.1.1Ofenhed
Learning30.01The most frequently used machine learning tools (bsd3, library, machine-learning, program)2018-02-260.1.0penkovsky
LetsBeRational50.00European option implied vol calculation (finance, library, math, mit, numeric, quant)2021-12-191.0.0.0ghais
LibClang50.01Haskell bindings for libclang (a C++ parsing library) (bsd3, language, library)2017-01-153.8.0ChetanTaralekar, deech
LibZip40.04Bindings to libzip, a library for manipulating zip archives. (bsd3, codec, foreign, library)2016-08-291.0.1SergeyAstanin
Limit20.01Wrapper for data that can be unbounded (data, library, mit)2011-12-241.0NateSoares
LinearSplit20.01Partition the sequence of items to the subsequences in the order given (algorithms, bsd3, library)2011-03-050.2.1VitaliyRukavishnikov
LinguisticsTypes40.02Collection of types for natural language (bsd3, library, natural-language-processing)2017-03-140.0.0.3ChristianHoener
Liquorice20.00Algorithmic Doom map generation (game, gpl, library)2020-03-060.0.1jmtd
List180.08List monad transformer and class (bsd3, control, library)2017-09-270.6.2YairChuchem
ListLike1082.052Generalized support for list-like structures (bsd3, bytestring, library, list, string, text, vector)2025-03-134.7.8.3AndreasAbel, DavidFox, JohnGoerzen, JohnLato
ListT (deprecated)30.01List transformer (bsd3, control, deprecated, library)2017-12-140.1.2.0
ListTree60.01Trees and monadic trees expressed as monadic lists where the underlying monad is a list (algorithms, bsd3, library)2016-12-260.2.3YairChuchem
ListWriter30.01define a list constant using Monadic syntax other than overhead [,] (bsd3, library, syntax)2015-10-290.1.0.0YLiLarry
ListZipper110.06Simple zipper for lists (bsd3, data, library)2011-10-311.2.0.2RyanIngram
LiterateMarkdown30.00Converter to convert from .lhs to .md and vice versa. (library, mit, productivity, program)2020-08-290.1.0.1FabianSchneider
Logic20.01Logic (library, math, mit)2014-12-290.1.0.0gogotanaka
LogicGrowsOnTrees50.04a parallel implementation of logic programming using distributed tree exploration (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-091.1.0.2GregoryCrosswhite
LogicGrowsOnTrees-MPI40.01an adapter for LogicGrowsOnTrees that uses MPI (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-091.0.0.1.1GregoryCrosswhite
LogicGrowsOnTrees-network80.01an adapter for LogicGrowsOnTrees that uses multiple processes running in a network (bsd3, control, distributed-computing, library, logic, parallelism)2016-04-051.0.0.4GregoryCrosswhite
LogicGrowsOnTrees-processes40.01an adapter for LogicGrowsOnTrees that uses multiple processes for parallelism (bsd3, control, distributed-computing, library, logic, parallelism)2014-03-091.0.0.2GregoryCrosswhite
Lucu40.01HTTP Daemonic Library (library, network, public-domain)2011-09-040.7.0.3MasatakeDaimon
Lykah10.01A static website and blog generator (library, mit, program, web)2017-01-260.0.2johannesgerer
MASMGen22.01Generate MASM code from haskell (development, lgpl, library)2018-10-110.7.0.0petercommand
MBot32.51Haskell interface for controlling the mBot educational robot (educational, gpl, library)2018-07-230.2.4.1cfscholl
MC-Fold-DP20.01Folding algorithm based on nucleotide cyclic motifs. (bioinformatics, gpl, library, program)2012-11-120.1.1.0ChristianHoener
MFlow130.01stateful, RESTful web framework (application-server, bsd3, library, web)2015-09-210.4.6.0AlbertoCorona
MHask10.01The category of monads (bsd3, control, library)2013-08-060.3.0.0DanBurton
MIP100.02Library for using Mixed Integer Programming (MIP) (algorithms, bsd3, library, math, optimisation, optimization)2025-02-020.2.0.0MasahiroSakai
MIP-glpk30.00A GLPK backend to the MIP library. (algorithms, gpl, library, math, optimisation, optimization)2025-02-020.2.0.0MasahiroSakai
MSQueue20.01Michael-Scott queue. (bsd3, data, library)2015-01-310.0.1julek
MagicHaskeller150.02Automatic inductive functional programmer by systematic search (bsd3, language, library, program)2022-06-020.9.7.1SusumuKatayama
MailchimpSimple30.01Haskell library to interact with Mailchimp JSON API Version 3.0 (bsd3, library, web)2016-03-290.2.0.0dananji9131
Mantissa50.00Reals in the interval [0,1), as machine words (bsd3, library, numeric)2024-09-040.1.0.0jcranch
Map (deprecated)40.01Class of key-value maps (bsd3, data, deprecated, library)2020-09-050.1.3.3
MapWith50.00mapWith: like fmap, but with additional parameters (isFirst, isLast, etc). (bsd3, combinators, library)2020-08-250.2.0.0davtjames
Mapping20.01Mapping (agpl, data, library)2018-02-272.0.0.0Zaoqi
MaybeT10.021MaybeT monad transformer (bsd3, control, library)2008-12-210.1.2CaleGibbard, DonaldStewart, EricKidd
MaybeT-monads-tf (deprecated in favor of monads-tf)70.01MaybeT monad transformer compatible with monads-tf (deprecated) (bsd3, control, deprecated, library)2011-06-220.2.0.1BenMillwood
MaybeT-transformers30.03MaybeT monad transformer using transformers instead of mtl. (bsd3, control, library)2010-06-280.2ErikHesselink, SebastiaanVisser
MeanShift20.01Mean shift algorithm (bsd3, library, math)2012-04-300.1VilleTirronen
Measure10.01A library for units of measurement (bsd3, data, library)2009-11-110.0.2TonyMorris
Mecha11.251mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)2016-08-110.0.0.0CarterSchonwald
Mechs21.251mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)2016-08-110.0.0.0CarterSchonwald
MemoTrie822.2529Trie-based memo functions (bsd3, data, library)2023-07-150.6.11ConalElliott
MetaHDBC10.01Statically checked database access (database, library)2014-12-220.1.4MadsLindstroem
MetaObject90.01A meta-object system for Haskell based on Perl 6 (bsd3, development, library, pugs)2015-08-150.0.6.20150815AudreyTang
Metrics10.01Evaluation metrics commonly used in supervised machine learning (bsd3, library, statistics)2012-06-190.1.2BenHamner
Michelangelo110.01OpenGL for dummies (graphics, library, mit)2016-01-050.2.4.0SwiftsNamesake
MicrosoftTranslator40.01Interface for Microsoft Translator (bsd3, language, library)2015-08-230.1.0.1netogallo
MissingH1012.5142Large utility library (bsd3, library, unclassified)2025-03-021.6.0.2AndreasAbel, HerbertValerioRiedel, JohnGoerzen, davean
MissingK60.05Useful types and definitions missing from other libraries (bsd3, development, library)2017-04-270.0.1IvanPerez, keera_studios_ci
MissingM40.01findM and other missing 'M's (bsd3, control, library)2012-11-150.0.4DylanJust
MissingPy80.01Haskell interface to Python (library, mit, unclassified)2012-08-240.10.6JohnGoerzen, MattBrown
Mobile-Legends-Hack-Cheats (deprecated)00.01spam (bsd3, deprecated, library, web)2018-02-221.0.1
Modulo30.01Modular arithmetic via Numeric-Prelude (gpl, library, math)2013-08-080.2.0.1NikolayMurzin
Moe20.01A FRP library based on signal functions. (bsd3, frp, library, program)2011-11-030.1XinyuJiang
MoeDict20.01Utilities working with MoeDict.tw JSON dataset (library, public-domain, text)2016-02-040.0.4AudreyTang
MonadCatchIO-mtl (deprecated in favor of exceptions)150.020Monad-transformer version of the Control.Exception module (bsd3, control, deprecated, library)2014-01-040.3.1.0DanielGorin
MonadCatchIO-mtl-foreign (deprecated)20.01Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)2010-05-290.1AntoineLatter
MonadCatchIO-transformers (deprecated in favor of exceptions)360.073Monad-transformer compatible version of the Control.Exception module (bsd3, control, deprecated, library)2014-12-230.3.1.3AriePeterson
MonadCatchIO-transformers-foreign (deprecated)40.03Polymorphic combinators for working with foreign functions (bsd3, control, deprecated, library)2010-05-290.1AntoineLatter
MonadCompose180.01Methods for composing monads. (bsd3, library, monad)2019-01-280.9.0.0JamesCandy
MonadLab20.01Automatically generate layered monads (bsd3, library, monads, program)2009-01-290.0.2AdamProcter
MonadPrompt130.06MonadPrompt, implementation & examples (bsd3, control, library)2014-09-141.0.0.5CaleGibbard, JamesCook, RyanIngram
MonadRandom1302.0149Random-number generation monad. (bsd3, control, library)2025-03-050.6.2BrentYorgey, CaleGibbard, EricKidd, LukePalmer, PaoloVeronelli, PatrickPalka
MonadRandomLazy70.01Lazy monad for psuedo random-number generation. (bsd3, control, library)2015-12-290.1.1.1NormanRamsey
MonadStack20.01Generalizing lift to monad stacks (bsd2, control, library)2015-07-130.1.0.3bhurt
Monadoro122.00A minimalistic CLI Pomodoro timer. (library, mit, program, tools)2025-03-190.4.0.0patryk_kocielnik
Monatron30.03Monad transformer library with uniform liftings (bsd3, control, library)2010-05-120.3.1TomSchrijvers
Monatron-IO10.01MonadIO instances for the Monatron transformers. (bsd3, control, library)2012-04-261.0TobiasBrandt
Mondrian20.00Renders backgrounds & borders (gpl, graphics, library, program)2023-07-160.1.0.0alcinnz
Monocle20.01Symbolic computations in strict monoidal categories with LaTeX output. (bsd3, library, math)2009-12-170.0.4OsmanBineev
MorseCode20.02Morse code (gpl, library, text)2010-10-140.0.5AndyStewart
MuCheck20.05Automated Mutation Testing (gpl, library, testing)2015-01-060.3.0.4RahulGopinath
MuCheck-HUnit10.01Automated Mutation Testing for HUnit tests (gpl, library, program, testing)2015-01-060.3.0.4RahulGopinath
MuCheck-Hspec20.01Automated Mutation Testing for Hspec tests (gpl, library, program, testing)2015-01-060.3.0.4RahulGopinath
MuCheck-QuickCheck20.01Automated Mutation Testing for QuickCheck tests (gpl, library, program, testing)2015-01-060.3.0.4RahulGopinath
MuCheck-SmallCheck20.01Automated Mutation Testing for SmallCheck tests (gpl, library, program, testing)2015-01-060.3.0.4RahulGopinath
MultiChor40.00Type-safe and efficient choreographies with location-set polymorphism. (bsd3, distributed-computing, library)2024-12-051.0.1.1ShapeOfMatter
MultipletCombiner120.00A Haskell implementation for combining SU(n) multiplets (bsd3, groups, library, math, physics, science)2023-09-100.0.7dressel
Munkres20.02Munkres' assignment algorithm (hungarian method) (algorithms, bsd3, library)2008-12-070.1BalazsKomuves
Munkres-simple20.01Simple and typesafe layer over the Munkres package. (algorithms, bsd3, library)2014-09-130.1.0.1ScrambledEggs
MusicBrainz130.01interface to MusicBrainz XML2 and JSON web services (gpl, library, network)2018-10-060.4.1ClintAdams
MusicBrainz-libdiscid60.01Binding to libdiscid by MusicBrainz (audio, ffi, library, sound)2013-04-220.5.0.0AndreTwupack
MutationOrder20.00Most likely order of mutation events in RNA (bioinformatics, gpl, library, program)2017-10-240.0.1.0ChristianHoener
MyPrimes30.00Generate all primes (data, library, mit, program)2015-08-050.1.0.0afonsomatos
NGLess50.00NGLess implements ngless, a DSL for processing sequencing data (domain-specific-language, library, mit, program)2022-09-141.5.0luispedro
NMap20.01A transparent nested Map structure (data, library)2016-12-020.12ACastello
NTRU30.01NTRU Cryptography (cryptography, library, math)2020-01-271.1.0.0mikewest, Bodigrim
NXT50.01A Haskell interface to Lego Mindstorms NXT (lgpl, library, program, robotics)2016-02-230.2.5MitarMilutinovic
NXTDSL10.01Generate NXC Code from DSL (bsd3, compilers-interpreters, language, library, program)2013-08-310.4AlexanderThiemann
NaCl40.01Easy-and-safe-to-use high-level Haskell bindings to NaCl (cryptography, library, mpl)2021-11-220.0.5.0lierdakil, kirelagin, serokell
NameGenerator70.01A name generator written in Haskell (gpl, library, text)2018-09-010.0.2
NanoID100.00NanoID generator (bsd3, data, library, program)2024-06-173.4.0.2MichelBoucey
NanoProlog140.01Very small interpreter for a Prolog-like language (bsd3, language, library, program)2011-12-220.3DoaitseSwierstra, JurrienStutterheim, joaopizani
Naperian20.02Naperian Functors for APL-like programming (library, math)2019-03-280.1.1.0DominicSteinitz
NaperianNetCDF20.00Instances of NcStore for hypercuboids (bsd3, library, math, program)2019-04-180.1.0.1DominicSteinitz
NaturalLanguageAlphabets80.02Simple scoring schemes for word alignments (bsd3, library, natural-language-processing)2019-10-020.2.1.0ChristianHoener
Neks10.01Simple networked key/value store (database, library, mit, program)2015-07-310.5.0.0wyager
NestedFunctor30.02Nested composition of functors with a type index tracking nesting. (bsd3, data, library)2014-06-280.2.0.2kwf
NestedSampling50.01A port of John Skilling's nested sampling C code to Haskell. (gpl, library, statistics)2011-09-220.1.4IssacTrotts
NetSNMP40.01Bindings for net-snmp's C API for clients (bsd3, library, network)2024-03-260.4.0.0JohnDorsey, PavloKerestey
Network-NineP60.01High-level abstraction over 9P protocol (library, network)2024-03-050.4.7.4SergeyAlirzaev
NewBinary10.03A binary I/O library (data, library)2009-10-160.2.1JeremyShaw
NineP50.029P2000 in pure Haskell (bsd3, data, library)2013-09-220.0.2.1DaveLeimbach, SergeyAlirzaev
NoHoed80.01Placeholder package to preserve debug ability via conditional builds (bsd3, debugging, library)2017-08-310.1.1PepeIborra
NoTrace22.05Remove all the functions come from Debug.Trace after debugging (development, library, mit)2019-05-070.3.0.4CindyLinz
Noise60.01A Haskell coherent noise generator based on libnoise (bsd3, graphics, library, math, noise)2013-02-251.0.6HugoGomes
Nomyx-Core (deprecated in favor of nomyx-core)30.02A Nomic game in haskell (bsd3, deprecated, game, library)2015-03-260.7.6CorentinDupont
Nomyx-Language (deprecated in favor of nomyx-language)230.03Language to express rules for Nomic (bsd3, deprecated, language, library)2015-03-260.7.6CorentinDupont
Nomyx-Rules (deprecated in favor of Nomyx-Language)40.01Language to express rules for Nomic (bsd3, deprecated, language, library)2013-02-250.1.0CorentinDupont
Nomyx-Web (deprecated in favor of nomyx-web)40.01Web gui for Nomyx (bsd3, deprecated, game, library)2015-03-260.7.6CorentinDupont
NonEmpty20.01Library providing a non-empty list datatype, and total functions operating on it (bsd3, data, library)2009-03-190.1RobinGreen
NonEmptyList (deprecated in favor of semigroups)100.01A list with a length of at least one. (bsd3, data, deprecated, library)2010-08-280.0.9TonyMorris
NumInstances280.010Instances of numeric classes for functions and tuples (bsd3, data, library)2014-09-261.4ConalElliott
NumLazyByteString (deprecated)40.01Num, Enum, Eq, Integral, Ord, Real, and Show instances for Lazy ByteStrings (bsd3, data, deprecated, library)2010-04-060.0.0.1ThomasDuBuisson
NumberSieves70.01Number Theoretic Sieves: primes, factorization, and Euler's Totient (bsd3, library, math)2012-08-210.1.2LeonSmith
NumberTheory40.01A library for number theoretic computations, written in Haskell. (gpl, library, math)2016-02-170.1.0.1cfredric
Numbers40.01An assortment of number theoretic functions (algorithms, library, number-theory)2009-04-170.2.1AdrianNeumann
Nussinov7870.01Nussinov78 using the ADPfusion library. (bioinformatics, gpl, library, program)2012-11-070.1.0.0ChristianHoener
Nutri10.01A little library to calculate nutrition values of food items. (library, public-domain, utils)2013-11-270.1frosch03
OGDF10.00Haskell binding to OGDF (bsd2, graphs, library)2023-07-291.0.0.1IanWooKim
OGL20.02A context aware binding for the OpenGL graphics system (bsd3, graphics, library)2009-05-110.0.3NealAlexander
ONC-RPC10.00ONC RPC (aka Sun RPC) and XDR library (apache, library, network, program)2022-11-110.2DylanSimon
OSM10.01Parse OpenStreetMap files (bsd3, library, utils)2012-01-280.6.4ThomasDuBuisson, TonyMorris
OTP40.01HMAC-Based and Time-Based One-Time Passwords (HOTP & TOTP) (cryptography, library, mit)2018-07-160.1.0.0ArtemLeshchev, HerbertValerioRiedel
Object10.01Object oriented programming for haskell using multiparameter typeclasses. (apache, control, data, library)2014-05-151.0yokto
ObjectIO20.01 (bsd3, library, unclassified)2007-11-031.0.1.1
ObjectName350.03Explicitly handled object names (bsd3, data, library)2021-11-131.1.0.2SvenPanne
Obsidian20.01Embedded language for GPU Programming (bsd3, language, library)2016-05-140.4.0.0JoelSvensson
Octree50.02Simple unbalanced Octree for storing data about 3D points (bsd3, data, library)2018-07-150.6.0.1MichalGajda
OddWord92.253Provides a wrapper for deriving word types with fewer bits. (bsd3, data, library)2018-04-111.0.2.0RobinKay
Omega30.01Integer sets and relations using Presburger arithmetic (bsd3, data, library)2014-05-031.0.3ChristopherRodrigues
OnRmt20.00Text UI library for performing parallel remote SSH operations (bsd3, library, program, system)2017-01-301.0.0.0KevinQuick
OneTuple1270.020Singleton Tuple (bsd3, data, library)2024-05-120.4.2JohnDorsey, phadej
Only560.014The 1-tuple type or single-value "collection" (bsd3, data, library)2017-06-120.1HerbertValerioRiedel
OpenAFP60.01IBM AFP document format parser and generator (data, library, public-domain)2017-04-041.4.3AudreyTang
OpenAL80.06A binding to the OpenAL cross-platform 3D audio API (bsd3, library, sound)2019-06-101.7.0.5AndrewMiller, BenFoppa, SvenPanne
OpenCL20.02Haskell high-level wrapper for OpenCL (bsd3, ffi, gpu, graphics, library)2013-10-191.0.3.4LuisCabellos
OpenCLRaw40.01The OpenCL Standard for heterogenous data-parallel computing (bsd3, graphics, library)2009-08-181.0.1001JeffersonHeard
OpenCLWrappers100.01The OpenCL Standard for heterogenous data-parallel computing (bsd3, ffi, library)2014-08-140.1.0.3EmilKarlson
OpenGL1202.592A binding for the OpenGL graphics system (bsd3, graphics, library)2019-05-063.0.3.0JasonDagit, SvenPanne
OpenGLCheck20.02Quickcheck instances for various data structures. (bsd3, graphics, library)2008-11-041.0ThomasDavie
OpenGLRaw800.030A raw binding for the OpenGL graphics system (bsd3, graphics, library)2021-11-143.3.4.1JasonDagit, SvenPanne, TrevorElliott
OpenGLRaw21 (deprecated)110.01The intersection of OpenGL 2.1 and OpenGL 3.1 Core (deprecated, graphics, library)2015-02-142.0.0.2JakeMcArthur
OpenSCAD40.01ADT wrapper and renderer for OpenSCAD models. (bsd3, graphics, library)2015-07-070.3.0.2MikeMeyer
OpenVG10.01OpenVG (ShivaVG-0.2.1) binding (bsd3, graphics, library)2014-01-010.7.0StephenTetley
OpenVGRaw10.02Raw binding to OpenVG (ShivaVG-0.2.1 implementation). (bsd3, graphics, library)2014-01-010.4.0StephenTetley
Operads20.01Groebner basis computation for Operads. (bsd3, library, math)2009-08-141.0MikaelVejdemoJohansson
OptDir90.03The OptDir type for representing optimization directions. (bsd3, data, library, optimisation, optimization)2024-03-200.1.0MasahiroSakai
OrPatterns40.01A quasiquoter for or-patterns (bsd3, development, library)2014-05-160.1AdamVogt
OrchestrateDB50.01Unofficial Haskell Client Library for the Orchestrate.io API (bsd3, database, library)2015-08-021.0.0.3dwd31415
OrderedBits60.04Efficient ordered (by popcount) enumeration of bits (bsd3, data, library)2019-06-140.0.2.0ChristianHoener
Ordinals50.01Ordinal arithmetic (bsd3, library, math)2010-07-090.0.0.2KiYungAhn
Ordinary30.00A Programming Language in Construction (bsd3, language, library, program)2018-01-080.2018.1.8MarisaVeryMoe
PArrows50.01Arrow parser combinators similar to Parsec (bsd3, library, parsing)2009-01-240.1.1GwernBranwen
PBKDF2 (deprecated in favor of pbkdf, scrypt, bcrypt)40.03Make password-based security schemes more secure. (bsd3, cryptography, deprecated, library)2014-10-020.3.1.5AdamBergmark, ErikHesselink, JeremyShaw, ThomasHartman
PCLT (deprecated)20.02Extension to Show: templating, catalogizing, languages, parameters, etc. (deprecated, library, text)2009-12-120.1AndreySisoyev
PCLT-DB (deprecated)20.01An addon to PCLT package: enchance PCLT catalog with PostgreSQL powers. (database, deprecated, library)2009-12-120.1.1AndreySisoyev
PDBtools30.01A library for analysis of 3-D protein coordinates (bioinformatics, gpl, library)2012-06-030.0.3GrantRotskoff
PPrinter22.01A generic derivable Haskell pretty printer (bsd3, generics, library, pretty-printer, text)2016-10-250.1.0iamzhenyi
PSQueue170.015Priority Search Queue (bsd3, data-structures, library)2025-01-271.2.1HerbertValerioRiedel, ScottDillard, teo
PUH-Project30.01This is a package which includes Assignments, Email, User and Reviews modules for Programming in Haskell course. (bsd3, data, library)2016-01-210.1.0.1att
PageIO20.01Page-oriented extraction and composition library (bsd3, library, program, text)2008-08-010.0.3AudreyTang
Paillier30.01a simple Paillier cryptosystem (bsd3, library, math)2013-12-110.1.0.3onemouth, abhiroop
PandocAgda (deprecated)40.01Pandoc support for literate Agda (bsd3, dependent-types, deprecated, library, program)2013-03-112.3.3.0.2PeterDivianszky
Paraiso20.01a code generator for partial differential equations solvers. (bsd3, language, library)2015-12-030.3.1.5TakayukiMuranushi
Parallel-Arrows-BaseSpec30.01BaseSpecs used for @Parallel-Arrows-Definition@ and Co. (arrows, library, mit, parallelism)2018-01-180.1.1.0s4ke
Parallel-Arrows-Definition30.04Multithreaded evaluation using Arrows. (arrows, library, mit, parallelism)2018-01-180.1.1.0s4ke
Parallel-Arrows-Eden10.01Eden based backend for @Parallel-Arrows-Definition@. (arrows, library, mit, parallelism)2018-01-180.1.1.0s4ke
Parallel-Arrows-Multicore30.01GpH based backend for @Parallel-Arrows-Definition@ in a multicore variant. (arrows, library, mit, parallelism)2018-01-180.1.1.0s4ke
Parallel-Arrows-ParMonad40.01Par Monad (@monad-par@) based backend for @Parallel-Arrows-Definition@. (arrows, library, mit, parallelism)2018-01-180.1.1.0s4ke
Parry30.01A proven synchronization server for high performance computing. (gpl, library, parry)2014-04-010.1.0.0pmeunier
ParsecTools60.011Parsec combinators for more complex objects. (gpl, library, parsing)2010-09-220.0.2.0ChristianHoener
ParserFunction (deprecated in favor of attoparsec)110.01Parse and evaluate mathematical expressions. (bsd3, deprecated, library, math, parsing)2014-05-140.1.0EnzoHaussecker
PartialTypeSignatures40.01emulate partial type signatures with template haskell (bsd3, development, library)2014-08-090.1.0.1AdamVogt
PasswordGenerator20.01Simple library for generating passwords (cryptography, library, mit)2014-02-110.1.0.0VictorDenisov
PastePipe40.01CLI for pasting to lpaste.net (gpl, library, program, utils)2015-04-251.8MateuszKowalczyk, RoganCreswick
PathTree20.01A tree used to merge and maintain paths (bsd3, data, library)2016-07-160.1.1.0pjrt
Pathfinder120.02Relational optimiser and code generator (bsd3, database, ffi, library)2011-12-010.5.10GeorgeGiorgidze, JeroenWeijers, AlexUlrich
Peano40.02simple Peano numbers (bsd3, data, library)2012-03-080.0.4AndrasSlemmer, FrancescoMazzoli
PeanoWitnesses20.03GADT type witnesses for Peano-style natural numbers. (bsd3, data, library)2014-06-280.1.0.0kwf
PenroseKiteDart20.00Library to explore Penrose's Kite and Dart Tilings. (Diagrams, bsd3, graphics, library)2024-12-021.2chrisreade
PerfectHash (deprecated in favor of perfecthash)80.01A perfect hashing library for mapping bytestrings to values. (bsd3, data, data-structures, deprecated, library)2016-04-290.1.5MarkWotton
PermuteEffects40.01Permutations of effectful computations (bsd3, control, library)2011-01-160.2MartijnVanSteenbergen
Persistence90.01A versatile library for topological data analysis. (bsd3, data, library, math)2019-08-192.0.3Ebanflo
Pipe (deprecated)20.02Process piping library (bsd3, deprecated, library, system)2009-07-022.1.2MattiNiemenmaa
Piso20.02Partial isomorphisms (bsd3, data, library)2017-05-090.2MartijnVanSteenbergen
PlayingCards50.01Playing cards api (bsd3, game, library)2014-08-040.3.0.0dillonhuff
Plot-ho-matic80.02Real-time line plotter for generic data (bsd3, graphics, library)2018-12-140.12.2.3GregHorn
Plural70.01Pluralize English words (gpl, language, library)2009-08-050.0.2AndyStewart
PortMidi290.07A binding for PortMedia/PortMidi (bsd3, library, sound)2018-07-290.2.0.0PaulLiu, OlivierSohn
PortMidi-simple50.00Simplified PortMidi wrapper (bsd3, library, sound)2021-06-190.1.0.1AlexanderBondarenko
PostgreSQL20.01Thin wrapper over the C postgresql library (database, library)2007-03-240.2IanLynagh
Prelude40.02A Prelude module replacement (bsd3, library, prelude)2018-08-290.1.0.1HerbertValerioRiedel
PrimitiveArray652.028Efficient multidimensional arrays (bsd3, data, library)2021-06-040.10.1.1ChristianHoener
PrimitiveArray-Pretty40.03Pretty-printing for primitive arrays (bsd3, data, library)2017-03-030.0.0.2ChristianHoener
Printf-TH20.01 (library, utils)2008-06-140.1.1MarcWeber
PriorityChansConverger10.01Read single output from an array of inputs - channels with priorities (concurrency, library)2010-01-030.1AndreySisoyev
ProbabilityMonads20.01Probability distribution monads. (bsd3, control, library)2007-10-070.1.0EricKidd
Probnet42.250Geometric Extrapolation of Integer Sequences with error prediction (ai, forecasting, library, math, mit, sequences)2021-06-020.1.0.4vnos
PropLogic50.02Propositional Logic (algorithms, bsd3, library, logic, program)2012-04-160.9.0.4DavidFox
PropaFP10.01Auto-active verification of floating-point programs (formal-methods, library, math, mathematics, maths, mpl, program, theorem-provers)2023-03-120.1.2.0JunaidRasheed
Proper10.03An implementation of propositional logic in Haskell (bsd3, library, program, unclassified)2014-11-030.5.2.0dillonhuff
ProxN70.01Proximity sets in N dimensions (bsd3, library, math)2012-01-280.0.1AndrasSlemmer
Pup-Events30.01A networked event handling framework for hooking into other programs. (gpl, library, networking, program, pup-events)2012-07-151.0DanielWilson
Pup-Events-Client110.02A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)2012-08-161.1.4DanielWilson
Pup-Events-PQueue30.04A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)2012-07-151.0DanielWilson
Pup-Events-Server120.02A networked event handling framework for hooking into other programs. (gpl, library, networking, pup-events)2012-08-151.2DanielWilson
PyF362.06Quasiquotations for a python like interpolated string formatter (bsd3, library, text)2025-01-030.11.4.0guibou
QIO12.01The Quantum IO Monad is a library for defining quantum computations in Haskell (bsd3, library, quantum)2016-11-131.3AlexanderGreen
QLearn22.01A library for fast, easy-to-use Q-learning. (data, library, mit)2016-05-010.1.0.0dpandya
QuadEdge20.01QuadEdge structure for representing triangulations (bsd3, data, library)2010-06-260.2NealAlexander
QuadTree20.01QuadTree library for Haskell, with lens support. (bsd3, data, game, library)2015-08-090.11.0Kron
QuasiText62.03A QuasiQuoter for Text. (bsd3, library, text)2016-06-050.1.2.6MikeLedger
Quelea22.01Programming with Eventual Consistency over Cassandra. (bsd3, experimental, library)2015-12-131.0.0gowtham
QuickAnnotate80.02Annotation Framework (bsd3, development, library, program)2012-09-190.6ShayanNajd
QuickCheck3902.75799Automatic testing of Haskell programs (bsd3, library, testing)2024-05-272.15.0.1DonaldStewart, KoenClaessen, NickSmallbone, SimonMarlow
QuickCheck-GenT160.01A GenT monad transformer for QuickCheck library. (library, mit, testing)2024-12-220.2.2.2NikitaVolkov
QuickCheck-safe50.01Safe reimplementation of QuickCheck's core (library, mit, testing)2019-04-290.1.0.6BertramFelgenhauer
QuickCheckVariant190.01Valid and Invalid generator (gpl, library, testing)2021-10-221.0.1.0sanjorgek
QuickPlot20.01Quick and easy data visualization with Haskell (gpl, graphics, library)2016-02-150.1.0.1tepf
Quickson (deprecated in favor of aeson-quick)30.01Quick JSON extractions with Aeson (bsd3, deprecated, json, library, text, web)2015-07-120.2ssadler
R-pandoc40.00 (bsd3, library, program, text)2019-11-150.2.3CorentinDupont
RANSAC20.01The RANSAC algorithm for parameter estimation. (bsd3, library, math, numerical)2015-11-190.1.0.2AnthonyCowley
RBTree40.02Pure haskell Red-Black-Tree implemetation (bsd3, data-structures, library)2011-06-090.0.5XingboWu
RESTng20.01A framework for writing RESTful applications. (library, web)2009-05-150.1SergioUrinovsky
RFC1751 (deprecated in favor of rfc1751)20.01RFC-1751 library for Haskell (data, deprecated, library, public-domain)2018-08-131.0.0jprupp
RJson40.04A reflective JSON serializer/parser. (bsd3, library, text)2009-02-220.3.7AlexDrummond
RLP20.00RLP serialization as defined in Ethereum Yellow Paper (data, lgpl, library, parsing)2018-12-10jasagredo
RMP10.01Binding to code that controls a Segway RMP (bsd3, library, program, robotics, system)2010-05-230.0.2NoamLewis
RNAFold30.02RNA secondary structure prediction (bioinformatics, gpl, library, program)2013-12-061.99.3.4ChristianHoener
RNAdesign10.01Multi-target RNA sequence design (bioinformatics, gpl, library, program)2014-02-130.1.2.2ChristianHoener
RNAdraw20.01Draw RNA secondary structures (bioinformatics, gpl, library, program)2014-02-030.2.0.1ChristianHoener
RNAlien42.00Unsupervized construction of RNA family models (bioinformatics, gpl, library, program)2019-08-291.7.0FlorianEggenhofer
RNAwolf20.01RNA folding with non-canonical basepairs and base-triplets. (bioinformatics, gpl, library, program)2011-09-290.4.0.0ChristianHoener
RSA360.023Implementation of RSA, using the padding schemes of PKCS#1 v2.1. (bsd3, codec, cryptography, library)2019-10-142.4.1AdamWick, JonathanDaugherty, KevinQuick
RSolve72.00 (library, logic, mit, program, unification)2019-08-052.0.0.0ice1000
RabbitMQ20.00AMQP 0-9-1 client library for RabbitMQ servers (library, network)2019-08-220.1.0.0HerbertValerioRiedel
Random12340.01Haskell port of Random123 library (library, mit, random)2015-03-200.2.0BogdanOpanchuk
RandomDotOrg60.01Haskell bindings to the RANDOM.ORG Core API (bsd3, library, public-domain, web)2024-10-121.0AustinSeipp, mpilgrem
Range10.01Data structure for managing ranges (bsd3, data, library)2013-04-190.1.0.0ThomasEding
Ranged-sets182.253Ranged sets for Haskell (bsd3, data, library)2019-03-110.4.0PaulJohnson
Rasterific202.255A pure haskell drawing engine. (bsd3, graphics, library)2021-05-260.7.5.4VincentBerthoux
Rattus72.250A modal FRP language (bsd3, frp, library)2023-10-160.5.1.1PatrickBahr
ReadArgs50.03Simple command line argument parsing (bsd3, command-line, library, program)2016-12-081.2.3NoahEasterly
Redmine30.01Library to access Redmine's REST services (library, mit, network, web)2017-01-220.0.8cstpierre
Ref20.01Generic Mutable Ref Abstraction Layer (bsd3, data, library)2013-03-280.1.1.0CarterSchonwald
RefSerialize270.04Write to and read from ByteStrings maintaining internal memory references (bsd3, data, database, library, parsing)2017-02-060.4.0AlbertoCorona
Referees20.01A utility for computing distributions of material to review among reviewers. (gpl, library, program, utils)2014-11-110.0.0PabloCouto
RepLib72.02Generic programming library with representation types (bsd3, generics, library)2018-10-150.5.4.1BrentYorgey, ChrisCasinghino, sweirich
ReplaceUmlaut40.01converting text to properly encoded german umlauts (library, program, text)2023-04-060.1.5.3andrewufrank
ReplicateEffects30.02Composable replication schemes of applicative functors (bsd3, control, library)2012-12-270.3MartijnVanSteenbergen
ReviewBoard50.01Haskell bindings to ReviewBoard (bsd3, development, library, program)2008-05-280.2.2AdamSmyczek
RichConditional20.01Tiny library to replace classic if/else (control, library, mit)2015-02-160.1.0.0alexvieth
Ritt-Wu20.00Parallel implementation of Ritt-Wu's algorithm. (algorithm, bsd3, library, program)2020-02-120.1.0.0jsrqv
Rlang-QQ (deprecated in favor of inline-r)50.02quasiquoter for inline-R code (bsd3, deprecated, development, library)2015-05-060.3.1.0AdamVogt
RoundingFiasco60.00rounding variants floor, ceil and truncate for floating point operations +-*/√… (interval, library, mathematics, mit, numerical, rounding)2024-04-090.1.0.0pauldennis
RoyalMonad60.01All hail the Royal Monad! (bsd3, control, library)2015-09-231000.9AtzeVanDerPloeg
RtMidi31.51Haskell wrapper for RtMidi, the lightweight, cross-platform MIDI I/O library. (library, mit, program, sound)2023-08-140.8.0.0ejconlon, kohlrabi
RxHaskell30.01Reactive Extensions for Haskell (frp, library, mit)2013-04-150.2JustinSpahrSummers
S320.00Library for accessing S3 compatible storage services (gpl, library, network)2019-08-180.1.0.0HerbertValerioRiedel
SBench20.01A benchmark suite for runtime and heap measurements over a series of inputs. (bsd3, library, testing)2013-03-050.2.0DanielSeidel
SCRIPTWriter50.00ESCRIPT: a human friendly language for programming Bitcoin scripts (bitcoin, bsd3, language, library, program, script)2018-10-151.0.1RickKlomp
SCalendar (deprecated in favor of scalendar)21.251This is a library for handling calendars and resource availability based on the "top-nodes algorithm" and set operations. (deprecated, library, mit, time)2017-09-111.1.0sebasHack
SConfig (deprecated)42.01A simple config library (configuration, deprecated, library, mit)2014-10-14fgaz
SDL (deprecated in favor of sdl2)521.523Binding to libSDL (bsd3, deprecated, foreign-binding, library)2018-07-150.6.7.0ChrisDone, DavidHimmelstrup, fffaaa
SDL-gfx (deprecated in favor of sdl2-gfx)60.04Binding to libSDL_gfx (bsd3, deprecated, foreign-binding, library)2018-09-070.7.0.0ChrisDone, DavidHimmelstrup, fffaaa
SDL-image (deprecated in favor of sdl2-image)60.08Binding to libSDL_image (bsd3, deprecated, foreign-binding, library)2018-07-150.6.2.0ChrisDone, DavidHimmelstrup, fffaaa
SDL-mixer (deprecated in favor of sdl2-mixer)130.03Binding to libSDL_mixer (bsd3, deprecated, foreign-binding, library)2018-07-150.6.3.0ChrisDone, DavidHimmelstrup, fffaaa
SDL-mpeg20.01Binding to the SMPEG library (bsd3, foreign-binding, library)2008-07-280.0.1AudreyTang
SDL-ttf (deprecated in favor of sdl2-ttf)50.06Binding to libSDL_ttf (bsd3, deprecated, foreign-binding, library)2018-07-150.6.3.0ChrisDone, DavidHimmelstrup, fffaaa
SDL2-ttf (deprecated in favor of sdl2-ttf)20.01Binding to libSDL-ttf (deprecated, foreign-binding, library, mit)2013-12-220.1.0OmerAgacan
SFML40.02SFML bindings (game, library, mit)2016-10-032.3.2.4AlfredoDiNapoli, sulami, ppelleti
SFML-control10.01Higher level library on top of SFML (graphics, library, mit)2013-12-150.2.0.2AlfredoDiNapoli
SFont (deprecated)30.02SFont SDL Bitmap Fonts (bsd3, deprecated, graphics, library)2010-01-110.1.1LiamOConnorDavis
SG10.03Small geometry library for dealing with vectors and collision detection (bsd3, data, library, math)2009-03-171.0NeilBrown
SGplus10.01(updated) Small geometry library for dealing with vectors and collision detection (bsd3, data, library, math)2016-09-011.1donomii
SHA1160.078Implementations of the SHA suite of message digest functions (bsd3, codec, cryptography, library)2018-03-151.6.4.4AdamWick, RaphaelJavaux
SHA240.02Fast, incremental SHA hashing for bytestrings (bsd3, cryptography, library)2011-02-280.2.5SveinOveAas
SJW10.01The Simple Javascript Wrench (bsd3, library, program, web)2022-02-130.1.2.4tissevert
SMTPClient210.02A simple SMTP client library (bsd3, library, network)2013-02-111.1.0StephenBlackheath
SNet10.01Declarative coördination language for streaming networks. (language, lgpl, library)2012-09-240.1.0MerijnVerstraaten
SQLDeps70.01Calculate db-data dependencies of functions (bsd3, database, library)2013-05-200.1AlexanderThiemann
SSTG42.00STG Symbolic Execution (bsd3, library, program, web)2017-08-170.1.1.7AntonXue
STL30.02STL 3D geometry format parsing and pretty-printing (bsd3, graphics, library)2019-06-290.3.0.6bergey
STLinkUSB20.01STLink USB interface in Haskell (bsd3, hardware, library, microcontroller, stm32)2017-11-030.1.1MarcFontaine
STM32-Zombie20.01control a STM32F103 microcontroller (bsd3, hardware, library, microcontroller, stm32)2017-11-030.2.0MarcFontaine
STM32F103xx-SVD60.01Definition for Peripherals,Registers and Fields from STM32F103xx.svd (bsd3, hardware, library, microcontroller, stm32)2017-11-030.1MarcFontaine
STMonadTrans800.08A monad transformer version of the ST monad (bsd3, library, monads)2024-01-040.4.8AndreasAbel, JosefSvenningsson
SVD2HS20.01translate a SVD of a Microcontroller to Haskell tables (bsd3, hardware, library, microcontroller, stm32, svd)2017-11-030.1MarcFontaine
SVGFonts460.011Fonts from the SVG-Font format (bsd3, graphics, library)2025-02-151.8.1BrentYorgey, JanBracker, RyanYates, TillmannVogt, jeffreyrosenbluth, bergey
SVGPath30.04Parsing the path command of SVG (bsd3, graphics, library)2014-06-161.1.2RohanDrape, TillmannVogt
SWMMoutGetMB60.01A parser for SWMM 5 binary .OUT files (environment, hydrology, lgpl, library, water)2015-11-300.1.1.1siddhanathan
SableCC2Hs10.01Generate a parser (in Haskell) with the SableCC parser generator. (bsd3, library, parsing, program)2012-06-130.0.1.0MarcFontaine
Safe (deprecated in favor of safe)20.04Library for safe (pattern match free) functions (bsd3, deprecated, library, unclassified)2007-01-120.1
SafeSemaphore240.029Much safer replacement for QSemN, QSem, and SampleVar (bsd3, concurrency, library)2014-05-030.10.1ChrisKuklewicz
Salsa20.01A .NET Bridge for Haskell (.net, bsd3, foreign, library)2014-09-060.2.0.2AndrewAppleyard, TimMatthews
Saturnin30.00Saturnin CI / Job System (application-server, bsd3, library, program)2015-05-180.1.0.2yac
SciBaseTypes110.02Base types and classes for statistics, sciences and humanities (bsd3, data, library)2021-06-040.1.1.0ChristianHoener
SciFlow50.02Scientific workflow management system (control, library, mit)2019-05-260.7.0kaizhang
SciFlow-drmaa20.00Scientific workflow management system (control, library, mit)2019-05-260.1.0kaizhang
SecureHash-SHA332.00simple static linked SHA3 using private symbols and the ref impl (bsd2, library, system)2019-01-250.1.1.0CarterSchonwald
SegmentTree100.01Data structure for querying the set (or count) of intervals covering given point (bsd3, data, library)2012-10-290.3AlexandruScvortov, DmitryAstapov
SelectSequencesFromMSA60.00Selects a representative subset of sequences from multiple sequence alignment. (bioinformatics, gpl, library, program)2018-03-121.0.5FlorianEggenhofer
Semigroup30.03A semigroup (bsd3, data, library)2011-04-130.0.7TonyMorris
SeqAlign (deprecated in favor of seqalign)30.01Sequence Alignment (bsd3, deprecated, library, unclassified)2015-04-230.1.0.0rcallahan
SessionLogger20.01Easy Loggingframework (lgpl, library, logging)2011-07-060.3.0.0GeroKriependorf
Set10.00See README for more info (data, library, mpl)2019-12-270.0.2.0
ShellCheck792.04Shell script analysis tool (gpl, library, program, static-analysis)2024-03-080.10.0koala_man, vidarhol
Shellac30.05A framework for creating shell envinronments (bsd3, library, user-interfaces)2016-06-030.9.9RobertDockins
Shellac-compatline50.01"compatline" backend module for Shellac (bsd3, library, user-interfaces)2016-06-030.9.9RobertDockins
Shellac-editline50.02Editline backend module for Shellac (bsd3, library, user-interfaces)2016-06-030.9.9RobertDockins
Shellac-haskeline80.01Haskeline backend module for Shellac (bsd3, library, user-interfaces)2016-06-040.2.1JudahJacobson, RobertDockins
Shellac-readline50.02Readline backend module for Shellac (bsd3, library, user-interfaces)2016-06-030.9.9RobertDockins
ShortestPathProblems20.02grammars for TSP and SHP (bsd3, data, library)2017-03-060.0.0.1ChristianHoener
ShowF40.03Show for * -> * (bsd3, library, text)2013-11-270.1.1ConalElliott
Shpadoinkle92.011A programming model for declarative, high performance user interface. (bsd3, library, web)2021-06-020.3.2.0fresheyeball
Shpadoinkle-backend-pardiff70.01A Virtual Dom in pure Haskell, based on Html as an Alignable Functor. (bsd3, library, web)2021-06-020.3.0.1fresheyeball
Shpadoinkle-backend-snabbdom150.00Use the high-performance Snabbdom virtual dom library written in JavaScript. (bsd3, library, web)2021-06-020.3.0.2fresheyeball
Shpadoinkle-backend-static110.03A backend for rendering Shpadoinkle as Text. (bsd3, library, web)2021-06-020.2.0.1fresheyeball
Shpadoinkle-console50.00Support for the native browser console (bsd3, library, web)2021-06-020.0.1.4fresheyeball
Shpadoinkle-debug (deprecated in favor of Shpadoinkle-console)40.00Debugging tools for Shpadoinkle applications. (bsd3, deprecated, library, web)2020-06-210.0.0.1fresheyeball
Shpadoinkle-developer-tools30.00Chrome extension to aide in development (bsd3, library, program, web)2021-06-020.0.0.2fresheyeball
Shpadoinkle-disembodied90.00Shpadoinkle as a static site. (bsd3, library, web)2021-06-020.0.0.2fresheyeball
Shpadoinkle-html100.03A typed, template generated Html DSL, and helpers. (bsd3, library, web)2021-06-020.3.0.2fresheyeball
Shpadoinkle-isreal20.00Isreal Swan will make a snowman for you! (gpl, library, web)2021-06-020.0.0.2fresheyeball
Shpadoinkle-lens50.00Lens combinators for Shpadoinkle applications. (bsd3, library, web)2021-06-020.0.0.4fresheyeball
Shpadoinkle-router140.01A single page application rounter for Shpadoinkle based on Servant. (bsd3, library, web)2021-06-020.3.0.1fresheyeball
Shpadoinkle-streaming30.00Integration of the streaming library with Shpadoinkle continuations. (bsd3, library, web)2021-06-020.0.0.2fresheyeball
Shpadoinkle-template30.00Read standard file formats into Shpadoinkle with Template Haskell (bsd3, library, web)2021-06-020.0.0.2fresheyeball
Shpadoinkle-widgets90.00A collection of common reusable types and components. (bsd3, library, web)2021-06-020.2.0.1fresheyeball
Shrub40.014-way trie fuzzy search (bsd3, library, unclassified)2015-04-230.1.0.0rcallahan
SimpleAES110.06Fast AES encryption/decryption for bytestrings (bsd3, cryptography, library)2010-05-160.4.2DavidHimmelstrup
SimpleEA40.01Simple evolutionary algorithm framework. (ai, bsd3, library)2012-06-150.2.1ErlendHamberg
SimpleGL (deprecated in favor of definitive-graphics)20.01A Simple Graphics Library from the SimpleH framework. (bsd3, deprecated, graphics, library)2013-09-170.9.3MarcCoiffier
SimpleH (deprecated in favor of definitive-base)20.02A light, clean and powerful Haskell utility library (deprecated, library, prelude)2013-11-281.2MarcCoiffier
SimpleLog20.01Simple, configurable logging (bsd3, library, system)2015-01-190.1.0.3AndrasSlemmer
SimpleServer50.01A simple static file server, for when apache is overkill (library, mit, program, web)2017-06-250.1.1.2AnupamJain
SimpleTableGenerator42.01Simple table generator (gpl, library, text)2017-02-220.2.0.0klntsky
Sit110.01Prototypical type checker for Type Theory with Sized Natural Numbers (dependent-types, library, program)2023-08-030.2023.8.3AndreasAbel
SizeCompare40.01Fast size comparison for standard containers. (data, library)2010-03-020.1BramSchuur
Slides10.01Generate slides from Haskell code (graphics, library, mit)2018-10-090.1.0.10darwin226
SmithNormalForm20.00A lightweight Haskell implementation of Smith normal form over the integers. (library, linearalgebra, math, mit)2021-12-310.1.0.0BrianHwang
Smooth20.01A tiny, lazy SMT solver (bsd3, library, math)2014-11-050.1.0.1dillonhuff
SmtLib10.01Library for parsing SMTLIB2 (formal-methods, library, mit)2015-02-220.1.0.0roger62
SoOSiM30.01Abstract full system simulator (bsd3, library, simulation)2012-06-190.2.1.0ChristiaanBaaij
SoccerFun10.02Football simulation framework for teaching functional programming (ai, bsd3, education, game, library, program)2015-12-020.5.3JanRochel
SoccerFunGL60.01OpenGL UI for the SoccerFun framework (ai, bsd3, education, game, library, program)2015-12-020.5.3JanRochel
Sonnex30.01Sonnex is an alternative to Soundex for french language (gpl, library, natural-language-processing, text)2014-12-010.1.0.3zigazou
Southpaw10.01Assorted utility modules (library, mit, utilities)2015-07-230.1.0.2SwiftsNamesake
SpatialMath50.033d math including quaternions/euler angles/dcms and utility functions (bsd3, library, math)2023-09-160.2.7.1ScottWalck
SpinCounter30.01Lock free Spin Counter (bsd3, data, library)2015-01-240.0.1julek
Spintax120.01Random text generation based on spintax (bsd3, library, text)2024-11-250.3.7.0MichelBoucey
Spock132.759Another Haskell web framework for rapid development (bsd3, library, web)2020-12-090.14.0.0AlexanderThiemann, BrandonSimmons
Spock-api70.02Another Haskell web framework for rapid development (bsd3, library, web)2020-12-090.14.0.0AlexanderThiemann
Spock-api-ghcjs50.01Another Haskell web framework for rapid development (bsd3, library, web)2020-12-090.14.0.0AlexanderThiemann
Spock-api-server60.01Another Haskell web framework for rapid development (bsd3, library, web)2020-12-090.14.0.0AlexanderThiemann
Spock-auth (deprecated)20.01Provides authentification helpers for Spock (bsd3, deprecated, library, web)2014-07-130.2.0.1AlexanderThiemann
Spock-core90.04Another Haskell web framework for rapid development (bsd3, library, web)2022-07-200.14.0.1AlexanderThiemann, BrandonSimmons
Spock-digestive40.02Digestive functors support for Spock (library, mit, web)2016-08-250.3.0.0AlexanderThiemann
Spock-lucid10.02Lucid support for Spock (bsd3, library, web)2017-08-050.4.0.1Artyom
Spock-worker30.01Background workers for Spock (library, mit, web)2016-08-250.3.1.0AlexanderThiemann
SpreadsheetML60.02Write support for Excel's SpreadsheetML format (bsd3, library, text)2012-02-210.1JasonDagit
Sprig (deprecated)20.03Binding to Sprig (bsd3, deprecated, foreign-binding, library)2010-01-110.1.1LiamOConnorDavis
Stack52.251Stack data structure (bsd3, data-structures, library)2019-01-180.4.0rwlock
Stasis10.01A simple MVCC like library (bsd3, concurrency, library, program)2014-01-130.0.1zcourts
StateVar760.029State variables (bsd3, data, library)2021-07-251.2.2EdwardKmett, SvenPanne, phadej, ryanglscott
StateVar-transformer20.02State variables (bsd3, data, library)2014-03-061.0.0.0seagull
StatisticalMethods50.02Collection of useful statistical methods. (gpl, library, statistics)2011-08-220.0.0.1ChristianHoener
StockholmAlignment122.02Libary for Stockholm aligmnent format (bioinformatics, gpl, library)2019-12-171.3.0FlorianEggenhofer
Stomp30.01Client library for Stomp brokers. (bsd3, library, network)2011-07-010.1.1VitaliyRukavishnikov
Strafunski-ATermLib60.01An abstract data type designed for the exchange of tree-like data structures (bsd3, data, library)2013-05-031.6.0.3JamesKoppel
Strafunski-StrategyLib200.02Library for strategic programming (bsd3, generics, library)2018-03-115.0.1.0AlanZimmerman, JamesKoppel
StrappedTemplates120.02General purpose templates in haskell (bsd3, library, text)2015-07-120.2.0.2hansonkd
StrategyLib20.01 (all-rights-reserved, generics, library)2007-07-144.0.0.0SamuelBronson
Stream320.015A library for manipulating infinite lists. (bsd3, data, library)2015-02-060.4.7.2WouterSwierstra
StrictBench30.01Benchmarking code through strict evaluation (library, testing)2009-06-080.1.1RemcoNiemeijer
StrictCheck72.01StrictCheck: Keep Your Laziness In Check (library, mit, testing)2019-11-010.3.0kwf
StringUtils30.01String manipulation utilities (lgpl, library, text)2018-05-080.2.0.2CIX_68
SuffixStructures20.00Suffix array construction (bsd3, data, data-structures, library, program)2015-05-070.0.1.0ChristianHoener
SvgIcons10.00Svg Icons and more (bsd3, graphics, library, web)2023-05-131.1.1RamiroPastor
SybWidget10.02Library which aids constructing generic (SYB3-based) widgets (gui, library)2012-12-020.5.6MadsLindstroem
Synapse (deprecated in favor of synapse)142.00Synapse is a machine learning library written in pure Haskell. (deprecated, library, math, mit)2025-03-210.1.0.2JktuJQ
SyntaxMacros (deprecated in favor of murder)50.01Syntax Macros in the form of an EDSL (deprecated, development-, library)2012-05-311.0.3MarcosViera
Sysmon10.01Sybase 15 sysmon reports processor (bsd3, database, library)2011-03-070.1.2VitaliyRukavishnikov
TBC20.01Testing By Convention (bsd3, library, program, testing)2012-06-240.0.3PeterGammie
TBit50.01Utilities for condensed matter physics tight binding calculations. (bsd3, library, science)2015-04-200.4.2.3danielsmw
TCache110.06A Transactional cache with user-defined persistence (bsd3, data, database, library)2023-02-120.13.3AlbertoCorona
THEff30.01TH implementation of effects. (bsd3, control, effect, library, th-)2017-01-220.1.4kolodeznydiver
THSH50.00A "noDSL" approach to mixing shell scripting with Haskell programs using Template Haskell (library, mit, program, system)2024-10-150.0.0.5hellwolf
TLT12.01Testing in monads and transformers without explicit specs (lgpl, library, program, test)2022-09-300.5.0.0jpmrst
TORCS10.00Bindings to the TORCS vehicle simulator. (bindings, frp, library, program, simulation)2018-02-140.1.0.2MarkSantolucito
TTTAS30.04Typed Transformations of Typed Abstract Syntax (language-, library)2015-04-160.6.0MarcosViera
TV50.03Tangible Values -- composable interfaces (bsd3, interfaces, library)2013-08-140.5.0ConalElliott
TYB40.01Template Your Boilerplate - a Template Haskell version of SYB (bsd3, generics, library)2013-02-180.2.3MichaelAdams, ThomasDuBuisson
TableAlgebra100.02Ferry Table Algebra (bsd3, database, library)2011-08-170.7.1JeroenWeijers
Tahin20.01Tahin Password Generator (bsd3, library, password, program)2016-04-060.1.2mtesseract
Tainted50.01Tainted type, and associated operations (bsd3, control, data, library, monads, trans)2015-05-270.1.0.2RossMeikleham
Tape30.02Bidirectionally infinite streams, akin to the tape of a Turing machine. (bsd3, data, library)2014-06-280.4.0.0kwf
TaskMonad20.00A collection of tools which can be used to access taskwarrior from xmonad. (bsd3, library, xmonad)2019-03-301.0.1mmagorsc
TastyTLT20.00Run TLT tests from Tasty (lgpl, library, program, test)2022-05-240.0.0.0jpmrst
Taxonomy30.03Libary for parsing, processing and vizualization of taxonomy data (bioinformatics, gpl, library)2021-05-302.2.0FlorianEggenhofer
TeX-my-math20.02Render general Haskell math to LaTeX. Or: math typesetting with high signal-to-noise–ratio. (gpl, library, math, program)2023-04-260.203.0.0leftaroundabout
TeaHS (deprecated)20.01TeaHS Game Creation Library (bsd3, deprecated, game, library)2010-06-050.3.1LiamOConnorDavis
Tensor70.05Tensor data types (bsd3, data, library)2018-07-251.1.0.2SvenPanne
TernaryTrees210.01Efficient pure ternary tree Sets and Maps (bsd3, data-structures, library, program)2011-01-220.2.0.2AlexMason
TestExplode60.01Generates testcases from program-snippets (lgpl, library, testing)2015-06-100.1.0.0hjg
Theora10.01 (library, unclassified)2009-05-211.0PierreEtienneMeunier
Thingie (deprecated in favor of Hieroglyph)30.01Purely functional 2D drawing (bsd3, deprecated, graphics, library)2008-12-180.80JeffersonHeard
ThreadObjects30.01Mutable objects that reside in their own threads. (concurrency, gpl, library)2012-08-100.0TimothyHobbs
Thrift10.04Haskell bindings for the Apache Thrift RPC system (foreign, library)2013-04-120.6.0.1DonaldStewart, KirkPeterson, OzgunAtaman
TicTacToe10.01A sub-project (exercise) for a functional programming course (bsd3, education, library)2011-02-150.0.1TonyMorris
TigerHash30.01TigerHash with C implementation (cryptography, gpl, library)2010-04-160.2NikolayOrlyuk
TimePiece30.01A simple tile-based digital clock screen saver (library, program, public-domain, screensaver)2014-05-160.0.5AudreyTang
TinyLaunchbury40.01Simple implementation of call-by-need using Launchbury's semantics (bsd3, compilers-interpreters, library)2011-06-201.0.1DavidSankel
TinyURL30.01Use TinyURL to compress URLs (bsd3, library, web)2009-02-160.1.0ReidBarton
Top30.02Constraint solving framework employed by the Helium Compiler. (constraints, library, program)2012-08-211.7JurriaanHage
TotalMap12.01A total map datatype (control, library, mit)2019-09-130.1.1.1edwardwas
Tournament20.01Tournament related algorithms (game, library, mit)2012-05-260.0.1EirikAlbrigtsen
TraceUtils30.02Functions that should have been in Debug.Trace (bsd3, development, library)2012-10-150.1.0.2EyalLotem
TransformeR (deprecated)20.00eDSL in R for Safe Variable Transformarion (bsd3, deprecated, dsl, library, program, security, statistics)2016-08-040.1.0.0remy
Transhare40.01A library to apply transformation to containers so as to maximize sharing of unchanged subcomponents. (bsd3, data, library)2011-06-190.9ChrisKuklewicz
TreeCounter30.01Wait-free Tree Counter (bsd3, data, library)2015-01-240.0.2julek
TreeStructures30.01A collection of heaps and search trees (bsd3, data-structures, library)2010-03-150.0.2BrendanHickey
TreeT40.01Transformer for Data.Tree (control, library, monads, public-domain)2011-09-170.0RahulGopinath
Treiber20.01Lock free Treiber stack (bsd3, data, library)2015-01-310.0.4julek
TrendGraph20.01A simple trend Graph script (graphics, library, public-domain)2014-07-010.1.0.1AlperAYDIN
TrieMap20.02Automatic type inference of generalized tries with Template Haskell. (algorithms, bsd3, library)2013-04-184.1.0LouisWasserman
Twofish50.01An implementation of the Twofish Symmetric-key cipher. (bsd3, codec, cryptography, library)2013-09-070.3.2RonLeisti
TypeCompose630.031Type composition classes & instances (bsd3, composition, control, library)2018-11-070.9.14ConalElliott
TypeNat20.02Some Nat-indexed types for GHC (data, library, mit)2022-05-190.5.0.1alexvieth
UISF40.05Library for Arrowized Graphical User Interfaces. (bsd3, gui, library)2015-09-020.4.0.0dwincort
URLT (deprecated in favor of web-routes)30.02Library for maintaining correctness of URLs within an application. (bsd3, deprecated, language, library, web)2010-03-160.14JeremyShaw
URLb10.01DEPRECATED A simple, liberal URL parser. (bsd3, library, text)2012-03-140.0.1JasonDusek
UTFTConverter30.00Processing popular picture formats into .c or .raw format in RGB565 (graphics, library, mit, program, text)2016-05-040.1.0.1cirquit
Unique302.07It provides the functionality like unix "uniq" utility (bsd3, data, library)2021-09-300.4.7.9kapral
Unixutils300.08A crude interface between Haskell and Unix-like operating systems (bsd3, library, system)2023-12-181.54.3DavidFox, JeremyShaw
Unixutils-shadow30.01A simple interface to shadow passwords (aka, shadow.h) (bsd3, library, system)2012-03-051.0.0JeremyShaw
Updater20.01Monadic FRP library based on stm (apache, frp, library)2015-09-170.3yokto
UrlDisp20.01Url dispatcher. Helps to retain friendly URLs in web applications. (bsd3, library, network, web)2009-02-040.1.7ArtyomShalkhakov
Useful30.01Some useful functions and shorthands. (bsd3, library, unclassified)2010-12-220.0.6DanielHolden
UtilityTM30.01Utility functions that are missing from the standard library (bsd3, development, library)2011-09-290.0.4TonyMorris
VKHS80.01Provides access to Vkontakte social network via public API (bsd3, library, program, web)2019-01-151.9.2SergeyMironov
VRML20.00VRML parser and generator for Haskell (graphics, library, mit, program)2020-02-100.1.0.0junjihashimoto
Validation (deprecated in favor of validation)50.01A data-type like Either but with an accumulating Applicative (bsd3, data, deprecated, library)2012-08-140.2.0TonyMorris
ValveValueKeyvalue61.50A Valve Value-keyvalue parser for Haskell made with Parsec. (keyvalue, library, mit, parsing, source, valve)2021-10-181.1.0.0berna
Vec60.015Fixed-length lists and low-dimensional linear algebra. (bsd3, data, library, math)2014-08-061.0.5ScottDillard
Vec-Boolean30.02Provides Boolean instances for the Vec package (bsd3, data, library, math)2012-08-051.0.6TobiasBexelius
Vec-OpenGLRaw20.03Instances and functions to interoperate Vec and OpenGL. (bsd3, graphics, library, math)2010-06-280.2.0.1ChristopherLaneHinson
Vec-Transform20.03This package is obsolete (bsd3, graphics, library, math)2012-08-051.1TobiasBexelius
VecN20.01a simple peano-indexed vector type (bsd3, data, library)2012-03-030.0.2AndrasSlemmer
ViennaRNA-bindings150.04ViennaRNA v2 bindings (bindings, bioinformatics, ffi, library)2017-11-230.233.2.0ChristianHoener
ViennaRNA-extras10.01ViennaRNA v2 extensions (bioinformatics, bsd3, library)2017-11-230.0.0.1ChristianHoener
ViennaRNAParser220.03Libary for parsing ViennaRNA package output (bioinformatics, gpl, library)2017-10-181.3.3FlorianEggenhofer
Villefort51.50Villefort is a task manager and time tracker (bsd3, library, program, web)2019-04-300.1.2.19AliceReuter
Vis80.02Painless 3D graphics, no affiliation with gloss (bsd3, graphics, library)2024-05-091.0.0ScottWalck
Vulkan30.01A binding for the Vulkan API (bsd3, graphics, library)2016-01-110.1.0.0SvenPanne
VulkanMemoryAllocator382.03Bindings to the VulkanMemoryAllocator library (bsd3, graphics, library)2023-10-180.11.0.1jophish, expipiplus1
WAVE40.05WAVE audio file IO library (bsd3, data, library, program, sound)2020-04-020.1.6BartonMassey
WEditor30.02Generic text-editor logic for use with fixed-width fonts. (apache, library, text)2020-04-210.2.1.1ta0kira
WEditorBrick40.00Text-editor widget with dynamic line-wrapping for use with Brick. (apache, graphics, library, program)2020-04-200.2.0.1ta0kira
WEditorHyphen70.00Language-specific hyphenation policies for WEditor. (apache, library, text)2020-04-210.1.0.5ta0kira
WL500gPLib20.01A simple library to access to the WL 500gP router from the Haskell code (bsd3, library, network, program)2009-10-150.3.1VasylPasternak
WMSigner10.01WebMoney authentication module (cryptography, data, library, mit)2014-11-260.1.0.0triplepointfive
WURFL (deprecated)30.01Convert the WURFL file into a Parsec parser (bsd3, deprecated, library, web)2007-09-300.1alpheccar
WXDiffCtrl20.01WXDiffCtrl (bsd3, gui, library, user-interfaces)2010-01-110.0.1JeremyODonoghue
WashNGo10.01WASH is a family of EDSLs for programming Web applications in Haskell. (bsd3, library, program, web)2010-05-082.12.0.1MarcWeber
WaveFront20.01Parsers and utilities for the OBJ WaveFront 3D model format (graphics, library, mit)2016-10-180.5.0.0SwiftsNamesake
WeakSets10.02Simple set types. Useful to create sets of arbitrary types and nested sets. (data, lgpl, library)2023-11-051.6.1.0gsabbagh
Weather50.01Library for interacting with the Weather Underground JSON API. (bsd3, library, net)2015-04-160.1.0.4bstamour
WebBits (deprecated in favor of language-ecmascript)140.06JavaScript analysis tools (bsd3, deprecated, language, library)2012-05-102.2AndreyChudnov, ArjunGuha
WebBits-Html30.02JavaScript analysis tools (language, library)2010-02-011.0.2ArjunGuha
WebBits-multiplate30.01A Multiplate instance for JavaScript. (language, library, mit)2011-03-240.0.0.1BalazsEndresz
WebCont10.01Continuation based web programming for Happstack (bsd3, library, web)2010-07-020.0.1SamAnklesaria
WeberLogic30.01Logic interpreter (bsd3, library, math, program)2014-03-170.1.2cameronbwhite
Webrexp10.01Regexp-like engine to scrap web data (bsd3, library, program, utility)2013-05-281.1.2VincentBerthoux
Wheb20.04The frictionless WAI Framework (bsd3, library, web)2014-09-140.3.1.0hansonkd
WidgetRattus20.00An asynchronous modal FRP language for GUI programming (bsd3, frp, library)2025-01-240.4PatrickBahr
WikimediaParser10.01A parser for wikimedia style article markup. (bsd3, library, parsing)2009-02-060.1EzekielSmithburg
Win32-console10.01Binding to the Win32 console API (bsd3, console, library, user-interfaces)2016-09-120.1.0.0siracusa
Win32-dhcp-server110.01Win32 DHCP Server Management API (bsd3, library, system)2015-08-240.3.2MichaelSteele
Win32-errors100.06Alternative error handling for Win32 foreign calls (bsd3, library, system)2023-04-050.2.2.7MichaelSteele, gussen
Win32-extras10.01Provides missing Win32 API (bsd3, graphics, library, system)2013-11-130.2.0.1KidoTakahiro
Win32-junction-point90.01Support for manipulating NTFS junction points. (bsd3, library, system)2015-03-300.2.1.1MichaelSteele
Win32-notify80.02A binding to part of the Win32 library for file notification (bsd3, library, system)2017-09-120.3.0.3GregWeber, MarkDittmer, NiklasBroberg, PepeIborra
Win32-security20.01Haskell bindings to a security-related functions of the Windows API (library, mit, system)2015-04-060.1.1anton_dessiatov
Win32-services100.02Windows service applications (bsd3, library, system)2019-05-150.4.0.1MichaelSteele, gussen
Win32-services-wrapper70.01Wrapper code for making a Win32 service (bsd3, library, system)2015-05-270.1.3.0GaneshSittampalam
Win32-shortcut20.01Support for manipulating shortcuts (.lnk files) on Windows (bsd3, library, system)2017-01-130.0.1lato
Wired20.01Wire-aware hardware description (bsd3, hardware, language, library)2014-05-060.3EmilAxelsson
WordAlignment40.00Bigram word pair alignments. (gpl, library, linguistics, program)2017-03-140.2.0.0ChristianHoener
WordNet20.01Haskell interface to the WordNet database (bsd3, library, natural-language-processing, text)2013-08-261.1.0JoelTaylor, MaxRabkin
WordNet-ghc7420.01Haskell interface to the WordNet database (bsd3, library, natural-language-processing, text)2013-09-060.1.3JoelTaylor
Wordlint60.01Plaintext prose redundancy linter. (library, program, text)2015-02-270.2.0.4bgbgbg
Workflow52.02Workflow patterns over a monad for thread state logging & recovery (bsd3, control, library, workflow)2015-05-010.8.3AlbertoCorona
WringTwistree20.00Whole-message cipher and tree hash (bsd3, cryptography, library, program)2024-05-310.1.0.0PierreAbbat
WxGeneric20.01Generic (SYB3) construction of wxHaskell widgets (gui, library)2012-12-020.8.1MadsLindstroem
X40.01A light-weight XML library (library, text, xml)2019-11-180.3.1.0HerbertValerioRiedel
X11452.041A binding to the X11 graphics library (bsd3, graphics, library)2022-09-141.10.3DanielWagner, DonaldStewart, PeterJones, PeterSimons, SpencerJanssen, TomasJanousek, psibi, dminuoso, xmonad, TonyZorman
X11-extras10.01Missing bindings to the X11 graphics library (bsd3, graphics, library)2007-10-120.4DonaldStewart, SpencerJanssen
X11-rm22.02A binding to the resource management functions missing from X11. (bsd3, graphics, library)2011-09-060.2TroelsHenriksen
X11-xdamage20.01A binding to the Xdamage X11 extension library (bsd3, graphics, library)2011-05-260.1.2DonaldStewart, EwanHiggs
X11-xfixes10.01A binding to the Xfixes X11 extension library (graphics, library, mit)2011-05-260.1.1reacocard
X11-xft180.06Bindings to the Xft and some Xrender parts (bsd3, graphics, library)2021-12-110.3.4BrentYorgey, ClemensFruhwirth, TomasJanousek, psibi, clefru, xmonad, TonyZorman
X11-xshape20.02A binding to the Xshape X11 extension library (bsd3, graphics, library)2010-04-270.1.1DonaldStewart, EwanHiggs
XAttr (deprecated in favor of linux-xattr)50.01Read, set, and list extended attributes (deprecated, library, system)2013-03-150.1.1NicolaSquartini
XInput20.01Bindings for the DirectX XInput library. (bsd3, library, system)2009-02-230.1ErikCharlebois
XML20.01Extensible Markup Language (bsd3, data, library)2018-08-190.0.1.0
XMLParser52.251A library to parse xml (gpl, library, xml)2019-05-220.1.0.8AlanHawkins
XMMS40.01XMMS2 client library. (library, network, sound)2010-04-010.1.1EvgeniyVodolazskiy
XMPP30.01XMPP library (bsd3, library, network)2009-12-030.1.2GregoriKholomyev, OlegIvanov
XSaiga22.01An implementation of a polynomial-time top-down parser suitable for NLP (attribute-grammars, bsd3, library, memoization, natural-language-processing, parser-combinators, parsing, program, text)2020-10-071.7.0.0InBetweenNames
Xauth70.02A binding to the X11 authentication library (bsd3, graphics, library)2009-01-060.1SpencerJanssen
XmlHtmlWriter32.01A library for writing XML and HTML (bsd3, language, library)2012-05-250.0.0.1MatthewMirman
Xorshift128Plus30.01Pure haskell implementation of xorshift128plus random number generator. (library, math, public-domain)2015-04-140.1.0.1hkanai
YFrob40.01Yampa-based library for programming robots (bsd3, frp, library, reactivity, yampa, yampa-)2010-10-120.4TristanSkudlik
YamlReference160.01YAML reference implementation (library, program, text)2016-02-230.10.0OrenBenKiki
Yampa592.516Elegant Functional Reactive Programming Language for Hybrid Systems (bsd3, frp, library, reactivity)2025-02-280.15IvanPerez, keera_studios_ci
Yampa-core20.01Library for programming hybrid systems. (bsd3, frp, library, reactivity)2015-06-250.2.0NikolayOrlyuk
Yocto (deprecated in favor of yocto)30.01A Minimal JSON Parser & Printer for Haskell (deprecated, library, mit, text)2014-01-270.1.0ajg
Yogurt40.01A MUD client library (bsd3, library, network)2011-06-180.4.1MartijnVanSteenbergen
Z-Botan52.00Crypto for Haskell (bsd3, data, library)2021-06-040.4.0.0winterland
Z-Data72.55Array, vector and text (bsd3, data, library)2024-06-282.0.1.0winterland, lyndward
Z-IO82.04Simple and high performance IO toolkit for Haskell (bsd3, data, library)2022-11-262.0.0.0winterland, lyndward
Z-MessagePack10.00MessagePack (bsd3, data, library)2021-04-250.4.1.0winterland, lyndward
Z-YAML40.00YAML tools (bsd3, data, library)2023-07-160.3.5.0winterland, lyndward
ZEBEDDE (deprecated)20.01Polymer growth simulation method (bsd3, deprecated, library, math)2015-07-290.1.0.0hackrilege
ZFS20.01Oleg's Zipper FS (library, monads, public-domain)2014-11-250.0.2GwernBranwen, jkarni
ZipFold50.01Zipping folds (bsd3, data, library)2009-07-120.1.4ConalElliott
ZipperAG50.01An implementationg of Attribute Grammars using Functional Zippers (bsd3, experimental, library)2014-10-190.9prmartins
Zora110.02Graphing library wrapper + assorted useful functions (bsd3, library, unclassified)2015-05-161.2.0bgwines
Zwaluw30.01Combinators for bidirectional URL routing (bsd3, library, text)2010-11-070.1MartijnVanSteenbergen
aasam12.00Convert distfix precedence grammars to unambiguous context-free grammars. (apache, library, parsing)2022-08-180.2.0.0mobotsar
abacate20.02Parser for a language similar to Cucumber's Gherkin (language, library)2012-08-110.0.0.0MarcoSilva
abcBridge40.01Bindings for ABC, A System for Sequential Synthesis and Verification (bsd3, data, library)2015-12-120.15AaronTomb, KevinQuick, RobertDockins, galoisinc
abcnotation30.02Haskell representation and parser for ABC notation. (bsd3, library, music)2015-06-301.9.0HansHoglund
abeson20.01interconversion between aeson and bson. (data, library, mit)2014-09-190.1.0.1HirotomoMoriwaki
abides20.01Simple boolean tests to see if a value abides by certain properties (bsd3, data, library, testing)2019-09-230.0.1athanclark
abnf40.01Parse ABNF and generate parsers for the specified document (bsd2, library, text)2016-06-200.4.1.0Xandaros
abstract-deque290.08Abstract, parameterized interface to mutable Deques. (bsd3, data-, library)2014-02-050.3RyanNewton
abstract-deque-tests60.01A test-suite for any queue or double-ended queue satisfying an interface (bsd3, data-, library)2014-02-050.3RyanNewton
abstract-par210.011Type classes generalizing the functionality of the 'monad-par' library. (bsd3, control, library, monads, parallelism)2013-11-060.3.3RyanNewton
abstract-par-accelerate40.02Provides the class ParAccelerate, nothing more. (bsd3, library, parallelism)2012-05-140.3.3RyanNewton
abt11.251Abstract binding trees for Haskell (language, library, mit)2015-01-110.1.1.0JonSterling
ac-library-hs211.50Data structures and algorithms (algorithms, data-structures, library, program)2025-03-221.2.3.0toyboot4e
ac-machine10.02Aho-Corasick string matching algorithm in Haskell (bsd3, data, library)2013-09-300.2.0.5YutaTaniguchi
ac-machine-conduit20.01Drive Aho-Corasick machines in Conduit pipelines (bsd3, data, library)2013-09-300.1.0.0YutaTaniguchi
acc102.03Sequence optimized for monoidal construction and folding (library, mit, unclassified)2023-11-290.2.0.3NikitaVolkov
accelerate452.544An embedded language for accelerated array processing (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)2020-08-281.3.0.0ManuelChakravarty, TrevorMcDonell
accelerate-arithmetic60.03Linear algebra and interpolation using the Accelerate framework (bsd3, library, math)2018-03-171.0.0.1HenningThielemann
accelerate-bignum40.01Fixed-length large integer arithmetic for Accelerate (accelerate, bsd3, data, library)2020-08-280.3.0.0TrevorMcDonell
accelerate-blas30.01Numeric Linear Algebra in Accelerate (accelerate, bsd3, library, math)2020-08-280.3.0.0TrevorMcDonell
accelerate-cublas20.01Basic Linear Algebra using native CUBLAS library (bsd3, library, math, program)2017-04-230.1HenningThielemann
accelerate-cuda (deprecated in favor of accelerate-llvm-ptx)30.08Accelerate backend for NVIDIA GPUs (bsd3, compilers-interpreters, concurrency, data, deprecated, library, parallelism)2017-03-310.17.0.0ManuelChakravarty, TrevorMcDonell
accelerate-cufft40.01Accelerate frontend to the CUFFT library (Fourier transform) (bsd3, library, math)2017-12-151.0HenningThielemann
accelerate-examples150.01Examples using the Accelerate library (accelerate, bsd3, library)2020-08-281.3.0.0ManuelChakravarty, TrevorMcDonell
accelerate-fft20.02FFT using the Accelerate library (accelerate, bsd3, library, math)2020-08-281.3.0.0TrevorMcDonell
accelerate-fftw20.01Accelerate frontend to the FFTW library (Fourier transform) (bsd3, library, math)2018-03-171.0.0.1HenningThielemann
accelerate-fourier90.02Fast Fourier transform and convolution using the Accelerate framework (bsd3, library, math)2018-03-171.0.0.5HenningThielemann
accelerate-io50.05Convert between Accelerate arrays and raw pointers (accelerate, bsd3, data, library)2020-08-281.3.0.0ManuelChakravarty, TrevorMcDonell
accelerate-io-JuicyPixels30.00Convert between Accelerate arrays and JuicyPixels images (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
accelerate-io-array20.00Convert between Accelerate and array (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
accelerate-io-bmp10.00Convert between Accelerate arrays and BMP images (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
accelerate-io-bytestring40.03Convert between Accelerate and ByteString (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
accelerate-io-cereal10.00Binary serialisation of Accelerate arrays using cereal (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
accelerate-io-repa10.00Convert between Accelerate and Repa arrays (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
accelerate-io-serialise30.00Binary serialisation of Accelerate arrays using serialise (accelerate, bsd3, data, library)2021-01-050.1.0.0TrevorMcDonell
accelerate-io-vector20.01Convert between Accelerate and vector (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
accelerate-kullback-liebler92.00Kullback-Liebler divergence (accelerate, array, bsd3, library)2020-09-010.1.2.1vmchale
accelerate-llvm70.06Accelerate backend component generating LLVM IR (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)2020-08-281.3.0.0TrevorMcDonell
accelerate-llvm-native100.05Accelerate backend for multicore CPUs (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)2020-08-281.3.0.0TrevorMcDonell
accelerate-llvm-ptx32.05Accelerate backend for NVIDIA GPUs (accelerate, bsd3, compilers-interpreters, concurrency, data, library, parallelism)2020-08-281.3.0.0TrevorMcDonell
accelerate-random (deprecated in favor of mwc-random-accelerate)20.01Generate Accelerate arrays filled with high quality pseudorandom numbers (bsd3, data, deprecated, library)2015-10-160.15.0.0TrevorMcDonell
accelerate-typelits22.01a typesafe way encode accelerate matrices and vectors (library, math)2016-05-170.1.0.0epsilonhalbe
accelerate-utility70.05Utility functions for the Accelerate framework (bsd3, library, parallelism)2018-03-171.0.0.1HenningThielemann
accentuateus10.01A Haskell implementation of the Accentuate.us API. (bsd3, library, web)2011-06-030.9.4MichaelSchade
access-time20.02Cross-platform support for retrieving file access times (bsd3, library, system)2012-02-030.1.0.4MaxBolingbroke
access-token-provider20.01Provides Access Token for Services (bsd3, data, library)2018-05-010.1.1.0mtesseract
accuerr30.01Data type like Either but with accumulating error type (bsd3, development, library)2016-06-180.2.0.2OmariNorman
ace70.01Attempto Controlled English parser and printer (bsd3, library, linguistics)2014-11-280.6ChrisDone
achille30.00A library for building static site generators (library, mit, web)2020-09-270.0.0flupe
acid-state632.527Add ACID guarantees to any serializable Haskell data structure. (database, library, program, public-domain)2023-08-030.16.1.3AdamGundry, AndreasAbel, DavidFox, DavidHimmelstrup, DavidJohnson, JeremyShaw
acid-state-dist20.01A replication backend for acid-state (database, library, mit)2015-08-210.1.0.1maxvoit
acid-state-tls30.01Add TLS support for Data.Acid.Remote (database, library, public-domain)2014-06-300.9.2JeremyShaw
acl230.02Writing and calling ACL2 from Haskell. (bsd3, formal-methods, language, library)2014-10-010.0.1TomHawkins
acme-all-monad20.01A monad which is powerful enough to interpret any action (acme, library, public-domain)2015-06-020.1.0.0PhilFreeman
acme-box30.00A full featured empty project (acme, bsd3, library, program)2015-07-110.0.0.0twebb
acme-cadre40.01car, cdr and more (acme, library, public-domain)2014-09-040.1Jafet
acme-circular-containers40.00Spineless containers which are fast to read but inefficient to update (acme, library)2019-01-170.1.0.0gelisam
acme-cofunctor42.01A Cofunctor is a structure from category theory dual to Functor (acme, bsd3, library)2017-05-130.1.1.0JasperVanDerJeugt
acme-colosson30.01Determines whether it is numberwang. (acme, bsd3, library)2011-10-180.1KeeganMcAllister
acme-comonad10.01A more efficient dualization (bsd3, library, ntrol)2012-12-080.1.0.0JoeQuinn
acme-cuteboy40.00Maybe gives you a cute boy (acme, library, program, public-domain)2018-01-250.1.0.0chessai
acme-cutegirl32.01Maybe gives you a cute girl (acme, gpl, library, program)2014-01-270.2.0.0MateuszKowalczyk
acme-default40.01A class for types with a distinguished aesthetically pleasing value (acme, library)2016-07-250.1.0esz
acme-dont90.02A "don't" construct (acme, bsd3, library)2020-04-011.2GracjanPolak, jack
acme-everything32.250Install everything. (acme, library, public-domain)2018-11-192018.11.18quchen
acme-flipping-tables20.01Stop execution with rage. (acme, bsd3, library)2015-06-300JacobStanley
acme-functors42.01The best applicative functors. (acme, bsd3, library)2022-01-040.1.0.1chris_martin
acme-grawlix30.01More readable names for commonly used symbols (acme, bsd3, library)2015-08-100.1.0.2kadoban
acme-hq9plus20.01An embedded DSL for the HQ9+ programming language (acme, library, public-domain)2012-06-120.1JoeyAdams
acme-http20.01fastest Haskell PONG server in the world (bsd3, library, program, web)2016-08-050.2.3JeremyShaw
acme-inator30.01Evil inventions in the Tri-State area (acme, library, program, public-domain)2012-02-100.1.0.0MarkLentczner
acme-io20.01The only true way to do IO in Haskell! (acme, library)2014-10-300.1.0.1benzrf
acme-iot20.01IO monad transformer (control, library, mit)2016-08-130.1.0.1mniip
acme-kitchen-sink10.01A place for dumping that does-not-feel-right code while you improve it (bsd3, library, other)2017-02-210.1.0.0marcosdumay
acme-left-pad12.01free your haskell from the tyranny of npm! (agpl, library, text)2016-03-303.0JoeQuinn
acme-lolcat30.01LOLSPEAK translator (acme, bsd3, library)2015-04-060.1.1AntonNikishaev
acme-lookofdisapproval40.01Express your disapproval (acme, bsd3, library)2013-07-170.1AntonNikishaev
acme-memorandom20.01Memoized random number generation (acme, library, mit)2015-05-150.0.3ion
acme-microwave60.01The eighth wonder of the world, kitchen math! (acme, bsd3, library)2015-02-070.1.0.2JoeQuinn
acme-miscorder10.01Miscellaneous newtypes for orderings of discutable use. (acme, library, public-domain)2015-02-260.1.0.0LoicArjanen
acme-missiles82.01Cause serious international side effects. (acme, library, public-domain)2012-04-150.3JoeyAdams
acme-mutable-package (deprecated)22.51A mutable package. (acme, deprecated, library, mit)2018-01-010fozworth, Hackage
acme-not-a-joke20.00implements ACME clients (rfc-8555) (bsd3, library, security)2024-04-230.1.0.0LucasDiCioccio
acme-now10.01An interface to the philosophical and metaphysical "now" (acme, library, public-domain)2009-07-161.0.0.1SjurGjoesteinKarevoll
acme-numbersystem40.01Define the less than and add and subtract for nats (acme, bsd3, library)2014-01-090.3.0.0MaxwellSwadling
acme-omitted40.01A name for omitted definitions (acme, bsd3, library)2016-08-193.0.0.0JoachimFasting
acme-one40.01The identity element of package dependencies (acme, library, public-domain)2015-06-210.0.2ion
acme-operators12.251Operators of base, all in one place! (bsd3, documentation, library)2015-07-150.2.0.0phadej
acme-php10.01The flexibility of Haskell and the safety of PHP (acme, bsd3, library)2016-04-200.0.5JoeQuinn
acme-pointful-numbers40.01Make more than one point in numeric literals (acme, bsd3, library)2014-05-070.1.2.4AntonNikishaev
acme-realworld50.01Primitives for manipulating the state of the universe (acme, bsd3, library)2011-12-090.1.1JoeyAdams
acme-safe11.251Safe versions of some infamous haskell functions such as fromJust (acme, library)2015-05-020.1.0.0fgaz
acme-schoenfinkel52.01Proper names for curry and uncurry (acme, bsd3, library)2013-08-300.1.1ErtugrulSoeylemez, esz
acme-smuggler30.01Smuggle arbitrary values in arbitrary types (acme, bsd3, library)2018-10-021.1.1.0benc
acme-strfry10.01A binding to the glibc strfry function. (acme, bsd3, library)2012-01-260.1ElliottHird
acme-stringly-typed30.01Stringly Typed Programming (acme, bsd3, library)2014-08-291.0.0.0SvenStruett
acme-strtok40.01A Haskell port of the C/PHP strtok function (acme, library, public-domain)2014-11-270.1.0.3eberlm
acme-this10.00import This (bsd3, library, this)2019-04-170.1.0.0TobiasDammers
acme-timemachine80.01An easy way to perform and unperform IO and other stateful actions. (acme, bsd3, library)2015-06-090.0.1.0mniip
acme-year51.751Get the current year (acme, library, public-domain)2024-05-012024JoeyAdams
acme-zalgo22.251A somewhat flexible Zalgo̐ te̳͜x̥̖̉̓͞t̍̌̔ ̀̃t̴̢̞̜͓̝r̶̬̆̂̒͟á̧̡͎͔̯̰̕n̹̾̓ͬͦ̍͘ṡ̢͓͉ͮ͆l̠̖̹̗̳̖̽̌ͤ͞a͚̭͙̹̲ͭͩt͈͐o̢̭͇͍̟͐ͬ̾ͪ͜r͇.̸̅ͭ̐̀̊ͨ͛ (acme, library, mit)2018-02-250.1.2.1AntonEkblad
acme-zero22.00The absorbing element of package dependencies (acme, library, public-domain)2015-06-210.0.2ion
acousticbrainz-client20.00AcousticBrainz API client (library, unclassified)2019-04-100.1.0.0koral
acquire30.05Abstraction over management of resources (library, mit, resources)2024-10-310.3.6NikitaVolkov, effectfully, IrinaArtemeva, vlastachu
action-permutations100.03Execute a set of actions (e.g. parsers) in each possible order (bsd3, control, library)2014-04-110.0.0.1RossPaterson
active710.03Abstractions for animation (bsd3, data, library)2023-12-150.2.1BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
activehs-base20.01Basic definitions for activehs (bsd3, documentation, education, library)2016-05-240.3.0.4PeterDivianszky, lspitzner, GaborPali, gombocarti
activitypub30.01ActivityPub Haskell Library (bsd3, library, web)2018-09-160.1.0.0LukeHoersten
activitystreams-aeson50.01An interface to the ActivityStreams specification (bsd3, codec, library)2016-02-210.2.0.2gdritter
actor10.01Actors with multi-headed receive clauses (bsd3, concurrency, library)2008-10-220.1.1MartinSulzmann
acts30.00Semigroup actions and torsors. (algebra, bsd3, library, math)2025-02-030.3.1.2sheaf
ad312.525Automatic Differentiation (bsd3, library, math)2024-05-014.5.6EdwardKmett, EricMertens, ryanglscott
ad-delcont162.250Reverse-mode automatic differentiation with delimited continuations (bsd3, library, machine-learning, math, numeric, optimisation, optimization)2023-07-030.5.0.0ocramz
adaptive-containers40.01Self optimizing container types (bsd3, data, library)2009-04-110.3DonaldStewart
adaptive-cubature40.00Multidimensional integration (gpl, library, numerical)2023-09-150.1.1.0stla
adaptive-tuple40.01Self-optimizing tuple types (bsd3, data, library)2010-03-160.2.0JohnLato
adb20.01Android Debug Bridge (ADB) protocol (bsd3, library, network)2018-05-220.1.0.1StephenBlackheath
addy20.00A full-featured library for parsing, validating, and rendering email addresses (bsd2, library, text)2020-10-290.1.0.1PeterJones
adhoc-fixtures30.01Manage fine grained fixtures (data, library)2022-12-310.1.0.1gdifolco
adhoc-fixtures-hspec20.00Manage fine grained fixtures (data, library)2022-12-310.1.0.1gdifolco
adhoc-network30.02Ad-hoc P2P network protocol (library, network)2008-04-281.0.3GwernBranwen, StephanFriedrichs
adict30.02Approximate dictionary searching (bsd3, library, natural-language-processing)2013-07-230.4.1JakubWaszczuk
adjunction10.00See README for more info (adjunctions, bsd3, library, math)2020-02-010.0.0.0
adjunctions1982.2564Adjunctions and representable functors (adjunctions, bsd2, bsd3, data-structures, library)2025-03-034.4.3EdwardKmett, EricMertens, ryanglscott, AaronVargo
adler32102.01An implementation of Adler-32, supporting rolling checksum operation (bsd3, cryptography, hash, library)2018-03-150.1.2.0MariosTitas
adobe-swatch-exchange40.01parse Adobe Swatch Exchange files and (optionally) output .css files with the colors (bsd3, library, program, web)2013-04-120.2.0JeremyShaw
adp-multi20.02ADP for multiple context-free languages (algorithms, bioinformatics, bsd3, data-structures, library)2013-05-290.2.3MaikRiechert
adp-multi-monadiccp40.01Subword construction in adp-multi using monadiccp (algorithms, bioinformatics, bsd3, data-structures, library)2013-05-290.2.1MaikRiechert
adtrees10.00Modelling, rendering and quantitative analysis on attack defense trees (gpl, language, library)2019-02-230.1.0.0umazalakain
advent-of-code-api122.00Advent of Code REST API bindings and servant API (bsd3, library, web)2023-12-120.2.9.1jle
advent-of-code-ocr60.00Parse Advent of Code ASCII art letters (bsd3, library, program, text)2022-12-140.1.2.1jle
aern2-fun20.01Generic operations for real functions (bsd3, library, math)2022-07-140.2.9.0MichalKonecny
aern2-mfun10.02Multi-variate real function optimisation and proving (bsd3, library, math, program)2022-07-140.2.9.0MichalKonecny
aern2-mp80.05Multi-precision ball (interval) arithmetic (bsd3, library, math)2024-10-050.2.16.1MichalKonecny
aern2-real100.01Real numbers as convergent sequences of intervals (bsd3, library, math)2024-10-050.2.16.1MichalKonecny
aeson4173.02348Fast JSON parsing and encoding (bsd3, json, library, text, web)2024-06-112.2.3.0AdamBergmark, BasVanDijk, BryanOSullivan, HerbertValerioRiedel, phadej, lyxia
aeson-applicative20.01make To/From JSOn instances from an applicative description (data, library, mit)2015-06-240.1.0.0GregWeber
aeson-attoparsec70.02Embed an Attoparsec text parser into an Aeson parser (bsd3, library, web)2017-11-150.0.0athanclark
aeson-better-errors140.012Better error messages when decoding JSON values. (json, library, mit, text, web)2022-03-070.9.1.1hdgarrood
aeson-bson10.01Mapping between Aeson's JSON and Bson objects. (data, library)2013-05-240.3.0AlfredoDiNapoli
aeson-casing170.040Tools to change the formatting of field names in Aeson instances. (data, library, mit)2019-03-280.2.0.0andrewrademacher
aeson-coerce30.01Initial project template from stack (bsd3, library, web)2016-06-210.1.0.0angerman
aeson-combinators200.00Aeson combinators for dead simple JSON decoding (bsd3, json, library, text, web)2023-12-290.1.2.1MarekFajkus
aeson-commit50.00Parse Aeson data with commitment (bsd3, json, library, text, web)2022-06-161.6.0jonascarpay
aeson-compat (deprecated in favor of aeson)120.08Compatibility layer for aeson (bsd3, deprecated, library, web)2021-10-090.3.10phadej
aeson-decode10.01Easy functions for converting from Aeson.Value (apache, json, library)2023-03-010.1.0.1chris_martin, Monoid_Mary
aeson-default60.01Apply default value to FromJSON instacnes' Maybe fields (bsd3, default, hkd, json, library)2020-02-040.9.1.0gqk007
aeson-dependent-sum10.00JSON encoding/decoding for dependent-sum (data, dependent-types, gpl, json, library)2022-08-270.1.0.1jack
aeson-deriving50.00data types for compositional, type-directed serialization (library, mit, serialization)2020-10-100.1.1.2Cliff_Harvey
aeson-diff212.06Extract and apply patches to JSON documents. (algorithms, bsd3, json, library, program, web)2022-05-261.1.0.13ThomasSutton, clintonmead, clinton, janus, velveteer
aeson-diff-generic30.01Apply a json-patch to any haskell datatype. (bsd3, json, library, web)2018-04-170.0.3KristofBastiaensen
aeson-extra220.011Extra goodies for aeson (aeson, bsd3, data, library)2023-07-090.5.1.3phadej
aeson-filthy20.02Several newtypes and combinators for dealing with less-than-cleanly JSON input. (bsd3, json, library, text, web)2019-12-080.1.4AlecHeller
aeson-flat40.01Tools for creating flat JSON serializations (bsd3, library, web)2017-04-110.1.1seanhess
aeson-flatten40.01JSON flatten for Aeson (bsd3, json, library, text, web)2016-05-030.1.0.2JiriMarsicek
aeson-flowtyped40.01Create Flow or TypeScript type definitions from Haskell data types. (bsd3, library, web)2023-01-130.14.0MikeLedger
aeson-gadt-th92.02Derivation of Aeson instances for GADTs (bsd3, json, library)2025-01-180.2.5.4CaleGibbard, JohnEricson, RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
aeson-generic-compat70.01Compatible generic class names of Aeson (bsd3, library, text)2023-11-240.0.2.0KeiHibino
aeson-generic-default40.00Type-level default fields for aeson Generic FromJSON parser (bsd3, json, library, text, web)2024-10-090.1.1.0ondrap
aeson-generics-typescript40.01Generates TypeScript definitions that match Generic Aeson encodings (bsd3, library, program, web)2023-12-130.0.0.1fresheyeball
aeson-helper50.02Aeson helper func (aeson, bsd3, data, library)2022-04-240.2.0.0Lupino
aeson-injector302.07Injecting fields into aeson values (data, json, library, mit, web)2023-11-212.0.0.0NCrashed
aeson-iproute60.02Aeson instances for iproute types (bsd3, data, library)2022-05-080.3.0sickmind, MaxGabriel
aeson-json-ast70.01Integration layer for "json-ast" and "aeson" (library, mit, unclassified)2016-11-160.1.1NikitaVolkov
aeson-jsonpath132.00Parse and run JSONPath queries on Aeson documents (json, library, mit, text, web)2025-02-190.3.0.2taimoorzaeem
aeson-lens70.05Lens of Aeson (bsd3, data, library)2013-02-140.5.0.0HideyukiTanaka
aeson-match-qq30.00Declarative JSON matchers. (bsd2, library, web)2023-07-191.7.0MatveyAksenov
aeson-modern-tojson30.00Provide a handy way for derving ToJSON proprely. (json, library, text, web)2022-07-260.2.0.0gdifolco
aeson-native (deprecated in favor of aeson)30.010Fast JSON parsing and encoding (deprecated) (bsd3, deprecated, json, library, text, web)2012-01-190.3.3.2MichaelSnoyman
aeson-optics200.04Law-abiding optics for aeson (data, json, library, mit, optics)2023-06-271.2.1phadej
aeson-options (deprecated)30.03Options to derive FromJSON/ToJSON instances (data, deprecated, json, library, mit)2018-10-010.1.0serokell
aeson-parsec-picky30.01Alternative JSON parser based on Parsec and Aeson (bsd3, json, library, text)2015-12-110.1.0.1MatejKollar
aeson-picker50.01Tiny library to get fields from JSON format (bsd3, json, library, text, web)2022-03-230.1.0.6ozzzzz, maksbotan
aeson-possible30.00Possible values for aeson (bsd3, data, json, library, web)2024-06-270.1.0.1jonathanjouty
aeson-prefix20.01Hiearchical prefixing for aeson (bsd3, json, library, text, web)2016-04-170.1.0.2JiriMarsicek
aeson-pretty1132.25144JSON pretty-printing library and command-line tool. (bsd3, json, library, pretty-printer, text, web)2023-07-010.8.10FalkoPeters, martijnbastiaan
aeson-qq222.012JSON quasiquoter for Haskell (json, library, mit)2021-10-110.8.4OscarFinnsson, SimonHengel
aeson-quick50.01Quick JSON extractions with Aeson (bsd3, json, library)2022-05-020.2.0ssadler
aeson-result40.02API Result for aeson (aeson, api, bsd3, library, web)2022-04-240.2.0.0Lupino
aeson-schema40.01Haskell JSON schema validator and parser generator (data, library, mit)2020-04-090.4.2.0MateuszKowalczyk, TimBaumann, ChristianMarie, ocramz
aeson-schemas92.01Easily consume JSON data on-demand with type-safety (bsd3, json, library, quasiquoters)2025-01-191.4.3.0brandonchinn178
aeson-serialize40.01Simple serialization functions for aeson types (bsd3, library, unclassified)2014-08-010.0.0KevinCotrone
aeson-single-field12.00Conveniently wrap a single value in a record when encoding to and from JSON (json, library, mit, text, web)2022-06-120.1.0.0edwardwas
aeson-smart22.01Smart derivation of Aeson instances (library, mit, web)2012-08-170.2.0.0SamAnklesaria
aeson-streams20.01An HTTP client library for JSON-based APIs (bsd3, library, web)2014-12-060.1.0VoMinhThu
aeson-t20.01Transform JSON (data, library, mit)2015-04-280.0.5begriffs
aeson-tiled60.00Aeson instances for the Tiled map editor. (bsd3, game-engine, library)2023-11-080.0.2.3AlexanderBondarenko, SchellScivally
aeson-toolkit30.01A generalization of Aeson over Failure (json, library, mit, text, web)2013-12-070.0.1SimonHengel
aeson-typescript230.02Generate TypeScript definition files from your ADTs (bsd3, json, library, text, web)2024-11-010.6.4.0thomasjm
aeson-unqualified-ast80.00Aliases to "aeson" AST making it importable unqualified (library, mit, unclassified)2023-10-111.0.0.3NikitaVolkov
aeson-utils10.04Utilities for working with Aeson. (bsd3, data, library)2015-05-250.3.0.2AdamBergmark, ErikHesselink
aeson-value-parser400.02API for parsing "aeson" JSON tree into Haskell types (data, json, library, mit, parsing)2023-12-090.19.7.2NikitaVolkov
aeson-via20.00Wrappers to derive-via Aeson ToJSON/FromJSON typeclasses (bsd3, data, library)2025-02-060.2.3ejconlon
aeson-warning-parser150.02Library providing JSON parser that warns about unexpected fields in objects. (bsd3, json, library)2023-12-070.1.1MichaelSnoyman, fpcomplete, mpilgrem
aeson-with20.01withXField combinators for aeson (aeson, data, library, mit)2020-08-090.1.2.0locallycompact
aeson-yak60.01Handle JSON that may or may not be a list, or exist (data, library, mit)2017-12-200.1.1.3tejon
aeson-yaml151.51Output any Aeson value as YAML (pure Haskell library) (bsd3, json, library, text, web, yaml)2021-11-131.1.0.1patrick, janey
affection40.01A simple Game Engine using SDL (game, lgpl, library)2018-09-250.0.0.9nek0
affine40.01Affine spaces (generalized) (bsd3, library, math)2018-05-170.1.1.0
affine-invariant-ensemble-mcmc (deprecated in favor of flat-mcmc)30.01General-purpose sampling (bsd3, deprecated, library, machine-learning, numerical, statistics)2012-09-260.2.0.0JaredTobin
affinely-extended50.01 (data, library, mit)2017-04-050.1.0.0clinton
afis40.01Anti-forensic Information Splitter (bsd3, cryptography, data, library)2013-10-280.1.2VincentHanquez
aftovolio160.01An AFTOVolio implementation for creating texts with special phonetic / prosodic properties. (aftovolio, language, library, math, mit, music, poetry, program, rhythmicity)2025-02-240.7.1.0OleksandrZhabenko
agda-language-server80.00An implementation of language server protocal (LSP) for Agda 2. (development, library, mit, program)2023-11-230.2.6.3.0AndreasAbel, banacorn
agda-snippets (deprecated in favor of Agda)20.01Render just the Agda snippets of a literate Agda file to HTML (bsd3, dependent-types, deprecated, library, program)2017-06-042.5.2LiamOConnorDavis
agda-snippets-hakyll (deprecated in favor of Agda)60.01Literate Agda support using agda-snippets, for Hakyll pages. (bsd3, dependent-types, deprecated, library)2017-06-040.1.2.2LiamOConnorDavis
agda-unused20.00Check for unused code in an Agda project. (dependent-types, library, mit, program)2022-11-260.3.0msuperdock
agda2train10.00Agda backend to generate training data for machine learning purposes. (agda, bsd3, library, machine-learning, program)2023-10-170.0.3.0omelkonian
agentx20.01AgentX protocol for write SNMP subagents (bsd3, library, network)2015-06-150.2.0.0chemist
agreeing50.00Idiomatic data structure for agreement (bsd3, data, library)2023-11-060.2.2.0jcranch
agum30.01Unification and Matching in an Abelian Group (algebra, library, program)2019-10-172.8JohnRamsdell
aig40.02And-inverter graphs in Haskell. (bsd3, data, library)2018-06-120.2.6AaronTomb, KevinQuick, RobertDockins, galoisinc
aip20.00Aeronautical Information Package (AIP) (aviation, bsd3, data, library, program)2019-03-040.1.3qfpl
air50.017air (bsd3, development, library)2015-05-032015.5.4JinjingWang
air-extra30.06air-extra (bsd3, development, library)2015-05-032015.5.4JinjingWang
air-spec30.02air spec helper (bsd3, development, library)2013-07-012013.7.1JinjingWang
air-th20.06air (bsd3, development, library)2014-11-172014.11.17JinjingWang
airbrake40.01An Airbrake notifier for Haskell (bsd3, library, network)2014-06-080.2.0.0JoelTaylor
airgql32.01Automatically generate a GraphQL API for an SQLite database (agpl, cli-tool, database, graphql, library, servant, sql, sqlite, web)2024-06-080.7.1.3adrian
airship40.01A Webmachine-inspired HTTP library (library, mit, web)2022-04-110.9.5lambda_foo, reiddraper, patrick_thomson
airtable-api30.01Requesting and introspecting Tables within an Airtable project. (bsd3, library, web)2017-03-100.3.2.4ooblahman
aivika252.09A multi-method simulation library (bsd3, library, simulation)2024-06-296.1.1DavidSorokin
aivika-branches110.01Nested discrete event simulation module for the Aivika library (bsd3, library, simulation)2024-06-290.4.1DavidSorokin
aivika-distributed210.01Parallel distributed discrete event simulation module for the Aivika library (bsd3, library, simulation)2024-06-291.5.1DavidSorokin
aivika-experiment410.04Simulation experiments for the Aivika library (bsd3, library, simulation)2024-06-295.4.1DavidSorokin
aivika-experiment-cairo50.01Cairo-based charting backend for the Aivika simulation library (bsd3, library, simulation)2023-10-145.4.1DavidSorokin
aivika-experiment-chart190.03Simulation experiments with charting for the Aivika library (bsd3, library, simulation)2023-10-145.4.1DavidSorokin
aivika-experiment-diagrams150.01Diagrams-based charting backend for the Aivika simulation library (bsd3, library, simulation)2023-10-145.4.1DavidSorokin
aivika-gpss30.01GPSS-like DSL for Aivika (bsd3, library, simulation)2023-10-140.7.1DavidSorokin
aivika-lattice60.01Nested discrete event simulation module for the Aivika library using lattice (bsd3, library, simulation)2023-10-140.7DavidSorokin
aivika-realtime40.01Soft real-time simulation module for the Aivika library (bsd3, library, simulation)2023-10-140.4DavidSorokin
aivika-transformers490.07Transformers for the Aivika simulation library (bsd3, library, simulation)2024-06-296.1.1DavidSorokin
ajhc12.01Haskell compiler that produce binary through C language (compiler, gpl, library, program)2013-12-180.8.0.10KiwamuOkabe
al100.01OpenAL 1.1 raw API. (bsd3, library, sound)2018-03-170.1.4.2DimitriSabadie
alarmclock110.02Wake up and perform an action at a certain time. (bsd3, concurrency, library)2024-10-290.7.0.7dcturner, dten
alerta40.01Bindings to the alerta REST API (api, bsd3, library, monitoring, web)2017-11-120.1.0.6MarkHopkins
alerts30.01Alert messages for web applications (bsd3, library, web)2019-06-280.1.2.0alx741, DanielCampoverde
alex-meta170.02Quasi-quoter for Alex lexers (bsd3, development, library)2021-03-130.3.0.13JonasDuregard, ArtemPelenitsyn
alex-prelude30.01Collection of useful functions for writing console applications (bsd3, library, system)2017-09-120.1.1.1AlexSayers
alex-tools90.03A set of functions for a common use case of Alex. (development, library)2023-05-230.6.1EricMertens, IavorDiatchki, TrevorElliott, ryanglscott, galoisinc
alfred30.01utility library for Alfred version 2 (bsd3, library, utils)2015-05-170.5PatrickBahr
alfred-margaret140.02Fast Aho-Corasick string searching (bsd3, data, library, program, text)2024-09-062.1.0.2fatho, rkrzr
alg (deprecated)90.08Algebraic structures (bsd3, deprecated, library, math)2019-12-240.2.13.1
alga (deprecated)20.00Algorithmic automation for various DAWs (deprecated, gpl, language, library, program)2016-09-100.2.2mrkkrp
algebra110.012Constructive abstract algebra (algebra, bsd3, library, math)2017-12-254.3.1EdwardKmett, HiromiIshii, WolfgangJeltsch
algebra-checkers20.00Model and test API surfaces algebraically (bsd3, library, model)2022-11-190.1.0.1isovector
algebra-dag20.04Infrastructure for DAG-shaped relational algebra plans (bsd3, database, library)2015-05-290.1.1.1AlexUlrich2
algebra-driven-design50.00Companion library for the book Algebra-Driven Design by Sandy Maguire (book, bsd3, library)2020-09-010.1.1.1isovector
algebra-sql20.03Relational Algebra and SQL Code Generation (bsd3, database, library, program)2015-05-290.3.0.0AlexUlrich2
algebraic10.01General linear algebra structures. (algebra, bsd3, library, math)2014-06-170.1.0.2danilo2, Korri, MarcinMikolajczyk, iamrecursion
algebraic-classes170.02Conversions between algebraic classes and F-algebras. (bsd3, data, generics, library, math)2020-01-060.9.4SjoerdVisscher
algebraic-graphs652.7523A library for algebraic graph construction and transformation (algebra, algorithms, data-structures, graphs, library, mit)2022-06-200.7snowleopard
algebraic-graphs-io120.00I/O utilities and datasets for algebraic-graphs (bsd3, data-mining, graphs, library, parsing)2022-08-260.5.0.1ocramz
algebraic-prelude42.01Algebraically structured Prelude (bsd3, library, web)2017-12-010.1.1.0HiromiIshii
algo-s10.00An implementation of Knuth's algorithm S. (apache, data, library, program)2016-08-160.1.0.0EricRochester
algolia20.01A client implementing the Algolia search API (bsd3, library, web)2018-06-250.1.0.0IanDuncan
algorithmic-composition-additional50.00Helps to create experimental music from a file (or its part) and a Ukrainian text. (Ukrainian, algorithmic-composition, language, library, mit, music, program, sound, sox)2022-08-170.2.0.0OleksandrZhabenko
algorithmic-composition-basic280.04Helps to create experimental music from a file (or its part) and a Ukrainian text. (Ukrainian, algorithmic-composition, language, library, mit, music, sound, sox)2022-08-170.6.0.0OleksandrZhabenko
algorithmic-composition-complex70.00Helps to create more complex experimental music from a file (especially timbre). (Ukrainian, algorithmic-composition, library, mit, music, sound, sox)2022-08-170.2.0.0OleksandrZhabenko
algorithmic-composition-frequency-shift30.00Helps to create experimental music. Uses SoX inside. (algorithmic-composition, library, mit, music, sound, sox)2021-02-240.1.0.0OleksandrZhabenko
algorithmic-composition-overtones40.00Some variants of the overtones functions to generate a timbre. (algorithmic-composition, audio, library, mit, sound, sox, timbre)2022-02-190.1.1.0OleksandrZhabenko
align60.01Sequence alignment algorithms. (bsd3, data, library)2015-07-160.1.1.2literon
align-affine20.00Sequence alignment with an affine gap penalty model (bsd3, data, library)2021-11-260.1.0.0CharlesLi
aligned-foreignptr60.01An aligned ForeignPtr type (foreign, library, public-domain, system)2010-08-010.1BalazsKomuves
alignment30.00Zip-alignment (bsd3, data, library)2023-10-050.1.0.4TonyMorris
alist40.00lists with O(1) append (bsd3, data, library)2019-08-030.1.2.7AlanHawkins
allen12.00A monadic way of calculating relations between intervals of time. (algebra, bsd3, library, program)2023-09-060.1.0.0archaversine
allocated-processor70.04Functional combinators for monadic actions that require allocation and de-allocation (bsd3, control, library)2010-05-230.0.2NoamLewis
alloy40.02Generic programming library (bsd3, generics, library)2016-03-061.2.2MattGlazar, NeilBrown
alloy-proxy-fd40.01Some add-on instances for the Alloy library (bsd3, generics, library)2009-06-081.0.0NeilBrown
ally-invest20.00Ally Invest integration library (bsd3, finance, library)2020-08-300.1.0.0VladLevenfeld
almost-fix60.01Recurse while a predicate is satisfied (bsd3, library, unclassified)2015-07-240.0.2athanclark
alpaca-netcode22.00Rollback/replay NetCode for realtime, deterministic, multiplayer games. (apache, game-engine, library, network)2021-04-020.1.0.0DavidEichmann
alphachar20.02A character between a-z (bsd3, data, library)2023-11-090.0.5TonyMorris, qfpl
alpino-tools (deprecated)10.01Alpino data manipulation tools (data, deprecated, library, natural-language-processing, program)2012-04-070.2.0DanielDeKok
alsa (deprecated in favor of alsa-seq, alsa-pcm, alsa-core)20.02Binding to the ALSA Library API. (bsd3, deprecated, library, music, sound)2009-12-290.4HenningThielemann
alsa-core140.011Binding to the ALSA Library API (Exceptions). (bsd3, library, music, sound)2012-04-270.5.0.1HenningThielemann
alsa-midi (deprecated in favor of alsa-seq)20.02Bindings for the ALSA sequencer API (MIDI stuff) (deprecated, library, music, program, sound)2010-09-200.4.0.1HenningThielemann
alsa-mixer230.06Bindings to the ALSA simple mixer API. (bsd3, library, sound)2023-12-100.3.0.1ThomasTuegel
alsa-pcm60.04Binding to the ALSA Library API (PCM audio). (bsd3, library, music, sound)2018-08-310.6.1.1HenningThielemann
alsa-seq62.08Binding to the ALSA Library API (MIDI sequencer). (bsd3, library, music, sound)2023-02-150.6.0.9HenningThielemann
altcomposition10.01Alternative combinators for unorthodox function composition (bsd3, data, library)2016-07-260.2.3.0jcristovao
alternative-extra40.01Extra utilities for alternatives (bsd3, control, library)2017-02-200.1.0.0marcosdumay
alternative-io (deprecated in favor of io-choice)30.02IO as Alternative instance (deprecated) (bsd3, data, deprecated, library)2012-04-230.0.1KazuYamamoto
alternative-vector70.01Use vectors instead of lists for many and some (bsd3, library, web)2017-10-110.0.0athanclark
alternators90.03Handy functions when using transformers. (bsd3, control, library)2018-07-021.0.0.0louispan
altfloat10.01Alternative floating point support for GHC. (library, numerical)2010-02-210.3.1NickBowler
alto20.00Implement a menu experience fit for web users. (bsd3, library, program, web)2018-04-020davean
altsvc20.00HTTP Alternative Services (bsd3, library, network, web)2019-11-240.1.0.0OlivierCheron
alure10.01A Haskell binding for ALURE (library, sound)2010-10-040.1CarlJoachimSvenn
always30.00provides a typeclass that is always satisfied (bsd3, data, library)2021-01-130.1chessai
amazon-emailer-client-snap (deprecated in favor of hworker-ses)70.01Client library for amazon-emailer daemon (bsd3, deprecated, library, network)2014-07-200.1.1.1DanielPatterson
amazon-products20.01Connector for Amazon Products API (library, mit, program, web)2014-07-090.1.0.1andrewrademacher
amazonka812.549Comprehensive Amazon Web Services SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-accessanalyzer20.00Amazon Access Analyzer SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-account10.00Amazon Account SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-alexa-business60.01Amazon Alexa For Business SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-amp20.00Amazon Prometheus Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-amplify10.00Amazon Amplify SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-amplifybackend10.00Amazon AmplifyBackend SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-amplifyuibuilder10.00Amazon Amplify UI Builder SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-apigateway50.01Amazon API Gateway SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-apigatewaymanagementapi20.00Amazon ApiGatewayManagementApi SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-apigatewayv220.00Amazon ApiGatewayV2 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-appconfig20.00Amazon AppConfig SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-appconfigdata10.00Amazon AppConfig Data SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-appflow10.00Amazon Appflow SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-appintegrations10.00Amazon AppIntegrations Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-application-autoscaling190.01Amazon Application Auto Scaling SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-application-insights30.00Amazon CloudWatch Application Insights SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-applicationcostprofiler30.00Amazon Application Cost Profiler SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-appmesh20.00Amazon App Mesh SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-apprunner20.00Amazon App Runner SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-appstream80.01Amazon AppStream SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-appsync30.01Amazon AppSync SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-arc-zonal-shift30.00Amazon ARC - Zonal Shift SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-athena80.01Amazon Athena SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-auditmanager10.00Amazon Audit Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-autoscaling560.03Amazon Auto Scaling SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-autoscaling-plans50.01Amazon Auto Scaling Plans SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-backup10.00Amazon Backup SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-backup-gateway10.00Amazon Backup Gateway SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-backupstorage10.00Amazon Backup Storage SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-batch60.01Amazon Batch SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-billingconductor10.00Amazon BillingConductor SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-braket10.00Amazon Braket SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-budgets60.01Amazon Budgets SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-certificatemanager120.01Amazon Certificate Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-certificatemanager-pca80.01Amazon Certificate Manager Private Certificate Authority SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-chime10.00Amazon Chime SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-chime-sdk-identity30.00Amazon Chime SDK Identity SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-chime-sdk-media-pipelines40.00Amazon Chime SDK Media Pipelines SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-chime-sdk-meetings20.00Amazon Chime SDK Meetings SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-chime-sdk-messaging20.00Amazon Chime SDK Messaging SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-chime-sdk-voice30.00Amazon Chime SDK Voice SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloud950.01Amazon Cloud9 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudcontrol10.00Amazon Cloud Control API SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-clouddirectory60.01Amazon CloudDirectory SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudformation590.04Amazon CloudFormation SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudfront600.01Amazon CloudFront SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudhsm380.01Amazon CloudHSM SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudhsmv270.01Amazon CloudHSM V2 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudsearch550.01Amazon CloudSearch SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudsearch-domains1110.01Amazon CloudSearch Domain SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudtrail130.01Amazon CloudTrail SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudwatch160.03Amazon CloudWatch SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudwatch-events140.01Amazon EventBridge SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cloudwatch-logs640.01Amazon CloudWatch Logs SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codeartifact20.00Amazon CodeArtifact SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codebuild60.01Amazon CodeBuild SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codecommit90.01Amazon CodeCommit SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codedeploy130.01Amazon CodeDeploy SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codeguru-reviewer20.00Amazon CodeGuru Reviewer SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codeguruprofiler20.00Amazon CodeGuru Profiler SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codepipeline290.01Amazon CodePipeline SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codestar70.01Amazon CodeStar SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codestar-connections30.00Amazon CodeStar connections SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-codestar-notifications30.00Amazon CodeStar Notifications SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cognito-identity610.01Amazon Cognito Identity SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cognito-idp120.01Amazon Cognito Identity Provider SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cognito-sync560.01Amazon Cognito Sync SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-comprehend40.01Amazon Comprehend SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-comprehendmedical20.00Amazon Comprehend Medical SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-compute-optimizer20.00Amazon Compute Optimizer SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-config560.01Amazon Config SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-connect60.01Amazon Connect Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-connect-contact-lens30.00Amazon Connect Contact Lens SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-connectcampaigns10.00Amazon ConnectCampaignService SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-connectcases10.00Amazon Connect Cases SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-connectparticipant20.00Amazon Connect Participant Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-contrib-rds-utils40.00A Haskell equivalent of "aws rds generate-db-auth-token" (aws, library, mpl, program)2021-12-121.6.1.1avanov
amazonka-controltower10.00Amazon Control Tower SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-core792.5377Core data types and functionality for Amazonka libraries. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cost-explorer50.01Amazon Cost Explorer Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-cur70.01Amazon Cost and Usage Report Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-customer-profiles20.00Amazon Connect Customer Profiles SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-databrew20.00Amazon Glue DataBrew SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-dataexchange10.00Amazon Data Exchange SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-datapipeline590.01Amazon Data Pipeline SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-datasync10.00Amazon DataSync SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-detective20.00Amazon Detective SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-devicefarm140.01Amazon Device Farm SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-devops-guru20.00Amazon DevOps Guru SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-directconnect560.01Amazon Direct Connect SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-discovery150.01Amazon Application Discovery Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-dlm20.00Amazon Data Lifecycle Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-dms70.01Amazon Database Migration Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-docdb20.00Amazon DocumentDB with MongoDB compatibility SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-docdb-elastic20.00Amazon DocumentDB Elastic Clusters SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-drs10.00Amazon Elastic Disaster Recovery Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ds30.01Amazon Directory Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-dynamodb550.05Amazon DynamoDB SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-dynamodb-dax70.01Amazon DynamoDB Accelerator (DAX) SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-dynamodb-streams420.01Amazon DynamoDB Streams SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ebs20.00Amazon Elastic Block Store SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ec2110.04Amazon Elastic Compute Cloud SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ec2-instance-connect20.00Amazon EC2 Instance Connect SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ecr90.01Amazon EC2 Container Registry SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ecr-public10.00Amazon Elastic Container Registry Public SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ecs80.02Amazon EC2 Container Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-efs50.01Amazon Elastic File System SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-eks20.00Amazon Elastic Kubernetes Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-elastic-inference30.00Amazon Elastic Inference SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-elasticache570.01Amazon ElastiCache SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-elasticbeanstalk560.01Amazon Elastic Beanstalk SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-elasticsearch230.02Amazon Elasticsearch Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-elastictranscoder580.01Amazon Elastic Transcoder SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-elb50.01Amazon Elastic Load Balancing SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-elbv280.01Amazon Elastic Load Balancing SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-emr90.01Amazon EMR SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-emr-containers10.00Amazon EMR Containers SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-emr-serverless10.00Amazon EMR Serverless SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-evidently30.00Amazon CloudWatch Evidently SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-finspace10.00Amazon FinSpace User Environment Management service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-finspace-data20.00Amazon FinSpace Public API SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-fis20.00Amazon Fault Injection Simulator SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-fms50.01Amazon Firewall Management Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-forecast20.00Amazon Forecast Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-forecastquery20.00Amazon Forecast Query Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-frauddetector10.00Amazon Fraud Detector SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-fsx10.00Amazon FSx SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-gamelift120.01Amazon GameLift SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-gamesparks20.00Amazon GameSparks SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-glacier100.01Amazon Glacier SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-globalaccelerator20.00Amazon Global Accelerator SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-glue50.01Amazon Glue SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-grafana10.00Amazon Managed Grafana SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-greengrass50.01Amazon Greengrass SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-greengrassv220.00Amazon IoT Greengrass V2 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-groundstation20.00Amazon Ground Station SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-guardduty40.01Amazon GuardDuty SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-health80.01Amazon Health APIs and Notifications SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-healthlake10.00Amazon HealthLake SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-honeycode20.00Amazon Honeycode SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iam120.01Amazon Identity and Access Management SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iam-policy40.01Amazon IAM Policy Document DSL and Combinators. (aws, cloud, library, mpl, network)2018-08-140.0.4BrendanHay
amazonka-identitystore10.00Amazon SSO Identity Store SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-imagebuilder10.00Amazon EC2 Image Builder SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-importexport550.01Amazon Import/Export SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-inspector190.01Amazon Inspector SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-inspector220.00Amazon Inspector2 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iot40.01Amazon IoT SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iot-analytics70.01Amazon IoT Analytics SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iot-dataplane180.01Amazon IoT Data Plane SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iot-jobs-dataplane60.01Amazon IoT Jobs Data Plane SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iot-roborunner10.00Amazon IoT RoboRunner SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iot1click-devices20.00Amazon IoT 1-Click Devices Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iot1click-projects30.00Amazon IoT 1-Click Projects Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotdeviceadvisor10.00Amazon IoT Core Device Advisor SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotevents20.00Amazon IoT Events SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotevents-data10.00Amazon IoT Events Data SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotfleethub10.00Amazon IoT Fleet Hub SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotfleetwise20.00Amazon IoT FleetWise SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotsecuretunneling20.00Amazon IoT Secure Tunneling SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotsitewise10.00Amazon IoT SiteWise SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotthingsgraph10.00Amazon IoT Things Graph SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iottwinmaker10.00Amazon IoT TwinMaker SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-iotwireless20.00Amazon IoT Wireless SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ivs10.00Amazon Interactive Video Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ivschat20.00Amazon Interactive Video Service Chat SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kafka20.00Amazon Managed Streaming for Kafka SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kafkaconnect20.00Amazon Managed Streaming for Kafka Connect SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kendra10.00Amazon KendraFrontendService SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-keyspaces20.00Amazon Keyspaces SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesis550.02Amazon Kinesis SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesis-analytics100.01Amazon Kinesis Analytics SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesis-firehose210.01Amazon Kinesis Firehose SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesis-video90.01Amazon Kinesis Video Streams SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesis-video-archived-media120.01Amazon Kinesis Video Streams Archived Media SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesis-video-media70.01Amazon Kinesis Video Streams Media SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesis-video-signaling30.00Amazon Kinesis Video Signaling Channels SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesis-video-webrtc-storage40.00Amazon Kinesis Video WebRTC Storage SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kinesisanalyticsv230.00Amazon Kinesis Analytics SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-kms570.06Amazon Key Management Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lakeformation10.00Amazon Lake Formation SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lambda570.03Amazon Lambda SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lex-models70.01Amazon Lex Model Building Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lex-runtime70.01Amazon Lex Runtime Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lexv2-models20.00Amazon Lex Model Building V2 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-license-manager10.00Amazon License Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-license-manager-linux-subscriptions30.00Amazon License Manager Linux Subscriptions SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-license-manager-user-subscriptions30.00Amazon License Manager User Subscriptions SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lightsail70.01Amazon Lightsail SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-location30.00Amazon Location Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lookoutequipment10.00Amazon Lookout for Equipment SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lookoutmetrics10.00Amazon Lookout for Metrics SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-lookoutvision10.00Amazon Lookout for Vision SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-m220.00Amazon MainframeModernization SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-macie20.00Amazon Macie SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-maciev220.00Amazon Macie 2 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-managedblockchain30.00Amazon Managed Blockchain SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-marketplace-analytics360.01Amazon Marketplace Commerce Analytics SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-marketplace-catalog30.00Amazon Marketplace Catalog Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-marketplace-entitlement120.01Amazon Marketplace Entitlement Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-marketplace-metering250.01Amazon Marketplace Metering SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mechanicalturk80.01Amazon Mechanical Turk SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mediaconnect20.00Amazon MediaConnect SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mediaconvert80.01Amazon Elemental MediaConvert SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-medialive70.01Amazon Elemental MediaLive SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mediapackage40.01Amazon Elemental MediaPackage SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mediapackage-vod20.00Amazon Elemental MediaPackage VOD SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mediastore50.01Amazon Elemental MediaStore SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mediastore-dataplane90.01Amazon Elemental MediaStore Data Plane SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mediatailor10.00Amazon MediaTailor SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-memorydb10.00Amazon MemoryDB SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mgn20.00Amazon Application Migration Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-migration-hub-refactor-spaces30.00Amazon Migration Hub Refactor Spaces SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-migrationhub80.01Amazon Migration Hub SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-migrationhub-config30.00Amazon Migration Hub Config SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-migrationhuborchestrator20.00Amazon Migration Hub Orchestrator SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-migrationhubstrategy30.00Amazon Migration Hub Strategy Recommendations SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ml80.01Amazon Machine Learning SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mobile40.01Amazon Mobile SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mq50.01Amazon MQ SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-mtl40.01MTL-style type-class and deriving-via newtypes for Amazonka (library, mit, utils)2025-02-180.1.1.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
amazonka-mwaa20.00Amazon MWAA SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-neptune10.00Amazon Neptune SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-network-firewall30.00Amazon Network Firewall SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-networkmanager30.00Amazon Network Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-nimble20.00Amazon NimbleStudio SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-oam20.00Amazon CloudWatch Observability Access Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-omics20.00Amazon Omics SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-opensearch10.00Amazon OpenSearch Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-opensearchserverless10.00Amazon OpenSearch Service Serverless SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-opsworks130.01Amazon OpsWorks SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-opsworks-cm80.01Amazon OpsWorks CM SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-organizations60.01Amazon Organizations SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-outposts20.00Amazon Outposts SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-panorama10.00Amazon Panorama SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-personalize20.00Amazon Personalize SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-personalize-events20.00Amazon Personalize Events SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-personalize-runtime30.00Amazon Personalize Runtime SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-pi10.00Amazon Performance Insights SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-pinpoint60.01Amazon Pinpoint SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-pinpoint-email20.00Amazon Pinpoint Email Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-pinpoint-sms-voice30.00Amazon Pinpoint SMS and Voice Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-pinpoint-sms-voice-v230.00Amazon Pinpoint SMS Voice V2 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-pipes20.00Amazon EventBridge Pipes SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-polly70.01Amazon Polly SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-pricing50.01Amazon Price List Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-privatenetworks10.00Amazon Private 5G SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-proton10.00Amazon Proton SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-qldb20.00Amazon QLDB SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-qldb-session30.00Amazon QLDB Session SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-quicksight20.00Amazon QuickSight SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ram10.00Amazon Resource Access Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-rbin10.00Amazon Recycle Bin SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-rds170.02Amazon Relational Database Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-rds-data60.01Amazon RDS DataService SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-redshift180.01Amazon Redshift SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-redshift-data30.00Amazon Redshift Data API Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-redshift-serverless40.00Amazon Redshift Serverless SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-rekognition80.01Amazon Rekognition SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-resiliencehub10.00Amazon Resilience Hub SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-resource-explorer-v230.00Amazon Resource Explorer SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-resourcegroups70.01Amazon Resource Groups SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-resourcegroupstagging70.01Amazon Resource Groups Tagging API SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-robomaker20.00Amazon RoboMaker SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-rolesanywhere20.00Amazon IAM Roles Anywhere SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-route53660.01Amazon Route 53 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-route53-autonaming90.01Amazon Cloud Map SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-route53-domains1120.01Amazon Route 53 Domains SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-route53-recovery-cluster20.00Amazon Route53 Recovery Cluster SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-route53-recovery-control-config30.00Amazon Route53 Recovery Control Config SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-route53-recovery-readiness40.00Amazon Route53 Recovery Readiness SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-route53resolver20.00Amazon Route 53 Resolver SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-rum20.00Amazon CloudWatch RUM SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-s3700.023Amazon Simple Storage Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-s3-encryption40.00Amazon Simple Storage Service SDK - Client-Side Encryption. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-s3-streaming200.01Provides conduits to upload data to S3 using the Multipart API (aws, bsd3, cloud, distributed-computing, library, network)2023-08-282.0.0.0AlexMason
amazonka-s3outposts20.00Amazon S3 on Outposts SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sagemaker50.01Amazon SageMaker Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sagemaker-a2i-runtime10.00Amazon Augmented AI Runtime SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sagemaker-edge20.00Amazon Sagemaker Edge Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sagemaker-featurestore-runtime30.00Amazon SageMaker Feature Store Runtime SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sagemaker-geospatial30.00Amazon SageMaker geospatial capabilities SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sagemaker-metrics20.00Amazon SageMaker Metrics Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sagemaker-runtime70.01Amazon SageMaker Runtime SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-savingsplans30.00Amazon Savings Plans SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-scheduler20.00Amazon EventBridge Scheduler SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-schemas20.00Amazon Schemas SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sdb100.01Amazon SimpleDB SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-secretsmanager110.01Amazon Secrets Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-securityhub10.00Amazon SecurityHub SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-securitylake10.00Amazon Security Lake SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-serverlessrepo60.01Amazon ServerlessApplicationRepository SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-service-quotas10.00Amazon Quotas SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-servicecatalog120.01Amazon Service Catalog SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-servicecatalog-appregistry30.00Amazon Service Catalog App Registry SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ses90.03Amazon Simple Email Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sesv220.00Amazon Simple Email Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-shield100.01Amazon Shield SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-signer10.00Amazon Signer SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-simspaceweaver10.00Amazon SimSpace Weaver SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sms70.01Amazon Server Migration Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sms-voice20.00Amazon Pinpoint SMS and Voice Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-snow-device-management30.00Amazon Snow Device Management SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-snowball60.01Amazon Import/Export Snowball SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sns120.03Amazon Simple Notification Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sqs552.06Amazon Simple Queue Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ssm130.01Amazon Simple Systems Manager (SSM) SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ssm-contacts20.00Amazon Systems Manager Incident Manager Contacts SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ssm-incidents30.00Amazon Systems Manager Incident Manager SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-ssm-sap20.00Amazon Systems Manager for SAP SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sso130.02Amazon Single Sign-On SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sso-admin20.00Amazon Single Sign-On Admin SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sso-oidc20.00Amazon SSO OIDC SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-stepfunctions100.01Amazon Step Functions SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-storagegateway600.01Amazon Storage Gateway SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-sts670.04Amazon Security Token Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-support520.01Amazon Support SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-support-app30.00Amazon Support App SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-swf110.04Amazon Simple Workflow Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-synthetics20.00Amazon Synthetics SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-test130.01Common functionality for Amazonka library test-suites. (aws, library, mpl)2023-07-282.0BrendanHay
amazonka-textract20.00Amazon Textract SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-timestream-query30.00Amazon Timestream Query SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-timestream-write20.00Amazon Timestream Write SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-transcribe60.01Amazon Transcribe Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-transfer10.00Amazon Transfer Family SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-translate50.01Amazon Translate SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-voice-id30.00Amazon Voice ID SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-waf60.01Amazon WAF SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-waf-regional80.01Amazon WAF Regional SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-wafv220.00Amazon WAFV2 SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-wellarchitected10.00Amazon Well-Architected Tool SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-wisdom10.00Amazon Connect Wisdom Service SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-workdocs80.01Amazon WorkDocs SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-worklink20.00Amazon WorkLink SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-workmail80.01Amazon WorkMail SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-workmailmessageflow30.00Amazon WorkMail Message Flow SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-workspaces330.01Amazon WorkSpaces SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-workspaces-web10.00Amazon WorkSpaces Web SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amazonka-xray50.01Amazon X-Ray SDK. (aws, library, mpl)2023-07-272.0BrendanHay
amby20.01Statistical data visualization (bsd3, graphics, library)2016-11-260.3.2jsermeno
amqp182.2512Client library for AMQP servers (currently only RabbitMQ) (bsd3, library, network, program)2024-10-140.24.0HolgerReinhardt
amqp-conduit10.01Conduit bindings for AMQP (see amqp package) (library, mit, network)2017-07-120.3.0.0toru_tomita
amqp-streamly20.00A simple streamly wrapper for amqp (amqp, bsd3, conduit, library, rabbitmq, streamly)2024-04-140.3.0gdifolco
amqp-worker50.00Type-safe AMQP workers (bsd3, library, network, program)2023-09-052.0.0seanhess
anagrep30.00Find strings with permutations (anagrams) that match a regular expression (bsd3, library, program, text)2020-12-100.1.0.0DylanSimon
analyze20.01making data science easy and safe with data frames (bsd3, data-science, library)2017-01-060.1.0.0AlexeyKhudyakov, ocramz, NickSeagull, ejconlon, stites
analyze-client20.01Client for analyze service (bsd3, library, web)2015-05-220.1.0.2DanielPatterson
anansi30.03Simple literate programming preprocessor (development, gpl, library, program)2015-06-050.4.8JohnMillikin
anansi-hscolour50.01Colorized looms for Anansi (development, gpl, library)2014-02-140.1.2JohnMillikin
anansi-pandoc20.01Looms which use Pandoc to parse and produce a variety of formats. (development, gpl, library)2014-03-180.1.3JohnMillikin
anatomy30.01Anatomy: Atomo documentation system (bsd3, development, library, program)2011-02-070.4AlexSuraci
android20.01Android methods exposed to Haskell (gpl, library, system)2015-09-290.0.2IvanPerez, keera_studios_ci
android-activity32.02Turn regular Haskell programs into Android Activities (bsd3, library, mobile)2025-01-130.2.0.1RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
android-lint-summary30.00A pretty printer for Android Lint errors (apache, library, program, web)2015-06-300.2.1passy
angle20.00A small, general-purpose programming language. (compilers-interpreters, gpl, library, program)2016-08-190.8.1.0GuiltyDolphin
animalcase30.02Convert camelCase to snake_case and vice versa (library, mit, text)2014-11-140.1.0.2ibotty
animate52.254Animation for sprites (bsd3, game, library)2018-05-190.7.0jxv
animate-frames20.00Convert sprite frames to animate files (game, library, mit, program)2018-05-300.0.1jxv
animate-preview60.00Preview tool for sprite animation (bsd3, game, library, program)2018-05-270.1.2.4jxv
animate-sdl230.01sdl2 + animate auxiliary library (bsd3, game, library)2018-05-200.1.1jxv
anitomata20.00Composable sprite animation (game, library, mit)2024-12-170.1.0.3jship
anitomata-aseprite70.00Code gen for Aseprite animations (game, library, mit, program)2024-12-170.1.1.3jship
anki-tools40.00Tools for interacting with Anki database (bsd3, database, library, program)2016-09-300.1.0.0zohl
ann10.00Informative annotations which don't change equality (bsd3, data, library)2022-06-281.0.0aspiwack
annah10.00Medium-level language that desugars to Morte (bsd3, compiler, library, program)2016-04-241.0.0GabrielGonzalez
annihilator (deprecated in favor of boolean-like)30.01Semigroups with annihilators and utility functions (bsd3, control-, deprecated, library)2016-04-050.1.0.0Shou
annotated-exception122.08Exceptions, with checkpoints and context. (bsd3, control, library)2024-10-240.3.0.2parsonsmatt
annotated-fix20.00A fixpoint of a functor that can be annotated (bsd3, data, library)2019-05-210.1.0.0GuerricChupin
annotated-wl-pprint180.05The Wadler/Leijen Pretty Printer, with annotation support (bsd3, library, text)2015-08-270.7.0dchristiansen
anonymous-sums10.03Anonymous sum types (bsd3, data, library)2016-12-230.6.0.0OmariNorman
anonymous-sums-tests20.01QuickCheck functions to accompany the anonymous-sums package (bsd3, data, library)2014-07-300.4.0.0OmariNorman
ansi-escape-codes30.01Haskell package to generate ANSI escape codes for styling strings in the terminal. (library, mit, unclassified)2017-12-140.3.0.0joegesualdo
ansi-pretty40.01AnsiPretty for ansi-wl-pprint (bsd3, library, text, user-interfaces)2019-11-200.1.2.2phadej
ansi-terminal3212.5223Simple ANSI terminal support (bsd3, library, user-interfaces)2024-11-141.1.2MaxBolingbroke, OliverCharles, RomanCheplyaka, mpilgrem
ansi-terminal-game182.00cross-platform library for terminal games (game, gpl, library)2024-02-071.9.3.0fffaaa
ansi-terminal-types1000.01Types and functions used to represent SGR aspects (bsd3, library, user-interfaces)2024-02-071.1OliverCharles, RomanCheplyaka, mpilgrem
ansi-wl-pprint (deprecated in favor of prettyprinter)1072.5119The Wadler/Leijen Pretty Printer for colored ANSI terminal output (bsd3, deprecated, library, text, user-interfaces)2023-05-181.0.2EdwardKmett, MaxBolingbroke, phadej, quchen
ansigraph30.02Terminal-based graphing via ANSI and Unicode (graphics, library, mit)2017-12-280.3.0.5Cliff_Harvey
antagonist40.01A web interface to Antisplice dungeons. (agpl, library, program, web)2016-04-040.1.0.30implementation
antelude10.00Yet another alternative Prelude for Haskell. (library, mit, prelude)2024-08-030.1.0dneaves
antfarm20.01Referring expressions for definitions (bsd3, library, natural-language-processing, program)2012-08-150.1.0.0EricKow
anticiv20.01This is an IRC bot for Mafia and Resistance. (agpl, library, network, program)2014-09-140.1.0.5implementation
antigate50.01Interface for antigate.com captcha recognition API (captcha, library, mit, network-apis, text-recognition)2017-06-122.0.2MikhailKuddah
antikythera40.00Simple job/task/event scheduler/cronjob (library, scheduling)2025-03-180.1.0.0gdifolco
antimirov20.01Define the language containment (=subtyping) relation on regulare expressions. (language, library, math, program)2009-01-300.1.0RickKaudewitz
antiope-athena510.01Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-contract440.01Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-core100.06Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-dynamodb510.01Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-es30.00Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3arbornetworks
antiope-messages510.03Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-optparse-applicative580.01Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3arbornetworks
antiope-s390.07Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-shell150.00Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3arbornetworks
antiope-sns90.01Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-sqs70.01Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-swf50.00Please see the README on Github at <https://github.com/arbor/antiope#readme> (library, mit, services)2019-10-087.4.4arbornetworks
antiprimes30.01Initial project template from stack (bsd3, learning-haskell, library)2016-09-110.1.0.1wokibe
antiquoter10.02Combinator library for quasi- and anti-quoting. (bsd3, library, template-haskell)2013-04-140.1.1.0LarsCorbijn
antisplice70.04An engine for text-based dungeons. (agpl, game, library)2016-04-040.17.1.1implementation
antlr-haskell12.00A Haskell implementation of the ANTLR top-down parser generator (bsd3, library)2020-09-250.1.0.1KarlCronburg
antlrc30.01Haskell binding to the ANTLR parser generator C runtime library. (bsd3, library, parsing, program)2011-01-200.0.2MarkWright
any-pat20.00Quasiquoters that act on a sequence of patterns and compiles these view into patterns and expressions. (bsd3, library, utils)2024-01-180.4.0.0wvanonsem90
anydbm20.03Interface for DBM-like database systems (database, library)2012-05-011.0.7JohnGoerzen
aoc70.00Utility functions commonly used while solving Advent of Code puzzles (bsd3, library, utility)2025-03-260.1.0.1Minecart
aop-prelude30.00prelude for Algebra of Programming (bsd3, language, library)2024-11-100.5.0.0KatsutoshiItoh
aos-signature20.01An implementation of the AOS signatures (cryptography, library)2018-11-100.1.1sdiehl
aosd30.01Bindings to libaosd, a library for Cairo-based on-screen displays (bsd3, graphics, library)2019-12-140.2.2DanielSchuessler
ap-normalize330.02Self-normalizing applicative expressions (control, library, mit)2021-05-250.1.0.1lyxia
ap-reflect50.01Partial evaluation reflection a la simple-reflect. (bsd3, debug, library)2016-10-030.3NickolayKudasov
apache-md542.01Apache specific MD5 digest algorighm. (bsd3, cryptography, data, library)2015-06-210.6.1.4PeterTrsko
apart10.00Get all your structure and rip it apart. (bsd3, control, data, library, program)2018-09-280.1.3iokasimovmt
apecs252.255Fast Entity-Component-System library for game programming (bsd3, control, data, game, library)2024-03-200.9.6AlexanderBondarenko, jship, jonascarpay
apecs-effectful10.00Adaptation of the apecs library for the effectful ecosystem. (bsd3, game, library)2023-05-120.1.0.0MichaelSzvetits
apecs-gloss120.00Simple gloss renderer for apecs (bsd3, library, web)2020-02-110.2.4AlexanderBondarenko, jship, jonascarpay
apecs-physics130.022D physics for apecs (bsd3, library, web)2023-10-050.4.6AlexanderBondarenko, jship, jonascarpay
apecs-physics-gloss (deprecated in favor of apecs-gloss)40.01Gloss rendering for apecs-physics (bsd3, deprecated, library, web)2018-10-170.1.0.0jonascarpay
apecs-stm100.00STM stores for apecs (bsd3, control, data, game, library)2023-11-090.2AlexanderBondarenko, jship, jonascarpay
api-builder50.04Library for easily building REST API wrappers in Haskell (bsd3, library, network)2020-01-210.17.0.0Intolerable
api-field-json-th70.01option of aeson's deriveJSON (bsd3, library, utils)2017-05-030.1.0.2nakaji_dayo
api-maker52.00Package to make APIs (bsd3, library, web)2021-12-300.1.0.6schnecki
api-monobank42.00 (library, mit, program, web)2019-07-170.1.3.0sigrlami
api-opentheory-unicode60.01OpenTheory unicode character API (library, mit, text)2015-05-131.2JoeHurd
api-rpc-accumulate30.00JSON-RPC API client for Accumulate blockchain (library, mit, program, web)2022-02-190.1.0.0sigrlami
api-rpc-factom30.00RPC API client for Factom (library, mit, program, web)2019-10-250.1.3.2sigrlami
api-rpc-pegnet30.00simple json-rpc client for PegNet (library, mit, web)2020-01-130.1.1.2sigrlami
api-tools70.03DSL for generating API boilerplate and docs (bsd3, cloud, distributed-computing, library, network, program, web)2024-08-220.10.1.1AdamGundry, ChrisDornan
api-yoti20.00Api bindings for Yoti services (library, mit, web)2019-07-300.1.0.0sigrlami
apiary132.515Simple and type safe web framework that generate web API documentation. (library, mit, web)2017-10-272.1.2HirotomoMoriwaki, winterland
apiary-authenticate210.01authenticate support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-clientsession220.02clientsession support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-cookie50.02Cookie support for apiary web framework. (library, mit, web)2017-10-261.5.1HirotomoMoriwaki, winterland
apiary-eventsource90.01eventsource support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-helics40.01helics support for apiary web framework. (library, mit, web)2015-03-041.4.0HirotomoMoriwaki, winterland
apiary-http-client10.01A http client for Apiary. (library, mit, web)2017-11-010.1.4.0winterland
apiary-logger60.02fast-logger support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-memcached100.01memcached client for apiary web framework. (library, mit, web)2015-03-041.4.0HirotomoMoriwaki, winterland
apiary-mongoDB90.01mongoDB support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-persistent212.01persistent support for apiary web framework. (library, mit, web)2017-10-251.5.1HirotomoMoriwaki, winterland
apiary-purescript140.01purescript compiler for apiary web framework. (library, mit, web)2015-03-041.4.0HirotomoMoriwaki, winterland
apiary-redis10.01redis support for apiary web framework. (library, mit, web)2017-11-111.5.1winterland
apiary-session60.03session support for apiary web framework. (library, mit, web)2017-10-241.5.0HirotomoMoriwaki, winterland
apiary-websockets250.01websockets support for apiary web framework. (library, mit, web)2017-10-241.5.0HirotomoMoriwaki, winterland
apigen20.00FFI API generator for several languages (development, gpl, library, program)2023-11-230.0.1iphydf
apioiaf-client32.01Consumer library for anapioficeandfire.com (bsd3, library, web)2016-12-210.2.1.0krberger
apis10.01A Template Haskell library for generating type safe API calls (bsd2, library, web)2014-12-220.0.1FabianBergmark
apns-http230.00Apple Push Notification service HTTP/2 integration. (bsd3, library, network, program)2020-01-140.1.1.0dridus
apotiki20.01a faster debian repository (library, mit, program, system)2014-01-240.5.2pyr
app-lens20.01applicative (functional) bidirectional programming beyond composition chains (bsd3, data, lenses, library)2016-09-250.1.0.3kztk
app-settings60.01A library to manage application settings (INI file-like) (bsd3, configuration, library)2018-10-010.2.0.12EmmanuelTouzery
appar630.04A simple applicative parser (bsd3, library, parsing)2019-05-070.1.8KazuYamamoto
appc30.01app container types and tools (data, library, mit, program)2015-04-100.0.6wereHamster
appendful50.02 (library, mit, unclassified)2022-06-190.1.0.0Norfair
appendful-persistent70.00 (library, mit, unclassified)2023-10-090.1.0.1Norfair
appendmap70.03Map with a Semigroup and Monoid instances delegating to Semigroup of the elements (bsd3, data-structures, library)2018-09-020.1.5AlexeyKotlyarov
apple12.00Apple array language compiler (agpl, array, language, library, program)2024-09-100.3.0.0vmchale
applicable20.00A class for things that can be applied (data, library, mit)2022-07-170.4.1.0anselmschueler
applicative-extras200.014Instances for Applicative (bsd3, control, library)2011-01-030.1.8ChrisEidhof
applicative-fail20.01Applicative functor and monad which collects all your fails (bsd3, control, library)2015-08-031.1.1AlekseyUymanov
applicative-logic42.00Generalized logic operations for Applicative and Alternative functors (bsd3, control, library)2024-05-240.1.0.2typeterrorist
applicative-numbers170.06Applicative-based numeric instances (bsd3, data, library, numerical)2014-04-090.1.3ConalElliott
applicative-parsec20.01An applicative parser combinator library (gpl, language, library)2015-04-090.1.0.0KarlVoelker
applicative-quoters20.01Quasiquoters for idiom brackets and an applicative do-notation (bsd3, language, library)2012-09-220.1.0.8BenMillwood
applicative-splice20.01Write applicative programs in direct style (generalizes idiom brackets). (control, library, public-domain)2016-04-170.0.0.0AkioTakano
apply-merge70.00Lift a binary, non-decreasing function onto ordered lists and order the output (bsd3, data, library)2024-05-110.1.1.0pgujjula
apply-refact702.02Perform refactorings specified by the refact library. (bsd3, development, library, program)2025-01-290.15.0.0mpickering, zliu41, fendor
apply-unordered20.00Apply a function to an argument specified by a type level Nat (acme, bsd3, compiler-plugin, functions, library)2021-03-261.0MichaelSloan
apply-unordered-mono30.00Apply functions to arguments in an unordered type-directed fashion (acme, bsd3, functions, library)2021-03-261.0MichaelSloan
apportionment71.251Round a set of numbers while maintaining its sum (bsd3, library, math)2022-01-020.0.0.4HenningThielemann
approveapi30.00ApproveAPI Haskell Client (api, client, library, mit)2019-04-010.1.3.0kcking
approx12.00Easy-to-use emulation of approximate, ranges and tolerances in Haskell (library, mit, numeric, program)2021-02-150.1.0.1kishaloy
approx-rand-test (deprecated)120.01Approximate randomization test (deprecated, library, program, statistics)2013-12-170.2.1DanielDeKok
approximate110.05Approximate discrete values and numbers (bsd3, library, numeric)2021-11-160.3.5EdwardKmett, EricMertens, ryanglscott
approximate-equality110.01Newtype wrappers for approximate equality (bsd3, data, library)2014-08-161.1.0.2DavidHimmelstrup, GregoryCrosswhite
ar-timestamp-wiper40.01Wipes time stamps from .a files (like ar -D) (application, library, mit, program)2013-08-070.1.0NiklasHambuechen, PatrickChilton
arb-fft10.01Pure Haskell arbitrary length FFT library (bsd3, library, math, program)2016-04-240.3.0.0IanRoss
arbb-vm20.01FFI binding to the Intel Array Building Blocks (ArBB) virtual machine. (bsd3, foreign, library)2012-10-140.1.1.20JoelSvensson
arbor-datadog70.03Datadog client for Haskell. (library, mit, network)2019-10-170.1.0.1newhoggy, haskellworks, arbornetworks
arbor-lru-cache21.251LRU cache based on STM (concurrency, data, library, mit)2019-10-030.1.1.1newhoggy, arbornetworks
arbor-monad-counter50.01Counter library for submitting metrics to a backend such as datadog (library, mit, services)2019-10-172.0.2newhoggy, haskellworks, arbornetworks
arbor-monad-logger20.00Simple logging library (library, logging, mit, program)2019-10-170.1.1.3arbornetworks
arbor-monad-metric170.01Core metric library for publishing metrics. (library, metrics, mit)2019-10-171.2.1newhoggy, haskellworks, arbornetworks
arbor-monad-metric-datadog150.00Metric library backend for datadog. (library, metrics, mit)2019-11-181.1.2newhoggy, haskellworks, arbornetworks
arbor-postgres60.01Convenience types and functions for postgresql-simple. (library, mit, services)2019-10-170.0.5newhoggy, haskellworks, arbornetworks
arcgrid30.00Parse ESRI/ArcInfo (ArcGrid) raster GIS files (bsd3, geo, library, program)2017-11-130.1.0.0nbrk
arch-hs70.00Distribute hackage packages to archlinux (distribution, library, mit, program)2023-05-300.11.1.0felixonmars, berberman
arch-web120.01Arch Linux official and AUR web interface binding (library, mit, web)2024-10-250.3.1felixonmars, berberman
archive20.01A library and programs for creating hardlinked incremental archives or backups (bsd3, library, program, system)2012-06-121.2.12DavidFox, JeremyShaw
archive-libarchive70.02Common interface using libarchive (archive, bsd3, codec, library, tar)2020-08-271.0.0.1vmchale
archive-sig70.02Backpack signature for archive libraries (archive, bsd3, codec, library, tar)2020-04-121.0.2.0vmchale
archive-tar30.01Common interface using the tar package (archive, bsd3, codec, library, tar)2023-12-211.0.0.0vmchale
archive-tar-bytestring40.00Common interface using the tar-bytestring package (archive, bsd3, codec, library, tar)2020-04-011.0.0.0vmchale
archiver20.01Archive supplied URLs in WebCite & Internet Archive (bsd3, documentation, library, network, program)2014-01-030.6.2.1GwernBranwen
archlinux (deprecated)20.02Support for working with Arch Linux packages. (bsd3, deprecated, distribution, library)2011-06-271.3DonaldStewart, MagnusTherning, PeterSimons
archlinux-web30.01Website maintenance for Arch Linux packages (bsd3, distribution, library, program)2010-10-180.1MagnusTherning
arduino-copilot592.00Arduino programming in haskell using the Copilot stream DSL (bsd3, embedded, language, library)2025-03-191.7.9JoeyHess
arena20.01A journaled data store (bsd3, database, library)2016-03-150.1AlecHeller, davean
arff30.01Generate Attribute-Relation File Format (ARFF) files (bsd3, data, library, text)2008-11-180.1.0StefanKersten
argo30.00Parse and render JSON. (json, library, mit, program)2022-08-280.2022.8.28fozworth
argon230.00Memory-hard password hash and proof-of-work function (bsd3, cryptography, library)2018-04-071.3.0.1ChrisDornan, HerbertValerioRiedel, JoeyHess, OliverCharles
argparser50.04Command line parsing framework for console applications (bsd3, console, library)2014-11-270.3.4sbergot
arion-compose32.00Run docker-compose with help from Nix/NixOS (apache, cloud, distributed-computing, distribution, library, network, program)2024-12-110.2.2.0RobertHensing
arith-encode (deprecated in favor of cantor-pairing, finitary, smallcheck)70.02A practical arithmetic encoding (aka Godel numbering) library. (bsd3, data, deprecated, library, serialization, test, testing)2020-02-091.0.2emc2, Bodigrim
arithmatic30.01do things with numbers (bsd3, library, math)2017-01-260.1.0.3AlanHawkins
arithmetic50.01Natural number arithmetic (library, mit, number-theory, program)2020-03-111.6JoeHurd
arithmetic-circuits20.00Arithmetic circuits for zkSNARKs (cryptography, library, mit)2020-01-150.2.0sdiehl
arithmoi472.2524Efficient basic number-theoretic functions. (algorithms, library, math, mit, number-theory)2025-03-010.13.0.1CarterSchonwald, DanielFischer, HerbertValerioRiedel, Bodigrim
arity-generic-liftA40.00Provides an arity-generic version of the liftA2, liftA3... liftAn functions. (control, library, mit)2018-12-310.1.0.0oisdk
armor30.01Prevent serialization backwards compatibility problems using golden tests (bsd3, data, library, testing)2021-05-190.2.0.1DougBeardsley
arpa20.00Library for reading ARPA n-gram models (bsd3, library, natural-language-processing, nlp, program, text)2015-04-220.0.0.0StefanFischer
arpack20.01Solve large scale eigenvalue problems (bsd3, library, science)2016-09-300.1.0.0ThomasTuegel
array262.251120Mutable and immutable arrays (bsd3, data-structures, library)2024-09-080.5.8.0AustinSeipp, BenGamari, HerbertValerioRiedel, IanLynagh, wz1000, July541
array-builder90.04Builders for arrays (bsd3, data, library)2024-02-020.1.4.1andrewthad, l3c_amartin
array-chunks80.06Lists of chunks (bsd3, data, library)2024-02-060.1.4.2andrewthad, l3c_amartin
array-forth20.02A simple interpreter for arrayForth, the language used on GreenArrays chips. (gpl, language, library, program)2015-01-170.2.1.4TikhonJelvis
array-list32.00IsList instances of Array for OverloadedLists extension (array, data, library, list, mit)2020-06-230.2.0.0epoberezkin
array-memoize60.01Memoization combinators using arrays for finite sub-domains of functions (bsd3, library, syntax)2014-04-040.6.0DominicOrchard
array-primops20.01Extra foreign primops for primitive arrays (bsd3, data, library)2017-08-100.2.0.1AndrasKovacs
array-utils (deprecated)60.01Primitive functions for updating many elements in mutable arrays at once (bsd3, data, data-structures, deprecated, library)2011-01-290.3AlexMason
arrayfire22.251Haskell bindings to the ArrayFire general-purpose GPU library (bsd3, library, math, program)2022-10-020.7.0.0DavidJohnson
arraylist10.01Memory-efficient ArrayList implementation (bsd3, data, library)2018-10-250.1.0.0chessai
arrow-extras70.01Extra functions for Control.Arrow (bsd3, control, library)2017-03-150.1.0.1louispan
arrow-improve20.01Improved arrows. (control, library, mit)2014-02-180.1.0.0alynn
arrow-list30.01List arrows for Haskell. (bsd3, control, library)2020-10-180.7.1AdamBergmark, ErikHesselink, SebastiaanVisser
arrow-utils30.00functions for working with arrows (arrows, bsd3, combinators, control, library)2024-11-110.1.2miguel_negrao
arrowapply-utils20.02Utilities for working with ArrowApply instances more naturally (bsd3, control, library)2012-03-180.2AndrewMiller
arrowp-qq10.01A preprocessor and quasiquoter for translating arrow notation (development, library, program)2019-12-290.3.0PepeIborra, riuga
arrows70.032Arrow classes and transformers (bsd3, control, library)2018-03-310.4.4.2RossPaterson
artery20.01A simple, arrow-based reactive programming (bsd3, control, frp, library)2014-09-090.1.1FumiakiKinoshita
artifact (deprecated)20.01Basic types and instances for Valve's Artifact Card-set API (agpl, deprecated, game, library)2018-11-150.0.0.0
arx70.01Archive execution tool. (bsd3, library, text)2018-08-040.3.2JasonDusek
arxiv40.01A client for the Arxiv API (api, arxiv, library, network, networkapi)2020-12-180.0.3TobiasSchoofs
asana60.00Asana API Client (library, mit, utils)2024-01-191.0.1.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
asap30.00Atlassian Service Authentication Protocol (apache, library, web)2019-03-260.0.4puffnfresh
ascetic20.03Generic markup builder. (library, mit, text)2014-07-230.0.0.4AndreiLapets
ascii72.012The ASCII character set and encoding (apache, data, library, text)2025-01-211.7.0.2chris_martin, Monoid_Mary
ascii-art-to-unicode50.00ASCII Art to Unicode Box Drawing converter (bsd3, library, program, unclassified)2017-04-160.1.0.1fmthoma
ascii-case230.05ASCII letter case (apache, data, library, text)2025-01-211.0.1.4chris_martin, Monoid_Mary
ascii-caseless80.03ASCII character without an upper/lower case distinction (apache, data, library, text)2025-01-210.0.0.2chris_martin, Monoid_Mary
ascii-char140.09A Char type representing an ASCII character (apache, data, library, text)2023-01-051.0.1.0chris_martin, Monoid_Mary
ascii-cows62.251A collection of ASCII cows. Moo. (acme, bsd3, library)2016-10-250.0.2.0passy
ascii-flatten10.00Flattens European non-ASCII characaters into ASCII (library, mit, program, text)2016-05-110.1.1.0DanielChoi
ascii-group70.01ASCII character groups (apache, data, library, text)2023-12-311.0.0.17chris_martin, Monoid_Mary
ascii-numbers60.01ASCII representations of numbers (apache, data, library, numeric, text)2025-01-211.2.0.2chris_martin
ascii-predicates120.01Various categorizations of ASCII characters (apache, data, library, text)2025-01-211.0.1.4chris_martin, Monoid_Mary
ascii-progress100.05A simple progress bar for the console. (library, mit, system)2016-04-180.3.3.0yamadapc
ascii-string30.02Compact representation of ASCII strings (library, mit, unclassified)2019-06-021.0.1.4NikitaVolkov
ascii-superset400.04Representing ASCII with refined supersets (apache, data, library, text)2025-01-211.3.0.2chris_martin, Monoid_Mary
ascii-table30.01ASCII table (bsd3, data, library)2019-03-150.3.0.2mitchellwrosen
ascii-th80.01Template Haskell support for ASCII (apache, data, library, text)2025-01-211.2.0.2chris_martin, Monoid_Mary
ascii-vector-avc20.01Process Ascii Vectors for Advantest 93k (data, gpl, library, program)2014-10-150.1.0.0m
ascii85-conduit20.01Conduit for encoding ByteString into Ascii85 (bsd3, conduit, data, library)2014-01-260.1.0.0KazuoKoga
asciichart20.01Line charts in terminal (library, mit, text)2020-09-291.0.2madnight
asciidiagram112.01Pretty rendering of Ascii diagram into svg or png. (bsd3, diagram, library, program, text)2019-06-191.3.3.3VincentBerthoux
asif42.00Library for creating and querying segmented feeds (library, mit, program, services)2020-01-176.0.4newhoggy, haskellworks, arbornetworks
asil20.01Action Script Instrumentation Library (compilers-interpreters, library)2011-03-011.2ArieMiddelkoop
asn20.01asn type and encoding/decoding (bsd3, data, library)2018-06-130.1.0.0chessai
asn1-ber-syntax20.00ASN.1 BER Encode and Decode (bsd3, data, library)2023-04-110.2.0.0andrewthad
asn1-codec (deprecated in favor of language-asn, snmp)20.01Encode and decode ASN.1 (bsd3, deprecated, library, web)2018-05-180.2.0andrewthad, chessai
asn1-data (deprecated in favor of asn1-encoding)190.09ASN1 data reader and writer in RAW, BER and DER forms (bsd3, data, deprecated, library)2015-09-070.7.2VincentHanquez
asn1-encoding641.7540ASN1 data reader and writer in RAW, BER and DER forms (bsd3, data, library)2019-09-290.9.6VincentHanquez
asn1-parse560.08Simple monadic parser for ASN1 stream types. (bsd3, data, library)2019-09-290.9.5VincentHanquez
asn1-types780.038ASN.1 types (bsd3, data, library)2020-03-240.3.4VincentHanquez
aspell-pipe140.02Pipe-based interface to the Aspell program (bsd3, library, text)2020-11-240.6JonathanDaugherty
assembler10.01Haskell Assembler (bsd3, development, library, program)2010-10-010.0.1JeffDouglas
assert20.05Helpers for Control.Exception.assert (bsd3, control, library)2013-11-180.0.1.2LiyangHu, haskell_github_trust
assert-failure92.03Syntactic sugar improving 'assert' and 'error' (bsd3, contract, control, library)2023-08-170.1.3.0MikolajKonarski
assert4hs (deprecated in favor of assert4hs-core)22.01A set of assertion for writing more readable tests cases (deprecated, library, mit, testing)2021-03-250.0.0.1paweln1986
assert4hs-core30.02A set of assertion for writing more readable tests cases (library, mit, testing)2021-04-080.1.0paweln1986
assert4hs-hspec30.00integration point of assert4hs and hspec (library, mit, testing)2021-04-080.1.0paweln1986
assert4hs-tasty30.00Provider for tasty runner to run assert4hs tests (library, mit, web)2021-04-080.1.0paweln1986
assertions10.01A simple testing framework. (library, mit, testing)2014-06-050.1.0.4vi
asset-bundle42.01A build-time Cabal library that bundles executables with assets (bsd3, bundle, distribution, library, program, zip)2019-09-280.1.0.2deech
asset-map20.01Asset map support for the JavaScript broccoli-asset-rev library. (bsd3, library, web)2018-06-120.1.0.0IanDuncan
assignment70.00A solution to the assignment problem (algorithms, bsd3, library)2024-07-070.0.1.0mrkkrp
assimp30.01The Assimp asset import library (bsd3, graphics, library)2011-05-240.1JoelBurget
assoc1190.010swap and assoc: Symmetric and Semigroupy Bifunctors (bsd3, data, library)2024-05-121.1.1phadej
assoc-list42.01Association lists (lists of tuples) (data, library, mit)2021-08-110.1.0.1chris_martin, Monoid_Mary
assoc-listlike40.01Association lists (list-like collections of tuples) (data, library, mit)2021-08-110.1.0.1chris_martin, Monoid_Mary
assumpta11.250An SMTP client library (bsd2, library, network)2020-01-290.1.0.0phlummox
assumpta-core20.01Core functionality for an SMTP client (bsd2, library, network)2020-01-290.1.0.2phlummox
ast-monad20.01A library for constructing AST by using do-notation (bsd3, language, library)2017-04-270.1.0.0MasatoMouri
ast-monad-json10.01A library for writing JSON (bsd3, language, library)2017-04-290.1.0.1MasatoMouri
ast-path30.00vocabulary representation for predicting program properties (bsd3, data, library, natural-language-processing)2019-06-170.2.0ijaketak
astar90.03General A* search algorithm. (bsd3, data, library)2016-03-290.3.0.0CaleGibbard, JohannesWeiss
astar-monad (deprecated in favor of monad-dijkstra)20.00 (bsd3, deprecated, library, unclassified)2019-09-120.3.0.0ChrisPenner
astro72.251Amateur astronomical computations (bsd3, library, science)2021-05-230.4.3.0aignatyev17
astview-utils (deprecated)40.01Interfacing between hint and astview (bsd4, deprecated, language, library)2009-11-180.1SebastianMenge
async1472.75555Run IO operations asynchronously and wait for their results (bsd3, concurrency, library)2023-11-212.2.5PeterSimons, SimonMarlow
async-ajax20.01Crossbrowser async AJAX Bindings for GHCJS (library, mit, web)2016-07-240.2.0.0AlexanderThiemann
async-combinators (deprecated)30.01Async combinators (concurrency, deprecated, library, mpl)2018-07-230.0.1serokell
async-dejafu (deprecated in favor of concurrency)50.01Run MonadConc operations asynchronously and wait for their results. (bsd3, concurrency, deprecated, library)2016-09-100.1.3.0barrucadu
async-extra50.01Useful concurrent combinators (library, mit, web)2017-05-280.2.0.0AlexanderThiemann
async-extras120.01Extra Utilities for the Async Library (bsd3, concurrency, library)2017-02-230.1.3.2JonathanFischoff, lloucas
async-io-either72.01Could be useful (bsd3, error-handling, library)2017-02-210.1.0.4schalmers
async-manager10.01A thread manager for async (bsd3, concurrency, library, program)2014-05-300.1.1.0JonathanFischoff
async-pool130.04A modified version of async that supports worker groups and many-to-many task dependencies (library, mit, system)2023-07-030.9.2JohnWiegley
async-refresh80.01Package implementing core logic for refreshing of expiring data. (bsd3, control, library)2018-03-200.3.0.0mtesseract
async-refresh-tokens80.01Package implementing core logic for refreshing of expiring access tokens (bsd3, control, library)2018-03-210.4.0.0mtesseract
async-timer310.02Provides API for timer based execution of IO actions (bsd3, concurrency, library)2018-02-280.2.0.0mtesseract
asynchronous-exceptions (deprecated)30.01Distinguish between synchronous and asynchronous exceptions (control, deprecated, library, mit)2014-02-051.1.0.1RomanCheplyaka
aterm50.02serialisation for Haskell values with sharing support (data, gpl, library, parsing)2020-10-060.1.0.2ChristianMaeder
aterm-utils10.01Utility functions for working with aterms as generated by Minitermite (bsd3, language, library, program)2013-06-180.2.0.2JasonDagit
atl (deprecated)50.02Arrow Transformer Library (bsd3, control, deprecated, library)2016-09-2817072
atlas32.01Skyline rectangle packing (graphics, library)2021-03-240EdwardKmett
atlassian-connect-core250.01Atlassian Connect snaplet for the Snap Framework and helper code. (apache, library, snap, web)2023-08-070.10.1.0RobertMassaioli, eero, AshleyValent
atlassian-connect-descriptor600.02Code that helps you create a valid Atlassian Connect Descriptor. (apache, data, library)2023-08-060.4.15.0RobertMassaioli, eero, AshleyValent
atmos50.031976 US Standard Atmosphere Model (library, public-domain, science)2016-08-270.4.0.0GregHorn
atmos-dimensional (deprecated in favor of atmos)50.01dimensional wrapper on atmos package (bsd3, deprecated, library, science)2014-08-160.1.2GregHorn
atmos-dimensional-tf (deprecated in favor of atmos)50.01dimensional-tf wrapper on atmos package (bsd3, deprecated, library, science)2014-08-160.1.2GregHorn
atndapi20.01An interface of ATND API (bsd3, library, web)2016-03-290.1.1.0ynishi
atom60.04An EDSL for embedded hard realtime applications. (bsd3, embedded, language, library)2015-06-031.0.13LeePike, TomHawkins
atom-basic70.01Basic Atom feed construction (bsd3, library, web)2017-06-030.2.5cbaatz
atom-conduit310.02Streaming parser/renderer for the Atom 1.0 standard (RFC 4287). (conduit, library, public-domain, xml)2025-03-020.9.0.2koral
atom-msp43010.01Convenience functions for using Atom with the MSP430 microcontroller family. (embedded, library, mit)2014-01-060.5.3DanielBuckmaster
atomic-counter590.02Mutable counters that can be modified with atomic operatinos (apache, concurrency, data, data-structures, library)2024-12-160.1.2.3SergeyVinokurov
atomic-file-ops70.01Functions to atomically write to files (bsd3, library, system)2018-01-150.3.0.0clinton
atomic-modify20.01A typeclass for mutable references that have an atomic modify operation. (apache, concurrency, library)2022-01-140.1.0.3chris_martin
atomic-modify-general32.00Generalizations of atomicModifyIORef (bsd2, concurrency, library)2023-03-100.1.0.0dfeuer
atomic-primops1072.031A safe approach to CAS and other atomic ops in Haskell. (bsd3, data, library)2024-06-200.8.8BrandonSimmons, GregoryCollins, RyanNewton, ryanglscott, peter_fogg, chchen
atomic-primops-foreign40.01An atomic counter implemented using the FFI. (bsd3, data, library)2014-08-180.6.2RyanNewton
atomic-primops-vector30.01Atomic operations on Data.Vector types (bsd3, concurrency, library)2015-02-140.1.0.1peter_fogg
atomic-write452.07Atomically write to a file (library, mit, system)2025-02-130.2.1.1jsl, stackbuilders, sestrella, wild_willy, amejia
atp10.00Interface to automated theorem provers (formal-methods, gpl, library, logic, math, theorem-provers)2021-01-250.1.0.0EK
atp-haskell32.02Translation from Ocaml to Haskell of John Harrison's ATP code (bsd3, library, logic, theorem-provers)2024-04-031.14.3DavidFox
atrans30.01A small collection of monad (transformer) instances. (library, mit, monads)2016-01-200.1.1.0apho
atrophy30.00Faster integer division and modulus operations (library, math, mit)2022-08-210.1.0.0goolord
ats-pkg170.00A build tool for ATS (ats, bsd3, development, library, program)2022-10-033.5.0.3vmchale
ats-setup40.02ATS scripts for Cabal builds (ats, bsd3, cabal, development, library)2018-02-230.4.0.2
ats-storable40.01Marshal ATS types into Haskell (ats, bsd3, generics, library)2018-06-140.3.0.5vmchale
attempt (deprecated in favor of exceptions)160.016Concrete data type for handling extensible exceptions as failures. (deprecated) (bsd3, data, deprecated, failure, library)2014-03-260.4.0.1MichaelSnoyman
attenuation50.02Subtyping relations and variance roles (apache, constraints, library)2021-10-110.2.0AndrewPritchard
attenuation-profunctors20.00Attenuation support for Profunctors. (apache, constraints, library)2021-10-110.1.0AndrewPritchard
atto-lisp10.07Efficient parsing and serialisation of S-Expressions. (bsd3, data, library, text)2018-09-240.2.2.3ThomasSchilling
attoparsec2572.75937Fast combinator parsing for bytestrings and text (bsd3, library, parsing, text)2022-01-100.14.4BasVanDijk, BenGamari, BryanOSullivan
attoparsec-aeson980.028Parsing of aeson's Value with attoparsec (bsd3, library, parsing)2024-05-172.2.2.0phadej
attoparsec-arff30.01An ARFF file parser using Attoparsec (ai, data, gpl, library, text)2012-02-090.0PaulWilson
attoparsec-base6480.01Fetch only base64 characters, erroring in the attoparsec monad on failure (bsd3, library, web)2017-11-240.0.0athanclark
attoparsec-binary130.012Binary processing extensions to Attoparsec. (bsd3, data, library)2012-09-220.2AndrewDrake
attoparsec-conduit (deprecated in favor of conduit-extra)200.034Consume attoparsec parsers via conduit. (deprecated) (conduit, data, deprecated, library, mit, parsing)2014-04-021.1.0MichaelSnoyman
attoparsec-csv20.01A parser for CSV files that uses Attoparsec (library, text)2016-07-310.1.1.0RobinBateBoerop
attoparsec-data150.06Parsers for the standard Haskell data types (library, mit, parsing)2023-12-091.0.5.4NikitaVolkov
attoparsec-enumerator (deprecated)70.023Pass input from an enumerator to an Attoparsec parser. (deprecated, enumerator, library, mit, parsing, text)2015-05-160.3.4JohnMillikin
attoparsec-expr90.05Port of parsec's expression parser to attoparsec. (bsd3, library, parsing, text)2015-05-110.1.1.2AdamBergmark, ErikHesselink, SebastiaanVisser
attoparsec-framer140.00Use Attoparsec to parse framed protocol byte streams (attoparsec, bsd3, library, network-api, parsing, program)2024-07-190.1.0.9adetokunbo
attoparsec-ip (deprecated in favor of ip)30.01Parse IP data types with attoparsec (bsd3, deprecated, library, web)2018-11-140.0.5athanclark
attoparsec-iso8601872.06Parsing of ISO 8601 dates, originally from aeson (bsd3, library, parsing)2024-05-171.1.1.0AdamBergmark, phadej, lyxia
attoparsec-iteratee10.05An adapter to convert attoparsec Parsers into blazing-fast Iteratees (bsd3, data, library)2011-11-280.4.0GregoryCollins, JohnLato
attoparsec-parsec40.01An Attoparsec compatibility layer for Parsec (library, mit, parsing)2014-03-210.1.3SimonHengel
attoparsec-path70.01Convenience bindings between path and attoparsec (bsd3, library, web)2017-09-280.0.0.1athanclark
attoparsec-run30.01Conveniently run Attoparsec parsers (apache, library, parsing)2023-04-100.0.2.0chris_martin, Monoid_Mary
attoparsec-text (deprecated in favor of attoparsec)20.012(deprecated) (bsd3, deprecated, library, parsing, text)2012-01-300.8.5.3BryanOSullivan, FelipeLessa
attoparsec-text-enumerator40.02(deprecated) (enumerator, library, mit, parsing, text)2012-01-300.2.0.1FelipeLessa
attoparsec-time90.04Attoparsec parsers of time (attoparsec, library, mit, parsers, time)2023-12-091.0.3.1NikitaVolkov
attoparsec-trans60.02Interleaved effects for attoparsec parsers (control, library, mit)2015-06-160.1.1.0srijs
attoparsec-uri140.06URI parser / printer using attoparsec (bsd3, library, web)2023-09-270.0.9athanclark
attoparsec-varword30.01Variable-length integer decoding for Attoparsec (data, lgpl, library)2018-05-030.1.0.0ch3pjw
attosplit20.01Split a lazy bytestring at boundaries defined by an attoparsec parser (bsd3, data, library)2011-12-190.1.0.0YitzGale
audacity80.01Interchange with the Audacity sound signal editor (bsd3, library, sound)2024-01-160.0.2.2HenningThielemann
audiovisual50.02A battery-included audiovisual framework (bsd3, data, library, records)2015-03-210.0FumiakiKinoshita
augeas30.01A Haskell FFI wrapper for the Augeas API (library, program, system)2012-03-280.6.1JudeNagurney
aur122.02Access metadata from the Arch Linux User Repository. (gpl, library, linux)2021-10-217.0.7fosskers
aur-api20.01ArchLinux AUR json v5 API (bsd3, library, web)2016-06-160.1.2.1wangbj
aura60.00A secure package manager for Arch Linux and the AUR. (gpl, library, program, system)2024-07-163.2.10fosskers
authenticate1600.013Authentication methods for Haskell web applications. (library, mit, web)2023-09-141.3.5.2FelipeLessa, MichaelSnoyman
authenticate-kerberos90.02Authentication methods for Haskell web applications. (bsd3, library, web)2012-01-281.0.0ArashRouhani
authenticate-ldap50.02LDAP authentication for Haskell web applications. (bsd3, library, web)2012-03-290.0.3MichaelLitchard
authenticate-oauth940.020Library to authenticate with OAuth for Haskell web applications. (bsd3, library, web)2021-06-201.7FelipeLessa, HiromiIshii, MichaelLitchard, MichaelSnoyman, achirkin, janus
authinfo-hs30.01Password querying for .authinfo (library, mit, system)2014-10-290.1.0.0robgssp
authoring20.01A library for writing papers (bsd3, library, text)2014-07-070.3.4TakayukiMuranushi
auto72.251Denotative, locally stateful programming DSL & platform (control, library, mit)2017-01-140.4.3.1jle
auto-lift-classes20.01Deriving (Show|Read)(1|2) (bsd3, data, library, reflection)2023-12-081.1viercc
auto-split80.00Case splitting plugin (bsd3, development, library)2025-03-040.1.0.3aaronallen8455
auto-update1660.028Efficiently run periodic, on-demand actions (control, library, mit)2024-12-230.2.6KazuYamamoto, MichaelSnoyman
autoapply92.00Template Haskell to automatically pass values to functions (bsd3, library, template-haskell)2022-09-270.4.1.3jophish, expipiplus1
autodocodec480.020Self-documenting encoder and decoder (library, mit, unclassified)2024-09-010.4.2.2Norfair
autodocodec-nix260.01Autodocodec interpreters for nix (library, mit, unclassified)2025-02-140.1.0.0Norfair
autodocodec-openapi3130.01Autodocodec interpreters for openapi3 (library, mit, unclassified)2024-07-290.2.1.4Norfair
autodocodec-schema330.02Autodocodec interpreters for JSON Schema (library, mit, unclassified)2025-02-140.2.0.1Norfair
autodocodec-servant-multipart60.00Autodocodec interpreters for Servant Multipart (library, mit, unclassified)2024-07-210.0.0.1Norfair
autodocodec-swagger280.00Autodocodec interpreters for swagger2 (library, mit, unclassified)2024-07-290.1.0.0Norfair
autodocodec-yaml300.05Autodocodec interpreters for yaml (library, mit, unclassified)2025-02-140.4.0.1Norfair
autoexporter452.04Automatically re-export modules. (library, mit, program, utility)2025-02-022.0.0.13fozworth
autom20.01Generates and displays patterns from next nearest neighbors cellular automata (gpl, graphics, library)2016-10-220.1.0.3infrared
automata20.00automata (bsd3, data, library, math)2019-01-220.1.0.0chessai
automaton60.03Effectful streams and automata in coalgebraic encoding (library, mit, program, streaming)2024-11-121.5turion
automitive-cse (deprecated in favor of automotive-cse)30.01Automotive CSE emulation (bsd3, codec, deprecated, library)2016-04-090.0.1.0KeiHibino
automotive-cse (deprecated)70.01Automotive CSE emulation (bsd3, codec, deprecated, library)2016-05-180.1.8.0KeiHibino
autonix-deps (deprecated)20.02Library for Nix expression dependency generation (bsd3, deprecated, library, nix)2015-06-250.3.0.0ThomasTuegel
autonix-deps-kf5 (deprecated)10.01Generate dependencies for KDE 5 Nix expressions (bsd3, deprecated, library, nix, program)2015-06-250.3.0.0ThomasTuegel
autopack12.250Custom Setup to automate package modules discovery (cabal, customsetup, development, distribution, library, mpl, setup)2020-03-190.0.0.0vrom911
autoproc40.01EDSL for Procmail scripts (bsd3, library, program, system)2016-08-130.2.1GwernBranwen, JasonDagit
avahi30.01Minimal DBus bindings for Avahi daemon (http://avahi.org) (bsd3, library, network, program)2018-09-170.2.0IlyaPortnov
average40.05An average (arithmetic mean) monoid. (bsd3, library, unclassified)2015-06-290.6.1HansHoglund
avers42.04Server-side implementation of the Avers storage model (avers, gpl, library)2016-12-280.0.17.1wereHamster
avers-api20.02Types describing the core and extended Avers APIs (avers, library, mit)2017-09-170.1.0wereHamster
avers-api-docs20.01Swagger documentation for the Avers API (avers, library, mit)2017-02-060.0.18.0wereHamster
avers-server20.01Server implementation of the Avers API (avers, library, mit)2018-10-260.1.0.1wereHamster
aviation-cessna172-diagrams80.01Diagrams for the Cessna 172 aircraft in aviation. (aviation, library)2021-03-170.0.3TonyMorris
aviation-cessna172-weight-balance60.01Weight and Balance for the Cessna 172 aircraft in aviation. (aviation, bsd3, library)2021-03-170.0.2TonyMorris
aviation-navigation30.00Aviation Navigation functions (bsd3, library, program, test)2021-07-030.1.0.0TonyMorris
aviation-units70.03Units of measurements used in aviation. (aviation, bsd3, library)2021-03-220.0.3TonyMorris
aviation-weight-balance60.02Weight and Balance structures used in aviation. (aviation, bsd3, library)2021-03-220.0.3TonyMorris
avif32.01High-level bindings to libavif (agpl, codec, image, library)2023-08-130.1.2.1vmchale
avl-static30.01A compile-time balanced AVL tree. (bsd3, data, library)2014-01-120.1.0.0FedericoLebron
avr-shake10.01AVR Crosspack actions for shake build systems. (development, library, public-domain)2015-08-210.0.1.2JamesCook
avro242.2511Avro serialization support for Haskell (bsd3, data, library)2024-08-040.6.2.1newhoggy, alexeyraga, haskellworks
avro-piper20.00Tool for decoding avro (bsd3, data, library, program)2020-01-131.0.3newhoggy, haskellworks
avwx60.00Parse aviation weather reports (aviation, library, mit, program)2020-08-030.3.0.3hc
awesome-prelude20.01A prelude which I can be happy with. Based on base-prelude. (gpl, library, prelude)2016-02-110.1.0.0kozross
awesomium20.02High-level Awesomium bindings. (graphics, lgpl, library, web)2012-11-130.1.0.0MaksymilianOwsianny
awesomium-glut10.01Utilities for using Awesomium with GLUT. (graphics, lgpl, library, web)2012-11-130.1.0.0MaksymilianOwsianny
awesomium-raw20.03Low-level Awesomium bindings. (graphics, lgpl, library, web)2012-11-130.1.0.0MaksymilianOwsianny
aws450.021Amazon Web Services (AWS) for Haskell (aws, bsd3, cloud, distributed-computing, library, network, web)2025-01-200.24.4AristidBreitkreuz, BenGamari, FelipeLessa, JoeyHess, JohnWiegley, MichaelSnoyman
aws-arn60.00Types and optics for manipulating Amazon Resource Names (ARNs) (aws, bsd3, cloud, library)2025-01-160.3.3.0jack, Bellroy, kokobd, HughDavidson
aws-cloudfront-signed-cookies202.00Generate signed cookies for AWS CloudFront (aws, cloud, library, mit, network, program)2025-01-210.2.0.13chris_martin, Monoid_Mary
aws-cloudfront-signer70.01For signing AWS CloudFront HTTP URL requests (aws, bsd3, cloud, distributed-computing, library, network, web)2015-10-201.1.0.3ChrisDornan
aws-configuration-tools30.00Configuration types, parsers & renderers for AWS services (apache, cloud, configuration, library)2015-05-070.1.0.0JonSterling
aws-dynamodb-conduit80.01Conduit-based interface for AWS DynamoDB (aws, library, mit)2015-06-260.1.0.6srijs
aws-dynamodb-streams20.01Haskell bindings for Amazon DynamoDB Streams (apache, library, network)2014-12-080.1.0.0JonSterling, puffnfresh
aws-easy40.00Helper function and types for working with amazonka (library, mit, network, program)2021-11-020.1.0.3rcook
aws-ec220.01AWS EC2/VPC, ELB and CloudWatch client library for Haskell (aws, bsd3, cloud, distributed-computing, library, network, program, web)2017-05-180.3.7AmitLevy, DavidTerei, IanRoss, VladimirKirillov
aws-ec2-knownhosts10.00Capture and manage AWS EC2 known_host pubkeys (aws, bsd3, library, network, program)2017-11-270.1.0.0LukeHoersten
aws-elastic-transcoder80.01Haskell suite for the Elastic Transcoder service (aws, bsd3, cloud, distributed-computing, library, network, web)2014-02-030.2.0.2ChrisDornan
aws-general30.07Bindings for Amazon Web Services (AWS) General Reference (aws, cloud, distributed-computing, library, mit, network, web)2015-03-300.2.2larsk
aws-kinesis30.04Bindings for Amazon Kinesis (apache, aws, cloud, distributed-computing, library, network, web)2015-03-300.1.5larsk
aws-kinesis-client50.01A producer & consumer client library for AWS Kinesis (apache, cloud, library, program)2015-05-070.4.0.2JonSterling, larsk
aws-kinesis-reshard20.01Reshard AWS Kinesis streams in response to Cloud Watch metrics (apache, cloud, library, program)2015-01-220.1.0.1JonSterling
aws-lambda30.01Haskell bindings for AWS Lambda (apache, cloud, library, network)2015-01-070.1.0.1JonSterling
aws-lambda-haskell-runtime410.01Haskell runtime for AWS Lambda (apache, aws, library)2024-02-224.3.2NickSeagull, mikota95
aws-lambda-haskell-runtime-wai152.00Run wai applications on AWS Lambda (aws, bsd3, library)2021-06-302.0.2dnikolovv
aws-lambda-runtime60.00Haskell on AWS Lambda Runtime API (apache, aws, development, library, program)2020-01-080.0.0.1phadej
aws-larpi22.00Package Haskell functions for easy use on AWS Lambda. (aws, library, mit)2021-01-260.1.0.0tritlo
aws-performance-tests40.01Performance Tests for the Haskell bindings for Amazon Web Services (AWS) (aws, cloud, distributed-computing, library, mit, network, program, web)2014-09-020.1.1larsk
aws-route5320.01Amazon Route53 DNS service plugin for the aws package. (bsd3, library, web)2016-02-260.1.2.2AmitLevy, DavidTerei
aws-sdk60.02AWS SDK for Haskell (aws, bsd3, cloud, distributed-computing, library)2014-04-140.12.4YusukeNomura
aws-sdk-text-converter70.02The text converter for aws-sdk. (bsd3, library, web)2015-10-300.4.1YusukeNomura
aws-sdk-xml-unordered50.01The xml parser for aws-sdk package (bsd3, library, xml)2014-08-060.3.1ShoheiYasutake
aws-secrets20.00Fetch data from AWS Secrets Manager (aws, library, mit, password)2025-01-210.0.0.1chris_martin
aws-ses-easy40.01Wrapper over Amazonka's SES (bsd3, library, network)2018-03-250.1.0jxv
aws-sign420.02Amazon Web Services (AWS) Signature v4 HTTP request signer (aws, bsd3, cloud, distributed-computing, library, network, web)2014-07-281.1.0.1ChrisDornan
aws-simple20.01Dead simple bindings to commonly used AWS Services (library, mit, web)2017-03-110.4.0.0AlexanderThiemann
aws-sns20.01Bindings for AWS SNS Version 2013-03-31 (aws, cloud, distributed-computing, library, mit, network, web)2014-08-050.1larsk
aws-sns-verify50.00Parse and verify AWS SNS messages (amazon, aws, cloud, cryptography, distributed-computing, library, mit, network, web)2023-07-260.0.0.3PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
aws-spend-summary90.00Extract recent daily AWS costs (aws, gpl, library, program)2025-03-160.2.0.2danielrolls
aws-transcribe-ws10.00Websocket streaming to Amazon Transcribe service (bsd3, library, web)2021-07-160.0.1.03kyro
aws-xray-client100.02A client for AWS X-Ray. (library, mit, tracing)2022-04-060.1.0.2PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
aws-xray-client-persistent170.01A client for AWS X-Ray integration with Persistent. (library, mit, unclassified)2022-04-060.1.0.5PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
aws-xray-client-wai80.01A client for AWS X-Ray integration with WAI. (library, mit, unclassified)2022-04-060.1.0.2PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
awsspendsummary (deprecated in favor of aws-spend-summary)30.00Extract recent daily AWS costs (aws, deprecated, gpl, library, program)2024-11-030.1.0.1danielrolls
axel20.00The Axel programming language. (bsd3, language, library, lisp, macros, program, transpiler)2019-10-030.0.12jgrosso256
axiom30.01Web EDSL for running in browsers and server nodes using transient (library, mit, web)2018-05-290.4.7AlbertoCorona
axiomatic-classes20.01Specify axioms for type classes and quickCheck all available instances (library, mit, testing)2016-10-280.1.0.0SimonHudon, bandali
azimuth-hs (deprecated)30.00Interact with Azimuth from Haskell (deprecated, library, mpl, urbit)2020-08-140.2.1JaredTobin
aztecs650.06A modular game engine and Entity-Component-System (ECS) for Haskell. (bsd3, game-engine, library, program, unclassified)2025-03-140.12.0matthunz
aztecs-asset30.01A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library)2025-02-170.2.0.0matthunz
aztecs-hierarchy40.00A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library)2025-02-170.2.0.0matthunz
aztecs-sdl430.02A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library, program)2025-03-060.7.0matthunz
aztecs-sdl-image340.00A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library, program)2025-03-040.6.0matthunz
aztecs-sdl-text160.00A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library, program)2025-03-040.6.0matthunz
aztecs-transform40.01A type-safe and friendly Entity-Component-System (ECS) for Haskell (bsd3, game-engine, library)2025-02-170.2.0.0matthunz
azubi10.01A simple DevOps tool which will never "reach" enterprice level. (gpl, library, system)2017-10-140.2.0.3palo
azure-acs20.02Windows Azure ACS (bsd3, library, web)2014-05-150.0.1.1kapilash
azure-email20.01send email with microsoft azure (bsd3, library, web)2018-11-090.1.0.0chessai
azure-functions-worker20.00Azure Functions Worker (azure, cloud, library, mit, serverless)2020-07-030.0.0.0alexeyraga
azure-service-api10.02Haskell bindings for the Microsoft Azure Service Management API (bsd3, library, network)2012-11-050.1.0.0EdskoDeVries, MathieuBoespflug, TimWatson
azure-servicebus70.01Haskell wrapper over Microsoft Azure ServiceBus REST API (bsd3, library, web)2014-05-170.1.6.0kapilash
azurify60.01A simple library for accessing Azure blob storage (bsd3, development, library)2014-09-230.4.0.5ArnoVanLumig, GregWeber, SeanLeather
b-tree20.01Immutable disk-based B* trees (bsd3, data, library)2018-11-040.1.4BenGamari
b992.01A tool and library for building virtual machine images. (development, library, mit, program)2022-03-283.2.3SvenHeyll
babl30.02Haskell bindings to BABL library. (graphics, lgpl, library)2017-01-010.0.0.2nek0
babynf20.00Library for generating parsers from ABNF (data, library, mit)2024-08-050.1.0.2barnaba_piotrowski
backblaze-b2-hs20.00A client library to access Backblaze B2 cloud storage in Haskell. (bsd3, cloud, library, network, program)2019-07-240.1.0.0AdityaManthramurthy
backdropper20.01Rotates backdrops for X11 displays using Imagemagic. (library, program, unclassified)2009-08-181.2YannGolanski
backprop412.258Heterogeneous automatic differentation (bsd3, library, math)2023-07-230.2.6.5jle
backstop12.00Backstop a target directory by source directories (development, gpl, library, program)2019-11-041.3.0.354mdgabriel
backtracking82.01A backtracking monad (bsd3, control, library)2020-07-030.1.0SatoshiEgi, momohatt
backtracking-exceptions (deprecated)40.01A monad transformer for backtracking exceptions (bsd3, control, deprecated, library)2014-08-220.1.0.0
backward-state10.01A state monad that runs the state in reverse through the computation (bsd3, control, library, monads)2013-01-140.1.0.2LukePalmer
bag (deprecated in favor of dlist)20.01A simple stable bag. (data-structures, deprecated, library, mit)2011-07-220.1DanielWaterworth
bake40.01Continuous integration system (bsd3, development, library, program)2016-10-280.5NeilMitchell
balkon30.01Text layout engine built on top of HarfBuzz. (gpl, library, text)2023-07-031.3.0.0alcinnz
ballast20.01Shipwire API client (bsd3, library, web)2017-08-170.2.0.0alexeyzab
bamboo320.04A blog engine on Hack (library, web)2010-02-242010.2.25JinjingWang
bamboo-plugin-highlight30.01A highlight middleware (library, web)2009-07-052009.7.5JinjingWang
bamboo-plugin-photo20.01A photo album middleware (bsd3, library, web)2009-07-052009.7.5JinjingWang
bamboo-theme-blueprint100.01bamboo blueprint theme (bsd3, library, web)2010-02-242010.2.25.1JinjingWang
bamboo-theme-mini-html580.01bamboo mini html5 theme (library, web)2009-11-262009.11.27JinjingWang
bamse30.01A Windows Installer (MSI) generator framework (bsd3, library, system)2009-05-150.9.5SigbjornFinne
bamstats40.01A program to extract various information from BAM alignmnet files. (bioinformatics, library, program)2013-10-180.4KetilMalde
ban-instance30.00For when a type should never be an instance of a class (bsd3, haskell, library)2019-11-080.1.0.1qfpl, jack
bank-holiday-germany70.00German bank holidays and public holidays (library, mit, time)2024-04-021.3.0.0schoettl
bank-holiday-usa50.01US bank holidays (library, mit, time)2021-11-110.2.0tippenein
bank-holidays-england130.01Calculation of bank holidays in England and Wales (bsd3, data, library)2024-10-290.2.0.11dcturner, dten
banwords (deprecated)20.01Generalized word blacklister (deprecated, heuristics, library, mit)2015-07-140.2.0.1fanjam
barbies932.2513Classes for working with types that can change clothes. (bsd3, data-structures, library)2024-01-132.1.1.0DanielGorin
barbies-layered30.00Barbies with layered clothes. (apache, data-structures, library)2021-07-150.1.0.0kakkun61
barbies-th240.02Create strippable HKD via TH (bsd3, data, data-structures, generics, library)2023-12-120.1.11FumiakiKinoshita
barchart10.01Creating Bar Charts in Haskell (bsd3, graphics, library, program)2011-05-060.1.1.1SebastianFischer
barcodes-code12820.01Generate Code 128 barcodes as PDFs (graphics, library, mit)2014-10-310.1.0dchristiansen
barecheck (deprecated)20.03QuickCheck implementations for common types (bsd3, deprecated, library, testing)2015-03-200.2.0.8OmariNorman
barlow-lens20.00lens via string literals (bsd3, generics, lens, library, records)2023-08-310.1.0.2deemp, kana
barrie10.01Declarative Gtk GUI library (gui, library)2009-02-260.4.1FraserWilson
barrier20.01Shields.io style badge generator (graphics, library, mit)2016-12-120.1.1HirotomoMoriwaki
barrier-monad10.01Implementation of barrier monad, can use custom front/back type (control, library, public-domain)2011-12-010.1.0.1AaronBlack
base1402.7516462Core data structures and operations (bsd3, library, prelude)2024-12-164.21.0.0AustinSeipp, BenGamari, HerbertValerioRiedel, IanLynagh, LuiteStegeman, PaoloCapriotti, wz1000
base-compat2472.0165A compatibility layer for base (compatibility, library, mit)2024-12-060.14.1SimonHengel, ryanglscott
base-compat-batteries1740.024base-compat with extra batteries (compatibility, library, mit)2024-12-060.14.1ryanglscott
base-compat-migrate20.01Helps migrating projects to base-compat(-batteries). (bsd3, development, library)2020-03-250.2.0.1AdamBergmark
base-encoding70.02RFC4648 Binary-to-text encodings (e.g. base64) (bsd3, codec, library, text)2022-09-160.3.0.0HerbertValerioRiedel
base-feature-macros40.01Semantic CPP feature macros for base (bsd3, development, library)2017-06-050.1.0.1HerbertValerioRiedel
base-generics10.01This library provides some instances for extra GHC.Generic typeclass such as Int8, Word16 and some unboxed types as well. (generic, library, mit)2015-06-190.1.0.1songzh
base-io-access20.03The IO functions included in base delimited into small, composable classes (gpl, library, system)2015-02-110.4.0.0bheklilr
base-noprelude182.035"base" package sans "Prelude" module (bsd3, development, library)2019-08-264.13.0.0HerbertValerioRiedel
base-orphans2422.059Backwards-compatible orphan instances for base (compatibility, library, mit)2024-12-060.9.3EdwardKmett, HerbertValerioRiedel, SimonHengel, ryanglscott
base-prelude212.2595Featureful preludes formed solely from the "base" package (library, mit, prelude)2023-10-111.6.1.1NikitaVolkov
base-unicode-symbols582.597Unicode alternatives for common functions and operators (bsd3, library, unclassified)2019-07-100.2.4.2RoelVanDijk
base16412.011Fast RFC 4648-compliant Base16 encoding (bsd3, data, library)2023-06-221.0topos
base16-bytestring742.0175RFC 4648-compliant Base16 encodings for ByteStrings (bsd3, data, library)2021-10-291.0.2.0BryanOSullivan, HerbertValerioRiedel, MikhailGlushenkov, topos
base16-lens30.00Optics for the Base16 library (bsd3, data, library)2021-02-220.1.3.2topos
base32122.05Fast RFC 4648-compliant Base32 encoding (bsd3, data, library)2023-10-190.4topos
base32-bytestring140.02Fast base32 and base32hex codec for ByteStrings (bsd3, codec, data, library)2013-12-010.2.1.0SamTruzjan
base32-lens30.00Optics for the Base32 library (bsd3, data, library)2021-02-220.1.1.1topos
base32-z-bytestring20.01Fast z-base32 and z-base32hex codec for ByteStrings (bsd3, codec, data, library)2019-04-091.0.0.0AlfredoDiNapoli, RenzoCarbonara
base32string60.02Fast and safe representation of a Base-32 string (data, library, mit)2015-05-270.9.1solatis
base58-bytestring310.011Implementation of BASE58 transcoding for ByteStrings (bytestrings, data, library, public-domain)2015-01-300.1.0AlekseyUymanov
base58address20.03Parsing and serialization for Base58 addresses (Bitcoin and Ripple) (library, web)2013-04-280.4StephenWeber
base58string100.04Fast and safe representation of a Base-58 string (data, library, mit)2015-05-100.10.0solatis
base6220.00Base62 encoding and decoding (bsd3, data, library)2024-02-060.1.1.2andrewthad, l3c_amartin
base64710.030A modern Base64 library (bsd3, data, library)2024-01-111.0topos, SofiaMA
base64-bytes30.00Base64 encoding of byte sequences (bsd3, data, library)2024-02-010.1.1.1andrewthad, l3c_amartin
base64-bytestring1042.25377Fast base64 encoding and decoding for ByteStrings (bsd3, data, library)2021-08-121.2.1.0BryanOSullivan, HerbertValerioRiedel, MikhailGlushenkov, topos
base64-bytestring-type230.05A newtype around ByteString, for base64 encoding (bsd3, data, library)2019-03-271.0.1ErikDeCastroLopo, phadej
base64-conduit (deprecated in favor of conduit-combinators)20.03Base64-encode and decode streams of bytes. (deprecated) (bsd3, conduit, data, deprecated, library)2014-03-211.0.0.1MichaelSnoyman
base64-lens40.00Optics for the Base64 library (bsd3, data, library)2021-02-220.3.1topos
base64-string100.024Base64 implementation for String's. (codec, library)2010-02-260.2IanLynagh
base9180.00A Generic Base91 Encoder & Decoder (codec, library, mit, program)2015-07-112.1.0ajg
based10.00alternative prelude (library, mit, prelude)2022-06-200.1chessai
basen10.00 (library, unclassified)2019-10-060.2.0.0fabianhjr
basen-bytestring30.01 (base16, base32, base64, bsd3, library, rfc4648, unclassified)2018-03-290.1.0.1filwisher
baserock-schema30.00Baserock Definitions Schema (bsd3, data, library, program)2018-07-030.0.3.5locallycompact
basex-client40.01A BaseX client for Haskell (database, library, mit)2015-12-080.2.0.0MatthijsSteen
bash70.01Bash generation library. (bsd3, language, library)2013-03-170.1.8JasonDusek
basic20.03Lifting values from base types (bsd3, library, unclassified)2018-05-220.1.0.0
basic-cpuid40.01A small package to access the cpuid instruction directly. (bsd3, library, system)2017-07-090.1.0.0JonasScholl
basic-gps10.00Basic implementation of General Problem Solver algorithm (ai, library, mit)2023-12-040.1.0.0InAnYan
basic-lens30.02Basic lens type and functions (bsd3, development, library)2017-03-160.0.2ChrisDone
basic-prelude312.2534An enhanced core prelude; a common foundation for alternate preludes. (control, library, mit, prelude)2017-12-050.7.0DanBurton, MichaelSnoyman
basic-sop42.01Basic examples and functions for generics-sop (bsd3, generics, library)2023-11-080.3.0AndresLoeh, EdskoDeVries
basics10.00Modules for primitive types (bsd3, data, library)2023-08-290.2.0.0andrewthad
batch60.01Simplify queuing up data and processing it in batch. (bsd3, data, library)2018-01-270.1.0.0AlexanderThiemann
batchd-core30.02Core modules of batchd, to use in batchd extensions (bsd3, library, system)2022-02-060.1.0.0IlyaPortnov
batchd-docker40.00docker containers host controller for batchd (bsd3, library, system)2022-02-060.1.0.0IlyaPortnov
batchd-libvirt30.00host controller for batchd, which controls virtual machines via libvirt library. (bsd3, library, system)2022-02-060.1.0.0IlyaPortnov
batching30.00An Applicative Functor deferring actions to run in a batch later. (algorithms, apache, library)2021-09-090.1.0.0AndrewPritchard
battlenet20.02API client for Battle.Net (library, mit, network)2015-02-010.2.0.0teozkr
battlenet-yesod30.01Yesod integration for the battlenet package (library, mit, network)2015-02-010.2.0.0teozkr
battleplace30.01Core definitions for BattlePlace.io service (game, library, mit)2020-08-080.1.0.10quyse
battleplace-api40.01Public API definitions of BattlePlace.io service (game, library, mit)2018-07-240.1.0.3quyse
battleship-combinatorics70.00Compute number of possible arrangements in the battleship game (bsd3, library, math, program)2021-11-180.0.1HenningThielemann
battleships20.01A web-based implementation of battleships including an AI opponent. (bsd3, game, library)2014-04-241.0.0fatho
bayes-stack20.01Framework for inferring generative probabilistic models with Gibbs sampling (bsd3, library, math)2012-10-270.2.0.1BenGamari
bazel-runfiles60.00Locate Bazel runfiles location (apache, build-tool, library, program)2020-04-250.12MathieuBoespflug, shmish111
bbcode10.00Library for parsing, constructing, and printing BBCode (gpl, library, text)2023-12-310.2.0.1repetitive
bbdb80.01Ability to read, write, and modify BBDB files (database, gpl, library)2017-12-140.8HenryLaxen
bbi10.02Tools for reading Big Binary Indexed files, e.g., bigBed, bigWig (bio, bsd3, library)2019-05-240.1.1kaizhang
bcp4790.02Language tags as specified by BCP 47 (data, data-structures, library, mit)2022-03-300.2.0.6PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
bcp47-orphans80.00BCP47 orphan instances (library, mit, orphan-instances)2023-05-300.1.0.6PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
bcrypt160.010Haskell bindings to the bcrypt password hash (bsd3, cryptography, data, library)2017-12-310.0.11AndrewMiller
bdcs40.01Tools for managing a content store of software packages (distribution, lgpl, library, program)2018-05-160.6.1clumens, dshea
bdcs-api20.00BDCS API Server (gpl, library, network, program)2018-06-220.1.3clumens
bdd10.01Behavior-Driven Development DSL (library, mit, testing)2014-12-200.2.0.0irekjozwiak
bdelta (deprecated in favor of bytestring-delta)50.01Simple, fast binary diff/patch (data, deprecated, library, mit)2012-02-220.1.1.1JoeyAdams
bdo30.01Update CSS in the browser without reloading the page. (bsd3, library, program, web)2013-09-111.0.1ChrisDone
beam (deprecated in favor of beam-core)32.51A type-safe SQL mapper for Haskell that doesn't use Template Haskell (database, deprecated, library, mit)2016-01-260.3.2.0TravisAthougies
beam-automigrate42.00DB migration library for beam, targeting Postgres. (bsd3, database, library, program)2024-01-260.1.6.0CaleGibbard, RyanTrinkle, abrar
beam-core372.512Type-safe, feature-complete SQL query and manipulation interface for Haskell (database, library, mit)2024-12-220.10.3.1TravisAthougies, 3noch, LaurentRDC, kmicklas
beam-large-records50.00Integration of large-records with beam-core. (bsd3, database, library)2025-03-110.1.1EdskoDeVries
beam-migrate390.04SQL DDL support and migrations support library for Beam (database, library, mit)2024-10-080.5.3.1TravisAthougies, 3noch, LaurentRDC, kmicklas
beam-mysql20.00Connection layer between beam and MySQL/MariaDB (database, library, mit)2019-03-190.2.0.0TravisAthougies, LaurentRDC, kmicklas
beam-newtype-field (deprecated)20.00A newtype for wrapping newtypes into beam schemas (database, deprecated, library, mit)2018-12-290.2.0.0
beam-postgres272.05Connection layer between beam and postgres (database, library, mit)2025-01-030.5.4.2TravisAthougies, 3noch, LaurentRDC, kmicklas
beam-sqlite240.02Beam driver for SQLite (database, library, mit)2025-01-030.5.4.0TravisAthougies, 3noch, LaurentRDC, kmicklas
beam-th22.01Template Haskell utilities for beam (bsd3, database, library, template-haskell)2016-07-050.2.0.0hesiod
beamable10.02Generic serializer/deserializer with compact representation (bsd3, data, library, serialization)2014-06-030.1.1.1JohnLato, MichaelBaikov
bearlibterminal100.00Low-level Haskell bindings to the BearLibTerminal graphics library. (game, game-development, game-engine, graphics, library, mit, program)2025-03-160.1.0.1PPKFS
bearriver210.03FRP Yampa replacement implemented with Monadic Stream Functions. (bsd3, frp, library)2025-02-280.15IvanPerez, keera_studios_ci, keera_studios_ci_dunai
bech32612.05Implementation of the Bech32 cryptocurrency address format (BIP 0173). (apache, library, program, web)2024-12-281.1.8ErikDeCastroLopo, JonathanKnowles, rvl, KtorZ, KingWilliamNoel
bech32-th210.00Template Haskell extensions to the Bech32 library. (apache, library, web)2024-12-281.1.8ErikDeCastroLopo, JonathanKnowles, rvl, KtorZ, KingWilliamNoel
bed-and-breakfast90.02Efficient Matrix and Vector operations in 100% Haskell. (library, linear-algebra, math, mit, numeric)2018-10-220.5JulianFleischer
beeminder-api10.01Bindings to the beeminder.com JSON API (bsd3, library, network)2017-06-031.0BrentYorgey, DanielWagner, RobinGreen
belgian-structured-communication70.00parsing, rendering and manipulating the structured communication of Belgian financial transactions. (bsd3, finance, library)2025-01-260.2.0.0wvanonsem90
belka10.01HTTP client DSL (library, mit, unclassified)2018-01-220.8NikitaVolkov
benc20.00Bencode encoding and decoding library (codec, library, mit)2023-12-050.1.1.0meooow
bench-graph (deprecated in favor of bench-show)30.00Plot and compare benchmarks (benchmarking, bsd3, deprecated, library, performance)2018-09-220.1.4harendra
bench-show52.01Show, plot and compare benchmark results (benchmarking, bsd3, library, performance, program)2022-02-020.3.2harendra, adithyaov
benchmark-function60.01Test the time it takes to run a haskell function (gpl, library, testing)2017-01-150.1.0.1AlanHawkins
benchpress150.04Micro-benchmarking with detailed statistics. (bsd3, library, program, testing)2024-12-210.2.2.25JohanTibell, willsewell
bencode241.753Parsers and printers for bencoded data. (bsd3, library, text)2020-02-280.6.1.1DavidHimmelstrup, PeterSimons, ChristopherReichert
bencodex12.01Bencodex reader/writer for Haskell (gpl, library, serialization)2018-11-051.0.0hongminhee
bencoding112.05A library for encoding and decoding of BEncode data. (bsd3, data, library)2024-12-110.4.5.6SamTruzjan, SergeyVinokurov
bencoding-lens20.00Lenses for bencoded data. (bsd3, data, library)2022-03-100.1.0.0jmorag
benri-hspec50.01Simplify tests where Either or Maybe types are returned from monadic code (bsd3, library, testing)2024-07-100.1.0.3adetokunbo
bento (deprecated)52.01🍱 Manage stateful components. (deprecated, library, mit, utility)2016-04-160.1.0fozworth
berkeleydb20.01Pretty BerkeleyDB v4 binding. (bsd3, database, library)2008-10-312008.10.31DavidHimmelstrup
berp31.251An implementation of Python 3. (bsd3, language, library, program)2010-05-310.0.2BerniePope
bert40.04BERT implementation (bsd3, data, library)2016-04-051.2.2.5MariusEriksen, RomanCheplyaka, manzyuk
besout30.02Extended GCD of polynomials over F_p[x] (bsd3, library, math)2014-06-210.2.0.1AbdelwahebMiled
bet20.01Betfair API bindings. Bet on sports on betting exchanges. (library, mit, network)2015-07-270.1.2.3Adeon
betacode70.01A codec for beta code (http://en.wikipedia.org/wiki/Beta_Code). (apache, library, text)2025-03-150.1.0.1EricRochester
betris20.00A horizontal version of tetris for braille users (bsd3, game, library, program)2023-10-030.2.3.1mlang
between90.03Function combinator "between" and derived combinators (bsd3, data, library)2016-01-090.11.0.0PeterTrsko
bf-cata20.01 (development, library)2010-10-161.1ArieMiddelkoop
bff10.01Bidirectionalization for Free! (POPL'09) (data, library, public-domain)2011-03-220.3.1.2DanielSeidel, JanisVoigtlaender, JoachimBreitner
bff-mono30.01"Bidirectionalization for Free" for Monomorphic Transformations (bsd3, data, lenses, library)2014-08-140.2.3kztk
bglib10.00Implementation of the BGAPI serial protocol (library, mit, program)2020-12-233.0.0.0tamasFabian
bgmax40.01Parse BgMax-files (bsd3, finance, library)2019-05-150.2.0.4petterb
bgzf (deprecated in favor of pipes-bgzf)20.01Blocked GZip (bsd3, codec, deprecated, library)2015-04-230.1.0.0rcallahan
bibtex160.04Parse, format and processing BibTeX files (bsd3, library, text)2023-07-200.1.0.7HenningThielemann
bidi-icu10.00The unicode bidirectional algorithm via ICU (graphics, library)2021-03-240EdwardKmett
bidirectional10.00Simple bidirectional serialization and deserialization (bsd3, codec, library)2020-10-070.1.0.0MasseR
bidirectional-instances20.00Make instance constraints bidirectional (language, library, mit)2022-09-040.1.0.0lev_135
bidispec10.03Specification of generators and parsers (data, library)2010-10-050.1.3DavidLeuschner, StefanWehr
bidispec-extras20.01Extra helper functions for bidirectional specifications (data, library)2010-10-050.1StefanWehr
bifunctor (deprecated)40.02Bifunctors (bsd3, deprecated, library, unclassified)2018-12-270.1.0.0
bifunctor-classes-compat110.09Compatibility package for the Bifunctor, Bifoldable, and Bitraversable classes (bsd3, data, functors, library)2023-01-290.1ryanglscott
bifunctors2322.5234Bifunctors (bsd3, data, functors, library)2024-03-195.6.2EdwardKmett, EricMertens, ryanglscott
bighugethesaurus30.01API wrapper for Big Huge Thesaurus (api, language, library)2015-12-280.1.0.0TheKing
billboard-parser50.01A parser for the Billboard chord dataset (lgpl, library, music, program)2013-01-171.0.0.1BasDeHaas
billeksah-forms20.01Leksah library (graphics, library)2011-11-291.0.0JuergenNicklischFranken
billeksah-pane20.02Leksah library (graphics, library)2011-11-291.0.0JuergenNicklischFranken
billeksah-services20.03Leksah library (control, library)2011-11-291.0.0JuergenNicklischFranken
bimap580.048Bidirectional mapping between two key types (bsd3, data, library)2022-05-150.5.0StuartCook, joel_williamson
bimap-server40.01Two-column database server. (bsd3, data, library)2015-07-060.1.0.1DanielDiaz
bimaps70.07bijections with multiple implementations. (bsd3, data, library)2017-03-030.1.0.2ChristianHoener
bin420.05Bin: binary natural numbers. (data, dependent-types, gpl, library, math, singletons)2024-06-080.1.4phadej
binance-exports42.00Generate CSV Exports of your Binance Trade History. (bsd3, console, finance, library, program, web)2023-06-240.1.2.0lysergia
binary1830.01119Binary serialisation for Haskell values using lazy ByteStrings (bsd3, data, library, parsing)2025-01-280.8.9.3BenGamari, DonaldStewart, IanLynagh, LennartKolmodin
binary-bits30.010Bit parsing/writing on top of binary. (bsd3, data, library, parsing)2015-01-090.5LennartKolmodin
binary-communicator50.01Flexible way to ease transmission of binary data. (bsd3, data, library)2015-09-141.0.2.2SoenkeHahn, YvesPares
binary-conduit190.017data serialization/deserialization conduit library (conduit, library, mit)2018-10-131.3.1AlexanderVershilov, MathieuBoespflug, ocramz
binary-derive10.01Automatic deriving of Binary using GHC.Generics (data, gpl, library)2011-11-050.1.0JaredHance
binary-enum40.01Simple wrappers around enum types (bsd3, data, library)2016-01-160.1.2.0tolysz
binary-ext30.01An alternate with strong-typed errors for `Data.Binary.Get` monad from `binary` package. (data, library, parsing)2018-06-012.0.4warlock
binary-file20.02read/write binary file (bsd3, file, library)2015-12-190.15.25YoshikuniJujo
binary-generic50.01Generic binary serialisation using binary and syb. (bsd3, data, library, parsing)2012-08-070.2.1LarsPetersen
binary-generic-combinators80.00Combinators and utilities to make Generic-based deriving of Binary easier and more expressive (bsd3, data, library, parsing)2021-12-110.4.4.00xd34df00d
binary-ieee75490.03Backport ieee754 float double combinators to older binary (bsd3, data, library)2016-10-240.1.0.0winterland
binary-indexed-tree20.01Binary Indexed Trees (a.k.a. Fenwick Trees). (data, library)2012-10-100.1MaxwellSayles
binary-instances400.011Orphan instances for binary (bsd3, library, web)2025-03-171.0.6phadej
binary-io42.00Read and write values of types that implement Binary (bsd3, data, io, library, parsing)2021-11-160.6.2vapourismo
binary-list50.02Lists of length a power of two. (bsd3, data, library)2016-07-071.1.1.2DanielDiaz
binary-literal-qq (deprecated)30.01Extends Haskell with binary literals. (bsd3, deprecated, language, library)2012-09-241.0MathieuBoespflug
binary-orphans900.011Compatibility package for binary; provides instances (binary, bsd3, compatibility, data, library, parsing)2024-05-171.0.5phadej
binary-parser550.07An efficient but limited parser API specialised to bytestrings (binary, library, mit, parser)2025-02-010.5.7.7NikitaVolkov
binary-parsers40.03Extends binary with parsec/attoparsec style parsing combinators. (bsd3, data, library)2019-06-260.2.4.0winterland
binary-protocol20.01Monad to ease implementing a binary network protocol. (bsd3, data, library)2009-09-041.0GregoryCrosswhite
binary-protocol-zmq30.01Monad to ease implementing a binary network protocol over ZeroMQ (bsd3, data, library, network)2010-08-020.2NicolasTrangez
binary-search130.04Binary and exponential searches (algorithms, bsd3, library)2021-02-222.0.0RossPaterson, TakayukiMuranushi, Jappie
binary-serialise-cbor130.02Yet Another Binary Serialisation Library (compatibility shim) (bsd3, codec, library)2022-09-240.2.2.0AustinSeipp, BenGamari, FinleyMcIlwaine
binary-shared80.03Sharing for the binary package (data, library)2013-05-040.8.3HamishMackenzie, JuergenNicklischFranken
binary-state30.03Simple wrapper around Data.Binary, which adds StateT to Get/Put monads. (bsd3, data, library)2011-09-300.1.1IlyaPortnov
binary-store (deprecated)20.01Format to store data using the binary transform. (bsd3, data, deprecated, library)2015-01-140.1.0.1DanielDiaz
binary-streams10.01data serialization/deserialization io-streams library (bsd3, data, io-streams, library)2015-05-070.1.0.1GregoryCollins, petterb
binary-strict380.011Binary deserialisation using strict ByteStrings (bsd3, data, library, parsing)2020-04-110.4.8.6AdamLangley, DominicSteinitz
binary-tagged80.03Tagged binary serialisation. (bsd3, data, library)2021-10-090.3.1phadej
binary-tree30.01 (library, mit, unclassified)2018-02-140.1.0.0oisdk
binary-typed (deprecated)20.01Type-safe binary serialization (bsd2, data, deprecated, library, serialization)2015-12-191.0quchen
binary-varint50.02VarInt encoding/decoding via Data.Binary (bsd3, data, library)2019-05-230.1.0.0KimAltintop, jkarni
binarydefer70.01Binary serialization with deferred loading (bsd3, data, library)2014-03-131.2.2NeilMitchell
binaryen130.00Haskell bindings to binaryen (bsd3, compiler, library)2021-01-110.0.6.0MathieuBoespflug, terrorjack
bind-marshal20.01Data marshaling library that uses type level equations to optimize buffering. (bsd3, data, library)2011-10-300.1CoreyOConnor
binder10.00Variable binding for abstract syntax tree (data, library, mit)2023-10-090.3ijaketak
binding-core50.03Data Binding (bsd3, gui, library, user-interfaces)2013-06-090.2.2GideonSireling
binding-gtk10.01Data Binding in Gtk2Hs (bsd3, gui, library, user-interfaces)2013-06-090.2.1GideonSireling
binding-wx10.01Data Binding in WxHaskell (bsd3, gui, library, user-interfaces)2013-06-090.2.1GideonSireling
bindings (deprecated)20.01Deprecated package. (bsd3, deprecated, ffi, library)2009-09-250.1.2MauricioAntunes
bindings-DSL162.078FFI domain specific language, on top of hsc2hs. (bsd3, ffi, library)2018-05-191.0.25DmitryMalikov, JohnWiegley, MauricioAntunes, rethab
bindings-EsounD20.02Low level bindings to EsounD (ESD; Enlightened Sound Daemon) (ffi, library, public-domain)2010-12-300.1.0.1MasatakeDaimon
bindings-GLFW442.54Low-level bindings to GLFW OpenGL library (bsd3, graphics, library)2024-09-223.3.9.2BrianLewis, SchellScivally, Mokosha, javjarfer
bindings-K805540.01Bindings to Velleman K8055 dll (bsd3, ffi, library)2011-05-170.1.2JorisPutcuyps
bindings-apr10.02Low level bindings to Apache Portable Runtime (APR) (ffi, library, public-domain)2010-10-060.1MasatakeDaimon
bindings-apr-util20.01Low level bindings to Apache Portable Runtime Utility (APR Utility) (ffi, library, public-domain)2010-10-060.1MasatakeDaimon
bindings-audiofile70.02Low level bindings to audiofile (ffi, library, public-domain)2010-12-310.1.0.2MasatakeDaimon
bindings-bfd20.01Bindings for libbfd, a library of the GNU `binutils' (development, ffi, lgpl, library)2012-07-161.2.0.0MichaelNelson
bindings-cctools20.02Bindings to the CCTools WorkQueue C library (ffi, gpl, library)2013-01-023.6.1.0.1.0.0.1BadiAbdulWahid
bindings-codec230.01Very low-level FFI bindings for Codec2 (bindings, codec, ffi, gpl, library, program)2014-10-310.1.1.0RickyElrod
bindings-common (deprecated in favor of bindings-DSL)170.09This package is obsolete. Look for bindings-DSL instead. (bsd3, deprecated, ffi, library)2009-11-111.3.4BasVanDijk, MauricioAntunes
bindings-dc139430.02Library for using firewire (iidc-1394) cameras (bsd3, library, system)2011-07-220.2.1VilleTirronen
bindings-directfb60.01Low level bindings to DirectFB (bsd3, ffi, library)2010-08-150.1JohnWiegley, MauricioAntunes, rethab
bindings-eskit20.01Bindings to ESKit. (bsd3, ffi, library, numerical)2010-06-100.0.1AndrewMiller
bindings-fann10.01Low level bindings to FANN neural network library. (bsd3, ffi, library)2010-06-200.0.2JohnWiegley, MauricioAntunes, rethab
bindings-fluidsynth20.01Haskell FFI bindings for fluidsynth software synthesizer (bsd3, library, sound)2016-04-130.2.1BenGamari
bindings-friso10.01Low level bindings for friso (apache, ffi, library)2014-07-310.1.0.0cosmo0920
bindings-glib80.03Low level bindings to GLib. (bsd3, ffi, library)2010-12-230.1.5JohnWiegley, MauricioAntunes, rethab
bindings-gobject30.02Low level bindings supporting GObject and derived libraries. (bsd3, ffi, library)2012-09-290.4MauricioAntunes, YurasShumovich
bindings-gpgme130.02Project bindings-* raw interface to gpgme (bsd3, ffi, library)2022-05-150.1.8DmitryMalikov, JohnWiegley, MauricioAntunes, rethab
bindings-gsl32.01Low level bindings to GNU GSL. (bsd3, ffi, library)2013-08-280.2.1JohnWiegley, MauricioAntunes, rethab
bindings-gts30.01Low level bindings supporting GTS, the GNU Triangulated Surface Library (ffi, lgpl, library)2011-03-150.1.1JoelCrisp
bindings-hamlib10.01Hamlib bindings for Haskell (ffi, lgpl, library, program)2014-08-130.1.0.0RickyElrod
bindings-hdf510.01Project bindings-* raw interface to HDF5 library (bsd3, ffi, library)2019-05-010.1.2JohnWiegley, MauricioAntunes, rethab
bindings-levmar30.02Low level bindings to the C levmar (Levenberg-Marquardt) library (ffi, library, numerical)2018-05-071.1.0.5BasVanDijk, RoelVanDijk
bindings-libcddb70.01Low level binding to libcddb. (bsd3, ffi, library)2010-06-200.3JohnWiegley, MauricioAntunes, rethab
bindings-libffi60.01Low level bindings to libffi. (bsd3, ffi, library)2010-06-200.3JohnWiegley, MauricioAntunes, rethab
bindings-libftdi10.01Low level bindings to libftdi. (ffi, library)2009-12-250.1SivaramGowkanapalli
bindings-libg1510.01Bindings to libg15 (bsd2, library, web)2017-08-130.2.0.0Xandaros
bindings-libpci20.00Low level bindings to libpci (bsd3, ffi, library)2021-12-300.4.0.2dopamane
bindings-librrd20.01Low level bindings to RRDtool (ffi, library, public-domain)2012-07-120.2.0.1MasatakeDaimon, zloyrusskiy
bindings-libstemmer30.01Binding for libstemmer with low level binding. (ffi, library, mit)2014-11-290.1.0.0cosmo0920
bindings-libusb150.06Low level bindings to libusb. (bsd3, ffi, library)2014-10-291.4.5.0BasVanDijk, MauricioAntunes
bindings-libv4l240.02bindings to libv4l2 for Linux (bsd3, library, system)2011-07-030.1ClaudeHeilandAllen
bindings-libzip90.02Low level bindings to libzip. (bsd3, ffi, foreign, library)2016-08-291.0.1SergeyAstanin
bindings-linux-videodev240.02bindings to Video For Linux Two (v4l2) kernel interfaces (bsd3, graphics, library)2017-12-030.1.0.1ClaudeHeilandAllen
bindings-lxc30.02Direct Haskell bindings to LXC (Linux containers) C API. (bsd3, ffi, library)2018-08-090.2.2NickolayKudasov
bindings-mmap (deprecated in favor of bindings-posix)50.01(deprecated) see bindings-posix instead (bsd3, deprecated, library, system)2013-02-181.0ClaudeHeilandAllen
bindings-monetdb-mapi40.01Low-level bindings for the MonetDB API (mapi) (bsd3, database, library)2018-12-150.1.0.2muesli4
bindings-mpdecimal (deprecated in favor of deka)60.01bindings to mpdecimal library (bsd3, deprecated, library, math)2014-01-200.8.0.0OmariNorman
bindings-nettle70.01bindings to nettle crypto library (bindings, gpl, library)2015-06-020.4ClintAdams
bindings-parport90.01parport bindings (bsd3, ffi, library)2011-08-110.0.4SivaramGowkanapalli
bindings-portaudio90.02Low-level bindings to portaudio library (bsd3, library, sound)2020-09-110.3FumiakiKinoshita
bindings-posix130.05Project bindings-* raw interface to Posix (bsd3, ffi, library)2018-05-191.2.7BasVanDijk, JohnWiegley, MauricioAntunes, rethab
bindings-potrace40.01Low-level bindings to the potrace bitmap tracing library (gpl, graphics, library)2015-06-100.1cchalmers
bindings-ppdev40.01PPDev bindings (bsd3, ffi, library)2011-08-110.0.3SivaramGowkanapalli
bindings-saga-cmd40.01Wrapping saga_cmd (gpl, library, math, program)2015-06-160.1.1.1michelk
bindings-sane40.01FFI bindings to libsane (ffi, lgpl, library)2012-10-210.0.1ClintAdams
bindings-sc310.02Low-level bindings to the SuperCollider synthesis engine library. (ffi, library, sound)2012-11-060.4.1StefanKersten
bindings-sipc10.01Low level bindings to SIPC. (library, program, security-)2012-03-021.1JustinEthier
bindings-sophia30.02Low-level bindings to sophia library (bsd3, database, library)2014-03-100.2.0.2EyalLotem
bindings-sqlite370.02Low level bindings to sqlite3. (bsd3, ffi, library)2013-07-241.0.3JohnWiegley, MauricioAntunes, rethab
bindings-svm30.02Low level bindings to libsvm. (bsd3, ffi, library)2011-07-180.2.1PauloTanimoto, VilleTirronen
bindings-uname80.02Low-level binding to POSIX uname(3) (ffi, library, public-domain, system)2009-06-050.1MasatakeDaimon
bindings-wlc10.01Bindings against the wlc library (bsd3, ffi, library)2016-04-030.1.0.7ashleyis
bindings-yices20.02Bindings to the Yices theorem prover (ffi, foreign, library, public-domain, theorem-provers)2015-08-220.3.0.2PepeIborra
bindynamic20.01A variation of Data.Dynamic.Dynamic with a Binary instance (data, gpl, library)2018-03-261.0.0.1lspitzner
binembed10.01Embed data into object files. (bsd3, distribution, library, program)2015-04-080.1.0.3ClaudeHeilandAllen
bini22.01A collection of various methods for reading and writing bini files. (bsd3, configuration, data, library)2016-01-220.1.5TWeise
binrep40.02Encode precise binary representations directly in types (data, generics, library, mit, serialization)2025-03-111.1.0raehik
binrep-instances50.00Orphan instances for binrep (data, library, mit, serialization)2025-03-110.1.0raehik
bins20.01Aggregate continuous values into discrete bins (bsd3, library, math)2019-10-040.1.2.0jle
bio50.02A bioinformatics library (bioinformatics, library)2013-07-200.5.3GwernBranwen, KetilMalde
bio-sequence (deprecated)20.01Initial project template from stack (bio, bsd3, deprecated, library)2017-08-030.1.0.0ozzzzz
bioace20.01Library for reading ace assembly files (bioinformatics, library)2012-06-190.0.1DanFornika
bioalign20.02Data structures and helper functions for calculating alignments (bioinformatics, library)2012-06-190.0.5DanFornika
biocore60.020A bioinformatics library (bioinformatics, library)2013-01-070.3.1KetilMalde
biofasta30.05Library for reading fasta sequence files (bioinformatics, library)2013-01-100.0.3DanFornika
biofastq10.01A library for reading FASTQ files (bioinformatics, library)2012-10-230.1KetilMalde
biohazard50.01bioinformatics support library (bioinformatics, bsd3, library)2020-01-062.1ustenzel
bioinformatics-toolkit230.01A collection of bioinformatics tools (bio, library, mit)2021-11-220.10.0kaizhang
biophd20.01Library for reading phd sequence files (bioinformatics, library)2015-05-200.0.8DanFornika
biopsl30.01Library and executables for working with PSL files (bioinformatics, library, program)2012-11-190.4KetilMalde
biosff50.01Library and executables for working with SFF files (bioinformatics, lgpl, library)2013-09-280.3.7.1KetilMalde
biostockholm90.01Parsing and rendering of Stockholm files (used by Pfam, Rfam and Infernal). (bioinformatics, bsd3, library)2015-07-210.3.4FelipeLessa
bip3230.01BIP-0032: Hierarchical Deterministic Wallets for Bitcoin and other cryptocurrencies (apache, cryptography, library)2020-06-240.2RenzoCarbonara
birch-beer80.01Plot a colorful tree. (bioinformatics, gpl, library, program)2022-10-060.4.2.1GregorySchwartz
bird20.01A simple, sinatra-inspired web framework. (bsd3, library, program, web)2010-08-230.0.19MattParker
birds-of-paradise20.00Birds of Paradise (bsd3, language, library)2023-04-190.2.1.2KatsutoshiItoh
biscuit-haskell70.01Library support for the Biscuit security token (bsd3, library, security)2024-07-310.4.0.0clementd
biscuit-servant30.00Servant support for the Biscuit security token (bsd3, library, security)2024-07-310.4.0.0clementd
bishbosh50.00Plays chess. (game, gpl, library, program)2021-12-260.1.4.0AlistairWard
bit-array20.01A bit array (aka bitset, bitmap, bit vector) API for numeric types (bit-vectors, data-structures, library, mit, pretty-printer)2016-10-010.1.2NikitaVolkov
bit-protocol62.01Encode binary protocols with some odd bit numbers into a bytestring (bits, bsd3, bytes, data, library, parsing, protocols)2018-07-300.2.3.0k_bx
bit-stream (deprecated in favor of chimera)20.01Lazy, infinite, compact stream of Bool with O(1) indexing. (bsd3, deprecated, library, unclassified)2017-08-080.1.0.2Bodigrim
bit-vector20.01Simple bit vectors for Haskell (bit-vectors, bsd3, data, library)2015-03-240.2.0AdamFoltzer
bitarray120.02Mutable and immutable bit arrays (bsd3, data, library)2014-08-120.0.1.1BalazsKomuves
bitcoin-address20.00Bitcoin address generation and rendering. Parsing coming soon. (apache, cryptography, library)2020-06-230.1RenzoCarbonara
bitcoin-api22.02Provides access to the RPC API of Bitcoin Core (finance, library, mit, network)2015-06-090.12.1solatis
bitcoin-api-extra20.01Higher level constructs on top of the bitcoin-api package (finance, library, mit, network)2015-05-140.9.1solatis
bitcoin-block50.02Utility functions for manipulating bitcoin blocks (finance, library, mit, network)2015-05-110.13.1solatis
bitcoin-compact-filters60.01BIP 158 compact block filters (bsd3, library, unclassified)2023-04-130.1.1IanShipman
bitcoin-hash40.02Bitcoin hash primitives (apache, cryptography, library)2020-06-190.1RenzoCarbonara
bitcoin-hs10.02Partial implementation of the Bitcoin protocol (as of 2013) (bitcoin, bsd3, cryptography, library)2016-10-210.0.1BalazsKomuves
bitcoin-keys50.03Bitcoin keys (apache, cryptography, library)2020-06-210.1RenzoCarbonara
bitcoin-payment-channel222.01Instant, two-party Bitcoin payments (bitcoin, finance, library, network)2017-07-031.2.0.0runeks
bitcoin-rpc10.01Library to communicate with the Satoshi Bitcoin daemon (bitcoin, bsd3, library, network)2014-01-070.5.0.1JanVornberger
bitcoin-script60.05Compilation, manipulation and decompilation of Bitcoin scripts (finance, library, mit, network)2015-05-110.11.1solatis
bitcoin-scripting42.00Resources for working with miniscript, and script descriptors (bsd3, language, library)2022-08-040.3.0IanShipman
bitcoin-tx30.04Utility functions for manipulating bitcoin transactions (finance, library, mit, network)2015-05-110.13.1solatis
bitcoin-types50.03Provides consistent low-level types used commonly among Bitcoin implementations (finance, library, mit, network)2015-05-100.9.2solatis
bitcoind-regtest10.00A library for working with bitcoin-core regtest networks (bsd3, library, program, unclassified)2020-11-010.2.0.0IanShipman
bitcoind-rpc10.01A streamlined interface to bitcoin core using Haskoin types and Servant (bsd3, library, unclassified)2020-11-010.2.0.0IanShipman
bitfield20.00Generic and easy to use haskell bitfields (bit, data, library, mit)2024-08-120.0.0.1JannisO
bitmap70.012A library for handling and manipulating bitmaps (rectangular pixel arrays). (bsd3, data, graphics, library)2012-02-130.0.2BalazsKomuves
bitmap-opengl40.06OpenGL support for Data.Bitmap. (bsd3, data, graphics, library)2014-03-190.0.1.5BalazsKomuves
bitmaps20.01Bitmap library (bsd3, codec, data, graphics, library)2014-11-300.2.6.3ByronJohnson
bits142.012Various bit twiddling and bitwise serialization primitives (bsd3, data, library, serialization)2021-11-070.6EdwardKmett, EricMertens, ryanglscott
bits-atomic20.07Atomic bit operations on memory locations for low-level synchronization (bsd3, concurrency, data, foreign, library)2010-09-050.1.3GabrielWicke
bits-bytestring40.02Bits instance for bytestrings. (bsd3, data, library)2016-03-250.1.0.1oldmanmike
bits-bytestring-lazy20.01Bits instance for lazy bytestrings. (bsd3, data, library)2016-09-070.1.0.1semaj
bits-conduit10.01Bitstream support for Conduit (bsd3, conduit, data, library)2012-06-290.2.0.0HideyukiTanaka
bits-extra130.09Useful bitwise operations (bit, bsd3, data, library)2022-03-230.0.2.3newhoggy, haskellworks, GeorgeWilson
bits-extras80.04Efficient high-level bit operations not found in Data.Bits (bsd3, data, library)2010-09-200.1.3GabrielWicke
bits-show20.00Showing data as strings of 0 and 1 (apache, bit, library, text)2023-03-300.0.0.0chris_martin
bitset70.08A space-efficient set data structure. (data-structures, library, mit)2014-03-101.4.8DenisBueno, FedorGogolev, SergeiLebedev
bitset-word850.02Space efficient set of Word8 and some pre-canned sets useful for parsing HTTP (concurrency, library, mit)2020-07-280.1.1.2nshimaza
bitstream120.02Fast, packed, strict and lazy bit streams with stream fusion (data, library, public-domain)2020-09-090.3.0.1MasatakeDaimon
bitstring20.02Lazy bit strings (bsd3, data, library)2010-08-010.0.0BalazsKomuves
bittorrent30.01Bittorrent protocol implementation. (bsd3, library, network)2013-11-250.0.0.3SamTruzjan
bittrex (deprecated)30.00Bindings for the Bittrex API (bsd3, deprecated, library, program, web)2018-01-080.6.0.0DavidJohnson
bitvec712.2518Space-efficient bit vectors (bit-vectors, bsd3, data, library, public-domain)2023-08-151.1.5.0JamesCook, Bodigrim
bitwise120.06fast multi-dimensional unboxed bit packed Bool arrays (bit-vectors, bsd3, data, data-structures, library)2018-04-261.0.0.1ClaudeHeilandAllen
bitwise-enum110.01Bitwise operations on bounded enumerations (bsd3, data, data-structures, foreign, library)2023-07-301.0.1.2jnbooth
bitx-bitcoin61.51A Haskell library for working with the BitX bitcoin exchange. (bitcoin, bsd3, finance, library, web)2017-12-240.12.0.0tebello_thejane
bizzlelude70.03A lousy Prelude replacement by a lousy dude (bsd3, library, prelude)2024-07-044.17.2.2TheBizzle
bizzlelude-js10.01A lousy Prelude replacement by a lousy dude (bsd3, library, prelude)2024-07-044.17.2.2TheBizzle
bk-tree40.02BK-tree implementation (data-structures, library, public-domain)2012-10-290.1.1FrancescoMazzoli
bkr20.01Backup utility for backing up to cloud storage services (S3 only right now) (backup, bsd3, library, program, system)2012-06-120.1.2MichaelSmietana
bktrees60.02A set data structure with approximate searching (bsd3, data-structures, library)2010-11-220.3.1JosefSvenningsson
blacktip20.01Decentralized, k-ordered unique ID generator. (apache, database, library)2014-08-300.1.0.1bitemyapp
blagda30.00Shake frontend for Agda blogging (agpl, blog, library, program)2022-03-020.1.0.1isovector
blake2122.04A library providing BLAKE2 (cryptography, library, public-domain)2023-06-270.3.0.1jgalt, chris_martin
blake350.02BLAKE3 hashing algorithm (apache, cryptography, library)2023-02-040.3RenzoCarbonara
blakesum (deprecated)20.01The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, cryptography, deprecated, library)2011-07-250.5KevinCantu
blank-canvas192.05HTML5 Canvas Graphics Library (bsd3, graphics, library)2023-10-050.7.4AndrewFarmer, AndyGill, ryanglscott
blanks30.00Fill-in-the-blanks - A library factoring out substitution from ASTs (bsd3, language, library)2020-11-040.5.0ejconlon
blas (deprecated in favor of hblas)60.01Bindings to the BLAS library (bsd3, deprecated, library, math)2009-01-140.7.6CarterSchonwald
blas-carray70.01Auto-generated interface to Fortran BLAS via CArrays (bsd3, library, math)2023-02-160.1.0.2HenningThielemann
blas-comfort-array50.00Auto-generated interface to Fortran BLAS via comfort-array (bsd3, library, math)2021-08-060.0.0.3HenningThielemann
blas-ffi80.04Auto-generated interface to Fortran BLAS (bsd3, library, math)2018-12-200.1HenningThielemann
blas-hs50.03Low-level Haskell bindings to Blas. (library, math, mit)2014-12-270.1.1.0Rufflewind
blastxml30.03Library for reading Blast XML output (bioinformatics, library)2014-10-290.3.2KetilMalde
blaze (deprecated)20.01None (bsd3, deprecated, library, unclassified)2014-12-080.0.2
blaze-bootstrap70.02Blaze helper functions for bootstrap pages (library, mit, web)2015-08-230.1.0.1AlexanderThiemann
blaze-builder1390.0285Efficient buffered output. (bsd3, data, library)2023-08-270.4.2.3AndreasAbel, JasperVanDerJeugt, LeonSmith, SimonMeier
blaze-builder-conduit (deprecated in favor of conduit-extra)350.016Convert streams of builders to streams of bytestrings. (deprecated) (bsd3, conduit, data, deprecated, library)2014-04-021.1.0MichaelSnoyman
blaze-builder-enumerator110.013Enumeratees for the incremental conversion of builders to bytestrings. (bsd3, data, enumerator, library)2015-04-010.2.1.0MichaelSnoyman, SimonHengel, SimonMeier, ThomasSutton
blaze-colonnade160.02blaze-html backend for colonnade (bsd3, library, web)2024-03-061.2.3.0andrewthad, l3c_amartin
blaze-html2072.5226A blazingly fast HTML combinator library for Haskell (bsd3, library, text)2024-03-060.9.2.0JasperVanDerJeugt, SimonMeier
blaze-html-contrib70.01Some contributions to add handy things to blaze html. (bsd3, library, web)2012-04-050.2.2AdityaBhargava
blaze-html-hexpat10.01A hexpat backend for blaze-html. (bsd3, library, text)2010-12-250.1.0.0JasperVanDerJeugt
blaze-html-truncate40.01A truncator for blaze-html (bsd3, library, text)2013-03-190.3.0.0MarcelRuegenberg
blaze-htmx30.00Blaze integration of the htmx library (bsd3, library, text, web)2022-05-090.1.0.0TobiasB91
blaze-json20.01tiny library for encoding json (json, library, mit, text)2015-04-030.2.1HirotomoMoriwaki
blaze-markup900.0136A blazingly fast markup combinator library for Haskell (bsd3, library, text)2023-09-250.8.3.0DeepakJois, JasperVanDerJeugt
blaze-shields22.01create svg by Haskell (bsd3, library, web)2015-09-150.1.1.11Qinka
blaze-svg342.017SVG combinator library (bsd3, graphics, library)2023-06-060.3.7BrentYorgey, DeepakJois
blaze-textual540.020Fast rendering of common datatypes (bsd3, library, text)2023-03-020.2.3.1BryanOSullivan, swamp_agr
blaze-textual-native (deprecated in favor of blaze-textual)10.03Fast rendering of common datatypes (deprecated) (bsd3, deprecated, library, text)2012-01-190.2.1.1MichaelSnoyman
blazeMarker30.01... (library, mit, unclassified)2014-12-250.1.0.0faleidel
blazeT30.01A true monad (transformer) version of the blaze-markup and blaze-html libraries (data, library, mit, text, web)2023-09-110.0.6alaminium, johannesgerer
ble40.00Bluetooth Low Energy (BLE) peripherals (bsd3, library, program, unclassified)2017-12-050.4.2jkarni, scottmurphy09
blindpass42.00Password entry tool (gpl, library, program, utilities)2020-12-110.1.0jlamothe
blink120.01Control library for blink(1) LED from ThingM (bsd3, hardware, library, program)2014-12-040.4DylanSimon
bliplib20.01Support code for Blip. (bsd3, development, library)2013-06-210.2.1BerniePope
blizzard-html20.00An HTML generator for Haskell (library, mit, text)2023-09-100.5.0.0joshuaobritsch
blockchain20.01Generic blockchain implementation. (blockchain, bsd3, library)2017-07-030.0.3tgolson
blockfrost-api140.04API definitions for blockfrost.io (apache, cardano, library)2024-09-250.12.1.0srk, blockfrost
blockfrost-client330.01blockfrost.io basic client (apache, cardano, library)2024-09-250.9.1.0srk, blockfrost
blockfrost-client-core230.01blockfrost.io common client definitions / instances (apache, cardano, library)2024-01-160.6.0.1srk, blockfrost
blockfrost-pretty40.00blockfrost.io pretty-printing utilities (apache, library, web)2021-09-140.1.0.0srk, blockfrost
blockhash20.00Blockhash perceptual image hash algorithm (bsd3, library, program, web)2016-07-190.1.0.0kseo
blocking-transactions60.01Composable, blocking transactions. (bsd3, concurrency, library)2010-07-220.1.0.5ChristopherLaneHinson
blogination (deprecated)20.01Very simple static blog software (bsd3, deprecated, library, program, web)2009-02-260.5ChrisDone
bloodhound212.05Elasticsearch client library for Haskell (bsd3, database, library, search)2025-03-180.23.0.1MichaelXavier, wraithm, bitemyapp, ChrisAllen, gdifolco
bloodhound-amazonka-auth60.01Adds convenient Amazon ElasticSearch Service authentication to Bloodhound. (bsd3, library, web)2018-04-300.1.2.1MichaelXavier
bloohm10.00visual bloom filter for neotrellis m4 output (bsd3, embedded, library, program)2024-05-051.0.0.2ShaeErisson
bloomfilter220.03Pure and impure Bloom Filter implementations. (bsd3, data, library)2023-08-042.0.1.2BryanOSullivan, JoeyHess
bloomfilter-redis72.01Distributed bloom filters on Redis (using the Hedis client). (bsd3, data, library)2019-06-250.1.0.4hesiod
blosum20.00BLOSUM generator (bioinformatics, gpl, library, program)2016-11-300.1.1.4GregorySchwartz
blubber-server30.00The blubber server, serves blubber clients. (agpl, game, library, program)2015-06-300.0.1alexander
blucontrol70.00Configurable blue light filter (bsd3, library, program, system)2024-01-160.7.1.0jumper149
bludigon (deprecated in favor of blucontrol)10.00Configurable blue light filter (bsd3, deprecated, library, program, system)2020-08-100.1.1.0jumper149
bluefin160.01The Bluefin effect system (library, mit, unclassified)2025-03-220.0.15.0tomjaguarpaw
bluefin-algae30.00Algebraic effects and named handlers in Bluefin. (control, library, mit)2024-05-040.1.0.1lyxia
bluefin-internal130.02The Bluefin effect system, internals (library, mit, unclassified)2025-03-220.0.15.0tomjaguarpaw
bluemix-sdk30.01Bindings to Bluemix APIs (bsd3, library, web)2017-05-280.1.1.0AlexanderThiemann
bluesky-tools40.00Tools for interacting with Bluesky / AT Protocol (bsd3, library, web)2025-01-110.6.0.0BenMillwood
blunt (deprecated)51.51Convert between pointfree and pointful expressions. (deprecated, library, mit, program, web)2015-04-141.0.2fozworth
bm50.00open bookmarks and queries from the command line (library, mit, program, utils)2023-05-270.2.0.0TravisCardwell
bmp342.015Read and write uncompressed BMP image files. (codec, library, mit)2024-05-231.2.6.4BenLippmeier
bnb-staking-csvs92.00Generate CSV Exports of Your BNB Staking Rewards. (bsd3, console, finance, library, program, web)2024-02-040.2.2.0lysergia
bno055-haskell20.01Library for communication with the Bosch BNO055 orientation sensor (library, mit, system)2017-07-080.1.0eamsden
board-games100.01Three games for inclusion in a web server (game, library, web)2023-01-150.4HenningThielemann
boardgame30.00Modeling boardgames (game, library, mit, model, program)2021-04-190.0.0.1MartenAsberg
bodhi40.01Fedora Bodhi REST client library (library, mit, network)2021-12-270.1.0JensPetersen
bogre-banana10.01 (bsd3, game-engine, library, program)2013-03-310.0.1DavidEichmann
boilerplate20.00Generate Haskell boilerplate. (building, gpl, library, program)2023-05-220.0.3tseenshe
bolt10.01Bolt driver for Neo4j (bsd3, database, library)2017-03-300.3.1.0bflyblue
boltzmann-brain30.00Analytic sampler compiler for combinatorial systems. (bsd3, library, math, program)2019-12-091.6mbendkowski
boltzmann-samplers80.03Uniform random generators (data, generic, library, mit, random)2018-04-010.1.1.0lyxia
bond40.01Bond schema compiler and code generator (code-generation, compiler, language, library, mit, program)2024-07-150.13.0.0chwarr, jdupej9000
bond-haskell40.01Runtime support for BOND serialization (bsd3, data, library, parsing)2016-11-260.1.5.0blaze
bond-haskell-compiler30.01Bond code generator for Haskell (bsd3, language, library, program)2016-11-260.1.5.0blaze
bookhound91.752Simple Parser Combinators (library, parser-combinators)2023-11-200.2.2albertprz
bookhound-format40.00Parsers for usual data formats (library, parsers)2023-05-250.1.2.0albertprz
bookkeeper30.01Anonymous records and overloaded labels (bsd3, data-structures, library, program, records)2017-12-170.2.5jkarni, bandali
bookkeeper-permissions20.01Permissions for bookkeeper records (bsd3, data-structures, library, records)2016-09-120.1.0.0pkamenarsky
bookkeeping40.02A module for bookkeeping by double entry. (business, library, mit)2018-03-280.4.0.1arowM
bookkeeping-jp70.01Helper functions for Japanese bookkeeping. (business, library, mit)2020-01-200.1.1.4arowM
bool-extras40.03A fold function for Bool (bsd3, data, library)2014-04-040.4.0TomLokhorst
bool850.04Alternative Bool type stored as byte (bsd3, foreign, library)2017-10-170.0.1.1HenningThielemann
boolean-like30.01Logical combinatory operations dealing with datatypes representing booleans by their constructors. (bsd3, control, library)2016-09-220.1.1.0Shou
boolean-list40.02convert numbers to binary coded lists (data, gpl, library)2017-10-260.1.0.2AlanHawkins
boolean-normal-forms30.01Boolean normal form: NNF, DNF & CNF (data, library, mit)2019-12-040.0.1.1phadej
boolector20.01Haskell bindings for the Boolector SMT solver (bit-vectors, formal-methods, library, math, mit, smt, theorem-provers)2020-08-200.0.0.13DeianStefan
boolexpr50.02Boolean expressions with various representations and search queries. (bsd3, data-structures, library, parsing, search)2023-03-130.2NicolasPouillard
bools (deprecated)30.02None (bsd3, deprecated, library, unclassified)2014-12-080.1.1
boolsimplifier70.01Simplification tools for simple propositional formulas. (bsd3, language, library, math)2014-12-150.1.8GershomBazerman
boombox10.01Chronokinetic stream sources and incremental consumers (bsd3, data, library)2016-02-080.0FumiakiKinoshita
boomerang250.08Library for invertible parsing and printing (bsd3, library, parsing, text)2024-05-231.4.9.3DagOdenhall, JeremyShaw
boop32.01OOP primitives for Haskell (bsd3, library, oop)2017-11-010.1.0.0TobiasDammers
boopadoop10.00Mathematically sound sound synthesis (library, mit, music, program)2020-01-030.0.0.2lazersmoke
boots30.03IoC Monad in Haskell (application, factory, ioc, library, mit, monad)2019-09-030.2.0.1leptonyu
boots-app20.02Factory for quickly building an application (application, configuration, health, library, logger, mit, program, random)2019-09-030.2.0.1leptonyu
boots-cloud (deprecated)20.00Factory for quickly building a microservice (application, consul, deprecated, library, microservice, mit, servant, swagger, web)2019-08-280.2leptonyu
boots-web (deprecated)20.01Factory for quickly building a web application (application, deprecated, library, mit, servant, swagger, web)2019-09-030.2.0.1leptonyu
bootstrap-types60.01Bootstrap CSS Framework type-safe interface (library, mit, web)2017-01-310.3andrewthad
bordacount90.01Implementation of the Borda count election method. (algorithms, bsd3, library)2017-09-010.1.0.0hverr
borel20.01Metering System for OpenStack metrics provided by Vaultaire. (bsd3, development, library)2015-03-260.18.0fractalcat
boring890.09Boring and Absurd types (bsd3, data, library)2024-05-170.2.2phadej
boring-game40.00An educational game (bsd3, library, program, web)2017-02-090.1.0.1checkraiser
boring-window-switcher70.00A boring window switcher. (bsd3, graphics, library, program)2018-03-150.1.0.5debugito
borsh32.00Implementation of BORSH serialisation (bsd3, codec, library)2023-03-170.3.0EdskoDeVries, FinleyMcIlwaine
bot10.01bots for functional reactive programming (bsd3, frp, library, reactivity)2010-02-250.3ConalElliott
botan-bindings60.01Raw Botan bindings (bsd3, cryptography, library)2024-02-130.0.1.0ldillinger
botan-low60.00Low-level Botan bindings (bsd3, cryptography, library)2024-02-130.0.1.0ldillinger
both50.01Like Maybe, but with a different Monoid instance. (data, library, mit)2021-08-150.1.1.2barrucadu
botpp10.01Build tool for Lambdabot (development, library, program, web)2008-08-190.1GwernBranwen
bottom20.00Encoding and decoding for the Bottom spec. (apache, codec, library, program)2021-04-020.2.0.0leo
bound242.59Making de Bruijn Succ Less (bsd3, compilers-interpreters, language, library)2023-08-062.0.7EdwardKmett, EricMertens, ryanglscott
bound-extras10.00ScopeH and ScopeT extras for bound (bsd3, compilers, interpreters, language, library)2024-08-030.0.3phadej
bound-gen30.01Unwrap Scope's with globally fresh values (compilers-interpreters, library, mit)2015-03-270.1.0.2jozefg
bound-simple32.00A lightweight implementation of 'bound' (bsd3, language, library)2021-10-180.2.0.0ocramz
bounded-array10.01Arrays with a value for every index (bsd3, data, library)2018-10-150.1.0.0puffnfresh
bounded-qsem70.00Bounded quantity semaphores. (concurrency, library, mit)2025-02-140.1.0.4DanielDiaz
bounded-queue60.01A strict, immutable, thread-safe, single-ended, bounded queue. (bsd3, data, library)2019-05-061.0.0fosskers
bounded-tchan (deprecated in favor of stm-chans)80.01Bounded Transactional channels (queues) (bsd3, concurrency, deprecated, library)2011-11-060.2.3ThomasDuBuisson
boundingboxes90.05A generic boundingbox for an arbitrary vector (bsd3, data, library)2015-03-140.2.3FumiakiKinoshita
bower-json112.02Read bower.json from Haskell (library, mit, web)2022-05-151.1.0.0hdgarrood
bowtie50.01Tying knots in polynomial functors (bsd3, library, unclassified)2025-01-140.5.0ejconlon
box60.08A profunctor effect system? (bsd3, control, library)2024-10-130.9.3.2tonyday567
box-csv (deprecated)20.03CSV parsing in a box. (bsd3, deprecated, library, project)2022-02-090.2.0tonyday567
box-socket50.02Box websockets (bsd3, library, program, web)2024-10-120.5.2.0tonyday567
box-tuples60.01A hack to use GHC.Prim primitives in GHCi (debug, ghc, library, mit)2021-02-060.2.0.4mniip
boxes440.0272D text pretty-printing library (bsd3, library, text)2018-03-100.1.5BrentYorgey, dfeuer, kindaro
bpann30.01backpropagation neuronal network (ai, bsd3, library)2011-10-010.1.1RobertSteuck
bpath30.00A minimal typed unix path library (bsd3, library, system)2020-12-290.1.0Poscat
braid10.01Types and functions to work with braids and Khovanov homology. (bsd3, library, math, program)2016-01-180.1.0.0saltza
brainfuck130.03Brainfuck interpreter (compilers-interpreters, library, program)2023-11-150.1.0.4GwernBranwen, abbradar, ncfavier
brainfuck-monad110.01BrainFuck monad (bsd3, compilers-interpreters, library)2020-02-260.5.2JoeyHess
brainfuck-tut40.01A simple BF interpreter. (bsd3, language, library, program)2016-12-300.7.0.2alleledev
brainheck40.00Brainh*ck interpreter in haskell (bsd3, library, program, web)2018-09-050.1.0.10vmchale
brassica40.00Featureful sound change applier (bsd3, library, linguistics, program)2024-10-131.0.0bradrn
break30.01Break from a loop (bsd3, control, library)2017-04-071.0.2GabrielGonzalez
breakpoint130.03Set breakpoints using a GHC plugin (development, library, mit)2024-05-200.1.4.0aaronallen8455
brick2132.7533A declarative terminal user interface library (bsd3, graphics, library)2025-03-102.8.3JonathanDaugherty
brick-dropdownmenu30.01A drop-down menu widget for brick. (bsd3, graphics, library)2018-09-170.1.0mlang
brick-filetree40.00 (bsd3, library, unclassified)2019-02-130.1.0.3ChrisPenner
brick-list-search20.00Search forward or backward for certain kinds of items in brick list (library, user-interface)2023-04-120.1.2.2amano_kenji
brick-list-skip70.01Skip a certain kind of items when moving in brick list (library, user-interface)2025-01-250.1.1.17amano_kenji
brick-panes22.01Panes library for Brick providing composition and isolation for TUI apps. (graphics, library)2024-08-301.0.2.0KevinQuick
brick-skylighting160.01Show syntax-highlighted text in your Brick UI (bsd3, graphics, library)2022-08-081.0JonathanDaugherty
brick-tabular-list70.00Tabular list widgets for brick. (library, user-interface)2025-01-252.2.0.16amano_kenji
bricks (deprecated)30.01Bricks is a lazy functional language based on Nix. (apache, deprecated, language, library)2018-02-100.0.0.4chris_martin
bricks-internal (deprecated)20.05... (apache, deprecated, language, library)2018-02-100.0.0.4chris_martin
bricks-internal-test (deprecated)30.01... (apache, deprecated, language, library)2018-02-100.0.0.4chris_martin
bricks-parsec (deprecated)20.01... (apache, deprecated, language, library)2018-02-100.0.0.4chris_martin
bricks-rendering (deprecated)30.01... (apache, deprecated, language, library)2018-02-100.0.0.4chris_martin
bricks-syntax (deprecated)20.03... (apache, deprecated, language, library)2018-02-100.0.0.4chris_martin
brillig10.01Simple part of speech tagger (bsd3, library, natural-language-processing, program)2011-09-030.3.1EricKow
brillo20.02Painless 2D vector graphics, animations, and simulations powered by GLFW (graphics, library, mit)2024-11-261.13.3adrian
brillo-algorithms20.00Data structures and algorithms for working with 2D graphics. (graphics, library, mit)2024-11-261.13.3adrian
brillo-juicy20.00Load any image supported by Juicy.Pixels in your brillo application (bsd3, graphics, library, program)2024-11-260.2.4adrian
brillo-rendering30.01Brillo picture data types and rendering functions. (graphics, library, mit)2024-11-261.13.3adrian
brittany120.01Haskell source code formatter (agpl, language, library, program)2022-01-130.14.0.2lspitzner, fozworth, dukerutledge
broadcast-chan130.07Closable, fair, single-wakeup channel type that avoids 0 reader space leaks. (bsd3, library, system)2025-03-160.3.0MerijnVerstraaten
broadcast-chan-conduit (deprecated in favor of broadcast-chan)130.01Conduit-based parallel streaming code for broadcast-chan (bsd3, deprecated, library, system)2025-03-160.3.0MerijnVerstraaten
broadcast-chan-pipes (deprecated in favor of broadcast-chan)130.01Pipes-based parallel streaming code for broadcast-chan (bsd3, deprecated, library, system)2025-03-160.3.0MerijnVerstraaten
broadcast-chan-tests (deprecated in favor of broadcast-chan)60.01Helpers for generating tests for broadcast-chan (bsd3, deprecated, library, system)2022-01-120.2.1.2MerijnVerstraaten
broccoli20.01Small library for interactive functional programs. (bsd3, frp, library)2015-03-160.4.1.0evanrinehart
brok52.00Finds broken links in text files (bsd3, command-line-tools, library, program)2020-07-271.1.0smallhadroncollider
broker-haskell10.01Haskell bindings to Broker, Bro's messaging library. (bsd3, language, library)2015-08-160.1.0.0DavidBanas
bronyradiogermany-common30.01Common types and URIs for the BronyRadioGermany API bindings. (bsd3, library, network)2018-04-111.0.0.1implementation
bronyradiogermany-streaming40.01Streaming interface for the BronyRadioGermany API. (bsd3, library, network)2018-04-111.0.0.1implementation
brotli52.05Brotli (RFC7932) compression and decompression (codec, compression, gpl, library)2024-06-250.0.0.2AndreasAbel, HerbertValerioRiedel
brotli-conduit10.00Conduit interface for Brotli (RFC7932) compression. (bsd3, codec, compression, conduit, library)2019-04-200.0.0.0AndreasAbel, HerbertValerioRiedel
brotli-streams50.01IO-Streams interface for Brotli (RFC7932) compression (bsd3, codec, compression, io-streams, library)2019-04-200.0.0.0AndreasAbel, HerbertValerioRiedel
browscap20.01A reader and interface for the Browser Capabilities Project data files. (bsd3, data, library, web)2017-04-300davean
bsb-http-chunked560.01Chunked HTTP transfer encoding for bytestring builders (bsd3, data, library, network)2018-09-290.0.0.4sjakobi
bsd-sysctl60.02Access to the BSD sysctl(3) interface (bsd, bsd3, library, system)2017-10-081.0.8.0MaximeHenrion, palik
bson140.021BSON documents are JSON-like objects with a standard binary encoding. (apache, data, library)2020-03-230.4.0.1FedorGogolev, GregWeber, MaximMitroshin, TonyHannan, VictorDenisov
bson-generic40.01Generic functionality for BSON (bsd3, data, library)2020-08-080.0.9PetrPilar
bson-generics (deprecated in favor of bson-generic)20.01Generics functionality for BSON (bsd3, data, deprecated, library)2012-01-260.0.1PetrPilar
bson-lens70.01BSON lenses (development, library, mit)2015-09-120.1.1WilliamCasarin
bson-mapping30.01Mapping between BSON and algebraic data types. (data, library)2017-03-050.1.5.1FrancescoMazzoli, ak3n
bspack40.01A simple and fast bytestring packer (bsd3, data, library)2014-12-020.0.4nicolasdp
bsparse30.01A simple unassuming parser for bytestring (bsd3, bsparse, library)2014-11-050.0.5VincentHanquez, nicolasdp
btc-lsp20.00Lightning service provider (bitcoin, bsd3, finance, library, lightning, network, payments, program)2022-07-220.1.0.0coingaming
btree20.01B-Tree on Unmanaged Heap (bsd3, data, library)2018-11-090.4.0andrewthad, chessai
btree-concurrent60.01A backend agnostic, concurrent BTree (data-structures, library)2012-10-310.1.5JohanBrinch
btrfs130.01Bindings to the btrfs API (bsd3, filesystem, library, system)2023-06-230.2.1.0MariosTitas
buchhaltung20.01Automates most of your plain text accounting data entry in ledger format. (finance, library, mit, program)2018-02-040.0.7johannesgerer
buffer20.02Simple mutable low-level buffer for IO (data, library, mit)2017-11-010.5.3NikitaVolkov
buffer-builder320.05Library for efficiently building up buffers, one piece at a time (bsd3, data, library)2025-01-060.2.4.9chadaustin, afriesen
buffer-builder-aeson60.01Serialize Aeson values with Data.BufferBuilder (data, library, mit)2022-05-220.2.0.5chadaustin, afriesen
buffet10.00Assembles many Dockerfiles in one. (development, library, mit, program)2020-11-081.0.1evolutics
buffon10.01An implementation of Buffon machines. (bsd2, library, math)2018-03-260.1.0.1DerekElkins
buffon-machines40.00Perfect simulation of discrete random variables (bsd3, library, math)2019-09-161.1.1.1mbendkowski
bug40.08Better alternatives to the "error" function (development, error-handling, library, mit)2017-04-081.0.1HerbertValerioRiedel, NikitaVolkov
bugsnag60.03Bugsnag error reporter for Haskell (library, mit, web)2024-12-121.1.0.1PatrickBrisbin
bugsnag-haskell (deprecated in favor of bugsnag, bugsnag-wai, bugsnag-yesod)30.01Bugsnag error reporter for Haskell (deprecated, library, mit, web)2022-02-240.0.4.4PatrickBrisbin
bugsnag-hs212.252A Bugsnag client for Haskell. (bsd3, library, web)2023-09-100.2.0.12stoeffel, JasperWoudenberg
bugsnag-wai40.01WAI integration for Bugsnag error reporting for Haskell (library, mit, web)2022-03-311.0.0.1PatrickBrisbin
bugsnag-yesod50.00Yesod integration for Bugsnag error reporting for Haskell (library, mit, web)2023-12-011.0.1.0PatrickBrisbin
bugzilla20.01A Haskell interface to the Bugzilla native REST API (bsd3, library, web)2014-06-260.2.1.1swift, sethfowler
bugzilla-redhat130.00A Haskell interface to the Bugzilla native REST API (bsd3, library, web)2023-10-021.0.1.1JensPetersen
build72.01Build Systems à la Carte (algorithms, data-structures, library, mit)2024-05-181.1snowleopard
build-env20.00Compute, fetch and install Cabal build plans into a local environment (bsd3, distribution, library, program)2024-08-221.2.0.0sheaf
buildable20.01Typeclass for builders of linear data structures (data, library, mit)2015-03-100.1.0.3IvanMiljenovic
buildbox20.01Rehackable components for writing buildbots and test harnesses. (bsd3, development, library, testing)2018-10-122.2.1.2BenLippmeier
builder20.00bounded ByteArray builder type (bsd3, data, library)2019-09-130.2chessai
buildwrapper360.01A library and an executable that provide an easy API for a Haskell IDE (bsd3, development, library, program)2015-01-260.9.1JeanPhilippeMoresmau
bullet10.02A wrapper for the Bullet physics engine. (bsd3, library, physics)2014-11-080.2.4CsabaHruska
bulletproofs60.02Bulletproofs are short zero-knowledge proofs without a trusted setup. (cryptography, library, program)2019-09-301.1.0sdiehl
bulmex (deprecated)20.00Reflex infused with bulma (css) (deprecated, library, mit, web)2019-11-244.0.0
bunz30.00CLI tool to beautify JSON string. (cli, json, library, mit, program)2019-02-270.0.9sendyhalim
bureaucromancy20.00Parse webforms & render to interactive hypertext (gpl, library, program, web)2024-01-190.1.0.2alcinnz
burrito100.01Parse and render URI templates. (library, mit, network)2025-02-012.0.1.11fozworth
burst-detection20.01Burst detection algorithms (gpl, library, math)2013-11-081.0
bus-pirate20.01Haskell interface to the Bus Pirate binary interface (bsd3, library, system)2016-04-130.7.0BenGamari
buster10.04Almost but not quite entirely unlike FRP (bsd3, frp, library)2009-06-232.51JeffersonHeard
buster-gtk30.02Almost but not quite entirely unlike FRP (bsd3, frp, library)2009-05-182.0JeffersonHeard
buster-network20.01Almost but not quite entirely unlike FRP (bsd3, frp, library)2009-05-181.2JeffersonHeard
butcher110.02Chops a command or program invocation into digestable pieces. (bsd3, library, ui)2020-06-101.3.3.2lspitzner, fozworth, dukerutledge
butter22.01Monad Transformer for Asyncronous Message Passing (bsd3, concurrency, distrbution, distributed-computing, library)2018-06-190.1.0.6mpahrens
butterflies10.00butterfly tilings (gpl, graphics, library, program)2018-11-060.3.0.2ClaudeHeilandAllen
buttplug-hs-core20.00Client library for buttplug.io (bsd3, hardware, library, program)2021-10-260.1.0.1sullyj3
bv100.07Bit-vector arithmetic library (bit-vectors, bsd3, data, library)2018-03-110.5IagoAbal
bv-embed40.00Define embeddings of small bit vectors into larger ones (bsd3, data, library)2019-01-270.1.0benselfridge
bv-little72.03Efficient little-endian bit vector library (bit-vectors, bsd3, data, library)2023-10-031.3.2recursion_ninja
bv-sized242.011a bitvector datatype that is parameterized by the vector width (bit-vectors, bsd3, library)2025-03-051.0.6KevinQuick, ryanglscott, benselfridge, galoisinc
bv-sized-lens30.00Well-typed lenses for bv-sized bitvectors. (bit-vectors, bsd3, library)2021-05-060.1.0.0benselfridge
by-other-names40.00Give aliases to record fields. (bsd3, data, library)2022-12-051.2.3.0DanielDiazCarrete
byline60.01Library for creating command-line interfaces (colors, menus, etc.) (bsd2, library, system, user-interfaces)2025-02-171.1.3PeterJones
bytable20.03data from/to ByteString (bsd3, codec, library)2014-07-010.1.0.0YoshikuniJujo
byte-containers30.01Sets and maps with 8-bit words for keys (bsd3, data, library)2024-01-310.1.0.1l3c_amartin
byte-count-reader130.00Read strings describing a number of bytes like 2Kb and 0.5 MiB (gpl, library, text)2024-10-200.10.1.12danielrolls
byte-order110.09Portable big-endian and little-endian conversions (bsd3, data, library)2024-02-020.1.3.1andrewthad, chessai, l3c_amartin
byteable230.075Type class for sequence of bytes (bsd3, data, library)2013-06-280.1.1VincentHanquez
bytearray-parsing10.01Parsing of bytearray-based data (library, mit, parsing)2017-11-060.1NikitaVolkov
bytebuild570.021Build byte arrays (bsd3, data, library)2024-12-110.3.16.3andrewthad, chessai, l3c_amartin
bytedump70.07Flexible byte dump helpers for human readers. (bsd3, debug, library)2012-09-061.0VincentHanquez
bytehash140.01Universal hashing of bytes (bsd3, data, library)2024-02-140.1.1.2andrewthad, chessai, l3c_amartin
bytelog20.00Fast logging (bsd3, data, library)2024-02-020.1.3.1andrewthad, l3c_amartin
byteorder500.011Exposes the native endianness or byte ordering of the system. (bsd3, library, system)2013-04-241.0.4AntoineLatter
bytepatch40.00Patch byte-representable data in a bytestream (cli, library, mit, program)2023-02-150.4.1raehik
bytes642.027Sharing code for serialization between binary and cereal (bsd3, data, library, serialization)2024-12-040.17.4EdwardKmett, EricMertens, ryanglscott
bytes-metrics20.00Calculate string metrics on Bytes efficiently (bsd3, data, library)2024-01-300.1.0.0l3c_amartin
bytes-patterns10.00Template haskell macro for casing on Bytes (data, library, mit)2024-02-070.1.0.0l3c_amartin
byteset110.01Set of bytes. (bsd3, data, library)2025-02-230.1.1.2DanielDiaz
byteslice620.036Slicing managed and unmanaged memory (bsd3, data, library)2024-12-110.2.14.0andrewthad, chessai, l3c_amartin
bytesmith490.015Nonresumable byte parser (bsd3, data, library)2024-02-280.3.11.1andrewthad, chessai, l3c_amartin
bytestring2392.756118Fast, compact, strict and lazy byte strings with a list interface (bsd3, data, library)2025-01-010.12.2.0BenGamari, DonaldStewart, DuncanCoutts, HerbertValerioRiedel, IanLynagh, SylvainHenry, Bodigrim, sjakobi, chessai, clyring
bytestring-aeson-orphans50.00Aeson instances for ByteString, using base 64 encoding (bsd3, data, library)2025-01-140.1.0.2RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
bytestring-arbitrary92.03Arbitrary instances for ByteStrings (bsd3, data, library)2019-06-040.1.3tsuraan
bytestring-builder530.046The new bytestring builder, packaged outside of GHC (bsd3, data, library)2018-09-250.10.8.2.0LeonSmith, ryanglscott
bytestring-builder-varword30.01Variable-length integer encoding (data, lgpl, library)2018-05-030.1.0.0ch3pjw
bytestring-class (deprecated)50.09Classes for automatic conversion to and from strict and lazy bytestrings. (deprecated) (bsd3, data, deprecated, library)2014-03-210.0.0.1MichaelSnoyman
bytestring-conversion231.2519Type-classes to convert values to and from ByteString. (data, library, mpl)2022-05-150.3.2ToralfWittner, romanb
bytestring-csv30.03Parse CSV formatted data efficiently (bsd3, data, library)2008-07-210.1.2DonaldStewart
bytestring-delta40.01Simple, fast binary diff/patch (data, library, mit)2012-02-220.1.0.1JoeyAdams
bytestring-encoding190.05ByteString ↔ Text converter based on GHC.IO.Encoding (bsd3, data, library, text)2022-01-280.1.2.0MasahiroSakai
bytestring-encodings80.01checks to see if a given bytestring adheres to a certain encoding (data-, library, mit)2018-08-310.2.0.2chessai
bytestring-from (deprecated in favor of bytestring-conversion)70.03A type-class to convert values from ByteString. (data, deprecated, library)2014-05-230.3ToralfWittner
bytestring-handle180.02ByteString-backed Handles (bsd3, library, system)2017-11-300.1.0.6GaneshSittampalam
bytestring-lexing600.042Efficiently parse and produce common integral and fractional numbers. (bsd3, data, library)2025-02-120.5.0.15DonaldStewart, WrenThornton, WrenRomano
bytestring-mmap100.012mmap support for strict ByteStrings (bsd3, library, system)2011-04-290.2.2DonaldStewart
bytestring-nums150.07Parse numeric literals from ByteStrings. (bsd3, library, text)2012-11-230.3.6JasonDusek
bytestring-plain40.01Plain byte strings ('ForeignPtr'-less 'ByteString's) (bsd3, data, library)2015-09-070.1.0.2HerbertValerioRiedel
bytestring-progress210.01A library for tracking the consumption of a lazy ByteString (bsd3, control, library)2019-08-281.4AdamWick
bytestring-read10.02fast ByteString to number converting library (data, library, mit)2015-06-150.3.1HirotomoMoriwaki
bytestring-rematch20.01Rematch support for ByteString (control, library, mit)2013-05-190.1.0.0TomCrayford
bytestring-short60.03Backport copy of ShortByteString (bsd3, library, text)2018-08-260.1.0.2KeiHibino
bytestring-show140.016Efficient conversion of values into readable byte strings. (bsd3, library, text)2014-03-310.3.5.6DanDoel
bytestring-strict-builder880.06An efficient strict bytestring builder (builders, bytestring, library, mit, serialization, text)2025-02-030.4.5.8NikitaVolkov
bytestring-substring20.00break bytestrings up into substrings (bsd3, data, library, parsing)2019-04-250.1chessai
bytestring-time (deprecated in favor of text-time)20.02Library for Time parsing from ByteString (bsd3, data, deprecated, library)2016-12-130.1.0klangner
bytestring-to-vector130.07Convert between ByteString and Vector.Storable without copying (bsd3, data-structures, library)2019-02-080.3.0.1SvenHeyll
bytestring-tree-builder730.09A very efficient ByteString builder implementation based on the binary tree (bytestring, library, mit)2025-02-030.2.7.13NikitaVolkov
bytestring-trie562.524An efficient finite map from bytestrings to values. (bsd3, data, data-structures, library)2025-02-120.2.7.6WrenThornton, WrenRomano
bytestring-typenats20.01Bytestrings with typenat lengths (bsd3, data, library)2017-01-261.0.0tsuraan
bytestringparser50.01Combinator parsing with Data.ByteString.Lazy (bsd3, library, parsing, text)2008-01-270.3BryanOSullivan
bytestringparser-temporary60.02Combinator parsing with Data.ByteString.Lazy (bsd3, library, parsing, text)2009-09-150.4.1JasonDusek
bytestringreadp20.01A ReadP style parser library for ByteString (bsd3, library, text)2007-12-130.2GracjanPolak
bytetrie30.00Tries with Bytes as keys. (bsd3, data, library)2024-01-310.1.0.1l3c_amartin
byteunits70.00Human friendly conversion between byte units (KB, MB, GB...) (bsd3, library)2020-12-150.4.0.3chrissound
bytezap30.01Bytestring builder with zero intermediate allocation (data, generics, library, mit, serialization)2024-09-281.6.0raehik
bz2172.05Bindings to libbz2 (bsd3, compression, library)2024-04-131.0.1.2maerwald, vmchale
bz360.00High-level bindings to bz3 (agpl, codec, library)2025-02-201.0.0.0vmchale
bzip-signature50.00Backpack signature for BZip compression (bsd3, bzip, compression, library, signatures)2020-03-270.2.0.0vmchale
bzip2-clib100.03bzip2 C sources (bsd3, codec, library)2024-03-091.0.8maerwald
bzlib170.019Compression and decompression in the bzip2 format (bsd3, codec, library)2024-03-100.5.2.0DuncanCoutts, Bodigrim
bzlib-conduit870.05Streaming compression/decompression via conduits. (bsd3, codec, library)2024-12-130.3.0.4HideyukiTanaka, MichaelSnoyman
bzlib-conduit-jappie (deprecated in favor of bzlib-conduit)30.00Streaming compression/decompression via conduits. (bsd3, codec, deprecated, library)2022-04-230.3.0.3
c-dsl20.02A higher level DSL on top of language-c (language, library, mit)2014-05-070.3.1jozefg
c-enum80.09To make a type corresponding to an enum of C language (bsd3, foreign, library)2022-04-080.1.1.3YoshikuniJujo
c-io10.01C IO. (bsd3, library, system)2008-10-280.1.0MattMorrow
c-mosquitto140.00Simpe mosquito MQTT binding able to work with the Amazons IoT (bsd3, library, program)2019-10-240.1.7.0tolysz
c-storable40.01CStorable class (bsd3, development, haskell, library)2020-07-190.3EvanLaforge
c-storable-deriving80.04Generate C-like storable instances from datatypes (bsd3, foreign, library)2015-12-290.1.3MatthewMaurer
c-struct90.06To make a wrapper for struct of C language (bsd3, foreign, library)2023-05-260.1.3.0YoshikuniJujo
c0parser10.01Simple C0 Parser (language, library)2013-01-040.2DanielSeidel, JanisVoigtlaender
c10k20.04C10k server library using prefork (bsd3, library, network)2011-08-310.5.0KazuYamamoto
c14n110.01Bindings to the c14n implementation in libxml. (library, mit, xml)2023-07-170.1.0.3mbg
c2ats12.00Translate C code into ATS (gpl, language, library, program)2016-09-170.1.0.1KiwamuOkabe
c2hs-extra40.03Convenient marshallers for complicate C types. (development, foreign, library, mit)2017-10-220.1.0.1sighingnow
c2hsc70.01Convert C API header files to .hsc and .hsc.helper.c files (bsd3, development, library, program)2017-12-090.7.1JohnWiegley
ca30.01Cellular Automata (bsd3, library, math)2018-04-220.0.0.1
ca-patterns20.00Manipulate patterns in cellular automata, create and parse RLE files (data, library, mit, parsing, text)2022-04-160.2.0.0OwenBechtel
ca-province-codes70.01ISO 3166-2:CA Province Codes and Names (bsd3, data, library)2019-01-281.0.0.0lysergia
cab60.01A maintenance command of Haskell cabal packages (bsd3, distribution, library, program)2023-04-260.2.21KazuYamamoto
cabal (deprecated in favor of Cabal)60.01placeholder for Cabal package, you want the upper case Cabal (bsd2, deprecated, development, library)2016-08-110.0.0.0CarterSchonwald, DuncanCoutts, HerbertValerioRiedel
cabal-add150.00Extend Cabal build-depends from the command line (bsd3, development, library, program)2024-08-200.1Bodigrim
cabal-appimage120.00Cabal support for creating AppImage applications (agpl, development, distribution, library, linux)2025-02-030.4.1.0GabrieleSales
cabal-auto-expose30.00Build time library that autodetects exposed modules (bundle, distribution, library, mit, modules)2020-09-290.1.0.1deech
cabal-bounds82.01A command line program for managing the dependency versions in a cabal file. (bsd3, development, library, program, utils)2024-09-292.6.0DanielTrstenjak
cabal-build-programs30.00Adds executable dependencies to the Cabal build (bsd3, distribution, library)2020-01-170.1.0.1deech
cabal-bundle-clib10.00Bundling C/C++ projects in Cabal package made easy (bsd3, development, library)2019-02-030.1.0zelinf
cabal-cache82.00CI Assistant for Haskell projects (bsd3, development, library, program)2025-01-221.2.0.0newhoggy, haskellworks, maerwald
cabal-cargs30.01A command line program for extracting compiler arguments from a cabal file. (bsd3, development, library, program, utils)2024-09-291.6.0DanielTrstenjak
cabal-debian221.751Create a Debianization for a Cabal package (bsd3, debian, distribution, library, program, system)2024-11-125.2.5ClintAdams, DavidFox
cabal-detailed-quickcheck170.00QuickCheck for Cabal tests (library, mit, testing)2022-10-290.2.0.1anselmschueler
cabal-doctest1392.01A Setup.hs helper for running doctests (bsd3, distribution, library)2024-11-221.0.11AndreasAbel, phadej, ryanglscott, ulidtko
cabal-file60.00Cabal file access (bsd3, distribution, library, program)2020-11-130.1.1JensPetersen
cabal-file-th60.02Template Haskell expressions for reading fields from a project's cabal file. (bsd3, development, library)2020-03-220.2.7NickPartridge, SimonMichael
cabal-fix50.00Fix for cabal files. (bsd3, distribution, library, program)2024-10-120.1.0.0tonyday567
cabal-fmt332.00Format .cabal files (development, library, program)2024-04-270.1.12phadej
cabal-ghc-dynflags20.01Conveniently configure GHC's dynamic flags for use with Cabal projects (bsd3, development, library)2015-08-140.1.0.1BenGamari
cabal-ghci (deprecated in favor of cabal-install)30.01Set up ghci with options taken from a .cabal file (bsd3, deprecated, development, library, program)2013-08-090.3EtienneLaurin
cabal-gild400.00Formats package descriptions. (development, library, mit, program)2025-03-091.6.0.0fozworth
cabal-helper92.03Give Haskell development tools access to Cabal project environment (apache, distribution, library)2020-05-021.1.0.0DanielG
cabal-hoogle32.00generate hoogle database for cabal project and dependencies (bsd3, development, library, program)2024-02-253.10.0.0kokobd
cabal-info30.00Read information from cabal files (development, library, mit, program)2017-05-140.2.1barrucadu
cabal-install2592.54The command-line interface for Cabal and Hackage. (bsd3, distribution, library, program)2025-01-053.14.1.1AndresLoeh, DuncanCoutts, HerbertValerioRiedel, MikhailGlushenkov, MikolajKonarski, fffaaa, phadej, Bodigrim, topos, ArtemPelenitsyn, hecate
cabal-install-parsers810.02Utilities to work with cabal-install files (development, library)2024-06-080.6.2phadej
cabal-install-solver740.02The solver component of cabal-install (bsd3, distribution, library)2024-12-163.14.1.0MikolajKonarski, fffaaa, ArtemPelenitsyn, hecate
cabal-lenses70.03Lenses and traversals for the Cabal library. (bsd3, development, library, utils)2024-09-290.15.0DanielTrstenjak
cabal-macosx22.254Cabal support for creating Mac OSX application bundles. (bsd3, distribution, library, program)2019-12-260.2.4.2EricKow, dfrancesconi
cabal-meta10.01build multiple packages at once (bsd3, development, library, program)2015-03-260.4.1.3GregWeber
cabal-pkg-config-version-hook50.00Make Cabal aware of pkg-config package versions (bsd3, distribution, library)2023-06-270.1.0.1RobertHensing
cabal-plan312.51Library and utility for processing cabal's plan.json file (development, gpl, library)2025-01-130.7.5.0HerbertValerioRiedel, phadej
cabal-query20.01Helpers for quering .cabal files or hackageDB's 00-index.tar (bsd3, library, system)2009-08-090.1MaxDesyatov
cabal-scaffold20.00 (bsd3, library, program, unclassified)2024-09-110.1.0.0HiromiIshii
cabal-scripts40.01Shell scripts for support of Cabal maintenance (bsd3, development, library)2015-04-080.1.1HenningThielemann
cabal-test-bin40.01A program for finding temporary build file during cabal-test. (bsd3, library, program, testing)2015-02-030.1.5junjihashimoto
cabal-test-compat (deprecated)40.01Compatibility interface of cabal test-suite. (bsd3, deprecated, library, testing)2015-01-020.2.0.0KeiHibino
cabal-test-quickcheck240.01QuickCheck for Cabal (library, mit, testing)2018-10-290.1.8.2TimothyJones
cabal-toolkit30.01Helper functions for writing custom Setup.hs scripts. (bsd3, distribution, library)2020-03-270.0.7sgraf812, terrorjack
cabal2ebuild30.01make gentoo's .ebuild file from .cabal file (bsd3, distribution, library, program)2014-04-010.0.15.9YoshikuniJujo
cabal2json20.00Turn a .cabal file into a .json file (library, mit, program, unclassified)2022-05-300.0.0.0Norfair
cabal2nix280.04Convert Cabal files into Nix build instructions. (bsd3, distribution, library, nix, program)2025-03-112.20.0PeterSimons, sternenseemann, jophish, cdepillabout, maralorn, expipiplus1
cabal2spec130.01Convert Cabal files into rpm spec files (distribution, gpl, library, program)2024-03-262.7.1PeterSimons, YaakovNemoy
cabalQuery20.00A simple tool to query cabal files. (bsd3, development, library, program)2015-05-010.1.0.1RoganCreswick
cabalg50.01alias for cabal install from given git repo (library, mit, program, unclassified)2014-09-190.2.9DmitryMalikov
cabalmdvrpm20.01Create mandriva rpm from cabal package (distribution, library, program)2007-03-270.0.1OlivierThauvin
cabalrpmdeps40.02Autogenerate rpm dependencies from cabal files (distribution, library, program)2008-12-040.0.4OlivierThauvin
cabocha30.01 (bsd3, library, natural-language-processing)2015-04-230.1.0.0MiyazawaAkira
cache162.05An in-memory key/value store with expiration support (bsd3, cache, data, library)2019-12-090.1.3.0hverr
cache-polysemy40.00cached hashmaps (bsd3, cache, library)2020-04-240.1.2Poscat
cached10.00Cache values to disk. (bsd3, data-flow, library, workflow)2019-03-050.1.0.0GuillaumeCherel
cached-io50.00A simple library to cache IO actions (apache, development, library, program)2024-03-121.3.0.0pjrt, potomak, glasserc, mhova, jack, rickowens, Bellroy, kokobd, HughDavidson, LukeWorth
cached-json-file80.02Locally cache a json file obtained by http (bsd3, library, network)2021-12-270.1.1JensPetersen
cached-traversable40.01Transparent, persistent caching of lazy, traversable structures (bsd3, data, library)2014-10-070.1.0.1ThomasTuegel
caching (deprecated)20.00Cache combinators. (bsd3, data, deprecated, library)2020-09-050davean
caching-vault40.00A vault-style cache implementation (bsd3, data, library)2021-01-030.1.0.0AlexanderThiemann
cachix130.00Command-line client for Nix binary cache hosting https://cachix.org (apache, library, nix, program)2025-03-151.7.7domenkozar
cachix-api190.01Servant HTTP API specification for https://cachix.org (apache, library, nix)2025-03-151.7.7domenkozar
cacophony92.01A library implementing the Noise protocol. (cryptography, library, public-domain)2025-01-090.11.0jgalt
caerbannog32.01That rabbit's got a vicious streak a mile wide! (bsd3, data, library, parsing)2022-08-281.0.0.2fozworth
caf20.01A library of Concurrency Abstractions using Futures. (bsd3, concurrency, library)2009-03-260.0.3MartinaWillig
cafeteria-prelude20.01Prelude subsets—take only what you want! (library, mit, prelude)2015-02-140.1.0.0scottflesichman, scottfleischman
caffegraph22.01 (bsd3, library, math)2015-02-170.1.0.2ajtulloch
cairo1222.2582Binding to the Cairo library. (bsd3, graphics, library)2025-03-200.13.12.0AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
cairo-canvas20.01Simpler drawing API for Cairo. (graphics, library, mit)2017-08-130.1.0.0apirogov
cairo-core20.01Cairo Haskell binding (partial) (bsd3, graphics, library)2019-04-091.16.7magicloud
cairo-image90.02Image for Cairo (bsd3, graphics, library)2025-03-170.1.0.5YoshikuniJujo
cake30.01A build-system library and driver (development, library, program)2014-10-131.1.0.1JeanPhilippeBernardy
cake340.01Third cake the Makefile EDSL (bsd3, development, library, program)2016-10-260.6.5SergeyMironov
cal-layout20.00Calendar Layout Algorithm (bsd3, library, math, program)2019-01-030.1.0.2bor0
cal3d20.02Haskell binding to the Cal3D animation library. (animation, graphics, library)2009-06-270.1GregoryWeber
cal3d-opengl20.01OpenGL rendering for the Cal3D animation library (animation, graphics, library)2009-06-270.1GregoryWeber
calamity230.02A library for writing discord bots in haskell (library, mit, network, web)2024-10-140.12.1.0nitros12
calamity-commands130.02A library for declaring, parsing, and invoking text-input based commands (library, mit, utils)2024-03-270.4.1.0nitros12
caldims10.01Calculation tool and library supporting units (library, math, program)2008-11-050.1.0RickKaudewitz
call20.01The call game engine (bsd3, game, library)2015-03-21FumiakiKinoshita
call-alloy210.00A simple library to call Alloy given a specification (language, library, mit)2024-04-240.5.0.1marcellus
call-haskell-from-anything130.00Call Haskell functions from other languages via serialization and dynamic libraries (library, mit, network, program)2017-08-041.1.0.0NiklasHambuechen
call-plantuml150.00A simple library to call PlantUML given a diagram specification (graphics, language, library, mit)2023-12-060.0.1.3marcellus
call-stack840.028Use GHC call-stacks in a backward compatible way (data, library, mit)2021-05-150.4.0SimonHengel
calligraphy60.00HIE-based Haskell call graph and source code visualizer (bsd3, development, haskell, language, library, program)2023-06-260.1.6jonascarpay
camfort40.01CamFort - Cambridge Fortran infrastructure (analysis, apache, fortran, language, library, program)2022-10-121.2.0DominicOrchard, mdanish, madgen, raehik
campfire20.01Haskell implementation of the Campfire API (bsd3, library, web)2012-06-110.2.1MichaelXavier
can-i-haz100.01Generic implementation of the Has and CoHas patterns (bsd3, control, library)2023-01-180.3.1.10xd34df00d
canadian-income-tax160.00Canadian income tax calculation (gpl, library, productivity, program, tax)2025-03-092024.0MarioBlazevic
candid90.00Candid integration (codec, library, program)2024-04-280.5.0.2JoachimBreitner
canon20.01Arithmetic for Psychedelically Large Numbers (library, math, mit)2019-09-030.1.1.4grandpascorpion
canonical-filepath80.01Abstract data type for canonical file paths. (bsd3, library, system)2014-02-151.0.0.3ThomasSchilling
canonical-json290.01Canonical JSON for signing and hashing JSON values (bsd3, json, library, text)2022-09-200.6.0.1DuncanCoutts, EdskoDeVries, HerbertValerioRiedel
canteven-config (deprecated)30.02A pattern for configuring programs. (apache, deprecated, library, unclassified)2015-06-221.0.0.0pjrt, potomak, glasserc, mhova
canteven-http20.02Utilities for HTTP programming. (library, mit, unclassified)2017-09-120.1.5.1potomak, glasserc
canteven-listen-http10.01data types to describe HTTP services (apache, development, library)2017-08-291.0.0.3pjrt, potomak, glasserc, mhova
canteven-log (deprecated)20.04A canteven way of setting up logging for your program. (apache, deprecated, development, library)2018-02-022.0.2.1pjrt, potomak, glasserc, mhova
canteven-parsedate20.01Date / time parsing utilities that try to guess the date / time format. (apache, library, unclassified)2016-08-181.0.1.2mhova
canteven-template50.01A few utilites and helpers for using Template Haskell in your projects. (apache, library, web)2015-12-150.1.0.0pjrt, potomak, glasserc, mhova
cantor-pairing60.00Convert data to and from a natural number representation (data, library, mit)2022-05-060.2.0.2identicalsnowflake
capability262.01Extensional capabilities and deriving combinators (bsd3, control, library)2022-03-210.5.0.1aherrmann
capataz40.01OTP-like supervision trees in Haskell (concurrency, control, library, mit)2019-05-210.2.1.0RomanGonzalez
capnp40.00Cap'n Proto for Haskell (capnproto, data, library, mit, network, program, rpc, serialization)2023-06-230.18.0.0isd
capped-list (deprecated in favor of enumerator)30.01A list-like type for lazy sequences, with a user-defined termination value. (bsd3, data, deprecated, library)2010-01-091.2JohnMillikin
caps20.00Monadic capabilities with late binding (bsd3, control, library)2021-03-140.1int_index
captcha-2captcha20.00A package for integrating a variety of captcha solving services. (library, mit, network)2022-01-070.1.0.0qwbarch
captcha-capmonster30.00A package for integrating a variety of captcha solving services. (library, mit, network)2022-01-070.1.0.0qwbarch
captcha-core20.02A package for integrating a variety of captcha solving services. (library, mit, network)2022-01-170.1.0.1qwbarch
caramia50.01High-level OpenGL bindings (graphics, library, mit)2015-05-090.7.2.2Adeon
carbonara20.01some spaghetti code (bsd3, library, system)2017-03-100.0.1szehk
cardano-addresses170.00Utils for constructing a command-line on top of cardano-addresses. (apache, cardano, library, program)2025-03-034.0.0cardano_foundation
cardano-coin-selection60.00Algorithms for coin selection and fee balancing. (apache, cardano, coin, library, utxo)2020-05-131.0.1JonathanKnowles, rvl, KtorZ
cardano-crypto190.00Cryptography primitives for cardano (crypto, library, mit)2025-03-011.3.0cardano_foundation
cardano-transactions20.00Library utilities for constructing and signing Cardano transactions. (apache, cardano, library, program)2020-04-211.0.0KtorZ
carray140.014A C-compatible array library. (bsd3, data, library)2017-07-180.1.6.8HenningThielemann, JedBrown
cartel (deprecated in favor of hpack)20.01Specify Cabal files in Haskell (bsd3, deprecated, distribution, library, program)2016-06-300.18.0.2OmariNorman
cas-hashable32.03A hashing class for content-addressed storage (control, library, mit)2020-03-091.0.1YvesPares
cas-hashable-s340.00ContentHashable instances for S3 objects (control, library, mit)2020-03-091.0.0YvesPares
cas-store42.01A content-addressed storage (control, library, mit)2020-06-011.1.0YvesPares
casa-abbreviations-and-acronyms100.01CASA Abbreviations and Acronyms (aviation, bsd3, library)2021-10-310.0.10TonyMorris, qfpl
casa-client220.02Client for Casa (bsd3, development, library)2023-08-150.0.2ChrisDone, MichaelSnoyman, mpilgrem
casa-types220.03Types for Casa (bsd3, development, library)2020-11-110.0.2ChrisDone, MichaelSnoyman, borsboom
casadi-bindings70.02mid-level bindings to CasADi (lgpl, library, math, numerical)2018-12-153.4.5.0GregHorn
casadi-bindings-control (deprecated in favor of casadi-bindings-core)30.01low level bindings to casadi-control (deprecated, lgpl, library, math, numerical)2014-08-212.0.0.1GregHorn
casadi-bindings-core60.06autogenerated low level bindings to casadi (lgpl, library, math, numerical)2018-12-153.4.5.0GregHorn
casadi-bindings-internal110.07low level bindings to CasADi (lgpl, library, math, numerical)2018-12-150.1.6.1GregHorn
casadi-bindings-ipopt-interface (deprecated in favor of casadi-bindings-core)50.01low level bindings to casadi-ipopt_interface (deprecated, lgpl, library, math, numerical)2014-05-271.9.0.3GregHorn
casadi-bindings-snopt-interface (deprecated in favor of casadi-bindings-core)40.01low level bindings to casadi-snopt_interface (deprecated, lgpl, library, math, numerical)2014-05-271.9.0.3GregHorn
cascading (deprecated in favor of clay)20.01DSL for HTML CSS (Cascading Style Sheets) (bsd3, deprecated, library, web)2013-06-200.1.0ErtugrulSoeylemez, esz
case-conversion70.01Convert between different cases (bsd3, library, program, text)2017-01-150.2AlanHawkins
case-insensitive950.0368Case insensitive string comparison (bsd3, data, library, text)2019-05-051.2.1.0BasVanDijk, SimonHengel
case-insensitive-match80.00A simplified, faster way to do case-insensitive matching. (bsd3, library, program, text)2016-08-040.1.1.0mikehat
cased70.01Track string casing in its type (library, mit, text)2015-06-150.1.0.0WilliamCasarin
caseof10.01Combinators for casing on constructors (bsd3, development, library)2018-03-070.0.1ChrisDone
cases120.05A converter for spinal, snake and camel cases (library, mit, text)2023-12-280.1.4.3NikitaVolkov
cash30.01the Computer Algebra SHell (bsd3, computer-algebra, library, math)2012-03-260.1.0.1ChrisBrown
casing170.030Convert between various source code casing conventions (library, mit, text)2019-09-050.1.4.1TobiasDammers
casr-logbook500.08CASR 61.345 Pilot Personal Logbook (aviation, library)2024-07-070.7.0TonyMorris
casr-logbook-html10.03CASR 61.345 Pilot Personal Logbook HTML output (aviation, library)2016-10-300.0.3TonyMorris
casr-logbook-meta50.04Meta-information about entries in a CASR 61.345 logbook (casr-logbook) (aviation, library)2016-08-240.0.4TonyMorris
casr-logbook-meta-html90.02Meta-information about entries in a CASR 61.345 logbook (casr-logbook) HTML output (aviation, library)2016-08-240.0.4TonyMorris
casr-logbook-reports50.03CASR 61.345 logbook (casr-logbook) reports. (aviation, library)2016-08-240.0.2TonyMorris
casr-logbook-reports-html50.02CASR 61.345 logbook reports HTML output (aviation, library)2016-08-240.0.2TonyMorris
casr-logbook-reports-meta80.02Reports on meta-information about entries in a CASR 61.345 logbook (casr-logbook) (aviation, library)2016-08-240.0.3TonyMorris
casr-logbook-reports-meta-html60.02HTML output for reports on meta-information about entries in a CASR 61.345 logbook (aviation, library)2016-08-240.0.3TonyMorris
casr-logbook-types60.08CASR 61.345 Pilot Personal Logbook (aviation, library)2016-09-080.0.2TonyMorris
cassandra-cql42.252Haskell client for Cassandra's CQL protocol (bsd3, database, library)2015-07-300.5.0.2StephenBlackheath, kayceesrk
cassandra-thrift20.03thrift bindings to the cassandra database (database-, library)2013-04-210.8.5.1KirkPeterson, OzgunAtaman
cassava1292.597A CSV parsing and encoding library (bsd3, csv, library, text, web)2024-08-030.5.3.2AndreasAbel, HerbertValerioRiedel, JohanTibell, phadej
cassava-conduit360.01Conduit interface for cassava package (bsd3, data, library)2024-01-020.6.6domdere
cassava-embed51.251CSV-file embedding library (bsd3, csv, library, text)2017-09-200.1.0.0mniip, typeable
cassava-generic30.00Cassave instances for functor-like datatypes like `Either String a`. (bsd3, data, library)2020-07-300.1.0.1MichalGajda
cassava-megaparsec310.02Megaparsec parser of CSV files that plays nicely with Cassava (csv, library, mit, parsing, text, web)2024-02-282.1.1jsl, stackbuilders, sestrella, wild_willy
cassava-records50.01Auto-generation of records data type. (bsd3, csv, library, text, web)2018-01-230.1.0.4gdevanla
cassava-streams40.01io-streams interface for the cassava CSV library. (bsd3, csv, data, io-streams, library, text)2020-10-290.3.0.5PeterJones
cassava-th10.00`TemplateHaskell` helpers for `cassava` (bsd3, library, system)2023-12-080.1.0.0parsonsmatt
cassette10.01A combinator library for simultaneously defining parsers and pretty printers. (bsd3, library, parsing, text)2012-03-190.1.0MathieuBoespflug
cassy20.01A high level driver for the Cassandra datastore (bsd3, database, library)2014-09-020.7.1OzgunAtaman
cast82.01Abstact cast pattern (bsd3, library, pattern)2017-07-310.1.0.2ozzzzz
castagnoli30.01Portable CRC-32C (bsd3, data, library)2024-02-020.2.0.2andrewthad, l3c_amartin
caster80.01Multicast, thread-safe, and fast logger. (bsd3, library, system)2019-05-060.0.3.0A_kirisaki
catalyst20.00A Category typeclass hierarchy powerful enough to encode full programs. (bsd3, library, unclassified)2021-04-120.0.0.1ChrisPenner
catamorphism30.01Exposes a Template Haskell function for generating catamorphisms. (bsd3, development, library)2018-04-150.7.0.0frerich
catch-fd20.02MonadThrow and MonadCatch, using functional dependencies (bsd3, control, library)2012-10-120.2.0.2AndySonnenburg
categorical-algebra20.01Categorical Monoids and Semirings (bsd3, data, library)2012-03-260.0.0.1JonathanFischoff
categories310.07Categories (bsd3, control, library)2015-01-061.0.7EdwardKmett
category (deprecated)81.2511Categorical types and classes (bsd3, control, deprecated, library, math)2019-12-240.2.5.0
category-extras20.011A meta-package documenting various packages inspired by category theory (bsd3, comonads, control, library, monads)2012-04-061.0.2DanDoel, DanielWagner, EdwardKmett, RussellOConnor
category-printf40.01Highbrow approach to type-safe printf format specifications. (bsd3, library, text)2016-05-080.1.1.0CaleGibbard
category-traced (deprecated in favor of category)11.251Traced monoidal categories (bsd3, deprecated, library, math)2016-02-240.1.0.1
cattrap40.00Lays out boxes according to the CSS Box Model. (gpl, graphics, library, program)2024-03-190.6.0.0alcinnz
cauldron20.00Dependency injection library (bsd3, dependency-injection, library, program)2024-12-310.6.1.0DanielDiazCarrete
cautious30.01Keep track of warnings and errors during calculations. (bsd3, library, testing)2018-04-290.3.0.0NickskeVdb
cautious-file120.05Ways to write a file cautiously, to reduce the chances of problems such as data loss due to crashes or power failures (bsd3, library, system)2013-01-011.0.2CoreyOConnor, RobinGreen
cautious-gen20.01 (bsd3, library, testing)2018-04-290.0.0.0
cayene-lpp (deprecated in favor of cayenne-lpp)30.01Cayenne Low Power Payload (bsd3, deprecated, library, web)2018-07-310.1.0.0srk
cayenne-lpp40.01Cayenne Low Power Payload (bsd3, library, web)2021-03-200.2.0.0srk
cayley-client170.01A Haskell client for the Cayley graph database (bsd3, database, library)2024-05-140.4.19.4MichelBoucey
cayley-dickson60.01Complex numbers, quaternions, octonions, sedenions, etc. (algebra, library, math, mit)2015-11-300.3.1.0lmj
cborg1092.517Concise Binary Object Representation (CBOR) (bsd3, codec, library)2023-11-140.2.10.0AustinSeipp, BenGamari, DuncanCoutts, HerbertValerioRiedel, FinleyMcIlwaine
cborg-json350.02A library for encoding JSON as CBOR (bsd3, codec, library)2023-11-140.2.6.0AustinSeipp, BenGamari, FinleyMcIlwaine
ccast (deprecated)50.01typesafe c-style casts; useful for FFI (bsd3, data, deprecated, library)2018-05-290.1.0.0chessai
cci20.01Bindings for the CCI networking library (bsd3, library, network)2013-11-050.3.1FacundoDominguez
ccnx10.01A Haskell implementation of the CCNx network protocol. (bsd3, library, network)2010-08-240.0.0TomHawkins
cctools-workqueue20.01High-level interface to CCTools' WorkQueue library (distributed-computing, gpl, library)2013-01-023.6.1.0.1.0.0.1BadiAbdulWahid
cdar-mBound70.01Exact real arithmetic using Centred Dyadic Approximations (bsd3, data, library, program)2021-06-040.1.0.4MichalKonecny
cdeps40.03Extract dependencies from C code. (bsd3, c, development, language, library, program)2020-06-240.1.3.1vmchale
cdp30.00A library for the Chrome Devtools Protocol (bsd3, chrome, library, package.category, program)2022-12-240.0.2.0arsalan0c
cedict30.01Convenient Chinese phrase & character lookup. (library, program, text)2008-07-300.2.5JasonDusek
cef10.01CEF log format (bsd3, library, system)2016-05-080.1.4utdemir
cef3-raw10.01Raw CEF3 bindings (bsd3, ffi, library)2017-04-150.1.0MaksymilianOwsianny
cef3-simple20.01Simple wrapper around cef3-raw (bsd3, ffi, library)2017-04-150.1.0MaksymilianOwsianny
ceilometer-common30.02Common Haskell types and encoding for OpenStack Ceilometer (bsd3, development, library)2015-03-260.2.3fractalcat
cellrenderer-cairo20.01Cairo-based CellRenderer (bsd3, graphics, library)2013-05-131.0.0.0JohnLato
celtchar (deprecated)20.00A tool to build a novel (deprecated, library, mit, program, text)2018-03-030.1.4.0lethom
cerberus (deprecated)20.00Protect and control API access with cerberus (bsd3, deprecated, development, library, program)2015-12-170.1.0.0yogsototh
cereal1322.25459A binary serialization library (bsd3, data, library, parsing)2022-08-090.5.8.3EricMertens, ThomasDuBuisson, TrevorElliott
cereal-conduit170.010Turn Data.Serialize Gets and Puts into Sources, Sinks, and Conduits (bsd3, conduit, library)2018-02-010.8.0MichaelSnoyman, MylesMaxfield
cereal-data-dword30.01Integration of "cereal" and "data-dword" (library, mit, unclassified)2018-08-110.1.1NikitaVolkov
cereal-derive20.01Automatic deriving of Serialize using GHC.Generics (data, gpl, library)2011-11-060.1.1JaredHance
cereal-enumerator40.01Deserialize things with cereal and enumerator (library, public-domain, text)2011-10-070.3.1PatrickPalka
cereal-ieee754 (deprecated in favor of cereal)20.01Floating point support for the 'cereal' serialization library (bsd3, data, deprecated, library, parsing)2011-08-310.1JacobStanley
cereal-io-streams10.01io-streams support for the cereal binary serialization library (bsd3, data, io-streams, library, parsing)2016-07-080.0.1.0MichaelXavier
cereal-plus (deprecated)30.02An extended serialization library on top of "cereal" (deprecated, library, mit, serialization)2016-09-030.4.2NikitaVolkov
cereal-streams (deprecated in favor of wire-streams)30.01Use cereal to encode/decode io-streams. (bsd3, data, deprecated, io-streams, library, parsing)2016-07-090.0.1.0winterland
cereal-text150.020Data.Text instances for the cereal serialization library (apache, data, library)2016-06-010.1.0.2ulikoehler
cereal-time30.01Serialize instances for types from `time` package. (bsd3, data, library)2017-11-060.1.0.0zohl
cereal-unordered-containers90.01Integration of "cereal" and "unordered-containers" (library, mit, unclassified)2023-12-120.1.0.1NikitaVolkov
cereal-uuid30.01Integration of "cereal" and "uuid" (library, mit, unclassified)2018-08-030.1.1.1NikitaVolkov
cereal-vector210.017Serialize instances for Data.Vector types. (bsd3, data, library)2014-02-160.2.0.1AdamFoltzer
certificate (deprecated in favor of x509)480.021Certificates and Key Reader/Writer (bsd3, data, deprecated, library)2013-10-071.3.9VincentHanquez
cf12.251Exact real arithmetic using continued fractions (library, math, mit)2015-09-030.4.2mvr
cfenv60.01A library getting the environment when running on Cloud Foundry (bsd3, library)2018-06-250.1.0.0tomoram
cfg32.00Type directed application configuration parsing and accessors (configuration, library, mit)2024-04-140.0.2.2JonathanLorimer
cflp60.01Constraint Functional-Logic Programming in Haskell (bsd3, control, library)2009-06-042009.2.1SebastianFischer
cfn-flip20.01Haskell implementation of aws/cfn-flip (library, mit, tools)2022-11-030.1.0.3PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
cgen30.02generates Haskell bindings and C wrappers for C++ libraries (bsd3, development, library, program)2012-06-160.0.5AnttiSalonen
cgi440.041A library for writing CGI programs (bsd3, library, network)2025-02-233001.5.1.0AndersKaseorg, BjornBringert, IanLynagh, MaxBolingbroke, PeterSimons, cheecheeo
cgi-undecidable40.01Undecidable instances for the cgi package. (bsd3, library, unclassified)2007-02-113000.0.0BjornBringert
cgi-utils40.01Simple modular utilities for CGI/FastCGI (sessions, etc.) (bsd3, cgi, library, web)2011-03-290.2.1
cgroup-rts-threads70.00A container-/cgroup-aware substitute for the GHC RTS `-N` flag (concurrency, library, mpl)2022-07-020.2.1.1cnr
chain-codes60.01Library decoding chain codes from images (data, gpl, library)2014-03-160.3.0.0MateuszKowalczyk
chakra40.00A REST Web Api server template for building (micro)services. (library, mit, program, web)2021-11-070.1.2cackharot
chalk30.01Terminal string styling. (library, mit, system)2016-09-140.1.0.2cattheory
chalkboard70.02Combinators for building and processing 2D images. (bsd3, graphics, library)2009-12-021.9.0.16AndyGill
chalkboard-viewer10.01OpenGL based viewer for chalkboard rendered images. (bsd3, graphics, library)2009-04-240.1AndyGill
chalmers-lava2000170.02Hardware description EDSL (bsd3, hardware, language, library)2016-05-191.6.1EmilAxelsson
chan80.04Some extra kit for Chans (bsd3, concurrency, library)2018-12-040.0.4.1athanclark
chan-split40.02Concurrent Chans as read/write pairs. Also provides generic Chan pair class. (bsd3, concurrency, library)2012-10-270.5.0BrandonSimmons
change-monger70.01Parse VCS changelogs into ChangeLogs (bsd3, development, library, program, text)2008-05-150.0GwernBranwen
changelogged50.00Changelog manager for Git projects. (bsd3, development, library, program)2018-03-060.2.0NickolayKudasov, viviag
changeset40.03Stateful monad transformer based on monoidal actions (control, library, mit)2025-02-110.1.0.2turion
changeset-containers40.00Stateful monad transformer based on monoidal actions (control, library, mit)2025-02-110.1.0.2turion
changeset-lens40.00Stateful monad transformer based on monoidal actions (control, library, mit)2025-02-110.1.0.2turion
changeset-reflex60.00Stateful monad transformer based on monoidal actions (control, library, mit)2025-02-110.1.0.2turion
chapelure10.00A diagnostics library for Haskell (library, mit, pretty-printer)2022-03-310.0.1.0hecate
char-boxdrawing20.00Combinators for unicode or ASCII box drawing characters (bsd3, library, text)2024-06-041MikeLedger
char-decode30.00Convert legacy byte encodings to and from Unicode (bsd3, library, text)2019-01-080.0.1nbloomf
char-qq30.00Quasiquoters for characters and codepoints (library, mit, quasiquotes)2019-02-070.1.1.1NikitaVolkov
character-cases60.00Exposes subspecies types of Char. And naming cases. (library, mit, simple)2020-06-020.1.0.6aiya000
character-ps520.02Pattern synonyms for ASCII characters for Word8, Word16 etc (bsd3, data, library)2023-10-220.1phadej
charade22.01Rapid prototyping websites with Snap and Heist (bsd3, library, program, web)2014-11-070.1.1.2DougBeardsley
charset1280.016Fast unicode character sets based on complemented PATRICIA tries (bsd3, data, library)2025-03-030.3.12EdwardKmett, phadej, ryanglscott
charsetdetect140.01Character set detection using Mozilla's Universal Character Set Detector (library, text)2024-01-071.1.0.3MaxBolingbroke
charsetdetect-ae130.03Character set detection using Mozilla's Universal Character Set Detector (library, text)2018-05-251.1.0.4Artyom
chart-histogram (deprecated in favor of Chart)30.01Easily render histograms with Chart (bsd3, deprecated, graphics, library)2016-04-131.1BenGamari
chart-svg132.05Charting library targetting SVGs. (bsd3, graphics, library)2025-01-160.8.0.3tonyday567
chart-svg-various (deprecated in favor of prettychart, chart-svg)30.00See readme.md (bsd3, deprecated, library, program, project)2020-08-070.0.2tonyday567
chart-unit (deprecated in favor of chart-svg)40.01Native haskell charts. (bsd3, charts, deprecated, library)2018-06-070.7.0.0tonyday567
charter20.00 (bsd3, library, program, unclassified)2020-11-140.1.1.1ChrisPenner
chaselev-deque90.04Chase & Lev work-stealing lock-free double-ended queues (deques). (bsd3, concurrent, data, library)2015-03-080.5.0.5BrandonSimmons, RyanNewton, peter_fogg
chassis50.01Polykinded Prelude Kernel. (library, mit, prelude)2021-08-090.0.6.0locallycompact
chatter102.251A library of simple NLP algorithms. (bsd3, library, natural-language-processing, program)2017-03-290.9.1.0RoganCreswick
chatty60.06Some monad transformers and typeclasses for text in- and output abstraction. (agpl, library, text)2021-01-040.8.0.0implementation
chatty-text30.03Provides some classes and types for dealing with text, using the fundaments of Chatty. (agpl, library, text)2016-04-050.6.2.1implementation
chatty-utils60.07Some utilities every serious chatty-based application may need. (agpl, data, library)2021-01-040.7.3.5implementation
chatwork40.00The ChatWork API in Haskell (library, mit, program, web)2018-08-060.1.3.5matsubara0507
cheapskate220.09Experimental markdown processor. (bsd3, library, program, text)2020-01-240.1.1.2JohnMacFarlane
cheapskate-highlight50.01Code highlighting for cheapskate (bsd3, library, text)2016-03-140.1.0.0Artyom
cheapskate-lucid40.01Use cheapskate with Lucid (bsd3, library, web)2016-03-150.1.0.0Artyom
cheapskate-terminal30.00Initial project template from stack (bsd3, library, program, web)2016-01-180.1.0.0yamadapc
check-cfg-ambiguity40.00Checks context free grammar for ambiguity using brute force up to given limit (bsd3, library, parsing)2024-06-020.1.1.0safinaskar
check-email70.01Confirm whether an email is valid and probably existant. (bsd3, library, network)2017-03-011.0.2ChrisDone, qoelet
checked20.01Bounds-checking integer types. (bsd3, data, library)2010-09-180.1.0.1AntoineLatter
checked-exceptions130.00mtl-style checked exceptions (control, library, mit)2025-03-050.2.0.0goolord
checkers262.07Check properties on standard classes and data structures. (bsd3, library, testing)2022-03-080.6.0ConalElliott, sjakobi
checkmate30.00Generate checklists relevant to a given patch (agpl, development, library, program)2018-08-310.4.0hongminhee
checksum90.01Compute and verify checksums of ISBN, IBAN, etc. (bsd3, library, math)2023-01-140.0.0.1HenningThielemann
chell190.03A simple and intuitive library for automated testing. (library, mit, testing)2023-07-110.5.0.2chris_martin, Monoid_Mary
chell-hunit110.01HUnit support for Chell (library, mit, testing)2023-07-110.3.0.2chris_martin
chell-quickcheck240.01QuickCheck support for Chell (library, mit, testing)2023-07-110.2.5.4chris_martin
cherry-core-alpha20.00The core library for Cherry Haskell. (bsd3, development, library)2021-01-270.5.0.0terezasokol
chessIO140.00Basic chess library (bsd3, game, library, program)2024-10-310.9.5.0mlang
chesshs50.01Simple library for validating chess moves and parsing PGN files (bsd3, game, library)2015-03-130.2.1ArnoVanLumig
chessica20.00A Library for Chess Game Logic (bsd3, game, library)2023-05-110.1.0.0MichaelSzvetits
chevalier-common20.02Query interface for Chevalier (bsd3, library, other)2015-03-260.6.0fractalcat
chez-grater20.00Parse and scrape recipe blogs (library, mit, program, web)2022-11-290.1.2dfithian
chiasma30.04A tmux client for Polysemy (library, terminal)2023-12-280.10.1.0tek
chiasma-test40.01Testing tools for chiasma (library, terminal)2023-12-280.10.1.0tek
chimera270.02Lazy infinite streams with O(1) indexing and applications for memoization (bsd3, data, library)2024-04-190.4.1.0Bodigrim
chiphunk160.01Haskell bindings for Chipmunk2D physics engine (bsd3, library, physics)2020-12-070.1.4.0DavidHimmelstrup, CthulhuDen
choice310.05A solution to boolean blindness. (data, library, public-domain)2024-06-100.2.4.1MathieuBoespflug
choose10.01Choose random elements from a stream. (apache, library, random)2016-10-160.1.0.0chris_martin
choose-exe10.01Command-line program to choose random element from a stream. (apache, application, library, program)2016-10-160.1.0.0chris_martin
chorale22.251A module containing basic functions that the prelude does not offer (library, mit, prelude)2017-07-080.1.8FranzBenjaminMocnik
chorale-geo22.01A module containing basic geo functions (library, mit, prelude)2016-06-050.1.2FranzBenjaminMocnik
chp42.04An implementation of concurrency ideas from Communicating Sequential Processes (bsd3, concurrency, library)2014-04-252.2.0.1NeilBrown
chp-mtl20.01MTL class instances for the CHP library (bsd3, concurrency, library)2010-05-031.0.0NeilBrown
chp-plus40.03A set of high-level concurrency utilities built on Communicating Haskell Processes (bsd3, concurrency, library)2014-04-251.3.1.2NeilBrown
chp-spec10.01A mirror implementation of chp that generates a specification of the program (bsd3, concurrency, library)2010-05-031.0.0NeilBrown
chp-transformers20.01Transformers instances for the CHP library (bsd3, concurrency, library)2010-05-031.0.0NeilBrown
chr-core20.02Constraint Handling Rules (bsd3, control, library)2022-09-160.1.1.0AtzeDijkstra
chr-data20.04Datatypes required for chr library (bsd3, development, library)2018-08-180.1.0.1AtzeDijkstra
chr-lang20.00AST + surface language around chr (bsd3, development, library, program)2022-09-160.1.1.0AtzeDijkstra
chr-parse30.02Parsing for chr library (bsd3, development, library)2017-12-280.1.0.0AtzeDijkstra
chr-pretty50.04Pretty printing for chr library (bsd3, development, library)2017-12-280.1.0.0AtzeDijkstra
chromatin20.00neovim package manager (library, mit, neovim, program)2018-12-300.1.1.0tek
chronograph20.01measure timings of data evaluation (bsd3, library, testing)2014-01-020.2.0.1JohnLato
chronologique (deprecated in favor of core-data)162.04Time to manipulate time (deprecated, library, mit, text)2020-07-23AndrewCowie
chronos272.026A high-performance time library (bsd3, data, development, library, parsing, time)2024-12-111.1.6.2andrewthad, chessai, l3c_amartin
chronos-bench50.00Benchmarking tool with focus on comparing results. (benchmarking, bsd3, development, library, performance, program, testing)2019-03-100.2.0.2knupfer
chs-cabal160.00Cabal with c2hs dependencies (bsd3, build, cabal, customsetup, distribution, library, setup)2024-12-030.1.1.4vmchale
chs-deps80.01c2hs dependency analyzer (bsd3, chs, development, library, staticanalysis)2019-10-010.1.0.0vmchale
chu2110.01FFI for Chu2 Agda Web Server Interface (bsd3, library, web)2012-11-202012.11.20JinjingWang
chuchu50.01Behaviour Driven Development like Cucumber for Haskell (library, test)2014-04-060.4.5FelipeLessa, MarcoSilva
chunked-data250.012Typeclasses for dealing with various chunked data representations (data, library, mit)2018-01-150.3.1MichaelSnoyman
chunks10.02Simple template library with static safety (library, text)2007-04-182007.4.18MatthewSackman
chunky (deprecated)20.01Human-readable storage of text/binary objects. (codec, deprecated, lgpl, library, program)2014-12-030.1.0.0PhilippHausmann
church20.00Automatically convert Generic instances to and from church representations (generics, library, mit)2018-11-140.1.0.0dailectic
church-list (deprecated)30.01Removed; please see fmlist. (deprecated, library, mit, system)2014-05-030.0.2JohnWiegley
church-maybe10.01Church encoded Maybe (bsd3, data, library)2018-08-010.1.0.0qfpl
church-pair40.01Church encoded pair (bsd3, data, library)2017-07-070.1.0.1mat8913
churros40.00Channel/Arrow based streaming computation library. (control, data, library, mit)2022-10-160.1.6.0LyndonMaydwell
cicero-api20.00API bindings to IOHK's Cicero job scheduler (apache, api, library, program)2022-10-120.1.2.0shlevy
cielo20.01Cielo API v3 Bindings for Haskell (agpl, library, web)2016-11-170.1.2.0yamadapc
cil20.01An interface to CIL. (bsd3, language, library)2010-11-100.1.1TomHawkins
cimple62.02Simple C-like programming language (data, gpl, library, program)2024-11-060.0.22iphydf
cinvoke10.01A binding to cinvoke. (bsd3, foreign, library)2011-03-050.1RemiTurk
cio (deprecated)20.02A monad for concurrent IO on a thread pool (concurrency, deprecated, library, mit)2014-02-070.1.0NikitaVolkov
cipher-aes (deprecated in favor of cryptonite)410.020Fast AES cipher implementation with advanced mode of operations (bsd3, cryptography, deprecated, library)2015-06-210.2.11VincentHanquez
cipher-aes128380.07AES and common modes using AES-NI when available. (bsd3, cryptography, library)2021-10-070.7.0.6ThomasDuBuisson
cipher-blowfish (deprecated in favor of cryptonite)50.03Blowfish cipher (bsd3, cryptography, deprecated, library)2013-10-080.0.3VincentHanquez
cipher-camellia70.03Camellia block cipher primitives (bsd3, cryptography, library)2013-10-080.0.2VincentHanquez
cipher-des70.05DES and 3DES primitives (bsd3, cryptography, library)2013-10-240.0.6VincentHanquez
cipher-rc4 (deprecated in favor of cryptonite)80.07Fast RC4 cipher implementation (bsd3, cryptography, deprecated, library)2013-10-080.1.4VincentHanquez
cipher-rc530.01Pure RC5 implementation (bsd3, cryptography, library)2016-03-190.1.0.2FinnEspenGundersen
ciphersaber220.01Implementation of CipherSaber2 RC4 cryptography. (data, library, mit, program)2015-12-160.1.1.2BartonMassey
circ20.01A Compiler IR Compiler. (bsd3, compiler, language, library)2012-08-010.0.4TomHawkins
circle20.00Circle API client for Haskell (library, mit, web)2022-11-290.1.0.0dmarticus
circle-packing182.02Simple heuristic for packing discs of varying radii in a circle (bsd3, library, optimisation)2017-06-200.1.0.6JoachimBreitner
circlehs22.01The CircleCI REST API for Haskell (api, library, mit, web)2016-04-280.0.3dshevchenko
circuit-breaker40.00An implementation of the "circuit breaker" pattern to disable repeated calls to a failing system (bsd3, library, program, system)2019-03-240.1.0.0ChrisCoffey
circuit-notation30.00A source plugin for manipulating circuits in clash with a arrow notation (bsd3, hardware, library)2024-07-300.1.0.0cchalmers, QBayLogic
circular100.01Circular fixed-sized mutable vectors (bsd3, data-structures, library, math)2022-07-100.4.0.3dschrempf
circular-enum22.00Make bounded enum types circular (data, library, mit)2023-05-310.1.0.0memowe
circus30.00Types and a small DSL for working with netlistsvg (bsd3, hardware, library)2021-07-160.1.0.0isovector
cirru-parser30.01Cirru Parser in Haskell (library, mit, text)2015-05-100.0.2jiyinyiyong
cisco-spark-api60.00DEPRECATED in favor of webex-teams-api (library, mit, program, web)2018-12-240.1.0.4nshimaza
citation-resolve110.02convert document IDs such as DOI, ISBN, arXiv ID to bibliographic reference. (bsd3, library, text)2014-10-020.4.3TakayukiMuranushi
citeproc1510.04Generates citations and bibliography from CSL styles. (bsd2, library, text)2025-02-090.8.1.3JohnMacFarlane
citeproc-hs200.05A Citation Style Language implementation in Haskell (bsd3, library, text)2015-03-170.3.10AndreaRossato
cityhash80.02Bindings to CityHash (codec, library, mit)2012-02-090.3.0.1AustinSeipp
cj-token20.00A new Haskeleton package. (library, other, program)2017-05-050.0.1marnold
cjk30.01Data about Chinese, Japanese and Korean characters and languages (bsd3, library, text)2013-02-050.1.0.1MaxBolingbroke
cl332.03Clifford Algebra of three dimensional space. (algebra, bsd3, library, math)2022-04-103.0.0.0nwaivio
cl3-hmatrix-interface60.01Interface to/from Cl3 and HMatrix. (algebra, bsd3, library, math)2020-07-212.0.0.0nwaivio
cl3-linear-interface30.01Interface to/from Cl3 and Linear. (algebra, bsd3, library, math)2020-07-212.0.0.0nwaivio
cl3-posit10.00Clifford Algebra of three dimensional space, implemented with Posit numbers. (algebra, bsd3, library, math, numeric)2024-12-241.0.0.0nwaivio
clafer40.03Compiles Clafer models to other formats: Alloy, JavaScript, JSON, HTML, Dot. (library, mit, model, program)2017-03-130.4.5mantkiew
claferIG50.01claferIG is an interactive tool that generates instances of Clafer models. (library, mit, model, program)2017-03-130.4.5mantkiew
claferwiki70.01A wiki-based IDE for literate modeling with Clafer (library, mit, wiki)2017-03-130.4.5mantkiew
clang-compilation-database60.01JSON Compilation Database Format encoding and decoding (language, library, mit)2018-03-090.1.0.1AlekseyKliger
clang-pure30.01Pure C++ code analysis with libclang (apache, language, library)2020-01-310.2.0.6PatrickChilton
clarifai20.01API Client for the Clarifai API. (library, mit, network)2015-12-310.2.0.0jcanero
clash (deprecated in favor of clash-ghc)50.01CAES Language for Synchronous Hardware (CLaSH) (bsd3, deprecated, hardware, language, library)2011-12-020.1.3.11ChristiaanBaaij
clash-finite40.00A class for types with only finitely many inhabitants (hardware, library, mit)2025-03-091.0.0.0kleinreact
clash-ghc272.255Clash: a functional hardware description language - GHC frontend (bsd2, hardware, library, program)2025-01-041.8.2ChristiaanBaaij, QBayLogic
clash-lib330.010Clash: a functional hardware description language - As a library (bsd2, hardware, library, program)2025-01-041.8.2ChristiaanBaaij, QBayLogic
clash-lib-hedgehog120.00Hedgehog Generators for clash-lib (bsd2, hardware, library)2025-01-041.8.2ChristiaanBaaij, QBayLogic
clash-multisignal40.01 (bsd3, hardware, library)2017-07-050.2.0.0ralu
clash-prelude602.517Clash: a functional hardware description language - Prelude library (bsd2, hardware, library)2025-01-041.8.2ChristiaanBaaij, QBayLogic
clash-prelude-hedgehog240.00Hedgehog Generators for clash-prelude (bsd2, hardware, library)2025-01-041.8.2ChristiaanBaaij, QBayLogic
clash-prelude-quickcheck50.01QuickCheck instances for various types in the CλaSH Prelude (hardware, library, testing)2015-05-100.1.2.1JohnEricson
clash-shake30.00Shake rules for building Clash programs (hardware, library, mit, shake)2022-11-250.3.2GergoErdi
clash-systemverilog (deprecated in favor of clash-lib)340.02CAES Language for Synchronous Hardware - SystemVerilog backend (bsd2, deprecated, hardware, library)2017-04-250.7.2ChristiaanBaaij
clash-verilog (deprecated in favor of clash-lib)220.02CAES Language for Synchronous Hardware - Verilog backend (bsd2, deprecated, hardware, library)2017-04-250.7.2ChristiaanBaaij
clash-vhdl (deprecated in favor of clash-lib)50.02CAES Language for Synchronous Hardware - VHDL backend (bsd2, deprecated, hardware, library)2017-04-250.7.2ChristiaanBaaij
clashilator30.00Automated Clash to Verilator bridge (development, hardware, library, mit, program)2024-04-200.1.4GergoErdi
classify80.01Library for classification of media files. (data, library, public-domain)2013-11-062013.11.6.1DavidHimmelstrup
classy-effects (deprecated in favor of data-effects)20.01An interface for a handler-independent, typeclass-based effect system. (control, deprecated, effect, library, mpl)2024-07-090.1.0.1YamadaRyo
classy-effects-base (deprecated in favor of data-effects-core)20.03An interface for a handler-independent, typeclass-based effect system. (control, deprecated, effect, library, mpl)2024-07-090.1.0.1YamadaRyo
classy-effects-th (deprecated in favor of data-effects-th)20.01Automatic compliance with the classy-effects protocols (control, deprecated, effect, library, mpl, template-haskell)2024-07-090.1.0.1YamadaRyo
classy-influxdb-simple80.01Super simple InfluxDB package in Classy-MTL style (bsd3, database, library)2017-02-230.2.1.0schalmers
classy-miso20.00Typeclass based support for Miso, the Tasty Web Framework for Haskell. (bsd3, library, program, web)2018-03-260.0.0.2RobertFischer
classy-parallel10.02Fork of the monad-parallel package using monad-control (control, gpl, library)2012-07-310.1.0.0SamAnklesaria
classy-prelude400.057A typeclass-based Prelude. (control, library, mit, prelude)2023-08-011.5.0.3GregWeber, MichaelSnoyman
classy-prelude-conduit590.010classy-prelude together with conduit functions (control, library, mit, prelude)2018-10-081.5.0GregWeber, MichaelSnoyman
classy-prelude-yesod220.08Provide a classy prelude including common Yesod functionality. (control, library, mit, yesod)2018-10-081.5.0GregWeber, MichaelSnoyman
classyplate10.04Fuseable type-class based generics (bsd3, data, library)2018-11-140.3.2.0lazac
clay522.2518CSS preprocessor as embedded Haskell. (bsd3, graphics, library, web)2024-01-130.15.0SebastiaanVisser, tomjaguarpaw, turion
clckwrks160.011A secure, reliable content management system (CMS) and blogging platform (bsd3, clckwrks, library)2022-04-290.28.0.1JeremyShaw
clckwrks-cli110.01a command-line interface for adminstrating some aspects of clckwrks (bsd3, clckwrks, library, program)2022-04-170.3.0.5JeremyShaw
clckwrks-plugin-bugs180.01bug tracking plugin for clckwrks (bsd3, clckwrks, library)2014-08-200.7.5JeremyShaw
clckwrks-plugin-ircbot240.01ircbot plugin for clckwrks (bsd3, clckwrks, library)2019-05-260.6.17.5JeremyShaw
clckwrks-plugin-mailinglist40.01mailing list plugin for clckwrks (bsd3, clckwrks, library)2017-07-210.3.0.2JeremyShaw
clckwrks-plugin-media310.01media plugin for clckwrks (bsd3, clckwrks, library)2022-06-270.6.17.2JeremyShaw
clckwrks-plugin-page60.02support for CMS/Blogging in clckwrks (bsd3, clckwrks, library)2022-04-290.4.3.26JeremyShaw
clckwrks-plugin-redirect60.00support redirects for CMS/Blogging in clckwrks (bsd3, clckwrks, library)2022-04-290.0.1.3JeremyShaw
clckwrks-theme-bootstrap220.01simple bootstrap based template for clckwrks (bsd3, clckwrks, library)2022-04-290.4.3.5JeremyShaw
clckwrks-theme-clckwrks90.01simple bootstrap based template for clckwrks (bsd3, clckwrks, library)2016-10-070.5.2.1JeremyShaw
clckwrks-theme-geo-bootstrap50.01geo bootstrap based template for clckwrks (bsd3, clckwrks, library)2013-04-020.1.1JeremyShaw
cld220.01Haskell bindings to Google's Compact Language Detector 2 (apache, library, text)2018-03-210.1.1.1dfranke, k_bx
clean-unions (deprecated in favor of extensible)20.05Open unions without need for Typeable (bsd3, data, deprecated, library)2014-10-130.1.1FumiakiKinoshita
cleff21.751Fast and concise extensible effects (bsd3, control, effect, language, library)2022-05-210.3.3.0daylily
cleff-plugin42.00Automatic disambiguation for extensible effects (bsd3, control, effect, language, library)2022-03-130.1.0.0daylily
clerk20.00Declaratively describe spreadsheets (bsd3, library, spreadsheet)2023-01-250.1.0.3deemp
cleveland60.01Testing framework for Morley. (blockchain, library, mit)2023-07-310.4.0pasqu4le, serokell
clevercss20.03A CSS preprocessor (bsd3, library, program, text)2011-01-060.2.4GeorgBrandl
clexer10.01Lexes C++ code into simple tokens (bsd3, library, unclassified)2018-02-220.1.0.0ThomasEding
cli50.01CLI (bsd3, cli, library, program)2019-01-040.2.0VincentHanquez, nicolasdp
cli-arguments60.07A library to process command line arguments in some more convenient way. (cli, library, mit)2023-01-300.7.0.0OleksandrZhabenko
cli-arguments-strict10.00A library to process command line arguments in some more convenient way. (cli, library, mit, strict)2022-01-120.1.0.0OleksandrZhabenko
cli-builder20.01Simple project template from stack (library, mit, tool)2016-11-090.1.0mizunashi_mana
cli-extras50.03Miscellaneous utilities for building and working with command line interfaces (bsd3, command-line, library)2025-01-130.2.1.1JohnEricson, RyanTrinkle, abrar, alexfmpe, maralorn, madeline_os, ymeister
cli-git50.01Bindings to the git command-line interface (bindings, bsd3, git, library)2025-01-130.2.0.2JohnEricson, RyanTrinkle, abrar, alexfmpe, maralorn, madeline_os, ymeister
cli-nix60.01Bindings to the nix command-line interface (bindings, bsd3, library, nix)2025-01-130.2.0.1JohnEricson, RyanTrinkle, abrar, alexfmpe, maralorn, madeline_os, ymeister
cli-setup80.01Helper setup scripts for packaging command-line tools. (bsd3, command-line-tools, development, library)2019-12-150.2.1.4vmchale
clickhouse-haskell92.00A Haskell library as database client for Clickhouse (database, library, mit)2021-02-090.1.2.4MaboroshiChan
clientsession1090.031Securely store session data in a client-side cookie. (library, mit, program, web)2024-07-140.9.3.0FelipeLessa, MichaelSnoyman
clif10.01A Clifford algebra number type for Haskell (algebra, library, math, mit)2018-04-100.1.1.0maaleske
clifford30.01A Clifford algebra library (bsd3, library, math, numerical, program)2014-03-290.1.0.14spacekitteh
climb30.00Building blocks for a GHCi-like REPL with colon-commands (bsd3, library, program, user-interfaces)2024-12-170.5.1ejconlon
clingo10.01Haskell bindings to the Clingo ASP solver (asp, ffi, library, logic-programming, mit, symbolic-computation)2017-08-180.2.0.0tsahyt
clippard10.01A simple Haskell library for copying text to the clipboard in a cross-platform way. (library, mit, system)2012-11-150.1.1AnthonyGrimes
clipper10.01Haskell API to clipper (2d polygon union/intersection/xor/clipping API) (algebra, bsd3, library)2011-08-080.0.1ChetanTaralekar
clippings20.01A parser/generator for Kindle-format clipping files (`My Clippings.txt`), (library, mit, program, text)2015-08-270.2.0vi
clisparkline20.00Tiny library to pretty print sparklines onto the CLI (graphics, library, mit)2019-05-260.1.0.0bollu
clist (deprecated in favor of Fin)40.02Counted list (data, deprecated, library)2020-02-110.3.0.1
clit40.01Post tweets from stdin (bsd3, library, program, web)2017-03-210.4.0.6
clock1192.5133High-resolution clock functions: monotonic, realtime, cputime. (bsd3, library, system)2023-07-170.8.4CetinSert
clock-extras10.01A couple functions that probably should be in the 'clock' package (bsd3, library, web)2016-10-050.1.0.2JonathanFischoff
clocked30.01timer functionality to clock IO commands (concurrency, lgpl, library)2013-02-280.4.1.3SoenkeHahn
clogparse20.01Parse IRC logs such as the #haskell logs on tunes.org (bsd3, irc, language, library, text)2010-10-020.2KeeganMcAllister
closed82.251Integers bounded by a closed interval (data, library, mit)2022-03-310.2.0.2PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
closed-classes30.00Closed type class declarations (bsd3, classes, library)2021-09-08AnthonyVandikas
closed-intervals60.00Closed intervals of totally ordered types (data-mining, gpl, library)2023-09-290.2.1.0olf
closure10.01Depth- and breadth-first set closures (library, math, mit)2013-10-210.1.0.0JosephAbrahamson
cloud-haskell40.01The Cloud Haskell Application Platform (bsd3, control, library)2016-07-300.3.0.0FacundoDominguez, TimWatson
cloud-seeder20.01A tool for interacting with AWS CloudFormation (cloud, library)2018-04-190.2.0.0lexi_lambda, marnold
cloudfront-signer30.01CloudFront URL signer (bsd3, library, network)2013-08-240.0.0.1ChrisDornan
cloudi70.01Haskell CloudI API (foreign, library, mit)2023-10-272.0.7okeuday
cloudy20.00CLI tool to easily spin up and control compute instances in various cloud environments (bsd3, library, productivity, program)2024-09-230.1.0.1cdepillabout
clplug62.00Easily add functionality to your lightning node (bitcoin, library, lightning, mit, plugin)2024-05-261.0.0.0autonomousorganization
clr-bindings40.01Glue between clr-host and clr-typed (.net, bsd3, clr, ffi, language, library)2017-08-050.2.0PepeIborra, TimMatthews
clr-host30.03Hosting the Common Language Runtime (.net, bsd3, clr, ffi, language, library)2018-10-010.2.1.0PepeIborra, TimMatthews, moodmosaic
clr-inline10.01Quasiquoters for inline C# and F# (.net, bsd3, clr, ffi, language, library)2017-10-080.2.0.1PepeIborra, TimMatthews, moodmosaic
clr-marshal20.04Marshaling for the clr (.net, bsd3, clr, ffi, language, library)2017-08-050.2.0.0PepeIborra, TimMatthews, moodmosaic
clr-typed20.01A strongly typed Haskell interface to the CLR type system (.net, bsd3, clr, ffi, language, library)2017-08-050.2.0PepeIborra, TimMatthews
clumpiness70.01Calculate the clumpiness of leaf properties in a tree (gpl, library, math)2019-01-210.17.0.2GregorySchwartz
cluss10.02simple alternative to type classes (bsd3, constraints, library, type-system)2014-10-140.3Kinokkory
clustering122.04High performance clustering algorithms (library, math, mit)2019-01-080.4.1kaizhang
clutterhs20.01Bindings to the Clutter animation library (gui, library)2009-11-290.1MatthewArsenault
cmaes20.01CMA-ES wrapper in Haskell (algorithms, library, numerical, optimization)2020-10-100.2.3DominicSteinitz, TakayukiMuranushi
cmake-syntax30.00Parser for the CMake syntax (CMakeLists.txt and .cmake files) (bsd3, language, library)2019-08-030.1.0.00xd34df00d
cmark262.2511Fast, accurate CommonMark (Markdown) parser and renderer (bsd3, library, text)2023-07-080.6.1JohnMacFarlane
cmark-gfm280.04Fast, accurate GitHub Flavored Markdown parser and renderer (bsd3, library, text)2023-08-280.2.6kivikakk, janus, velveteer
cmark-highlight20.01Code highlighting for cmark (bsd3, library, text)2016-07-220.2.0.0Artyom
cmark-lucid50.01Use cmark with Lucid (bsd3, library, web)2016-07-220.1.0.0Artyom
cmark-patterns10.01Pattern synonyms for cmark (bsd3, library, parsing, text)2017-08-080.1.0.0Artyom
cmark-sections30.01Represent cmark-parsed Markdown as a tree of sections (bsd3, library, text)2018-08-190.3.0.1Artyom
cmath20.03A binding to the standard C math library (bsd3, library, math)2008-03-150.3DonaldStewart
cmathml330.01Data model, parser, serialiser and transformations for Content MathML 3 (bsd3, library, program, xml)2012-04-010.1AndrewMiller
cmd-item10.01Library to compose and reuse command line fragments (library, mit, system)2015-04-300.0.1.0geraud
cmdargs692.2599Command line argument processing (bsd3, console, library)2023-03-130.10.22NeilMitchell
cmdlib30.03a library for command line parsing & online help (bsd3, library, system)2015-05-280.3.6PetrRockai
cmdtheline50.07Declarative command-line option parsing and documentation library. (console, library, mit)2013-04-290.2.3EliFrey
cmf20.00(C)oncurrent (M)onoidal (F)olds (data, library, mit)2019-11-230.1chessai
cml40.01Events and Channels as in Concurrent ML (bsd3, concurrency, library)2009-10-050.1.3BenFranksen
cmonad30.01A library for C-like programming (bsd3, language, library)2009-03-290.1.1.1LennartAugustsson
cmph20.01low level interface to CMPH (bsd3, data, data-structures, library)2016-04-300.0.1MarkWotton
cmptype20.01Compare types of any kinds (bsd3, library, type)2019-08-110.2.0.0isovector
cmt10.00Write consistent git commit messages (bsd3, command-line-tools, library, program)2020-01-260.7.1.0smallhadroncollider
cmu50.01Unification in a Commutative Monoid (algebra, library, program)2019-10-171.12JohnRamsdell
cmv51.50Detailed visualization of CMs, HMMs and their comparisions (bioinformatics, gpl, library, program)2018-01-281.0.8FlorianEggenhofer
cndict132.01Chinese/Mandarin <-> English dictionary, Chinese lexer. (library, natural-language-processing, public-domain)2017-12-210.10.0DavidHimmelstrup
co-feldspar10.00Hardware software co-design Feldspar (bsd3, language, library)2021-06-150.1.0.1mararon
co-log402.57Composable Contravariant Comonadic Logging Library (comonad, contravariant, library, logging, mpl, program)2025-03-020.6.1.2vrom911, alaendle
co-log-concurrent52.01Asynchronous backend for co-log library (comonad, contravariant, library, logging, mpl)2021-08-130.5.1.0AlexanderVershilov
co-log-core1092.526Composable Contravariant Comonadic Logging Library (comonad, contravariant, library, logging, mpl)2025-03-020.3.2.5vrom911, alaendle
co-log-effectful20.00effectful log effect using co-log-core (bsd3, bsd3-, control, library, logging)2024-11-160.0.0.1eldritch_cookie
co-log-json41.50Structured messages support in co-log ecosystem. (library, mpl, system)2023-01-100.1.0.0AlexanderVershilov
co-log-polysemy142.57Composable Contravariant Comonadic Logging Library (comonad, contravariant, effects, library, logging, mpl, program)2025-01-050.0.1.6vrom911, alaendle
co-log-polysemy-formatting50.01A Polysemy logging effect for high quality (unstructured) logs. (bsd3, library, logging, program)2020-12-100.1.1.0AlexChapman
co-log-sys20.00Syslog implementation on top of 'co-log-core' (library, logging, mpl)2018-11-210.1.1.0pasqu4le
coalpit20.01DSV (de)serialization (bsd3, console, library)2024-02-030.2.0.0defanor
cobot50.02Computational biology toolkit to collaborate with researchers in constructive protein engineering (bio, bsd3, library)2023-03-230.1.1.8zmactep, ozzzzz, maksbotan, morozovvp
cobot-io82.00Biological data file formats and IO (bio, bsd3, library)2024-05-160.1.5.5zmactep, ozzzzz, maksbotan, morozovvp
cobot-tools20.00Biological data file formats and IO (bio, bsd3, library)2019-12-310.1.2.3ozzzzz
code-builder20.02Simple system for generating code. (bsd3, data, library)2014-05-260.1.3AdamBergmark, ErikHesselink
code-conjure280.00synthesize Haskell functions out of partial definitions (bsd3, haskell, library)2025-02-270.6.10rudymatela
code-page572.06Windows code page library for Haskell (bsd3, library, system)2021-02-060.2.1ryanglscott
codec32.01Simple bidirectional serialization (bsd3, data, library)2017-04-210.2.1PatrickChilton
codec-beam60.01Erlang VM byte code assembler (bsd3, codec, language, library)2018-07-060.2.0hkgumbs
codec-libevent (deprecated)40.02Cross-platform structure serialisation (bsd3, data, deprecated, library, parsing, program)2008-01-270.1.2AdamLangley
codec-mbox20.02A library to read and write mailboxes in mbox format (bsd3, codec, library)2013-06-010.2.0.0NicolasPouillard
codec-rpm30.01A library for manipulating RPM files (distribution, lgpl, library)2018-05-240.2.2clumens, dshea
codecov-haskell51.251Codecov.io support for Haskell. (bsd3, control, library, program)2017-06-170.5.0killy971
codeforces-cli22.00Command line interface to interact with Codeforces. (cli, library, mit, program)2021-06-170.1.0farbodsz
codepad22.01Submit and retrieve paste output from CodePad.org. (bsd3, library, web)2010-10-010.1ChrisDone, TheKing
codet10.02CodeT (bsd3, data, library)2024-05-290.1.0.1phadej
codet-plugin10.00GHC type-checker plugin for solving LiftT instances from codet (bsd3, data, library)2024-05-290.1.0.1phadej
codeworld-api100.01Graphics library for CodeWorld (library, unclassified)2023-02-090.8.1ChrisSmith, JoachimBreitner
codex50.01A ctags file generator for cabal project dependencies. (apache, development, library, program)2020-03-140.6.0.0bitemyapp, aloiscochard, parsonsmatt
codo-notation30.01A notation for comonads, analogous to the do-notation for monads. (bsd3, language, library)2012-11-220.5.2DominicOrchard
coerce-role30.00Having trouble deriving instances because of type roles? Solve it here! (bsd3, library, roles)2019-03-290.1.0.0parsonsmatt
coerce-util (deprecated in favor of coercible-utils)30.02utils for Data.Coerce (data, deprecated, library, mit)2018-04-200.1.0.0chessai
coercible-subtypes150.01Coercible but only in one direction (bsd3, data, library)2024-12-211viercc
coercible-subtypes-profunctor40.00Combine profunctors with coercible-subtypes (bsd3, data, library)2024-12-211viercc
coercible-utils40.03Utility functions for Coercible types (bsd3, control, library)2019-09-100.1.0sjakobi, chessai, koz_ross
coercion-extras20.01Extra utilities for manipulating nominal and representational coercions (bsd3, data, library)2019-08-050.1.0.0mniip
coformat20.00Generate clang-format config based on some existing code base (bsd3, language, library, program)2019-12-300.3.0.00xd34df00d
cofunctor (deprecated in favor of contravariant)50.02DEPRECATED: use the "contravariant" package (bsd3, data, deprecated, library)2011-09-200.1.0.1BrandonSimmons
cognimeta-utils50.02Utilities for Cognimeta products (such as perdure). API may change often. (library, program, unclassified)2012-09-260.1.2PatrickPremont
coinbase-exchange70.00Connector library for the coinbase exchange. (library, mit, program, web)2017-09-230.4.0.0andrewrademacher
coinbase-pro72.00Client for Coinbase Pro (finance, library, mit, program, web)2022-12-230.9.3.2mdunnio
coincident-root-loci42.01Equivariant CSM classes of coincident root loci (bsd3, library, math)2021-07-260.3BalazsKomuves
coinor-clp50.00Linear Programming using COIN-OR/CLP and comfort-array (bsd3, library, math)2024-01-030.0.0.2HenningThielemann
cointracking-imports82.02Generate CSV & XLSX files for importing into CoinTracking. (bsd3, finance, library, web)2022-10-290.1.0.2lysergia
colada20.01Colada implements incremental word class class induction using online LDA (bsd3, library, natural-language-processing, program)2015-03-020.8.4.0GrzegorzChrupala
colchis40.01Rudimentary JSON-RPC 2.0 client over raw TCP. (bsd3, library, network)2014-11-200.2.0.3DanielDiazCarrete
cold-widow31.50File transfer via QR Codes. (bsd3, library, program, utility)2016-10-310.1.2mihaigiurgeanu
collada-output30.02Generate animated 3d objects in COLLADA (bsd3, graphics, library, program)2011-07-250.6AndyGill, TillmannVogt
collada-types70.04Data exchange between graphics applications (bsd3, graphics, library)2019-10-110.4AndyGill, TillmannVogt
collapse-duplication30.00Collapse the duplication output into clones and return their frequencies. (bioinformatics, gpl, library, program)2018-08-280.4.0.1GregorySchwartz
collate30.00An Applicative Functor for extracting parts of a stream of values (algorithms, apache, library)2021-09-090.1.0.0AndrewPritchard
collect-errors90.07Error monad with a Float instance (bsd3, library, math)2024-04-100.1.6.0MichalKonecny
collection-json20.01Collection+JSON—Hypermedia Type Tools (data, library, mit)2019-02-221.3.1.3alunduil
collections20.01Useful standard collections types and related functions. (bsd3, data-structures, library)2011-07-300.3.1.1JeanPhilippeBernardy, JohannesWaldmann
collections-api20.06API for collection data structures. (bsd3, data-structures, library)2010-08-251.0.0.0JeanPhilippeBernardy
collections-base-instances40.02Useful standard collections types and related functions. (bsd3, data-structures, library)2010-08-251.0.0.0JeanPhilippeBernardy
colock40.02thread-friendly file locks that don't block the entire program (library, system)2008-01-280.2.2LukasMai
colonnade132.257Generic types and functions for columnar encoding and decoding (bsd3, library, web)2019-05-191.2.0.2andrewthad, chessai, l3c_amartin
color-counter20.01Count colors in images (graphics, library, mit, program)2016-04-160.1.2.2BrianBush
colorful-monoids150.02Styled console text output using ANSI escape sequences. (library, mit, monad, text, user-interfaces)2020-06-170.2.1.3minad
colorize-haskell90.01Highligt Haskell source (bsd3, development, library, program)2010-07-241.0.1IavorDiatchki
colorless30.03Colorless | The Programmatic IDL (bsd3, library, web)2017-10-172.2.20jxv
colorless-http-client90.01Http Client addon for Colorless (bsd3, library, web)2017-10-100.0.4jxv
colorless-scotty40.01Scotty server add-on for Colorless (bsd3, library, web)2017-10-110.0.2jxv
colors60.04A type for colors (bsd3, data, library)2015-02-230.3.0.2FumiakiKinoshita
colour872.0127A model for human colour/color perception (data, graphics, library, mit)2021-06-242.3.6RussellOConnor
colour-accelerate70.01Working with colours in Accelerate (accelerate, bsd3, data, graphics, library)2020-08-280.4.0.0TrevorMcDonell
colour-space40.01Instances of the manifold-classes for colour types (data, gpl, graphics, library, maths)2023-07-040.2.1.0leftaroundabout
colour-text20.00Print and parse colors (apache, graphics, library, text)2025-01-210.0.0.1chris_martin
colourista422.2512Convenient interface for printing colourful messages (ansi, library, mpl, terminal)2022-10-050.1.0.2tomjaguarpaw, vrom911
coltrane10.01A jazzy, minimal web framework for Haskell, inspired by Sinatra. (bsd3, library, web)2013-12-250.1.0.0wellecks
columbia20.01Enhanced serialization using seeking. (bsd3, library, serialization)2017-11-290.2JamesCandy
columnar60.00A CSV toolkit based on cassava and enum-text (bsd3, csv, library, text, web)2019-07-281.0.0.0ChrisDornan
comark20.00Commonmark processing in pure haskell. (bsd3, library, program, text)2017-09-210.1.0zudov
comark-html30.01Commonmark (markdown) to HTML renderer. (bsd3, library, text)2017-09-210.1.0zudov
comark-parser30.01Parser for Commonmark (markdown) (bsd3, library, text)2017-09-210.1.0zudov
comark-syntax30.03Definitions of AST that represents a Commonmark (markdown) document. (bsd3, library, text)2017-09-210.1.0zudov
combinat152.09Generate and manipulate various combinatorial objects. (bsd3, library, math)2023-10-130.2.10.1BalazsKomuves
combinat-compat30.01Generate and manipulate various combinatorial objects. (bsd3, library, math)2018-04-030.2.8.2vmchale
combinat-diagrams20.01Graphical representations for various combinatorial objects (bsd3, library, math)2015-10-300.2BalazsKomuves
combinator-interactive30.01SKI Combinator interpreter (bsd3, language, library, program)2013-09-070.1.2FumiakiKinoshita
combinatorial70.02Count, enumerate, rank and unrank combinatorial objects (bsd3, library, math, statistics)2023-02-150.1.1HenningThielemann
combinatorial-problems82.02A number of data structures to represent and allow the manipulation of standard combinatorial problems, used as test problems in computer science. (library, optimisation)2013-07-180.0.5RichardSenington
combinatorics (deprecated in favor of exact-combinatorics)40.01Efficient computation of common combinatoric functions. (bsd3, deprecated, library, math, statistics)2012-01-290.1.0WrenThornton
combinators30.00Collection of combinators over standard typeclasses (library, mit, unclassified)2025-01-140.1.1NikitaVolkov
combobuffer30.01Various buffer implementations (bsd3, data, library)2014-05-190.2JohnLato
comfort-array132.016Arrays where the index type is a function of the shape type (bsd3, data-structures, library)2024-05-180.5.5HenningThielemann
comfort-array-shape60.02Additional shape types for the comfort-array package (bsd3, data-structures, library)2021-08-050.0HenningThielemann
comfort-blas40.01Numerical Basic Linear Algebra using BLAS (bsd3, library, math)2025-02-030.0.3.1HenningThielemann
comfort-fftw50.00High-level interface to FFTW (Fast Fourier Transform) based on comfort-array (bsd3, library, math)2023-04-220.0.0.1HenningThielemann
comfort-glpk50.00Linear Programming using GLPK and comfort-array (bsd3, library, math)2023-05-110.1HenningThielemann
comfort-graph80.01Graph structure with type parameters for nodes and edges (bsd3, data, library)2023-09-290.0.4HenningThielemann
comic20.01A format for describing comics. (bsd3, data, library)2019-04-300.0.1davean
comma40.00CSV Parser & Producer (library, text)2017-02-071.1.0lovasko
comma-and30.00Join text together with commas, and "and". (bsd3, library, utils)2024-11-020.2.0.0wvanonsem90
command (deprecated in favor of shake)60.02Conveniently run shell commands (bsd3, deprecated, library, system)2014-09-020.1.1NiklasHambuechen
command-qq50.03Quasiquoters for external commands (bsd2, library, system)2020-01-090.3.1.0MatveyAksenov
commander10.00pattern matching against string based commands (bsd3, library, program, text)2016-03-110.1.0.0jsdw
commander-cli62.00A command line argument/option parser library (cli, library, mit, options, parsing, program, system)2023-01-170.11.0.0sgschlesinger
commandert50.01A monad for commanders (control, library, mit)2022-01-210.1.1.1sgschlesinger
commodities30.01Library for working with commoditized amounts and price histories (bsd3, finance, library)2017-01-230.2.0.1JohnWiegley
commonmark992.011Pure Haskell commonmark parser. (bsd3, library, text)2024-10-050.2.6.1JohnMacFarlane, zudov
commonmark-extensions1820.08Pure Haskell commonmark parser. (bsd3, library, text)2025-02-090.2.6JohnMacFarlane
commonmark-pandoc1390.07Bridge between commonmark and pandoc AST. (bsd3, library, text)2025-02-090.2.3JohnMacFarlane
commonmark-simple40.01Simple interface to commonmark-hs (library, mit, text)2022-02-050.1.0.0sridca
commonmark-wikilink40.01Obsidian-friendly commonmark wikilink parser (library, mit, web)2022-11-050.1.0.0sridca
commsec50.02Provide communications security using symmetric ephemeral keys (bsd3, cryptography, library)2014-01-080.3.5ThomasDuBuisson
commsec-keyexchange80.01Key agreement for commsec. (bsd3, library, network)2014-01-090.3.3ThomasDuBuisson
commutative80.01Commutative binary operations. (bsd3, data, library)2018-11-200.0.2athanclark
commutative-semigroups920.07Commutative semigroups (algebra, bsd3, data, library, math)2025-03-010.2.0.2JohnEricson, MarioBlazevic, RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
comonad1302.5164Comonads (bsd3, comonads, control, library)2024-12-045.0.9EdwardKmett, EricMertens, ryanglscott
comonad-extras180.04Exotic comonad transformers (bsd3, comonads, control, library)2020-02-214.0.1EdwardKmett
comonad-random (deprecated)40.01Comonadic interface for random values (control, deprecated, library)2009-07-210.1.2JakeMcArthur
comonad-transformers (deprecated in favor of comonad)1210.034This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)2013-10-134.0EdwardKmett
comonads-fd (deprecated in favor of comonad)390.010This package has been merged into comonad 4.0 (bsd3, comonads, control, deprecated, library)2013-10-134.0EdwardKmett
compaREST30.00Compatibility checker for OpenAPI (library, mit, program, web)2022-03-040.1.0.1mniip, typeable, iko
compact152.09Non-GC'd, contiguous storage for immutable data structures (bsd3, data, library)2020-04-130.2.0.0BenGamari, EdwardYang
compact-list20.01An append only list in a compact region (bsd3, data, library)2018-09-060.1.0harendra
compact-map10.01Compact Data.Map implementation using Data.Binary (bsd3, data, library)2008-11-092008.11.9DavidHimmelstrup
compact-mutable20.02Mutable arrays living on the compact heap (bsd3, library, web)2017-06-260.1andrewthad
compact-mutable-vector20.00Mutable vector with different GC characteristics (bsd3, data, library)2019-02-260.0.0.1rightfold
compact-sequences42.00Stacks, queues, and deques with compact representations. (bsd3, data, library)2020-09-010.2.0.0dfeuer
compact-socket20.01Socket functions for compact normal form. (bsd3, library, network)2015-08-280.1.0.0EdwardYang
compact-string (deprecated in favor of text)30.02Fast, packed and strict strings with Unicode support, based on bytestrings. (bsd3, data, deprecated, library)2008-11-270.3.1TwanVanLaarhoven
compact-string-fix50.07Same as compact-string except with a small fix so it builds on ghc-6.12 (bsd3, data, library)2011-08-190.3.2TonyHannan
compact-word-vectors70.02Small vectors of small integers stored very compactly. (bsd3, data, library)2021-04-250.2.0.2BalazsKomuves
compactable62.259A typeclass for structures which can be catMaybed, filtered, and partitioned. (bsd3, control, library)2022-01-090.2.0.0fresheyeball
compactmap70.01A read-only memory-efficient key-value store. (bsd3, data, library)2024-10-290.1.4.5SimonMarechal
companion150.02A Haskell library to provide companion threads. (bsd3, concurrency, library)2023-07-070.1.0MichaelSnoyman, fpcomplete, mpilgrem
compare-type50.01compare types of any kinds in haskell (bsd3, dependent-types, library)2015-01-100.1.1Kinokkory
comparse22.00A highly generic parser combinators library. (bsd3, library, parsing)2022-01-160.2.0.0nasso
compdata120.012Compositional Data Types (bsd3, generics, library)2023-10-160.13.1PatrickBahr
compdata-automata70.01Tree automata on Compositional Data Types (bsd3, generics, library)2018-09-250.9.2PatrickBahr
compdata-dags10.01Compositional Data Types on DAGs (bsd3, generics, library)2018-09-250.2.1PatrickBahr
compdata-fixplate60.01Compdata basics implemented on top of Fixplate (bsd3, generics, library)2018-11-010.1.3EmilAxelsson
compdata-param30.01Parametric Compositional Data Types (bsd3, generics, library)2018-09-250.9.2PatrickBahr
compdoc30.02Parse a Pandoc to a composite value. (composite, library, mit, pandoc, text)2021-07-260.3.0.0locallycompact
compdoc-dhall-decoder60.00Allows you to write FromDhall instances for Compdoc (bsd3, composite, dhall, library, pandoc)2021-07-260.3.0.0locallycompact
compendium-client80.01Client for the Compendium schema server (apache, library, network)2020-11-190.2.1.1AlejandroSerrano, FlavioCorpa
compensated92.02Compensated floating-point arithmetic (bsd3, library, numeric)2021-02-210.8.3EdwardKmett, EricMertens, ryanglscott
competition20.01Helpers and runners for code competitions (code-competitions, library, mit)2014-04-070.2.0.0yanatan16
compilation10.02Haskell functionality for quickly assembling simple compilers. (compilers-interpreters, gpl, language, library)2013-08-200.0.0.3AndreiLapets
compiler-warnings70.01Parser for common compiler warning formats (bsd2, development, library)2016-10-160.1.0DmitryIvanov
complex-generic20.03complex numbers with non-mandatory RealFloat (bsd3, library, math)2017-04-030.1.1.1ClaudeHeilandAllen
complex-integrate30.01A simple integration function to integrate a complex-valued complex functions (library, math, public-domain)2012-01-211.0.0MarkSafronov
complexity40.01Empirical algorithmic complexity (bsd3, library, testing)2009-05-280.1.3RoelVanDijk
componentm70.01Monad for allocation and cleanup of application resources (library, mit, system)2018-05-200.0.0.2RomanGonzalez
componentm-devel60.01Easy REPL driven development using ComponentM (library, mit, system)2018-05-200.0.0.2RomanGonzalez
composable-associations70.01Types and helpers for composing types into a single larger key-value type. (bsd3, library, web)2017-07-240.1.0.0smprts
composable-associations-aeson80.01Aeson ToJSON/FromJSON implementation for the types of composable-associations (bsd3, library, web)2021-03-150.1.0.1smprts
compose-ltr42.01More intuitive, left-to-right function composition. (data, library, mit)2017-11-210.2.4Wizek
compose-trans10.01Composable monad transformers (bsd3, library, monads)2011-11-050.1MiguelMitrofanov
composite-aeson50.08JSON for Vinyl records (bsd3, library, records)2023-12-040.8.2.2dridus, asariley, dfithian
composite-aeson-cofree-list30.01Print a Cofree [] as a JSON value. (library, mit, text)2020-09-190.1.0.0locallycompact
composite-aeson-path40.01Formatting data for the path library. (bsd3, library, records)2023-12-040.8.2.2dridus, asariley, dfithian
composite-aeson-refined280.01composite-aeson support for Refined from the refined package (bsd3, library, records)2023-12-040.8.2.2dridus, asariley, dfithian
composite-aeson-throw40.02MonadThrow behaviour for composite-aeson. (library, mit, text)2020-09-060.1.0.0locallycompact
composite-aeson-writeonly40.02WriteOnly indicators for composite-aeson. (library, mit, text)2020-09-190.1.0.0locallycompact
composite-base120.023Shared utilities for composite-* packages. (bsd3, library, records)2025-02-120.8.3.0dridus, asariley, dfithian
composite-binary100.01Orphan binary instances. (bsd3, library, records)2023-12-040.8.2.2dridus, asariley, dfithian
composite-cassava70.01Csv parsing functionality for composite. (composite, csv, library, mit)2021-09-010.0.3.1locallycompact
composite-dhall30.00Dhall instances for composite records. (composite, data, dhall, library, mit)2022-09-020.1.0.1locallycompact
composite-ekg50.01EKG Metrics for Vinyl records (bsd3, library, records)2023-12-040.8.2.2dridus, asariley, dfithian
composite-hashable130.01Orphan hashable instances. (bsd3, library, records)2023-12-040.8.2.2dridus, asariley, dfithian
composite-ix30.00Indexing utilities for composite records. (bsd3, library, web)2022-03-230.0.1.0locallycompact
composite-lens-extra40.00Extra lens functions for composite. (composite, data, lens, library, mit)2022-09-040.1.0.0locallycompact
composite-opaleye340.01Opaleye SQL for Vinyl records (bsd3, library, records)2023-12-040.8.2.2dridus, asariley, dfithian
composite-swagger210.01Swagger for Vinyl records (bsd3, library, records)2023-12-040.8.2.2dridus, asariley, dfithian
composite-tuple40.01Tuple functions for composite records. (composite, data-structures, library, mit)2020-09-180.1.2.0locallycompact
composite-xml10.00RecXML Type (composite, data, library, mit, xml)2022-07-160.1.0.0locallycompact
composite-xstep60.01ReaderT transformer pattern for higher kinded composite data. (data-structures, library, mit)2020-09-050.1.0.0locallycompact
composition280.034Combinators for unorthodox function composition (bsd3, data, library)2021-04-041.0.2.2DanBurton
composition-extra212.012Combinators for unorthodox structure composition (bsd3, data, library)2023-11-222.1.0athanclark
composition-prelude942.033Higher-order function combinators (bsd3, control, data, library)2024-09-263.0.1.0vmchale
composition-tree10.01Composition trees for arbitrary monoids. (bsd3, data, library)2018-05-070.2.0.4LiamOConnorDavis
compositional-data (deprecated)21.250Compositional Data Types (bsd3, data, deprecated, library)2018-12-270.1.0.1
compound-types62.01Sum and Product types and such (data, library, mit, type-system, types)2020-04-270.1.4.1NikitaVolkov
comprehensions-ghc30.00Plugin to generalize comprehensions (bsd3, library, unclassified)2019-04-090.1.0.1
compressed32.01Compressed containers and reducers (bsd3, compression, data, library, mapreduce)2018-01-083.11EdwardKmett
compression20.01Common compression algorithms. (codec, library)2007-01-170.1IanLynagh
compstrat20.01Strategy combinators for compositional data types (bsd3, generics, language, library)2015-03-240.1.0.2JamesKoppel
comptrans20.01Automatically converting ASTs into compositional data types (bsd3, data, generics, library)2015-04-010.1.0.5JamesKoppel
computational-algebra202.251Well-kinded computational algebra library, currently supporting Groebner basis. (bsd3, library, math)2017-12-070.5.1.0HiromiIshii
computational-geometry60.01Collection of algorithms in Computational Geometry. (bsd3, graphics, library, math)2017-10-130.1.0.3MaksymilianOwsianny
computations20.01Advanced notions of computation (bsd3, control, library)2015-05-030.0.0.0WolfgangJeltsch
conala-dataset30.00bindings to the CoNaLa dataset (ai, bsd3, data, library, machine-learning, nlp)2022-05-150.1.0.0ocramz
concatenative80.04A library for postfix control flow. (bsd3, control, library)2010-07-021.0.1SamAnklesaria
conceit100.06Concurrent actions that may fail with a value. (bsd3, concurrency, library)2021-07-280.5.0.0DanielDiazCarrete
concise230.02Utilities for Control.Lens.Cons (bsd3, data, lenses, library)2018-02-040.1.0.1frasertweedale
concorde40.01Simple interface to the Concorde solver for the Traveling Salesperson Problem (algorithms, bsd3, library)2011-10-210.1KeeganMcAllister
concraft60.03Morphological disambiguation based on constrained CRFs (bsd3, library, natural-language-processing)2018-10-300.14.2JakubWaszczuk
concraft-hr10.01Part-of-speech tagger for Croatian (bsd3, library, natural-language-processing, program)2014-12-190.1.0.2vjeranc
concraft-pl40.01Morphological tagger for Polish (bsd3, library, natural-language-processing, program)2018-10-302.4.0JakubWaszczuk
concrete-haskell160.00Library for the Concrete data format. (data, library, program)2017-12-100.1.0.16TomLippincott
concrete-haskell-autogen30.01Automatically generated Thrift definitions for the Concrete data format. (data, library)2017-09-030.0.0.3TomLippincott
concrete-typerep20.03Binary and Hashable instances for TypeRep (bsd3, data, library)2013-01-080.1.0.2ReinerPope
concur-core30.01A client side web UI framework for Haskell. Core framework. (bsd3, library, web)2018-08-020.1.0.0AnupamJain
concurrency190.014Typeclasses, functions, and data types for concurrency and STM. (concurrency, library, mit)2023-06-171.11.0.3barrucadu
concurrent-barrier40.01Simple thread barriers (bsd3, concurrency, library)2011-03-140.1.2JeremyFitzhardinge
concurrent-batch30.01Concurrent batching queue based on STM with timeout. (bsd3, data, library)2018-07-280.1.0.0HarpoRoeder
concurrent-buffer10.01Concurrent expanding buffer (data, library, mit)2017-10-260.1NikitaVolkov
concurrent-dns-cache100.01Concurrent DNS cache (bsd3, library, network, program)2019-08-150.1.3KazuYamamoto
concurrent-extra480.027Extra concurrency primitives (bsd3, concurrency, library)2018-03-140.7.0.12BasVanDijk, RoelVanDijk
concurrent-hashtable62.00Thread-safe hash tables for multi-cores! (bsd3, concurrency, library)2019-10-280.1.8PeterRobinson
concurrent-machines240.03Concurrent networked stream transducers (bsd3, concurrency, control, library)2022-03-110.3.1.5AnthonyCowley
concurrent-output1702.57Ungarble output from several threads or commands (bsd2, concurrency, library, user-interfaces)2024-04-291.10.21JoeyHess
concurrent-resource-map40.01Concurrent resource map (bsd3, data, library)2020-03-180.2.0.0MateuszKowalczyk
concurrent-rpc50.01An abstraction for inter-thread RPC based on MVars (concurrency, library, mit)2016-03-250.1.0.0LarsPetersen
concurrent-sa60.01Concurrent simulated annealing system. (algorithms, bsd3, concurrency, library)2010-04-071.0.1LouisWasserman
concurrent-split100.02MVars and Channels with distinguished input and output side (bsd3, concurrent, library)2018-10-220.0.1.1HenningThielemann
concurrent-st40.01Concurrent Haskell in ST (bsd3, library, software)2017-10-090.1andrewthad
concurrent-state210.01MTL-like library using TVars (control, library, mit)2014-01-270.6.0.0JoelTaylor
concurrent-supply122.05A fast concurrent unique identifier supply with a pure API (bsd3, concurrency, library, parallelism)2016-01-170.1.8EdwardKmett
concurrent-utilities70.01More utilities and broad-used datastructures for concurrency. (bsd3, concurrency, library)2018-05-030.2.0.2sebaslafleur, LeonSchoorl
concurrentoutput (deprecated in favor of concurrent-output)70.02Ungarble output from several threads (bsd3, deprecated, library, user-interfaces)2011-06-080.2.0.2JoachimBreitner
cond162.017Basic conditional and boolean operators with monadic variants. (bsd3, control, library, logic, monad)2023-11-190.5.1AdamCurtis, jcranch
conditional-restriction-parser40.00Parser and interpreter of OpenStreetMap conditional restriction values (agpl, library, parser, program)2022-09-080.1.0.5lbuchli
condor (deprecated)20.01Information retrieval library (bsd3, deprecated, library, program, search, text)2014-01-200.3klangner
condorcet10.01Library for Condorcet voting (bsd3, data, library)2008-02-260.0.1GwernBranwen
conductive-base10.04a library for live coding and real-time musical applications (gpl, library, music, sound)2012-12-270.3RenickBell
conductive-clock50.01a library for displaying musical time in a terminal-based clock (gpl, library, music, sound)2012-12-270.2RenickBell
conductive-hsc330.01a library with examples of using Conductive with hsc3 (gpl, library, music, sound)2012-12-280.3.1RenickBell
conductive-song20.02a library of functions which are useful for composing music (gpl, library, music, sound)2012-12-270.2RenickBell
conduino100.01Lightweight composable continuation-based stream processors (bsd3, control, library)2023-12-160.2.4.0jle
conduit4822.25600Streaming data processing library. (conduit, data, library, mit)2025-02-231.3.6.1MichaelSnoyman
conduit-aeson100.01Short description (algorithms, bsd3, library)2024-06-240.1.1.0lehins
conduit-algorithms362.02Conduit-based algorithms (conduit, library, mit)2024-02-160.0.14.0luispedro
conduit-audio60.06Combinators to efficiently slice and dice audio streams (bsd3, library, sound)2017-09-020.2.0.3mtolly
conduit-audio-lame70.01conduit-audio interface to the LAME MP3 library (bsd3, library, sound)2017-09-020.1.2.1mtolly
conduit-audio-samplerate90.01conduit-audio interface to the libsamplerate resampling library (bsd3, library, sound)2017-09-020.1.0.3mtolly
conduit-audio-sndfile100.01conduit-audio interface to the libsndfile audio file library (bsd3, library, sound)2020-01-160.1.2.2mtolly
conduit-combinators1060.061DEPRECATED Functionality merged into the conduit package itself (conduit, data, library, mit)2018-02-011.3.0MichaelSloan, MichaelSnoyman
conduit-concurrent-map92.04Concurrent, order-preserving mapping Conduit (conduit, data, library, mit)2022-05-270.1.3NiklasHambuechen
conduit-connection110.01Conduit source and sink for Network.Connection. (bsd3, conduit, library, network)2019-06-100.1.0.5slomo
conduit-extra2080.0212Batteries included conduit: adapters for common libraries. (conduit, data, library, mit)2025-01-201.3.7MichaelSnoyman
conduit-find40.00A file-finding conduit that allows user control over traversals. (library, mit, program, system)2016-07-240.1.0.3ErikDeCastroLopo
conduit-iconv20.01Conduit for character encoding conversion. (bsd3, conduit, library, text)2018-02-070.1.1.3slomo
conduit-merge30.01Merge multiple sorted conduits (bsd3, conduit, library)2019-05-270.1.3.0cblp
conduit-network-stream30.01A base layer for network protocols using Conduits (bsd3, library, network)2013-02-260.2NilsSchweinsberg
conduit-parse480.08Parsing framework based on conduit. (conduit, library, public-domain, text)2022-05-100.2.1.1koral
conduit-resumablesink30.01Allows conduit to resume sinks to feed multiple sources into it. (bsd3, conduit, data, library)2017-11-010.2AndrewMiller
conduit-throttle70.01Throttle Conduit Producers (bsd3, data, library)2017-12-210.3.1.0mtesseract
conduit-tokenize-attoparsec (deprecated)30.00Conduits for tokenizing streams. (bsd3, conduit, data, deprecated, library, program)2016-01-310.1.0.0newhoggy, haskellworks
conduit-vfs20.01Virtual file system for Conduit; disk, pure, and in-memory impls. (bsd3, conduit, filesystem, io, library)2019-06-120.1.0.3RobertFischer
conduit-vfs-zip10.00Zip archive interface for the Conduit Virtual File System. (bsd3, compression, conduit, filesystem, io, library, zip)2019-06-120.1.0.1RobertFischer
conduit-zstd100.04Conduit-based ZStd Compression (conduit, library, mit)2020-05-210.0.2.0luispedro
conf22.01Parser for Haskell-based configuration files. (bsd3, configuration, library, parsing)2015-07-170.1.1.0carymrobbins
conf-json50.01read, parse json config (configuration, json, library, public-domain)2018-07-201.2procione
confcrypt10.00 (library, mit, program, unclassified)2019-05-260.2.3.3ChrisCoffey
conferer82.013Configuration management library (configuration, library, mpl)2021-03-011.1.0.0ludat
conferer-aeson50.02conferer's source for reading json files (configuration, library, mpl)2021-12-031.1.0.2ludat
conferer-dhall50.00Configuration for reading dhall files (configuration, library, mpl)2021-03-011.1.0.0ludat
conferer-hedis40.00conferer's FromConfig instances for hedis settings (configuration, library, mpl)2021-03-081.1.0.0ludat
conferer-hspec30.00conferer's FromConfig instances for hspec Config (configuration, library, mpl)2021-03-081.1.0.0ludat
conferer-provider-dhall (deprecated in favor of conferer-source-dhall)40.00Configuration for reading dhall files (bsd3, configuration, deprecated, library)2020-03-110.3.0.0ludat
conferer-provider-json (deprecated in favor of conferer-source-json)80.02conferer's provider for reading json files (bsd3, configuration, deprecated, library)2020-03-110.3.0.0ludat
conferer-provider-yaml (deprecated in favor of conferer-source-yaml)40.00Configuration for reading yaml files (bsd3, configuration, deprecated, library)2020-03-110.3.0.0ludat
conferer-snap20.00conferer's FromConfig instances for snap Config (configuration, library, mpl)2020-12-301.0.0.0ludat
conferer-source-dhall (deprecated in favor of conferer-dhall)40.00Configuration for reading dhall files (configuration, deprecated, library, mpl)2020-06-200.4.0.1ludat
conferer-source-json (deprecated in favor of conferer-aeson)20.02conferer's source for reading json files (configuration, deprecated, library, mpl)2020-06-200.4.0.1ludat
conferer-source-yaml (deprecated in favor of conferer-yaml)10.00Configuration for reading yaml files (configuration, deprecated, library, mpl)2020-06-200.4.0.1ludat
conferer-warp40.00conferer's FromConfig instances for warp settings (configuration, library, mpl)2022-12-231.1.0.1ludat
conferer-yaml40.00Configuration for reading yaml files (configuration, library, mpl)2021-03-011.1.0.0ludat
confetti30.00A simple config file swapping tool (command-line-tools, library, mit, program)2018-12-121.0.0aviaviavi
confide30.01derive typeclass instances for decoding types from HOCON conf (bsd3, data, library)2018-03-080.1.0.3amilkov
config-ini360.08A library for simple INI-based configuration files. (bsd3, configuration, library)2023-11-050.2.7.0gdritter
config-manager40.01Configuration management (configuration, data, gpl, library)2016-08-130.3.0.1guyonvarch
config-parser10.01Parse config files using parsec and generate parse errors on unhandled keys (library, mit, text)2018-01-211.2.0.0BenHamlin
config-schema122.03Schema definitions for the config-value package (language, library)2022-08-101.3.0.0EricMertens
config-value182.56Simple, layout-based value language similar to YAML or JSON (language, library, mit)2022-08-100.8.3EricMertens
config-value-getopt30.01Interface between config-value and System.GetOpt (configuration, library, mit)2019-10-180.1.1.1EricMertens, galoisinc
configifier30.01parser for config files, shell variables, command line args. (agpl, configuration, data, library)2016-07-050.1.1MatthiasFischmann
configuration10.01Simple data type for application configuration. (bsd3, data, library)2012-12-070.1.1HiromiIshii
configuration-tools392.05Tools for specifying and parsing configurations (configuration, console, library, mit, program)2025-03-050.7.1larsk, fosskers, edmundnoble
configurator231.7550Configuration management (bsd3, configuration, data, library)2014-07-020.3.0.0BryanOSullivan
configurator-export90.01Pretty printer and exporter for configurations from the "configurator" library. (bsd3, configuration, data, library)2016-05-080.1.0.1jle
configurator-ng21.251The next generation of configuration management (bsd3, configuration, data, library)2016-10-310.0.0.1LeonSmith
configurator-pg292.01Reduced parser for configurator-ng config files (bsd3, configuration, data, library)2024-03-070.2.10vollmert, steve_chavez, LaurenceIsla, wolfgangwalther
conformance30.01 (library, mit, unclassified)2023-11-080.1.0.0Norfair
conformance-gen20.00 (library, mit, unclassified)2023-11-080.0.0.0Norfair
conftrack20.00Tracable multi-source config management (bsd3, configuration, library)2024-07-250.0.1stuebinm
congruence-relation20.01Decidable congruence relations for Haskell: up to you whether this is a joke (data, library, mit)2014-12-050.1.0.0JonSterling
conic-graphs30.00Vinyl-style extensible graphs. (bsd3, graphs, library, vinyl)2021-09-080.0.1.0locallycompact
conjugateGradient110.01Sparse matrix linear-equation solver (bsd3, library, math)2013-04-202.2LeventErkok
conjure32.01A BitTorrent client (bsd3, library, network, program)2008-03-090.1GwernBranwen
conkin20.01Tools for functors from Hask^k to Hask (control, library, public-domain)2017-10-261.0.2NoahEasterly
conlogger10.01A logger for a concurrent program. (concurrency, library, mit, program)2015-01-220.1.0.1tattsun
connection610.073Simple and easy network connections API (bsd3, library, network)2019-09-020.3.1VincentHanquez
connection-pool70.01Connection pool built on top of resource-pool and streaming-commons. (bsd3, data, library, network)2018-03-030.2.2PeterTrsko
connection-string40.01A library for parsing connection strings. (bsd3, library, text)2018-05-230.2.0.0GeorgePollard
connections50.02Orders, Galois connections, and lattices. (bsd3, library, math, numerical, program)2021-09-160.3.2cmk
consistent20.01Eventually consistent STM transactions. (library, mit, system)2017-01-230.1.0JohnWiegley
console-program42.01Interpret the command line and a config file as commands and options (bsd3, console, library, system)2019-03-230.4.2.3AriePeterson
console-prompt (deprecated in favor of HCL)50.01console user prompts (deprecated, lgpl, library, system)2017-06-070.1jlamothe
console-style (deprecated in favor of colorful-monoids)60.02Styled console text output using ANSI escape sequences. (deprecated, library, mit, monad, text, user-interfaces)2016-12-030.0.2.1minad
const30.00Read-only mutable primitives (ffi, library)2021-03-240EdwardKmett
const-math-ghc-plugin10.01Compiler plugin for constant math elimination (bsd3, compiler-plugin, library)2012-10-191.0.0.0ConradParker
constable10.00A safe interface for Const summarization (bsd3, development, library)2023-01-060.1.0.0aaronallen8455
constaparser40.01Parse ByteStrings of a prescribed length. (bsd3, data, library)2018-06-220.1.0.1chessai
constr-eq10.00Equality by only Constructor (bsd3, generics, library)2019-09-050.1.0.0kelemzol
constrained50.01Generalization of standard Functor, Foldable, and Traversable classes (bsd2, data, library)2019-10-270.1SergeyVinokurov
constrained-categories130.07Constrained clones of the category-theory type classes, using ConstraintKinds. (control, gpl, library)2023-05-180.4.2.0leftaroundabout
constrained-category10.00Constrained Categories (bsd3, library, unclassified)2018-12-300.1.0.0
constrained-dynamic50.01Dynamic typing with retained constraints (data, library, mit)2016-08-030.1.0.0jh3141
constrained-monads90.01Typeclasses and instances for monads with constraints. (control, library, mit)2017-03-310.5.0.0oisdk
constrained-normal70.01Normalised Deep Embeddings for Constrained Type-Class Instances (bsd3, control, library)2014-06-091.0.2NeilSculthorpe
constrained-platform-instances50.00Instances of standard platform types for 'constrained' package. (bsd2, data, library)2019-10-270.1SergeyVinokurov
constrained-some40.02Existential type that can be constrained (data, dependent-types, library, mit)2024-11-290.1.2bruderj15
constraint (deprecated)50.03Reified constraints (bsd3, constraint, deprecated, library)2019-11-180.1.4.0
constraint-classes80.01Various typeclasses using ConstraintKinds (bsd3, library, unclassified)2016-12-270.5.1guaraqe
constraint-manip20.02Some conviencience type functions for manipulating constraints. (control, library, mit)2017-10-160.1.1.0clinton
constraint-reflection (deprecated)50.01Constraint reflection (bsd3, deprecated, library, unclassified)2018-05-080.1.0.0
constraint-tuples70.00Partially applicable constraint tuples (bsd3, data, library)2024-05-030.2ryanglscott
constraints1942.0158Constraint manipulation (bsd2, constraints, library)2024-05-120.14.2CaleGibbard, EdwardKmett, ryanglscott
constraints-deriving60.02Manipulating constraints and deriving class instances programmatically. (bsd3, constraints, library)2021-03-241.1.1.2achirkin
constraints-emerge40.01Defer instance lookups until runtime (constraints, library, mit)2018-04-190.1.2isovector
constraints-extras1552.017Utility package for constraints (bsd3, constraints, library)2025-01-180.4.0.2CaleGibbard, JohnEricson, RyanTrinkle, abrar, 3noch, alexfmpe, maralorn, ymeister
constrictor110.02strict versions of many things in base (control, library, mit)2018-05-310.1.2.0chessai
construct50.00Haskell version of the Construct library for easy specification of file formats (bsd3, data, library, parsing, serialization)2024-12-150.3.2MarioBlazevic
constructible30.01Exact computation with constructible real numbers (bsd3, library, math)2021-11-090.1.2AndersKaseorg
constructive-algebra110.01A library of constructive algebra. (algebra, bsd3, library, math)2011-03-310.3.0AndersMortberg
consul-haskell40.02A consul client for Haskell (bsd3, library, network)2020-01-180.5.0NiklasHambuechen, sseveran, ketzacoatl
consumers260.01Concurrent PostgreSQL data consumers (bsd3, concurrency, database, library)2025-03-032.3.3.0arybczak, trin_cz, jonathanjouty, jsynacek
consumers-metrics-prometheus190.00Prometheus metrics for the consumers library (bsd3, concurrency, database, library)2025-03-031.0.0.0arybczak
container60.03Containers abstraction and utilities. (apache, data, library)2018-12-181.1.6danilo2, iamrecursion
container-builder40.01Functions for building containers from a known number of elements (bsd3, library, web)2016-05-190.1andrewthad
container-classes (deprecated)40.01Generic classes for interacting with different container types (bsd3, data-structures, deprecated, library)2010-07-180.0.0.0IvanMiljenovic
containers2252.755546Assorted concrete container types (bsd3, data-structures, library)2025-03-010.8dfeuer, MattRenaud, meooow
containers-accelerate20.00Hashing-based container types (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
containers-deepseq (deprecated in favor of containers)50.01Provide orphan NFData instances for containers as needed. (deprecated) (bsd3, data, deprecated, library)2012-01-190.1.0.1MichaelSnoyman
containers-good-graph40.01Data.Graph, but it doesn't suck! (bsd3, data-structures, library)2021-06-030.6.4.1isovector
containers-unicode-symbols140.06Unicode alternatives for common functions and operators (bsd3, library, unclassified)2021-06-070.3.1.3RoelVanDijk
containers-verified30.01Formally verified drop-in replacement of containers (data, library, mit)2018-06-180.6.0.1JoachimBreitner
content-store80.01Store and retrieve data from an on-disk store (lgpl, library, system)2018-03-200.2.1clumens, dshea
context170.04Thread-indexed, nested contexts (data, library, mit)2024-03-160.2.1.0jship
context-free-art40.00Generate art from context-free grammars (bsd3, graphics, library, program)2019-10-290.3.0.1414owen
context-free-grammar40.01Basic algorithms on context-free grammars (bsd3, language, library)2021-05-290.1.1nedervold
context-http-client100.00Modify HTTP requests/responses using context (library, mit, web)2023-09-210.2.0.2jship
context-resource80.00Thread-safe, pool-compatible resource provider (data, library, mit)2023-09-210.2.0.2jship
context-stack20.01An abstraction of a stack and stack-based monadic context. (data, library, mit)2014-08-290.1.0.1thinkpad20
context-wai-middleware100.00Add request-specific (or not!) context to your WAI applications (library, mit, web)2023-09-210.2.0.2jship
contiguous530.019Unified interface for primitive arrays (array, bsd3, data, library, primitive)2024-02-060.6.4.2andrewthad, chessai, l3c_amartin
contiguous-checked50.03contiguous with bounds checks (bsd3, data, library)2019-01-020.3.2.0andrewthad
contiguous-fft30.01dft of contiguous memory structures (bsd3, data, library)2019-02-160.2.2.0chessai
continue10.01Monads with suspension and arbitrary-spot reentry (bsd3, control, library)2013-04-210.2.0ErtugrulSoeylemez, esz
continued-fraction152.01Types and functions for working with continued fractions in Haskell (bsd3, library, math)2018-08-180.1.0.11vmchale
continued-fractions130.02Continued fractions. (library, math, numerical, public-domain)2019-01-290.10.0.2JamesCook, rockbmb
continuum30.01 (library, mit, unclassified)2014-11-150.1.0.7ifesdjeen
continuum-client20.01 (library, mit, unclassified)2014-11-220.1.0.0ifesdjeen
contra-tracer90.02Arrow and contravariant tracers (apache, library, logging)2021-06-160.2.0.0alexvieth
contra-tracers30.00A logging library built on top of contra-tracer to make configuring and declaring multiple tracers easy (via generics). (contravariant, generics, library, logging, mpl)2022-02-241.0.0KtorZ
contracheck-applicative81.750Validation types/typeclass based on the contravariance. (bsd3, library, validation)2020-10-070.2.0Birkmann
contravariant1162.5185Contravariant functors (bsd3, control, data, library)2021-07-271.5.5EdwardKmett, EricMertens, ryanglscott
contravariant-extras330.09Extras for the "contravariant" package (control, library, mit)2023-10-140.3.5.4NikitaVolkov
control (deprecated)40.03Class of monad transformers which control operations can be lifted thru (bsd3, control, deprecated, library)2018-08-190.1.1.0
control-block20.00Higher-order functions with their function arguments at the end, for channeling the full power of BlockArguments and LambdaCase . (bsd2, control, library)2024-03-220.0.1melaniebrown
control-bool90.05Useful combinators for boolean expressions (bsd3, control, library)2013-12-080.2.1FumiakiKinoshita
control-dotdotdot50.01Haskell operator `g ... f = \x1 .. xn -> g (f x1 .. xn)`. (bsd3, control, library)2018-01-210.1.0.1erisco
control-dsl91.751An alternative to monads in do-notation (bsd3, control, dsl, effect, general, io, language, library, mutable-state, polymorphism)2018-10-180.2.1.3yangbo
control-event60.02Event scheduling system. (bsd3, control, library)2019-05-171.3ThomasDuBuisson
control-invariants30.02Invariants and contract monitoring (control, library, mit)2016-10-280.1.0.0SimonHudon, bandali
control-iso20.01A typeclass for type isomorphisms (bsd3, control, library)2019-02-040.1.0.2fresheyeball
control-monad-attempt (deprecated)80.03Monad transformer for attempt. (deprecated) (bsd3, data, deprecated, failure, library)2012-01-190.3.0.1MichaelSnoyman, NicolasPouillard
control-monad-exception620.08Explicitly typed, checked exceptions with stack traces (control, failure, library, monads)2020-07-060.11.4PepeIborra
control-monad-exception-monadsfd30.01Monads-fd instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)2012-05-280.10.3PepeIborra
control-monad-exception-monadstf120.01Monads-tf instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)2012-05-280.10.3PepeIborra
control-monad-exception-mtl90.01MTL instances for the EMT exceptions monad transformer (control, failure, library, monads, public-domain)2012-05-280.10.3PepeIborra
control-monad-failure (deprecated)140.09A class for monads which can fail with an error. (deprecated) (control, deprecated, failure, library, monads, public-domain)2012-01-180.7.0.1MichaelSnoyman, PepeIborra
control-monad-failure-mtl (deprecated)90.01A class for monads which can fail with an error for mtl 1 (deprecated) (control, deprecated, failure, library, monads, public-domain)2011-11-300.7.1MichaelSnoyman, PepeIborra
control-monad-free200.03Free monads and monad transformers (control, library, monads, public-domain)2018-10-060.6.2LukePalmer, PepeIborra
control-monad-loop40.08Simple monad transformer for imperative-style loops (bsd3, control, library)2012-07-080.1JoeyAdams
control-monad-omega242.07A breadth-first list monad. (control, library, public-domain)2024-10-220.3.3LukePalmer, Bodigrim
control-monad-queue90.01Reusable corecursive queues, via continuations. (bsd3, control, library)2015-12-190.2.0.1LeonSmith
control-timeout (deprecated)50.03Timeout handling (bsd3, control, deprecated, library)2008-02-010.1.2AdamLangley
contstuff (deprecated)70.07Fast, easy to use CPS-based monad transformers (bsd3, control, deprecated, library, monads)2011-05-191.2.6ErtugrulSoeylemez, esz
contstuff-monads-tf (deprecated)40.01ContStuff instances for monads-tf transformers (deprecated) (bsd3, control, deprecated, library, monads)2010-11-240.2.1ErtugrulSoeylemez, esz
contstuff-transformers (deprecated)50.01Deprecated interface between contstuff 0.7.0 and the transformers package (bsd3, control, deprecated, library, monads)2010-12-270.1.1ErtugrulSoeylemez, esz
converge90.03Limit operations for converging sequences (library, math, numerical, public-domain)2011-08-150.1.0.1JamesCook
conversion (deprecated in favor of lawful-conversions, isomorphism-class)50.09Universal converter between values of different types (control, conversion, data, deprecated, library, mit)2016-04-121.2.1NikitaVolkov
conversion-bytestring110.01"Conversion" instances for the "bytestring" library (control, conversion, data, library, mit)2022-05-041.0.1.1NikitaVolkov
conversion-case-insensitive50.02"Conversion" instances for the "case-insensitive" library (control, conversion, data, library, mit)2015-04-231.0.0.0NikitaVolkov
conversion-text80.04"Conversion" instances for the "text" library (control, conversion, data, library, mit)2022-05-041.0.1.1NikitaVolkov
conversions20.00Injective explicit total and partial conversions (library, mit, unclassified)2020-11-200.0.4mbj
convert60.04Safe and unsafe data conversion utilities with strong type-level operation. checking. (apache, data, library)2018-12-181.5.1danilo2, iamrecursion
convert-annotation90.00Convert the annotation of a gene to another in a delimited file using a variety of different databases. (bioinformatics, gpl, library, program)2018-02-070.5.1.0GregorySchwartz
convertible462.067Typeclasses and instances for converting between types (bsd3, data, library)2022-05-271.1.1.1ErikHesselink, JohnGoerzen, NicolasWu, rsoeldner, janus
convertible-ascii30.01convertible instances for ascii (data, failure, library, public-domain)2011-12-190.1.0.1MasatakeDaimon
convexHullNd20.00Convex hull (geometry, gpl, library, math)2023-11-220.1.0.0stla
cookbook50.01Tiered general-purpose libraries with domain-specific applications. (bsd3, development, library)2016-03-153.0.1.1NatePisarski
cookie1172.075HTTP cookie parsing and rendering (library, mit, web, yesod)2024-03-040.5.0MichaelSnoyman
cookie-tray10.00For serving cookies (apache, library, web)2025-01-210.0.0.1chris_martin
cookies50.01web cookies (bsd3, library, web)2018-06-130.1.0.0chessai
cooklang-hs22.00Parser for the Cook markup language (library, mit, parsing, program)2023-12-270.1.1isaacvando
coordinate50.03A representation of latitude and longitude (bsd3, development, library)2018-04-060.2TonyMorris
copilot652.256A stream DSL for writing embedded C programs. (bsd3, embedded, language, library)2025-03-084.3IvanPerez, LeePike, agoodloe, frankdedden
copilot-bluespec90.00A compiler for Copilot targeting FPGAs. (bsd3, embedded, language, library)2025-03-104.3IvanPerez, ryanglscott, galoisinc
copilot-c99210.08A compiler for Copilot targeting C99. (bsd3, embedded, language, library)2025-03-084.3IvanPerez, LeePike, agoodloe, frankdedden
copilot-cbmc20.02Copilot interface to a C model-checker. (bsd3, embedded, language, library)2017-07-122.2.1IvanPerez, LeePike, agoodloe, frankdedden
copilot-core530.011An intermediate representation for Copilot. (bsd3, embedded, language, library)2025-03-084.3IvanPerez, agoodloe, frankdedden
copilot-frp-sketch20.00FRP sketch programming with Copilot (bsd3, embedded, language, library)2022-02-141.0.0JoeyHess
copilot-interpreter240.01Interpreter for Copilot. (bsd3, embedded, language, library)2025-03-084.3IvanPerez
copilot-language820.08A Haskell-embedded DSL for monitoring hard real-time distributed systems. (bsd3, embedded, language, library)2025-03-084.3IvanPerez, LeePike, agoodloe, frankdedden
copilot-libraries760.03Libraries for the Copilot language. (bsd3, embedded, language, library)2025-03-084.3IvanPerez, LeePike, agoodloe, frankdedden
copilot-prettyprinter260.04A prettyprinter of Copilot Specifications. (bsd3, embedded, language, library)2025-03-084.3IvanPerez
copilot-sbv10.03A compiler for CoPilot targeting SBV. (bsd3, embedded, language, library)2017-07-122.2.1IvanPerez, LeePike, agoodloe, frankdedden
copilot-theorem410.03k-induction for Copilot. (bsd3, embedded, language, library)2025-03-084.3IvanPerez, LeePike, agoodloe, frankdedden
copilot-verifier110.00System for verifying the correctness of generated Copilot programs (bsd3, language, library, program)2025-03-104.3IvanPerez, ryanglscott, galoisinc
copr20.01Haskell interface to the Fedora Copr system (bsd3, fedora, library, web)2014-04-101.1.1RickyElrod
copr-api70.00Copr API client libary (gpl, library, network)2023-11-250.2.0JensPetersen
coquina20.00Yet another shell monad. (bsd3, library, program, shell)2025-01-030.2.0.0abrar
core30.01External core parser and pretty printer. (bsd3, language, library)2009-04-080.5DavidHimmelstrup
core-compiler30.00compile your own mini functional language with Core (compiler, language, library, mit, program)2017-08-060.1.0.2aneksteind
core-data110.05Convenience wrappers around common data structures and encodings (library, mit, system)2023-04-040.3.9.1AndrewCowie
core-effect-effectful30.00Interoperability with the effectful effects system (library, mit, system)2023-02-040.0.0.4AndrewCowie
core-program410.05Opinionated Haskell Interoperability (library, mit, system)2023-10-130.7.0.0AndrewCowie
core-telemetry190.02Advanced telemetry (library, mit, system)2023-06-240.2.9.4AndrewCowie
core-text102.06A rope type based on a finger tree over UTF-8 fragments (library, mit, system)2023-02-270.3.8.1AndrewCowie
core-warn22.250"Provide warnings for unexpected Core generation" (bsd3, library, warning)2021-10-240.1.0.0isovector, jonathanlorimer
core-webserver-servant50.00Interoperability with Servant (library, mit, system)2022-10-180.1.1.3AndrewCowie
core-webserver-warp30.01Interoperability with Wai/Warp (library, mit, system)2023-05-260.2.1.2AndrewCowie
corebot-bliki30.01A bliki written using yesod. Uses pandoc to process files stored in git. (bsd3, library, program, yesod)2012-02-050.2.2.0CoreyOConnor
corecursive-main30.00Write your main like it can call itself back. (bsd3, control, library, program)2018-08-190.1.0.0LucasDiCioccio
corenlp-parser30.01Launches CoreNLP and parses the JSON output (bsd3, library, natural-language-processing)2018-03-270.4.0.0k_bx
corenlp-types20.00Types for interaction with CoreNLP (agpl, language, library)2023-12-040.1.0.0cgenie
cornea42.03classy optical monadic state (lens, library)2022-02-050.4.0.1tek
cornelis20.00 (bsd3, library, program, unclassified)2024-05-170.2.0.1isovector
coroutine-enumerator (deprecated)20.01Bridge between the monad-coroutine and enumerator packages. (concurrency, deprecated, enumerator, library)2011-12-310.1.1MarioBlazevic
coroutine-iteratee (deprecated)30.01Bridge between the monad-coroutine and iteratee packages. (concurrency, data, deprecated, library)2011-12-310.1.1MarioBlazevic
coroutine-object80.02Object-oriented programming realization using coroutine (bsd3, control, library)2016-02-050.3.0IanWooKim
couch-hs20.01A CouchDB view server for Haskell. (database, library, program, public-domain)2012-01-230.1.6PeterSagerson
couch-simple30.01A modern, lightweight, complete client for CouchDB (database, library, mit)2015-09-010.0.1.0mdorman
couchdb-conduit290.01Couch DB client library using http-conduit and aeson (bsd3, conduit, database, library)2012-11-020.10.6AlexanderDorofeev
couchdb-enumerator120.01Couch DB client library using http-enumerator and aeson (bsd3, database, library, web)2012-03-130.3.7JohnLenz
count20.01Bijective mappings between values and possibly infinite prefixes of [0..] (bsd3, data, library)2014-06-100.0.1Maxdamantus
countable100.02Countable, Searchable, Finite, Empty classes (bsd3, data, library)2022-04-291.2AshleyYakeley
countable-inflections80.01Countable Text Inflections (library, mit, text)2020-12-220.3.0tippenein
counter12.01An object frequency counter. (data, library, mit)2017-09-040.1.0.2wei2912
country230.04Country data type and functions (bsd3, library, web)2024-12-110.2.5.0andrewthad, chessai, l3c_amartin
country-codes60.03ISO 3166 country codes and i18n names. (bsd3, data, library)2019-02-120.1.4FelipeLessa, JeanPhilippeMoresmau
courier42.02A message-passing library for simplifying network applications (distributed-computing, library, message-oriented, mit, network, program)2017-05-050.1.1.5PhilHargett
covariance120.01Well-conditioned estimation of large-dimensional covariance matrices (gpl, library, math, statistics)2022-07-100.2.0.1dschrempf
coverage40.01Exhaustivity Checking Library (control, library, mit)2016-02-170.1.0.4NicolasDelPiano
coya30.00Coya monoids (bsd3, data, library, math)2020-07-090.1.0.1chessai
cozo-hs20.00Haskell bindings to the CozoDB C API (database, library, mpl)2023-11-040.1.0.0HenryJohnson
cparsing20.01A simple C++ parser with preprocessor features. C++ refactorings included. (bsd3, language, library)2017-11-160.1.0.0lazac
cpio-conduit20.03Conduit-based CPIO (apache, data, library)2015-08-040.7.0DanAloni
cpkg70.00Build tool for C (bsd3, c, dhall, library, package-management, packaging, program)2023-11-060.2.5.8vmchale
cplex-hs12.01high-level CPLEX interface (bsd3, library, math)2016-11-050.5.0.2stefanjhlk
cplusplus-th22.02C++ Foreign Import Generation (bsd3, foreign, library)2014-10-151.0.0.0MaxwellSwadling
cppfilt40.01Bindings for C++ demangling routines (bsd3, library, system)2018-05-090.1.0.00xd34df00d
cpphs930.036A liberalised re-implementation of cpp, the C pre-processor. (development, library, program)2020-04-021.20.9.1MalcolmWallace, phadej
cprng-aes (deprecated in favor of cryptonite)130.020Crypto Pseudo Random Number Generator using AES in counter mode. (bsd3, cryptography, deprecated, library)2014-11-130.6.1VincentHanquez
cprng-aes-effect10.01Run random effect using cprng-aes, a crypto pseudo number generator. (crypto, effect, library, mit)2014-06-020.1.0.2ibotty
cps-except20.01ExceptT replacement in CPS style (bsd3, library, mtl, transformers)2021-03-290.0.1.2KristofBastiaensen
cpu162.027Cpu information and properties helpers. (bsd3, data, library)2013-11-120.1.2VincentHanquez
cpuinfo62.02Haskell Library for Checking CPU Information (library, mit, system)2025-03-150.1.0.3TravisWhitaker
cpython92.02Bindings for libpython (foreign, gpl, library)2024-07-083.9.0zsedem
cql150.02Cassandra CQL binary protocol. (database, library)2022-04-244.0.4ToralfWittner, romanb
cql-io182.02Cassandra CQL client. (database, library, mpl)2019-07-161.1.1ToralfWittner, romanb
cql-io-tinylog10.00Tinylog integration for cql-io. (database, library)2018-12-250.1.0romanb
cqrs30.02Command-Query Responsibility Segregation (data, library, mit)2015-09-170.9.1BardurArantsson
cqrs-core10.03Command-Query Responsibility Segregation (data, library, mit)2015-09-160.10.0BardurArantsson
cqrs-memory20.00Memory backend for the cqrs package. (data, library, mit)2015-09-160.10.0BardurArantsson
cqrs-postgresql30.01PostgreSQL backend for the cqrs package. (data, library, mit)2015-09-160.10.0BardurArantsson
cqrs-sqlite320.01SQLite3 backend for the cqrs package. (data, library, mit)2013-03-100.9.0BardurArantsson
cqrs-test20.01Command-Query Responsibility Segregation Test Support (data, library, mit)2013-03-100.9.0BardurArantsson
cqrs-testkit10.01Command-Query Responsibility Segregation Test Support (data, library, mit)2015-09-160.10.0BardurArantsson
cqrs-types20.05Command-Query Responsibility Segregation. Modules for the basic types. (data, library, mit)2015-09-170.9.1BardurArantsson
crack30.01A haskell binding to cracklib (library, system)2008-01-280.1TrevorElliott
cradle30.00A simpler process library (bsd3, library, system)2024-05-130.0.0.0jkarni
craft30.01A UNIX configuration management library in Haskell (apache, library, unclassified)2016-09-170.0.0.1joehillen
craftwerk20.042D graphics library with integrated TikZ output. (graphics, library, mit)2011-03-140.1MalteHarder
craftwerk-cairo20.02Cairo backend for Craftwerk. (graphics, library, mit)2011-03-140.1MalteHarder
craftwerk-gtk20.02Gtk UI for Craftwerk. (graphics, library, mit)2011-03-140.1MalteHarder
crawlchain30.01Simulation user crawl paths (bsd3, library, web)2018-05-260.3.1.0axm
craze10.00HTTP Racing Library (library, mit, program, web)2016-08-260.1.3.0etcinit
crc50.03Implements various Cyclic Redundancy Checks (CRC) (library, mit, web)2020-10-050.1.1.1MichaelXavier
crc1640.01Calculate the crc16-ccitt. (bsd3, cryptography, library)2011-01-160.1.1JorisPutcuyps
crc16-table40.02Compute CRC16 checksums using a lookup table. (bsd3, library, text)2010-09-210.1KeeganMcAllister
crc32c160.01crc32c (bsd3, ffi, library, raw)2024-06-050.2.2leptonyu
crdt52.251Conflict-free replicated data types (bsd3, distributed-systems, library)2021-01-3010.7cblp
crdt-event-fold62.01Garbage collected event folding CRDT. (crdt, library, mit)2024-08-131.8.1.1rickowens
creatur70.01Framework for artificial life experiments. (ai, bsd3, library)2021-08-185.9.30AmyDeBuitleir
credential-store30.00Library to access secure credential storage providers (apache, desktop, library, program)2018-01-010.1.2blaze
credentials30.00Secure Credentials Storage and Distribution (aws, library, network, security)2017-04-280.0.2BrendanHay
crem32.00Compositional representable executable machines (control, library, machines, mit, program, state-machines)2023-03-170.1.0.0marcosh
crf-chain110.02First-order, linear-chain conditional random fields (bsd3, library, math)2019-11-300.2.3JakubWaszczuk
crf-chain1-constrained270.03First-order, constrained, linear-chain conditional random fields (bsd3, library, math)2018-10-300.6.0JakubWaszczuk
crf-chain2-generic30.02Second-order, generic, constrained, linear conditional random fields (bsd3, library, math)2013-01-090.3.0JakubWaszczuk
crf-chain2-tiers20.03Second-order, tiered, constrained, linear conditional random fields (bsd3, library, natural-language-processing)2018-10-300.6.0JakubWaszczuk
critbit30.02Crit-bit maps and sets (bsd3, data, library)2014-07-040.2.0.0BryanOSullivan
criterion2262.7528Robust, reliable performance measurement and analysis (benchmarking, bsd3, development, library, performance, program, testing)2024-10-271.6.4.0BryanOSullivan, RyanNewton, ryanglscott
criterion-measurement810.06Criterion measurement functionality and associated types (benchmarking, bsd3, development, library, performance, testing)2024-10-270.2.3.0ryanglscott
criterion-plus30.01Enhancement of the "criterion" benchmarking library (benchmarking, library, mit)2014-12-260.1.3NikitaVolkov
criu-rpc20.01CRIU RPC client. (criu, library, mit)2017-02-070.0.2wayofthepie
criu-rpc-types20.01Criu RPC protocol buffer types. (criu, library, mit)2017-01-270.0.0.2wayofthepie
crjdt-haskell40.01A Conflict-Free Replicated JSON Datatype for Haskell (bsd3, data, library)2017-05-280.3.0amarpotghan
crockford20.02An implementation of Douglas Crockford's base32 encoding. (bsd3, codec, library)2009-12-200.2HenryBucklow
cron252.06Cron datatypes and Attoparsec parser (library, mit, parsing, system, text)2024-11-090.7.2MichaelXavier
cron-compat (deprecated in favor of cron)20.01Cron datatypes and Attoparsec parser (deprecated, library, mit, parsing, system, text)2015-06-090.2.6andrewthad
cronus (deprecated)20.00Another bloated standard library (deprecated, library, mit, prelude)2020-07-050.1.0.0sgschlesinger
cropty32.01Encryption and decryption (crypto, cryptography, library, mit)2021-09-190.3.1.0sgschlesinger
crucible80.05Crucible is a library for language-agnostic symbolic simulation (bsd3, language, library)2025-03-210.7.2ryanglscott, galoisinc, mccleeary, sauclovian_g
crucible-debug50.00An interactive debugger for Crucible programs (bsd3, language, library, program)2025-03-210.1.0ryanglscott, galoisinc, mccleeary, sauclovian_g
crucible-llvm70.02Support for translating and executing LLVM code in Crucible (bsd3, language, library)2025-03-210.7.1ryanglscott, galoisinc, mccleeary, sauclovian_g
crucible-symio20.02An implementation of symbolic I/O primitives for Crucible (bsd3, language, library)2024-08-300.1.1ryanglscott, galoisinc, mccleeary, sauclovian_g
crucible-syntax50.00A syntax for reading and writing Crucible control-flow graphs (bsd3, language, library)2025-03-210.4.1ryanglscott, galoisinc, mccleeary, sauclovian_g
cruncher-types (deprecated)70.01Request and Response types for Eval.so's API (bsd3, deprecated, eval.so, library)2014-04-101.1.0RickyElrod
crux80.02Simple top-level library for Crucible Simulation (bsd3, language, library)2025-03-210.7.2ryanglscott, galoisinc, mccleeary, sauclovian_g
crux-llvm130.01A verification tool for C programs. (bsd3, language, library, program)2025-03-250.10ryanglscott, galoisinc, mccleeary, sauclovian_g
crypt-sha51250.01Pure Haskell implelementation for GNU SHA512 crypt algorithm (bsd3, data, library)2017-07-020phadej
crypto-api742.2580A generic interface for cryptographic operations (bsd3, cryptography, data, library)2018-01-050.13.3ThomasDuBuisson, haskell_github_trust
crypto-api-tests300.01A test framework and KATs for cryptographic operations. (bsd3, cryptography, data, library)2014-01-080.3ThomasDuBuisson
crypto-cipher-benchmarks70.01Generic cryptography cipher benchmarks (bsd3, cryptography, library)2013-10-080.0.5VincentHanquez
crypto-cipher-tests200.01Generic cryptography cipher tests (bsd3, cryptography, library)2013-10-240.0.11VincentHanquez
crypto-cipher-types270.016Generic cryptography cipher types (bsd3, cryptography, library)2013-10-250.0.9VincentHanquez
crypto-classical80.01An educational tool for studying classical cryptography schemes. (bsd3, cryptography, library)2020-04-200.3.0fosskers
crypto-conduit40.06Conduit interface for cryptographic operations (from crypto-api). (bsd3, conduit, cryptography, library)2014-11-120.5.5FelipeLessa, MichaelSnoyman
crypto-enigma82.01An Enigma machine simulator with display. (bsd3, cryptography, education, library, program)2019-10-090.1.1.6Orome
crypto-keys-ssh10.00Like crypto-pubkey-openssh but not dependent on any specific crypto library (cryptography, library, mit)2019-12-020.1.0.0puffnfresh
crypto-multihash90.00Multihash library on top of cryptonite crypto library (bsd3, cryptography, library, program)2016-08-270.4.2.0mseri
crypto-numbers140.08Cryptographic numbers: functions and algorithms (bsd3, cryptography, library)2014-12-310.2.7VincentHanquez
crypto-pubkey (deprecated in favor of cryptonite)280.011Public Key cryptography (bsd3, cryptography, deprecated, library)2015-01-160.2.8VincentHanquez
crypto-pubkey-openssh70.03OpenSSH keys decoder/encoder (cryptography, library, mit, parsing)2015-01-210.2.7FedorGogolev
crypto-pubkey-types550.029Generic cryptography Public keys algorithm types (bsd3, cryptography, library)2015-01-100.4.3VincentHanquez
crypto-random (deprecated in favor of cryptonite)200.032Simple cryptographic random related types (bsd3, cryptography, deprecated, library)2015-03-180.0.9VincentHanquez
crypto-random-api (deprecated in favor of crypto-random)100.012Simple random generators API for cryptography related code (bsd3, cryptography, deprecated, library)2013-01-030.2.0VincentHanquez
crypto-random-effect50.02A random effect using crypto-random (crypto, effect, library, mit)2014-09-120.2.0.4.1ibotty
crypto-rng80.02Cryptographic random number generator. (bsd3, crypto, library)2022-02-240.3.0.1MikhailGlushenkov, arybczak, trin_cz, jonathanjouty
crypto-rng-effectful50.00Adaptation of the crypto-rng library for the effectful ecosystem. (crypto, library, mit)2022-07-161.0.0.0arybczak
crypto-simple70.02A simple high level encryption interface based on cryptonite (cryptography, library, mit)2016-09-150.1.0.0RistoStevcev
crypto-sodium30.01Easy-and-safe-to-use high-level cryptography based on Sodium (cryptography, library, mpl)2021-11-220.0.5.0lierdakil, kirelagin, serokell
crypto-token430.02crypto tokens (bsd3, cryptography, library, network)2024-10-300.1.2KazuYamamoto
crypto-totp50.01Provides generation and verification services for time-based one-time keys. (bsd3, cryptography, library)2013-08-110.1.0.1JeffShaw
cryptocipher370.011Symmetrical block and stream ciphers. (bsd3, cryptography, library)2013-10-250.6.2VincentHanquez
cryptocompare60.01Haskell wrapper for the cryptocompare API (library, mit, web)2020-09-250.1.2aviaviavi
cryptoconditions70.01Interledger Crypto-Conditions (bsd3, crypto, finance, library, network)2020-03-260.2.5ssadler
cryptohash681.25157collection of crypto hashes, fast, pure and practical (bsd3, cryptography, data, library)2016-03-250.11.9VincentHanquez
cryptohash-conduit70.09cryptohash conduit (bsd3, conduit, cryptography, library)2014-03-300.1.1VincentHanquez
cryptohash-cryptoapi110.015Crypto-api interfaces for cryptohash (bsd3, cryptography, library)2016-03-260.1.4VincentHanquez
cryptohash-md5520.019Fast, pure and practical MD5 implementation (bsd3, cryptography, data, library)2021-10-210.11.101.0HerbertValerioRiedel, phadej
cryptohash-sha1520.023Fast, pure and practical SHA-1 implementation (bsd3, cryptography, data, library)2021-11-130.11.101.0HerbertValerioRiedel, phadej
cryptohash-sha256672.2544Fast, pure and practical SHA-256 implementation (bsd3, cryptography, data, library)2021-10-100.11.102.1AustinSeipp, HerbertValerioRiedel, phadej
cryptohash-sha512180.08Fast, pure and practical SHA-512 implementation (bsd3, cryptography, data, library)2023-02-070.11.102.0HerbertValerioRiedel, phadej
cryptoids20.02Reversable and secure encoding of object ids as a bytestring (bsd3, cryptography, library)2018-07-230.5.1.0gkleen
cryptoids-class20.03Typeclass-based interface to cryptoids (bsd3, library, web)2018-01-180.0.0gkleen
cryptoids-types40.04Shared types for encrypting internal object identifiers before exposure (bsd3, library, web)2018-12-171.0.0gkleen
cryptol330.01Cryptol: The Language of Cryptography (bsd3, language, library, program)2025-03-213.3.0IavorDiatchki, ryanglscott, galoisinc, mccleeary, sauclovian_g
crypton1390.077Cryptography Primitives sink (bsd3, cryptography, library)2025-03-111.0.2KazuYamamoto
crypton-box20.00NaCl crypto/secret box implementations based on crypton primitives. (bsd3, cryptography, library)2025-02-051.1.0yutotakano
crypton-conduit190.02crypton conduit (bsd3, conduit, cryptography, library)2023-07-300.2.3psibi, mpilgrem
crypton-connection1290.023Simple and easy network connection API (bsd3, library, network)2024-12-060.4.3KazuYamamoto
crypton-x509830.021X509 reader and writer (bsd3, data, library)2024-05-301.7.7KazuYamamoto
crypton-x509-store810.016X.509 collection accessing and storing methods (bsd3, data, library)2025-02-171.6.10KazuYamamoto
crypton-x509-system610.012Handle per-operating-system X.509 accessors and storage (bsd3, data, library)2023-06-061.6.7KazuYamamoto
crypton-x509-validation1190.012X.509 Certificate and CRL validation (bsd3, data, library)2025-02-171.6.14KazuYamamoto
cryptonite-conduit210.07cryptonite conduit (bsd3, conduit, cryptography, library)2017-11-170.2.2MichaelSnoyman, VincentHanquez
cryptostore530.04Serialization of cryptographic data types (bsd3, codec, cryptography, library)2024-05-050.3.1.0OlivierCheron
cryptsy-api (deprecated)10.01Bindings for Cryptsy cryptocurrency exchange API. (agpl, deprecated, library, web)2015-04-110.2.1
crystalfontz20.01Control Crystalfontz LCD displays. (bsd3, hardware, library, system, user-interfaces)2010-09-210.1KeeganMcAllister
csa30.01Connection-set algebra (CSA) library (algebra, library)2018-06-220.1.0jegp
cse-ghc-plugin10.01Compiler plugin for common subexpression elimination (bsd3, compiler-plugin, library)2012-08-080.1.1AustinSeipp
csg30.00Analytical CSG (Constructive Solid Geometry) library (bsd3, graphics, library, program)2019-01-180.1.0.6DmitryDzhus
csound-catalog290.02a gallery of Csound instruments. (bsd3, library, music)2024-06-160.7.7.0AntonKholomiov
csound-controllers70.00MIDI controllers (bsd3, library, music)2024-02-200.1.1.1AntonKholomiov
csound-expression682.05library to make electronic music (bsd3, library, music, sound)2024-06-165.4.4.1AntonKholomiov
csound-expression-dynamic240.04dynamic core for csound-expression library (bsd3, library, music, sound)2024-06-160.4.0.0AntonKholomiov
csound-expression-opcodes110.02opcodes for the library csound-expression (bsd3, library, music, sound)2024-06-160.0.5.4AntonKholomiov
csound-expression-typed500.03typed core for the library csound-expression (bsd3, library, music, sound)2024-06-160.2.9.0AntonKholomiov
csound-sampler200.02A musical sampler based on Csound (bsd3, library, music)2024-06-160.0.11.0AntonKholomiov
csp62.01Discrete constraint satisfaction problem (CSP) solver. (ai, constraints, control, failure, library, monads)2018-03-141.4.0AndreiBarbu
cspretty20.01AST and pretty printer for CSPm (bsd3, language, library)2016-11-301.0ccasin
css (deprecated)20.01Minimal monadic CSS DSL. (bsd3, deprecated, language, library)2014-12-080.2
css-easings20.00Defining and manipulating css easing strings. (bsd3, library, web, webdevelopment)2022-06-200.2.3.0wvanonsem90
css-selectors50.00Parsing, rendering and manipulating css selectors in Haskell. (bsd3, library, web)2023-01-060.5.0.0wvanonsem90
css-simple12.00eDSL for CSS (gpl, library, web)2022-07-260.1.0.1Qyutou
css-syntax40.08High-performance CSS tokenizer and serializer. (data, library, mit)2024-05-230.1.0.2wereHamster, alcinnz
css-text240.09CSS parser and renderer. (library, mit, web, yesod)2018-02-050.1.3.0GregWeber, MichaelSnoyman
csv152.019CSV loader and dumper (library, mit, text)2010-11-080.1.2JaapWeel
csv-conduit160.05A flexible, fast, conduit-based CSV parser library for Haskell. (bsd3, conduit, csv, data, library, text)2024-10-101.0.1.0MichaelXavier, OzgunAtaman, dmvianna
csv-enumerator70.02A flexible, fast, enumerator-based CSV parser library for Haskell. (bsd3, data, library)2013-01-210.10.2.0OzgunAtaman
csv-sip20.00extracts data from a CSV file (data, gpl, library)2022-04-240.1.0jlamothe
csv-table40.01Scripts for manipulating tables stored as CSV files (data, library, mit)2016-04-210.1.0.1ranjitjhala
ctemplate (deprecated)20.01Binding to the Google ctemplate library (bsd3, deprecated, library, text)2008-02-150.1AdamLangley
ctkl10.01packaging of Manuel Chakravarty's CTK Light for Hackage (bsd3, library, text)2014-10-040.27.0.0MarkWotton
ctpl20.02A programming language for text modification. (gpl, library, program, text)2016-04-050.1.0.4implementation
ctrie60.03Non-blocking concurrent map (concurrency, data-structures, library, mit)2017-09-290.2MichaelSchroeder
cube20.01Cubic DSL for 3D printing (bsd3, language, library)2015-04-150.2.0junjihashimoto
cubicbezier240.07Efficient manipulating of 2D cubic bezier curves. (bsd3, geometry, graphics, library, typography)2023-07-100.6.0.7BrentYorgey, DavidHimmelstrup, KristofBastiaensen
cubicspline62.01Natural cubic spline interpolation. (algorithms, bsd3, library, math)2015-10-180.1.2GershomBazerman
cublas60.04FFI bindings to the CUDA BLAS library (bsd3, foreign, library)2020-08-260.6.0.0TrevorMcDonell, bmsherman, tomsmeding
cuckoo60.00Haskell Implementation of Cuckoo Filters (bsd3, data, library)2021-10-210.3.1larsk
cuckoo-filter50.00Pure and impure Cuckoo Filter (data, library, mit, program)2018-12-120.2.0.2ChrisCoffey
cuda120.016FFI binding to the CUDA interface for programming NVIDIA GPUs (bsd3, foreign, library, program)2023-08-150.11.0.1TrevorMcDonell, tomsmeding
cudd40.02Bindings to the CUDD binary decision diagrams library (bsd3, data, library)2017-01-090.1.0.4adamwalker
cue-sheet90.01Support for construction, rendering, and parsing of CUE sheets (audio, bsd3, library)2022-05-212.0.2mrkkrp
cufft30.03Haskell bindings for the CUFFT library (bsd3, foreign, library)2020-08-260.10.0.0RobEverest, TrevorMcDonell, tomsmeding
curl132.2548Haskell binding to libcurl (bsd3, library, network)2012-11-131.3.8DonaldStewart, EricMertens, IavorDiatchki, SigbjornFinne
curl-aeson50.02Communicate with web services using JSON (bsd3, json, library, network, web)2024-09-010.1.0.2JoelLehtonen
curl-cookiejar30.00Parsing and pretty-printing of cURL/wget cookie jars (library, mit, web)2019-03-260.1.0.0eamsden
curl-runnings110.00A framework for declaratively writing curl based API tests (library, mit, program, testing)2022-03-070.17.0aviaviavi
curlhs51.53bindings to libcurl, the multiprotocol file transfer library (library, network)2015-05-200.1.6KrzysztofKardzis
curly-expander70.00Curly braces (brackets) expanding (lgpl, library, text)2024-05-010.3.0.4stastnypremysl
currencies20.01Currencies representation, pretty printing and conversion (bsd3, data, library)2018-06-220.2.0.0alx741, DanielCampoverde
currency60.02Types representing standard and non-standard currencies (data, library)2013-09-070.2.0.0StephenWeber
currency-codes40.03ISO-4217 Currency Codes (data, library, mit)2018-03-193.0.0.1KtorZ
currency-convert42.01Typesafe currency conversion (bsd3, data, library)2016-08-160.2.1.0pigworts2
current-locale30.01Get the current system locale in System.Locale format (library, mit, system)2015-03-140.2.0.1AlexeyKotlyarov
curry30.01Curry types (bsd3, data, library)2018-01-250.0.0.0
curry-base40.02Functions for manipulating Curry programs (bsd3, language, library)2019-11-221.1.1BerndBrassel, BjoernPeemoeller, HolgerSiegel, CurryLanguage
curry-frontend202.02Compile the functional logic language Curry to several intermediate formats (bsd3, language, library, program)2021-02-112.0.0BerndBrassel, BjoernPeemoeller, HolgerSiegel, CurryLanguage
currycarbon100.00A package for simple, fast radiocarbon calibration (archaeoinformatics, library, mit, program)2025-03-150.4.0.1nevrome
curryer20.01A simple HTTP server framework (bsd3, library, web)2017-09-060.1.0.0ChrisPenner
curryer-rpc122.01Fast, Haskell RPC (library, program, rpc)2024-12-210.3.8agentm
curryrs30.01Easy to use FFI Bridge for using Rust in Haskell (ffi, library)2016-10-260.2.0mgattozzi
cursor110.03Purely Functional Cursors (editor, library, mit)2021-12-030.3.2.0Norfair
cursor-brick80.00 (library, mit, unclassified)2021-11-210.1.0.1Norfair
cursor-fuzzy-time90.01 (library, mit, time)2024-01-180.1.0.0Norfair
cursor-fuzzy-time-gen50.00 (library, mit, time)2024-01-180.2.0.0Norfair
cursor-gen70.02Generators for Purely Functional Cursors (cursor, library, mit)2021-11-210.4.0.0Norfair
curve25519220.02Fast implementations of the curve25519 elliptic curve primitives. (bsd3, library, math)2023-12-120.2.8AdamWick, EricMertens
curves30.01Library for drawing curve based images. (graphics, library, mit)2015-09-261.1.0.2UlfNorell
cusolver20.01FFI bindings to CUDA Solver, a LAPACK-like library (bsd3, foreign, library)2020-08-260.3.0.0TrevorMcDonell, tomsmeding
cusparse20.01FFI bindings to the CUDA Sparse BLAS library (bsd3, foreign, library)2020-08-260.3.0.0TrevorMcDonell, tomsmeding
custom-interpolation30.01Customizable string interpolation quasiquoters (bsd3, interpolation, library, quasiquotes, text)2023-01-120.1.0.1ruby0b
custom-prelude10.03An enhanced prelude, serving as a foundation for my projects (control, library)2012-10-020.2.2.0AnupamJain
cut-the-crap40.00Cuts out uninteresting parts of videos by detecting silences. (library, mit, program, video)2020-11-052.3.1Jappie
cv-combinators90.01Functional Combinators for Computer Vision (ai, gpl, graphics, library, program)2015-08-120.2.0.2NoamLewis
cve40.01simple and efficient cve datatype (bsd3, data, library)2018-03-210.1.0.0chessai
cvss20.03Common Vulnerability Scoring System. (bsd3, data, library)2024-05-300.1frasertweedale
cybus10.00multi-dimensional arrays (bsd3, containers, data, library, program)2022-04-130.3.0.0gbwey
cyclotomic90.02A subfield of the complex numbers for exact calculation. (gpl, library, math)2023-03-171.1.2ScottWalck
cypher20.01Haskell bindings for the neo4j "cypher" query language (bsd3, database, library)2012-07-310.8.1SamAnklesaria
czipwith140.03CZipWith class and deriving via TH (bsd3, data, library)2021-11-111.0.1.4lspitzner, fozworth, dukerutledge
d-bus30.02Permissively licensed D-Bus client library (bsd3, desktop, library, network, program)2017-12-130.1.8PhilippBalzarek, frasertweedale
d1062.02Digits 0-9 (data, library, mit)2023-06-261.0.1.3chris_martin, Monoid_Mary
d3d11binding102.00A raw binding for the directX 11 (graphics, library, mit, program)2016-05-110.0.0.7jwvg0425
d3js10.01Declarative visualization on a web browser with DSL approach. (bsd3, graphics, library)2013-09-220.1.0.0nebuta
daemonize-doublefork30.01Start background daemons by double-forking (gpl, library, web)2012-08-150.1.1AlexandruScvortov
daemons150.03Daemons in Haskell made fun and easy (control, gpl, library, network, program, system)2023-09-290.4.0AlexandruScvortov
dag20.01Compile-time, type-safe directed acyclic graphs. (bsd3, library, unclassified)2015-01-230.1.0.2athanclark
dahdit10.03Binary parsing and serialization with integrated size (bsd3, data, library)2024-12-180.7.0ejconlon
dahdit-midi20.00MIDI and OSC parsing/printing with dahdit (bsd3, library, unclassified)2024-12-180.7.0ejconlon
dahdit-network60.00Network protocol helpers for Dahdit (bsd3, library, unclassified)2024-12-180.7.0ejconlon
dahdit-test60.00Test utils for Dahdit serde (bsd3, library, unclassified)2024-12-180.7.0ejconlon
daino30.00daino is a static site generator (SSG) using shake and pandoc (development-web, library, program)2023-04-060.1.5.2andrewufrank
damnpacket60.01Parsing dAmn messages (library, mit, network)2018-07-041.3.1JudeTaylor
dani-servant-lucid250.00Servant support for lucid2 (bsd3, library, web)2024-04-260.1.0.0DanielDiazCarrete
danibot20.00Basic Slack bot framework. (library, mit, network, program)2016-03-190.2.0.0DanielDiazCarrete
dao20.01Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind. (gpl, library, program, unclassified)2014-11-210.1.0.1RaminHonary
dap32.00A debug adaptor protocol library (bsd3, debuggers, language, library)2023-09-150.1.0.0CsabaHruska, DavidJohnson
darcs932.52a distributed, interactive, smart revision control system (development, gpl, library)2025-01-092.18.5GaneshSittampalam, bfrk
darcs-scripts50.01Shell scripts for support of darcs workflow (bsd3, development, library)2015-04-080.1.1HenningThielemann
darkplaces-demo40.01Utility and parser for DarkPlaces demo files (game, gpl, library, program)2015-02-120.1slava
darkplaces-rcon10.01Darkplaces rcon client library (game, gpl, library)2015-05-230.1slava
darkplaces-rcon-util10.00Darplaces rcon utility (game, gpl, library, program)2015-05-240.1.1slava
darkplaces-text10.02Parser for darkplaces colorful text (game, gpl, library)2015-05-230.2.1slava
data-accessor540.062Utilities for accessing and manipulating fields of records (bsd3, data, library)2023-01-150.2.3.1HenningThielemann, LukePalmer
data-accessor-monadLib30.01Accessor functions for monadLib's monads (data, library, monads)2009-02-110.0.1RussellOConnor
data-accessor-monads-fd70.02Use Accessor to access state in monads-fd State monad class (bsd3, data, library)2011-02-260.2.0.3HenningThielemann
data-accessor-monads-tf80.01Use Accessor to access state in monads-tf State monad type family (bsd3, data, library)2012-04-100.2.1.4HenningThielemann
data-accessor-mtl90.04Use Accessor to access state in mtl State monad class (bsd3, data, library)2023-01-150.2.0.5HenningThielemann
data-accessor-template270.09Utilities for accessing and manipulating fields of records (bsd3, data, library)2018-08-310.2.1.16HenningThielemann, LukePalmer
data-accessor-transformers480.011Use Accessor to access state in transformers State monad (bsd3, data, library)2023-01-150.2.1.8HenningThielemann
data-array-byte520.011Compatibility layer for Data.Array.Byte (bsd3, compatibility, library)2022-10-080.1.0.1Bodigrim, lyxia, andrewthad, sjakobi, chessai
data-as30.00Simple extensible sum (data, library, mit)2020-11-260.0.0.2incertia
data-ascii (deprecated in favor of ascii)30.01Type-safe, bytestring-based ASCII values (bsd3, data, deprecated, library)2021-02-101.0.0.6chris_martin, Monoid_Mary
data-aviary30.02Combinator birds. (bsd3, combinators, library)2013-04-240.4.0StephenTetley
data-base10.01Utilities for accessing and comparing types based on so called bases - representations with limited polymorphism. (apache, library, text)2016-01-301.1danilo2, iamrecursion
data-basic52.01A database library with a focus on ease of use, type safety and useful error messages (database, library, mit)2018-03-080.3.0.0darwin226
data-binary-ieee754 (deprecated in favor of binary, cereal)470.066Parser/Serialiser for IEEE-754 floating-point values (data, deprecated, library, mit)2013-07-070.4.4JohnMillikin
data-bword320.03Extra operations on binary words of fixed length (bsd3, data, library)2022-08-280.1.0.2MikhailVorozhtsov
data-carousel50.02A rotating sequence data structure (data, library, mit)2014-11-120.1.0.0JonSterling
data-category92.51Category theory (bsd3, category-theory, library, math)2023-03-270.11SjoerdVisscher
data-cell30.04Generic cellular data representation library (bsd3, data, library)2015-07-071.0.0.2patrykz
data-check (deprecated)20.01Library for checking and normalization of data (e.g. from web forms) (bsd3, data, deprecated, library, web)2017-05-210.1.1mrkkrp
data-checked190.02Type-indexed runtime-checked properties (bsd3, data, library)2014-02-090.3MikhailVorozhtsov
data-clist560.07Simple functional ring type. (bsd3, data-structures, library)2022-02-250.2JohnVanEnk, jeremyjh
data-combinator-gen10.00Generate a special combinator from any data type. (data, library, mit)2019-05-260.1.0.4bolt12
data-compat70.00Define Backwards Compatibility Schemes for Arbitrary Data (data, library, mit)2024-11-100.1.0.5TravisWhitaker
data-concurrent-queue40.01A Library for directional queues (concurrency, library, mit)2014-05-300.3.0.0georgerogers42
data-construction30.01Data construction abstractions including Constructor, Destructor, Maker, Destroyer, Producer and Consumer. (apache, library, text)2016-01-301.1danilo2, iamrecursion
data-constructors50.02Generically compare data by their constructors (bsd3, data, library)2017-09-160.1.0.0dailectic
data-cycle10.01a cyclic doubly linked list (bsd3, data, library)2012-03-100.1.2TobiasBrandt
data-default1732.5841A class for types with a default value (bsd3, data, library)2025-03-160.8.0.1LukasMai
data-default-class1720.0332A class for types with a default value (compatibility shim) (bsd3, data, library)2024-10-260.2.0.0LukasMai
data-default-extra60.02A class for types with a default value. (bsd3, data, library)2017-01-050.1.0PeterTrsko
data-default-generics60.01A class for types with a default value (bsd3, data, library)2014-02-200.3jcristovao
data-default-instances-base280.011Default instances for types in base (bsd3, data, library)2024-10-170.1.0.3LukasMai
data-default-instances-bytestring50.01Default instances for (lazy and strict) ByteString, Builder and ShortByteString. (bsd3, data, library)2016-02-070.0.1PeterTrsko
data-default-instances-case-insensitive50.01Default instance for CI type from case-insensitive package. (bsd3, data, library)2016-02-070.0.1PeterTrsko
data-default-instances-containers920.05Default instances for types in containers (bsd3, data, library)2024-10-170.1.0.3LukasMai
data-default-instances-dlist890.04Default instances for types in dlist (bsd3, data, library)2024-10-170.0.1.2LukasMai
data-default-instances-new-base100.01Default instances for types in newer versions of base package. (bsd3, data, library)2017-01-050.0.2PeterTrsko
data-default-instances-old-locale980.04Default instances for types in old-locale (bsd3, data, library)2024-10-170.0.1.2LukasMai
data-default-instances-text30.01Default instances for (lazy and strict) Text and Text Builder. (bsd3, data, library)2016-02-070.0.1PeterTrsko
data-default-instances-unordered-containers40.01Default instances for unordered-containers. (bsd3, data, library)2016-02-070.0.1PeterTrsko
data-default-instances-vector30.02Default instances for types defined in vector package (bsd3, data, library)2016-02-070.0.1PeterTrsko
data-dispersal30.01Space-efficient and privacy-preserving data dispersal algorithms. (cryptography, data, lgpl, library)2014-10-051.0.0.2PeterRobinson
data-diverse220.06Extensible records and polymorphic variants. (bsd3, data, library, records)2023-05-294.7.1.0louispan
data-diverse-lens20.03Isos & Lens for Data.Diverse.Many and Prisms for Data.Diverse.Which (bsd3, data, library, records)2018-06-304.3.0.0louispan
data-dword480.015Stick two binary words together to get a bigger one (bsd3, data, library)2021-12-050.3.2.1MikhailVorozhtsov
data-easy20.02Consistent set of utility functions for Maybe, Either, List and Monoids. (bsd3, data, library)2016-07-260.7.0jcristovao
data-effects70.02A basic framework for effect systems based on effects represented by GADTs. (control, effect, library, mpl)2024-11-030.3.0.1YamadaRyo
data-effects-core50.02A basic framework for effect systems based on effects represented by GADTs. (control, effect, library, mpl)2024-10-100.2.0.0YamadaRyo
data-effects-th60.01Template Haskell utilities for the data-effects library. (control, effect, library, template-haskell)2024-10-100.2.0.0YamadaRyo
data-elevator50.01Coerce between unlifted boxed and lifted types. (data, library, mit)2024-09-160.2sgraf812
data-elf20.01Executable and Linkable Format (ELF) data structures. (bsd3, data, library)2016-07-230.2MikhailVorozhtsov
data-embed20.01Embed files and other binary blobs inside executables without Template Haskell. (data, library, mit, program)2016-01-010.1.0.0AntonEkblad
data-emoticons30.01Combinator emoticons: data-aviary in the flavor of emoticons (bsd3, combinators, library)2017-04-230.1.0lbq
data-endian200.06Endian-sensitive data (bsd3, data, library)2016-07-070.1.1MikhailVorozhtsov
data-extend-generic30.01Extend Haskell data or newtype like in OOP languages (bsd3, data, library)2015-12-160.1.0.0YLiLarry
data-extra (deprecated)70.01None (bsd3, deprecated, library, unclassified)2014-12-082.5.5
data-filepath20.01A type safe file path data structure (bsd3, data, library)2015-02-122.2.0.0MaxwellSwadling, domdere
data-files-gen30.00Generate data-files Cabal file field from existing files (bsd3, library, program, tools)2016-08-020.0.0.1JeanPhilippeMoresmau
data-filter30.01Utilities for filtering (bsd2, data, library)2018-05-170.1.0.0boonami
data-fin20.01Finite totally ordered sets (bsd3, data, library)2014-08-160.1.1.3WrenThornton
data-fin-simple10.01Simple integral finite set (bsd3, data, library)2015-06-170.1.0.0seagull
data-findcycle60.00Find cycles in periodic functions (and lists) (data, library, mit)2025-03-120.1.0.0rafl
data-fix1212.2533Fixpoint data types (bsd3, data, library)2024-07-040.3.4AntonKholomiov, gelisam, phadej
data-fix-cse50.03Common subexpression elimination for the fixploint types. (bsd3, data, library)2020-08-020.0.3AntonKholomiov
data-flags60.08A package for working with bit masks and flags in general. (bsd3, data, library)2017-07-290.0.3.4MikhailVorozhtsov
data-flagset10.01An efficient data type for sets of flags (data, library, mit)2015-07-121.0.0.0TobiasBrandt
data-foldapp30.01Fold function applications. Framework for variadic functions. (bsd3, data, library)2018-01-210.1.1.0erisco
data-forced10.00Specify that lifted values were forced to WHNF or NF. (data, library, mit)2023-04-250.3.0.0RubenAstudillo
data-forest50.01A simple multi-way tree data structure (apache, data-structures, library)2025-01-210.1.0.13chris_martin, Monoid_Mary
data-fresh50.01Interface and functor transformers for fresh values (bsd3, control, library)2013-09-080.2013.251.0StijnVanDrongelen
data-function-meld40.01Map the arguments and return value of functions. (bsd3, data, library)2016-05-250.1.1.0erisco
data-function-tacit40.01Write functions in tacit (pointless) style using Applicative and De Bruijn index notation. (bsd3, data, library)2016-06-010.1.0.0erisco
data-functor-logistic50.01Updatable analogue of Distributive functors (bsd3, data-structures, library)2021-11-160.0FumiakiKinoshita
data-has132.08Simple extensible product (bsd3, data, library)2020-12-010.4.0.0winterland
data-hash310.09Combinators for building fast hashing functions. (bsd3, data, library)2015-05-200.2.0.1DanielGorin
data-index20.01Extending the concept of indices for lists and other containers (bsd3, data, library)2018-05-110.1.0.0IlyaPershin
data-interval390.06Interval datatype, interval arithmetic and interval-based containers (bsd3, data, library, math)2023-12-212.1.2MasahiroSakai, Bodigrim
data-inttrie150.03A simple lazy, infinite trie from integers (bsd3, data, library)2018-03-310.1.4LukePalmer, ThomasDuBuisson
data-ivar20.03Write-once variables with concurrency support (bsd3, concurrency, data, library)2008-10-200.30GregoryCrosswhite, LukePalmer
data-json-token (deprecated)30.00Json Token datatype (bsd3, data, deprecated, json, library, program)2016-02-020.1.0.0newhoggy, haskellworks
data-kiln10.01Sculpt mutable recursive data with reference equality; bake it using a data kiln into an immutable lazy structure (bsd3, data, library)2014-12-170.1.0.0kwf
data-layer20.03Data layering utilities. Layer is a data-type which wrapps other one, but keeping additional information. If you want to access content of simple newtype object, use Lens.Wrapper instead. (apache, library, text)2016-01-301.0.4danilo2, iamrecursion
data-layout40.01Read/write arbitrary binary layouts to a "Data.Vector.Storable". (bsd3, data, library)2013-10-060.1.0.0JacobStanley
data-lens310.048Used to be Haskell 98 Lenses (bsd3, comonads, control, library)2018-01-012.11.2EdwardKmett, RussellOConnor
data-lens-fd40.09Lenses (bsd3, comonads, control, library)2016-07-172.0.6EdwardKmett, RussellOConnor
data-lens-ixset (deprecated in favor of data-store, tables, lens)20.01A Lens for IxSet (bsd3, comonads, control, data-structures, deprecated, library)2012-01-150.1.4DagOdenhall
data-lens-light240.011Simple lenses, minimum dependencies (data, lenses, library, mit)2023-08-030.1.2.4RomanCheplyaka, srk
data-lens-template360.021Utilities for Data.Lens (bsd3, data, library)2016-07-172.2EdwardKmett, JoelBurget, RussellOConnor
data-list-sequences30.01Utilities for working with sequences within lists. (data, gpl, library)2011-08-130.1JonasKramer
data-list-zigzag30.01A list but with a balanced enumeration of Cartesian product. (bsd3, data, library)2018-02-270.1.1.1erisco
data-map-multikey40.01Data.Map with multiple, unique keys (data, library, mit)2015-05-130.0.1.2JasonHickner
data-memocombinators132.018Combinators for building memo tables. (bsd3, data, library)2013-12-140.5.1DmitryMalikov, LukePalmer, ThomasDuBuisson
data-msgpack (deprecated in favor of msgpack-binary)202.011A Haskell implementation of MessagePack (bsd3, data, deprecated, library, program)2020-02-290.0.13iphydf
data-msgpack-types (deprecated in favor of msgpack-types)140.04A Haskell implementation of MessagePack. (bsd3, data, deprecated, library)2020-02-290.0.3iphydf
data-named40.03Data types for named entities (bsd3, library, natural-language-processing)2019-11-300.6.2JakubWaszczuk
data-nat30.01data Nat = Zero | Succ Nat (bsd3, data, library, math)2012-09-230.1.2GaborLehel
data-object (deprecated in favor of aeson)120.016Represent hierachichal structures, called objects in JSON. (deprecated) (bsd3, data, deprecated, library)2012-01-180.3.1.9MichaelSnoyman
data-object-json (deprecated in favor of aeson)170.03Serialize JSON data to/from Haskell using the data-object library. (deprecated) (bsd3, deprecated, library, text)2012-01-180.3.1.8MichaelSnoyman
data-object-yaml (deprecated in favor of yaml)70.05Serialize data to and from Yaml files (deprecated) (bsd3, deprecated, library, web)2012-01-310.3.4.2MichaelSnoyman
data-or80.02A data type for non-exclusive disjunction. (bsd3, data, library)2021-10-181.0.0.7WrenThornton, WrenRomano
data-ordlist232.2522Set and bag operations on ordered lists (bsd3, data, library, list)2014-11-200.4.7.0LeonSmith
data-partition30.02A pure disjoint set (union find) data structure (bsd3, data, library)2015-04-030.3.0.0LukePalmer
data-pdf-fieldreader30.00Read PDF form fields (data, library, mit, program)2021-08-160.1.1.0ScottSedgwick
data-pprint60.04Prettyprint and compare Data values (bsd3, library, testing, text)2022-03-040.2.4.2PeterDivianszky, lspitzner, GaborPali, gombocarti
data-quotientref10.01Reference cells that need two independent indices to be accessed. (bsd3, data, library)2008-10-200.1LukePalmer
data-r-tree (deprecated in favor of r-tree)60.02R-Tree is a spatial data structure similar to Quadtrees or B-Trees. (data-structures, deprecated, library, mit)2020-01-220.6.0SebastianPhilipp, OleksiiDivak
data-ref100.03Unify STRef and IORef in plain Haskell 98 (bsd3, data, library)2023-02-150.1HenningThielemann
data-reify280.013Reify a recursive data structure into an explicit graph. (bsd3, data, language, library, parsing, reflection)2024-10-270.6.4AndyGill, ryanglscott
data-reify-cse10.01Common Sub-Expression Elimination for graphs generated by Data.Reify. (bsd3, data, language, library)2013-05-080.0.3SebastiaanVisser
data-reify-gadt160.00Data.Reify for GADTs (bsd3, data, library, program)2025-02-270.1.0.0ArthiChaud
data-repr10.02Alternative to Show data printing utility. (apache, library, text)2015-10-221.0danilo2, iamrecursion
data-result20.01Data types for returning results distinguishable by types. (apache, library, text)2016-01-301.0danilo2, iamrecursion
data-rev30.01A typeclass for reversing order of contents. (bsd3, data, library)2015-01-010.1.0.1jxv
data-rope30.01Ropes, an alternative to (Byte)Strings. (data, library)2011-02-110.3PierreEtienneMeunier
data-rtuple20.01Recursive tuple data structure. It is very usefull when implementing some lo-level operations, allowing to traverse different elements using Haskell's type classes. (apache, library, text)2015-10-211.0danilo2, iamrecursion
data-serializer330.03Common API for serialization libraries (bsd3, data, library)2021-04-040.3.5MikhailVorozhtsov
data-size20.02Profiling of data structures (library, mit, testing)2014-01-110.1.1.7UweSchmidt
data-sketches190.01 (library, unclassified)2021-08-250.3.1.0IanDuncan
data-sketches-core160.01 (bsd3, library, unclassified)2021-08-250.1.0.0IanDuncan
data-spacepart (deprecated in favor of spacepart)40.01Deprecated. Now called "spacepart". Space partitioning data structures. (bsd3, data, deprecated, library)2009-02-1620090215.0CoreyOConnor
data-standards10.01A collection of standards representable by simple data types. (data, library, mpl)2018-07-240.1.0.2ageitilt
data-stm3230.00ARM SVD and CubeMX XML parser and pretty printer for STM32 family (bsd3, library, parsing, program)2018-02-210.1.0.0srk
data-store20.01Type safe, in-memory dictionary with multidimensional keys. (bsd3, data, library)2013-08-190.3.0.7PetrPilar
data-stringmap30.04An efficient implementation of maps from strings to arbitrary values (data-structures, library, mit)2014-02-271.0.1.1UweSchmidt, SebastianPhilipp
data-svd30.01SVD (System view description) file handling (bsd3, embedded, library, program)2024-02-110.1.2.0srk
data-sword20.03Shorter binary words (bsd3, data, library)2022-09-110.2.0.3MikhailVorozhtsov
data-tensor30.01Tensor and Group typeclasses (data, library, mit)2015-06-190.1.0.0TobiasDammers
data-textual240.07Human-friendly textual representations. (bsd3, data, library, text)2019-11-010.3.0.3MikhailVorozhtsov
data-timeout40.0164-bit timeouts of nanosecond precision (bsd3, concurrency, data, library)2018-10-220.3.1MikhailVorozhtsov
data-transform40.01Functions to transform data structures. (bsd3, data, library)2020-04-100.1.1.0JonasScholl
data-tree-print100.02Print Data instances as a nested tree (bsd3, library, pretty-printer)2018-10-240.1.0.2lspitzner, fozworth, dukerutledge
data-treify60.03Reify a recursive data structure into an explicit graph. (bsd3, data, language, library, parsing, reflection-)2014-03-180.3.4ConalElliott
data-type20.04Basic type wrangling types and classes (bsd3, data, library, type-system)2011-09-230.1.0IainAlexander
data-util30.01utilities for handle data (bsd3, data, development, library, utils)2015-09-080.5KatsutoshiItoh
data-validation32.00A library for creating type safe validations. (apache, data, library)2021-02-110.1.2.5bcj, sambolias, DevinLyons
data-variant10.02A variant data type, useful for modeling dynamically-typed programming languages (bsd3, data, library)2014-07-310.28.0.5TobiasDammers
data-vector-growable40.00Dynamic growable resizable mutable generic vector (bsd3, data, data-structures, library)2020-12-240.0.1FumiakiKinoshita
database-id-class50.01Class for types with a database id (bsd3, database, library)2019-07-210.1.0.1abrar
database-id-groundhog30.00HasId/Groundhog interop (bsd3, database, library)2019-07-210.1.0.1abrar
database-migrate80.01Database versioning and migration (experimental) (bsd3, database, library)2013-07-160.2.0MarkHibberd
database-study30.01Demonstrate how a database can be implemented the functional way (bsd3, database, library, monads)2010-02-050.0.1HenningThielemann
datacrypto30.00Encryption library (data, library, mit, security)2025-01-051.1.0drJonas
datadog91.252Datadog client for Haskell. Supports both the HTTP API and StatsD. (library, mit, network)2022-03-300.3.0.0IanDuncan, dfithian
datadog-tracing282.00Datadog tracing client and mock agent. (bsd3, library, logging, program)2019-05-081.5.1fommil
dataenc (deprecated in favor of sandi)90.033Data encoding library (bsd3, codec, deprecated, library)2014-04-220.14.0.7GracjanPolak, MagnusTherning
datafix10.01Fixing data-flow problems (compiler, library, program)2020-03-280.0.1.0sgraf812
dataflow40.01Generate Graphviz documents from a Haskell representation. (bsd3, code-generation, compiler, graphs, library, program)2015-08-260.7.3.0owickstrom
dataflower50.00A Pure-Haskell Timely Dataflow System (bsd3, library, unclassified)2020-08-240.3.0.0jessekempf
datalog20.01An implementation of datalog in Haskell (bsd3, database, library, program)2014-09-180.2.0.2TristanRavitch
datarobot30.01Client for DataRobot API (bsd3, library, web)2018-03-271.0.1seanhess
datasets62.01Classical data sets for statistics and machine learning (data, data-mining, library, machine-learning, mit, statistics)2019-02-120.4.0glutamate, ocramz, stites
dataurl70.01Handle data-urls (library, mit, web)2015-11-010.1.0.0AlexanderThiemann
date-cache80.08Date cacher (bsd3, library, system)2012-09-030.3.0KazuYamamoto
date-conversions10.01Date conversions (data, date, library, mit)2018-02-070.3.0.0joshuaclayton
dates70.07Small library for parsing different dates formats. (bsd3, data, library)2024-03-290.2.3.3IlyaPortnov
datetime60.010Utilities to make Data.Time.* easier to use (data, library)2015-07-200.3.1EricSessoms, EugenyDzhurinsky, jsl, stackbuilders
datetime-sb20.01Utilities to make Data.Time.* easier to use. (data, library)2015-05-280.2.4jsl
dawdle10.00Generates DDL suggestions based on a CSV file (database, library, mit, program)2015-12-050.1.0.2arnon
dawg30.09Directed acyclic word graphs (bsd3, data, data-structures, library)2013-07-220.11JakubWaszczuk
dawg-ord42.01Directed acyclic word graphs (bsd3, data, data-structures, library)2020-09-240.5.1.2JakubWaszczuk
day-comonoid20.01A comonoid w.r.t. Day (bsd3, comonads, data-structures, functors, library)2023-10-150.1viercc
daytripper80.02Helpers for round-trip tests (bsd3, library, unclassified)2024-12-181.0.0ejconlon
dbcleaner50.01Clean database tables automatically around hspec tests (database, library, mit)2017-08-020.1.3jsl, sestrella, goetzc
dbf10.02Read and write XBase ".dbf" files (database, library, public-domain)2009-07-270.0.0.2JamesCook
dbjava20.01Decompiler Bytecode Java (bsd3, jvm, library, program)2011-04-101.7CarlosGomez
dbmigrations (deprecated)170.02An implementation of relational database "migrations" (bsd3, database, deprecated, library, program)2022-05-042.1.0JonathanDaugherty
dbmigrations-mysql20.00The dbmigrations tool built for MySQL databases (bsd3, database, library, program)2016-10-222.0.0JonathanDaugherty
dbmonitor10.00Data consistency alerting for PostgreSQL (bsd3, database, library, monitoring, program)2022-07-190.1.0viviag
dbus790.026A client library for the D-Bus IPC system. (apache, desktop, library, network)2025-03-261.4.0JohnMillikin, blaze
dbus-client (deprecated in favor of dbus)40.017Monadic and object-oriented interfaces to DBus (deprecated, desktop, gpl, library, network)2012-06-230.4.1JohnMillikin
dbus-core (deprecated in favor of dbus)30.015Low-level D-Bus protocol implementation (deprecated, desktop, gpl, library, network)2012-06-230.9.3JohnMillikin
dbus-hslogger70.01Expose a dbus server to control hslogger (bsd3, library, program, system)2018-05-030.1.0.1eyevanmalicesun
dbus-qq10.01Quasi-quoter for DBus functions (bsd3, library, network)2012-08-190.1.0PaoloCapriotti
dbus-th20.02TemplateHaskell generator of DBus bindings (bsd3, library, network)2018-03-310.1.3.0IlyaPortnov
dbus-th-introspection60.01Generate bindings for DBus calls by using DBus introspection and dbus-th (bsd3, development, library, program)2018-03-310.1.2.0IlyaPortnov
dclabel (deprecated in favor of lio)30.03This packge is deprecated. See the the "LIO.DCLabel" in the "lio" package. (bsd3, deprecated, library, security)2012-08-170.9.0.0DeianStefan
dclabel-eci11 (deprecated in favor of lio)20.02The Disjunction Category Label Format. (bsd3, deprecated, library, security)2011-07-230.3AlejandroRusso
dcpu1610.00DCPU-16 Emulator & Assembler (bsd3, compilers-interpreters, library, program)2017-01-120.1.0.2anatolat
ddate10.01Discordian Date Types for Haskell (data, gpl, library)2016-06-300.1.0.0hellerve
ddc-base (deprecated in favor of ddc-core)40.014Disciplined Disciple Compiler common utilities. (compilers-interpreters, deprecated, library, mit)2016-04-300.4.2.1BenLippmeier
ddc-build (deprecated)40.02Disciplined Disciple Compiler build framework. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier, amosrobinson
ddc-code (deprecated)20.01Disciplined Disciple Compiler base libraries. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.2BenLippmeier
ddc-core (deprecated)40.012Disciplined Disciple Compiler core language and type checker. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
ddc-core-babel (deprecated)20.01Disciplined Disciple Compiler PHP code generator. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
ddc-core-eval (deprecated)20.03Disciplined Disciple Compiler semantic evaluator for the core language. (compilers-interpreters, deprecated, library, mit)2014-10-310.4.1.3BenLippmeier
ddc-core-flow (deprecated)20.04Disciplined Disciple Compiler data flow compiler. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
ddc-core-llvm (deprecated)20.03Disciplined Disciple Compiler LLVM code generator. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
ddc-core-salt (deprecated)20.07Disciplined Disciple Compiler C code generator. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
ddc-core-simpl (deprecated)30.07Disciplined Disciple Compiler code transformations. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
ddc-core-tetra (deprecated)20.06Disciplined Disciple Compiler intermediate language. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
ddc-driver (deprecated)30.01Disciplined Disciple Compiler top-level driver. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
ddc-interface (deprecated)30.02Disciplined Disciple Compiler user interface support. (compilers-interpreters, deprecated, library, mit)2014-10-310.4.1.3BenLippmeier
ddc-source-tetra (deprecated)20.03Disciplined Disciple Compiler source language. (compilers-interpreters, deprecated, library, mit)2016-09-060.4.3.1BenLippmeier
dde42.01Delay differential equations (bsd3, library, math, program)2018-07-080.3.0penkovsky
dead-simple-json20.01Dead simple JSON parser, with some Template Haskell sugar. (json, library, mit)2013-03-260.1.2JulianFleischer
dear-imgui142.01Haskell bindings for Dear ImGui. (bsd3, graphics, library)2024-10-022.3.1AlexanderBondarenko, OliverCharles
debian120.03Modules for working with the Debian package system (bsd3, debian, library, program)2023-09-214.0.5ClintAdams, DavidFox, JeremyShaw, MarcoSilva
debian-binary (deprecated)30.01Utilities to work with debian binary packages (deprecated, library, program, system)2008-09-110.0.1MarcoSilva
debian-build70.01Debian package build sequence tools (bsd3, debian, library, program)2021-09-040.10.2.1KeiHibino
debruijn70.00de Bruijn indices and levels (bsd3, development, library)2025-02-150.3phadej
debruijn-safe20.00de Bruijn indices and levels (bsd3, development, library)2025-02-150.3phadej
debug52.51Simple trace-based debugger (bsd3, debugging, development, library, program)2018-03-190.1.1NeilMitchell
debug-diff30.01Display a colorized diff between two Haskell values (bsd3, debug, library)2011-09-140.1KeeganMcAllister
debug-dump70.00File-based debug output (bsd3, debug, library)2019-06-030.1.1.0vmchale
debug-print230.00A structured alternative to Show (debug, library, mit)2025-03-140.1.0.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
debug-time20.01Debug.Trace equivalent for timing computations (debug, library, mit)2016-01-090.1.0.1darwin226
debug-trace-file20.00Like Debug.Trace but writing to files. (debug, library, mit)2023-06-301.0.0.1ak3n
debug-trace-var60.01You do not have to write variable names twice in Debug.Trace (debug, library, mit)2018-06-090.2.0ncaq
debug-tracy20.00More useful trace functions for investigating bugs (bsd3, development, library, program)2019-02-040.1.0.3fresheyeball
debuggable20.00Utilities for making your applications more debuggable. (bsd3, development, library)2024-11-230.1.0EdskoDeVries
debugger-hs20.00Write your GDB scripts in Haskell. (bsd3, debugging, library)2021-12-120.1.1.0luc_tielen
deburr42.01Convert Unicode characters with burrs to their ASCII counterparts. (library, mit, text)2017-08-280.1.0.1princess
dec770.04Decidable propositions. (bsd3, data, dependent-types, library)2024-05-170.0.6phadej
decepticons20.01The categorical dual of transformers. (bsd3, control, library)2013-05-070.1.0.0JoeQuinn
decidable70.02Combinators for manipulating dependently-typed predicates. (bsd3, dependent-types, library)2024-02-280.3.1.1jle
decimal-arithmetic120.01An implementation of the General Decimal Arithmetic Specification (bsd3, library, numeric)2018-07-150.5.1.0RobLeslie
decimal-literals20.02Preprocessing decimal literals more or less as they are (instead of via fractions) (gpl, library, math)2019-02-200.1.0.1leftaroundabout
decision-diagrams50.01Binary Decision Diagrams (BDD) and Zero-suppressed Binary Decision Diagrams (ZDD) (bsd3, data, data-structures, library, logic)2021-11-250.2.0.0MasahiroSakai
declarative130.01DIY Markov Chains. (library, math, mit)2021-02-230.5.4JaredTobin
decoder-conduit30.01Conduit for decoding ByteStrings using Data.Binary.Get (bsd3, conduit, library)2013-09-270.0.1.1hansonkd
dedukti30.01A type-checker for the λΠ-modulo calculus. (compilers-interpreters, library, program, theorem-provers)2011-04-081.1.4MathieuBoespflug
deep-map22.00Deeply-nested, multiple key type maps. (bsd3, data, library, statistics)2024-11-200.3.2melaniebrown
deep-transformations100.03Deep natural and unnatural tree transformations, including attribute grammars (bsd3, control, generics, library)2025-01-010.3MarioBlazevic
deepcontrol20.01A library that provides deep-level programming style and(or) notation on Applicative and Monad (bsd3, control, library)2015-12-200.5.4.3KONISHI_Yohsuke
deepl50.00Call DeepL to translate you files (bsd3, language, library, program, web)2021-04-160.1.0.1PaoloVeronelli
deeplearning-hs20.01Deep Learning in Haskell (library, math, mit, program)2014-05-050.1.0.2ajtulloch
deepseq572.51439Deep evaluation of data structures (bsd3, control, library)2024-09-08HerbertValerioRiedel, chessai, melaniebrown
deepseq-bounded120.02Bounded deepseq, including support for generic deriving (bsd3, control, library)2015-02-040.8.0.0AndrewSeniuk
deepseq-generics160.023GHC.Generics-based Control.DeepSeq.rnf implementation (bsd3, control, library)2016-01-030.2.0.0HerbertValerioRiedel
deepseq-instances70.00Candidate NFData Instances for Types in base (control, library, mit)2020-05-280.1.0.1TravisWhitaker
deepseq-magic20.01Deep evaluation of data structures without NFData (control, library, public-domain)2015-01-201.0.0.3EdwardYang
deepseq-th (deprecated in favor of deepseq-generics)30.02Template Haskell based deriver for optimised NFData instances (bsd3, control, deprecated, library)2012-10-130.1.0.4HerbertValerioRiedel
deepzoom20.01A DeepZoom image slicer. Only known to work on 32bit Linux (bsd3, graphics, library)2012-01-160.1MatthewPanetta
defargs20.01default arguments in haskell (bsd3, library, type-system)2014-10-140.3Kinokkory
defaultable-map40.00Applicative maps (bsd3, library, unclassified)2022-06-261.0.2GabrielGonzalez
deferred-folds1930.015Abstractions over deferred folds (fold, folding, library, mit)2025-02-020.9.18.7NikitaVolkov
definitive-base30.07The base modules of the Definitive framework. (library, prelude)2014-11-112.3MarcCoiffier
definitive-filesystem20.02A library that enable you to interact with the filesystem in a definitive way. (filesystem, library)2014-07-131.2MarcCoiffier
definitive-graphics50.01A definitive package allowing you to open windows, read image files and render text to be displayed or saved (graphics, library)2014-07-131.2MarcCoiffier
definitive-parser20.03A parser combinator library for the Definitive framework (library, parsers)2014-11-112.1MarcCoiffier
definitive-reactive20.04A simple Reactive library. (library, reactive)2014-07-131.0MarcCoiffier
definitive-sound20.01A definitive package to handle sound and play it back (library, unclassified)2014-03-191.0MarcCoiffier
defun10.00Defunctionalization helpers (bsd3, data, library)2023-12-120.1phadej
defun-bool20.01Defunctionalization helpers: booleans (bsd3, data, library)2023-12-100.1phadej
defun-core20.010Defunctionalization helpers: core definitions (bsd3, data, library)2023-12-100.1phadej
defun-sop10.01Defunctionalization helpers: lists (bsd3, data, library)2023-12-100.1phadej
deiko-config30.02Small and typesafe configuration library. (bsd3, data, library)2017-11-090.5.0.1YorickLaupa
dejafu142.07A library for unit-testing concurrent programs. (concurrency, library, mit)2025-01-062.4.0.7barrucadu
deka30.02Decimal floating point arithmetic (bsd3, library, math)2014-07-160.6.0.2OmariNorman
deka-tests20.01Tests for deka, decimal floating point arithmetic (bsd3, library, math, program)2014-07-160.6.0.2OmariNorman
delaunay30.01Build a Delaunay triangulation of a set of points (bsd3, graphics, library)2013-05-290.1.0.2MarcelRuegenberg
delaunayNd30.01Delaunay tessellation (geometry, gpl, library, math)2023-11-200.1.0.2stla
delay20.02More useful and humain delaying functions (bsd3, concurrency, library, system)2016-03-210davean
delicious20.01Accessing the del.icio.us APIs from Haskell (v2) (bsd3, library, web)2013-12-300.3.4SigbjornFinne
delimited-text140.03Parse character delimited textual data (bsd3, data, library)2011-03-230.3.0DonaldStewart, StefanKersten
delimiter-separated30.01Library for dealing with tab and/or comma (or other) separated files (bsd3, development, library)2015-11-270.1.0.0AtzeDijkstra
delivery-status-notification30.00Parse bounce messages per RFC3464, RFC3463 (bsd3, library, web)2024-08-190.2.0.0BenMillwood
delta40.00A library for detecting file changes (data, lgpl, library, program)2015-07-230.2.1.2muzzle
delta-h30.01Online entropy-based model of lexical category acquisition. (bsd3, library, natural-language-processing, program)2012-02-290.0.3GrzegorzChrupala
deltaq22.00Framework for ∆Q System Development (bsd3, deltaq, distributed-systems, library, probability)2024-12-231.0.0.0HeinrichApfelmus, semanticphilosopher, peterwthompson
delude (deprecated)20.01Generalized the Prelude more functionally. (deprecated, distribution, library, mit)2016-06-010.1.0.3sgschlesinger
demangler20.00Demangler for C++ mangled names. (bsd3, development, library, program)2024-04-231.3.2.0KevinQuick
demarcate (deprecated in favor of free)20.01Demarcating transformed monad. (bsd3, control, deprecated, library)2013-09-230.1.0NickolayKudasov
denominate20.01Functions supporting bulk file and directory name normalization. (bsd3, library, program, system)2008-12-070.5.0CalvinSmith
dense40.01Mutable and immutable dense multidimensional arrays (bsd3, data, library)2020-11-200.1.0.1cchalmers
dense-int-set30.01Dense int-set (data, library, mit)2018-10-080.3NikitaVolkov
dense-linear-algebra370.02Simple and incomplete pure haskell implementation of linear algebra (bsd2, library, math, numeric, statistics)2018-10-110.1.0.0AlexeyKhudyakov
dep-t60.04Dependency injection for records-of-functions. (bsd3, control, library)2023-01-150.6.8.0DanielDiazCarrete
dep-t-advice60.00Giving good advice to functions in records-of-functions. (bsd3, control, library)2022-10-230.6.2.0DanielDiazCarrete
dep-t-dynamic50.00A dynamic environment for dependency injection. (bsd3, control, library)2022-11-080.1.1.0DanielDiazCarrete
dep-t-value20.00Pair resources files with types within your program. (bsd3, control, library)2022-04-170.1.0.0DanielDiazCarrete
dependency50.03Dependency resolution for package management (bsd3, build, development, library)2018-08-171.2.0.3vmchale
dependent-hashmap40.01Dependent hash maps (bsd3, data, library)2020-03-020.1.0.1OlleFredriksson
dependent-literals70.00Library for dependent-literals-plugin (apache, constraints, library)2021-11-050.2.0AndrewPritchard
dependent-literals-plugin70.00Dependent integer literals (apache, constraints, library)2021-11-050.1.0.2AndrewPritchard
dependent-map512.539Dependent finite maps (partial dependent products) (data, dependent-types, library)2020-03-270.4.0.0BertramFelgenhauer, JamesCook, RyanTrinkle, abrar, 3noch, alexfmpe, maralorn, ymeister
dependent-monoidal-map140.02Dependent map that uses semigroup mappend (bsd3, data, library)2025-01-180.1.1.5CaleGibbard, RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
dependent-state30.01Control structure similar to Control.Monad.State, allowing multiple nested states, distinguishable by provided phantom types. (apache, data, library)2016-01-301.0.1danilo2, iamrecursion
dependent-sum842.2563Dependent sum type (data, dependent-types, library, public-domain)2022-12-220.7.2.0BertramFelgenhauer, JamesCook, JohnEricson, RyanTrinkle, abrar, 3noch, alexfmpe, maralorn, DanBornside, ymeister
dependent-sum-aeson-orphans120.03JSON instances for DSum, DMap, and Some (bsd3, json, library)2025-01-190.3.1.2CaleGibbard, RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
depq72.01Double-ended priority queues (bsd3, data, data-mining, data-structures, library)2021-04-120.4.2ocramz
deptrack-core20.02DepTrack Core types and model. (apache, graphs, library)2018-09-150.1.0.0LucasDiCioccio
deptrack-devops10.01DepTrack applied to DevOps. (apache, devops, library)2018-09-150.1.0.0LucasDiCioccio
deptrack-dot10.01Facilitate Graphviz representations of DepTrack dependencies. (apache, graphs, library)2018-09-160.1.0.0LucasDiCioccio
deque562.08Double-ended queues (data, library, mit)2025-02-030.4.4.2NikitaVolkov
dequeue40.06A typeclass and an implementation for double-ended queues. (bsd3, data-structures, library)2015-09-030.1.12HenryBucklow
derangement10.01Find derangements of lists (library, unclassified)2007-03-120.1.0DennisGriffith
derivation-trees40.01Typeset Derivation Trees via MetaPost (graphics, library, math)2010-11-180.7.3JeanPhilippeBernardy
derive162.2561A program and library to derive instances for data types (bsd3, development, library, program)2019-01-222.6.5AustinSeipp, NeilMitchell, StefanORear, VladimirShabanov, ip1981
derive-IG20.01Macro to derive instances for Instant-Generics using Template Haskell (bsd3, data, generics, library)2010-09-060.1.1HiromiIshii
derive-enumerable60.01Generic instances for enumerating complex data types (data, generics, gpl, library)2022-11-180.2.0mgoszcz2, theunixman
derive-gadt30.01Instance deriving for (a subset of) GADTs. (bsd3, development, language, library, program)2009-07-250.1.1MattMorrow
derive-has-field60.00Derive HasField instances with Template Haskell (library, mit, template-haskell)2024-12-170.1.0.0chiroptical
derive-is-data-con50.00This package generates data constructor predicate functions (bsd3, development, library)2025-02-220.1.0.0songzh
derive-lifted-instances80.01Derive class instances though various kinds of lifting (apache, data, development, generics, library)2020-10-030.2.2SjoerdVisscher
derive-monoid20.01derive Semigroup/Monoid/IsList (derive-monoid, derive-monoid-, library, mit, program)2017-05-010.0.1sboo
derive-prim10.00Derive Prim and PrimUnaligned (data, development, generics, gpl, library)2024-05-120.1.0.1k355l3r5yndr0m3
derive-storable162.011Derive Storable instances with GHC.Generics. (foreign, library, mit)2022-04-090.3.1.0mkloczko
derive-storable-plugin260.07GHC core plugin supporting the derive-storable package. (foreign, library, mit)2023-05-070.2.3.7mkloczko
derive-topdown92.01Derive type class instances (bsd3, development, library)2024-05-220.1.0.0songzh
derive-trie10.02Automatic derivation of Trie implementations. (bsd3, data, library)2012-02-080.2.1AndreasBaldeau
deriveJsonNoPrefix80.01Derive ToJSON/FromJSON instances in a more prefix-friendly manner. (apache, data, library)2018-07-170.1.0.1igrep
deriving-aeson910.016Type driven generic aeson instance customisation (bsd3, generics, json, library)2024-11-230.2.10FumiakiKinoshita
deriving-compat1160.024Backports of GHC deriving extensions (bsd3, compatibility, library)2024-12-060.6.7ryanglscott
deriving-openapi330.00DerivingVia for OpenAPI 3 (generics, json, library, mit, openapi)2022-12-220.1.0.0iko
deriving-show-simple60.00Derive a Show instance without field selector names (bsd3, generics, library)2020-10-280FumiakiKinoshita
deriving-trans80.00Derive instances for monad transformer stacks (bsd3, control, library)2023-07-110.9.1.0jumper149
derivingvia-extras20.00DerivingVia extras - Miscellaneous /via/ types. (bsd3, deriving, library, utils)2022-04-290.1.0.0BaldurBlondal
derp70.02Derivative Parsing (bsd3, library, parsing)2012-03-280.1.6DavidDarais
derp-lib10.01combinators based on parsing with derivatives (derp) package (bsd3, library, text)2011-11-110.0.0.1KiYungAhn
derulo70.00Parse and render JSON simply. (json, library, mit, program)2022-08-282.0.0.3fozworth
describe50.00Combinators for describing binary data structures (bsd3, data, library)2020-02-080.4.0.5riuga
descrilo40.01Loads a list of items with fields (configuration, data, gpl, library, parser)2018-11-030.1.0.7mgmillani
descript-lang20.00Library, interpreter, and CLI for Descript programming language. (gpl, language, library, program)2018-05-200.2.0.0jakobeha
descriptive70.01Self-describing consumers/parsers; forms, cmd-line args, JSON, etc. (bsd3, library, parsing)2018-08-310.9.5ChrisDone
desert60.00a simple build tool for OCaml projects (bsd3, language, library, program)2016-08-240.1.0.6zjhsdtc
desktop-portal70.00Desktop Portal. (desktop, flatpak, gui, library, mit, portal, xdg)2024-12-210.8.0.1garethdanielsmith
despair40.01Despair (bsd3, control, library)2015-12-010.0.6Heather
deterministic-game-engine102.01Simple deterministic game engine (game-engine, library, mit)2015-08-020.4.0tgolson
detour-via-sci60.02JSON and CSV encoding for rationals as decimal point numbers. (csv, data, json, library, math, mpl, numeric)2018-06-221.0.0philderbeast
detour-via-uom20.01JSON and CSV encoding for quantities. (csv, data, json, library, math, mpl, numeric, physics)2018-06-221.0.0philderbeast
devanagari-transliterations20.00Conversion between Devanagari Unicode, Harvard-Kyoto, IAST and ISO15919. (bsd3, library, linguistics)2023-12-240.1.0.0thma
devtools20.01Haskell development tool agregate (bsd3, library, testing)2020-11-200.1.0mbj
dewdrop10.01Find gadgets for return-oriented programming on x86 (bsd3, library, reverse-engineering, security)2011-08-280.1KeeganMcAllister
df190.08Type, render and parse the df1 hierarchical structured log format (bsd3, library, logging)2024-05-070.4.3RenzoCarbonara
df1-html20.00Render and parse df1 logs as HTML (bsd3, library, logging)2023-12-110.1.1RenzoCarbonara, MelisaLauraDiaz
df1-wai10.01Df1 log formatting for WAI requests and responses (bsd3, library, logging)2024-05-070.1RenzoCarbonara
dfinity-radix-tree172.00A generic data integrity layer. (blockchain, bsd3, database, dfinity, library, program)2019-03-140.6.3EnzoHaussecker, taktoa
dfrac30.01A package for precise decimal arithmatic using rationals. (library, math, mit)2014-08-150.1.2.0georgerogers42
dgim20.01Implementation of DGIM algorithm (algorithms, data, library, mit)2015-04-040.0.3musically_ut
dgs10.01Haskell front-end for DGS' bot interface (bsd3, game, library, network, web)2010-02-140.2DanielWagner
dhall612.7556A configuration language guaranteed to terminate (bsd3, compiler, library, program)2025-01-191.42.2GabrielGonzalez, sjakobi
dhall-bash160.00Compile Dhall to Bash (bsd3, compiler, library, program)2023-04-191.0.41GabrielGonzalez, sjakobi
dhall-csv70.00Convert bidirectionally between Dhall and CSV files. (bsd3, compiler, library, program)2023-04-191.0.4GabrielGonzalez
dhall-docs50.00Generate HTML docs from a dhall package (bsd3, compiler, library, program)2025-01-191.0.12GabrielGonzalez, sjakobi
dhall-fly40.00Translate concourse config from Dhall to YAML (bsd3, concourse, dhall, json, library, program, yaml)2020-03-020.3.0axeman
dhall-json212.07Convert between Dhall and JSON or YAML (bsd3, compiler, library, program)2023-04-191.7.12GabrielGonzalez, sjakobi
dhall-lex40.01Lexer for the Dhall language (bsd3, dhall, language, lexers, library)2018-03-250.2.0.0
dhall-lsp-server140.00Language Server Protocol (LSP) server for Dhall (library, mit, program, unclassified)2025-01-191.1.4GabrielGonzalez, sjakobi
dhall-openapi90.00Convert an OpenAPI specification to a Dhall package (bsd3, compiler, library, program)2025-01-191.0.7GabrielGonzalez
dhall-recursive-adt40.00Convert recursive ADTs from and to Dhall (dhall, library)2021-06-040.1.0.1amesgen
dhall-secret20.00Encrypt Decrypt Dhall expressions (bsd3, data, library, program)2025-01-060.6.63oyanglulu
dhall-text-shell40.00Render dhall text with shell commands as function arguments (compiler, library, mit, program)2022-05-010.2.0.0jle
dhall-to-cabal20.00Compile Dhall expressions to Cabal files (distribution, library, mit, program)2019-07-051.3.4.0OliverCharles
dhall-toml60.00Convert between Dhall and TOML (bsd3, compiler, library, program)2025-01-191.0.4GabrielGonzalez
dhall-yaml210.00Convert between Dhall and YAML (compiler, gpl, library, program)2023-04-191.2.12GabrielGonzalez, HerbertValerioRiedel, sjakobi
dhcp-lease-parser20.01Parse a DHCP lease file (bsd3, library, software)2017-05-260.1andrewthad
dhrun10.00Dhall/YAML configurable concurrent integration test executor. (library, mit, program, tools)2019-07-251.0.1fre
dhscanner-ast152.01abstract syntax tree for multiple programming languages (gpl, library, parsing)2025-03-251.0.8OrenHackage
dhscanner-bitcode122.00Intermediate language for static code analysis (gpl, library, sast)2025-03-251.0.4OrenHackage
di70.03Typeful hierarchical structured logging using di, mtl and df1. (bsd3, library, logging)2019-11-171.3RenzoCarbonara
di-core60.08Typeful hierarchical structured logging without monad towers. (bsd3, library, logging)2019-11-151.0.4RenzoCarbonara
di-df170.06Write logs in the df1 format using the di logging framework (bsd3, library, logging)2020-05-281.2.1RenzoCarbonara
di-handle80.03IO support for file handles in di-core (bsd3, library, logging)2019-04-291.0.1RenzoCarbonara
di-monad140.02mtl flavoured typeful hierarchical structured logging for di-core. (bsd3, library, logging)2023-10-211.3.5RenzoCarbonara
di-polysemy50.04DI logger wrapped for Polysemy (library, logging, mit)2020-09-030.2.0.0nitros12
di-wai20.00Di logging for WAI requests and responses (bsd3, library, logging)2024-05-070.2RenzoCarbonara
dia-base40.02An EDSL for teaching Haskell with diagrams - data types (bsd3, education, graphics, library)2016-05-240.1.1.4PeterDivianszky, lspitzner, GaborPali
dia-functions10.01An EDSL for teaching Haskell with diagrams - functions (bsd3, education, graphics, library)2016-05-240.2.1.5PeterDivianszky, lspitzner, GaborPali
diagnose192.250Beautiful error reporting done easily (bsd3, error-reporting, library)2023-07-052.5.1mesabloo
diagrams232.7513Embedded domain-specific language for declarative vector graphics (bsd3, graphics, library)2023-07-111.4.1AdamVogt, BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-boolean10.01deprecated, part of diagrams-contrib since 1.4 (bsd3, graphics, library)2016-07-240.1.0KristofBastiaensen
diagrams-braille100.00Braille diagrams with plain text (bsd3, graphics, library, program)2022-01-260.1.1BrentYorgey, mlang
diagrams-builder170.04hint-based build service for the diagrams graphics EDSL. (bsd3, graphics, library)2023-07-100.8.0.6BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-cairo350.025Cairo backend for diagrams drawing EDSL (bsd3, graphics, library)2024-11-061.4.3BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-canvas130.02HTML5 canvas backend for diagrams drawing EDSL (bsd3, graphics, library)2024-10-301.4.2BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-contrib1130.06Collection of user contributions to diagrams EDSL (bsd3, graphics, library)2024-10-291.4.6BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-core1032.2539Core libraries for diagrams EDSL (bsd3, graphics, library)2023-11-161.5.1.1BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-gi-cairo20.00Cairo backend for diagrams drawing EDSL (bsd3, graphics, library)2022-12-061.4.2BrentYorgey
diagrams-graphviz132.03Graph layout and drawing with GraphViz and diagrams (bsd3, graphics, library)2020-02-181.4.1.1BrentYorgey
diagrams-gtk60.06Backend for rendering diagrams directly to GTK windows (bsd3, graphics, library)2016-10-271.4BrentYorgey, JohnLato, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-haddock480.01Preprocessor for embedding diagrams in Haddock documentation (bsd3, graphics, library, program)2023-07-110.4.1.2BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-hsqml20.01HsQML (Qt5) backend for Diagrams (bsd3, graphics, library)2015-08-080.2.0.0mjmrotek
diagrams-html5 (deprecated in favor of diagrams-canvas)50.01HTML5 canvas backend for diagrams drawing EDSL (bsd3, deprecated, graphics, library)2023-04-181.4.2BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-input70.00Parse raster and SVG files for diagrams (bsd3, diagrams, graphics, library)2024-11-050.1.4BrentYorgey
diagrams-lib982.576Embedded domain-specific language for declarative graphics (bsd3, graphics, library)2025-02-131.5BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-pandoc40.00A Pandoc filter to express diagrams inline using the Haskell EDSL _Diagrams_ (bsd3, library, program, text)2024-02-290.4BrentYorgey, bergey
diagrams-pdf60.01PDF backend for diagrams drawing EDSL (bsd3, graphics, library)2013-08-310.3.1alpheccar
diagrams-pgf72.02PGF backend for diagrams drawing EDSL. (bsd3, graphics, library)2023-07-101.4.2.1BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-postscript670.04Postscript backend for diagrams drawing EDSL (bsd3, graphics, library)2024-10-311.5.2BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-qrcode40.01Draw QR codes to SVG, PNG, PDF or PS files. (bsd3, graphics, library)2015-10-021.3FelipeLessa
diagrams-rasterific522.09Rasterific backend for diagrams. (bsd3, graphics, library)2024-10-301.4.3BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-reflex20.01reflex backend for diagrams drawing EDSL. (bsd3, graphics, library)2016-02-190.1bergey
diagrams-rubiks-cube30.01Library for drawing the Rubik's Cube. (graphics, library, mit)2017-12-090.3.0.0TimBaumann
diagrams-solve440.02Pure Haskell solver routines used by diagrams (bsd3, library, math)2025-02-190.1.3.1BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-svg572.022SVG backend for diagrams drawing EDSL. (bsd3, graphics, library)2025-03-251.5BrentYorgey, DeepakJois, RyanYates, jeffreyrosenbluth, bergey, cchalmers
diagrams-tikz10.01TikZ backend for diagrams drawing EDSL (bsd3, graphics, library)2012-12-140.6AriePeterson
diagrams-wx20.01Backend for rendering diagrams in wxWidgets (bsd3, graphics, library)2016-04-070.1.1.0MichaelSmith
dialog20.01Simple dialog-based user interfaces (bsd3, interaction, library)2015-12-220.3.0.0lamefun
dialogflow-fulfillment120.00A Dialogflow Fulfillment library for Haskell. (api, bsd3, library)2021-05-120.1.1.4mauriciofierrom
dialogue22.250I/O in Haskell Report 1.2 (bsd3, io, library, program)2022-02-130.1.0AliasQli
dib10.01A simple, forward build system. (development, library, mit, program)2018-01-100.7.2blajzer
dice70.03Simplistic D&D style dice-rolling system. (game, library, program, public-domain)2022-10-280.1.1BertramFelgenhauer, JamesCook, ncfavier
dice-entropy-conduit30.02Cryptographically secure n-sided dice via rejection sampling (cryptography, data, lgpl, library)2020-05-091.0.0.3PeterRobinson
dicom20.01A library for reading and writing DICOM files in the Explicit VR Little Endian transfer syntax. (data, gpl, library, medical)2015-12-110.3.0.0PhilFreeman, karchie
dictionaries40.00Tools to handle StarDict dictionaries. (bsd3, library, program, text)2018-01-130.2.0.4zohl
dictionary-sharing280.01Sharing/memoization of class members (bsd3, development, library)2015-06-240.1.0.0JonasDuregard
dictparser30.01Parsec parsers for the DICT format produced by dictfmt -t (bsd3, language, library, program)2014-01-100.3.0.0MarkWotton
diet20.02Discrete Interval Encoding Trees (bsd3, library, unclassified)2018-06-050.1.0.0TonyMorris, chessai
diff (deprecated)20.01Diff and patch (bsd3, deprecated, library, unclassified)2018-05-120.1.0.0
diff-gestalt10.01A diff algorithm based on recursive longest common substrings (library, none)2015-11-080.2.0.0chrismwendt
diff-loc60.01Map file locations across diffs (data, library, mit)2022-12-100.1.0.0lyxia
diff-parse40.03A parser for diff file formats (agpl, library, parsing)2015-02-150.2.1mulby, vengefulpickle
diff330.01Perform a 3-way difference of documents (bsd3, data, library)2018-04-300.3.1OliverCharles
diffarray30.02DiffArray (bsd3, data-structures, library)2013-06-110.1.1AndreasAbel, IanLynagh
difference-monoid20.01 (library, mit, unclassified)2018-05-200.1.0.0
differential30.01Finds out whether an entity comes from different distributions (statuses). (bioinformatics, gpl, library, program)2021-02-050.2.0.1GregorySchwartz
diffmap (deprecated in favor of patience)20.01diff on maps (bsd3, data, deprecated, library)2018-06-180.1.0.0chessai
difftodo30.00Generate todo lists from source code (development, library, program)2016-09-100.2.0jml
digamma (deprecated in favor of math-functions)50.02A (deprecated) implementation of the digamma function (bsd3, deprecated, library, math)2016-04-131.0BenGamari
digest1050.025CRC32 and Adler32 hashes for bytestrings (bsd2, cryptography, library)2024-02-100.0.2.1EugeneKirpichov, teo
digest-pure22.03Pure hash functions for bytestrings (cryptography, library)2014-05-110.0.3DanielDeKok
digest-sig42.01Signature for digest (bsd3, cryptography, library)2020-05-030.1.0.0vmchale
digestive-bootstrap20.01Speed up form designing using digestive functors and bootstrap (library, mit, web)2016-11-300.3.0.0AlexanderThiemann
digestive-foundation-lucid20.01Speed up form designing using digestive functors and foundation (library, mit, web)2015-02-170.0.0.1athanclark
digestive-functors920.024A practical formlet library (bsd3, library, web)2020-05-090.8.4.2JasperVanDerJeugt
digestive-functors-aeson340.01Run digestive-functors forms against JSON (gpl, json, library, web)2019-02-161.1.27OliverCharles, nieled
digestive-functors-blaze100.03Blaze frontend for the digestive-functors library (bsd3, library, web)2017-12-260.6.2.0JasperVanDerJeugt
digestive-functors-happstack270.01Happstack backend for the digestive-functors library (bsd3, library, web)2020-05-090.6.1.3JasperVanDerJeugt
digestive-functors-heist310.03Heist frontend for the digestive-functors library (bsd3, library, web)2018-07-230.8.8.1JasperVanDerJeugt
digestive-functors-hsp90.01HSP support for digestive-functors (bsd3, library, web)2012-04-240.5.0JeremyShaw
digestive-functors-lucid80.03Lucid frontend for the digestive-functors library (bsd3, library, web)2017-07-240.0.0.5MichaelXavier, athanclark
digestive-functors-scotty90.01Scotty backend for the digestive-functors library (bsd3, library, web)2014-07-140.2.0.2MartinsMacs
digestive-functors-snap70.03Snap backend for the digestive-functors library (bsd3, library, web)2018-07-230.7.0.1JasperVanDerJeugt
digit102.012A data-type representing digits 0-9 and other combinations (bsd3, data, library)2023-11-090.15TonyMorris, qfpl
digitalocean-kzs50.01digitalocean api for haskell (library, mit, web)2015-06-280.1.0.3KazumaSATO
digits130.08Converts integers to lists of digits and back. (bsd3, data, library)2016-07-080.3.1HenryBucklow
digraph90.00Directed Graphs (bsd3, data, library, mathematics)2023-02-030.3.0larsk, fosskers
dijkstra-simple30.00A simpler Dijkstra shortest paths implementation (bsd3, dijkstra, graph, library)2020-06-270.1.0gdifolco
dimensional132.511Statically checked physical dimensions (bsd3, library, math, physics)2024-10-251.6.1BjornBuckwalter, dmcclean, LaurentRDC
dimensional-codata60.01CODATA Recommended Physical Constants with Dimensional Types (bsd3, library, physics)2021-05-012014.0.0.3BjornBuckwalter, dmcclean
dimensional-tf (deprecated in favor of dimensional)50.03Statically checked physical dimensions, implemented using type families. (bsd3, deprecated, library, math, physics)2016-12-070.3.0.4BjornBuckwalter
dimensions50.06Safe type-level dimensionality for multidimensional data. (bsd3, geometry, library, math)2021-04-042.1.1.0achirkin
dingo-core30.02Dingo is a Rich Internet Application platform based on the Warp web server. (library, mit, web)2012-02-060.2.0BardurArantsson
dingo-widgets60.01Dingo Widgets (library, mit, web)2012-02-060.2.0BardurArantsson
dino40.00A convenient tagless EDSL (bsd3, language, library)2022-05-270.1.3EmilAxelsson
diophantine10.01A quadratic diophantine equation solving library. (gpl, library, math)2014-11-240.2.1.0joejev
diplomacy20.00Diplomacy board game (bsd3, games, library)2017-11-100.2.0.0alexvieth
dir-traverse270.07Simple directory traversal library (bsd3, directory, library, system)2020-10-010.2.3.0vmchale
direct-binary-files20.01Serialization and deserialization monads for streams and ByteStrings. (bsd3, data, library)2012-12-101.0IreneKnapp
direct-daemonize70.03Library to switch to daemon mode using built-in OS facilities. (bsd3, library, system)2013-02-193.1IreneKnapp
direct-fastcgi30.02Native implementation of the FastCGI protocol. (bsd3, library, network)2011-02-081.0.3IreneKnapp
direct-http20.01Native webserver that acts as a library. (bsd3, library, network)2013-02-220.6IreneKnapp
direct-murmur-hash60.02An implementation of the MurmurHash3 algorithm (bsd3, data, library)2015-02-241.0.1IreneKnapp, dmbarbour
direct-plugins20.01Lightweight replacement for Plugins, specific to GHC (bsd3, library, system)2010-03-161.1IreneKnapp
direct-rocksdb60.01Bindings to RocksDB. (bsd3, database, library)2017-11-080.0.3terrorjack
direct-sqlite1772.519Low-level binding to SQLite3. Includes UTF8 and BLOB support. (bsd3, database, library)2024-01-232.3.29IreneKnapp, JanneHellsten, sigrlami, jchia
directed-cubical50.01Finite directed cubical complexes and associated algorithms (bsd3, library, math)2014-06-080.1.2.0mmisamore
directory2731.251894Platform-agnostic library for filesystem operations (bsd3, library, system)2024-10-111.3.9.0AustinSeipp, HerbertValerioRiedel, IanLynagh, Rufflewind
directory-contents22.00Recursively build, navigate, and operate on a tree of directory contents. (bsd3, library, program, system)2024-01-300.2.0.2abrar
directory-layout110.01Directory layout DSL (bsd3, library, system, testing)2014-08-310.7.4.1MatveyAksenov
directory-listing-webpage-parser90.00directory listing webpage parser (bsd3, library, text)2016-05-130.1.1.0sifmelcara
directory-ospath-streaming620.00Stream directory entries in constant memory in vanilla IO (apache, file, library, streaming)2025-03-150.2.2SergeyVinokurov
directory-tree432.2519A simple directory-like tree datatype, with useful IO functions (bsd3, data, library, system)2016-09-050.12.1BrandonSimmons
dirfiles20.01 (bsd3, data, library)2014-09-250.1.0.9HugoGomes
dirforest20.01Typed directory forest (library, mit, unclassified)2023-02-250.1.0.0Norfair
dirichlet100.02Multivariate Dirichlet distribution (bsd3, library, math)2022-07-100.1.0.7dschrempf
dirstream20.04Easily stream directory contents in constant memory (bsd3, library, pipes, system)2018-10-011.1.0GabrielGonzalez
dirtree60.00A small library for working with directories. (library, mit, system)2020-04-280.1.3kalhauge
disassembler70.02Disassembler for X86 & AMD64 machine code (bsd3, development, disassembler, library)2015-05-260.2.0.1DirkKleeblatt, MartinGrabmueller
disco10.00Functional programming language for teaching discrete math. (bsd3, language, library, program)2025-01-220.2BrentYorgey
discogs-haskell10.01Client for Discogs REST API (library, mit, web)2016-04-020.0.5.0accraze
discokitty40.00DisCoCat implementation. (gpl, language, library)2019-05-130.1.0mroman42
discord-gateway20.01An API wrapper for Discord in Haskell (library, mit, network)2017-06-170.2.2jkoike
discord-haskell822.52Write bots for Discord in Haskell (library, mit, network, program)2024-10-291.17.1Aquarial, yutotakano, annwan, BenjaminMcRae
discord-haskell-voice172.250Voice support for discord-haskell. (discord, library, mit, network, program, udp)2025-03-033.0.0yutotakano
discord-hs21.51An API wrapper for Discord in Haskell (library, mit, network)2017-06-170.4.2jkoike
discord-register20.00Discord verification bot (library, mpl, program, web)2021-06-020.0.2HughSipiere
discord-rest10.01An API wrapper for Discord in Haskell (library, mit, network)2017-06-170.2.2jkoike
discord-types40.03Type information for discord-hs (library, mit, network)2017-06-170.2.2jkoike
discordian-calendar10.01library for handling Discordian calendar dates (bsd3, date, library)2013-03-270.1AdamCurtis
discount80.01Haskell bindings to the discount Markdown library. (library, mit, text)2012-10-120.1.1PatrickHurst
discover-instances70.02 (bsd3, library, unclassified)2021-08-240.1.0.0parsonsmatt
discrete10.01replacement for enum (bsd3, data, library)2018-09-170.1.0.0chessai
discrete-intervals70.01Discrete Intervals (bsd3, data, library)2017-12-170.0.3chessai
discrete-space-map80.01A discrete space map. (bsd3, data, library)2016-02-130.0.5SjoerdVisscher
discrimination202.56Fast generic linear-time sorting, joins and container construction. (bsd3, data, library, sorting)2022-06-150.5AnthonyCowley, EdwardKmett, phadej, ryanglscott, GeorgeWilson
disjoint-containers132.01Disjoint containers (bsd3, library, web)2024-02-050.3.0.1andrewthad, l3c_amartin
disjoint-set40.01Persistent disjoint-sets, a.k.a union-find. (bsd3, data, library)2012-10-150.2MaxwellSayles
disjoint-set-stateful50.01Monadic disjoint set (data, library, mit)2017-04-230.1.1.0clinton
disjoint-sets-st40.01Imperative ST/IO based disjoint set data structure. (bsd3, data-structures, library)2013-05-290.1PetrPudlak
disk-bytes20.00On-disk storage, but referentially transparent (bsd3, library, memory)2022-09-250.1.0.0HeinrichApfelmus
disk-free-space170.03Retrieve information about disk space usage (bsd3, filesystem, library, system)2015-01-050.1.0.1MariosTitas
diskhash52.01Disk-based hash table (data, library, mit)2019-11-110.0.4.2luispedro
display40.01Display things for humans to read (bsd3, library, text)2018-02-070.0.1ChrisDone
display-haskell-do (deprecated)30.01A display API for HaskellDO (deprecated, ide, library)2017-02-210.1.0.0kitfreddura
disposable (deprecated in favor of glazier-react)50.02Allows storing different resource-releasing actions together. (bsd3, control, deprecated, library)2018-07-021.0.0.0louispan
dist-upload20.01Generate/Upload cabal package to Hackage. (distribution, gpl, library, program)2010-11-240.0.4AndyStewart
distance10.01Useful distance datatype and functions (library, mit, web)2017-01-070.1.0.0AlexanderThiemann
distance-of-time40.01Generate readable distances between times. (library, mit, time)2017-02-060.1.2.0joshuaclayton
distributed-closure232.07Serializable closures for distributed programming. (bsd3, control, library, program)2023-11-270.5.0.0AlpMestanogullari, FacundoDominguez, MathieuBoespflug
distributed-fork (deprecated)110.01Like 'forkIO', but uses remote machines instead of local threads. (bsd3, control, deprecated, library)2018-06-150.0.1.3utdemir
distributed-fork-aws-lambda (deprecated)80.01AWS Lambda backend for distributed-fork. (bsd3, control, deprecated, library)2018-06-150.0.2.0utdemir
distributed-process962.530Cloud Haskell: Erlang-style concurrency in Haskell (bsd3, control, library)2025-02-050.7.8EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd, JoelMcCracken
distributed-process-async430.06Cloud Haskell Async API (bsd3, control, library)2025-02-050.2.11FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd
distributed-process-azure30.01Microsoft Azure backend for Cloud Haskell (bsd3, control-, library)2012-11-050.1.0EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-client-server370.09The Cloud Haskell Application Platform (bsd3, control, library)2025-02-050.2.8.0FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd
distributed-process-ekg20.01Collect node stats for EKG (bsd3, library, network, system)2016-03-100.1.1.0AlexanderBondarenko
distributed-process-execution220.02Execution Framework for The Cloud Haskell Application Platform (bsd3, control, library)2025-02-050.1.5.0FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd
distributed-process-extras340.011Cloud Haskell Extras (bsd3, control, library)2025-02-050.3.9FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd
distributed-process-fsm20.01The Cloud Haskell implementation of Erlang/OTP gen_statem (bsd3, control, library)2017-03-260.0.1TimWatson, LaurentRDC, davidsd
distributed-process-lifted60.02monad-control style typeclass and transformer instances for Process monad. (bsd3, cloud-haskell, control, library)2018-02-250.3.0.1jeremyjh
distributed-process-monad-control160.03Orphan instances for MonadBase and MonadBaseControl. (bsd3, control, library)2017-09-070.5.1.3jeremyjh
distributed-process-p2p90.03Peer-to-peer node discovery for Cloud Haskell (bsd3, library, network, program)2018-12-030.1.5.0AlexanderBondarenko
distributed-process-platform (deprecated in favor of distributed-process-extras, distributed-process-async, distributed-process-client-server, distributed-process-registry, distributed-process-supervisor, distributed-process-task, distributed-process-execution)40.02The Cloud Haskell Application Platform (bsd3, control, deprecated, library)2014-06-130.1.0FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-registry80.01Cloud Haskell Extended Process Registry (bsd3, control, library)2016-02-180.1.0.2FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-simplelocalnet591.56Simple zero-configuration backend for Cloud Haskell (bsd3, control, library)2025-02-050.3.3EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd
distributed-process-supervisor200.04Supervisors for The Cloud Haskell Application Platform (bsd3, control, library)2025-02-050.2.4FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd
distributed-process-systest140.01Cloud Haskell Test Support (bsd3, cloud-haskell, control, library)2025-02-050.4.2TimWatson, LaurentRDC, davidsd
distributed-process-task90.02Task Framework for The Cloud Haskell Application Platform (bsd3, cloud-haskell, control, library)2016-02-180.1.2.2FacundoDominguez, MathieuBoespflug, TimWatson
distributed-process-tests200.01Tests and test support tools for distributed-process. (bsd3, cloud-haskell, control, library)2025-02-050.5.2FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd
distributed-process-zookeeper60.01A Zookeeper back-end for Cloud Haskell. (bsd3, cloud-haskell, control, library)2017-09-090.2.3.0jeremyjh
distributed-static440.09Compositional, type-safe, polymorphic static values and closures (bsd3, control, library)2024-09-030.3.11EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd, JoelMcCracken
distribution42.02Finite discrete probability distributions. (apache, library, math)2017-06-291.1.1.0RomainEdelmann
distribution-nixpkgs200.04Types and functions to manipulate the Nixpkgs distribution (bsd3, distribution, library, nix)2024-12-011.7.1.1PeterSimons, sternenseemann, jophish, cdepillabout, maralorn, expipiplus1
distribution-opensuse120.00Types, functions, and tools to manipulate the openSUSE distribution (bsd3, distribution, library, program)2023-03-301.1.4PeterSimons
distribution-plot20.01Easily plot distributions from the distribution package.. (apache, library, math)2014-08-041.0.0.0RomainEdelmann
distributive1112.088Distributive functors -- Dual to Traversable (bsd3, data-structures, library)2020-12-300.6.2.1EdwardKmett, EricMertens, ryanglscott
distributors170.00Unifying Parsers, Printers & Grammars (bsd3, library, optics, parsing, profunctors, unclassified)2025-03-180.1.0.3echatav
ditto52.03ditto is a type-safe HTML form generation and validation library (bsd3, library, web)2022-08-210.4.1goolord
ditto-lucid80.02Add support for using lucid with Ditto (bsd3, library, web)2019-08-220.4goolord
diversity110.03Quantify the diversity of a population (bioinformatics, gpl, library, program)2017-09-010.8.1.0GregorySchwartz
dixi30.00A wiki implemented with a firm theoretical foundation. (bsd3, library, program, web)2016-11-290.6.9.2LiamOConnorDavis
djembe10.01Hit drums with haskell (library, mit, sound)2016-01-200.1.1.2ReedRosenbluth
djinn-ghc40.02Generate Haskell code from a type. Bridge from Djinn to GHC API. (bsd3, language, library)2015-01-110.0.2.3AlejandroSerrano
djinn-lib90.02Generate Haskell code from a type. Library extracted from djinn package. (bsd3, language, library)2022-05-210.0.1.4AlejandroSerrano
djinn-th20.01Generate executable Haskell code from a type (bsd3, language, library)2010-08-030.0.1ClaudeHeilandAllen
djot620.01Parser and renderer for djot light markup syntax. (library, mit, program, text)2024-10-050.1.2.2JohnMacFarlane
dlist1232.0235Difference lists (bsd3, data, library)2020-07-181.0DonaldStewart, SeanLeather
dlist-instances220.03Difference lists instances (bsd3, data, library)2016-07-230.1.1.1GregWeber, MichaelSnoyman, SeanLeather
dlist-nonempty60.02Non-empty difference lists (bsd3, data, library)2023-04-120.1.3phadej
dmc50.01cmd for common cases (command-line, library, public-domain, system)2020-02-101.2procione
dmcc40.00AVAYA DMCC API bindings and WebSockets server for AVAYA (bsd3, library, network, program)2020-02-051.1.0.2DmitryDzhus
dmenu30.00Complete bindings to the dmenu and dmenu2 command line tools. (bsd3, library, system)2017-01-190.3.1.1m0rphism
dns492.013DNS library in Haskell (bsd3, library, network)2023-06-304.2.0KazuYamamoto
dns-patterns40.00DNS name parsing and pattern matching utilities (bsd3, library, network)2024-08-150.3.1dminuoso
dnscache20.02Caching DNS resolver library and mass DNS resolver utility (bsd3, library, network, program)2012-01-031.1.0ErtugrulSoeylemez, esz
dnsrbl20.01Asynchronous DNS RBL lookup (bsd3, library, network)2008-08-160.0.3HoldenKarau
dnssd10.01DNS service discovery bindings (bsd3, library, network)2014-03-050.1.0.0MaxwellSwadling
do-list80.01Do notation for free (bsd3, data, library, list, syntax)2016-09-191.0.1TarasSerduke
do-notation70.01Generalize do-notation to work on monads and indexed monads simultaneously. (bsd3, language, library)2018-09-090.1.0.2isovector
do-notation-dsl (deprecated in favor of control-dsl)30.01An alternative to monads (bsd3, control, deprecated, dsl, effect, general, io, language, library, mutable-state, polymorphism)2018-10-020.1.0.3yangbo
do-spaces20.00DigitalOcean Spaces API bindings (bsd3, library, network)2021-07-250.2RoryTylerHayford
dobutok (deprecated in favor of dobutokO)10.00Creates the time intervals for CLI changing messages on the screen. (cli, deprecated, library, mit)2020-02-150.1.0.2OleksandrZhabenko
dobutokO40.00The library is intended to print updated messages on the terminal screen. (cli, library, mit)2020-05-140.3.2.0OleksandrZhabenko
dobutokO-effects90.00A library to deal with SoX effects and possibilities (library, mit, music, sound, sox)2022-08-130.13.1.0OleksandrZhabenko
dobutokO-frequency50.01Helps to create experimental music. Working with frequencies and types. (library, mit, sound, sox)2022-08-130.1.2.0OleksandrZhabenko
dobutokO-poetry60.00Helps to order the 7 or less Ukrainian words to obtain somewhat suitable for poetry or music text (Ukrainian, game, language, library, mit, phonetic-languages, poetry, program, uniqueness)2020-09-070.17.0.0OleksandrZhabenko
dobutokO-poetry-general50.02Helps to order the 7 or less words (first of all the Ukrainian ones) to obtain somewhat suitable for poetry or music text (game, language, library, mit)2020-08-160.1.0.0OleksandrZhabenko
dobutokO-poetry-general-languages80.00Helps to order the 7 or less words to obtain somewhat suitable for poetry or music text (game, language, library, mit, uniqueness, uniquenessPeriods)2020-08-180.2.0.0OleksandrZhabenko
dobutokO2270.02Helps to create experimental music from a file (or its part) and a Ukrainian text. (Ukrainian, algorithmic-composition, language, library, mit, music, program, rhythm, sound, sox, timbre, tonality)2025-02-240.45.2.0OleksandrZhabenko
dobutokO330.00Helps to create more complex experimental music from a file (especially timbre). (library, mit, music, rhythm, sound, sox, timbre)2020-08-160.3.0.0OleksandrZhabenko
dobutokO450.00Helps to create experimental music. Uses SoX inside. (algorithmic-composition, library, mit, sound, sox)2020-08-160.8.0.0OleksandrZhabenko
docker82.02An API client for docker written in Haskell (bsd3, library, network)2022-06-170.7.0.1denibertovic
docker-build-cacher190.00Builds a docker image and caches all of its intermediate stages (bsd3, library, operations, program)2018-09-122.1.1lorenzo
dockercook20.01A build tool for multiple docker image layers (development, library, mit, program)2016-09-120.5.0.3AlexanderThiemann
dockerfile60.01A Haskell DSL for generating Dockerfiles (data, library, mit)2018-09-140.2.0ChristopherReichert
dockerfile-creator40.00 (bsd3, library, unclassified)2021-07-020.1.1.0lorenzo
doclayout930.011A prettyprinting library for laying out text documents. (bsd3, library, text)2024-09-090.5JohnMacFarlane
docopt142.256A command-line interface parser that will make you smile (console, library, mit)2024-02-260.7.0.8ryanartecona, martijnbastiaan, fullstackgjj, PeterLebbing
docrecords20.01Vinyl-based records with hierarchical field names, default values and documentation (cli, data, json, library, mit, options, parsing, records)2019-10-090.1.0.0YvesPares
docstrings30.01Docstrings for documentation in the repl (documentation, library, mit)2017-11-100.1.0.0dailectic
doctemplates1062.2511Pandoc-style document templates (bsd3, library, text)2024-09-090.11.0.1JohnMacFarlane
doctest1582.7514Test interactive Haskell examples (library, mit, program, testing)2025-02-170.24.0AndreasAbel, KazuYamamoto, SimonHengel, SoenkeHahn, jkarni, ryanglscott, quasicomputational
doctest-discover70.01Easy way to run doctests via cabal (library, program, public-domain, testing)2018-07-220.2.0.0karun012
doctest-discover-configurator (deprecated)30.01Easy way to run doctests via cabal (no aeson dependency, uses configurator instead) (deprecated, library, program, public-domain, testing)2014-12-120.1.0.6RickyElrod
doctest-driver-gen170.00Generate driver file for doctest's cabal integration (bsd3, library, program, testing)2023-11-290.3.0.8Hexirp
doctest-exitcode-stdio60.01Run doctest's in a Cabal.Test.exitcode-stdio environment (bsd3, library, testing)2020-09-220.0HenningThielemann
doctest-lib90.01Parts of doctest exposed as library (library, mit, testing)2024-05-120.1.1.1HenningThielemann
doctest-parallel262.00Test interactive Haskell examples (library, mit, testing)2024-04-150.3.1.1ChrisDornan, martijnbastiaan
doctest-prop (deprecated in favor of doctest)21.751Allow QuickCheck-style property testing within doctest. (deprecated, library, mit, testing)2015-05-050.2.0.1TakayukiMuranushi
docusign-base42.01Low-level bindings to the DocuSign API (bsd3, business, library)2018-10-250.0.1maerwald
docusign-base-minimal30.01Low-level bindings to the DocuSign API (only what is necessary for docusign-client) (bsd3, business, library)2018-11-280.0.1maerwald
docusign-client62.00Client bindings for the DocuSign API (bsd3, business, library)2019-06-110.0.3maerwald
docvim50.00Documentation generator for Vim plug-ins (development, library, mit, program)2016-06-260.3.2.1wincent
doi20.01Automatic Bibtex and fulltext of scientific articles (database, library, mit, program)2017-01-220.0.2johannesgerer
dojang10.00A cross-platform dotfiles manager (configuration, gpl, library, program)2023-11-250.1.0hongminhee
doldol60.00Flag packer & handler for flaggable data (bsd3, data, library)2019-07-220.4.1.2yongjoon
dollaridoos30.01A newtype for monetary values (bsd3, finance, library)2017-09-190.1.0.0frasertweedale, qfpl, GeorgeWilson
dom-events72.00DOM Events expressed as Haskell types (bsd3, library, web)2020-04-290.0.0.4mikesol
dom-lt350.04The Lengauer-Tarjan graph dominators algorithm. (algorithms, bsd3, graphs, library)2021-11-120.2.3MattMorrow, AndreasK
dom-parser80.01Simple monadic DOM parser (library, mit, xml)2024-01-303.2.0AlekseyUymanov, mniip, typeable
dom-selector30.02DOM traversal by CSS selectors for xml-conduit package (bsd3, library, web)2013-06-170.2.0.1nebuta
domain50.01Codegen helping you define domain models (idl, library, mit)2023-12-090.1.1.5NikitaVolkov
domain-aeson50.00Integration of domain with aeson (library, mit, unclassified)2023-12-140.1.1.2NikitaVolkov
domain-auth110.01Domain authentication library (bsd3, library, network)2024-04-040.2.4KazuYamamoto
domain-cereal50.00Integration of domain with cereal (library, mit, unclassified)2023-12-130.1.0.1NikitaVolkov
domain-core60.04Low-level API of "domain" (idl, library, mit)2023-12-090.1.0.4NikitaVolkov
domain-optics50.01Integration of domain with optics (library, mit, unclassified)2023-12-130.1.0.4NikitaVolkov
domaindriven22.00Batteries included event sourcing and CQRS (bsd3, library, web)2023-02-020.5.0tommyengstrom
domaindriven-core20.01Batteries included event sourcing and CQRS (bsd3, library, web)2023-02-020.5.0tommyengstrom
dominion20.01A simulator for the board game Dominion. (bsd3, game, library, program, simulation)2016-12-080.1.1.0AdityaBhargava
domplate30.01A simple templating library using HTML5 as its template language. (bsd3, library, text, web)2015-05-220.1.0.1AntonEkblad
dormouse-client30.00Simple, type-safe and testable HTTP client (bsd3, library, web)2024-09-040.3.0.0philcurzon
dormouse-uri30.01Library for type-safe representations of Uri/Urls (bsd3, library, web)2024-09-040.3.0.0philcurzon
dot70.02Datatypes and encoding for graphviz dot files (bsd3, data, graphics, graphs, library)2019-03-150.3andrewthad, chessai
dot-linker20.00Initial project template from stack (bsd3, library, program, util)2016-06-270.1.0.0pjrt
dotenv290.06Loads environment variables from dotenv files (configuration, library, mit, program)2024-02-030.12.0.0jsl, jpvillaisaza, stackbuilders, sestrella, camm, dbalseiro
dotenv-micro30.00Tiny dotenv library (bsd3, configuration, library)2023-07-160.1.0.1ocramz
dotfs10.01Filesystem to manage and parse dotfiles (bsd3, library, program, system)2012-04-210.1.1.3PaulVanDerWalt
dotgen250.013A simple interface for building .dot graph files. (bsd3, library, text)2020-06-160.4.3AndyGill, ryanglscott
dotnet-timespan60.01.NET TimeSpan (bsd3, data, library)2016-03-130.0.1.0YorickLaupa
dotparse70.01dot language parsing and printing. (bsd3, graphics, library)2025-01-120.1.2.1tonyday567
double-conversion1150.034Fast conversion between single and double precision floating point and text (bsd2, library, text)2024-02-112.0.5.0BryanOSullivan, Haskell_Mouse
double-extra40.01Missing presentations for Double numbers (fixed, scientific etc.) (bsd3, library)2017-05-020.1.1tolysz
double-metaphone60.02Haskell bindings to a C double-metaphone implementation. (data, library)2016-03-080.0.2ChristianMarie
double-x-encoding40.01Encoding scheme to encode any Unicode string with only [0-9a-zA-Z_] (ascii, codec, codecs, decoding, encoding, graphql, library, unicode)2024-04-151.2.1adrian
doublezip60.01Some special functions to work with lists (with zip). (data, library, mit)2021-02-240.1.0.0OleksandrZhabenko
doublify-toolkit30.01Doublify API toolkit for Haskell (api, library, mit)2017-04-030.0.1fdhadzh
dove70.01The Dove verification language. (bsd3, formal-methods, language, library)2015-04-280.0.0TomHawkins
dovetail20.01A PureScript interpreter with a Haskell FFI. (bsd3, language, library)2021-11-180.1.1.0PhilFreeman
dovetail-aeson20.00Use Aeson from your Dovetail programs (bsd3, language, library)2021-11-130.1.0.0PhilFreeman
dovin30.00A proof assistant for Magic: The Gathering puzzles. (bsd3, games, library, program)2021-01-023.0.1xaviershay
downhill32.00Reverse mode automatic differentiation (library, math, mit)2023-03-040.4.0.0andriusstank
download32.03High-level file download based on URLs (bsd3, library, network)2019-03-020.3.2.7DonaldStewart, MagnusTherning, psibi
download-curl50.012High-level file download based on URLs (bsd3, library, network)2012-03-060.1.4DonaldStewart, SoenkeHahn
downloader40.00A small, low-dependency library that provides turn-key file download over HTTP and HTTPS. (bsd3, file, library, network)2019-12-100.1.0.1deech
dozenal20.01A Haskell library for using Dozenal (Duodecimal - Base 12) numbers. (gpl, library, math)2015-04-110.1.0.0siddhanathan
dozens10.01dozens api library (library, mit, web)2015-06-120.1.1HirotomoMoriwaki
dph-base10.011Data Parallel Haskell common config and debugging functions. (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-lifted-base20.02Data Parallel Haskell common definitions used by other dph-lifted packages. (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-lifted-copy30.01Data Parallel Haskell lifted array combinators. (deprecated version) (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-lifted-vseg10.01Data Parallel Haskell lifted array combinators. (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-par20.02(deprecated) (bsd3, data-structures, library)2012-10-250.5.1.99BenLippmeier
dph-prim-interface20.03Data Parallel Haskell segmented arrays. (abstract interface) (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-prim-par30.08Data Parallel Haskell segmented arrays. (production version) (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-prim-seq20.04Data Parallel Haskell segmented arrays. (sequential implementation) (bsd3, data-structures, library)2012-10-250.7.0.1BenLippmeier
dph-seq40.02(deprecated) (bsd3, data-structures, library)2012-10-250.5.1.99BenLippmeier
dpkg10.01libdpkg bindings (debian, gpl, library)2012-07-050.0.3ClintAdams
dpor (deprecated in favor of dejafu)20.02A generic implementation of dynamic partial-order reduction (DPOR) for testing arbitrary models of concurrency. (deprecated, library, mit, testing)2016-06-060.2.0.0barrucadu
dr-cabal20.00See README for more info (development, library, mpl, profiling, program)2022-11-200.2.0.0shersh
drClickOn10.01Monadic FRP (frp, library, public-domain)2013-09-200.1AtzeVanDerPloeg
dragen20.01Automatic derivation of optimized QuickCheck random generators. (bsd3, library, testing)2018-10-190.1.0.0agustinmista
drama61.50Actor library for Haskell (bsd3, concurrency, library, program)2022-07-170.5.0.0evanrelf
draw-poker30.00playing draw poker (bsd3, game, library, program)2015-07-190.1.0.1outoftune
drawille40.01A port of asciimoo's drawille to haskell (gpl, library, system)2023-08-310.1.3.0yamadapc
dresdner-verkehrsbetriebe40.01Library and program for querying DVB (Dresdner Verkehrsbetriebe AG) (library, mit, network, program)2016-11-301.0.0meoblast001
drifter80.03Simple schema management for arbitrary databases. (database, library, mit)2021-01-260.3.0MichaelXavier, andrewrademacher
drifter-postgresql90.01PostgreSQL support for the drifter schema migration tool (database, library, mit)2017-12-250.2.1MichaelXavier
drifter-sqlite80.01SQLite support for the drifter schema migraiton tool (bsd3, database, library)2018-09-150.1.0.0MichaelXavier
drinkery50.01Boozy streaming library (bsd3, control, library)2018-07-180.4FumiakiKinoshita
driving-classes-plugin110.00Deriving without spelling out "deriving" (development, library, mit)2022-09-130.1.4.0lyxia
drmaa20.03A Haskell bindings to the DRMAA C library. (bsd3, language, library)2018-12-050.3.0kaizhang
drone30.00 (library, mit, unclassified)2020-03-281.1.0matsubara0507
dropbox (deprecated)50.00Dropbox API client (api, deprecated, library, mit, program)2020-10-230.0.4
dropbox-sdk20.01A library to access the Dropbox HTTP API. (library, mit, network-apis)2012-07-300.3.1KannanGoundan
drunken-bishop30.00An implementation of the Drunken Bishop visual fingerprinting algorithm (bsd3, cryptography, library)2020-06-200.1.0.0gdritter
ds-kanren10.01A subset of the miniKanren language (language, library, mit)2014-10-090.2.0.1jozefg
dsc10.01Helper functions for setting up Double Submit Cookie defense for forms (library, mit, web)2017-03-210.2.0qoelet
dsh-sql40.00SQL backend for Database Supported Haskell (DSH) (bsd3, database, library, program)2015-06-100.2.0.2AlexUlrich2
dsmc20.01DSMC library for rarefied gas dynamics (bsd3, library, physics)2012-11-240.1.0.1DmitryDzhus
dson20.01Haskell Doge Serialized Object Notation Parser (data, gpl, library)2019-05-270.3.0.1lcycon
dson-parsec10.01DSON parser. (data, library, mit)2014-06-230.4.1.1alvare
dsp132.02Haskell Digital Signal Processing (gpl, library, math, sound)2022-09-210.2.5.2HenningThielemann
dstring30.05Difference strings (bsd3, data, library)2012-09-230.4.0.4BasVanDijk
dsv20.00DSV (delimiter-separated values) (csv, library, mit, pipes, text)2022-03-141.0.0.3chris_martin, Monoid_Mary
dtab50.01Harmonix (Guitar Hero, Rock Band) DTA/DTB metadata library (bsd3, data, library, program)2021-02-231.2mtolly
dtd (deprecated)20.01Parse and render DTD files (deprecated) (bsd3, deprecated, library, text)2014-03-261.1.0.2MichaelSnoyman
dtd-text20.02Parse and render XML DTDs (bsd3, data, library, parsing, text, xml)2014-01-080.1.2.0YitzGale, M15K
dtd-types40.03Basic types for representing XML DTDs (bsd3, data, library, text, xml)2018-11-030.4.0.0YitzGale, M15K
dtrace30.01Haskell interface to the DTrace system tracing utility (bsd3, library, system)2009-09-240.1AaronTomb
dtw20.01(Fast) Dynamic Time Warping (algorithms, data-mining, library, machine-learning, mit)2016-07-211.0.3.0fho
dual (deprecated)80.05Dual category (bsd3, deprecated, library, math)2020-01-200.1.1.1
dual-tree340.05Rose trees with cached and accumulating monoidal annotations (bsd3, data, library)2022-08-170.2.3.1BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
dualizer20.00Automatically generate dual constructions. (categories, library)2019-01-050.1.0.1sellout
dublincore-xml-conduit130.01XML streaming parser/renderer for the Dublin Core standard elements. (data, library, public-domain)2023-08-110.1.0.3koral
duckdb-haskell60.00Haskell bindings for duckdb. (database, library, mit)2023-10-220.1.0.0sighingnow
duckling30.00A Haskell library for parsing text into structured data. (bsd3, library, program, systems)2021-04-150.2.0.0patapizza, JonCoens, chessai, haoxuany
duet20.00A tiny language, a subset of Haskell (with type classes) aimed at aiding teachers to teach Haskell (bsd3, library, program, unclassified)2019-11-180.0.2ChrisDone
dumb-cas20.02A computer “algebra” system that knows nothing about algebra, at the core. (gpl, library, math)2023-01-270.2.1.1leftaroundabout
dump42.01Dumps the names and values of expressions to ease debugging. (development, library, mit, quasiquotes)2015-07-240.2.8Wizek
dump-core30.07A plug-in for rendering GHC core (development, library)2021-11-280.1.4IavorDiatchki
dunai330.07Generalised reactive framework supporting classic, arrowized and monadic FRP. (bsd3, frp, library, reactivity)2025-02-280.14.1IvanPerez, keera_studios_ci, keera_studios_ci_dunai
dunai-core20.01Generalised reactive framework supporting classic, arrowized and monadic FRP. (Core library fork.) (bsd3, frp, library, reactivity)2018-10-210.5.1.0turion
dunai-test230.00Testing library for Dunai (bsd3, library, testing)2025-02-280.14.1IvanPerez
dupIO20.00Duplicate any closure (bsd3, development, library)2023-08-310.1.0EdskoDeVries
duplo (deprecated)80.01Frontend development build tool (deprecated, library, mit, program, web)2015-02-241.8.1kenhkan
dura20.00durable/atomic file system writes (from rio package) (bsd3, library, system)2019-04-160.1chessai
duration90.01A tiny compile-time time utility library inspired by zeit/ms (bsd3, library, time)2021-03-130.2.0.0ryotakameoka
dustme40.00Initial project template from stack (bsd3, library, program, web)2016-06-130.1.0.0MarkWotton
dvda (deprecated in favor of dynobud)30.01Efficient automatic differentiation and code generation (bsd3, deprecated, library, math, numerical)2014-04-050.4GregHorn
dvdread10.01A monadic interface to libdvdread (gpl, library, system)2011-09-300.1NicolaSquartini
dvi-processing30.01Read/write DVI and TFM file (graphics, library, public-domain, typography)2014-02-200.3.1AaronBlack, JeanPhilippeBernardy
dvorak20.01Dvorak encoding for Haskell. (bsd3, codec, library)2014-11-180.1.0.0KyleVanBerendonck
dwarf20.03Parser for DWARF debug format. (bsd3, data, library)2010-03-210.23ErikCharlebois
dwarf-el30.02Parser for DWARF debug format. (bsd3, data, library)2018-03-180.3EyalLotem
dwarfadt20.01High-level wrapper around the dwarf library (bsd3, development, library, program)2018-03-180.6EyalLotem
dwergaz210.01A minimal testing library (library, testing)2025-02-270.3.0.2henrytill
dx9base10.03Backend for a binding to the Microsoft DirectX 9 API. (bsd3, graphics, library)2011-09-030.1.1KidoTakahiro
dx9d3d10.02A binding to the Microsoft DirectX 9 API. (bsd3, graphics, library)2011-12-070.1.1.1KidoTakahiro
dx9d3dx10.01A binding to the Microsoft DirectX 9 D3DX API. (bsd3, graphics, library)2011-09-030.1.1KidoTakahiro
dyckword20.01A library for working with binary Dyck words. (bsd3, library, math)2017-05-010.1.0.4arbelos
dyepack20.00Programatically identify space leaks in your program. (bsd3, library, unclassified)2019-08-250.1.0.0mpickering, luke_
dyna10.03Minimal FRP library (bsd3, frp, library)2022-04-170.1.0.0AntonKholomiov
dyna-brick20.00FRP for brick Terminal user interface library (bsd3, frp, library, tui)2022-04-170.1.0.0AntonKholomiov
dyna-gloss30.00FRP for gloss graphics and animation library (bsd3, frp, graphics, library)2022-04-170.1.0.0AntonKholomiov
dyna-processing10.00FRP library for processing-for-haskell package (bsd3, frp, graphics, library)2022-04-170.1.0.0AntonKholomiov
dynamic50.00A dynamic type for Haskell (bsd3, development, library)2019-04-060.1.0ChrisDone
dynamic-cabal50.02Access the functions from the Cabal library without depending on it (bsd3, distribution, library)2015-03-290.3.5BennoFuenfstueck
dynamic-graph50.02Draw and update graphs in real time with OpenGL (bsd3, graphics, library)2019-07-210.1.0.13adamwalker
dynamic-graphs20.00Dynamic graph algorithms (bsd3, data, library)2019-01-230.1.0.3AlexLang, JasperVanDerJeugt
dynamic-linker-template100.01Automatically derive dynamic linking methods from a data type. (bsd3, library, system)2016-10-110.1.1.0SylvainHenry
dynamic-loader40.01lightweight loader of GHC-based modules or packages (bsd3, library, system)2016-08-250.0.1GaborGreif
dynamic-mvector70.01A wrapper around MVector that enables pushing, popping and extending. (bsd3, data, library)2017-03-100.1.0.5AndrasKovacs
dynamic-object30.01Object-oriented programming with duck typing and singleton classes. (bsd3, data, library)2013-01-150.2.1TakayukiMuranushi
dynamic-pipeline160.00Library Type Safe implementation of Dynamic Pipeline Paradigm (DPP). (bsd3, data, data-flow, library, parallel, pipes, program, streaming, type-safe)2021-08-010.3.2.0jproyo
dynamic-plot110.01Interactive diagram windows (gpl, graphics, library)2022-04-170.4.2.0leftaroundabout
dynamic-pp10.01A pretty-print library that employs a dynamic programming algorithm for optimal rendering. (bsd3, library, text)2015-07-190.2.0emc2
dynamic-state280.03Optionally serializable dynamic state keyed by type (data, gpl, library, yi)2025-02-270.3.2DmitryIvanov, MarcelFourne, MateuszKowalczyk, fread2281, JaroReinders
dynamodb-simple60.01Typesafe library for working with DynamoDB database (bsd3, database, library)2019-05-170.6.0.2ondrap
dynloader20.01Dynamically runtime loading packages (bsd3, library, system)2018-11-160.1.0taqenoqo
dynobud50.01your dynamic optimization buddy (lgpl, library, science)2015-11-181.9.1.0GregHorn
dyre180.020Dynamic reconfiguration in Haskell (bsd3, configuration, development, library)2023-05-180.9.2WillDonnelly, frasertweedale
dywapitchtrack10.01Bindings to the dywapitchtrack pitch tracking library (library, mit, sound)2015-10-070.1.0.1lortabac
dzen-dhall50.00Configure dzen2 bars in Dhall language (bsd3, library, program, unclassified)2020-02-181.0.2klntsky
dzen-utils40.01Utilities for creating inputs for dzen. (library, system)2012-05-310.1.1FelipeLessa, javran, ianclement
e11y20.01An event-oriented observability library (apache, library, observability)2024-01-160.1.0.0shlevy
e11y-otel10.00OpenTelemetry-based rendering for e11y (apache, library, observability)2024-01-160.1.0.0shlevy
each22.251Template Haskell library for writing monadic expressions more easily (bsd3, language, library)2018-11-301.1.1.0dramforever, ice1000
eager-sockets (deprecated)20.01Socket operations with timeouts (deprecated, library, network)2014-05-110.1ToralfWittner
eap60.01Extensible Authentication Protocol (EAP) (bsd3, library, network)2018-06-210.9.0.2erick
earclipper22.01Ear Clipping Triangulation (graphics, library, mit, program)2017-02-070.0.0.1zaidan
earcut20.01Binding to C++ earcut library. (library, math)2020-07-110.1.0.4DavidHimmelstrup, GeorgeThomas
early10.00Early return syntax in do-notation (GHC plugin) (bsd3, development, library, program)2021-01-060.0.0ChrisDone
ease30.01Robert Penner's easing equations (bsd3, game, library, math)2020-10-010.1.0.2fresheyeball
easy-api30.01Utility code for building HTTP API bindings more quickly. (library, mit, web)2013-11-220.1.0.0IanDuncan
easy-args40.00Parses command line arguments (lgpl, library, utilities)2020-11-190.1.0.1jlamothe
easy-bitcoin20.01types and functions for bitcoin applications (bsd3, library, network)2015-10-240.0.0.2AlejandroDuranPallares
easy-file790.07Cross-platform File handling (bsd3, library, system)2023-05-010.2.5KazuYamamoto
easy-logger52.01Logging made easy. (bsd3, library, logging)2022-01-020.1.0.7schnecki
easyjson10.01Haskell JSON library with an emphasis on simplicity, minimal dependencies, and ease of use. (library, mit, text)2014-08-100.1.0.1thinkpad20
easyplot50.02A tiny plotting library, utilizes gnuplot for plotting. (graphics, library, math, mit, plotting)2013-03-261.0JulianFleischer
easyrender100.05User-friendly creation of EPS, PostScript, and PDF files (gpl, graphics, library)2018-11-250.1.1.4PeterSelinger
easytensor40.02Pure, type-indexed haskell vector, matrix, and tensor library. (bsd3, geometry, library, math)2021-04-072.1.1.1achirkin
easytensor-vulkan50.01Use easytensor with vulkan-api. (bsd3, geometry, graphics, library, math, opengl, vulkan)2021-04-052.0.2.1achirkin
easytest40.02Simple, expressive testing library (library, mit, testing)2019-03-060.3joelb
ebeats30.01Time in ebeats (bsd3, library, time)2012-02-230.1.0BrianLewis
ebird-api22.02A Haskell description of the eBird API (library, mit, web)2023-12-160.2.0.0FinleyMcIlwaine
ebird-cli22.00A command-line utility for interacting with the eBird API. (library, mit, program, web)2023-12-170.3.0.1FinleyMcIlwaine
ebird-client32.01Client functions for querying the eBird API. (library, mit, web)2023-12-170.2.0.1FinleyMcIlwaine
ebml20.00A pure EBML parser (bsd3, codec, library, program)2023-01-290.1.1.0TristanCacqueray
ebnf-bff10.00Parser combinators & EBNF, BFFs! (ebnf, library, metalanguage, mit, parsing, program, text)2015-09-200.1.1.0Lokidottir
ec2-signature40.01The Amazon EC2 style signature calculator. (bsd3, library, network)2013-12-153.1YusukeNomura
eccrypto32.03Elliptic Curve Cryptography for Haskell (bsd3, cryptography, library)2025-02-120.2.3.2MarcelFourne
eccrypto-ed25519-bindings60.00provides "ed25519" API using "eccrypto" (bsd3, cryptography, library)2025-01-050.1.2.1MarcelFourne
ecdsa20.02Basic ECDSA signing implementation (crypto, library)2014-02-230.2StephenWeber
ech-config110.01Config for TLS Encrypted Client Hello (bsd3, library, network)2025-03-160.0.1KazuYamamoto
echo550.03A cross-platform, cross-console way to handle echoing terminal input (bsd3, library, system)2021-02-180.1.4ryanglscott
ecma26220.03A ECMA-262 interpreter library (bsd2, language, library, program)2014-12-120.0.0FabianBergmark
ecstasy70.01A GHC.Generics based entity component system. (bsd3, game, library)2018-05-150.2.1.0isovector
ecta22.01 (bsd3, library, program, unclassified)2022-07-271.0.0.3zhg
ecta-plugin62.00Hole-Fit Synthesis using ECTAs (compiler-plugin, library, mit)2022-09-150.1.1.3tritlo
ed25519-donna120.01Haskell bindings to ed25519-donna (Elliptical Curve Signature Scheme) (bsd3, cryptography, library)2016-02-110.1.1ThomasDuBuisson
ede430.05Templating language with similar syntax and features to Liquid or Jinja2. (library, mpl, program, template, text, web)2024-12-050.3.4.0BrendanHay
edenmodules30.03Semi-explicit parallel programming library (bsd3, control, distributed-computing, eden, library, parallelism)2014-04-061.2.0.0MischaDieterle, JostBerthold, horstmeyer
edenskel10.01Semi-explicit parallel programming skeleton library (bsd3, control.parallel.eden, library)2015-06-102.1.0.0MischaDieterle, JostBerthold, horstmeyer
edf20.00EDF parsing library (bsd2, codec, library)2019-12-301.0.0.0cbou
edges20.01Tools for efficient immutable graphs (graphs, library, mit)2018-08-310.11.0.3NikitaVolkov
edis10.01Statically typechecked client for Redis (database, library, mit)2015-12-210.0.1.0TingYenLai
edit10.01A monad for rewriting things. (bsd3, data, library)2018-09-031.0.1.0theindigamer
edit-distance480.024Levenshtein and restricted Damerau-Levenshtein edit distances (algorithms, bsd3, library)2015-07-120.2.2.1MaxBolingbroke, phadej
edit-distance-linear40.00Efficient implementation of the Levenshtein edit distance in linear memory. (algorithms, bsd3, library)2019-12-080.2.0.20xd34df00d
edit-distance-vector170.03Calculate edit distances and edit scripts between vectors. (algorithms, bsd3, data, data-structures, library)2016-05-241.0.0.4ThomasSutton
edit-lenses30.01Symmetric, stateful edit lenses (bsd3, data, library)2012-01-270.2DanielWagner
editable20.01Interactive editors for Generics (bsd2, data, library)2014-10-051.0.0.2MaxwellSwadling
editline40.05Bindings to the editline library (libedit). (bsd3, library, user-interfaces)2012-11-260.2.1.1JudahJacobson
editor-open100.02Open the user's $VISUAL or $EDITOR for text input. (apache, library, program, text)2015-05-190.6.0.0pharpend
edits10.00show the differences between 2 pieces of Text using the Levenshtein distance (data, library, mit)2022-09-240.1.1.0etorreborre
effect-handlers30.01A library for writing extensible algebraic effects and handlers. Similar to extensible-effects but with deep handlers. (control, library, mit)2016-04-280.1.0.8edofic, blambda
effect-monad22.01Embeds effect systems and program logics into Haskell using graded monads and parameterised monads (bsd3, control, library, monads)2018-01-240.8.1.0DominicOrchard
effect-stack20.00Reducing the pain of transformer stacks with duplicated effects (bsd3, control, library)2019-07-140.3DanielWagner
effectful402.758An easy to use, performant extensible effects library. (bsd3, control, library)2024-11-272.5.1.0arybczak
effectful-core402.2521An easy to use, performant extensible effects library. (bsd3, control, library)2024-11-272.5.1.0arybczak
effectful-plugin110.02A GHC plugin for improving disambiguation of effects. (bsd3, control, library)2024-10-081.1.0.4arybczak
effectful-st10.00`ST`-style mutation for `effectful`. (effectful, library)2022-09-120.0.0.1qrpnxz
effectful-th140.00Template Haskell utilities for the effectful library. (bsd3, control, library)2024-10-081.0.0.3arybczak
effectful-zoo160.01Effectful effects for testing (bsd3, development, library)2025-03-090.0.5.0haskellworks
effective-aspects20.01A monadic embedding of aspect oriented programming (aop, aspect-oriented-programming, language, library, monads)2014-01-150.1.0.0IsmaelFigueroa
effective-aspects-mzv30.01A monadic embedding of aspect oriented programming, using "Monads, Zippers and Views" instead of mtl. (aop, aspect-oriented-programming, language, library, monads)2014-04-160.1.0.1IsmaelFigueroa
effects60.02Computational Effects (bsd3, control, library, monads)2019-04-130.2.4SjoerdVisscher
effects-parser20.01Parser Effect for the Control.Effects Library (bsd3, control, library, monads)2013-09-150.1JesseMcDonald
effet30.00An Effect System based on Type Classes (bsd3, control, library)2020-12-240.4.0.0MichaelSzvetits
effin10.03A Typeable-free implementation of extensible effects (bsd3, control, effect, library)2017-08-030.3.0.3AnthonyVandikas
eflint40.00Simulation interpreter for FLINT policy descriptions (bsd3, language, library, program)2024-02-103.1.0.2ltvanbinsbergen
egison262.02Programming language with non-linear pattern-matching against non-free data (compilers-interpreters, library, mit, program)2021-12-184.1.3SatoshiEgi, momohatt
egison-pattern-src100.04Manipulating Egison patterns: abstract syntax, parser, and pretty-printer (bsd3, language, library, parser, pretty-printer)2020-11-030.2.1.2SatoshiEgi, coord_e, momohatt
egison-pattern-src-haskell-mode100.01Parser and pretty printer for Egison pattern expressions in Haskell source code (bsd3, language, library, parser, pretty-printer)2020-11-030.2.1.2SatoshiEgi, coord_e, momohatt
egison-pattern-src-th-mode90.02Parser and pretty printer for Egison pattern expressions to use with TH (bsd3, language, library, parser, pretty-printer, template-haskell)2020-11-030.2.1.2SatoshiEgi, coord_e, momohatt
egison-quote20.01A quasi quotes for using Egison expression in Haskell code (language, library, mit)2012-09-070.2TakuyaKuwahara
egyptian-fractions40.01Egyptian fractions in Haskell (bsd3, library, math)2018-06-250.1.0.2vmchale
ehlo20.00Minimalistic SMTP client for Haskell (library, mit, network)2022-07-090.1.0.0mordae
ehs10.01Embedded haskell template using quasiquotes. (language, library, mit, template, text)2015-03-150.7.0minpou
eibd-client-simple60.01EIBd Client (automation, gpl, library)2014-11-210.0.4vapourismo
eigen51.56Eigen C++ library (linear algebra: matrices, sparse matrices, vectors, numerical solvers). (algebra, algorithms, bsd3, data, library, math, numeric, statistics)2018-12-113.3.7.0OlegSidorkin, chessai
eio10.00IO with Exceptions tracked on the type-level (exceptions, io, library, mpl, program, qualifieddo)2021-03-200.0.0.0vrom911
either582.25286Combinators for working with sums (bsd3, control, library, monads)2022-05-085.0.2EdwardKmett, ryanglscott, GeorgeWilson
either-both (deprecated)40.01Either or both (bsd3, data, deprecated, library)2019-08-120.1.1.1
either-list-functions62.02Functions involving lists of Either (apache, data, library)2025-01-210.0.4.8chris_martin, Monoid_Mary
either-result90.01The simplest ‘MonadFail’ instance (apache, data, library)2020-08-160.3.1.0kakkun61
either-semigroup20.00Either with a stricter Semigroup instance (bsd2, data, library)2024-03-270.0.0melaniebrown
either-unwrap (deprecated in favor of either)50.022Functions for probing and unwrapping values inside of Either. (bsd3, data, deprecated, library)2009-11-301.1GregoryCrosswhite
eithers (deprecated in favor of either)40.01None (bsd3, deprecated, library, unclassified)2014-12-080.2.0
ejdb2-binding10.00Binding to EJDB2 C library, an embedded JSON noSQL database (database, library, mit)2021-04-030.3.0.2buro
ekg472.511Remote monitoring of processes (bsd3, library, network, system)2024-10-310.4.1.1JohanTibell, MikhailGlushenkov, ejconlon, BenjaminMcRae, haskell_github_trust
ekg-bosun40.01Send ekg metrics to a Bosun instance (bsd3, library, system)2019-02-161.0.15OliverCharles
ekg-carbon20.01An EKG backend to send statistics to Carbon (part of Graphite monitoring tools) (bsd3, library, unclassified)2018-12-281.0.11OliverCharles
ekg-cloudwatch32.01An ekg backend for Amazon Cloudwatch (bsd3, library, web)2017-10-190.0.1.6parsonsmatt
ekg-core420.038Tracking of system metrics (bsd3, library, system)2024-10-310.1.1.8JohanTibell, MikhailGlushenkov, ejconlon, BenjaminMcRae, haskell_github_trust
ekg-elastic (deprecated in favor of ekg-elasticsearch)20.01Push metrics to elastic (bsd3, deprecated, library, system)2017-04-100.2.2.0boothead
ekg-elasticsearch60.01Push metrics to elasticsearch (bsd3, library, system)2017-12-200.4.0.0boothead
ekg-influxdb40.01An EKG backend to send statistics to influxdb (bsd3, library, unclassified)2019-10-270.2.0.0angerman, ondrej
ekg-json520.02JSON encoding of ekg metrics (bsd3, distribution, library)2024-10-310.1.1.1JohanTibell, MikhailGlushenkov, ejconlon, BenjaminMcRae, haskell_github_trust
ekg-log40.01Push metrics to a log file. (bsd3, library, system)2015-10-100.1.0.4ParnellSpringmeyer
ekg-prometheus-adapter120.02Easily expose your EKG metrics to Prometheus (library, mit, web)2024-08-220.1.0.5AlfredoDiNapoli, MikolajKonarski
ekg-push10.01Small framework to push metric deltas to a broadcast channel using the ekg-core library. (bsd3, library, system)2015-06-060.0.3adarqui
ekg-rrd20.01Passes ekg statistics to rrdtool (bsd3, library, system)2015-01-090.2.1.69dcturner
ekg-statsd140.03Push metrics to statsd (bsd3, library, system)2024-10-310.2.6.1JohanTibell, MikhailGlushenkov, ejconlon, BenjaminMcRae, haskell_github_trust
ekg-wai290.02Remote monitoring of processes (bsd3, library, network, system)2025-02-050.1.2.0TvH
elasticsearch-interchange50.00Serialization of Elasticsearch requests and responses (bsd3, data, library)2023-05-310.2.0.0andrewthad
elbow20.01Find the elbow point. (gpl, library, math)2020-02-200.2.0.0GregorySchwartz
electrs-client20.00Electrs client library for Haskell (bitcoin, bsd3, electrs, finance, library, network, payments)2022-07-220.1.0.0coingaming
electrum-mnemonic80.01easy to remember mnemonic for a high-entropy value (gpl, library, natural-language-processing)2016-11-220.1.3JoeyHess
elenco-albero20.01make tree from a list (library, public-domain, tree)2017-07-081.0.0procione
elerea92.05A minimalistic FRP library (bsd3, frp, library, reactivity)2016-06-192.9.0GergelyPatai
elerea-sdl20.01Elerea FRP wrapper for SDL (data, library)2012-12-150.1.1StephenWeber
elevator20.04Immediately lifts to a desired level (bsd3, control, library)2015-04-010.2.3FumiakiKinoshita
elf90.04An Elf parser (bsd3, data, library)2021-10-080.31ErikCharlebois, wangbj
eliminators90.01Dependently typed elimination functions using singletons (bsd3, dependent-types, library)2024-12-300.9.6ryanglscott
elision30.00Arrows with holes. (bsd2, control, library, program)2016-02-180.1.3.2jacrough
elliptic-curve50.05Elliptic curve library (cryptography, library, mit)2019-09-270.3.0sdiehl
elliptic-integrals40.02Carlson Elliptic Integrals and Incomplete Elliptic Integrals (bsd3, library, math, numeric)2023-03-010.1.0.1stla
elm-bridge142.02Derive Elm types and Json code from Haskell types, using aeson's options (bsd3, compiler, language, library, web)2024-09-260.8.4AlexanderThiemann, SimonMarechal
elm-build-lib (deprecated)30.01Compile Elm code to JS within Haskell (bsd3, compiler, deprecated, language, library)2014-12-130.14.0.0jeremondi
elm-compiler (deprecated)32.03Values to help with elm-package, elm-make, and elm-lang.org. (bsd3, compiler, deprecated, language, library, program)2015-04-200.15EvanCzaplicki
elm-core-sources60.02Source files for the Elm runtime and standard libraries (bsd3, compiler, language, library)2014-12-111.0.0jeremondi
elm-export60.02A library to generate Elm types from Haskell source. (library, web)2017-01-310.6.0.1krisajenkins, domenkozar
elm-export-persistent80.01elm-export persistent entities (data, database, library, mit, web)2021-01-091.0.0WilliamCasarin
elm-get (deprecated in favor of elm-package)30.01Tool for sharing and using Elm libraries (bsd3, deprecated, language, library, program)2014-09-220.1.3EvanCzaplicki
elm-hybrid40.01Combine Elm with Haskell for data based applications (bsd3, library, web)2016-07-040.1.3.0matsrietdijk
elm-package (deprecated)30.01Package manager for Elm libraries (bsd3, deprecated, language, library, program)2015-04-200.5EvanCzaplicki
elm-street20.00Crossing the road between Haskell and Elm (compiler, elm, language, library, mpl, program)2024-05-160.2.2.1vrom911, HolmuskTechTeam
elm-syntax100.04Elm syntax and pretty-printing (bsd3, compiler, elm, language, library)2023-12-020.3.3.0OliverCharles, OlleFredriksson, GeorgeThomas, rickowens
elm-websocket20.00Generate ELM code from a Wai websocket application. (bsd3, library, program, web)2017-11-011.0rhyskeepence
elm-yesod20.01The Elm language Yesod compatibility module. (bsd3, library, web, yesod)2013-04-230.2VincentAmbo
elm2nix80.00Turn your Elm project into buildable Nix project (bsd3, library, program, unclassified)2024-09-230.4.0domenkozar
elmental20.00Generate Elm datatype definitions, encoders and decoders from Haskell datatypes. (bsd3, codegen, library, program)2024-06-050.1.0.2GaelDeest
elminator60.00Generate ELM types/encoders/decoders from Haskell types. (bsd3, code-generation, elm, library)2024-09-020.2.4.4sras
elo30.01Elo Rating Library (bsd3, library, web)2015-10-130.1.0markfine
elocrypt40.01Generate easy-to-remember, hard-to-guess passwords (cryptography, library, program)2019-12-162.1.0sgillespie
elsa10.00A tiny language for understanding the lambda-calculus (language, library, mit, program)2022-09-280.2.2.0ranjitjhala
elynx-markov80.01Simulate molecular sequences along trees (bioinformatics, gpl, library)2024-10-270.8.0.0dschrempf
elynx-nexus90.01Import and export Nexus files (bioinformatics, gpl, library)2024-10-270.8.0.0dschrempf
elynx-seq100.03Handle molecular sequences (bioinformatics, gpl, library)2024-10-270.8.0.0dschrempf
elynx-tools90.05Tools for ELynx (bioinformatics, gpl, library)2024-10-270.8.0.0dschrempf
elynx-tree130.04Handle phylogenetic trees (bioinformatics, gpl, library)2023-06-230.7.2.2dschrempf
ema50.03Static site generator library with hot reload (agpl, library, web)2023-08-090.10.2.0sridca
ema-extra20.00Useful route types for Ema (agpl, library, web)2022-11-200.10.0.0sridca
ema-generics10.01Generic deriving for Ema routes (agpl, library, web)2022-11-200.10.0.0sridca
emacs-keys20.01library to parse emacs style keybinding into the modifiers and the chars (library, parsing)2015-07-060.0.2.0cocreature
emacs-module80.01Utilities to write Emacs dynamic modules (apache, foreign, foreign-binding, library)2024-05-160.2.1.1SergeyVinokurov
email (deprecated)30.01Sending eMail in Haskell made easy (bsd3, deprecated, library, network)2011-10-250.1.1.2JohannesWeiss
email-header20.01Parsing and rendering of email and MIME headers (bsd3, library, network)2018-07-210.4.1KyleRaftogianis
email-postmark (deprecated in favor of postmark)20.01A simple wrapper to send emails via the api of the service postmark (http://postmarkapp.com/) (bsd3, deprecated, email, library)2012-03-310.2DanielPatterson
email-validate1362.2534Email address validation (bsd3, library, text)2024-09-212.3.2.21DonaldStewart, GeorgePollard
email-validate-json40.01Aeson instances for email-validate (bsd3, library, web)2016-05-160.1.0.0MarkWotton
emailaddress71.752Wrapper around email-validate library adding instances for common type classes. (bsd3, library, text)2016-11-120.2.0.0cdepillabout
emailparse40.01An email parser that will parse everything (bsd3, library, network)2018-06-170.2.0.10mkawalec
emanote40.00Emanate a structured view of your plain-text notes (agpl, library, program, web)2023-08-241.2.0.0sridca
embed-config20.00Reasonable conventions for embedding YAML configuration with Template Haskell (bsd3, configuration, library)2022-07-250.0.0.0carymrobbins
embeddock20.02Embed the values in scope in the haddock documentation of the module (bsd3, documentation, library, program)2013-06-020.3.0.1TakayukiMuranushi
embeddock-example10.01Example of using embeddock. (bsd3, documentation, library)2013-06-020.1TakayukiMuranushi
embla10.00execute actions periodically while avoiding drift (bsd3, library, utility)2019-05-030.1chessai
embroidery20.01support for embroidery formats in haskell (codec, gpl, library, program)2011-07-310.1JimSnavely
emd70.01Empirical Mode Decomposition and Hilbert-Huang Transform (bsd3, library, math)2019-10-310.2.0.0jle
emgm40.01Extensible and Modular Generics for the Masses (bsd3, generics, library)2011-09-210.4SeanLeather
emhell20.00Embedded shell (bsd3, embedded, library, program)2024-01-030.1.1.0srk
emoji32.02emoji utility (bsd3, library, program, unicode)2018-01-050.1.0.2nakaji_dayo
emojis660.04Conversion between emoji characters and their names. (bsd3, library, text)2024-06-180.1.4.1JohnMacFarlane
empty (deprecated)20.02Ceci n'est pas une package (acme, bsd3, deprecated, library)2010-01-099JohnMillikin
empty-monad10.01A container that always has no values. (bsd3, data, library)2017-02-020.1.0.1vadimvinnik
enchant20.01Binding to the Enchant library (bsd3, language, library)2016-06-220.1.0.0kseo
enclosed-exceptions302.023Catching all exceptions from within an enclosed computation (control, library, mit)2018-07-111.0.3MichaelSnoyman, jcristovao
encode-string20.01Safe string conversion and encoding (data, library, mit, string, text)2017-03-150.1.0.0minad
encoding220.015A library for various character encodings (bsd3, codec, library)2025-02-140.10DanielWagner, HenningGuenther, KangyuanNiu, swamp_agr
encoding-io30.01Encoding-aware file I/O. (bsd3, data, library)2016-08-050.0.1terrorjack
encryptable20.00Typed encryption with persistent support (bsd3, cryptography, database, library, yesod)2020-09-030.1coingaming
end-of-exe50.05A small library to deal with executable endings (library, mit, system)2024-01-050.1.2.0OleksandrZhabenko
endo50.01Endomorphism utilities. (bsd3, data, library)2016-02-280.3.0.1PeterTrsko
eng-stemmer30.00An English language stemmer (Porter2) (bsd3, library, nlp, program, stemming)2018-01-090.1.0.2ChrisCoffey
engine-io40.06A Haskell implementation of Engine.IO (bsd3, library, web)2020-12-141.2.23OliverCharles, RenzoCarbonara, TimBaumann
engine-io-growler20.01 (library, mit, web)2015-04-230.1.0.1IanDuncan
engine-io-snap10.01 (bsd3, library, unclassified)2018-08-121.0.7OliverCharles, RenzoCarbonara
engine-io-wai42.01An @engine-io@ @ServerAPI@ that is compatible with @Wai@ (bsd3, library, network)2019-07-171.0.10codedmart
engine-io-yesod20.01 (bsd3, library, network)2016-01-081.0.4OliverCharles, TimBaumann
engineering-units60.01A numeric type for managing and automating engineering units. (bsd3, data, library)2015-10-030.0.2TomHawkins
entangle20.00An application (and library) to convert quipper circuits into Qpmc models. (library, mit, program, unclassified)2017-01-060.1.1miniBill
entropy1320.052A platform independent entropy source (bsd3, cryptography, data, library)2025-01-010.4.1.11ThomasDuBuisson
entwine20.01entwine - Concurrency tools (bsd3, library, system)2019-04-300.0.4lambda_foo
enum-subset-generate110.01Generate an ADT being a subset of another ADT, and the corresponding mappings. (bsd3, data, library)2024-01-220.1.0.30xd34df00d
enum-text70.04A text rendering and parsing toolkit for enumerated types (bsd3, library, text)2022-03-160.5.3.0ChrisDornan
enum-text-rio30.01Making fmt available with rio (bsd3, control, library, program)2019-07-231.2.0.0ChrisDornan
enum-types30.02small enum types (bsd3, data, library)2019-03-160.1.1.0andrewthad
enum-utf810.00An experimental Utf8 parsing toolkit for enumerated types (bsd3, library, text)2019-03-160.1.0.0ChrisDornan
enumerable40.03A typeclass for enumerating all values a type (bsd3, data, library)2009-08-160.0.3DanielPeebles
enumerate30.01enumerate all the values in a finite type (automatically) (data, library, mit, program)2017-05-020.2.2sboo
enumerate-function30.00simple package for inverting functions and testing totality, via brute enumeration of the domain (bsd3, library, program, todo)2017-05-020.0.1sboo
enumeration (deprecated in favor of cantor-pairing, finitary, smallcheck)30.01A practical API for building recursive enumeration procedures and enumerating datatypes. (bsd3, data, deprecated, library, serialization, test, testing)2019-12-210.2.0emc2, Bodigrim
enumerator (deprecated)340.098Reliable, high-performance processing with left-fold enumerators (data, deprecated, enumerator, library, mit)2013-10-130.4.20JohnMillikin
enumerator-fd20.01Enumerator instances for monads-fd classes (enumerator, library, mit)2011-11-210.1.0.2JohnMillikin
enumerator-tf20.01Enumerator instances for monads-tf classes (enumerator, library, mit)2011-12-300.1.1JohnMillikin
enumfun20.01Finitely represented /total/ EnumMaps (bsd3, data, library)2012-10-090.5.1.0LiyangHu
enummapmap10.01Map of maps using Enum types as keys (bsd3, data, data-structures, library)2014-02-010.7.0MatthewWest
enummaps42.00Enum wrappers for IntMap and IntSet (bsd3, data-structures, library)2020-06-230.6.2.1.7leif
enummapset572.019IntMap and IntSet with Enum keys/elements. (bsd3, data-structures, library)2024-09-040.7.3.0MichalTerepeta, MikolajKonarski
enummapset-th80.012TH-generated EnumSet/EnumMap wrappers around IntSet/IntMap. (bsd3, data, library)2020-07-220.6.2FumiakiKinoshita, LiyangHu, MateuszKowalczyk, MitsutoshiAoe, haskell_github_trust
enumset70.011Sets of enumeration values represented by machine words (bsd3, data, foreign, library)2021-07-260.1HenningThielemann
env-extra22.00Safe helpers for accessing and modifying environment variables (library, mit, system)2020-01-061.0.0.0d12frosted
env-guard70.00Conditionally running IO actions based on environment variables. (environment, library, mit, system)2022-07-010.2tbidne
env-locale70.01A (non-forking) interface to the current locale (library, system)2016-07-181.0.0.1ongyerth
env-parser50.01Pull configuration information from the ENV (library, mit, system)2014-01-240.0.2.1JosephAbrahamson
envelope60.01Defines generic 'Envelope' type to wrap reponses from a JSON API. (bsd3, library, web)2017-04-190.2.2.0cdepillabout
envparse350.016Parse environment variables (bsd3, library, system)2024-08-140.6.0MatveyAksenov
envstatus20.00Display efficiently the state of the local environment (development, library, mit, program)2018-10-281.0.2gbataille
envy232.2511An environmentally friendly way to deal with environment variables (bsd3, library, system)2024-12-102.1.4.0DavidJohnson, SoenkeHahn
envy-extensible40.00Provides FromEnv in envy instance for Record of extensible. (bsd3, data, library, record)2020-02-040.2.0.1igrep
eo-phi-normalizer90.00Command line normalizer of 𝜑-calculus expressions. (bsd3, library, program, unclassified)2025-01-133.2.0NickolayKudasov, deemp
epanet-haskell20.01Haskell binding for EPANET (algorithms, gpl, hydraulics, library)2013-12-162.0.12.4psibi
epass20.01Baisc, Erlang-like message passing supporting sockets. (bsd3, concurrency, library, network)2011-10-150.2.1AndreasBaldeau
ephemeral30.00See readme.md (bsd3, library, project)2021-01-230.0.1tonyday567
epi-sim30.00A library for simulating epidemics as birth-death processes. (library, mit, simulation)2021-07-190.7.0AlexanderZarebski
epic30.03Compiler for a simple functional language (bsd3, compilers-interpreters, library, program)2015-03-280.9.3.3AndreasAbel, EdwinBrady
epoll30.02epoll bindings (library, system)2009-12-140.2.2ToralfWittner
eprocess40.03Basic Erlang-like process support for Haskell (bsd3, concurrency, library)2015-07-221.7.2CorentinDupont, FernandoBenavides
epub (deprecated in favor of epub-metadata)40.02EPUB E-Book construction support library (bsd3, deprecated, library, program, text)2012-06-230.0.7RadoslavDorcik
epub-metadata122.01Library for parsing epub document metadata (codec, library, program, text)2024-01-265.4DinoMorelli
eq140.03Leibnizian equality (bsd3, library, type-system)2021-10-314.3EdwardKmett, EricMertens, ryanglscott
equational-reasoning371.59Proof assistant for Haskell using DataKinds & PolyKinds (bsd3, library, math)2025-01-020.7.1.0HiromiIshii
equational-reasoning-induction40.00Proof assistant for Haskell using DataKinds & PolyKinds (bsd3, library, math)2019-02-080.6.0.0HiromiIshii
equeue10.00Application level triggered, and edge triggered event multiqueues. (bsd3, concurrency, library)2019-01-010KevinCotrone, davean
equivalence692.03Maintaining an equivalence relation implemented as union-find using STT. (algorithms, bsd3, data, library)2022-07-260.4.1AndreasAbel, PatrickBahr
erebos20.00Decentralized messaging and synchronization (bsd3, library, network, program)2024-10-300.1.7RomanSmrz
erf390.017The error function, erf, and related functions. (bsd3, library, math)2011-05-262.0.0.0LennartAugustsson
erf-native20.02Native Haskell implementation of the interface from the erf package (library, math)2012-01-031.0.0.1JamesCook
erlang10.01FFI interface to Erlang. (foreign, library)2018-07-220.2.3EricSessoms, gombocarti
erlang-ffi10.00Send messages to an Erlang node using Haskell (foreign, library)2021-03-181.0.0Szetty
eros20.01A text censorship library. (bsd3, library, text)2014-07-200.6.0.0pharpend
erpnext-api-client100.00Generic API client library for ERPNext (api, library, mit)2025-03-210.1.0.1schoettl
errata110.02Source code error pretty printing (library, mit, pretty-printer, program)2024-12-100.4.0.3comp
errno40.01a FFI utility (bsd3, foreign, library)2009-01-020.1CreightonHogg
error82.01The canonical error type (data, error-handling, library, mit)2022-10-091.0.0.0Profpatsch
error-analyze30.01Parse ghc and cabal error messages and give their causes for easier resolution (bsd3, development, ghc, library)2015-11-020.0.1JeanPhilippeMoresmau
error-codes110.02Error code functions (bsd3, library, system)2024-02-060.1.3.1andrewthad, l3c_amartin
error-context90.01Provides API for enriching errors with contexts (bsd3, control, error-handling, library)2018-04-100.2.0.1mtesseract
error-continuations30.01Error Continuations (control, library, public-domain)2015-01-050.1.0.0echatav
error-list10.02A useful type for collecting error messages. (control, library, mit)2015-06-180.1.0.3thinkpad20
error-loc20.01An error replacement with call-site metadata. (library, mit, utils)2013-10-030.1.0.0JoelTaylor
error-location (deprecated in favor of file-location)110.01error functions that show file location information (bsd3, deprecated, development, library)2011-08-020.1.5.5GregWeber
error-message40.01Composable error messages. (bsd3, development, error-handling, library)2010-11-151.1GregoryCrosswhite
error-or150.03Composable, hierarchical errors. (bsd3, data, library)2022-06-160.3.0luntain
error-or-utils120.00Utilities using ErrorOr datatype (bsd3, data, library, testing)2021-07-170.2.0luntain
error-util30.02Set of utils and operators for error handling (error-handling, library, mit)2017-08-090.0.1.2danilo2, PiotrMlodawski, iamrecursion
errorcall-eq-instance (deprecated in favor of base-orphans)130.02An orphan Eq instance for ErrorCall (control, deprecated, library, mit)2015-04-220.3.0SimonHengel
errors432.5147Simplified error-handling (bsd3, control, error-handling, library)2018-05-112.3.0GabrielGonzalez
errors-ext70.01`bracket`-like functions for `ExceptT` over `IO` monad. (control, error-handling, library)2018-07-170.4.2warlock
ersaconcat20.01A script to concatenate AIP ERSA (aviation, bsd3, library, program)2016-09-170.0.1TonyMorris
ersatz122.03A monad for expressing SAT or QSAT problems using observable sharing. (algorithms, bsd3, library, logic)2023-09-180.5EdwardKmett, EricMertens, ryanglscott
ersatz-toysat20.01toysat driver as backend for ersatz (algorithms, bsd3, library, logic)2017-10-020.2.2.0MasahiroSakai
ert40.01Easy Runtime Templates (gpl, library, program, text)2015-04-300.0.2.1kayo
escape-artist22.01ANSI Escape Sequence Text Decoration Made Easy (bsd3, library, text)2020-01-281.2.0.1ryan_daniels
escaped60.00Produce Text with terminal escape sequences (library, mit, program, text)2024-08-271.1.0.0PatrickBrisbin
escoger40.00Terminal fuzzy selector (library, mit, program, tools)2018-03-290.1.0.0TomMurphy
esotericbot30.01Esotericbot is a sophisticated, lightweight IRC bot. (bsd3, library, program, web)2009-06-230.0.6JohnnyMorrice
espial40.00Espial is an open-source, web-based bookmarking server. (agpl, library, web)2024-01-190.0.20jonschoning
esqueleto1972.529Type-safe EDSL for SQL queries on persistent backends. (bsd3, database, library)2025-01-133.6.0.0MichaelSnoyman, bitemyapp, parsonsmatt, belevy
esqueleto-compat30.00Compatibility operators for Persistent and Esqueleto (bsd3, data, library)2023-10-200.0.2.0parsonsmatt
esqueleto-pgcrypto20.00Esqueleto support for the pgcrypto PostgreSQL module (bsd3, database, library)2021-10-060.1.0.03kyro
esqueleto-postgis60.00postgis bindings for esqueleto. (database, library, mit)2024-02-251.0.1Jappie
esqueleto-streaming50.00Memory-constant streaming of Esqueleto results from PostgreSQL (bsd3, conduit, database, library)2021-10-200.1.0.0isaac_supercede
esqueleto-textsearch130.00PostgreSQL full text search for Esqueleto (database, library, mit)2024-03-041.3.1Jappie, jgt
ess10.01The type-level S combinator in Haskell. (data, library, mit)2015-04-250.1.0.0MichaelOChurch
essence-of-live-coding280.06General purpose live coding framework (bsd3, frp, library, live-coding, program)2024-10-310.2.8turion
essence-of-live-coding-PortMidi50.00General purpose live coding framework - PortMidi backend (bsd3, library, sound)2024-10-310.2.8turion
essence-of-live-coding-gloss290.00General purpose live coding framework - Gloss backend (bsd3, frp, library, live-coding)2024-10-310.2.8turion
essence-of-live-coding-pulse290.00General purpose live coding framework - pulse backend (bsd3, frp, library, live-coding)2024-10-310.2.8turion
essence-of-live-coding-quickcheck290.00General purpose live coding framework - QuickCheck integration (bsd3, frp, library, live-coding)2024-10-310.2.8turion
essence-of-live-coding-vivid80.00General purpose live coding framework - vivid backend (bsd3, library, sound)2024-10-310.2.8turion
essence-of-live-coding-warp220.00General purpose live coding framework (bsd3, frp, library, live-coding)2024-10-310.2.8turion
estimator20.01State-space estimation algorithms such as Kalman Filters (bsd3, library, math, numerical, statistics)2016-07-191.2.0.0AdamFoltzer, JameySharp
estimators20.01Tool for managing probability estimation (bsd3, library, natural-language-processing)2010-03-080.1.4SashaRush
etc70.02Declarative configuration spec for Haskell projects (configuration, library, mit, system)2018-08-290.4.1.0RomanGonzalez
etcd20.01Client for etcd, a highly-available key value store (library, network)2015-06-291.0.5wereHamster
eternal40.01everything breaking the Fairbairn threshold (bsd3, control, library)2016-07-240.1.7Heather
eternity20.01Native event-sourcing database (database, eventsourcing, library, mit, streaming)2018-08-200.1.3NikitaVolkov, effectfully, vlastachu, OShev
eternity-timestamped100.01Automatic timestamping for Eternity (database, eternity, event-sourcing, library, mit, streaming)2018-08-200.4.1NikitaVolkov, effectfully, vlastachu, OShev
ether (deprecated)32.252Monad transformers and classes (bsd3, control, deprecated, library)2017-06-030.5.1.0int_index
ethereum-analyzer60.02A Ethereum contract analyzer. (apache, ethereum, library, static-analysis)2017-12-253.3.4zchn
ethereum-analyzer-cli120.00A CLI frontend for ethereum-analyzer. (apache, cli, ethereum, library, program, static-analysis)2017-12-253.3.4zchn
ethereum-analyzer-deps180.03Stripped dependencies of ethereum-analyzer. (apache, ethereum, library, static-analysis)2017-12-253.3.4zchn
ethereum-analyzer-webui100.00A web frontend for ethereum-analyzer (apache, ethereum, library, program, static-analysis, web)2017-12-253.3.4zchn
ethereum-merkle-patricia-db (deprecated in favor of merkle-patricia-db)20.01A modified Merkle Patricia DB (bsd3, data-structures, deprecated, library)2015-01-020.0.1jamshid
ethereum-rlp20.03Ethereum Recursive Length Prefix Encoding (apache, data-structures, library)2017-08-310.1.0jamshid
eths-rlp20.01Ethereum Recursive Length Prefix Encoding (contracts, data, ethereum, finance, library, mit, network)2016-12-250.1.0.0LogvinovLeon
ety20.01Random etymology online entry. (bsd3, library, program, web)2012-02-150.1ChrisDone
euler70.01Mathematics utilities for Haskell (library, math, mit)2020-05-250.10.1decomputed, luisonthekeyboard
euler-tour-tree30.01Euler tour trees (data, library, public-domain)2018-09-040.1.1.0koral
euphoria10.01Dynamic network FRP with events and continuous values (frp, library, public-domain)2016-08-020.8.0.0AkioTakano, LiyangHu, MitsutoshiAoe, asayers
eurofxref60.01Free foreign exchange/currency feed from the European Central Bank (bsd3, finance, library)2013-02-060.2.1StephenBlackheath
evdev72.01Bindings to libevdev (bsd3, library, system)2025-03-062.3.1.2GeorgeThomas
evdev-streamly10.00Bridge for working with evdev and streamly (bsd3, library, streamly, system)2024-08-150.0.2.1GeorgeThomas
eve60.02An extensible event framework (bsd3, framework, library)2020-10-210.1.9.0ChrisPenner
eve-cli20.00 (bsd3, library, program, unclassified)2018-04-050.2.0.0ChrisPenner
eved40.00A value level web framework (bsd3, library, web)2021-07-180.0.3.0belevy
eveff30.00Efficient effect handlers based on evidence translation. (control, effect, library, mit)2021-07-191.0.0.2ningningxie
event10.01Monoidal, monadic and first-class events (bsd3, concurrency, library)2016-05-240.1.4DimitriSabadie
event-driven10.02library for event driven programming (bsd3, control, library)2010-07-160.0.2YoshikuniJujo
event-handlers30.02Event handlers (control, data, library, public-domain)2008-12-150.0.0.3JamesCook
event-list110.024Event lists with relative or absolute time stamps (data, library)2024-02-260.1.3HenningThielemann
event-monad10.01Event-graph simulation monad transformer (control, library, public-domain)2010-01-110.0.3JamesCook
event-transformer (deprecated)40.00Initial project template from stack (bsd3, control, deprecated, library, program)2016-10-100.1.0.0SchellScivally
eventful-core82.06Core module for eventful (database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventful-dynamodb60.01Library for eventful DynamoDB event stores (aws, database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventful-memory72.01In-memory implementations for eventful (database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventful-postgresql42.01Postgres implementations for eventful (database, eventsourcing, library, mit, postgresql)2017-07-310.2.0jdreaver
eventful-sql-common32.02Common library for SQL event stores (database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventful-sqlite60.01SQLite implementations for eventful (database, eventsourcing, library, mit, sqlite)2017-07-310.2.0jdreaver
eventful-test-helpers30.01Common module used for eventful tests (database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventlog-socket10.00Stream GHC eventlog events to external processes (bsd3, library, system)2023-04-140.1.0.0BenGamari, mpickering
eventlog2html230.01Visualise an eventlog (bsd3, development, library, program)2024-08-170.11.1mpickering, DavidBinder
eventloop30.01A different take on an IO system. Based on Amanda's IO loop, this eventloop takes a function that maps input events to output events. It can easily be extended by modules that represent IO devices or join multiple modules together. (bsd3, eventloop, library)2019-05-010.8.2.8sebaslafleur, LeonSchoorl
eventsource-api140.03Provides an eventsourcing high level API. (bsd3, eventsourcing, library)2019-01-031.5.1YorickLaupa
eventsource-geteventstore-store130.01GetEventStore store implementation. (bsd3, eventsourcing, library)2019-01-031.2.1YorickLaupa
eventsource-store-specs90.02Provides common test specification for Store implementation. (bsd3, eventsourcing, library, testing)2018-12-201.2.1YorickLaupa
eventsource-stub-store100.01An in-memory stub store implementation. (bsd3, eventsourcing, library)2018-12-201.1.1YorickLaupa
eventsourced60.00Server-Sent Events the UNIX way (library, mit, network, program)2016-05-151.1.1.0richardTowers
eventsourcing50.01CQRS/ES library. (cqrs, database, library)2020-08-160.9.0thoferon
eventsourcing-postgresql50.00PostgreSQL adaptor for eventsourcing. (database, library)2020-08-160.9.0thoferon
eventstore70.02EventStore TCP Client (bsd3, database, library)2023-07-291.4.3YorickLaupa
eventuo11y200.04An event-oriented observability library (apache, library, observability)2023-03-010.9.0.1shlevy
eventuo11y-batteries170.00Grab bag of eventuo11y-enriched functionality (apache, library, observability)2024-01-250.4.0.2shlevy
eventuo11y-dsl10.01DSL for defining eventuo11y fields and selectors (apache, library, observability)2022-12-230.2.0.0shlevy
eventuo11y-json20.01aeson-based rendering for eventuo11y (apache, library, observability)2024-01-250.3.0.3shlevy
eventuo11y-otel30.00OpenTelemetry-based rendering for eventuo11y (apache, library, observability)2023-01-170.1.0.2shlevy
eventuo11y-prometheus20.00Prometheus backend for eventuo11y (apache, library, observability)2023-02-270.1.0.0shlevy
every70.02Run a process every so often. (bsd3, library, web)2017-05-090.0.1athanclark
every-bit-counts20.01A functional pearl on encoding and decoding using question-and-answer strategies (bsd3, data, library)2010-09-270.1DonaldStewart
evm-opcodes102.00Opcode types for Ethereum Virtual Machine (EVM) (ethereum, finance, library, mit, network)2024-10-280.2.0sshine
evoke50.00A GHC plugin to derive instances. (library, mit, plugin)2023-01-260.2023.1.26fozworth
ex-pool70.02Another fork of resource-pool, with a MonadIO and MonadCatch constraint (bsd3, data, library)2018-01-070.2.1KimAltintop
exact-combinatorics170.07Efficient exact computation of combinatoric functions. (bsd3, library, math, statistics)2021-11-030.2.0.11WrenThornton, WrenRomano
exact-cover10.01Efficient exact cover solver. (algorithms, bsd3, library, math)2017-04-220.1.0.0arthur
exact-kantorovich20.00Exact Kantorovich distance between finite probability measures. (bsd3, library, math, optimization)2024-05-080.1.0.0stla
exact-pi250.04Exact rational multiples of pi (and integer powers of pi) (data, library, mit)2022-04-290.5.0.2dmcclean, Bodigrim
exact-real72.252Exact real arithmetic (library, math, mit)2021-12-130.12.5.1jophish, expipiplus1
exact-real-positional20.01Framework for Exact Real Arithmetic in the Positional Number System (bsd3, library, math)2017-07-200.0.0grlks
example-haskell-project40.00Example Haskell Project (bsd3, example, library, program)2020-04-040.1.0.0haskellworks
except-exceptions12.01Safely deal with exceptions in ExceptT (bsd3, library, monad)2018-03-200.1TimHumphries
exception-hierarchy250.05Exception type hierarchy with TemplateHaskell (bsd3, language, library)2025-03-170.1.0.13YoshikuniJujo
exception-mailer50.01Catch all runtime exceptions and send an email (bsd3, library, system)2014-04-070.4.1DavidPowell
exception-monads-fd (deprecated in favor of exception-mtl)30.01Exception monad transformer instances for monads-fd classes. (bsd3, control, deprecated, error-handling, failure, library, monad)2010-10-060.2GeoffreyMainland
exception-monads-tf90.01Exception monad transformer instances for monads-tf classes. (bsd3, control, error-handling, failure, library, monad)2017-05-030.4.0.1GeoffreyMainland
exception-mtl170.03Exception monad transformer instances for mtl classes. (bsd3, control, error-handling, failure, library, monad)2023-03-220.4.0.2GeoffreyMainland
exception-transformers550.019Type classes and monads for unchecked extensible exceptions. (bsd3, control, error-handling, failure, library, monad)2023-08-310.4.0.12GeoffreyMainland, TroelsHenriksen
exception-via52.00DerivingVia for your hierarchical exceptions (bsd3, exceptions, library)2023-08-190.2.0.0parsonsmatt, raineszm
exceptional40.01Essentially the Maybe type with error messages. (bsd2, control, library)2015-07-220.3.0.0pharpend
exceptionfree-readfile30.00An exception-free readFile for use with '+RTS -xc -RTS' projects (bsd3, library, utility)2020-01-280.1.0.0vados
exceptions1322.01007Extensible optionally-pure exceptions (bsd3, control, exceptions, library, monad)2024-10-310.10.9EdwardKmett, ryanglscott
exceptiot30.00ExceptT, but uses IO instead of Either (bsd3, control, library)2024-05-130.0.1.1parsonsmatt
exchangerates20.01A Haskell client for https://exchangeratesapi.io/ (api, bsd3, library)2018-07-280.0.0.0Norfair
execs20.00Tool to run stack exec prj-exe more easy (library, mit, program, utils)2016-08-020.1.0.0wapxmas
executable-hash90.01Provides the SHA1 hash of the program executable (library, mit, program, system)2017-01-040.2.0.4MichaelSloan, MichaelSnoyman
executable-path200.015Finding out the full path of the executable. (library, public-domain, system)2017-03-220.0.3.1BalazsKomuves
executor20.01Shell helpers (distribution, library, mit)2017-08-270.0.4gianlucaguarini
exference10.00Tool to search/generate (haskell) expressions with a given type (bsd3, language, library)2017-02-131.6.0.0lspitzner
exh20.00A library for crawling exhentai (bsd3, library, web)2021-02-141.0.2berberman, Poscat
exhaustive90.01Compile time checks that a computation considers producing data through all possible constructors (bsd3, control, library)2020-06-171.1.9OliverCharles
exherbo-cabal30.00Exheres generator for cabal packages (distribution, gpl, library, program)2017-02-090.2.1.1NikolayOrlyuk
exif30.01A Haskell binding to a subset of libexif (bsd3, library, unclassified)2007-02-113000.0.0BjornBringert
exiftool50.00Haskell bindings to ExifTool (foreign, library, mit)2024-04-010.2.0.5MartinHoppenheit
exigo-schema30.00database schema for exigo marking/assessment tools (bsd2, database, library)2020-06-270.2.0.2phlummox
exinst82.07Dependent pairs and their instances. (bsd3, data, library)2023-01-010.9RenzoCarbonara
exinst-aeson40.01@exinst@ support for @aeson@ package. (bsd3, data, library)2023-01-010.9RenzoCarbonara
exinst-base10.00@exinst@ support for @base@ package. (bsd3, data, library)2023-01-010.9RenzoCarbonara
exinst-bytes60.01@exinst@ support for @bytes@ package. (bsd3, data, library)2023-01-010.9RenzoCarbonara
exinst-cereal20.01@exinst@ support for @cereal@ package. (bsd3, data, library)2023-01-010.9RenzoCarbonara
exinst-deepseq (deprecated in favor of exinst)20.01Derive instances for the `deepseq` library for your existential types. (bsd3, data, deprecated, library)2016-10-130.2RenzoCarbonara
exinst-hashable (deprecated in favor of exinst)20.01Derive instances for the `hashable` library for your existential types. (bsd3, data, deprecated, library)2016-10-130.2RenzoCarbonara
exinst-serialise40.01Dependent pairs and their instances. (bsd3, data, library)2023-01-010.9RenzoCarbonara
exist30.01Dependent sum type (bsd3, library, unclassified)2019-11-180.2.0.0
exist-instances20.00Instances for "exist" package (requires more language extensions and dependencies) (bsd3, library, unclassified)2019-11-180.1.0.0
existential10.01Existential types with lens-like accessors. (data, library, mit)2016-10-280.2.0.0SimonHudon, bandali
exists20.01Existential datatypes holding evidence of constraints (bsd3, constraints, library)2012-05-150.2GaborLehel
exit-codes60.01Exit codes as defined by BSD (bsd3, library, system)2018-10-021.0.0justus
exitcode20.03Monad transformer for exit codes (bsd3, control, library)2023-10-060.1.0.9TonyMorris, qfpl, GeorgeWilson
exomizer70.01Compression and decompression in the exomizer format (codec, library)2018-06-091.0.0alexkazik
exon211.515Customizable quasiquote interpolation (library, string)2025-03-151.7.2.0tek
exotic-list-monads20.00Non-standard monads on lists and non-empty lists (library, list, mit, monads)2023-11-211.1.1maciejpirog
exp-cache10.00 (library, mit, program, unclassified)2018-10-190.1.0.2ChrisCoffey
exp-extended20.01floating point with extended exponent range (bsd3, library, numeric)2020-01-010.2ClaudeHeilandAllen
exp-pairs90.01Linear programming over exponent pairs (gpl, library, math)2024-12-110.2.1.1Bodigrim
expand20.01Extensible Pandoc (library, text)2013-09-170.0.1MarcosViera
expat-enumerator (deprecated)40.01Enumerator-based API for Expat (deprecated, enumerator, library, mit, parsing, text, xml)2010-12-050.1.0.3JohnMillikin
experimenter102.00Perform scientific experiments stored in a DB, and generate reports. (bsd3, experiment, library)2022-10-110.1.0.14schnecki
expiring-cache-map250.03General purpose simple caching. (bsd3, caching, library)2016-08-110.0.6.1elblake
expiring-containers70.01Expiring containers (containers, library, mit, time)2018-11-270.2.2.1NikitaVolkov, effectfully, vlastachu, OShev
expiring-mvar30.01Create values which expire after a period of time. (bsd3, concurrency, library)2012-02-260.1JeffShaw
explainable-predicates200.01Predicates that can explain themselves. (bsd3, library, testing)2023-11-290.1.2.4ChrisSmith
explicit-constraint-lens30.01Fully-flexible polymorphic lenses, without any bizarre profunctors (data, gpl, library)2017-12-300.1.0.0leftaroundabout
explicit-determinant30.01explicit computation of determinant of small matrices (gpl, library, math)2014-07-030.1.0.0JohannesWaldmann
explicit-exception290.028Exceptions which are explicit in the type signature. (bsd3, control, library)2023-01-140.2HenningThielemann
explicit-iomodes130.04File handles with explicit IOModes (bsd3, library, system)2012-09-230.6.0.5BasVanDijk
explicit-iomodes-bytestring70.02Extends explicit-iomodes with ByteString operations (bsd3, library, system)2012-09-230.2.0.2BasVanDijk
explicit-iomodes-text110.02Extends explicit-iomodes with Text operations (bsd3, library, system)2012-09-230.1.0.8BasVanDijk
explicit-sharing130.01Explicit Sharing of Monadic Effects (control, library, monads, public-domain)2011-06-300.9SebastianFischer
exploring-interpreters180.01A generic exploring interpreter for exploratory programming (bsd3, compilers-interpreters, library)2025-02-211.6.0.0ltvanbinsbergen, DamianFrolich
exposed-containers20.01A distribution of the 'containers' package, with all modules exposed. (bsd3, data-structures, library)2014-07-150.5.5.1vi
express170.03Dynamically-typed expressions involving function application and variables. (bsd3, data, library)2025-01-301.0.18rudymatela
expression-parser10.01Generalization of parsec's expression parser. (bsd3, library, parsing, text)2013-01-270.1SebastiaanVisser
expressions91.51Expressions and Formulae a la carte (bsd3, data, library, logic, math)2019-04-300.5jakubdaniel
expressions-z3100.01Encode and Decode expressions from Z3 ASTs (bsd3, data, library, logic, math)2019-04-300.5jakubdaniel
expresso30.00A simple expressions language based on row types (bsd3, configuration, library, program)2020-04-020.1.2.3willtim
extcore22.01Libraries for processing GHC Core (bsd3, language, library)2013-04-211.0.2TimChevalier
extend-record-data-th80.00TH to define a new record data type that extends the existing record data type. (bsd3, data, library)2019-07-070.1.0.2nakaji_dayo
extended-categories20.01Extended Categories (bsd3, library, math)2014-11-230.2.0ian_mi
extended-containers70.01Heap and Vector container types (bsd3, data-structures, library)2021-04-220.1.1.0konsumlamm
extended-containers-lens40.00lens instances for extended-containers (bsd3, data-structures, lenses, library)2020-04-290.1.0.0konsumlamm
extended-reals370.08Extension of real numbers with positive/negative infinities (bsd3, library, math)2025-03-030.2.6.0MasahiroSakai, Bodigrim
extensible240.017Extensible, efficient, optics-friendly data types and effects (bsd3, data, library, records)2024-12-050.9.2FumiakiKinoshita
extensible-data20.01Sums/products/lists/trees which can be extended in other modules (data, library, public-domain)2012-02-170.1.0.4AaronBlack
extensible-effects1182.2512An Alternative to Monad Transformers (control, effect, library, mit)2019-01-035.0.0.1BenFoppa, SvenHeyll, shergill, sickmind
extensible-effects-concurrent1292.00Message passing concurrency as extensible-effect (bsd3, concurrency, control, effect, library, program)2020-12-162.0.0SvenHeyll
extensible-exceptions390.088Extensible exceptions (bsd3, control, library)2012-02-020.1.1.4IanLynagh
extensible-skeleton20.00Operational-based extensible effect library (bsd3, library, monads)2021-10-210.0.1FumiakiKinoshita
extensible-sp22.01light-weight, extensible sums and products over types and kinds (data, library, mit)2017-04-220.1.0.0jadaska
extensions530.01Parse Haskell Language Extensions (ghc, haskell, library, mpl, parsing)2024-09-280.1.0.3tomjaguarpaw, vrom911
external-sort10.01Sort large arrays on your hard drive. Kind of like the unix util sort. (bsd3, library, other)2008-10-230.2OmerAgacan, ThomasHartman
extism50.00Extism bindings (bsd3, library, plugins, webassembly)2024-12-031.3.0.0Extism, zshipko
extism-manifest80.02Extism manifest bindings (bsd3, library, plugins, webassembly)2024-12-031.3.0.0Extism, zshipko
extism-pdk42.00Extism Plugin Development Kit (bsd3, library, plugins, program, wasm)2024-10-241.2.0.0Extism, zshipko
extra2172.5258Extra functions I use. (bsd3, development, library)2024-10-191.8NeilMitchell
extra-data-yj50.02Additional data types (bsd3, data, library)2023-12-010.1.0.0YoshikuniJujo
extract-dependencies60.01Given a hackage package outputs the list of its dependencies. (development, library, mit, program)2016-05-310.2.0.1yamadapc
extractable-singleton80.08A functor, where the "stored" value is isomorphic to Identity (bsd3, data, library)2017-05-100.0.1athanclark
extralife30.01API Client for ExtraLife team and user data (bsd3, library, web)2021-11-090.2.0.0wuest
extrapolate72.01generalize counter-examples of test properties (bsd3, library, testing)2021-06-150.4.6rudymatela
ez-couch (deprecated)30.01A high level static library for working with CouchDB (couchdb, database, deprecated, library, mit)2014-04-170.7.0NikitaVolkov
ez3 (deprecated)30.01Z3 bonds with pure interface (bsd3, deprecated, library, unclassified)2018-05-110.1.0.0
f-algebra-gen10.00Generate a special f-algebra combinator from any data type. (data, library, mit)2019-07-190.1.0.2bolt12
faceted20.01Faceted computation for dynamic information flow security (apache, library, security)2014-05-120.0.2.0KennKnowles
factor70.00Factoring integers and polynomials (library, mit, number-theory, program)2022-06-151.6JoeHurd
factory50.05Rational arithmetic in an irrational world. (gpl, library, math, number-theory, program)2021-08-250.3.2.3AlistairWard, LennartAugustsson
facts20.01Refined types (bsd3, data, library)2018-06-160.0.1.0mrkkrp
factual-api20.01A driver for the Factual API (api, bsd3, library, web)2012-11-080.6.1RudigerLippert
fad30.01Forward Automatic Differentiation. (bsd3, library, math)2012-12-221.1.0.1BjornBuckwalter
fadno40.01Minimal library for music generation and notation (bsd3, library, music)2024-01-201.1.9.1spopejoy
fadno-braids30.02Braid representations in Haskell (algebra, bsd2, data, library, math)2024-01-200.2spopejoy
fadno-xml40.02XML/XSD combinators/schemas/codegen (bsd2, library, music, xml)2024-01-201.2.1spopejoy
fail362.0144Forward-compatible MonadFail class (bsd3, development, library)2016-01-214.9.0.0HerbertValerioRiedel
failable50.03A 'Failable' error monad class to unify failure across monads that can fail (bsd3, control, exceptions, library, monad)2020-01-241.2.4.0erick
failable-list (deprecated in favor of enumerator)20.03A list-like type for lazy streams, which might terminate with an error. (bsd3, data, deprecated, error-handling, library)2009-12-070.2JohnMillikin
failure (deprecated in favor of exceptions)60.071A simple type class for success/failure computations. (deprecated) (bsd3, control, deprecated, failure, library, monads)2014-06-080.2.0.3MichaelSnoyman, Michael_Smith
failure-detector20.01Failure Detectors implimented in Haskell. (bsd3, distributed-computing, library)2016-05-110davean
fair30.00Lists with fair choice (bsd3, data, library)2019-04-010.1.0.0
fair-predicates50.01Fair Predicates (data, library, public-domain)2009-03-250.1.1SebastianFischer
fake60.01Randomly generated fake data (bsd3, data, library)2021-05-060.1.2DougBeardsley
fake-type10.01A crossplatform library to simulate keyboard input (bsd3, library, system)2015-12-210.2.0.0Artyom
fakedata230.03Library for producing fake data (bsd3, fake, fakedata, library, random)2024-10-201.0.5psibi
fakedata-parser60.01 (bsd3, library, unclassified)2020-07-260.1.0.0psibi
fakedata-quickcheck40.00Fake a -> Gen a (fake, fakedata, library, mit, random)2021-06-220.2.0psibi, Jappie
fakefs60.00Extensible fake file system for testing. (apache, library, testing)2020-09-050.3.0.2igrep
fakepull70.00Monad to pull from fake stream-like objects. (apache, library, testing)2020-09-050.3.0.2igrep
faker30.01Pure Haskell library for generating fake data (library, mit, testing)2015-01-040.0.0.2gazay
faktory70.02Faktory Worker for Haskell (library, mit, network, program)2025-01-081.1.3.2PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
fallible50.01 (bsd3, data, library)2020-02-130.1.0matsubara0507
falsify92.02Property-based testing with internal integrated shrinking (bsd3, library, testing)2023-11-080.2.0EdskoDeVries
familiar-reflection (deprecated)40.01Reifies arbitrary terms into types that can be reflected back into terms (bsd3, data, deprecated, library, reflection)2018-05-080.1.0.0
family-tree40.01A family tree library for the Haskell programming language. (bsd3, data, genealogy, library)2015-04-160.5.1NathanVanDoorn
farmhash40.01Fast hash functions. (bsd3, library, system)2016-05-240.1.0.5abhinav
fast-arithmetic132.01Fast functions on integers. (algorithms, ats, bsd3, combinatorics, ffi, library, math, number-theory, numerics)2022-01-170.6.7.0vmchale
fast-bech3210.00Fast implementation of the Bech32 encoding format. (codec, library, mpl)2023-12-041.0.1KtorZ
fast-builder300.08Fast ByteString Builder (data, library, public-domain)2025-02-280.1.5.0AkioTakano
fast-combinatorics122.01Fast combinatorics. (bsd3, library, numerics)2018-01-020.1.0.9
fast-digits70.02Integer-to-digits conversion. (data, gpl, library)2023-07-290.3.2.0Bodigrim
fast-downward40.00Solve classical planning problems (STRIPS/SAS+) using Haskell & Fast Downward. (ai, bsd3, library)2023-05-110.2.3.0OliverCharles
fast-logger2432.2582A fast logging system (bsd3, library, system)2024-10-313.2.5KazuYamamoto, MichaelSnoyman
fast-math220.02Non IEEE-754 compliant compile-time floating-point optimisations (bsd3, library, math, numeric)2015-08-011.0.2LiyangHu, MikeIzbicki
fast-mult40.01Numeric type with asymptotically faster multiplications. (bsd3, library, web)2017-09-260.1.0.2clinton
fast-myers-diff130.02A fast implementation of the Myers diff algorithm. (library, mit, testing)2024-09-080.0.1Norfair
fast-nats30.01Natural Numbers with no overhead (data, library, mit)2016-12-240.1.0.1mckeankylej
fast-tags100.01Fast incremental vi and emacs tags. (bsd3, development, haskell, library, program)2025-01-272.0.3EvanLaforge, SergeyVinokurov
fast-tagsoup70.03Fast parsing and extracting information from (possibly malformed) HTML/XML documents (bsd3, library, xml)2017-07-041.0.14VladimirShabanov
fast-tagsoup-utf8-only70.01Fast parser for tagsoup package (bsd3, library, xml)2013-12-111.0.5MikhailKuddah
fasta30.06A simple, mindless parser for fasta files. (data, gpl, library)2017-02-130.10.4.2GregorySchwartz
fastbayes30.01Bayesian modeling algorithms accelerated for particular model structures (library, mit, statistics)2014-08-120.2.0.0ChadScherrer
fastcdc10.00An implementation of FastCDC, a content-defined chunking algorithm based on the Gear hash rolling hash algorithm (bsd3, library, program, unclassified)2022-09-290.0.0gkleen
fastcgi50.06A Haskell library for writing FastCGI programs (bsd3, library, network)2020-01-223001.0.2.5BjornBringert, DonaldStewart, krasimir
fastedit20.01find nearest neighbours by edit-distance (library, mit, text)2015-02-130.1.0.0MarkWotton
faster-megaparsec60.00Speed up Megaparsec parsing when parsing succeeds (gpl, library, parsing)2022-11-110.1.2.0olf
fastirc (deprecated in favor of irc)20.03Fast Internet Relay Chat (IRC) library (bsd3, deprecated, library, network)2010-04-010.2.0ErtugrulSoeylemez, esz
fastly20.01A highly experimental Fastly API client. (bsd3, library, web)2018-06-210.1.0.0IanDuncan
fastmemo12.00Memoize functions on Generic types (bsd3, library, memoization)2022-10-220.1.1DavidSpies
fastparser (deprecated)62.01A fast, but bare bones, bytestring parser combinators library. (bsd3, deprecated, library, parsing)2023-06-080.6.0SimonMarechal
fastpbkdf210.01Haskell bindings to the fastpbkdf2 C library (bsd3, cryptography, library)2016-12-270.1.0.0AlfredoDiNapoli
fastsum40.02A fast open-union type suitable for 100+ contained alternatives (bsd3, data, library)2022-02-080.2.0.0patrick_thomson
fathead-util20.01Utilities for working with DuckDuckHack's FatHead Instant Answers (development, gpl, library)2016-08-170.1.0.0GuiltyDolphin
fault-tree10.01A fault tree analysis library. (bsd3, embedded, language, library)2011-01-040.0.0TomHawkins
fay190.013A compiler for Fay, a Haskell subset that compiles to JavaScript. (bsd3, development, fay, library, program, web)2021-01-100.24.2.0AdamBergmark, ChrisDone, swamp_agr
fay-base40.012The base package for Fay. (bsd3, development, fay, library)2021-01-100.21.2.0AdamBergmark, ChrisDone, swamp_agr
fay-builder (deprecated)30.01Compile Fay code on cabal install, and ad-hoc recompile during development (bsd3, deprecated, library, web)2015-04-080.2.0.5AdamBergmark, ErikHesselink
fay-dom30.03DOM FFI wrapper library for Fay (bsd3, fay, library, web)2015-02-110.5.0.1AdamBergmark, ChrisDone
fay-geoposition40.01W3C compliant implementation of GeoPosition API. (bsd3, library, web)2015-06-110.1.0.1eocallaghan
fay-hsx20.01Clientside HTML generation for fay. (bsd3, happstack, library)2013-07-270.2.0JeremyShaw
fay-jquery80.06jQuery bindings for Fay. (bsd3, fay, library, web)2015-08-130.6.1.0AdamBergmark, ChrisDone
fay-ref50.01Like IORef but for Fay. (bsd3, fay, library)2013-02-140.1.0.0AndrewMiller
fay-simplejson10.01SimpleJSON library for Fay. (bsd3, fay, library, web)2016-10-300.1.3.0Lupino
fay-text40.06Fay Text type represented as JavaScript strings (data, fay, library, mit, text)2015-02-110.3.2.2AdamBergmark
fay-uri30.01Persistent FFI bindings for using jsUri in Fay (bsd3, library, web)2013-02-100.2.0.0ChrisDone
fay-websockets30.01Websockets FFI library for Fay (bsd3, fay, library, web)2018-12-010.0.1.1swamp_agr
fb80.07Bindings to Facebook's API. (bsd3, library, web)2022-04-262.1.1.1FelipeLessa, psibi
fb-persistent100.01Provides Persistent instances to Facebook types. (bsd3, library, web)2015-12-300.3.6FelipeLessa
fbmessenger-api20.00High-level bindings to Facebook Messenger Platform API (bsd3, library, program, web)2016-11-120.1.2.1mseri
fca20.01Algo for Formal Concept Analysis (agpl, data, library)2014-07-120.1.0.2Rpr
fcache10.01Cache a function (a -> b) (bsd3, cache, library)2015-12-310.1.0.0YLiLarry
fcd30.01A faster way to navigate directories using the command line. (library, mit, program, utility)2014-10-181.0.0.0Neki
fcf-base10.00Family-of-families instances for base (library, mit, other)2025-01-240.1.0.1lyxia
fcf-composite30.00Type-level computation for composite using first-class-families. (composite, library, mit, types)2021-08-260.1.1.0locallycompact
fcf-containers150.02Data structures and algorithms for first-class-families (bsd3, library, other, program)2023-04-150.8.2gspia
fcf-family100.02Family of families: featherweight defunctionalization (library, mit, other)2025-01-240.2.0.2lyxia
fcf-graphs40.01Type-level version of algebraic-graphs. (algebra, graphs, library, mit, types)2021-09-070.0.1.0locallycompact
fcf-vinyl50.01Vinyl compatibility with first-class-families (bsd3, library, types, vinyl)2021-09-080.0.1.0locallycompact
fckeditor30.01Server-Side Integration for FCKeditor (bsd3, library, web)2008-03-240.1PeterGammie
fclabels192.2550First class accessor labels implemented as lenses. (bsd3, data, lenses, library)2021-05-272.0.5.1AdamBergmark, ErikHesselink, SebastiaanVisser
fclabels-monadlib60.01MonadLib monadic interface for the "fclabels" package. (bsd3, data, library)2012-04-030.2.1BardurArantsson
fcm-client20.00Admin API for Firebase Cloud Messaging (bsd3, fcm, json, library, program)2019-09-200.2.0.0vrom911, HolmuskTechTeam
fdo-notify160.02Desktop Notifications client (bsd3, desktop, library)2014-03-260.3.1MaxRabkin
fdo-trash20.01Utilities related to freedesktop Trash standard. (bsd3, desktop, library, program)2012-12-260.0.0.2EmilKarlson
feather50.00 (bsd3, library, unclassified)2019-04-060.1.0.0ssadler
feature-flags70.01A simple library for dynamically enabling and disabling functionality. (control, library, mit)2015-04-020.1.0.1IanDuncan
feature-flipper100.01A minimally obtrusive feature flag library (library, mit, web)2017-08-090.2.1.2toddmohney
feature-flipper-postgres80.01A minimally obtrusive feature flag library (library, mit, web)2017-08-090.1.1.1toddmohney
fec60.02Forward error correction of ByteStrings (codec, gpl, library, program)2023-10-060.2.0AdamLangley, ShaeErisson, jcalderone
fedora-dists (deprecated in favor of fedora-releases)70.00Library for Fedora distribution versions (deprecated, distribution, gpl, library)2022-05-242.1.1JensPetersen
fedora-krb50.00Kerberos for Fedora packagers (distribution, gpl, library)2025-03-050.1.0JensPetersen
fedora-packages40.01Haskell interface to the Fedora Packages webapp API. (bsd3, fedora, library, web)2014-04-100.0.3RickyElrod
fedora-releases70.00Library for Fedora release versions (distribution, gpl, library)2025-02-070.2.1JensPetersen
fee-estimate40.00Short description of your package (bsd3, library, program, unclassified)2017-12-140.1.0.0sahabi
feed222.2524Interfacing with RSS (v 0.9x, 2.x, 1.0) + Atom feeds. (bsd3, library, text)2022-03-191.3.2.1AdamBergmark, DmitryDzhus, DonaldStewart, IavorDiatchki, SigbjornFinne, jkeuhlen, elland, alexmingoia
feed-collect10.00Watch RSS/Atom feeds (and do with them whatever you like). (library, public-domain, web)2016-02-180.2.0.2akrasner
feed-crawl30.01Utility for fetching feeds with redirect info and HTML link detection (library, mit, text)2015-03-200.1.2.0DanielChoi
feed-gipeda50.00CI service around gipeda (benchmarking, bsd3, library, program)2016-10-310.3.0.1sgraf812
feed2twitter20.01Send posts from a feed to Twitter (bsd3, library, program, web)2009-05-210.2.0TomLokhorst
feedback30.00Declarative feedback loop manager (gpl, library, program, unclassified)2024-04-150.1.0.5Norfair
fei-base20.05FFI to MXNet (ai, bsd3, library, machine-learning, program)2020-12-201.0.0JiasenWu
fei-cocoapi20.01Cocodataset with cocoapi (ai, bsd3, library, machine-learning, program)2020-12-201.0.0JiasenWu
fei-dataiter (deprecated in favor of fei-nn)20.01mxnet dataiters (ai, bsd3, deprecated, library, machine-learning, program)2019-09-170.2.0.0JiasenWu
fei-datasets40.00Some datasets (ai, bsd3, library, machine-learning, program)2020-12-201.0.0JiasenWu
fei-modelzoo30.00A collection of standard models (ai, bsd3, library, machine-learning)2020-12-201.0.0JiasenWu
fei-nn20.03Train a neural network with MXNet in Haskell. (ai, bsd3, library, machine-learning)2020-12-201.0.0JiasenWu
feldspar-compiler60.02Compiler for the Feldspar language (bsd3, compiler, library)2014-06-010.7AndersPersson, EmilAxelsson
feldspar-language90.03A functional embedded language for DSP and parallelism (bsd3, language, library)2014-06-010.7AndersPersson, EmilAxelsson
feldspar-signal10.01Signal Processing extension for Feldspar (bsd3, language, library)2015-06-110.0.1.0EmilAxelsson, mararon
fen2s30.01Converting a chess position from FEN notation to text (game, library, mit, program)2015-05-131.2JoeHurd
fences20.01To be written (gpl, library, unclassified)2014-06-170.1.1HansHoglund
fernet30.00Generate and verify HMAC-based authentication tokens. (authentication, lgpl, library, web)2017-03-220.1.0.0rvl
festival20.00C bindings plus conveniences for the festival tts system. (accessibility, audio, bsd3, library, natural-language, text-to-speech)2023-01-090.1.0.0guygastineau
festung20.00Remote multi-db SQLCipher server (concurrency, library, mit, program)2018-06-280.9.1.2figo
fez-conf30.02Simple functions for loading config files (bsd3, library, parsing)2015-03-281.0.3DinoMorelli
ffeed30.01Haskell binding to the FriendFeed API (bsd3, library, program, web)2008-11-230.3.2SigbjornFinne
fficxx50.012Automatic C++ binding generation (bsd2, ffi-tools, library)2023-07-280.7.0.1IanWooKim
fficxx-runtime190.013Runtime for fficxx-generated library (bsd2, ffi-tools, library)2023-07-280.7.0.1IanWooKim
ffmpeg-light180.01Minimal bindings to the FFmpeg library. (bsd3, codec, library)2022-03-110.14.1AnthonyCowley, gelisam
fft122.07Bindings to the FFTW library. (bsd3, library, math)2021-05-210.1.8.7HenningThielemann, JedBrown
fftw-ffi60.01Low-level interface to FFTW (Fast Fourier Transform) (bsd3, library, math)2021-07-260.1HenningThielemann
fftwRaw30.01Low level bindings to FFTW. (bsd3, library, math)2018-09-040.1.0.2adamwalker
ffunctor40.01FFunctor typeclass (bsd3, constraints, library)2020-08-131.2.1fommil
fgl942.75114Martin Erwig's Functional Graph Library (bsd3, data-structures, graphs, library)2024-09-305.8.3.0IvanMiljenovic, MartinErwig, TroelsHenriksen
fgl-arbitrary50.01QuickCheck support for fgl (bsd3, graphs, library, testing)2020-08-030.2.0.6IvanMiljenovic
fgl-extras-decompositions30.02Graph decomposition algorithms (bsd3, data-structures, graphs, library)2015-05-070.1.1.0ChristianHoener
fgl-visualize100.05Convert FGL graphs to dot (graphviz) files (bsd3, graphs, library)2013-05-160.1.0.1ThomasDuBuisson, haskell_github_trust
fib30.00fibonacci algebra (bsd3, library, math)2020-07-090.1.0.1chessai
fibonacci30.01Fast computation of Fibonacci numbers. (algorithms, bsd3, library, numerical)2010-12-180.2.0.1SebastianFischer
fields10.01First-class record field combinators with infix record field syntax. (bsd3, data, library)2010-08-110.1.0JussiKnuuttila
fields-and-cases20.00Codegen Haskell types to other languages (bsd3, codegen, library)2024-08-160.2.0.0michaelbock
fields-json110.02Abusing monadic syntax JSON objects generation. (bsd3, library, web)2019-10-310.4.0.0GracjanPolak, MagnusCarlsson, MariuszRak, MikhailGlushenkov, arybczak
fieldwise10.01Provides Fieldwise typeclass for operations of fields of records treated as independent components. (bsd2, data, library)2014-07-180.1.0.0GracjanPolak
fig20.01Manipulation of FIG files (bsd3, graphics, library)2013-07-031.4.0AndersLauOlsen
file-collection30.01Provide a uniform interface over file archives and directories (bsd3, codec, library)2015-05-250.1.1.9joel_williamson
file-command-qq30.01Quasiquoter for system commands involving filepaths (library, mit, system)2015-02-010.1.0.5JonathanFischoff
file-embed1022.5155Use Template Haskell to embed file contents directly. (bsd2, data, library)2024-01-280.0.16.0MichaelSnoyman
file-embed-lzma312.07Use Template Haskell to embed (LZMA compressed) data. (bsd3, data, library)2024-07-030.1phadej
file-embed-poly (deprecated)10.02Use Template Haskell to embed file contents directly. (bsd3, data, deprecated, library)2016-08-020.1.0
file-io1040.04Basic file IO operations via 'OsPath' (bsd3, library, system)2024-11-260.1.5maerwald
file-location150.03common functions that show file location information (bsd3, development, library)2017-04-100.4.9.1GregWeber
file-modules40.01Takes a Haskell source-code file and outputs its modules. (development, library, mit, program)2016-08-110.1.2.4yamadapc
file-path-th80.00Template Haskell utilities for filepaths. (library, mit, system)2020-04-020.1.0.0dfithian
file-uri80.01File URI parsing (bsd3, library, system)2024-01-190.1.0.0maerwald
filecache110.02A cache system associating values to files. (bsd3, data, library)2024-10-290.5.2SimonMarechal
filediff10.01Diffing and patching module (bsd3, data, library)2015-05-252.0.0bgwines
filelock612.015Portable interface to file locking (flock / LockFileEx) (library, public-domain, system)2023-08-030.1.1.7AkioTakano, AndreasAbel
filemanip382.2537Expressive file and directory manipulation for Haskell. (bsd3, library, system)2015-01-200.3.6.3BryanOSullivan
fileneglect (deprecated in favor of follow-file)20.01Block thread until a file stops being modified (bsd3, deprecated, filesystem, library)2016-10-010.0.0.1athanclark
filepath2102.251775Library for manipulating FilePaths in a cross platform way. (bsd3, library, system)2024-11-171.5.4.0AustinSeipp, DuncanCoutts, HerbertValerioRiedel, IanLynagh, NeilMitchell, maerwald
filepath-bytestring (deprecated in favor of filepath)610.08Library for manipulating RawFilePaths in a cross platform way. (bsd3, deprecated, library, system)2025-01-201.5.2.0.2JoeyHess
filepath-crypto60.01Reversable and secure encoding of object ids as filepaths (bsd3, cryptography, library)2018-01-180.1.0.0gkleen
filepath-io-access20.01IO Access for filepath (development, gpl, library)2013-12-310.1.0.0bheklilr
filepather10.02Functions on System.FilePath (bsd3, library, test)2023-10-060.5.5TonyMorris
filepattern682.018File path glob-like matching (bsd3, development, filepath, library)2022-08-210.1.3NeilMitchell
fileplow60.01Library to process and search large files or a collection of files (bsd3, library, web)2017-07-010.1.0.0AlexanderThiemann
filestore450.08Interface for versioning file stores. (bsd3, data, library)2020-08-280.6.5GwernBranwen, JohnMacFarlane
filesystem-abstractions10.02A shared set of abstractions and types for representing filessytem data. (bsd3, library, system)2018-12-300AlecHeller, davean
filesystem-conduit (deprecated in favor of conduit-combinators)110.04Use system-filepath data types with conduits. (deprecated) (conduit, data, deprecated, library, mit)2014-03-201.0.0.2MichaelSnoyman
filesystem-enumerator (deprecated)20.01Enumerator-based API for manipulating the filesystem. (deprecated, enumerator, library, mit, system)2012-04-090.1.1JohnMillikin
filesystem-trees11.253Recursively manipulate and traverse filesystems as lazy rose trees. (bsd3, data, library, system)2015-05-030.1.0.6AdamCurtis
fillit10.01Flexible string substitution (bsd3, library, text)2017-09-060.1.0.0ishiy
filter-logger80.00Filterable request logging wai middleware. Change how data is logged and when. (library, mit, program, web)2017-07-150.6.0.0jmc41493
filters-basic20.01Allows to change the structure of the function output. (RealFrac, data, filters, library, mit)2023-01-310.2.0.0OleksandrZhabenko
filtrable460.04Class of filtrable containers (bsd3, data, library)2020-08-300.1.6.0MatthewFarkasDyck
fin612.014Nat and Fin: peano naturals and finite numbers (bsd3, data, dependent-types, library, math, singletons)2024-11-090.3.2phadej
fin-int50.04Finite sets of static size (apache, data, library)2023-03-130.2.0.1AndrewPritchard
final20.01utility to add extra safety to monadic returns (bsd3, library, unclassified)2013-08-310.1GergelyRisko
final-pretty-printer10.01Extensible pretty printing with semantic annotations and proportional fonts (library, mit, text)2017-05-250.1.0.0DavidDarais, dchristiansen
find-clumpiness40.01Find the clumpiness of labels in a tree (gpl, library, math, program)2019-01-210.2.3.2GregorySchwartz
find-conduit (deprecated in favor of pipes-files, conduit-find)30.01A file-finding conduit that allows user control over traversals. (deprecated, library, mit, program, system)2015-07-110.4.4JohnWiegley
find-source-files10.01Initial project template from stack (library, mit, test)2016-12-050.1.0.0oisdk
fingertree1122.060Generic finger-tree structure, with example instances (bsd3, data-structures, library)2022-01-290.1.5.0RossPaterson
fingertree-psqueue60.01Implementation of priority search queues as finger trees. (bsd3, data-structures, library)2011-09-280.3CaleGibbard
fingertree-tf10.01Generic finger-tree structure using type families. (bsd3, data, data-structures, library)2014-10-050.1.0.0pawel834
finitary62.03A better, more type-safe Enum. (data, gpl, library)2024-08-072.2.0.0koz_ross, sheaf
finitary-derive10.00Flexible and easy deriving of type classes for finitary types. (data, gpl, library)2021-02-113.0.0.1koz_ross, sheaf
finitary-optics30.00Prisms and Isos between finitary types. (data, gpl, library)2020-06-061.0.0.0koz_ross, sheaf
finite40.00Finite ranges via types (library, mit, types)2021-01-251.4.1.2kleinreact
finite-field150.04Finite Fields (algebra, bsd3, data, library, math)2021-01-020.10.0MasahiroSakai
finite-fields52.00Arithmetic in finite fields (bsd3, library, math)2023-11-080.2.0.1BalazsKomuves
finite-semigroups20.01Operations and classification for finite semigroups (library, math, mit)2023-10-260.1.0.0dakotah_lambert
finite-table30.00Types isomorphic to Fin, and Tables indexed by them. (apache, data, library)2021-09-170.1.0.1AndrewPritchard
finite-typelits452.020A type inhabited by finitely many values, indexed by type-level naturals (bsd3, data, library)2024-08-010.2.1.0mniip
finito50.00Constraint Solver for Finite Domains (ai, bsd3, library)2020-02-130.1.0.0MichaelSzvetits
firebase-database20.01Google Firebase Database SDK (cloud, database, google, library, network)2018-06-200.0.1NickHamilton
firefly21.50A simple HTTP server framework (bsd3, library, web)2017-12-030.2.1.0ChrisPenner
firestore30.00Wrapper for Google Firestore/Datastore API (bsd3, database, google, library)2021-10-180.1.0.0valyagolev
first-and-last20.01First and Last generalized to return up to n values (bsd3, data, library)2015-10-160.1.0.1andrus
first-class-families300.028First-class type families (library, mit, other)2024-04-030.8.1.0lyxia
first-class-instances20.00First class typeclass instances (bsd3, language, library)2020-02-020.1.0.0lyxia, TheMatten
first-class-patterns132.251First class patterns and pattern matching, using type families (bsd3, data, library, pattern)2019-10-010.3.2.5BrentYorgey, ReinerPope, vrom911
firstify30.01Defunctionalisation for Yhc Core (bsd3, development, library, program)2008-04-030.1NeilMitchell
fishfood60.01Calculates file-size frequency-distribution. (library, program, utils)2020-08-100.0.1.11AlistairWard
fit10.01FIT file decoder (bsd3, data, fitness, library, parsing)2016-03-040.5.2mgiles
fits-parse70.01Parse FITS files (bsd2, library, program, science)2024-07-300.4.2krakrjak
fitsio20.01A library for reading and writing data files in the FITS data format. (data, library, physics)2008-12-310.2EricSessoms
fitspec112.01refining property sets for testing Haskell programs (bsd3, library, testing)2021-06-010.4.10rudymatela
fix-parser-simple (deprecated)30.01Simple fix-expression parser (deprecated, library, parser)2011-12-1215320.3
fix-symbols-gitit40.01Gitit plugin: Turn some Haskell symbols into pretty math symbols. (bsd3, library, text)2010-11-180.1.0ConalElliott
fix-whitespace100.00Fixes whitespace issues. (library, mit, program, text)2023-08-070.1AndreasAbel, AndresSicardRamirez, NilsAndersDanielsson, UlfNorell, LTChen
fixed372.04Signed 15.16 precision fixed point arithmetic (bsd3, library, numeric)2019-06-070.3EdwardKmett
fixed-generic90.01Fixed-point number build on generic integral number (bsd3, library, numeric)2024-12-260.1.0.2YoshikuniJujo
fixed-length80.07Lists with statically known length based on non-empty package. (bsd3, data, library)2022-09-030.2.3.1HenningThielemann
fixed-list20.05A fixed length list type (bsd3, data, library)2015-05-100.1.6JobVranish
fixed-point (deprecated)20.03Binary fixed-point arithmetic (data, deprecated, game, library, math, mit, numerical)2011-08-270.5.0.1JakeMcArthur
fixed-point-vector (deprecated)20.01Unbox instances for the fixed-point package (data, deprecated, game, library, math, mit, numerical)2011-08-270.5.0.1JakeMcArthur
fixed-point-vector-space (deprecated)20.01vector-space instances for the fixed-point package (data, deprecated, game, library, math, mit, numerical)2011-08-270.5.0.1JakeMcArthur
fixed-precision50.01Fixed Precision Arithmetic (bsd3, library, math)2010-06-150.4.0EdwardKmett
fixed-storable-array20.01Fixed-size wrapper for StorableArray, providing a Storable instance. Deprecated - use storable-static-array instead. (bsd3, ffi, library)2013-08-020.3.1.1CarlHowells
fixed-timestep20.00Pure Haskell library to repeat an action at a specific frequency. (library, mit, time)2019-03-250.2.0.1Solonarv
fixed-vector210.012Generic vectors with statically known size. (bsd3, data, library)2023-10-311.2.3.0AlexeyKhudyakov
fixed-vector-binary50.01Binary instances for fixed-vector (bsd3, data, library)2021-11-131.0.0.2AlexeyKhudyakov
fixed-vector-cborg30.01Binary instances for fixed-vector (bsd3, data, library)2021-11-131.0.0.2AlexeyKhudyakov
fixed-vector-cereal20.01Cereal instances for fixed-vector (bsd3, data, library)2021-11-131.0.0.2AlexeyKhudyakov
fixed-vector-hetero140.01Library for working with product types generically (bsd3, data, library)2024-11-140.6.2.0AlexeyKhudyakov
fixed-width (deprecated)20.01Fixed width subsets of an Int64/Word64. (bsd3, deprecated, library, web)2016-12-130.1.0.0
fixedprec110.02A fixed-precision real number type (bsd3, data, library, math)2018-11-060.2.2.2PeterSelinger
fixedwidth-hs50.01Quick parsing of fixed-width data formats. (library, mit, program, text)2015-05-220.4.0.1MichaelOChurch
fixer22.01A Haskell client for http://fixer.io/ (api, bsd3, library)2018-01-280.0.0.0Norfair
fixfile32.01File-backed recursive data structures. (data, lgpl, library)2017-01-070.7.0.0rev_null
fixhs20.01FIX (co)parser (lgpl, library, parsing, program, protocol, text)2012-07-110.1.4ArvinMoezzi
fixie20.01Opininated testing framework for mtl style (spies, stubs, and mocks) (bsd3, library, test)2016-12-231.0.0jxv
fixplate50.02Uniplate-style generic traversals for optionally annotated fixed-point types. (bsd3, generics, library)2019-11-220.1.8BalazsKomuves
fixpoint40.02Data types as fixpoints (bsd3, data, library)2008-10-140.1.1RomanLeshchinskiy
fixtime30.01Some fixes to the time package (bsd2, data, library)2014-11-031.5.0.2pharpend
fizz-buzz20.01Functional Fizz/Buzz (bsd3, library, math)2017-01-260.1.0.3AlanHawkins
fizzbuzz10.01test (bsd3, game, library)2016-07-020.1.0.0paperlefthand
flac52.01Complete high-level binding to libFLAC (audio, bsd3, codec, library)2023-10-240.2.1mrkkrp, rockbmb
flac-picture60.01Support for writing pictures into FLAC metadata blocks with JuicyPixels (audio, bsd3, codec, image, library)2023-12-290.1.3mrkkrp
flag30.01A simple flag type. (data, library, mit)2023-04-080.1.0.0locallycompact
flag-dhall-instance20.00FromDhall and ToDhall instances for flag. (data, dhall, library, mit)2023-04-080.1.0.1locallycompact
flags-applicative220.00Applicative flag parsing (bsd3, library, web)2021-04-050.1.0.3mtth
flamethrower40.01A template engine for HTML (html, library, mit, text, web)2014-12-050.0.5.1charmander
flamingra20.01FlameGraphs of profiling (bsd3, development, library, program)2016-06-190.2AntonNikishaev
flashblast30.00Generate language learning flashcards from video. (library, mit, program, unclassified)2020-11-180.0.9.0locallycompact
flat302.255Principled and efficient bit-oriented binary serialization. (bsd3, data, library, parsing, serialization)2022-11-070.6PasqualinoAssini
flat-maybe20.01Strict Maybe without space and indirection overhead (bsd3, data, library)2015-11-110.1.0.0AndrasKovacs
flat-mcmc40.01Painless general-purpose sampling. (library, math, mit)2020-10-111.5.2JaredTobin
flatbuffers42.00Haskell implementation of the FlatBuffers protocol. (bsd3, data, library, network, serialization)2024-02-060.4.0.0dcastro
flatbuffers-builder40.00Flatbuffers encoding based on a syntax tree (bsd3, data, library)2025-03-101.0.0.0andrewthad
flatparse200.09High-performance parsing from strict bytestrings (library, mit, parsing)2024-12-260.5.2.1AndrasKovacs
flay70.01Generic programming for higher-kinded types. (bsd3, data, generics, library)2024-05-270.5RenzoCarbonara
flexible-defaults90.02Generate default function implementations for complex type classes. (code-generation, library, public-domain, template-haskell)2019-10-270.0.3JamesCook, PeterSimons
flexible-numeric-parsers20.00Flexible numeric parsers for real-world programming languages. (library, mit, parsing)2021-08-260.1.0.0patrick_thomson
flexible-time20.01simple extension of Data.UnixTime. (data, library, mit)2015-02-250.1.0.3tattsun
flexible-unlit50.01A configurable reimplementation of unlit (bsd3, development, library, program)2013-11-100.2013.314.0StijnVanDrongelen
flexiwrap10.02Flexible wrappers (bsd3, data, library)2011-09-230.1.0IainAlexander
flexiwrap-smallcheck10.01SmallCheck (Serial) instances for flexiwrap (bsd3, data, library)2011-09-230.0.1IainAlexander
flick-duration20.01work with durations of time using the Flick as the smallest unit (bsd3, library, time)2018-08-201.0.0clord
flickr20.01Haskell binding to the Flickr API (bsd3, library, program, web)2009-01-030.3.3SigbjornFinne
flight-igc30.01A parser for IGC files. (data, library, mpl, parsing)2018-09-111.0.0philderbeast
flight-kml20.01Parsing of pilot tracklogs dumped as KML. (data, flight, geography, gps, kml, library, mpl, parsing, xml)2018-09-111.0.1philderbeast
flink-statefulfun60.00Flink stateful functions SDK (flink, library, mpl, web)2021-08-030.4.0.0tdbgamer
flippers30.03Variations on flip for multiple arguments (bsd3, library, other)2014-01-211.0.1ChristianMarie
flite20.01f-lite compiler, interpreter and libraries (bsd3, compiler, library)2009-11-170.1.2JasonReich
flo40.01Generate flow charts from your code base. (bsd3, development, library, program)2015-09-140.1.1ChrisDone
float-binstring10.01C99 printf "%a" style formatting and parsing (bsd3, data, library, numerical)2014-07-230.2AntonNikishaev
float12820.03FFI bindings for C _Float128 (bsd3, library, math)2020-06-150.1ClaudeHeilandAllen
floating-bits30.02Bitwise accurate floating point conversion, and Unit of Lease Precision calculation. (bsd3, data, library)2023-12-240.3.1.0JonasScholl, Juri_
floatshow160.03Alternative faster String representations for Double and Float, String representations for more general numeric types. (bsd3, library, text)2014-03-190.2.4DanielFischer
flock112.02Wrapper for flock(2) (library, system)2023-11-170.3.2.1ErikHesselink, IanLynagh
floskell492.01A flexible Haskell source code pretty printer (bsd3, development, library, program)2023-12-180.11.1ecramer
flow402.510Write more understandable Haskell. (combinators, functions, library, mit, utility)2025-03-172.0.0.7fozworth
flow-er20.01More directional operators (combinators, functions, library, mit, utility)2016-06-131.0.3expede
flow2dot40.01Library and binary to generate sequence/flow diagrams from plain text source (bsd3, console, library, program, tool)2020-06-160.9.2DmitryAstapov
flowdock20.01Flowdock client library for Haskell (library, mit, web)2015-06-250.3.0.1IanDuncan
flowdock-api20.01API integration with Flowdock. (library, mit, network, program)2013-11-120.1.0.0gabemc
flowdock-rest10.01Flowdock REST API (bsd3, library, web)2015-09-090.1.0.0phadej
flowlocks-framework40.01Generalized Flow Locks Framework (bsd3, library, security)2022-05-170.1.4NiklasBroberg
flp10.00A layout spec language for memory managers implemented in Rust. (compiler, library, mit, program)2020-01-270.1.0.0KarlCronburg
fltkhs142.03FLTK bindings (graphics, gui, library, mit, program, ui, user-interfaces)2020-02-210.8.0.3deech
fltkhs-themes20.01A set of themed widgets that provides drop in replacements to the ones in FLTKHS. (bsd3, graphics, gui, library, ui, user-interfaces)2020-02-210.2.0.3deech
fluent-logger30.02A structured logger for Fluentd (Haskell) (apache, library, network)2015-06-270.2.3.1NoriyukiOhkawa
fluent-logger-conduit50.01Conduit interface for fluent-logger (conduit, library, network)2014-11-150.3.0.0NoriyukiOhkawa
fluffy-parser32.01The parser for fluffy to parsec the question bank in .docx type (gpl, library, text)2017-11-270.1.0.50qinka
fluid-idl122.02Code-generated, Auto-versioned, & Smart Web APIs (bsd3, library, web)2018-04-090.0.6jxv
fluid-idl-http-client42.01Http Client addon for Fluid (bsd3, library, web)2017-10-170.0.0jxv
fluid-idl-scotty22.01Scotty server add-on for Fluid (bsd3, library, web)2017-10-170.0.0jxv
fluidsynth20.01Haskell bindings to FluidSynth (library, mit, sound)2013-01-290.2.0.0CorbinSimpson
flush-queue70.00Concurrent bouded blocking queues optimized for flushing. Both IO and STM implementations. (bsd3, concurrency, library)2019-03-291.0.0lehins
flux-monoid10.01A monoid for tracking changes (bsd3, data-structures, library)2018-06-240.1.0.0ChrisPenner
fmlist540.05FoldMap lists (bsd3, data, library)2020-08-180.9.4SjoerdVisscher
fmr50.02Fields for Monadic Records library (bsd3, library, syntax)2021-10-310.2AndreyMulik
fmt210.031A new formatting library (bsd3, library, text)2021-09-060.6.3.0ChrisDornan
fmt-for-rio30.00Adaptor for getting fmt to work with rio (bsd3, control, library, text)2019-07-231.0.0.0ChrisDornan
fmt-terminal-colors60.01ANSI terminal colors formatters for fmt library (bsd3, library, text)2018-10-190.1.0.1kfigiela
fn72.251A functional web framework. (library, web)2017-09-130.3.0.2DanielPatterson, LibbyHoracek
fn-extra22.01Extras for Fn, a functional web framework. (library, web)2017-09-130.3.0.2DanielPatterson, LibbyHoracek
fnmatch10.00fnmatch C wrapper (apache, library, system)2024-01-080.1.0.0domenkozar
focus442.017A general abstraction for manipulating elements of container data structures (containers, data, library, mit)2023-10-161.0.3.2NikitaVolkov
focuslist110.01Lists with a focused element (bsd3, library, text)2022-01-040.1.1.0cdepillabout, JosefThorne
fold-debounce210.03Fold multiple events that happen in a given period of time. (bsd3, control, library)2025-03-190.2.0.15debugito
fold-debounce-conduit180.01Regulate input traffic from conduit Source with Control.FoldDebounce (bsd3, conduit, library)2022-11-250.2.0.7debugito
foldable-ix30.07Functions to find out the indices of the elements in the Foldable structures (data, library, mit)2023-01-280.3.0.0OleksandrZhabenko
foldable1 (deprecated)30.02Foldable types with at least 1 element (bsd3, deprecated, library, unclassified)2018-08-140.1.0.0
foldable1-classes-compat900.014Compatibility package for the Foldable1 and Bifoldable1 type classes (bsd3, compatibility, data, library)2024-12-060.1.1ryanglscott
foldl1542.5120Composable, streaming, and efficient left folds (bsd3, control, library)2024-12-201.4.18GabrielGonzalez
foldl-exceptions62.00Exception handling with FoldM (control, library, mit)2023-01-111.0.0.2chris_martin, Monoid_Mary
foldl-incremental72.01incremental folds (control, library, mit, statistics)2015-02-230.2.0.0tonyday
foldl-statistics152.01Statistical functions from the statistics package implemented as Folds. (bsd3, library, math, statistics)2018-09-250.1.5.1AlexMason
foldl-transduce42.01Transducers for foldl folds. (bsd3, control, library)2021-03-190.6.0.1DanielDiazCarrete
foldl-transduce-attoparsec10.01Attoparsec and foldl-transduce integration. (bsd3, control, library)2016-02-120.2.0.0DanielDiazCarrete
folds142.05Beautiful Folding (bsd3, comonads, data, enumerator, library)2022-05-180.7.8EdwardKmett, EricMertens, ryanglscott
folds-common10.01A playground of common folds for folds (data, library, mit)2014-12-300.2.0.0jozefg
folgerhs20.00Toolset for Folger Shakespeare Library's XML annotated plays (gpl, library, program, text)2018-01-250.3.0.2umazalakain
follow20.00Haskell library to follow content published on any subject. (lgpl, library, program, web)2018-09-140.1.0.0cram1010
follow-file50.00Be notified when a file gets appended, solely with what was added. Warning - only works on linux and for files that are strictly appended, like log files. (bsd3, filesystem, library, program)2018-11-270.0.3athanclark
foma20.01Simple Haskell bindings for Foma. (language, library, mit)2021-01-280.1.2.0joom
font-awesome-type40.01A Font Awesome data type enumerating all icon classes (bsd3, library, web)2016-10-120.1SeanLeather
font-opengl-basic4x640.01Basic4x6 font for OpenGL (graphics, library, program, public-domain)2012-06-040.0.3BrianLewis
fontconfig-pure60.01Queries your system (Linux/BSD/etc) font database. (library, mit, program, text)2025-02-030.5.1.0alcinnz
foobar (deprecated)40.00Initial project template from stack (bsd3, deprecated, library, program, web)2016-06-290.1.0.0parsonsmatt
for-free20.01Functor, Monad, MonadPlus, etc for free (control, library, public-domain)2012-07-090.1AaronBlack
forbidden-fruit20.01A library accelerates imperative style programming. (bsd3, control, library)2015-02-240.1.0minpou
force-layout250.02Simple force-directed layout (bsd3, library, physics)2024-10-250.4.1BrentYorgey, RyanYates, jeffreyrosenbluth, bergey, cchalmers
forecast-io20.01A Haskell library for working with forecast.io data. (bsd3, library, web)2015-04-110.2.0.0stormont
foreign20.00A collection of helpers for ffi. (bsd3, foreign, library)2023-10-240.2.1.0lyndward
foreign-storable-asymmetric50.02Types and instances for implementing a Storable with different peek and poke (bsd3, foreign, library)2012-04-280.0.1AndrewMiller
foreign-store242.2512Store a stable pointer in a foreign context to be retrieved later. (bsd3, development, library)2024-02-260.2.1ChrisDone, esz
foreign-var (deprecated in favor of StateVar)10.03Encapsulating mutatable state in external libraries (bsd3, deprecated, ffi, library, mutable-state)2015-03-080.1EdwardKmett
forest20.01Tree and Forest types (control, library, mpl)2018-08-020.2.1.1ShaneOBrien
forest-fire30.00Recursively delete CloudFormation stacks and their dependants (bsd3, library, program, silly-tool)2017-12-270.3toothbrush
forex2ledger32.00Print Forex quotes in Ledger format (agpl, finance, library, program)2021-07-281.0.0.2gregorias
forger (deprecated)20.00Library for generating fake placeholder data (bsd3, deprecated, library, program, text)2015-04-220.0.0.0StefanFischer
forkable-monad72.03An implementation of forkIO for monad stacks. (bsd3, concurrent, library)2018-06-190.2.0.3DavidAnderson, mpahrens
forma90.01Parse and validate forms in JSON format (bsd3, library, web)2021-10-111.2.0mrkkrp, tzemanovic
format20.01Rendering from and scanning to format strings (library, mit, text)2012-05-230.1.0.0ScottLawrence
format-numbers100.02Various number formatting functions (library, mit, web)2020-02-130.1.0.1AlexanderThiemann
formatn150.03Formatting of doubles. (bsd3, library, text)2024-10-120.3.1.0tonyday567
formattable40.01Business-quality formatting of numbers, dates, and other things (bsd3, library, text)2015-08-070.1.1DougBeardsley
formatting1192.2578Combinator-based type-safe formatting (like printf() or FORMAT) (bsd3, library, text)2022-11-257.2.0ChrisDone, AlexChapman
formlets (deprecated in favor of digestive-functors)30.06Formlets implemented in Haskell (bsd3, deprecated, library, text, user-interfaces, web, xml)2010-12-220.8ChrisEidhof, DougBeardsley
formlets-hsp (deprecated in favor of digestive-functors-hsp)30.02HSP support for Formlets (bsd3, deprecated, library, text, user-interfaces, web, xml)2010-10-182.3.1JeremyShaw
forms-data-format70.01Parse and serialize FDF, the Forms Data Format (bsd3, data, library, text)2024-03-010.2.1MarioBlazevic
formura20.00Formura is a simple language to describe stencil computation. (language, library, mit, program)2015-12-041.0TakayukiMuranushi
forsyde-deep20.00ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, hardware, language, library)2018-12-260.2.0ugeorge, ingo, JorRodolfo
forsyde-shallow90.01ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, language, library)2021-03-193.5.0.0ugeorge, ingo, JorRodolfo
forth-hll (deprecated)30.01A simple eDSL for generating arrayForth code. (deprecated, gpl, language, library)2013-01-060.1.0.0TikhonJelvis
fortran-src80.03Parsers and analyses for Fortran standards 66, 77, 90, 95 and 2003 (partial). (apache, language, library, program)2024-09-300.16.3DominicOrchard, mdanish, madgen, raehik
fortran-src-extras110.01Common functions and utils for fortran-src. (apache, language, library, program)2023-05-040.5.0raehik
fortran-vars20.00Fortran memory model and other static analysis tools. (apache, language, library, program)2023-06-220.4.0raehik
fortytwo50.02Interactive terminal prompt (library, mit, prompt)2023-08-262.0.0gianlucaguarini
forward-chan22.01Concurrent channels with a forwarding primitive (concurrency, library)2017-07-280.0.0.0MatthewMirman
foscam-directory90.01Foscam File format (bsd3, data, file, library)2016-11-260.0.8TonyMorris
foscam-filename70.02Foscam File format (bsd3, data, file, library, parsing)2015-11-190.0.4TonyMorris
foscam-sort20.01Foscam File format (bsd3, data, file, library, parsing, program)2016-11-260.0.3TonyMorris
foundation-edge40.01foundation's edge with the conventional set of packages (bsd3, foundation, library)2017-11-160.0.3VincentHanquez
fountain40.01A fountain codec. (bsd3, codec, library)2012-10-090.1RubenAstudillo, TomHawkins
fourmolu991.251A formatter for Haskell source code (bsd3, development, formatting, library, program)2025-01-250.18.0.0parsonsmatt, brandonchinn178, GeorgeThomas
fp-ieee20.01IEEE 754-2019 compliant operations (bsd3, library, math, numeric)2024-12-150.1.0.5aratamizuki
fpco-api30.01Simple interface to the FP Complete IDE API. (bsd3, development, library)2015-02-171.2.0.5ChrisDone, MichaelSnoyman
fpe40.00Format-preserving encryption. (cryptography, library, mit)2023-07-240.1.2galen
fpipe20.01F#-style composition and application (bsd3, library, unclassified)2010-05-240.0.1BenSchulz
fplll10.00Haskell bindings to <https://fplll.github.io/fplll/ fplll> (lgpl, library, math)2019-12-050.1.0.0lanceroy
fpnla20.02A library for NLA operations (bsd3, library, math)2014-02-040.1.1mblanco
fpnla-examples30.01Example implementations for FPNLA library (bsd3, library, math, parallelism)2014-02-040.1.1mblanco
fractals10.01A collection of useful fractal curve encoders (bsd3, library, math)2015-08-100.1.0.0sdekker
fractaltext60.00Reference implementation of FractalText (apache, data, library)2025-02-240.1.00y2k
fraction40.04Fractions (bsd3, data, library)2016-07-190.1.0.6WolfgangJeltsch
fractionizer10.00Numbers in the range [0.005, 1] as a sum of 2, 3, 4 or 5 unit fractions of special types. (#AncientEgypt, language, library, math, mit, music, sound)2023-10-190.17.0.0OleksandrZhabenko
frame20.02A simple web framework. (bsd3, library, program, web)2010-05-300.1AdamDunkley
frame-markdown20.01A markdown to Frame GUI writer for Pandoc (bsd3, library, web)2010-05-300.1AdamDunkley
franchise20.01A package for configuring and building Haskell software (bsd3, distribution, library)2008-11-110.0.6DavidRoundy
franz40.00Append-only database (bsd3, database, library, program)2022-01-140.5.3FumiakiKinoshita
fraxl32.251Cached and parallel data fetching. (bsd3, concurrency, library)2019-02-070.3.0.0willfancher
freckle-app180.00Haskell application toolkit used at Freckle (library, mit, utils)2025-02-181.23.0.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-ecs30.00Small utility for Amazon Elastic Container Service (library, mit, prelude)2025-01-220.0.0.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-env40.02Some extension to the envparse library (environment, library, mit, system)2024-08-090.0.1.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-exception20.02Some extensions to the annotated-exception library (exceptions, library, mit)2024-08-130.0.0.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-http40.02Toolkit for making HTTP requests (http, library, mit, utils)2025-02-120.1.0.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-kafka30.00Some extensions to the hw-kafka-client library (database, library, mit)2024-12-200.0.0.2PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-memcached40.01.. (database, library, mit)2024-08-090.0.0.2PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-otel30.02... (library, metrics, mit, monitoring, observability, opentelemetry, telemetry)2024-08-090.0.0.2PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-prelude40.01Standard prelude for Freckle applications (library, mit, prelude)2024-08-130.0.1.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freckle-stats30.00An intentionally-leaky StatsD interface to Datadog (library, mit, prelude)2025-01-220.0.0.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
freddy30.01RabbitMQ Messaging API supporting request-response (library, mit, network)2016-10-080.1.2.0indrek
free1452.5206Monads for free (bsd3, control, library, monads)2023-03-125.2EdwardKmett, EricMertens, JohnWiegley, ryanglscott
free-alacarte52.02Free monads based on intuitions from the Data types à la Carte. (lgpl, library, unclassified)2024-11-291.0.0.9jjba
free-algebras292.02Free algebras (algebra, control, library, monads, mpl)2024-09-010.1.2.0coot
free-applicative-t20.01Free Applicative Transformer (bsd3, control, library)2022-12-310.1.0.0viercc
free-categories100.01free categories (bsd3, control, library)2020-09-290.2.0.2echatav
free-category82.01efficient data types for free categories and arrows (algebra, category, category-theory, control, library, monads, mpl)2023-06-040.0.4.5coot
free-concurrent20.01Free monads suitable for concurrent computation (concurrency, library, mit)2015-11-200.1.0.1srijs
free-er40.00An extensible effects library (bsd3, control, effect, library, program)2017-10-100.1.0.0OmerAgacan
free-foil70.00Efficient Type-Safe Capture-Avoiding Substitution for Free (Scoped Monads) (bsd3, library, parsing)2024-10-270.2.0NickolayKudasov
free-functors182.01Free functors, adjoint to functors that forget class constraints. (bsd3, category-theory, data, library, math)2020-10-051.2.1SjoerdVisscher
free-game50.01Create games for free (bsd3, graphics, library, monads)2022-08-291.2FumiakiKinoshita
free-http20.01An HTTP Client based on Free Monads. (library, mit, network)2015-12-300.2.0aaronlevin
free-listt20.00Lawful list and set monad transformers based on free monads (control, library, mit)2024-01-030.1.0.1turion
free-operational30.02Operational Applicative, Alternative, Monad and MonadPlus from free types. (bsd3, control, library)2013-08-080.5.0.0LuisCasillas
free-theorems30.03Automatic generation of free theorems. (language, library, public-domain)2022-12-210.3.2.1DanielSeidel, JanisVoigtlaender, JoachimBreitner
free-theorems-counterexamples60.01Automatically Generating Counterexamples to Naive Free Theorems (language, library, program, public-domain)2013-02-140.3.1.0DanielSeidel, JanisVoigtlaender
free-theorems-seq20.01Taming Selective Strictness (language, library, public-domain)2011-03-111.0DanielSeidel, JanisVoigtlaender
free-vector-spaces60.04Instantiate the classes from the vector-space package with types from linear (bsd3, library, math)2022-06-010.1.5.2leftaroundabout
free-vl60.00van Laarhoven encoded Free Monad with Extensible Effects (bsd3, control, library, monads, program)2016-02-100.1.4aaronlevin
freelude30.01A generalisation of the Category->Functor->Applicative->Monad hierarchy and more (bsd3, library, prelude)2018-01-310.3.2.0clinton
freenect80.01Interface to the Kinect device. (bsd3, graphics, library)2015-09-151.2.1ChrisDone
freer52.250Implementation of the Freer Monad (bsd3, control, library, program)2016-11-250.2.4.1alleledev
freer-converse30.01Handle effects conversely using monadic conversation (bsd3, library, testing)2017-05-270.1.0.0RobertHensing
freer-effects42.02Implementation of effect system for Haskell. (bsd3, control, library, program)2017-04-160.3.0.1MatejKollar, PeterTrsko, TomasJanousek
freer-indexed20.01Freer indexed monad for type-level resource-aware effectual operations. (bsd3, effects, library)2020-07-070.1.0.0epoberezkin
freer-par-monad60.01Freer par monad (bsd3, library, monads)2023-12-010.1.0.0YoshikuniJujo
freer-simple122.012A friendly effect system for Haskell. (bsd3, control, library, program)2022-01-071.2.1.2lexi_lambda
freer-simple-catching20.01Checked runtime exceptions with freer-simple (control, library, mit)2018-11-120.1.0.0benweitzman
freer-simple-http10.01Make HTTP requests with freer-simple! (control, http, library, mit, web)2018-11-120.1.0.0benweitzman
freer-simple-profiling20.01Automatic profling of freer-simple programs (benchmarking, control, library, mit, profiling)2018-11-120.1.0.0benweitzman
freer-simple-random20.01Random number generators using freer-simple (control, library, mit, random)2018-11-120.1.0.0benweitzman
freer-simple-time10.01freer-simple interface to IO based time functions (control, library, mit, time)2018-11-120.1.0.0benweitzman
freesound20.01Access the Freesound Project database (bsd3, library, sound, web)2016-02-190.3.0StefanKersten
freetype-simple10.01Single line text rendering for OpenGL ES (graphics, library, public-domain)2014-11-270.1.0.1capsjac
freetype2142.010Haskell bindings for FreeType 2 library (bsd3, graphics, library)2020-03-220.2.0JasonDagit, Mokosha, OleksiiDivak
french-cards30.01French Playing Cards (bsd3, game, library)2016-09-190.1.1TarasSerduke
freq30.00Are you ready to get freaky? (data, library, mit, text)2019-04-290.1.1chessai
frequent-substring20.00Identifies and replaces frequent subsequences in long strings (bsd3, cli-tool, library, program)2025-01-160.1.0.0mherzl
fresco-binding90.01Fresco binding for Haskell (development, ffi, interfaces, library)2017-09-220.3.0PeterAlthainz
fresh40.01Introduce fresh variables into Haskell source code (language, library, mit)2012-01-030.1.1DavidLazar
fresnel20.01high-powered optics in a small package (bsd3, control, library)2024-10-050.1.0.1robrix
fresnel-fused-effects40.00fresnel/fused-effects integration (bsd3, control, library)2024-09-240.0.0.1robrix
friday72.06A functional image processing library for Haskell. (graphics, lgpl, library)2023-05-200.2.3.2RaphaelJavaux, ThomasDuBuisson
friday-devil20.03Uses the DevIL C library to read and write images from and to files and memory buffers. (graphics, lgpl, library)2015-03-080.1.1.1RaphaelJavaux
friday-juicypixels110.01Converts between the Friday and JuicyPixels image types (bsd3, codec, library)2018-03-170.1.2.4ThomasDuBuisson, k_bx, haskell_github_trust
friday-scale-dct10.01Scale Friday images with DCT (bsd3, graphics, library)2015-11-301.0.0.1AlexMason
friendly-time70.05Print time information in friendly ways (bsd3, library, web, yesod)2017-07-210.4.1PatrickBrisbin
frisby120.01Linear time composable parser for PEG grammars (bsd3, library, text)2023-12-020.2.5BenGamari, ChrisDone
from-env20.00Provides a generic way to construct values from environment variables. (configuration, library, mit)2023-08-170.1.3.0
from-sum142.03Combinators for working with Maybe and Either (bsd3, control, library)2020-01-250.2.3.0cdepillabout
fromhtml30.00Simple adapter for transformation of HTML to other formats (library, mit, program, text)2020-01-141.0.4MarekSuchanek
front30.00A reactive frontend web framework (bsd3, library, web)2020-05-010.0.0.8swamp_agr
frontmatter90.04Parses frontmatter as used in Jekyll markdown files. (data, library, mit)2015-12-200.1.0.2yamadapc
frp-arduino50.01Arduino programming without the hassle of C. (gpl, language, library)2018-03-260.1.1.0RickardLindberg, JeremyWright
frpnow12.54Principled practical FRP (bsd3, control, library)2015-08-250.18AtzeVanDerPloeg
frpnow-gloss20.01Program awesome stuff with Gloss and frpnow! (bsd3, control, library)2015-07-140.12AtzeVanDerPloeg
frpnow-gtk10.01Program GUIs with GTK and frpnow! (bsd3, control, library)2015-07-140.11AtzeVanDerPloeg
frpnow-gtk330.00Program GUIs with GTK3 and frpnow! (bsd3, library, ui)2017-05-030.2.0gtsteel
frpnow-vty20.00Program terminal applications with vty and frpnow! (control, gpl, library, program)2018-03-190.2.0.1JaroReinders
frquotes30.01Lexical extension for Quasi-Quotations using French-Quotes (bsd3, library, program, text)2011-10-130.2.1NicolasPouillard
fs-api340.01Abstract interface for the file system (apache, library, system)2024-10-020.3.0.1jasagredo, jdral, IOHK
fs-events10.02A haskell binding to the FSEvents API (bsd3, library, system)2012-05-090.1NickPartridge
fs-sim190.00Simulated file systems (apache, library, testing)2024-12-100.3.1.0jasagredo, jdral, IOHK
fsh-csv10.01csv parser for fsh (distribution, library, mit)2017-04-270.2.0.0iostreamer
fsharp (deprecated)30.02some F# operators, high priority pipes (bsd3, control, deprecated, library)2014-02-180.0.4Heather
fsmActions80.01Finite state machines and FSM actions (bsd3, data, library)2012-12-140.4.4AndyGimblett
fsnotify1072.061Cross platform library for file change notification. (bsd3, filesystem, library, program)2025-03-210.4.2.0GregWeber, MarkDittmer, RaphaelJavaux, RomanCheplyaka, thomasjm
fsnotify-conduit60.01Get filesystem notifications as a stream of events (conduit, data, library, mit)2018-06-040.1.1.1MichaelSnoyman
fst20.02Finite state transducers (bsd3, compilers-interpreters, library, program)2015-04-290.10.0.1GwernBranwen, JohnCamilleri, ThomasHallgren
fsutils10.01File system utilities for Haskell that are missing from built in libraries. (library, mit, system)2012-11-060.1.2AnthonyGrimes
fswatch20.01File System watching tool with cli and slave functionalities. (bsd3, filesystem, library, program)2018-12-130.1.0.6kelemzol
ftdi92.01A thin layer over USB to communicate with FTDI chips (bsd3, hardware, library, system)2025-02-190.3.0.4BenGamari, RoelVanDijk, dopamane
ftp-client102.252Transfer files with FTP and FTPS (library, public-domain, web)2024-05-180.5.1.6miscyb, janus, flipstone
ftp-client-conduit42.251Transfer file with FTP and FTPS with Conduit (library, public-domain, web)2019-09-240.5.0.5miscyb
ftp-conduit30.01FTP client package with conduit interface based off http-conduit (bsd3, conduit, library, network)2012-06-020.0.5MylesMaxfield
ftphs20.03FTP Client and Server Library (library, network)2017-04-241.0.9.2JohnGoerzen
ftree20.01Depth-typed functor-based trees, both top-down and bottom-up (bsd3, data, library)2019-02-080.1.5ConalElliott
fudgets20.00The Fudgets Library (concurrency, gui, library, network, program)2023-06-270.18.4ThomasHallgren
fugue30.01A recapitulated prelude with minimal dependencies and profligate exports. (bsd3, development, library)2012-09-150.1AlecHeller
full-sessions40.01a monad for protocol-typed network programming (bsd3, control, library, network)2012-01-230.6.2.1KeigoImai
full-text-search90.01In-memory full text search engine (bsd3, data, library, search, text)2025-01-250.2.2.3AdamGundry, BenGamari, DuncanCoutts, MikolajKonarski
fullstop50.02Simple sentence segmenter (bsd3, library, natural-language-processing, program)2014-08-210.1.4EricKow, RoganCreswick
funbot-client30.00Report events to FunBot over a JSON/HTTP API. (library, network, public-domain, web)2015-09-190.1.0.1akrasner
funbot-ext-events30.01Interact with FunBot's external events. (library, network, public-domain, web)2016-01-270.3.0.0akrasner
funcmp82.01Functional MetaPost is a Haskell frontend to the MetaPost language (gpl, graphics, library)2018-01-291.9PeterSimons
funcons-tools12.00A modular interpreter for executing funcons (compilers-interpreters, library, mit, program)2023-04-170.2.0.15ltvanbinsbergen
funcons-values20.01Library providing values and operations on values in a fixed universe. (compilers-interpreters, library, mit)2021-06-260.1.0.9ltvanbinsbergen
function-builder60.01Create poly variadic functions for monoidal results (bsd3, data-structures, library)2019-02-060.3.0.1SvenHeyll
function-combine10.01Combining functions (bsd3, control, library)2011-09-230.1.0IainAlexander
function-instances-algebra20.01Instances of the Algebra.* classes for functions (bsd3, library, math)2012-03-250.1TobiasBrandt
functional-arrow10.02Combinators that allow for a more functional/monadic style of Arrow programming (bsd3, combinators, library)2010-09-260.0HenningThielemann
functional-kmp30.01KMP implemented on haskell's built-in cons-cell-based lists. (bsd3, data, library)2015-11-120.1.0.0mniip
functor (deprecated in favor of category)30.01Functors (bsd3, control, deprecated, library, math)2017-11-160.1.0.0
functor-apply (deprecated in favor of semigroupoids)370.06This package has been subsumed by semigroupoids (bsd3, control, deprecated, library)2011-01-300.11EdwardKmett
functor-classes-compat180.02Data.Functor.Classes instances for core packages (bsd3, data, library)2021-12-192.0.0.2phadej
functor-combinators250.01Tools for functor combinator-based program design (bsd3, data, library)2024-01-090.4.1.3jle
functor-combo200.02Functor combinators with tries & zippers (bsd3, data, library)2015-05-040.3.6ConalElliott
functor-friends20.01Friendly helpers for your recursion schemes. (bsd3, data-structures, library)2017-10-080.1.0.0mnoonan
functor-infix62.05Infix operators for mapping over compositions of functors. Lots of them. (data, library, mit)2017-04-230.0.5vi
functor-monad20.00FFunctor: functors on (the usual) Functors (bsd3, comonads, functors, library, monads)2024-09-290.1.1.1viercc
functor-monadic40.02Monad-style combinators for functors. (apache, data, library)2015-05-170.1.0.3jtapolczai, jtapolczai2
functor-products70.02General functor products for various Foldable instances (bsd3, data, library)2024-05-200.1.2.2jle
functor-utils20.02Collection of functor utilities, providing handy operators, like generalization of (.). (apache, data, library)2018-12-181.17.2danilo2, iamrecursion
functora-witch20.00Convert values from one type into another. (data, library, mit)2024-12-091.2.0.2functora
functorm20.01Data.FunctorM (compatibility package) (bsd3, generics, library)2007-07-071.0.1StefanORear
functors30.01(.:) and friends, syntax for Functor and Applicative. (bsd3, control, library)2010-11-280.1AristidBreitkreuz
funflow42.02Workflows with arrows (control, library, mit, program)2020-03-091.6.0nclarke
funflow-nix20.00Utility functions for using funflow with nix (bsd3, library, unclassified)2018-11-170.1.0.0mpickering
fungll-combinators50.00GLL parser with simple combinator interface (bsd3, compilers, library)2023-05-260.4.1.1ltvanbinsbergen
funnyprint60.01funnyPrint function to colorize GHCi output. (library, mit, text)2016-06-060.0.5netsu
funpat10.01A generalization of pattern matching (bsd3, language, library)2011-07-010.1GergelyDevai
funsat30.02A modern DPLL-style SAT solver (algorithms, bsd3, library, program)2011-02-270.6.2DenisBueno
funspection10.01Type-level function utilities (bsd3, library, type-system)2020-09-111.0.0.1ThomasEding
fused-effects492.7518A fast, flexible, fused effect system. (bsd3, control, library)2025-01-081.1.2.4patrick_thomson, robrix, joshvera
fused-effects-exceptions110.00Handle exceptions thrown in IO with fused-effects. (bsd3, control, control., library)2021-06-081.1.0.1patrick_thomson, robrix
fused-effects-lens72.01Monadic lens combinators for fused-effects. (bsd3, control, library)2020-07-101.2.0.1patrick_thomson, robrix
fused-effects-mwc-random20.00High-quality random number generation as an effect. (bsd3, control, library)2020-10-050.1.0.0patrick_thomson
fused-effects-optics60.00Bridge between the optics and fused-effects ecosystems. (bsd3, control, library)2025-01-080.3.0.0patrick_thomson
fused-effects-random60.00Random number generation for fused-effects. (bsd3, control, library)2024-10-041.1.0.1patrick_thomson, robrix
fused-effects-readline80.00A readline-like effect and carrier for fused-effects (bsd3, development, library)2025-01-080.2.0.0patrick_thomson, robrix
fused-effects-resumable30.00Resumable exceptions for the fused-effects ecosystem. (bsd3, control, library)2019-11-130.1.0.0patrick_thomson
fused-effects-squeal22.250A fused-effects adapter for squeal-postgresql. (bsd3, control, library)2020-01-260.1.0.0iko
fused-effects-th20.00Template Haskell helpers for fused-effects. (bsd3, control, library)2021-04-070.1.0.3patrick_thomson, robrix
fusion (deprecated in favor of streaming)20.01Effectful streaming library based on shortcut fusion techniques (bsd3, data, deprecated, library)2015-08-120.2.0JohnWiegley
fusion-plugin162.01GHC plugin to make stream fusion more predictable. (apache, development, library)2023-11-010.2.7harendra, pranaysashank, adithyaov, ranjeetra
fusion-plugin-types120.04Types for the fusion-plugin package. (bsd3, development, library)2020-02-170.1.0harendra, pranaysashank
futhark1172.251An optimising compiler for a functional, array-oriented language. (futhark, library, program)2025-03-220.25.29TroelsHenriksen
futhark-data182.02An implementation of the Futhark data format. (futhark, library)2024-09-181.1.1.0TroelsHenriksen
futhark-manifest212.01Definition and serialisation instances for Futhark manifests. (futhark, library)2024-07-221.5.0.0TroelsHenriksen
futhark-server212.01Client implementation of the Futhark server protocol. (futhark, library)2024-10-251.2.3.0TroelsHenriksen
futhask42.00Generate Haskell wrappers for Futhark libraries (bsd3, ffi-tools, library, program)2022-09-230.2.0GustenIsfeldt
future10.01Supposed to mimics and enhance proposed C++ "future" features (bsd3, concurrency, library)2009-03-122.0.0ChrisKuklewicz
future-resource30.02realtime resource handling with manual concurrency (control, lgpl, library)2015-04-220.4.0.0capsjac
futures50.01Simple and fast implementation of Future (concurrency, futures, library, mit)2018-08-140.1NikitaVolkov
fuzzcheck50.01A simple checker for stress testing monadic code (bsd3, library, testing)2014-06-070.1.1JohnWiegley
fuzzily30.01Filters a list based on a fuzzy string search (filter, find, fuzzy, library, search, text)2024-05-030.2.0.0adrian
fuzzy350.06Filters a list based on a fuzzy string search. (library, mit, text)2024-01-050.1.1.0cattheory
fuzzy-dates51.752Libary for parsing dates in strings in varied formats. (bsd3, library, parsing)2020-03-070.1.1.2ReedOei
fuzzy-parse30.00Tools for processing unstructured text data (library, mit, parsing, text)2020-07-070.1.2.0voidlizard
fuzzy-time90.03 (library, mit, time)2024-01-180.3.0.0Norfair
fuzzy-time-gen40.01 (library, mit, time)2024-01-180.3.0.0Norfair
fuzzy-timings20.01Translates high-level definitions of "fuzzily" scheduled objects (e.g. play this commercial 10 times per hour between 9:00-13:00) to a list of accurately scheduled objects using glpk-hs. (library, mit, scheduling)2014-04-010.0.1TeroLaitinen
fuzzyfind70.00Fuzzy text matching (library, mit, program, text)2024-06-273.0.2runar
fuzzyset210.01Fuzzy set data structure for approximate string matching (bsd3, data, library)2024-03-080.3.2arbelos
fuzzytime60.01A 'ten past six' style clock (library, program, utils)2016-12-060.7.8KamilStachowski
fvars30.00Fast Mutable Vars (bsd3, data, library)2019-09-221.0.0.0erick
fwgl (deprecated in favor of ombra)52.253Game engine (bsd3, deprecated, game, game-engine, javascript, library)2015-09-060.1.4.0ZioCrocifisso
fwgl-glfw (deprecated in favor of ombra)50.01FWGL GLFW backend (bsd3, deprecated, game, game-engine, library)2015-09-060.1.1.1ZioCrocifisso
fwgl-javascript (deprecated in favor of ombra)30.01FWGL GHCJS backend (bsd3, deprecated, game, game-engine, javascript, library)2015-09-060.1.1.1ZioCrocifisso
fx40.01Horizontally composable effects (library, mit, unclassified)2018-01-280.10.1NikitaVolkov
fxpak30.00Interface to the FXPak/FXPak Pro USB interface (bsd3, hardware, library)2021-05-260.1.2wuest
g230.01Haskell symbolic execution engine. (bsd3, formal-methods, library, program, symbolic-computation)2024-03-220.2.0.0WilliamHallahan
g2q10.00G2Q allows constraint programming, via writing Haskell predicates. (bsd3, formal-methods, library, symbolic-computation)2019-06-300.1.0.0WilliamHallahan
g3p-hash30.00Global Password Prehash Protocol (apache, cryptography, library)2025-01-202.0.0.0LeonSmith
g4ip10.01A theorem prover for propositional logic that uses G4ip (library, logic, mit)2017-03-200.1.0.0cacay
g4ip-prover30.01Theorem prover for intuitionistic propositional logic using G4ip (library, logic, mit, program)2018-12-282.0.0.0klntsky
galois-fft10.01FFTs over finite fields (cryptography, library, mit)2019-11-270.1.0sdiehl
galois-field30.07Galois field library (cryptography, library, mit)2020-04-131.0.2sdiehl
gambler30.02Composable, streaming, and efficient left folds (bsd3, library, streaming)2023-03-090.4.1.0chris_martin, Monoid_Mary
game-probability20.01Simple probability library for dice rolls, card games and similar (bsd3, library, math)2010-09-081.1NeilBrown
game-tree30.01Searching game trees with alpha-beta pruning (data, library)2009-03-200.1.0.0ColinAdams
gamgee20.00Tool for generating TOTP MFA tokens. (authentication, command-line, library, mpl, program)2021-04-141.2.2rkaippully
gamma40.09Gamma function and related functions. (library, math, numerical, public-domain)2019-02-030.10.0.0JamesCook, rockbmb
gang-of-threads50.01Non-deterministic parallelism with bags (bsd3, control, library, parallelism)2014-07-223.2.1bholst
garepinoh10.01reverse prefix notation calculator and calculation library (console, library, math, program, public-domain, tools)2014-01-210.9.9.2.1MekeorMelire
garfield20.01TBA (bsd3, data, library)2018-11-150.0.0.0chessai
gargoyle62.03Automatically spin up and spin down local daemons (bsd3, library, system)2025-01-220.1.2.1RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
gargoyle-postgresql92.02Manage PostgreSQL servers with gargoyle (bsd3, library, postgresql, program)2025-01-220.2.0.3RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
gargoyle-postgresql-connect70.00Connect to gargoyle-managed postgresql instances (bsd3, library, system)2025-01-220.1.0.3RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
gargoyle-postgresql-nix240.01Manage PostgreSQL servers with gargoyle and nix (bsd3, library, program, system)2025-02-250.3.0.3RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
garlic-bread40.01A monad transformer for keeping track of where you've come from. (bsd3, control, library)2018-03-170.1.0.1parsonsmatt
garsia-wachs40.01A Functional Implementation of the Garsia-Wachs Algorithm (algorithms, bsd3, library)2008-09-231.2NicolasPouillard
gas10.01Limit how many steps a program may take. (bsd3, control, library)2018-08-140.0.0.1rightfold
gasp150.04A framework of algebraic classes (algebra, bsd3, library)2024-05-211.4.0.0JeanPhilippeBernardy
gather10.00An applicative for parsing unordered things, heterogenous sorting (bsd3, data, library, parsing, sorting)2020-05-120.1.0.0RobertHensing
gbs-downloader30.00A library for downloading data from a Great Black Swamp server (bsd3, library, network, program)2023-08-170.1.0.0ShaeErisson, jcalderone
gbu20.01planar graph embedding into a plane (bsd3, graph, library)2010-07-070.1DaneelYaitksov
gc32.01Poor Richard's Memory Manager (bsd3, data, library)2021-04-130.1EdwardKmett, EricMertens, ryanglscott
gc-monitoring-wai40.01a wai application to show GHC.GCStats (bsd3, library, web)2012-03-290.1.2YiHuang
gcodehs70.00GCode processor (bsd3, library, parsing, program)2020-06-170.1.2.0srk
gconf50.02Binding to the GNOME configuration database system. (lgpl, library, system)2016-05-220.13.1.0AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
gd110.014A Haskell binding to a subset of the GD graphics library (bsd3, graphics, library)2012-03-173000.7.3BjornBringert, ChrisDone
gdax20.00API Wrapping for Coinbase's GDAX exchange. (library, mit, program, web)2017-10-040.6.0.0andrewrademacher
gdelt40.00GDELT V2 (Global Database of Events, Language, and Tone) (bsd3, data-mining, library, nlp)2020-03-310.1.0.0ocramz
gdiff50.02Generic diff and patch (bsd3, data, library)2014-06-271.1AndresLoeh, EelcoLempsink
gdiff-ig10.01Generic diff for the instant-generics library (bsd3, generics, library)2011-06-160.1.1JosePedroMagalhaes
gdiff-th20.01Generate gdiff GADTs and Instances. (bsd3, generics, library, testing)2013-03-270.1.0.7JonathanFischoff
gdp72.254Reason about invariants and preconditions with ghosts of departed proofs. (bsd3, library, program, safe)2019-11-130.0.3.0mnoonan
gearhash20.01An implementation of Gear hash, a fast rolling hash algorithm (bsd3, library, program, unclassified)2022-09-291.0.0gkleen
gedcom20.01Parser for the GEDCOM genealogy file format. (bsd3, genealogy, library)2018-02-090.2.0.0cwslowcay
geek30.02Geek blog engine (bsd3, library, web)2015-05-031.1.1.0JinjingWang
geek-server30.01Geek blog engine server (library, program, web)2014-05-191.1JinjingWang
gegl10.02Haskell bindings to GEGL library (graphics, lgpl, library)2017-03-010.0.0.5nek0
gelatin20.04A graphics description language. (graphics, library, mit, program)2017-11-030.1.0.1SchellScivally
gelatin-freetype220.01FreeType2 based text rendering for the gelatin realtime rendering system. (bsd3, library, web)2017-10-280.1.0.0SchellScivally
gelatin-fruity20.01Gelatin's support for rendering TTF outlines, using FontyFruity. (bsd3, graphics, library)2017-10-270.1.0.0SchellScivally
gelatin-gl10.02OpenGL rendering routines for the gelatin-picture graphics EDSL. (graphics, library, mit, program)2017-10-270.1.0.0SchellScivally
gelatin-sdl210.00An SDL2 backend for the gelatin renderer. (graphics, library, mit, program)2017-10-300.1.1.0SchellScivally
gelatin-shaders10.01Gelatin's OpenGL shaders. (bsd3, library, web)2017-10-270.1.0.0SchellScivally
gemcap10.00a simple Gemini capsule (server) (agpl, gemini, library)2023-01-040.1.0.1jlamothe
gemini-exports50.00Generate CSV Exports of Your Gemini Trades, Transfers, & Earn Transactions (bsd3, console, finance, library, program, web)2024-07-040.1.0.2lysergia
gemini-router32.00A simple Happstack-style Gemini router (bsd3, gemini, library)2023-07-240.1.2.0fgaz
gemini-server32.251A lightweight server for the Gemini protocol (bsd3, gemini, library, network)2021-03-190.3.0.0fgaz
gemmula12.01a tiny gemtext parser (gemini, lgpl, library, text)2024-08-051.2.0jan_sena
gemmula-altera (deprecated)50.00A tiny gemtext converter for gemmula (agpl, deprecated, gemini, library, program, text)2024-07-232.1.1jan_sena
gemoire20.00yet another static gemlog generator + converter (gemini, gpl, library)2025-02-011.0.1jan_sena
gemstone20.01A simple library of helpers for SDL+GL games. (game, library)2013-02-090.3.0.1CorbinSimpson
gen-imports20.01Code to generate instances for the package "ghc-instances" (bsd3, library, web)2018-01-170.1.0.2clinton
gencheck10.01A testing framework inspired by QuickCheck and SmallCheck (bsd3, library, testing)2012-06-190.1.1JacquesCarette
gender20.01Identify a persons gender by their first name (language, lgpl, library, program)2013-02-160.1.1.0KraniumGikos
genders20.01Bindings to libgenders. (database, library, mit)2015-07-030.1.0.1MathieuBoespflug
gendocs30.01Library for generating interface documentation from types (bsd3, library, web)2017-03-010.1.3seanhess
general-allocate140.03Exception-safe resource management in more monads (apache, control, exceptions, library)2024-01-130.2.3.1shlevy
general-games70.01Library supporting simulation of a number of games (game, library, mit, poker)2018-02-111.1.1cgorski
general-prelude (deprecated)30.01Prelude replacement using generalized type classes where possible (bsd3, control, data, deprecated, library)2012-12-180.1.2JohnWiegley
generator20.01Python-generators notation for creation of monadic lists (bsd3, control, library)2015-05-280.5.5YairChuchem
generators (deprecated)30.01Actually useful monadic random value generators. (bsd3, control, deprecated, library)2010-06-251.0.3LiamOConnorDavis
generic-accessors180.03stringly-named getters for generic data (bsd3, data, library)2021-04-010.7.1.0GregHorn
generic-aeson80.07Derivation of Aeson instances using GHC generics. (bsd3, data, library)2022-06-170.2.0.14AdamBergmark, AlejandroSerrano, ErikHesselink
generic-arbitrary322.259Generic implementation for QuickCheck's Arbitrary (generic, library, mit)2022-08-241.0.1AlekseyUymanov, mniip, typeable, iko
generic-binary10.01Generic Data.Binary derivation using GHC generics. (bsd3, data, generics, library)2011-11-121.0.1SebastiaanVisser
generic-case50.00Generic case analysis (bsd3, generics, library)2025-03-190.1.0.0fpringle
generic-church22.01Automatically convert Generic instances to and from church representations (generics, library, mit)2014-09-090.3.0.0jozefg
generic-constraints100.01Constraints via Generic (bsd3, generics, library)2019-08-291.1.1.1YairChuchem
generic-data822.2514Deriving instances with GHC.Generics and related utilities (generics, library, mit)2024-12-071.1.0.2AndreasAbel, lyxia
generic-data-asserts (deprecated in favor of generic-type-asserts)30.01Structural assertions on generic data representations. (data, deprecated, generics, library, mit)2024-04-050.2.0raehik
generic-data-functions70.02Familiar functions lifted to generic data types (data, generics, library, mit)2024-06-150.6.0raehik
generic-data-surgery90.01Surgery for generic data types (library, mit, other)2020-06-210.3.0.0lyxia
generic-deepseq30.01Generic deep evaluation of data structures (bsd3, control, generics, library)2012-02-282.0.1.1MaximeHenrion
generic-deriving1690.056Generic programming library for generalised deriving. (bsd3, generics, library)2024-12-051.14.6JosePedroMagalhaes, ryanglscott
generic-enum20.01An Enum class that fixes some deficiences with Prelude's Enum (library, mit, unclassified)2017-03-100.1.1.0clinton
generic-enumeration62.00Generically derived enumerations. (library, mit, unclassified)2024-08-130.1.0.3rickowens
generic-env30.00Generic Environment Generator (development, library, mit)2019-04-300.1.1.0yigitozkavci
generic-functor80.00Deriving generalized functors with GHC.Generics (generics, library, mit)2022-10-211.1.0.0lyxia
generic-labels10.00Generically extract and replace collections of record fields (bsd3, data, generics, library, records)2021-02-090.1.0.1sheaf
generic-lens752.7588Generically derive traversals, lenses and prisms. (bsd3, generics, lens, library, records)2023-04-152.2.2.0mpickering, kcsongor, michaelpj
generic-lens-core560.05Generically derive traversals, lenses and prisms. (bsd3, generics, lens, library, records)2022-01-222.2.1.0kcsongor, michaelpj
generic-lens-labels30.01GHC.OverloadedLabels.IsLabel instance for lenses from ghc-generics (bsd3, generics, lens, library, overloadelabels, records)2018-01-090.1.0.2duog
generic-lens-lite70.01Monomorphic field lens like with generic-lens (bsd3, generics, lens, library)2024-06-070.1.1phadej
generic-lexicographic-order32.00Derive Bounded and Enum for sum types and Enum for product types (bsd3, data, library)2022-08-200.1.0.0danielbrice
generic-lucid-scaffold (deprecated in favor of webpage)20.01General-purpose web page scaffold for Lucid. (deprecated, library, mit, unclassified)2014-12-090.0.1athanclark
generic-match30.00First class pattern matching (data, library, mit)2021-08-160.3.0.1sgschlesinger
generic-maybe30.01A generic version of Data.Maybe (bsd3, generics, library)2014-02-130.3.0.4JonathanFischoff
generic-monoid310.05Derive monoid instances for product types. (bsd3, data, library)2020-06-140.1.0.1lukec
generic-optics350.03Generically derive traversals, lenses and prisms. (bsd3, generics, lens, library, records)2022-01-222.2.1.0kcsongor, michaelpj
generic-optics-lite80.00Monomorphic field opics like with generic-lens (bsd3, generics, lens, library, optics)2024-06-070.1.1phadej
generic-override90.02Provides functionality for overriding instances for generic derivation (bsd3, generics, library)2022-03-140.4.0.0carymrobbins
generic-override-aeson50.01Provides orphan instances necessary for integrating generic-override and aeson (bsd3, generics, library)2022-03-140.4.0.0carymrobbins
generic-persistence110.00Database persistence using generics (bsd3, database, library)2024-11-290.7.0.1thma
generic-pretty20.01Pretty printing for Generic value (library, mit, text)2015-04-050.1.0HideyukiTanaka
generic-pretty-instances30.03GenericPretty canonical instances (bsd3, generics, library, pretty-printer, text)2022-07-220.1.0.0coingaming
generic-random322.259Generic random generators for QuickCheck (generics, library, mit, testing)2021-11-231.5.0.1lyxia
generic-records30.01Magic record operations using generics (bsd3, generics, library, records)2017-06-050.2.0.0kcsongor
generic-server10.01Simple generic TCP/IP server (bsd3, library, network)2011-10-140.1IlyaPortnov
generic-storable20.01Generic implementation of Storable (bsd3, data, library)2012-05-110.1.0.0HideyukiTanaka
generic-tree (deprecated in favor of hs-functors)20.01Generic Tree data type (data-structures, deprecated, library)2011-12-2115329.2
generic-trie72.04A map, where the keys may be complex structured data. (bsd3, data, library, program)2022-10-150.3.2EricMertens, dfeuer
generic-type-asserts60.01Structural assertions on generic type representations. (data, generics, library, mit, type)2024-04-100.3.0raehik
generic-type-functions20.02Familiar functions lifted to type-level functions on generic types (data, generics, library, mit, types)2024-04-100.1.0raehik
generic-xml10.01Marshalling Haskell values to/from XML (bsd3, library, xml)2007-07-100.1ShaeErisson
generic-xmlpickler90.03Generic generation of HXT XmlPickler instances using GHC Generics (bsd3, data, library, xml)2019-11-130.1.0.6AdamBergmark, ErikHesselink
generically710.02Generically newtype to use with DerivingVia (bsd3, generics, library)2023-03-100.1.1phadej, ryanglscott
generics-eot82.254A library for generic programming that aims to be easy to understand (bsd3, generics, library)2019-03-130.4.0.1SoenkeHahn
generics-mrsop52.03Generic Programming with Mutually Recursive Sums of Products. (generics, library, mit)2019-10-142.3.0vcmiraldo
generics-mrsop-gdiff40.01Reimplementation of the gdiff algorithm for generics-mrsop (bsd3, generics, library)2019-10-140.0.2vcmiraldo
generics-sop782.7574Generic Programming using True Sums of Products (bsd3, generics, library)2023-10-180.5.1.4AndresLoeh, EdskoDeVries
generics-sop-lens170.01Lenses for types in generics-sop (bsd3, data, generics, library)2024-07-040.2.1phadej
genericserialize10.01Serialization library using Data.Generics (bsd3, data, library)2008-03-160.1GwernBranwen
genesis20.01Opinionated bootstrapping for Haskell web services. (library, other)2017-11-210.1.0.0lexi_lambda
genesis-test20.01Opinionated bootstrapping for Haskell web services. (library, other)2017-11-210.1.0.0lexi_lambda
geni-gui20.01GenI graphical user interface (library, natural-language-processing, program)2017-09-230.25.1EricKow
geni-util40.01Companion tools for use with the GenI surface realiser (gpl, library, natural-language-processing, program)2017-10-030.25.0.1EricKow
genifunctors30.03Generate generalized fmap, foldMap and traverse (bsd3, generics, library)2016-11-140.4DanRosen
geniplate180.02Use Template Haskell to generate Uniplate-like functions. (bsd3, generics, library)2014-09-070.6.0.5LennartAugustsson
geniplate-mirror382.04Use Template Haskell to generate Uniplate-like functions. (bsd3, generics, library)2024-03-190.7.10DanRosen
geniserver30.02Simple HTTP server for GenI results (library, natural-language-processing, program)2017-09-230.25EricKow
genprog10.01Genetic programming library (ai, algorithms, bsd3, library, optimisation)2013-08-310.1.0.2JanSnajder
gentlemark10.01Gentle markup language (bsd3, library, text, web)2012-09-301.0.0AndriyPolishchuk
genvalidity780.043Testing utilities for the validity library (library, mit, testing)2024-07-181.1.1.0Norfair
genvalidity-aeson130.01GenValidity support for aeson (library, mit, testing)2022-04-261.0.0.1Norfair
genvalidity-appendful70.00 (library, mit, unclassified)2022-11-060.1.0.0Norfair
genvalidity-bytestring180.02GenValidity support for ByteString (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-case-insensitive70.00GenValidity support for case-insensitive (library, mit, testing)2022-08-300.0.0.1Norfair
genvalidity-containers290.08GenValidity support for containers (library, mit, testing)2024-09-191.0.0.2Norfair
genvalidity-criterion140.00Criterion benchmarks for generators (library, mit, validity)2022-08-301.1.0.0Norfair
genvalidity-dirforest30.00Generators for typed directory forests (library, mit, unclassified)2023-02-250.1.0.1Norfair
genvalidity-dlist10.00GenValidity support for dlist (library, mit, testing)2024-08-060.1.0.1Norfair
genvalidity-hspec440.08Standard spec's for GenValidity instances (library, mit, testing)2023-10-041.0.0.3Norfair
genvalidity-hspec-aeson200.02Standard spec's for aeson-related instances (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-hspec-binary150.01Standard spec's for binary-related Instances (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-hspec-cereal170.01Standard spec's for cereal-related instances (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-hspec-hashable90.01Standard spec's for Hashable instances (library, mit, testing)2023-10-041.0.0.1Norfair
genvalidity-hspec-optics170.01Standard spec's for lens (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-hspec-persistent100.00Standard spec's for persistent-related instances (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-mergeful120.00 (library, mit, unclassified)2023-10-130.3.0.1Norfair
genvalidity-mergeless80.01 (library, mit, unclassified)2021-11-210.3.0.0Norfair
genvalidity-network-uri60.00GenValidity support for URI (library, mit, testing)2022-07-220.0.0.0Norfair
genvalidity-path120.02GenValidity support for Path (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-persistent130.00GenValidity support for Persistent (library, mit, testing)2023-10-041.0.0.2Norfair
genvalidity-property180.03Standard properties for functions on `Validity` types (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-scientific100.01GenValidity support for Scientific (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-sydtest102.04Standard properties for functions on `Validity` types for the sydtest framework (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-sydtest-aeson80.00Standard spec's for aeson-related instances in sydtest (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-sydtest-hashable120.00Standard spec's for Hashable instances for sydtest (library, mit, testing)2023-10-041.0.0.1Norfair
genvalidity-sydtest-lens80.00Standard spec's for lens for sydtest (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-sydtest-persistent100.00Standard spec's for persistent-related instances for sydtest (library, mit, testing)2021-11-201.0.0.0Norfair
genvalidity-text230.04GenValidity support for Text (library, mit, testing)2022-03-171.0.0.1Norfair
genvalidity-time100.06GenValidity support for time (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-typed-uuid120.00Generators for Phantom-Typed version of UUID (data, library, mit)2021-11-240.1.0.1Norfair
genvalidity-unordered-containers260.01GenValidity support for unordered-containers (library, mit, testing)2023-10-041.0.0.1Norfair
genvalidity-uuid140.02GenValidity support for UUID (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-vector170.01GenValidity support for vector (library, mit, testing)2021-11-201.0.0.0Norfair
geo-resolver10.01Performs geo location lookups and parses the results (library, mit, web)2015-10-090.1.0.1JanGreve
geo-uk90.01High precision conversion between GPS and UK Grid (bsd3, data, library)2016-11-180.1.0.2tolysz
geocalc20.01Libary for calculating distances between two coordinates in WSG84 (bsd3, library, math)2011-07-011.0.0GeroKriependorf
geocode-google60.01Geocoding using the Google Web API (bsd3, geography, library)2015-10-080.3mdanish
geodetic20.01Geodetic calculations (bsd3, development, library)2014-11-240.1.4TonyMorris, qfpl
geodetic-types50.01Types for geodetic operations (bsd3, geodgraphy, geography, library)2019-03-070.0.4qfpl
geodetics130.02Terrestrial coordinate systems and geodetic calculations. (bsd3, geography, library)2025-03-151.1.0PaulJohnson
geohash40.01Geohash latitudes and longitudes. (bsd3, data, library)2009-10-241.0.1MariusEriksen
geoip290.01Pure haskell interface to MaxMind GeoIP database (bsd3, database, library)2024-03-280.4.1.2ondrap
geojson150.05A thin GeoJSON Layer above the aeson library (bsd3, data, library)2023-05-314.1.1domdere, newmana
geojson-types40.01GeoJSON data types including JSON/BSON conversion. (bsd3, data, library)2016-05-160.1.3alios
geolite-csv20.01Geolite CSV Parser (bsd3, library, web)2016-08-010.2andrewthad, l3c_amartin
geom2d30.01package for geometry in euklidean 2d space (gpl, library, math)2015-11-010.2.2seppeljordan
geomancy122.08Geometry and matrix manipulation (bsd3, graphics, library)2023-05-310.2.6.0AlexanderBondarenko
geomancy-layout40.03Geometry and matrix manipulation (bsd3, graphics, library)2023-09-100.1AlexanderBondarenko
geos30.01Bindings for GEOS. (geometry, library, mit)2021-09-050.5.0petefrance
gerrit60.00A gerrit client library (apache, development, library)2025-01-060.1.6.1TristanCacqueray, fboucher
getflag20.01Command-line parser. (library, mit, parsing)2010-05-221.0TroelsHenriksen
getopt-generics210.01Create command line interfaces with ease (bsd3, console, library, system)2023-01-210.13.1.0SoenkeHahn, qoelet
getopt-simple (deprecated in favor of optparse-simple)50.01A "System.Console.GetOpt" wrapper to make simple use case easy. (bsd3, deprecated, library, system)2012-09-210.1.0.2AlexanderBondarenko
gettext-th40.01gettext-th can internationalise a haskell program without runtime dependencies (bsd3, i18, i18n, i18n-text, library, text)2022-09-100.2.0.1ChristophBauer
gev-lib20.00The family of Extreme Value Distributions. (evt, library, probability, statistics)2023-06-210.2.0.2HaeckGabriel
gf90.01Grammatical Framework (compiler, library, natural-language-processing, program)2021-08-12JohnCamilleri, KrasimirAngelov, ThomasHallgren, inariksit, anka213
gh-pocket-knife40.00Script helpers for interacting with GitHub (bsd3, library, network, program)2016-09-220.1.0.0PatrickBrisbin
ghc-api-compat20.010GHC-API compatibility helpers (bsd3, development, library)2021-09-069.0.1SylvainHenry
ghc-bignum-orphans120.01Backwards-compatible orphan instances for ghc-bignum (bsd3, compatibility, library)2021-11-170.1.1ryanglscott
ghc-boot230.041Shared functionality between GHC and its boot libraries (bsd3, ghc, library)2024-12-169.12.1BenGamari, HerbertValerioRiedel, LuiteStegeman, wz1000
ghc-boot-th160.036Shared functionality between GHC and the @template-haskell@ library (bsd3, ghc, library)2024-05-159.10.1BenGamari, HerbertValerioRiedel, LuiteStegeman, wz1000
ghc-byteorder150.04"GHC.ByteOrder" API Compatibility Layer (bsd3, ffi, library)2020-05-154.11.0.0.10HerbertValerioRiedel
ghc-call-stack-extras70.01Extra utilities for HasCallStack (bsd3, control, library)2018-03-140.1.0.2dfeuer
ghc-check220.01detect mismatches between compile-time and run-time versions of the ghc api (bsd3, development, library)2022-08-140.5.0.8PepeIborra
ghc-clippy-plugin22.01Override GHC error messages to the user's liking (bsd3, compiler-plugin, development, library)2020-06-120.0.0.1arturgajowy
ghc-compact60.08In memory storage of deeply evaluated data structure (bsd3, data, library)2017-07-230.1.0.0BenGamari, HerbertValerioRiedel, LuiteStegeman, wz1000
ghc-core-smallstep10.01A small-step semantics for Core (language, library, mit)2018-04-100.1.0.1JoachimBreitner
ghc-corroborate30.00An flatter API for GHC typechecker plugins (ghc, library, mpl, plugin, type-system)2022-06-091.0.0philderbeast
ghc-datasize90.02Determine the size of data structures in GHC's memory (bsd3, debug, development, ghc, library)2024-08-220.2.7DennisFelsing
ghc-debug-client40.00Useful functions for writing heap analysis tools which use ghc-debug. (bsd3, development, library)2024-04-100.6.0.0mpickering
ghc-debug-common70.01Connect to a socket created by ghc-debug-stub and analyse the heap of the debuggee program. (bsd3, development, library)2024-04-100.6.0.0mpickering
ghc-debug-convention90.03Definitions needed by ghc-debug-stub and ghc-debug-common (bsd3, library, unclassified)2024-04-100.6.0.0mpickering
ghc-debug-stub70.04Functions for instrumenting your application so the heap can be analysed with ghc-debug-common. (bsd3, development, library)2024-04-100.6.0.0mpickering
ghc-definitions-th30.00Automatically generate GHC API counterparts to Haskell declarations. (bsd3, ghc, library, template-haskell)2021-09-080.1AnthonyVandikas
ghc-dump-core20.01An AST and compiler plugin for dumping GHC's Core representation. (bsd3, development, library)2022-04-130.2.1.0BenGamari
ghc-dump-tree10.00Dump GHC's parsed, renamed, and type checked ASTs (bsd3, development, library, program)2016-10-030.2.0.2EdskoDeVries
ghc-dump-util70.00Handy tools for working with ghc-dump dumps (bsd3, development, library, program)2022-04-130.2.1.0BenGamari
ghc-dup (deprecated in favor of dupIO)20.01Explicitly prevent sharing (bsd3, debug, deprecated, ghc, library)2012-09-280.1JoachimBreitner
ghc-events700.04Library and tool for parsing .eventlog files from GHC (bsd3, debug, development, ghc, library, profiling, program, trace)2024-11-250.20.0.0DuncanCoutts, MikolajKonarski, MitsutoshiAoe, SimonMarlow, teo
ghc-events-parallel20.01Library and tool for parsing .eventlog files from parallel GHC (bsd3, debug, development, eden, ghc, library, profiling, program, trace)2014-07-180.5.0.1MischaDieterle, JostBerthold, horstmeyer
ghc-experimental100.01Experimental features of GHC's standard library (bsd3, development, library)2024-12-169.1201.0BenGamari, LuiteStegeman, wz1000
ghc-gc-hook30.00GHC garbage collection hook (bsd3, ghc, library)2022-06-030.2.1.0tomsmeding
ghc-generic-instances20.01Derived instances of GHC.Generic of the GHC AST (development, library, public-domain)2015-01-170.1.0.0AlanZimmerman
ghc-heap210.012Functions for walking GHC's heap (bsd3, ghc, library)2024-12-169.12.1BenGamari, HerbertValerioRiedel, LuiteStegeman, wz1000
ghc-heap-view220.04Extract the heap representation of Haskell values and thunks (bsd3, debug, ghc, library)2024-01-060.6.4.1DennisFelsing, JoachimBreitner
ghc-hotswap20.01Library for hot-swapping shared objects in GHC (library, system)2018-09-240.1.0.0SimonMarlow
ghc-hs-meta50.02Translate Haskell source to Template Haskell expression (bsd3, ghc, library, template-haskell)2024-12-300.1.5.0amesgen, zallocate
ghc-imported-from30.01Find the Haddock documentation for a symbol. (bsd3, development, library, program)2016-06-010.3.0.6CarloHamalainen
ghc-instances10.01Easily import all instances contained in GHC distributed libraries (bsd3, library, web)2018-01-170.1.0.1clinton
ghc-internal80.010Basic libraries (bsd3, library, prelude)2024-12-169.1201.0BenGamari, LuiteStegeman, wz1000
ghc-justdoit20.01A magic typeclass that just does it (language, library, mit)2022-08-010.1.0.2JoachimBreitner
ghc-lib592.254The GHC API, decoupled from GHC versions (bsd3, development, library)2025-03-259.12.2.20250320cocreature, shayne_fletcher
ghc-lib-parser6041.2512The GHC API, decoupled from GHC versions (bsd3, development, library)2025-03-259.12.2.20250320cocreature, shayne_fletcher
ghc-lib-parser-ex2300.05Programming with GHC parse trees (bsd3, development, library, program)2024-12-199.12.0.0NeilMitchell, shayne_fletcher
ghc-magic-dict-compat20.00A compatibility layer and GHC plugin for `withDict` from "GHC.Magic.Dict". (bsd3, compatibility, library, type-system)2023-12-310.0.0.0HiromiIshii
ghc-mod (deprecated)192.755Happy Haskell Hacking (agpl, deprecated, development, ghc, library, program)2017-06-115.8.0.0KazuYamamoto, DanielG
ghc-mtl60.03An mtl compatible version of the Ghc-Api monads and monad-transformers. (bsd3, development, library)2014-05-061.2.1.0DanielGorin
ghc-options20.01Utilities for extracting GHC options needed to compile a given Haskell target. (language, library, mit, program)2015-12-160.2.0.0ranjitjhala
ghc-parmake10.01A parallel wrapper for 'ghc --make'. (bsd3, development, library, program)2015-12-170.1.9MikhailGlushenkov
ghc-parser140.02Haskell source parser from GHC. (language, library, mit)2024-11-030.2.7.0gibiansky, VaibhavSagar
ghc-paths562.079Knowledge of GHC's installation directories (bsd3, development, library)2019-08-210.1.0.12AlanZimmerman, SimonMarlow
ghc-pkg-lib20.03Provide library support for ghc-pkg information (bsd3, development, library)2015-10-100.3.1JeanPhilippeMoresmau
ghc-plugin-non-empty20.00GHC Plugin for non-empty lists (compiler-plugin, ghc, library, mpl)2022-07-170.0.0.0shersh
ghc-plugs-out10.00Type checker plugins without the type checking. (compiler-plugin, library, mpl)2022-06-102.0.0.0philderbeast
ghc-prim182.0763GHC primitives (bsd3, ghc, library)2024-12-160.13.0BenGamari, HerbertValerioRiedel, LuiteStegeman, wz1000
ghc-prof140.01Library for parsing GHC time and allocation profiling reports (bsd3, development, library)2022-12-061.4.1.12MitsutoshiAoe
ghc-prof-aeson40.00Parser for GHC's JSON profiling output. (bsd3, library, profiling)2018-03-010.1.0.0MateuszKowalczyk
ghc-proofs10.01GHC plugin to prove program equations by simplification (compiler-plugin, formal-methods, library, mit)2017-09-050.1.1JoachimBreitner
ghc-server40.01None (bsd3, library, unclassified)2014-12-081.2
ghc-session20.00Simplified GHC API (language, library, mit, program)2016-02-180.1.2.1danilo2, PiotrMlodawski, iamrecursion
ghc-simple10.01Simplified interface to the GHC API. (development, library, mit)2016-06-300.4AntonEkblad
ghc-source-gen310.01Constructs Haskell syntax trees for the GHC API. (bsd3, development, library)2024-12-040.4.6.0JudahJacobson, gnezdo, JinwooLee
ghc-srcspan-plugin20.01Generic GHC Plugin for annotating Haskell code with source location data. (bsd3, language, library)2017-12-210.2.2.1EricSeidel
ghc-stdin10.00Compile source code from the standard input (bsd3, development, library)2022-08-070.2.0.0lyokha
ghc-syb40.03Data and Typeable instances for the GHC API. (bsd3, development, library)2010-03-280.2.0.0ThomasSchilling, DanielG
ghc-syb-utils71.511Scrap Your Boilerplate utilities for the GHC API. (bsd3, development, library)2018-08-090.3.0.0ThomasSchilling, DanielG
ghc-symbol10.00Symbol on term level (bsd3, data, library)2022-09-040phadej
ghc-syntax-highlighter390.04Syntax highlighter for Haskell using the lexer of GHC (bsd3, library, text)2025-01-210.0.13.0mrkkrp
ghc-tags-core72.02CTags and ETags from Haskell syntax tree. (development, library, mpl)2024-08-280.6.1.1coot
ghc-tags-pipes20.01Streaming interface for ghc-tags-core (development, library, mpl)2023-05-020.1.1.0coot
ghc-tags-plugin42.00A compiler plugin which generates tags file from GHC parsed syntax tree. (development, library, mpl)2024-08-280.6.1.1coot
ghc-tcplugin-api92.04An API for type-checker plugins. (bsd3, ghc, library, plugin, type-system)2024-11-280.14.0.0sheaf
ghc-tcplugins-extra580.016Utilities for writing GHC type-checker plugins (bsd2, library, type-system)2025-03-040.5ChristiaanBaaij, QBayLogic
ghc-time-alloc-prof (deprecated in favor of ghc-prof)60.01Library for parsing GHC time and allocation profiling reports (bsd3, deprecated, development, library)2016-08-200.1.0MitsutoshiAoe
ghc-timers40.01Provides bindings to functions starting and stopping the RTS timers (bsd3, library, system)2017-07-110.1.0.0FrancescoMazzoli
ghc-trace-events510.03Faster traceEvent and traceMarker, and binary object logging for eventlog (bsd3, development, ghc, library, trace)2024-05-170.1.2.9MitsutoshiAoe
ghc-typelits-extra490.010Additional type-level operations on GHC.TypeLits.Nat (bsd2, library, type-system)2025-03-040.4.8ChristiaanBaaij, QBayLogic
ghc-typelits-knownnat670.033Derive KnownNat constraints from other KnownNat constraints (bsd2, library, type-system)2025-03-040.7.13ChristiaanBaaij, QBayLogic
ghc-typelits-natnormalise922.533GHC typechecker plugin for types of kind GHC.TypeLits.Nat (bsd2, library, type-system)2025-03-040.7.11ChristiaanBaaij, QBayLogic
ghc-typelits-presburger341.754Presburger Arithmetic Solver for GHC Type-level natural numbers. (bsd3, library, math, type-system)2025-01-020.7.4.1HiromiIshii
ghc-usage10.01Print minimal export lists (bsd3, development, library, program)2017-03-110.1.0.1EdwardYang
ghc-vis92.01Live visualization of data structures in GHCi (bsd3, debug, development, ghc, library)2024-01-070.9.3.1DennisFelsing
ghcflags40.05Dump the ghc flags during compilation (bsd2, building, library)2023-05-221.0.4tseenshe
ghci20.09The library supporting GHC's interactive interpreter (bsd3, ghc, library)2020-12-158.10.2BenGamari, HerbertValerioRiedel, LuiteStegeman
ghci-dap470.02ghci-dap is a GHCi having DAP interface. (bsd3, development, library, program)2025-03-160.0.25.0phoityne_hs
ghci-diagrams (deprecated in favor of activehs)20.01Display simple diagrams from ghci (bsd3, deprecated, graphics, library)2011-03-010.1.1PeterDivianszky
ghci-hexcalc62.01GHCi as a Hex Calculator interactive (bsd3, data, library)2019-07-200.1.1.0takenobut
ghci-history-parser10.01parse output of ghci ":history" command (debug, development---, ghc, library, public-domain)2016-07-140.1.0.2phlummox
ghci-lib20.02A library for interactively evaluating Haskell code. (language, library, mit)2014-02-160.1.0.0gibiansky
ghci-pretty50.02colored pretty-printing within ghci (development, library, mit)2014-11-130.0.2larsk, kindaro
ghci-websockets70.00A websocket server that survives GHCi reloads (bsd3, language, library)2019-07-160.0.2jfmueller
ghcid302.57GHCi based bare bones IDE (bsd3, development, library, program)2023-07-020.8.9NeilMitchell
ghcide930.039The core of an IDE (apache, development, library)2025-02-162.9.0.1AlanZimmerman, NeilMitchell, PepeIborra, cocreature, aherrmann, berberman, jneira, hls_team
ghcide-bench30.00An LSP client for running performance experiments on HLS (apache, development, library, program)2024-05-082.8.0.0hls_team
ghcide-test-utils60.01Test utils for ghcide (apache, development, library)2024-02-082.0.0.0hls_team
ghcitui20.00A Terminal User Interface (TUI) for GHCi (bsd3, debug, library, program)2024-11-170.4.1.0CrystalJRAW
ghcjs-ajax30.01Crossbrowser AJAX Bindings for GHCJS (library, mit, web)2016-07-260.2.0.0AlexanderThiemann
ghcjs-base-stub42.05Allow GHCJS projects to compile under GHC and develop using intero. (bsd3, library, web)2019-10-130.3.0.2louispan
ghcjs-codemirror70.02Installs CodeMirror JavaScript files (library, mit, web)2018-07-010.0.0.2HamishMackenzie
ghcjs-dom162.2523DOM library that supports both GHCJS and GHC (library, mit, web)2024-05-230.9.9.2HamishMackenzie
ghcjs-dom-hello20.01GHCJS DOM Hello World, an example package (library, mit, program, web)2017-06-156.0.0.0HamishMackenzie
ghcjs-dom-jsaddle110.01DOM library that supports both GHCJS and GHC using jsaddle (library, mit, web)2024-04-080.9.9.0HamishMackenzie
ghcjs-dom-webkit20.02DOM library that supports both GHCJS and WebKitGTK (library, mit, web)2016-06-220.3.1.0HamishMackenzie
ghcjs-fetch30.01GHCJS bindings for the JavaScript Fetch API (bsd3, library, web)2017-09-250.1.0.0cocreature
ghcjs-hplay20.01Client-side web EDSL for transient nodes running in the web browser (library, mit, web)2017-03-050.4.2AlbertoCorona, geraldus
ghcjs-perch72.02GHCJS version of Perch library. (library, mit, web)2018-12-040.3.3.3geraldus
ghcjs-promise30.01Bidirectional bidings to javascript's promise. (bsd3, data, library)2016-11-110.1.0.3AlejandroDuranPallares
ghcjs-vdom10.01Virtual-dom bindings for GHCJS (library, mit, web)2017-01-020.2.0.0TobiasDammers
ghcjs-websockets (deprecated)50.01Deprecated: use ghcjs-base's native websockets (deprecated, library, mit, web)2015-08-080.3.0.5jle
ghcjs-xhr20.02XmlHttpRequest ("AJAX") bindings for GHCJS (bsd3, library, web)2017-01-020.1.0.0TobiasDammers
ghclive10.01Interactive Haskell interpreter in a browser. (application, bsd3, compilers-interpreters, library, program, web)2012-08-200.1.0.2ShaeErisson
ghcup282.50ghc toolchain installer (lgpl, library, system)2025-03-250.1.50.1angerman, Bodigrim, maerwald
ghost-buster70.01Existential type utilites (bsd3, data, library)2017-08-290.1.1.0lazersmoke
ght20.01Trivial routines for inspecting git repositories (development, library, program)2011-11-140.4.0.1ConradParker
gi-adwaita40.00Adwaita bindings (bindings, lgpl, library)2025-01-011.0.8inaki
gi-atk330.011Atk bindings (bindings, lgpl, library)2024-06-162.0.28inaki
gi-ayatana-appindicator360.00libayatana-appindicator3 bindings (bindings, lgpl, library)2025-01-010.1.2inaki
gi-cairo640.021Cairo bindings (bindings, lgpl, library)2024-06-161.0.30inaki
gi-cairo-again20.00Bridge between packages gi-* and cairo-core. (bsd3, graphics, library)2019-02-021.16.0magicloud
gi-cairo-connector110.03GI friendly Binding to the Cairo library. (graphics, lgpl, library)2021-11-270.1.1inaki, eyevanmalicesun, cohomology
gi-cairo-render100.04GI friendly Binding to the Cairo library. (bsd3, graphics, library)2022-10-150.1.2inaki, eyevanmalicesun, cohomology
gi-clutter20.00clutter GObject bindings (bindings, lgpl, library)2024-06-161.0.6inaki
gi-cogl30.02COGL GObject bindings (bindings, lgpl, library)2024-06-161.0.6inaki
gi-coglpango30.00Cogl Pango GObject bindings (bindings, lgpl, library)2024-06-161.0.6inaki
gi-dazzle40.00libdazzle bindings (bindings, lgpl, library)2025-01-011.0.3inaki
gi-dbusmenu100.02Dbusmenu bindings (bindings, lgpl, library)2024-06-160.4.14inaki
gi-dbusmenugtk3310.01DbusmenuGtk bindings (bindings, lgpl, library)2025-01-010.4.16inaki
gi-freetype2250.01freetype2 bindings (bindings, lgpl, library)2024-06-162.0.5inaki
gi-gdk480.029Gdk bindings (compatibility layer) (bindings, lgpl, library)2025-01-014.0.10inaki
gi-gdk3170.00Gdk 3.x bindings (bindings, lgpl, library)2025-01-013.0.30inaki
gi-gdk4140.00Gdk bindings (bindings, lgpl, library)2025-01-014.0.10inaki
gi-gdkpixbuf830.017GdkPixbuf bindings (bindings, lgpl, library)2024-06-162.0.32inaki
gi-gdkx11180.01GdkX11 4.x bindings (compatibility layer) (bindings, lgpl, library)2025-01-014.0.9inaki
gi-gdkx11360.00GdkX11 3.x bindings (bindings, lgpl, library)2025-01-013.0.17inaki
gi-gdkx11470.00GdkX11 4.x bindings (bindings, lgpl, library)2025-01-014.0.9inaki
gi-ges30.00libges bindings (bindings, lgpl, library)2024-06-161.0.5inaki
gi-ggit50.01libgit2-glib bindings (bindings, lgpl, library)2024-06-161.0.15inaki
gi-gio540.045Gio bindings (bindings, lgpl, library)2025-02-212.0.36inaki
gi-gio-hs-list-model30.00Haskell implementation of GListModel interface from gi-gio (graphics, lgpl, library)2021-08-120.1.0.1axeman
gi-girepository360.01GIRepository (gobject-introspection) bindings (bindings, lgpl, library)2024-06-161.0.29inaki
gi-glib440.067GLib bindings (bindings, lgpl, library)2024-06-162.0.30inaki
gi-gmodule320.01GModule bindings (bindings, lgpl, library)2024-06-162.0.6inaki
gi-gobject740.057GObject bindings (bindings, lgpl, library)2024-06-162.0.31inaki
gi-graphene210.02Graphene bindings (bindings, lgpl, library)2024-06-161.0.8inaki
gi-gsk190.01Gsk bindings (bindings, lgpl, library)2025-01-014.0.9inaki
gi-gst100.07GStreamer bindings (bindings, lgpl, library)2024-06-161.0.30inaki
gi-gstapp40.00GStreamerApp bindings (bindings, lgpl, library)2024-06-161.0.29inaki
gi-gstaudio100.01GStreamerAudio bindings (bindings, lgpl, library)2024-06-161.0.28inaki
gi-gstbase90.04GStreamerBase bindings (bindings, lgpl, library)2024-06-161.0.29inaki
gi-gstpbutils140.02GStreamer Plugins Base Utils bindings (bindings, lgpl, library)2024-06-161.0.28inaki
gi-gsttag40.01GStreamer Tag bindings (bindings, lgpl, library)2024-06-161.0.28inaki
gi-gstvideo90.02GStreamerVideo bindings (bindings, lgpl, library)2024-06-161.0.29inaki
gi-gtk620.036Gtk 4.x bindings (compatibility layer) (bindings, lgpl, library)2025-01-014.0.12inaki
gi-gtk-declarative382.01Declarative GTK+ programming in Haskell (graphics, library, mpl)2021-09-170.7.1tomjaguarpaw, owickstrom
gi-gtk-declarative-app-simple180.01Declarative GTK+ programming in Haskell in the style of Pux. (graphics, library, mpl)2021-09-170.7.1tomjaguarpaw, owickstrom
gi-gtk-hs110.05A wrapper for gi-gtk, adding a few more idiomatic API parts on top (graphics, lgpl, library)2024-10-260.3.17HamishMackenzie, inaki
gi-gtk-layer-shell80.00gtk-layer-shell bindings (bindings, lgpl, library)2025-01-010.1.7inaki
gi-gtk3140.00Gtk 3.x bindings (bindings, lgpl, library)2025-01-013.0.44inaki
gi-gtk4100.00Gtk 4.x bindings (bindings, lgpl, library)2025-01-014.0.12inaki
gi-gtkosxapplication190.02GtkosxApplication bindings (bindings, lgpl, library)2019-08-042.0.17inaki
gi-gtksheet30.00GtkSheet bindings (bindings, lgpl, library)2020-10-134.0.1ivanbakel
gi-gtksource120.02GtkSource 5.x bindings (compatibility layer) (bindings, lgpl, library)2025-01-015.0.2inaki
gi-gtksource360.00GtkSource 3.x bindings (bindings, lgpl, library)2025-01-013.0.30inaki
gi-gtksource570.00GtkSource 5.x bindings (bindings, lgpl, library)2025-01-015.0.2inaki
gi-handy50.00libhandy bindings (bindings, lgpl, library)2025-01-011.0.6inaki
gi-harfbuzz370.01HarfBuzz bindings (bindings, lgpl, library)2024-06-160.0.10inaki
gi-ibus50.00IBus bindings (bindings, lgpl, library)2024-06-161.5.8na4zagin3, inaki
gi-javascriptcore710.07JavaScriptCore 6.x bindings (compatibility layer) (bindings, lgpl, library)2025-01-016.0.5inaki
gi-javascriptcore490.00JavaScriptCore 4.x bindings (bindings, lgpl, library)2025-01-014.0.29inaki
gi-javascriptcore660.00JavaScriptCore 6.x bindings (bindings, lgpl, library)2025-01-016.0.5inaki
gi-json40.01JSON GObject bindings (bindings, lgpl, library)2024-06-161.0.6inaki
gi-keybinder30.00Libkeybinder bindings (bindings, lgpl, library)2024-06-160.3.3inaki
gi-nm20.00NM bindings (bindings, lgpl, library)2024-12-221.0.1inaki
gi-notify110.01Libnotify bindings (bindings, lgpl, library)2024-06-160.7.28inaki
gi-ostree60.02OSTree bindings (bindings, lgpl, library)2024-06-161.0.19inaki
gi-pango630.016Pango bindings (bindings, lgpl, library)2024-06-161.0.30inaki
gi-pangocairo190.03PangoCairo bindings (bindings, lgpl, library)2024-06-161.0.31inaki
gi-poppler90.01Poppler bindings (bindings, lgpl, library)2024-06-160.18.30inaki
gi-rsvg40.00librsvg bindings (bindings, lgpl, library)2024-06-162.0.6inaki
gi-secret90.01Libsecret bindings (bindings, lgpl, library)2025-03-090.0.20inaki
gi-soup170.04Libsoup 3.x bindings (compatibility layer) (bindings, lgpl, library)2025-01-013.0.4inaki
gi-soup290.00Libsoup 2.4.x bindings (bindings, lgpl, library)2025-01-012.4.30inaki
gi-soup360.00Libsoup 3.x bindings (bindings, lgpl, library)2025-01-013.0.4inaki
gi-vips60.00libvips GObject bindings (bindings, lgpl, library)2024-06-168.0.5inaki
gi-vte220.02Vte bindings (bindings, lgpl, library)2025-01-012.91.34inaki
gi-webkit290.04WebKit 6.x bindings (bindings, lgpl, library)2025-01-016.0.4inaki
gi-webkit2320.02WebKit2 bindings (bindings, lgpl, library)2025-01-014.0.32inaki
gi-webkit2webextension460.01WebKit2-WebExtension 4.x bindings (bindings, lgpl, library)2025-01-014.0.32inaki
gi-webkitwebprocessextension90.00WebKitWebProcessExtension 6.x bindings (bindings, lgpl, library)2025-01-016.0.4inaki
gi-wnck50.01Wnck bindings (bindings, lgpl, library)2025-01-013.0.16inaki
gi-xlib130.01xlib bindings (bindings, lgpl, library)2024-06-162.0.14inaki
gibberish20.00Generate easy-to-remember, hard-to-guess passwords (cryptography, library, mit, program)2024-03-263.0.0.0sgillespie
gigaparsec52.50Refreshed parsec-style library for compatibility with Scala parsley (bsd3, library, text)2025-01-190.3.1.0j_mie6
gimlh40.02Haskell parser for GIML (language, library, mit)2015-04-160.1.3.0gazay
ginger130.03An implementation of the Jinja2 template language in Haskell (library, mit, text)2023-08-160.10.5.2TobiasDammers, TravisCardwell
gingersnap72.251Consistent and safe JSON APIs with snap-core and (by default) postgresql-simple (bsd3, library, web)2018-11-300.3.1.0TomMurphy, TomBop
gio330.012Binding to GIO (lgpl, library, system)2025-03-200.13.12.0AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
giphy-api50.01Giphy HTTP API wrapper and CLI search tool. (bsd3, library, web)2019-10-130.7.0.0passy
git51.753Git operations in haskell (bsd3, development, library)2019-01-260.3.0VincentHanquez
git-config60.01A simple parser for Git configuration files (bsd3, git, library)2019-11-170.1.2ffreire
git-cuk12.00Haskell Git Helper Tool (cli-tool, git, library, mpl, program)2020-07-170.0.1shitiomatic
git-date20.01Bindings to the date parsing from Git. (data, gpl, library)2018-06-030.3.0StephenWeber
git-embed (deprecated in favor of githash)52.01Use TH to embed Git repo information. (bsd2, deprecated, git, library)2014-12-150.1.0borsboom
git-lfs310.00git-lfs protocol (agpl, library, network)2025-02-181.2.5JoeyHess
git-object (deprecated in favor of gitlib)10.01Git object and its parser (bsd3, data, deprecated, library)2012-01-200.0.2KazuYamamoto
git-remote-ipfs30.00Git remote helper to store git objects on IPFS (bsd3, library, network, program)2019-05-230.1.0.0jkarni
git-sanity20.01A sanity checker for your git history. (apache, development, library, program)2014-12-230.1.0.0aloiscochard
git-vogue50.01A framework for pre-commit checks. (bsd3, development, library, program)2018-05-120.3.0.2ChristianMarie, oswynb
gitHUD (deprecated in favor of githud)50.00More efficient replacement to the great git-radar (bsd3, deprecated, development, library, program)2017-03-311.3.7gbataille
gitea-api70.00Auto-generated gitea-api API Client (bsd3, library, web)2025-01-231.23.1.0abrar
githash480.019Compile git revision info into Haskell projects (bsd3, development, library)2023-06-210.1.7.0MichaelSnoyman
github212.011Access to the GitHub API, v3. (bsd3, library, network)2023-06-240.29AndreasAbel, JohnWiegley, MaxwellSwadling, MikeBurns, phadej, cesar_nataren
github-app-token50.00Generate an installation access token for a GitHub App (http, library, mit)2024-09-260.0.3.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
github-data (deprecated)20.01Access to the GitHub API, v3. (bsd3, deprecated, library, network)2018-01-210.18
github-post-receive190.01GitHub webhooks library (bsd3, library, web)2014-11-071.2.0.1ShoheiYasutake
github-release200.00Upload files to GitHub releases. (library, mit, program, utility)2025-02-022.0.0.12fozworth
github-rest100.01Query the GitHub REST API programmatically (bsd3, github, library)2024-06-071.2.1brandonchinn178
github-tools40.01Various Github helper utilities. (development, gpl, library, program)2023-12-200.1.2iphydf
github-types170.03Type definitions for objects used by the GitHub v3 API (github, library)2016-05-250.2.1MihaiMaruseac, wereHamster
github-utils20.01Useful functions that use the GitHub API (bsd3, library, network)2015-03-280.1.0RobinGreen
github-webhook-handler250.01GitHub WebHook Handler (github, library, mit)2016-05-250.0.8wereHamster
github-webhook-handler-snap210.01GitHub WebHook Handler implementation for Snap (github, library, mit)2016-10-290.0.7wereHamster
github-webhooks182.251Aeson instances for GitHub webhook payloads. (github, library, mit)2025-03-260.18.0KyleVanBerendonck, onrock_eng, cuedo_com_au
github-workflow-commands40.00GitHub Actions workflow commands (github, library, mit)2024-10-040.0.1.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
githud40.00Heads up, and you see your GIT context (bsd3, development, library, program)2022-10-233.3.0gbataille
gitit182.253Wiki using happstack, git or darcs, and pandoc. (library, network, program)2024-01-280.15.1.2JohnMacFarlane
gitlab-api (deprecated in favor of gitlab-haskell)31.250Gitlab Web API (bsd3, deprecated, library, web)2018-06-210.0.0.2locallycompact
gitlab-haskell182.50A Haskell library for the GitLab web API (bsd3, git, library)2025-03-051.1.0.0RobStewart
gitlib142.08API library for working with Git repositories (ffi, library, mit)2021-03-213.1.3JohnWiegley
gitlib-cmdline50.01Gitlib repository backend that uses the git command-line tool. (git, library, mit)2015-05-213.1.0.2JohnWiegley
gitlib-cross (deprecated)20.01Run tests between repositories (deprecated, ffi, library, mit)2014-06-193.1.0JohnWiegley
gitlib-libgit2200.03Libgit2 backend for gitlib (ffi, library, mit)2019-01-313.1.2.1JohnWiegley
gitlib-s330.01Gitlib repository backend for storing Git objects in Amazon S3 (git, library, mit)2015-01-073.1.0.1JohnWiegley
gitlib-sample (deprecated)40.01Sample backend for gitlib showing the basic structure for any backend. (deprecated, ffi, library, mit)2014-06-193.1.0JohnWiegley
gitlib-test150.01Test library for confirming gitlib backend compliance (ffi, library, mit)2019-05-013.1.2JohnWiegley
gitlib-utils (deprecated in favor of gitlib)20.04Generic utility functions for working with Git repositories (deprecated, ffi, library, mit)2013-07-041.2.0JohnWiegley
gitrev402.2536Compile git revision info into Haskell projects (bsd3, development, library)2017-03-171.3.1AdamFoltzer
gitson (deprecated)30.01A document store library for Git + JSON. (database, deprecated, git, json, library, public-domain)2016-07-210.5.2valpackett
gitter22.01Gitter.im API client (api, bsd3, library, network)2019-06-090.5cblp
givegif30.00CLI Giphy search tool with previews in iTerm 2 (bsd3, console, library, program)2016-04-091.0.0.0passy
gjk22.01Gilbert-Johnson-Keerthi (GJK) collision detection algorithm (graphics, library, mit)2020-03-240.0.0.2zaidan
gjk2d20.01 (bsd3, graphics, library)2020-11-070.1.0.3suzumiya
gl232.013Complete OpenGL raw bindings (bsd3, graphics, library)2025-03-030.9.1EdwardKmett, Polarina, ryanglscott
gl-block60.04OpenGL standard memory layouts (graphics, library)2023-05-311.0AlexanderBondarenko
gl-capture40.02simple image capture from OpenGL (bsd3, graphics, library)2012-07-020.1.0.0ClaudeHeilandAllen
gl3w30.00Haskell bindings for the gl3w library. (graphics, library, mit)2021-04-100.1.0sighingnow
glabrous150.02A template DSL library (bsd3, library, text, web)2024-01-022.0.6.3MichelBoucey
glade20.09Binding to the glade library. (graphics, lgpl, library)2016-12-130.13.1AndyStewart, AxelSimon, DuncanCoutts, HamishMackenzie
gladexml-accessor20.01Automagically declares getters for widget handles in specified interface file. (bsd3, gui, library)2009-10-130.0YakovZaytsev
glambda42.00A simply typed lambda calculus interpreter, written with GADTs (bsd3, compilers-interpreters, library, program)2017-11-271.0.2RichardEisenberg
glapp (deprecated)30.01An OpenGL micro framework. (deprecated, gpl, graphics, library, program)2014-01-080.1.0.1SchellScivally
glasso80.02Graphical Lasso algorithm (bsd3, library, math)2015-04-150.1.0kaizhang
glaze40.01Framework for rendering things with metadata/headers and values (bsd3, library, text)2017-03-060.3.0.1louispan
glazier20.03Extensible effects using ContT, State and variants. (bsd3, gui, library)2018-07-021.0.0.0louispan
glazier-pipes (deprecated)20.01A threaded rendering framework using glaizer and pipes (bsd3, deprecated, frp, library)2017-03-060.1.5.1louispan
glazier-react20.01ReactJS binding using Glazier.Command. (bsd3, gui, library, web)2018-07-021.0.0.0louispan
glazier-react-widget40.00Generic widget library using glazier-react (bsd3, gui, library, web)2018-07-021.0.0.0louispan
glfw-group500.01GLFW package with window groups destroyed together (bsd3, graphics, library, program)2025-03-190.1.0.6YoshikuniJujo
gli20.00Tiny cli to fetch PR info from gitlab (bsd3, cli, library, program)2017-01-020.0.1.1goromlagche
glib1100.085Binding to the GLIB library for Gtk2Hs. (lgpl, library, system)2025-03-200.13.12.0AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
glib-stopgap50.01Stopgap package of binding for GLib (bsd3, library, system)2024-12-120.1.0.1YoshikuniJujo
glicko30.01Glicko-2 implementation in Haskell. (gpl, library, math)2021-01-130.3.0.2rprecenth
glider-nlp20.03Natural Language Processing library (bsd3, library, nlp, text)2016-10-030.4klangner
glirc172.00Console IRC client (library, network, program)2024-08-132.41EricMertens
gll62.04GLL parser with simple combinator interface (bsd3, compilers, library)2023-05-260.4.1.1ltvanbinsbergen
glob-imports10.00Import modules for metaprogramming (bsd3, library, metaprogramming, program)2024-01-220.0.1.0parsonsmatt
glob-posix60.01Haskell bindings for POSIX glob library. (library, system)2019-03-030.2.0.1rdnetto
global20.01Library enabling unique top-level declarations (bsd3, data, language, library, system)2014-12-020.2.1.0ByronJohnson
global-config20.01Global mutable configuration (bsd3, configuration, library)2012-05-100.3.1AlexanderDorofeev
global-lock50.02A global lock implemented without unsafePerformIO (bsd3, concurrency, library, system)2011-11-040.1KeeganMcAllister
global-variables30.02Namespaced, global, and top-level mutable variables without unsafePerformIO. (bsd3, data, library, reflection)2012-03-031.0.1.1JeanMarieGaillourdet
globus20.00Globus Data Transfer (bsd3, data, library, science, system)2024-11-070.1.3seanhess
glome-hs10.01ray tracer (graphics, library, program)2010-06-190.61DonaldStewart, JimSnow
gloss512.7536Painless 2D vector graphics, animations and simulations. (graphics, library, mit)2022-03-201.13.2.2BenLippmeier, ScottWalck, TrevorMcDonell
gloss-accelerate40.02Extras to interface Gloss and Accelerate (accelerate, bsd3, graphics, library)2020-08-282.1.0.0TrevorMcDonell
gloss-algorithms190.01Data structures and algorithms for working with 2D graphics. (graphics, library, mit)2022-03-201.13.0.3BenLippmeier, ScottWalck, TrevorMcDonell
gloss-banana20.01An Interface for gloss in terms of a reactive-banana Behavior. (gpl, graphics, library)2014-10-300.1.0.4Twey
gloss-devil20.01Display images in Gloss using libdevil for decoding (bsd3, graphics, library)2012-11-040.2ThomasDuBuisson
gloss-export20.00Export Gloss pictures to png, bmp, tga, tiff, gif and juicy-pixels-image (graphics, library, mit, program)2021-07-250.1.0.4timoa
gloss-game30.01Gloss wrapper that simplifies writing games (bsd3, game, graphics, library)2014-08-030.3.3.0ManuelChakravarty
gloss-juicy102.03Load any image supported by Juicy.Pixels in your gloss application (bsd3, graphics, library, program)2018-08-290.2.3AlpMestanogullari, HugoPacheco
gloss-raster130.01Parallel rendering of raster images. (graphics, library, mit)2020-07-181.13.1.2BenLippmeier, ScottWalck, TrevorMcDonell
gloss-raster-accelerate70.01Parallel rendering of raster images using Accelerate (accelerate, bsd3, graphics, library)2020-08-282.1.0.0TrevorMcDonell
gloss-raster-massiv42.00Massiv-based alternative for gloss-raster (bsd3, graphics, library)2023-08-040.1.1.5MatthewMosior
gloss-rendering532.07Gloss picture data types and rendering functions. (graphics, library, mit)2022-03-201.13.1.2BenLippmeier, ScottWalck, TrevorMcDonell, danielkroeni
gloss-sodium20.01A Sodium interface to the Gloss drawing package. (agpl, graphics, library)2014-10-300.1.0.0Twey
glpk-headers60.03Low-level Haskell bindings to the GLPK library (bsd3, library, math)2023-01-280.5.1prsteele
glpk-hs50.06Comprehensive GLPK linear programming bindings (bsd3, library, math, program)2021-01-290.8JeanPhilippeBernardy, LouisWasserman
glsl32.00Parser and optimizer for a small subset of GLSL (bsd3, graphics, library, program)2021-04-200.0.1.0pippijn
gltf-codec52.02glTF scene loader (bsd3, graphics, library)2024-11-140.1.0.5AlexanderBondarenko
gltf-loader20.00High level GlTF loader (graphics, library, mit, program)2022-11-280.3.0.0sgillespie
glualint20.00Attempts to fix your syntax erroring Lua files. (language, lgpl, library)2024-07-011.29.0FPtje
glue (deprecated in favor of glue-common, glue-core, glue-ekg, glue-example)20.00Make better services. (bsd3, deprecated, library, network, program)2015-08-240.2.0seanparsons
glue-common40.02Make better services and clients. (bsd3, library, network)2019-03-170.6.3seanparsons
glue-core62.00Make better services and clients. (bsd3, library, network)2019-03-170.6.3seanparsons
glue-ekg30.00Make better services and clients. (bsd3, library, network)2019-03-170.6.3seanparsons
gluturtle60.01turtle like LOGO with glut (bsd3, library, teaching)2014-10-240.0.58.1YoshikuniJujo
gmail-simple40.00Simple library for Google Mail (GMail). (bsd3, email, google, library)2024-02-010.1.0.6DanielDiaz
gmap20.01Composable maps and generic tries. (bsd3, data-structures, library)2008-12-150.1JamieBrandon
gmpint (deprecated in favor of hgmp)50.02GMP integer conversions (bsd3, c, deprecated, ffi, foreign, library)2018-08-070.1.1.2
gnome-keyring80.01Bindings for libgnome-keyring (desktop, gpl, library)2019-08-090.3.1.1NickPershyn
gnomevfs30.02Binding to the GNOME Virtual File System library. (library, system)2010-05-250.11.0AxelSimon
gnss-converters140.00GNSS Converters. (bsd3, library, network, program)2018-07-100.3.52peddie, markfine, mookerji
gnuidn50.02Bindings for GNU IDN (codec, gpl, library, text)2015-10-250.2.2StephenWeber
gnuplot341.5102D and 3D plots using gnuplot (bsd3, graphics, library, math)2022-02-130.5.7HenningThielemann
gnutls90.02Bindings for GNU libgnutls (gpl, library, network)2024-09-040.3.1StephenWeber
goa40.01GHCi bindings to lambdabot (bsd3, library, system)2013-10-283.3GwernBranwen
goal-core20.04Common, non-geometric tools for use with Goal (bsd3, library, math)2021-08-310.20alex404
goal-geometry20.03The basic geometric type system of Goal (bsd3, library, math)2021-08-310.20alex404
goal-graphical20.00Optimization of latent variable and dynamical models with Goal (bsd3, library, math)2021-08-310.20alex404
goal-probability20.02Optimization on manifolds of probability distributions with Goal (bsd3, library, math)2021-08-310.20alex404
goal-simulation10.00Mealy based simulation tools (bsd3, library, math, program)2015-12-220.1alex404
goat10.01Time Series Compression (codec, library)2017-01-121.0.0lovasko
goatee80.02A monadic take on a 2,500-year-old board game - library. (agpl, game, library)2021-01-250.4.0khumba
goatee-gtk80.01A monadic take on a 2,500-year-old board game - GTK+ UI. (agpl, game, library, program)2021-01-250.4.0khumba
gochan20.00Go-style channels (concurrency, library, mit, program)2017-03-210.0.2cstrahan
godot-haskell30.00Haskell bindings for the Godot game engine API (bsd3, library, web)2018-11-020.1.0.0KaneTW
godot-megaparsec30.00Megaparsec parser for Godot `tscn` and `gdextension` files. (bsd3, library, program)2022-06-180.2.5.1whartnett
gofer-prelude50.01The Gofer 2.30 standard prelude (bsd3, data, library)2011-05-092.30.3DonaldStewart
goggles40.02Extensible interface to Web APIs (bsd3, library, network)2018-02-190.3.2ocramz
goggles-gcs20.01`goggles` interface to Google Cloud Storage (bsd3, library, network)2018-03-130.1.2ocramz
gogol32.253Comprehensive Google Services SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-abusiveexperiencereport10.00Google Abusive Experience Report SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-acceleratedmobilepageurl10.00Google Accelerated Mobile Pages (AMP) URL SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-accessapproval10.00Google Access Approval SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-accesscontextmanager10.00Google Access Context Manager SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-adexchange-buyer80.01Google Ad Exchange Buyer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-adexchange-seller90.01Google Ad Exchange Seller SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-adexchangebuyer210.00Google Ad Exchange Buyer API II SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-adexperiencereport20.00Google Ad Experience Report SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-admin-datatransfer20.01Google Admin Data Transfer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-admin-directory20.01Google Admin Directory SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-admin-emailmigration60.01Google Email Migration API v2 SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-admin-reports80.01Google Admin Reports SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-adsense10.01Google AdSense Management SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-adsense-host80.01Google AdSense Host SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-affiliates60.01Google Affiliate Network SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-alertcenter20.00Google G Suite Alert Center SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-analytics80.01Google Analytics SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-analyticsreporting30.00Google Analytics Reporting SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-android-enterprise10.01Google Play EMM SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-android-publisher10.01Google Play Developer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-androiddeviceprovisioning10.00Google Android Device Provisioning Partner SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-androidmanagement10.00Google Android Management SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-appengine90.01Google App Engine Admin SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-apps-activity80.01Google Drive Activity SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-apps-calendar80.01Google Calendar SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-apps-licensing80.01Google Enterprise License Manager SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-apps-reseller80.01Google Enterprise Apps Reseller SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-apps-tasks20.01Google Tasks SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-appstate80.01Google App State SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-autoscaler10.01Google Compute Engine Autoscaler SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-bigquery20.01Google BigQuery SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-bigquerydatatransfer30.00Google BigQuery Data Transfer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-bigtableadmin10.00Google Cloud Bigtable Admin SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-billing20.01Google Cloud Billing SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-binaryauthorization20.00Google Binary Authorization SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-blogger10.01Google Blogger SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-books10.01Google Books SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-chat10.00Google Hangouts Chat SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-civicinfo80.01Google Civic Information SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-classroom80.01Google Classroom SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudasset30.00Google Cloud Asset SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-clouderrorreporting10.00Google Stackdriver Error Reporting SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudfunctions40.00Google Cloud Functions SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudidentity10.00Google Cloud Identity SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudiot30.00Google Cloud IoT SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudkms30.00Google Cloud Key Management Service (KMS) SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudmonitoring20.01Google Cloud Monitoring SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-cloudprivatecatalog20.00Google Cloud Private Catalog SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudprivatecatalogproducer10.00Google Cloud Private Catalog Producer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudprofiler10.00Google Stackdriver Profiler SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudscheduler10.00Google Cloud Scheduler SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudsearch30.00Google Cloud Search SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudshell10.00Google Cloud Shell SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudtasks40.00Google Cloud Tasks SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-cloudtrace80.01Google Stackdriver Trace SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-commentanalyzer10.00Google Perspective Comment Analyzer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-composer30.00Google Cloud Composer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-compute20.01Google Compute Engine SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-consumersurveys20.00Google Consumer Surveys SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-container90.01Google Kubernetes Engine SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-containeranalysis40.00Google Container Analysis SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-containerbuilder60.01Google Cloud Build SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-core130.0182Core data types and functionality for Gogol libraries. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-customsearch80.01Google CustomSearch SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-dataflow70.01Google Dataflow SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-datafusion10.00Google Cloud Data Fusion SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-dataproc70.01Google Cloud Dataproc SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-datastore20.01Google Cloud Datastore SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-debugger80.01Google Stackdriver Debugger SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-deploymentmanager70.01Google Cloud Deployment Manager SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-dfareporting40.01Google DCM/DFA Reporting And Trafficking SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-dialogflow30.00Google Dialogflow SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-digitalassetlinks10.00Google Digital Asset Links SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-discovery80.01Google API Discovery Service SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-dlp20.00Google Cloud Data Loss Prevention (DLP) SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-dns30.01Google Cloud DNS SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-docs20.00Google Docs SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-doubleclick-bids90.01Google DoubleClick Bid Manager SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-doubleclick-search30.01Google DoubleClick Search SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-drive40.01Google Drive SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-driveactivity30.00Google Drive Activity SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-factchecktools20.00Google Fact Check Tools SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-file20.00Google Cloud Filestore SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-firebase-dynamiclinks60.01Google Firebase Dynamic Links SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-firebase-rules70.01Google Firebase Rules SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-firebasehosting10.00Google Firebase Hosting SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-firebaseremoteconfig20.00Google Firebase Remote Config SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-firestore30.01Google Cloud Firestore SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-fitness80.01Google Fitness SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-fonts10.01Google Fonts Developer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-freebasesearch20.01Google Freebase Search SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-fusiontables80.01Google Fusion Tables SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-games20.01Google Play Game Services SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-games-configuration90.01Google Play Game Services Publishing SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-games-management70.01Google Play Game Services Management SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-genomics80.01Google Genomics SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-gmail30.01Google Gmail SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-groups-migration80.01Google Groups Migration SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-groups-settings90.01Google Groups Settings SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-healthcare10.00Google Cloud Healthcare SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-iam10.01Google Identity and Access Management (IAM) SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-iamcredentials10.00Google IAM Service Account Credentials SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-iap20.00Google Cloud Identity-Aware Proxy SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-identity-toolkit80.01Google Identity Toolkit SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-indexing50.00Google Indexing SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-jobs10.00Google Cloud Talent Solution SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-kgsearch70.01Google Knowledge Graph Search SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-language60.01Google Cloud Natural Language SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-latencytest40.01Google Cloud Network Performance Monitoring SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-libraryagent10.00Google Library Agent SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-logging50.01Google Stackdriver Logging SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-manufacturers50.01Google Manufacturer Center SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-maps-coordinate10.01Google Maps Coordinate SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-maps-engine30.01Google Maps Engine SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-mirror20.01Google Mirror SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-ml20.01Google Cloud Machine Learning Engine SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-monitoring80.01Google Stackdriver Monitoring SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-oauth210.01Google OAuth2 SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-oslogin30.00Google Cloud OS Login SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-pagespeed10.01Google PageSpeed Insights SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-partners80.01Google Partners SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-people30.01Google People SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-photoslibrary10.00Google Photos Library SDK. (cloud, google, library, network)2019-02-050.4.0BrendanHay
gogol-play-moviespartner30.01Google Play Movies Partner SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-playcustomapp10.00Google Play Custom App Publishing SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-plus20.01Google + SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-plus-domains10.01Google + Domains SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-poly30.00Google Poly SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-prediction80.01Google Prediction SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-proximitybeacon70.01Google Proximity Beacon SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-pubsub90.01Google Cloud Pub/Sub SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-qpxexpress90.01Google QPX Express SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-redis20.00Google Cloud Memorystore for Redis SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-remotebuildexecution10.00Google Remote Build Execution SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-replicapool80.01Google Replica Pool SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-replicapool-updater80.01Google Compute Engine Instance Group Updater SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-resourcemanager80.01Google Cloud Resource Manager SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-resourceviews10.01Google Compute Engine Instance Groups SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-run30.00Google Cloud Run SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-runtimeconfig60.01Google Cloud Runtime Configuration SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-safebrowsing20.01Google Safe Browsing SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-script30.01Google Apps Script SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-searchconsole10.00Google Search Console URL Testing Tools SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-securitycenter10.00Google Cloud Security Command Center SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-servicebroker20.00Google Service Broker SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-serviceconsumermanagement30.00Google Service Consumer Management SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-servicecontrol20.01Google Service Control SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-servicemanagement10.01Google Service Management SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-servicenetworking10.00Google Service Networking SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-serviceusage30.00Google Service Usage SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-serviceuser40.00Google Service User SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-sheets32.02Google Sheets SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-shopping-content160.01Google Content API for Shopping SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-siteverification80.01Google Site Verification SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-slides30.01Google Slides SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-sourcerepo30.00Google Cloud Source Repositories SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-spanner20.00Google Cloud Spanner SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-spectrum90.01Google Spectrum Database SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-speech10.00Google Cloud Speech-to-Text SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-sqladmin100.01Google Cloud SQL Admin SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-storage30.01Google Cloud Storage JSON SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-storage-transfer80.01Google Storage Transfer SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-streetviewpublish10.00Google Street View Publish SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-surveys30.00Google Surveys SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-tagmanager100.01Google Tag Manager SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-taskqueue20.01Google TaskQueue SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-testing20.00Google Cloud Testing SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-texttospeech10.00Google Cloud Text-to-Speech SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-toolresults30.00Google Cloud Tool Results SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-tpu20.00Google Cloud TPU SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-tracing30.00Google Tracing SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-translate20.01Google Cloud Translation SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-urlshortener90.01Google URL Shortener SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-useraccounts20.01Google Cloud User Accounts SDK. (cloud, google, library, network)2017-07-120.3.0BrendanHay
gogol-vault20.00Google G Suite Vault SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-videointelligence10.00Google Cloud Video Intelligence SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-vision20.01Google Cloud Vision SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-webmaster-tools90.01Google Search Console SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-websecurityscanner10.00Google Web Security Scanner SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-youtube30.01Google YouTube Data SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-youtube-analytics40.01Google YouTube Analytics SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
gogol-youtube-reporting40.01Google YouTube Reporting SDK. (cloud, google, library, network)2019-08-230.5.0BrendanHay
goldplate50.00A lightweight golden test runner (apache, language, library, program)2024-09-300.2.2.1AndreasAbel, JasperVanDerJeugt
gooey10.01Graphical user interfaces that are renderable, change over time and eventually produce a value. (control, library, mit)2015-10-060.1.0.0SchellScivally
google-cloud20.01Client for the Google Cloud APIs (google, library, mit)2016-05-280.0.4wereHamster
google-cloud-common30.00GCP Client for Haskell (library, mit, web)2025-03-240.1.0.0tusharad
google-cloud-compute30.00GCP Client for Haskell (library, mit, web)2025-03-240.1.0.0tusharad
google-cloud-logging40.00GCP Client for Haskell (library, mit, web)2025-03-240.1.0.0tusharad
google-cloud-storage30.00 (library, mit, unclassified)2025-03-240.1.0.0tusharad
google-dictionary (deprecated)80.01Simple interface to the google.com/dictionary API (bsd3, data, deprecated, library)2014-01-230.1.0.2mitchellwrosen
google-drive40.01Google Drive API access (library, mit, unclassified)2015-08-120.4.1PatrickBrisbin
google-isbn70.01 (bsd3, library, text, web)2018-11-161.0.3apeyroux
google-mail-filters40.01Write GMail filters and output to importable XML (bsd3, data, library, web, xml)2016-03-310.0.1.2LiyangHu
google-maps-geocoding50.01Bindings to the Google Geocoding API (formerly Maps Geocoding API) (bsd3, library, web)2024-10-270.7.0.3mpilgrem
google-oauth240.01Google OAuth2 token negotiation (library, mit, unclassified)2018-04-240.3.0.0PatrickBrisbin
google-oauth2-easy20.01Opininated use of Google Authentication for ease (bsd3, library, network)2018-03-250.0.0jxv
google-oauth2-for-cli50.01Get Google OAuth2 token for CLI tools (bsd3, library, web)2017-03-210.1.0.1ishiy
google-oauth2-jwt110.01Get a signed JWT for Google Service Accounts (bsd3, google, library)2024-02-010.3.3.1MichelBoucey
google-search10.02EDSL for Google and GMail search expressions (bsd3, language, library, text, web)2016-03-310.2.0.0LiyangHu
google-server-api210.02Google APIs for server to server applications (library, mit, web)2023-09-120.4.1.1arowM
google-static-maps60.01Bindings to the Google Maps Static API (formerly Static Maps API) (bsd3, library, web)2024-10-270.7.0.3mpilgrem
google-translate32.251Google Translate API bindings (bsd3, library, web)2018-05-070.5DavidJohnson
googleplus30.01Haskell implementation of the Google+ API v1 (bsd3, library, web)2011-10-170.3.1.1MichaelXavier
googlepolyline52.01Google Polyline Encoder/Decoder (data, library, mit, text)2016-04-160.1.0.2lorne
gopro-plus80.00GoPro Plus Client API. (bsd3, library, web)2025-03-090.6.6.7dustin
gore-and-ash20.08Core of FRP game engine called Gore&Ash (bsd3, game, library)2016-11-191.2.2.0NCrashed
gore-and-ash-actor10.01Gore&Ash engine extension that implements actor style of programming (bsd3, game, library)2016-11-191.2.2.0NCrashed
gore-and-ash-async10.01Core module for Gore&Ash engine that embeds async IO actions into game loop. (bsd3, game, library)2016-11-191.1.1.0NCrashed
gore-and-ash-glfw20.01Core module for Gore&Ash engine for GLFW input events (bsd3, game, library)2016-11-191.1.2.0NCrashed
gore-and-ash-lambdacube20.01Core module for Gore&Ash engine that do something. (bsd3, game, library)2016-11-190.2.0.0NCrashed
gore-and-ash-logging70.02Core module for gore-and-ash with logging utilities (bsd3, game, library)2016-11-192.0.1.0NCrashed
gore-and-ash-network40.01Core module for Gore&Ash engine with low level network API (bsd3, game, library)2016-11-191.4.0.0NCrashed
gore-and-ash-sdl10.00Gore&Ash core module for integration with SDL library (bsd3, game, library)2016-11-192.1.1.0NCrashed
gore-and-ash-sync10.00Gore&Ash module for high level network synchronization (bsd3, library, web)2016-11-191.2.0.1NCrashed
gothic80.00A Haskell Vault KVv2 secret engine client (bsd3, database, devops, library, security)2024-01-250.1.8.2MichelBoucey
gotyno-hs50.00A type definition compiler supporting multiple output languages. (bsd2, compiler, library, program)2021-08-051.1.0gonz
gpcsets30.01Generalized Pitch Class Sets for Haskell. (bsd3, data, library)2009-05-140.9.2.0BruceMcCosa
gpio30.00Haskell GPIO interface, designed specifically for the RaspberryPi. (bsd3, hardware, library, program)2017-11-060.1.0.3tgolson
gpmf50.00 (bsd3, library, program, unclassified)2023-07-070.2.1.0dustin
gpolyline50.02Pure module for encoding/decoding Google Polyline (bsd3, graphics, library)2014-07-300.1.0.1FinnEspenGundersen
gps30.03For manipulating GPS coordinates and trails. (bsd3, data, library)2015-02-081.2ThomasDuBuisson
gps2htmlReport50.01GPS to HTML Summary Report (bsd3, data, library, program)2012-01-290.3.1RobStewart
gpu-vulkan70.03Vulkan library (bsd3, gpu, library)2025-02-180.1.0.170YoshikuniJujo
gpu-vulkan-core210.01Thin wrapper for Vulkan API (bsd3, gpu, library)2025-02-030.1.0.21YoshikuniJujo
gpu-vulkan-core-khr-surface40.00Thin wrapper for VK_KHR_surface extension of the Vulkan API (bsd3, gpu, library)2025-02-140.1.0.0YoshikuniJujo
gpu-vulkan-core-khr-swapchain40.00Thin wrapper for VK_KHR_swapchain extension of the Vulkan API (bsd3, gpu, library)2025-02-140.1.0.0YoshikuniJujo
gpu-vulkan-khr-surface40.00VK_KHR_surface extension of the Vulkan API (bsd3, gpu, library)2025-02-140.1.0.0YoshikuniJujo
gpu-vulkan-khr-surface-glfw50.00GLFW surface for Vulkan (bsd3, gpu, library)2025-02-150.1.0.0YoshikuniJujo
gpu-vulkan-khr-swapchain80.00VK_KHR_swapchain extension of the Vulkan API (bsd3, gpu, library)2025-02-190.1.0.1YoshikuniJujo
gpu-vulkan-middle390.04Medium wrapper for Vulkan API (bsd3, gpu, library)2025-02-180.1.0.75YoshikuniJujo
gpu-vulkan-middle-khr-surface40.00medium wrapper for VK_KHR_surface extension of the Vulkan API (bsd3, gpu, library)2025-02-140.1.0.0YoshikuniJujo
gpu-vulkan-middle-khr-surface-glfw60.00medium wrapper for GLFW surface for the Vulkan API (bsd3, gpu, library, program)2025-02-140.1.0.1YoshikuniJujo
gpu-vulkan-middle-khr-swapchain50.00medium wrapper for VK_KHR_swapchain extension of the Vulkan API (bsd3, gpu, library)2025-02-140.1.0.0YoshikuniJujo
gpx-conduit20.02Read GPX files using conduits (bsd3, data, library)2012-08-120.1.1RyanTrinkle, ThomasDuBuisson
grab22.01Applicative non-linear consumption (control, library, mit)2025-01-210.0.0.9chris_martin, Monoid_Mary
grab-form42.00Applicative parsers for form parameter lists (library, mit, text)2025-01-210.0.0.9chris_martin, Monoid_Mary
graceful20.01Library to write graceful shutdown / upgrade service. (bsd3, library, system)2015-03-020.1.1.5NoriyukiOhkawa
grafana20.00API for creating grafana dashboards represented as json (bsd3, graphics, library, tooling)2019-09-120.2chessai
graflog40.01Monadic correlated log events (bsd3, library, logging)2017-02-156.1.5marnold
grakn20.01A Haskell client for Grakn (apache, database, graphs, library)2017-12-180.3.0graknlabs
grammar-combinators90.01A parsing library of context-free grammar combinators. (library, parsing)2013-01-020.2.7DominiqueDevriese
grammatical-parsers210.03parsers that combine into grammars (bsd3, library, parsing, program, text)2024-12-150.7.2MarioBlazevic
grapefruit-examples110.01Examples using the Grapefruit library (bsd3, frp, gui, library, reactivity, user-interfaces)2017-04-060.1.0.7WolfgangJeltsch
grapefruit-frp20.05Functional Reactive Programming core (bsd3, frp, library, reactivity)2017-04-060.1.0.7WolfgangJeltsch
grapefruit-records110.04A record system for Functional Reactive Programming (bsd3, data, frp, library, reactivity)2017-04-060.1.0.7WolfgangJeltsch
grapefruit-ui40.03Declarative user interface programming (bsd3, frp, gui, library, reactivity, user-interfaces)2017-04-060.1.0.7WolfgangJeltsch
grapefruit-ui-gtk20.01GTK+-based backend for declarative user interface programming (bsd3, frp, gui, library, reactivity, user-interfaces)2017-04-060.1.0.7WolfgangJeltsch
grapesy40.01Native Haskell implementation of the gRPC framework (bsd3, library, network)2025-01-221.0.0EdskoDeVries
grapesy-etcd70.00grapesy-etcd - GRPC interface to etcd (apache, library, program, unclassified)2025-02-190.3.0locallycompact
graph30.01Class of graphs (bsd3, data, library)2018-06-270.0.0.0
graph-core140.03Fast, memory efficient and persistent graph implementation (data, library, mit)2016-02-040.3.0.0AlexanderThiemann, DavidLeuschner, StefanWehr
graph-generators82.01Functions for generating structured or random FGL graphs (algorithms, apache, graphs, library, program)2018-06-080.1.4.0ulikoehler
graph-matchings12.01An implementation of algorithms for matchings in graphs (data-structures, graphs, lgpl, library)2014-11-270.1.0.0eberlm
graph-rewriting40.06Monadic graph rewriting of hypergraphs with ports and multiedges (bsd3, graphs, library)2023-12-040.8.0JanRochel
graph-rewriting-gl210.03OpenGL interface for interactive port graph rewriting (bsd3, graphics, graphs, library)2024-03-180.7.9JanRochel
graph-rewriting-layout180.04Force-directed node placement intended for incremental graph drawing (bsd3, graphics, graphs, library)2024-03-180.5.8JanRochel
graph-rewriting-strategies100.01Evaluation strategies for port-graph rewriting systems (bsd3, graphs, library)2024-03-180.2.9JanRochel
graph-serialize10.01Serialization of data structures with references. (bsd3, library, system)2013-12-210.2ThomasSchilling
graph-trace10.00Trace the call graph of a program (debug, development, graph, library, mit, plugin, tooling)2023-03-170.1.0.2aaronallen8455
graph-trace-dot10.00Converts a graph-trace log into a DOT file for use with Graphviz (debug, development, graph, library, mit, plugin, program, tooling)2023-03-170.1.1.3aaronallen8455
graph-utils10.01A simple wrapper & quasi quoter for fgl. (bsd3, data, data-structures, graphs, library)2010-06-290.3.7HiromiIshii
graph-visit30.01Graph walk abstraction (bsd3, development, library)2013-07-240.1.0.2AtzeDijkstra
graph-wrapper70.03A wrapper around the standard Data.Graph with a less awkward interface (bsd3, data-structures, graphs, library)2019-01-250.2.6.0MaxBolingbroke, SoenkeHahn
graphbuilder20.01A declarative, monadic graph construction language for small graphs (data, library, mit)2012-10-170.1.0.0JosephAbrahamson
graphene30.01A minimal Graph Theory library. (data, library, mit)2014-05-250.1.0.45outh
graphics-drawingcombinators120.01A functional interface to 2D drawing in OpenGL (bsd3, graphics, library)2015-07-241.5.1EyalLotem, LukePalmer
graphics-formats-collada50.01Load 3D geometry in the COLLADA format (bsd3, graphics, library)2010-06-110.3.1LukePalmer
graphicsFormats20.03Classes for renderable objects. (bsd3, graphics, library)2008-10-310.1ConalElliott
graphicstools20.01Tools for creating graphical UIs, based on wxHaskell. (bsd3, graphics, library, program)2012-03-130.2.2VilleTirronen
graphite70.02Graphs and networks library (bsd3, data-structures, graphs, library)2019-06-080.10.0.1alx741, DanielCampoverde
graphmod182.251Present the module dependencies of a program as a "dot" graph. (bsd3, development, library, program)2022-12-221.4.5.1IavorDiatchki
graphmod-plugin20.00A reimplementation of graphmod as a source plugin (bsd3, library, program, unclassified)2018-09-290.1.0.0mpickering
graphql72.255Haskell GraphQL implementation (language, library)2024-12-031.5.0.0jdnavarro, belka
graphql-api22.01GraphQL API (library, program, web)2019-10-150.4.0teh, jml
graphql-client140.00A client for Haskell programs to query a GraphQL API (bsd3, graphql, library, program)2024-01-091.2.4brandonchinn178
graphql-spice70.01GraphQL with batteries (language, library, mpl)2024-12-061.0.6.0belka
graphql-utils20.00GraphQL Utils (bsd3, data, graphql, library, utils)2020-09-130.1.0.0Lupino
graphql-w-persistent62.01GraphQL interface middleware for SQL databases. (data, database, development, graphs, language, library)2020-09-180.9.1.0jasonsychau
graphs240.01A simple monadic graph library (algorithms, bsd3, data-structures, graphs, library)2025-03-030.7.3EdwardKmett, ryanglscott
graphted30.01Graph indexed monads. (bsd3, comonads, control, library, monads)2017-05-090.3.1.0AaronFriel
graphula90.00A simple interface for generating persistent data and linking its dependencies (library, mit, network)2025-02-212.1.0.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
graphula-core (deprecated in favor of graphula)20.00A declarative library for describing dependencies between data (deprecated, library, mit, network)2020-11-182.0.0.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
graphviz1582.2552Bindings to Graphviz for graph visualisation. (bsd3, graphics, graphs, library)2025-02-162999.20.2.1DanielDiaz, IvanMiljenovic, MatthewSackman
graphwiz90.00Monadic DOT graph builder DSL (bsd3, data, library, program, text)2025-02-241.0.0nicuveo
graql10.01Execute Graql queries on a Grakn graph (apache, database, graphs, library)2017-01-130.1.1aelred
grasp20.00GRASP implementation for the AMMM project. (bsd3, development, library, program)2016-01-180.1.0.0janmasrovira
gravatar80.07Generate Gravatar image URLs (library, mit, unclassified)2022-03-310.8.1DonaldStewart, PatrickBrisbin
gray-code60.02Gray code encoder/decoder. (bsd3, codec, library)2014-05-130.3.1SergeyAstanin
gray-extended60.02Gray encoding schemes (bsd3, library, math)2021-08-181.5.9AmyDeBuitleir
graylog30.01Support for graylog output. (library, web)2016-02-280.1.0.1andrewrademacher
greencard50.03GreenCard, a foreign function pre-processor for Haskell. (bsd3, foreign, library, program)2014-05-033.0.4.2GwernBranwen, SigbjornFinne
greencard-lib30.01A foreign function interface pre-processor library for Haskell (bsd3, development, library)2008-03-103.0.1GwernBranwen
greg-client20.01A scalable distributed logger with a high-precision global time axis. (bsd3, library, logging)2011-03-091.0.2EugeneKirpichov
gremlin-haskell20.00Graph database client for TinkerPop3 Gremlin Server (bsd3, database, library, program)2015-12-300.1.0.2nakaji_dayo
grenade22.01Practical Deep Learning in Haskell (ai, bsd2, library, machine-learning)2017-04-120.1.0ErikDeCastroLopo, huw
greplicate10.01Generalised replicate functions (data, library)2016-02-030.0.2TonyMorris
greskell380.04Haskell binding for Gremlin graph query language (bsd3, data, library)2025-01-302.0.3.3debugito
greskell-core360.03Haskell binding for Gremlin graph query language - core data types and tools (bsd3, data, library)2025-01-301.0.0.4debugito
greskell-websocket380.01Haskell client for Gremlin Server using WebSocket serializer (bsd3, library, network)2025-01-301.0.0.4debugito
grfn20.00Uniformly-random pre-factored numbers (Kalai) (algorithm, bsd3, library, numbers, program, random)2024-06-221.0.0.1ThreeEyedGod
grid152.254Tools for working with regular grids (graphs, lattices). (bsd3, library, math)2021-08-187.8.15AmyDeBuitleir
grid-proto30.00Game engine for Prototyping on a Grid (bsd3, game, library, program)2022-03-270.2.0.1jxv
gridbounds22.01Collision detection for GridBox (graphics, library, mit)2017-02-140.0.0.1zaidan
gridbox22.01A grid box model (graphics, library, mit)2017-02-140.3.0.0zaidan
gridfs30.01GridFS (MongoDB file storage) implementation (database-, library)2016-02-190.1.0.2btubbs
gridland20.01Grid-based multimedia engine (game, library, mit)2015-08-010.1.0.3jxv
grids30.00 (bsd3, data-structures, library)2019-03-100.5.0.1ChrisPenner
gridtables460.01Parser for reStructuredText-style grid tables. (library, mit, text)2022-09-300.1.0.0JohnMacFarlane, tarleb
grisette50.01Symbolic evaluation as a library (bsd3, formal-methods, library, smt, symbolic-computation, theorem-provers)2024-12-290.11.0.0siruilu
grisette-monad-coroutine30.00Support for monad-coroutine package with Grisette (bsd3, formal-methods, library, smt, symbolic-computation, theorem-provers)2024-01-100.2.0.0siruilu
grm10.02grm grammar converter (bsd3, development, library, program)2012-03-300.1.1BrettLetner
groom132.014Pretty printing for well-behaved Show instances. (bsd3, library, program, text)2017-04-190.1.2.1EdwardYang
groot20.00Command line utility to manage AWS ECS resources (apache, aws, cloud, library, program)2018-04-300.0.1.0alonsodomin
gross10.00A spoof on gloss for terminal animation (graphics, library, mit, program)2017-01-160.1.0.0sgschlesinger
groundhog100.08Type-safe datatype-database mapping library. (bsd3, database, library)2022-01-020.12.0BorisLykah
groundhog-converters30.01Extended Converter Library for groundhog embedded types (bsd3, database, groundhog, groundhog------------------------, library)2016-03-180.1.0scottmurphy09
groundhog-inspector70.01Type-safe datatype-database mapping library. (bsd3, database, library, program)2019-12-160.11.0BorisLykah
groundhog-mysql80.01MySQL backend for the groundhog library. (bsd3, database, library)2022-01-020.12BorisLykah
groundhog-postgresql202.01PostgreSQL backend for the groundhog library. (bsd3, database, library)2022-01-020.12BorisLykah
groundhog-sqlite220.02Sqlite3 backend for the groundhog library (bsd3, database, library)2022-01-020.12.0BorisLykah
groundhog-th112.03Type-safe datatype-database mapping library. (bsd3, database, library)2022-01-020.12BorisLykah
group-theory32.250The theory of groups (algebra, bsd3, groups, library, math, permutations)2021-05-180.2.2ReedMullanix, topos
group-with30.01Classify objects by key-generating function, like SQL GROUP BY (apache, data, library)2015-08-170.2.0.3ulikoehler
groupBy40.01Replacement definition of Data.List.GroupBy (data, library, mit)2018-01-300.1.0.0oisdk
grouped-list30.01Grouped lists. Equal consecutive elements are grouped. (bsd3, data, library)2022-03-150.2.3.0DanielDiaz
groupoid (deprecated)40.01A Groupoid class (bsd3, data, deprecated, library)2009-09-270.1.0StephenTetley
groupoids (deprecated in favor of semigroupoids)122.06This package has been absorbed into semigroupoids 4.0 (bsd3, categories, control, deprecated, library)2013-10-134.0EdwardKmett
groups460.023Groups (algebra, bsd3, data, library, math)2021-05-140.5.3NathanVanDoorn
groups-generic80.00Generically derive Group instances. (algebra, bsd3, library, math)2022-12-040.3.1.0sheaf
grow-vector50.00Mutable vector with efficient appends (data, library, mit)2022-05-210.1.5.0NCrashed
growable-vector40.00A contiguous growable array type. (data, library, mit)2023-08-150.1chessai
growler40.02A revised version of the scotty library that attempts to be simpler and more performant. (library, mit, web)2015-02-210.6.0IanDuncan
grpc-api-etcd20.01Generated messages and instances for etcd gRPC. (bsd3, grpc, library)2018-09-150.2.0.0LucasDiCioccio
grpc-etcd-client30.01gRPC client for etcd (bsd3, distributed-computing, library)2018-09-150.1.2.0LucasDiCioccio
grpc-haskell20.00Haskell implementation of gRPC layered on shared C library. (apache, library, network)2021-04-190.1.0GabrielGonzalez, ParnellSpringmeyer, evanrelf, rizoid
grpc-haskell-core30.01Haskell implementation of gRPC layered on shared C library. (apache, library, network)2021-05-180.1.0GabrielGonzalez
grpc-spec60.00Implementation of the pure part of the gRPC spec (bsd3, library, network)2025-01-221.0.0EdskoDeVries
gruff10.01fractal explorer GUI using the ruff library (gpl, graphics, library, program)2016-11-070.4ClaudeHeilandAllen
gsasl60.03Bindings for GNU libgsasl (gpl, library, network)2024-01-220.4.0StephenWeber
gsc-weighting50.01Generic implementation of Gerstein/Sonnhammer/Chothia weighting. (bsd3, clustering, library)2015-07-210.2.2FelipeLessa
gsl-random20.04Bindings the the GSL random number generation facilities. (bsd3, library, math)2017-09-150.5.3PatrickPerry
gsl-random-fu10.01Instances for using gsl-random with random-fu (library, math, public-domain)2009-05-200.0.0.1JamesCook
gssapi40.01libgssapi and libkrb5 bindings for haskell (bsd3, library, network)2017-11-220.2.0.1ondrap
gssapi-wai30.01WAI Middleware for SPNEGO authentiaction (bsd3, library, network)2018-10-300.1.2.3ondrap
gstorable10.01Generic implementation of Storable (bsd3, data, library)2018-01-310.1.0.3
gstreamer30.01Binding to the GStreamer open source multimedia framework. (lgpl, library, media)2016-05-220.12.8AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
gtfs20.01The General Transit Feed Specification format (bsd3, data, library)2010-09-270.1KeeganMcAllister
gtfs-realtime10.00GTFS RealTime protobafs library (autogenerated from .proto file) (bsd3, data, library)2018-12-090.2.0.0CthulhuDen
gtk1152.0125Binding to the Gtk+ graphical user interface library. (graphics, lgpl, library)2025-03-200.15.10AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
gtk-helpers60.02A collection of auxiliary operations and widgets related to Gtk+ (bsd3, graphics, library)2020-06-050.1.0IvanPerez, keera_studios_ci
gtk-jsinput30.01A simple custom form widget for gtk which allows inputing of JSON values (gpl, graphics, library)2012-11-290.0.0TimothyHobbs
gtk-largeTreeStore40.02Large TreeStore support for gtk2hs (data-structures, graphics, lgpl, library)2014-10-110.0.1.0rakatan
gtk-mac-integration40.02Bindings for the Gtk/OS X integration library. (graphics, lgpl, library)2017-07-160.3.4.0HamishMackenzie
gtk-serialized-event50.014GTK+ Serialized event. (graphics, lgpl, library)2010-11-070.12.0AndyStewart
gtk-simple-list-view50.01A simple custom form widget for gtk which allows single LOC creation/updating of list views. (gpl, graphics, library)2012-11-290.0.0TimothyHobbs
gtk-sni-tray52.01A standalone StatusNotifierItem/AppIndicator tray (bsd3, library, program, system)2022-09-170.1.8.1eyevanmalicesun
gtk-strut90.02Library for creating strut windows with gi-gtk (bsd3, library, system)2022-09-170.1.3.2eyevanmalicesun
gtk-toggle-button-list30.01A simple custom form widget for gtk which allows single LOC creation/updating of toggle button lists. (gpl, graphics, library)2012-11-290.0.0TimothyHobbs
gtk-toy30.01Convenient Gtk canvas with mouse and keyboard input. (bsd3, graphics, gui, library)2012-01-220.2.0MichaelSloan
gtk-traymanager120.02A wrapper around the eggtraymanager library for Linux system trays (graphics, lgpl, library)2018-04-091.0.1TristanRavitch
gtk2hs-buildtools1200.01Tools to build the Gtk2Hs suite of User Interface libraries. (development, gpl, library, program)2025-03-200.13.12.0AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
gtk2hs-cast-glade10.01A type class for cast functions of Gtk2hs: glade package (gui, library)2009-05-310.10.1.1MarcoSilva
gtk2hs-cast-glib50.06A type class for cast functions of Gtk2hs: glib package (gui, library)2009-05-310.10.1.1MarcoSilva
gtk2hs-cast-gnomevfs40.01A type class for cast functions of Gtk2hs: gnomevfs package (gui, library)2009-05-310.10.1.2MarcoSilva
gtk2hs-cast-gtk20.01A type class for cast functions of Gtk2hs: gtk package (gui, library)2009-05-310.10.1.2MarcoSilva
gtk2hs-cast-gtkglext40.01A type class for cast functions of Gtk2hs: gtkglext package (gui, library)2009-05-310.10.1.2MarcoSilva
gtk2hs-cast-gtksourceview240.01A type class for cast functions of Gtk2hs: gtksourceview2 package (gui, library)2009-05-310.10.1.2MarcoSilva
gtk2hs-cast-th10.05A type class for cast functions of Gtk2hs: TH package (gui, library)2009-05-310.10.1.0MarcoSilva
gtk2hs-rpn10.01Adds a module to gtk2hs allowing layouts to be defined using reverse polish notation. (gui, library)2011-09-230.2.1MauricioAntunes
gtk3272.536Binding to the Gtk+ 3 graphical user interface library (graphics, lgpl, library)2025-03-200.15.10HamishMackenzie
gtk3-helpers20.00A collection of auxiliary operations and widgets related to Gtk (bsd3, graphics, library)2020-06-050.1.0keera_studios_ci
gtk3-mac-integration50.02Bindings for the Gtk/OS X integration library. (graphics, lgpl, library)2017-07-160.3.4.0HamishMackenzie
gtkglext40.06Binding to the GTK+ OpenGL Extension (graphics, lgpl, library)2018-05-190.13.2.0AndyStewart, AxelSimon, DuncanCoutts, HamishMackenzie
gtkimageview20.02Binding to the GtkImageView library. (graphics, lgpl, library)2010-11-070.12.0AndyStewart
gtksourceview2200.07Binding to the GtkSourceView library. (graphics, lgpl, library)2016-10-290.13.3.1AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
gtksourceview3160.03Binding to the GtkSourceView library. (graphics, lgpl, library)2016-10-290.13.3.1HamishMackenzie
gtvm-hs20.00Various tools for reversing and using assets from Golden Time: Vivid Memories. (data, library, mit, program)2024-10-031.0.0raehik
guarded-allocation80.05Memory allocation with added stress tests and integrity checks (bsd3, debug, library)2019-01-220.0.1HenningThielemann
guarded-rewriting10.01Datatype-generic rewriting with preconditions (bsd3, generics, library)2010-03-030.1JosePedroMagalhaes
guardian20.00The border guardian for your package dependencies (bsd3, development, library, program)2024-02-220.5.0.0HiromiIshii
guess-combinator20.01Generate simple combinators given their type (bsd3, development, library)2012-05-160.1.1EtienneLaurin
guid31.251A simple wrapper around uuid (base, library, mit)2016-04-100.1.0tippenein
gutenberg-fibonaccis110.01The first 1001 Fibonacci numbers, retrieved from the Gutenberg Project. (algorithms, gpl, library, math, numeric, numerical)2012-09-091.1.0JustinHanekom
gvti20.00GraphViz Tabular Interface (graphics, library, mit, program)2023-05-120.4.1.0OleksandrZhabenko
gym-http-api21.50REST client to the gym-http-api project (learning-environments, library, mit, program, web)2018-06-120.1.0.1stites
h-booru20.01Haskell library for retrieving data from various booru image sites (gpl, library, program, web)2014-11-180.3.0.0MateuszKowalczyk
h-gpgme30.02High Level Binding for GnuPG Made Easy (gpgme) (cryptography, library, mit)2022-09-250.6.2.0rethab, daveparrish
h-raylib182.51Raylib bindings for Haskell (apache, graphics, library)2024-10-285.5.2.1Anut
h-reversi20.01Reversi game in haskell/blank-canvas (game, library, mit, program)2016-12-150.1.0.3apoorvingle
h204810.01An Implementation of Game 2048 (game, library, mit, program)2019-10-300.4.0.0javran
h2c10.01Bindings to Linux I2C with support for repeated-start transactions. (library, mit, system)2017-07-081.0.0eamsden
h3-hs10.00A Haskell binding for H3 (bsd3, geography, library)2024-07-040.2.0.1jvstinian
hArduino20.02Control your Arduino board from Haskell. (bsd3, hardware, library)2022-12-151.2LeventErkok
hBDD30.03An abstraction layer for BDD libraries (data, library)2015-05-240.0.3PeterGammie
hBDD-CMUBDD30.01An FFI binding to CMU/Long's BDD library (data, library)2015-05-240.0.3PeterGammie
hBDD-CUDD10.01An FFI binding to the CUDD library (data, library)2015-05-240.0.3PeterGammie
hCM40.00Conceptual modelling support for Haskell (data-structures, development, library, mit, model, program)2017-05-080.1.0.0MarekSuchanek
hCsound20.01interface to CSound API (library, music, sound)2012-12-190.4.2JohnLato
hDFA30.01A simple library for representing and minimising DFAs. (bsd3, data, library)2012-06-150.0.2PeterGammie
hF2 (deprecated in favor of eccrypto)30.02F(2^e) math for cryptography (bsd3, cryptography, deprecated, library)2013-03-090.2MarcelFourne
hGelf30.01Haskell GELF library (bsd3, library, network)2012-05-030.1AndyGeorges
hLLVM20.01A library for analyzing and transforming LLVM (3.5) assembly codes (bsd3, compilers-interpreters, library, program)2015-04-150.5.0.1NingWang
hMPC12.00Multiparty Computation in Haskell (bsd3, cryptography, library, program)2024-07-190.1.0.2nickvgils
hMollom20.01Library to interact with the @Mollom anti-spam service (bsd3, library, network)2012-04-260.4.0AndyGeorges
hOff-display20.00The tool to transform the OFF to other image format. (gpl, graphics, library, program)2017-12-150.1.0.0qinka
hOff-parser20.01The parser to parser the OFF(Object File Format, Princeton ModelNet). (gpl, library, text)2017-12-150.1.0.0qinka
hOpenPGP190.01native Haskell implementation of OpenPGP (RFC4880) (codec, data, library, mit)2025-03-142.10.1ClintAdams
hPDB72.01Protein Databank file format library (bioinformatics-, bsd3, library)2018-07-141.5.0.0MichalGajda
hPushover20.01Pushover.net API functions (bsd3, library, saas)2015-04-060.2WJWH
hR (deprecated)30.01R bindings and interface (bsd3, deprecated, foreign, library, math)2012-03-050.1.1DylanSimon
hRESP40.01haskell implementation of RESP (REdis Serialization Protocol). (bsd3, database, library)2014-09-300.1.0.0YiHuang
hS350.03Interface to Amazon's Simple Storage Service (S3) (bsd3, library, network, program, web)2014-09-280.5.9GergelyRisko, GregHeartsfield
hScraper22.251A Haskell library to scrape and crawl web-pages (bsd3, library, web)2015-11-090.1.0.0nishant
hSimpleDB20.01Interface to Amazon's SimpleDB service. (bsd3, database, library, network, web)2009-09-170.3DavidHimmelstrup
hTalos10.01Parser, print and manipulate structures in PDB file format. (bioinformatics-, bsd3, library)2013-11-230.2MichalGajda
hTensor30.02Multidimensional arrays and simple tensor computations. (bsd3, library, math)2016-11-020.9.1AlbertoRuiz, DominicSteinitz
hVOIDP20.01Optimal variable selection in chain graphical model. (ai, library, program)2011-08-261.0.2QiQi
haar32.01Haar wavelet transforms (bsd3, library, math)2014-09-220.1AmyDeBuitleir
habit10.00Haskell message bot framework (bsd3, library, program, web)2017-01-250.2.2.0akru
hable40.01customizable pretty printer library for tables (console, library, public-domain)2016-12-120.3.1MekeorMelire
hablo20.00A minimalist static blog generator (bsd3, library, program, web)2021-01-201.1.0.1tissevert
hablog50.00A blog system (library, mit, program, web)2021-01-270.8.0gilmi
hacanon-light50.01Template Haskell framework for automatic FFI code generation. (bsd3, ffi-tools, library)2008-10-282008.10.28DavidHimmelstrup
hack (deprecated in favor of hack2)80.028a Haskell Webserver Interface (bsd3, deprecated, library, web)2012-02-062012.2.6AlbertoCorona, JinjingWang
hack-contrib (deprecated)210.012Hack contrib (bsd3, deprecated, library, web)2010-09-292010.9.28JinjingWang
hack-contrib-press50.01Hack helper that renders Press templates (library, text, web)2009-08-070.1.2BrandonBickford
hack-frontend-happstack (deprecated)50.01hack-frontend-happstack (bsd3, deprecated, library, web)2009-06-242009.6.24.1JinjingWang
hack-frontend-monadcgi (deprecated in favor of wai-frontend-monadcgi)70.02Allows programs written against MonadCGI to run with any hack handler. (deprecated) (bsd3, deprecated, library, web)2012-01-190.0.3.1MichaelSnoyman
hack-handler-cgi (deprecated in favor of wai-extra)80.02Hack handler using CGI protocol. (deprecated) (bsd3, deprecated, library, web)2012-01-190.2.0.2MichaelSnoyman
hack-handler-epoll70.01hack handler implementation using epoll (library, web)2010-02-200.1.3ToralfWittner
hack-handler-evhttp50.02Hack EvHTTP (libevent) Handler (library, web)2009-08-042009.8.4BrandonBickford
hack-handler-fastcgi (deprecated in favor of wai-handler-fastcgi)90.01Hack handler direct to fastcgi (deprecated) (bsd3, deprecated, library, web)2012-01-190.2.0.1MichaelSnoyman
hack-handler-happstack (deprecated)100.02Hack Happstack server handler (bsd3, deprecated, library, web)2009-12-202009.12.20JinjingWang
hack-handler-hyena (deprecated)90.01Hyena hack handler (bsd3, deprecated, library, web)2010-03-152010.3.15JinjingWang
hack-handler-kibro (deprecated)60.01Hack Kibro handler (deprecated, library, web)2009-05-262009.5.27JinjingWang
hack-handler-simpleserver (deprecated in favor of warp)90.03A simplistic HTTP server handler for Hack. (deprecated) (bsd3, deprecated, library, web)2012-02-060.2.2AlbertoCorona, MichaelSnoyman, UweSchmidt
hack-middleware-cleanpath (deprecated)40.01Applies some basic redirect rules to get cleaner paths. (deprecated) (bsd3, deprecated, library, web)2012-01-190.0.1.1MichaelSnoyman
hack-middleware-clientsession (deprecated)90.01Middleware for easily keeping session data in client cookies. (deprecated) (bsd3, deprecated, library, web)2012-01-190.0.1.1MichaelSnoyman
hack-middleware-gzip (deprecated in favor of wai-extra)40.01Automatic gzip compression of responses. (deprecated) (bsd3, deprecated, library, web)2012-01-190.0.0.1MichaelSnoyman
hack-middleware-jsonp (deprecated in favor of wai-extra)60.01Automatic wrapping of JSON responses to convert into JSONP. (deprecated) (bsd3, deprecated, library, web)2012-01-190.0.2.1MichaelSnoyman
hack260.012a Haskell Webserver Interface (V2) (bsd3, library, web)2014-11-172014.11.17JinjingWang
hack2-contrib90.04Hack2 contrib (bsd3, library, web)2015-05-032015.5.4JinjingWang
hack2-contrib-extra50.01Hack2 contrib extra (bsd3, library, web)2014-12-202014.12.20JinjingWang
hack2-handler-happstack-server40.01Hack2 Happstack server handler (bsd3, library, web)2011-06-202011.6.20JinjingWang
hack2-handler-mongrel2-http110.01Hack2 Mongrel2 HTTP handler (bsd3, library, web)2011-10-312011.10.31JinjingWang
hack2-handler-snap-server150.04Hack2 Snap server handler (bsd3, library, web)2015-03-092015.3.9JinjingWang
hack2-handler-warp60.01Hack2 warp handler (bsd3, library, web)2012-05-252012.5.25JinjingWang
hack2-interface-wai60.02Hack2 interface to WAI (bsd3, library, web)2017-01-042017.1.4JinjingWang
hackage-api20.00An API binding to Hackage API (bsd3, distribution, library)2021-01-020.1.0Poscat
hackage-cli60.00CLI tool for Hackage (development, gpl, library, program)2024-07-020.1.0.2AndreasAbel, HerbertValerioRiedel
hackage-db190.08Access cabal-install's Hackage database via Data.Map (bsd3, distribution, library)2023-04-112.1.3PeterSimons, sternenseemann, jophish, cdepillabout, maralorn, expipiplus1
hackage-mirror22.01Simple mirroring utility for Hackage (distribution, library, mit, program)2015-11-290.1.1.1MichaelSnoyman, dysinger
hackage-revdeps30.00List Hackage reverse dependencies (bsd3, development, library, program)2024-12-080.1Bodigrim
hackage-security1060.06Hackage security library (bsd3, distribution, library)2024-04-030.6.2.6AndreasAbel, DuncanCoutts, EdskoDeVries, HerbertValerioRiedel, MikolajKonarski
hackage-security-HTTP200.01Hackage security bindings against the HTTP library (bsd3, distribution, library)2024-04-160.1.1.2AndreasAbel, DuncanCoutts, EdskoDeVries, HerbertValerioRiedel, MikolajKonarski
hackernews80.01API for Hacker News (library, mit, program, web)2017-12-271.4.0.0DavidJohnson
hackmanager10.00Generate useful files for Haskell projects (bsd3, development, library, program)2015-08-230.1.0.0AlexanderThiemann
hackport190.01Hackage and Portage integration tool (distribution, gpl, library, program)2024-12-020.9.0.0LennartKolmodin, solpeth, hololeap
hactor20.01Lightweight Erlang-style actors for Haskell. (concurrency, library, mit)2014-09-211.2.0.0Forkk
hactors10.01Practical actors for Haskell. (concurrency, library, mit)2012-01-290.0.3.1HekaTreep
haddock-api250.06A documentation-generation tool for Haskell libraries (bsd2, documentation, library)2023-09-222.29.1BenGamari, HerbertValerioRiedel, MateuszKowalczyk, alexbiehl, Helkafen, harpocrates, wz1000, hecate
haddock-cheatsheet30.00A documentation-only package exemplifying haddock markup features (documentation, library, mit)2019-05-070.1.0.1dailectic
haddock-library882.011Library exposing some functionality of Haddock. (bsd2, documentation, library)2022-08-181.11.0BenGamari, HerbertValerioRiedel, MateuszKowalczyk, SimonHengel, alexbiehl, Helkafen, harpocrates, wz1000, hecate
haddock-test (deprecated)20.01Test utilities for Haddock (bsd3, deprecated, documentation, library)2016-06-060.0.1Helkafen
haddock-use-refs40.00Eliminate warnings for names referred in Haddock only (bsd3, development, library)2025-03-121.0.1DaniilIaitskov
hadolint160.00Dockerfile Linter JavaScript API (development, gpl, library, program)2022-11-092.12.0lorenzo
hadoop-formats20.01Read/write file formats commonly used by Hadoop. (apache, data, library)2014-10-160.2.1.1JacobStanley
hadoop-rpc50.02Use the Hadoop RPC interface from Haskell. (apache, data, library)2016-02-251.1.0.0ConradParker, JacobStanley
hadoop-streaming60.00A simple Hadoop streaming library (bsd3, cloud, distributed-computing, library, mapreduce)2020-05-180.2.0.3zliu41
hafar10.00Affine arithmetic library for Haskell (bsd3, library, numeric)2020-04-140.1.1.0j_jaager
haggis10.01A static site generator with blogging/comments support (library, mit, program, web)2015-12-060.1.3.0TychoAndersen
haggle30.00A graph library offering mutable, immutable, and inductive graphs (bsd3, data-structures, graphs, library)2023-08-210.3TristanRavitch
haha110.02A simple library for creating animated ascii art on ANSI terminals. (bsd3, graphics, library, program)2012-06-050.3.1.1ErikHesselink, SebastiaanVisser
hahp30.00Analytic Hierarchy Process (agpl, library, math, program)2016-02-220.1.3taeradan, jpierre03
haiji60.01A typed template engine, subset of jinja2 (bsd3, library, text)2022-09-210.3.4.0NoriyukiOhkawa
hailgun70.02Mailgun REST api interface for Haskell. (library, mit, network)2020-02-270.5.1RobertMassaioli, codedmart, k_bx, MaxGabriel, cdepillabout, parsonsmatt
hailgun-simple20.01Easy-to-use wrapper for the hailgun package (bsd3, library, mail)2016-11-120.1.0.0cdepillabout
hails20.01Multi-app web platform framework (library, mit, program, web)2015-04-210.11.2.1AmitLevy, DavidMazieres, DeianStefan
hairy (deprecated)30.01A JSON REST API (deprecated, library, mit, program, web)2014-10-160.1.3taylorfausak, fozworth
hakaru20.02A probabilistic programming language (bsd3, language, library, program)2020-11-020.7.0pravnar, z
hake100.01make tool. ruby : rake = haskell : hake (development, library, program)2013-12-231.3.8.1YoshikuniJujo
hakismet20.01Akismet spam protection library (library, mit, web)2010-10-050.1NilsSchweinsberg
hakka10.00Minimal akka-inspired actor library (concurrency, library, mit, program)2017-06-130.2.0martinrign
hako10.01A mako-like quasi-quoter template library (bsd3, library, text)2012-11-281.0.0TobiasDammers
hakyll732.7530A static website compiler library (bsd3, library, program, web)2025-02-184.16.6.0JasperVanDerJeugt, AlexanderBatischev, LaurentRDC
hakyll-R (deprecated in favor of R-pandoc)20.01A package allowing to write Hakyll blog posts in Rmd (bsd3, deprecated, library, web)2015-07-120.1.0.3CorentinDupont
hakyll-agda50.01Wrapper to integrate literate Agda files with Hakyll (bsd3, library, web)2021-04-120.1.13FrancescoMazzoli
hakyll-alectryon50.00Hakyll extension for rendering Coq code using Alectryon (library, mit, text, web)2022-09-130.1.2.0lyxia
hakyll-blaze-templates (deprecated)40.01Blaze templates for Hakyll (bsd3, deprecated, library, web)2013-05-080.1.1.0SimonasKazlauskas
hakyll-contrib20.01Extra modules for the hakyll website compiler (bsd3, library, program, web)2012-07-080.1.0.1JasperVanDerJeugt
hakyll-contrib-csv10.01Generate Html tables from Csv files (bsd3, library, web)2016-05-190.1.0.2narrative
hakyll-contrib-elm20.00Compile Elm code for inclusion in Hakyll static site. (bsd3, library, program, web)2016-05-190.1.0.1narrative
hakyll-contrib-hyphenation60.01automatic hyphenation for Hakyll (library, mit, web)2014-12-030.1.0.3firegurafiku
hakyll-contrib-i18n50.00A Hakyll library for internationalization. (hakyll, i18n, library, program, web)2020-11-250.1.1.0pcoves
hakyll-contrib-links20.01A hakyll library that helps maintain a separate links database. (bsd3, hakyll, library, web)2012-10-120.2.0.0PiyushKurur
hakyll-convert70.01Convert from other blog engines to Hakyll. (bsd3, library, program, tools)2024-06-010.3.0.5EricKow, AlexanderBatischev
hakyll-dhall40.00Dhall compiler for Hakyll (bsd3, library, program, web)2023-12-270.2.5.0jle
hakyll-dir-list20.01Allow Hakyll to create hierarchical menues from directories. (bsd3, library, web)2018-09-081.0.0.4RobertHennig
hakyll-elm10.01Hakyll wrapper for the Elm compiler. (bsd3, library, web)2014-01-220.2.1maxiepoo
hakyll-favicon30.00 (bsd3, library, program, web)2017-04-230.1.0elaye
hakyll-filestore170.01FileStore utilities for Hakyll (library, public-domain, web)2023-07-020.1.11aergus
hakyll-images212.00Hakyll utilities to work with images (bsd3, library, web)2025-02-111.3.0LaurentRDC
hakyll-ogmarkup (deprecated)20.01Integrate ogmarkup document with Hakyll (deprecated, library, mit, web)2017-12-254.0lethom
hakyll-process30.01Hakyll compiler for arbitrary external processes. (bsd3, library, web)2021-09-240.0.3.0jhmcstanton
hakyll-sass50.01Hakyll SASS compiler over hsass (library, mit, web)2018-12-130.2.4meoblast001
hakyll-series20.01Adds series functionality to hakyll (library, mit, web)2016-11-020.1.0.1oisdk
hakyll-shakespeare30.01Hakyll Hamlet compiler (library, mit, web)2016-09-030.1.0.0.2Eliza0x
hakyll-shortcode20.01A shortcode extension module for Hakyll (gpl, library, web)2017-10-110.0.2nbloomf
hakyll-shortcut-links70.00Use shortcut-links in markdown file for Hakyll (hakyll, library, markdown, mpl, web)2021-12-070.1.0.2vrom911
hakyll-typescript40.00Typescript and javascript hakyll compilers. (bsd3, library, web)2020-11-020.0.2.0jhmcstanton
hakyllbars20.00A Hakyll compiler for Handlebars-like templates (bsd3, library, program, web)2023-11-161.0.1.0keywordsalad
hal280.01A runtime environment for Haskell applications running on AWS Lambda. (aws, bsd3, library, web)2023-12-191.1nikeoss
halberd30.01A tool to generate missing import statements for Haskell modules. (bsd3, development, library, program)2014-09-170.1.2.9ErikHesselink
half862.017Half-precision floating-point (bsd3, library, numeric)2024-12-040.3.2EdwardKmett, phadej, ryanglscott
half-space20.01Additive monoids generalising vector spaces (gpl, library, math)2023-05-210.1.1.0leftaroundabout
halfs20.01The HAskelL File System ("halfs" -- intended for use on the HaLVM) (bsd3, library, program, system)2012-10-102.0GwernBranwen, JoelStanley
halfsplit20.02A library to provide special kind of two-column output for Phladiprelio. (PhLADiPreLiO, data, language, library, mit)2024-04-080.4.3.0OleksandrZhabenko
halide-JuicyPixels20.00Integration between Halide and JuicyPixels (bsd3, language, library)2023-05-220.0.2.1tom_westerhout
halide-arrayfire30.00Integration between Halide and ArrayFire (bsd3, language, library)2023-05-220.0.2.0tom_westerhout
halide-haskell10.02Haskell bindings to Halide (bsd3, language, library, program)2023-05-220.0.2.0tom_westerhout
halipeto (deprecated)20.01Haskell Static Web Page Generator (deprecated, library, text)2013-04-052.4.1PeterSimons
halive50.00A live recompiler (bsd2, development, library, program)2021-03-260.1.8lukexi
hall-symbols51.51Symmetry operations generater of Hall Symbols (bsd3, chemistry, library)2020-07-210.1.0.6narumij
halma20.01Library implementing Halma rules (game, library, mit)2021-05-090.3.0.2TimBaumann
halves20.01Split or combine data structures to and from halves, quarters, eighths (bsd3, data, library)2018-10-150.1.0.1puffnfresh
ham20.00 (library, program, unclassified)2020-10-020.1.0.0ChristianGosch
hamid40.02Binding to the OS level Midi services (fork of system-midi). (bsd3, library, sound, system)2013-05-300.10HansHoglund
hamilton60.00Physics on generalized coordinate systems using Hamiltonian Mechanics and AD (bsd3, library, physics, program)2018-03-210.1.0.3jle
hamlet (deprecated in favor of shakespeare)340.037Haml-like template files that are compile-time checked (deprecated) (deprecated, library, mit, web, yesod)2014-03-301.2.0FelipeLessa, GregWeber, MichaelSnoyman
hamsql12.00Interpreter for SQL-structure definitions in YAML (YamSql) (database, gpl, library, program)2016-10-270.9.0.0quabla
hamtmap20.01A purely functional and persistent hash map (bsd3, data-structures, library)2011-01-200.3KevinWuWon
hamusic30.01Library to handle abstract music (bsd3, library, music, program)2009-08-040.1.2.1SamuelSilva
han2zen30.00Convert Halfwidth Katakana to Fullwidth Katakana. (bsd3, library, text)2018-12-230.1WataruYamada
hanabi-dealer30.00Hanabi card game (bsd3, game, library)2022-10-200.15.1.1SusumuKatayama
handa-data30.01This package is deprecated. It formerly contained Haskell utilities for data structures and data manipulation. (data, library, mit)2016-08-010.2.9.9BrianBush
handa-gdata40.04Library and command-line utility for accessing Google services and APIs. (library, mit, network, program)2015-04-260.7.0.3BrianBush, RyanNewton
handa-geodata50.01Geographic and Geometric Data (data, geography, geometry, library, mit, program)2014-04-270.2.0.1BrianBush
handa-opengl50.01Utility functions for OpenGL and GLUT (graphics, library, mit)2016-04-160.1.13.1BrianBush
handle-like40.05HandleLike class (bsd3, common-parts, library)2015-09-090.1.0.3YoshikuniJujo
handsy30.01A DSL to describe common shell operations and interpeters for running them locally and remotely. (bsd3, library, system)2017-04-090.0.14.1utdemir
handwriting60.00API Client for the handwriting.io API. (bsd3, library, network, program)2016-03-110.1.0.3IsmailMustafa
hans30.06Network Stack (bsd3, library, networking)2017-05-153.0.2TrevorElliott
hans-pcap10.01Driver for real ethernet devices for HaNS (bsd3, library, networking)2015-01-100.1.0.2tolysz
hans-pfq10.01Driver for real ethernet devices for HaNS (bsd3, library, networking)2015-01-130.1.0.0tolysz
hanspell42.00Korean spell checker (korean, language, library, mit, program, spellchecker)2021-09-190.2.6.19beach
haphviz30.01Graphviz code generation with Haskell (library, mit, text)2016-12-020.2.0.1Norfair
hapistrano72.251A deployment library for Haskell applications (library, mit, program, system)2023-02-160.4.8.0jsl, stackbuilders, sestrella, camm
happindicator20.01Binding to the appindicator library. (graphics, lgpl, library)2012-01-250.0.4AndrewMiller
happindicator330.01Binding to the appindicator library. (gui, lgpl, library)2014-11-200.2.1mlacorte
happlets20.01"Haskell Applets" provides an event handler and a canvas for building simple GUI apps. (game, gui, library)2018-05-250.1.0.0RaminHonary
happlets-lib-gtk20.01The "Haskell Applets" Gtk+ ver. 2 back-end for "happlets". (game, gui, library)2018-05-260.1.0.0RaminHonary
happs-hsp20.01 (bsd3, library, unclassified)2008-04-110.1DavidHimmelstrup
happs-hsp-template20.01Utilities for using HSP templates in HAppS applications. (bsd3, library, web)2008-05-200.2DavidHimmelstrup
happstack (deprecated in favor of happstack-server)420.04The haskell application server stack + code generation (bsd3, deprecated, distributed-computing, library, web)2014-06-267.0.2JeremyShaw, MatthewElder
happstack-auth20.01A Happstack Authentication Suite (bsd3, library, web)2010-10-040.2.1.1NilsSchweinsberg
happstack-authenticate500.010Happstack Authentication Library (bsd3, library, web)2022-04-262.6.1JeremyShaw
happstack-clientsession160.01client-side session data (bsd3, happstack, library, web)2021-04-097.3.3JeremyShaw
happstack-contrib20.01Web related tools and services. (bsd3, distributed-computing, library, web)2009-03-040.2.1MatthewElder
happstack-data (deprecated in favor of safecopy)200.011Happstack data manipulation libraries (bsd3, deprecated, distributed-computing, library, web)2012-02-086.0.1JeremyShaw, MatthewElder
happstack-dlg20.01Cross-request user interactions for Happstack (bsd3, library, web)2010-02-030.1.2ChrisSmith
happstack-facebook (deprecated in favor of fb)100.01A package for building Facebook applications using Happstack (bsd3, deprecated, language, library, web)2011-02-060.30JeremyShaw
happstack-fastcgi70.03Happstack extension for use with FastCGI. (bsd3, library, web)2014-03-070.1.5ChrisEidhof, EelcoLempsink, tomberek
happstack-fay20.01Support for using Fay with Happstack (bsd3, happstack, library)2013-03-050.2.0JeremyShaw
happstack-fay-ajax20.02Support for using Fay with Happstack (bsd3, happstack, library)2013-03-050.2.0JeremyShaw
happstack-foundation200.01Glue code for using Happstack with acid-state, web-routes, reform, and HSP (bsd3, happstack, library)2022-04-220.5.9.3JeremyShaw
happstack-hamlet190.01Support for Hamlet HTML templates in Happstack (bsd3, happstack, library, web)2014-04-017.0.4JeremyShaw
happstack-heist40.01Support for using Heist templates in Happstack (bsd3, happstack, library, web)2014-10-147.2.4JeremyShaw
happstack-helpers220.01Convenience functions for Happstack. (bsd3, distributed-computing, library)2011-05-020.56CreightonHogg, RussellOConnor, ThomasHartman
happstack-hsp110.011Support for using HSP templates in Happstack (bsd3, happstack, library, web)2023-01-237.3.7.7JeremyShaw
happstack-hstringtemplate170.01Support for using HStringTemplate in Happstack (bsd3, happstack, library, web)2014-06-267.0.4JeremyShaw
happstack-ixset (deprecated in favor of ixset)70.07Efficient relational queries on Haskell sets. (bsd3, deprecated, distributed-computing, library, web)2011-04-256.0.1JeremyShaw, MatthewElder
happstack-jmacro312.04Support for using JMacro with Happstack (bsd3, happstack, library, web)2024-01-107.0.12.6JeremyShaw
happstack-lite160.01Happstack minus the useless stuff (bsd3, happstack, library, web)2022-04-227.3.8JeremyShaw
happstack-monad-peel30.01monad-peel instances for Happstack types (bsd3, happstack, library, web)2013-02-220.1NilsSchweinsberg
happstack-plugins170.01The haskell application server stack + reload (bsd3, happstack, library, web)2012-11-297.0.2JeremyShaw
happstack-server-tls320.03extend happstack-server with https:// support (TLS/SSL) (bsd3, happstack, library, web)2024-08-057.2.1.6JeremyShaw
happstack-server-tls-cryptonite30.01Extend happstack-server with native HTTPS support (TLS/SSL) (bsd3, happstack, library, web)2015-08-070.1.1blaze
happstack-state (deprecated in favor of acid-state)150.09Event-based distributed state. (bsd3, deprecated, distributed-computing, library, web)2012-02-166.1.4JeremyShaw, MatthewElder
happstack-static-routing110.01Support for static URL routing with overlap detection for Happstack. (bsd3, distributed-computing, library, web)2024-09-160.7.0.1GracjanPolak, MikhailGlushenkov, arybczak, jonathanjouty_scrive, trin_cz
happstack-util (deprecated)230.09Web framework (bsd3, deprecated, distributed-computing, library, web)2012-02-016.0.3JeremyShaw, MatthewElder
happstack-yui (deprecated)40.01Utilities for using YUI3 with Happstack. (bsd3, deprecated, happstack, library, web)2012-10-207373.5.3DagOdenhall
happy-arbitrary20.00Token list generator for arbitrary Happy grammars. (data, gpl, library)2024-01-150.0.1iphydf
happy-dot30.01Parser for dot made with happy. (gpl, language, library)2019-12-211.0.0.0mgmillani
happy-hour20.00Generate simple okay-looking bar plots without much effort (graphics, library, mit)2022-12-290.0.0.4chris_martin, Monoid_Mary
happy-lib1450.00Happy is a parser generator for Haskell implemented using this library (bsd2, development, library)2025-02-092.1.5AndreasAbel, IavorDiatchki, JohnEricson, SimonMarlow, int_index, sgraf812
happy-meta70.02Quasi-quoter for Happy parsers (bsd3, development, library)2023-02-240.2.1.0JonasDuregard, ArtemPelenitsyn
happybara30.02Acceptance test framework for web applications (development, library, mit)2014-04-140.0.1cstrahan
happybara-webkit20.01WebKit Happybara driver (development, library, mit)2014-04-140.0.1cstrahan
happybara-webkit-server20.01WebKit Server binary for Happybara (taken from capybara-webkit) (development, library, mit)2014-04-140.0.1cstrahan
hapstone32.01Capstone bindings for Haskell (bsd3, disassembler, library)2016-06-130.2.0.1ibabushkin
haquery20.01jQuery for Haskell. (bsd3, html, library)2016-10-150.1.1.3crufter
haquil10.01A Haskell implementation of the Quil instruction set for quantum computing. (language, library, mit)2018-03-050.2.1.14BrianBush
har50.01HAR spec in Haskell (bsd3, data, library)2017-04-270.4.0HaishengWu
hardware-edsl20.02Deep embedding of hardware descriptions with code generation. (bsd3, language, library)2021-06-150.1.6mararon
harfbuzz-pure20.02Pure-functional Harfbuzz language bindings (library, mit, program, text)2023-09-251.0.4.0alcinnz
harg32.00Haskell program configuration using higher kinded data (bsd3, cli, hkd, library, options, parsing, system)2021-03-040.5.0.0alexpeits
harmony32.00A web service specification compiler that generates implementation and tests. (development, gpl, library, program)2015-08-190.1.1.0SantiMunin
haroonga20.01Low level bindings for Groonga. (ffi, lgpl, library)2015-04-030.1.7.1cosmo0920
harp70.06HaRP allows pattern-matching with regular expressions (bsd3, language, library)2023-01-230.4.3.6DavidFox, GwernBranwen, JeremyShaw, NiklasBroberg
harpie90.03Haskell array programming. (bsd3, library, math)2025-01-100.1.2.0tonyday567
harpie-numhask70.01numhask shim for harpie. (bsd3, library, math)2024-10-140.1.0.1tonyday567
harpy30.01Runtime code generation for x86 machine code (bsd3, code-generation, library)2015-05-260.6.0.2DirkKleeblatt, MartinGrabmueller
harvest-api (deprecated)20.01Bindings for Harvest API (deprecated, library, mit, web)2016-05-200.1.0jsl, stackbuilders, mrkkrp
has20.02Entity based records (bsd3, data, library)2019-03-310.6.0.1YusakuHashimoto
has-th20.01Template Haskell function for Has records. (bsd3, data, library)2010-11-220.1ChrisDone
has-transformers92.00This library 'Has' transformers (effect, library, mit)2022-01-260.1.0.4turion
hasbolt71.252Haskell driver for Neo4j 3+ (BOLT protocol) (bsd3, database, library)2023-12-100.1.7.0zmactep, maksbotan
hasbolt-extras40.01Extras for hasbolt library (bsd3, database, library, program)2023-09-280.0.3.1ozzzzz, maksbotan
hascal30.01tiny calculator library and command-line program (console, library, math, parsing, program, tools, utility, utils)2017-02-273.0.1DagOdenhall, MekeorMelire
hascalam10.00Haskell to and from Scalameta (language, library, mit)2024-07-070.1.1.2sjbiaga
hascar50.00Decompress SAPCAR archives (codec, gpl, library, program)2018-02-010.2.2.1hc
hascard90.00A TUI for reviewing notes using 'flashcards' written with markdown-like syntax. (application, bsd3, library, program)2024-10-270.6.0.2Yvee1
hascas20.01Cassandra driver for haskell (database, library)2017-01-111.2.0eklavya
hascat-lib10.03Hascat Package (library, network)2011-06-280.2FlorianMicheler
hascat-setup20.01Hascat Installation helper (library, network, program)2011-06-280.2FlorianMicheler
hascat-system20.02Hascat System Package (library, network)2011-06-280.2FlorianMicheler
hash32.02Hashing tools (bsd3, data, hash, library)2013-03-270.2.0.1EdwardKmett, EricMertens, ryanglscott
hash-addressed20.02Hash-addressed file storage (apache, filesystem, hash, library)2023-02-090.2.0.1chris_martin, Monoid_Mary
hash-addressed-cli20.00Hash-addressed file storage app (apache, filesystem, hash, library, program)2023-02-082.1.0.1chris_martin, Monoid_Mary
hash-cons20.00Opportunistic hash-consing data structure (bsd3, data-structures, library)2024-10-080.2.0.0RyanTrinkle
hash-store42.251Hash as cache (file, hash, library, mpl)2018-07-150.1.0vrom911
hash-string20.00binary strings supporting constant-time base16 and comparisons (apache, cryptography, library)2025-01-200.1.0.0LeonSmith
hash-tree30.01Merkle Hash Tree (bsd3, data, library)2017-10-180.0.0KazuYamamoto
hashable3591.51084A class for types that can be converted to a hash value (bsd3, data, library)2024-07-041.5.0.0BryanOSullivan, HerbertValerioRiedel, JohanTibell, MilanStraka, phadej
hashable-accelerate40.01A class for types which can be converted into a hash value (accelerate, bsd3, data, library)2020-08-280.1.0.0TrevorMcDonell
hashable-extras (deprecated in favor of hashable)190.05Higher-rank Hashable (bsd3, data, deprecated, hash, library)2016-01-170.2.3EdwardKmett
hashable-generics110.01Automatically generates Hashable instances with GHC.Generics. (bsd3, data, library)2016-05-251.1.10ClarkGaebel
hashable-orphans10.02Provides instances missing from Hashable. (bsd3, data, library)2022-09-090.1davean
hashable-time (deprecated in favor of time-compat)120.06Hashable instances for Data.Time (bsd3, data, deprecated, library)2021-05-200.3phadej, alkar, davew
hashabler42.02Principled, portable & extensible hashing of data and types, including an implementation of the FNV-1a and SipHash algorithms. (bsd3, data, library)2016-11-202.0.0BrandonSimmons
hashed-storage400.03Hashed file storage support code. (bsd3, library, system)2014-04-070.5.11EricKow, PetrRockai
hasherize10.00Hash digests for files and directories (apache, filesystem, hash, library, program)2023-07-050.0.0.0chris_martin
hashes90.01Hash functions (data, library, mit)2024-08-200.3.0.1larsk
hashflare10.01A library for working with HashFlare.io contracts and hashrates (bsd2, data, library)2017-01-200.1.0.0nbrk
hashids130.01Hashids generates short, unique, non-sequential ids from numbers. (library, mit, web)2023-12-301.1.1.0arbelos
hashing80.01A pure haskell library implements several hash algorithms. (cryptography, library, mit, program)2022-12-040.1.1.0wangbj
hashmap (deprecated in favor of unordered-containers)102.012Persistent containers Map and Set based on hashing. (bsd3, data, deprecated, library)2018-01-031.3.3MilanStraka, ryanglscott
hashmap-io40.02A Hashmap on io monad. (bsd3, data, library)2021-04-090.1.0.0Lupino
hashmap-throw30.00Throw behaviour for hashmap lookup. (data-structures, library, mit)2020-08-280.1.0.0locallycompact
hashring20.01Efficient consistent hashing. (bsd3, data, library)2012-02-080.0.0MichaelCraig
hashtables1122.585Mutable hash tables in the ST monad (bsd3, data, library)2025-01-231.4.2ErikDeCastroLopo, GregoryCollins, mgmeier
hashtables-plus (deprecated)30.01Extensions for a "hashtables" library (data, data-structures, deprecated, library, mit)2014-04-290.2.0NikitaVolkov
hasim20.01Process-Based Discrete Event Simulation library (bsd3, control, library)2008-12-290.1.2JochemBerndsen
hask20.01Categories (bsd3, control, library)2014-11-100EdwardKmett
haskakafka80.01Kafka bindings for Haskell (library, mit, network, program)2016-12-041.2.0tdimson
haskbot-core20.01Easily-extensible chatbot for Slack messaging service (library, mit, network)2014-08-040.1jonplussed
haskeline1202.084A command-line interface for user input, written in Haskell. (bsd3, library, user-interfaces)2025-02-080.8.3.0BenGamari, JudahJacobson, LennartAugustsson, TroelsHenriksen
haskeline-class30.02Class interface for working with Haskeline (bsd3, library, user-interfaces)2011-08-130.6.2AntoineLatter
haskeline-repl20.01 (bsd3, library, web)2017-05-120.4.0.0reinvdwoerd
haskelisp10.01Write Emacs module in Haskell, using Emacs 25's Dynamic Module feature (editor, emacs, gpl, library)2016-11-280.1.1.0shintak
haskell-abci20.00Haskell Application BlockChain Interface (ABCI) Server Library (bsd3, library, program, web)2017-08-100.1.0.0cwgoes
haskell-admin10.00Remote Management Platform for Haskell Applications (library, mit, remote-management)2022-06-081.0.0.0martinbednar
haskell-admin-core20.03Core Modules of Haskell Admin (library, mit, remote-management, web)2022-06-081.0.0.0martinbednar
haskell-admin-health20.01Application Health Component for Haskell Admin (haskell-admin, library, mit, remote-management)2022-06-081.0.0.0martinbednar
haskell-admin-managed-functions10.01Managed Functions integration for Haskell Admin (haskell-admin, library, managed-functions, mit, remote-management)2022-06-081.0.0.0martinbednar
haskell-aliyun20.01haskell client of aliyun service. (bsd3, library, network)2012-10-070.1.0.0YiHuang
haskell-awk50.01Transform text from the command-line using Haskell expressions. (apache, console, library, program)2021-05-081.2.0.1JensPetersen, MarioPastorelli, gelisam
haskell-bcrypt50.01A bcrypt implementation for haskell (library, mit, system)2016-02-050.3.2BrettCarter
haskell-bitmex-client50.00Complete BitMEX Client (bsd3, library, program, web)2018-10-120.1.0.1Lucsanszky
haskell-bitmex-rest10.01Auto-generated bitmex API Client (bsd3, library, web)2018-10-120.1.0.0Lucsanszky
haskell-brainfuck30.01BrainFuck interpreter (language, library, mit, program)2014-08-080.1.0.1paraseba
haskell-ci92.00Cabal package script generator for Travis-CI (development, gpl, library, program)2024-02-250.18.1HerbertValerioRiedel, phadej
haskell-cnc30.01Library for parallel programming in the Intel Concurrent Collections paradigm. (bsd3, control, library, parallelism, program)2011-08-120.1.3.200RyanNewton
haskell-coffee20.02Simple CoffeeScript API (gpl, language, library)2015-07-190.1.0.2KevinVanRooijen
haskell-compression40.01compress files (gpl, library, program, system)2017-10-260.3AlanHawkins
haskell-conll20.01Core Types for NLP (library, mit, text)2019-07-160.1.0.2MichalGajda, sigrlami
haskell-course-preludes60.01Small modules for a Haskell course in which Haskell is taught by implementing Prelude functionality. (library, mit, unclassified)2014-07-010.0.0.4gibiansky
haskell-dap330.03Haskell implementation of the DAP interface data. (bsd3, development, library)2022-11-270.0.16.0phoityne_hs
haskell-disque10.01Client library for the Disque datastore (bsd3, database, library)2017-07-080.0.1.1ArekCzarnik
haskell-docs60.01A program to find and display the docs and type of a name (bsd3, development, library, program)2019-05-154.2.9AnthonyCowley, ChrisDone, IvanMiljenovic
haskell-docs-cli30.00Search Hoogle and navigate Hackage from the command line. (bsd3, development, haskell, library, program)2022-11-201.0.0.0lazamar
haskell-eigen-util30.01Some utility functions for haskell-eigen library (algebra, bsd3, library, math)2016-08-180.1.0.4dilawars
haskell-exp-parser80.02Simple parser parser from Haskell to TemplateHaskell expressions (bsd3, language, library)2020-10-170.1.4EmilAxelsson
haskell-fake-user-agent30.01Simple library for retrieving current user agent strings (library, public-domain, web)2016-06-150.0.2grzegorzgolda
haskell-ffprobe20.00Haskell bindings for ffprobe (bindings, bsd3, library)2024-08-100.1.0.1ArthiChaud
haskell-formatter (deprecated in favor of hindent)80.01Haskell source code formatter (deprecated, development, library, mit, program)2020-11-072.0.3evolutics
haskell-ftp20.01A Haskell ftp server with configurable backend. (bsd3, library, network, program)2012-10-070.1.0.1YiHuang
haskell-generate50.02Typesafe generation of haskell source code (bsd3, code-generation, language, library)2016-01-020.2.4BennoFuenfstueck
haskell-gettext102.03GetText runtime library implementation in pure Haskell (bsd3, library, program, text)2019-01-140.1.2.0IlyaPortnov
haskell-gi1100.062Generate Haskell bindings for GObject Introspection capable libraries (development, lgpl, library)2025-01-010.26.14inaki
haskell-gi-base920.081Foundation for libraries generated by haskell-gi (development, lgpl, library)2024-09-180.26.8inaki
haskell-gi-overloading210.063Overloading support for haskell-gi (bindings, bsd3, library)2017-07-301.0inaki
haskell-google-trends60.01Simple library for accessing Google Trends (library, public-domain, web)2016-06-170.0.2grzegorzgolda
haskell-holes-th12.01Infer haskell code by given type. (language, library, mit)2019-08-242.0.0.0klntsky
haskell-igraph130.01Bindings to the igraph C library (v0.8.0). (library, math, mit)2020-02-210.8.0kaizhang
haskell-import-graph110.00create haskell import graph for graphviz (development, library, mit, program)2018-04-281.0.4ncaq
haskell-kubernetes40.01Haskell bindings to the Kubernetes API (via swagger-codegen) (library, mit, web)2016-12-110.5.0aaronlevin
haskell-language-server642.50LSP server for GHC (apache, development, library, program)2025-02-162.9.0.1AlanZimmerman, NeilMitchell, PepeIborra, mpickering, cocreature, Ailrun, luke_, berberman, jneira, hls_team
haskell-lexer1640.08A fully compliant Haskell 98 lexer (language, library, mit)2025-02-201.2.1IavorDiatchki
haskell-lsp (deprecated in favor of lsp)132.2513Haskell library for the Microsoft Language Server Protocol (deprecated, development, library, mit)2021-01-130.24.0.0AlanZimmerman, lorenzo, wz1000, luke_
haskell-lsp-client (deprecated)22.00A haskell package to build your own Language Server client. (deprecated, development, gpl, language, library, program, protocol)2017-12-291.0.0.1
haskell-lsp-types (deprecated in favor of lsp-types)292.08Haskell library for the Microsoft Language Server Protocol, data types (deprecated, development, library, mit)2021-01-130.24.0.0AlanZimmerman, lorenzo, wz1000, luke_
haskell-menu (deprecated in favor of HCL)30.01A simple menu system for Haskell programs (deprecated, lgpl, library, system)2016-12-060.2.1jlamothe
haskell-ml20.00Machine learning in Haskell (bsd3, library, machine-learning, program)2018-01-280.4.2DavidBanas
haskell-modbus70.01A cereal-based parser for the Modbus protocol (bsd3, data, library, network, parsing)2014-04-150.3.2JasonHickner
haskell-mpfr22.02Correctly-rounded arbitrary-precision floating-point arithmetic (library, math, numeric)2016-02-010.1ilist
haskell-mpi32.02Distributed parallel programming in Haskell using MPI. (bsd3, distributed-computing, ffi, library)2015-02-081.4.0BerniePope, DmitryAstapov
haskell-names82.255Name resolution library for Haskell (bsd3, language, library)2020-05-260.9.9AdamBergmark, AlexandrRuchkin, RomanCheplyaka, PhilippSchuster
haskell-neo4j-client200.01A Haskell neo4j client (database, library, mit)2016-09-220.3.2.4asilvestre
haskell-openflow10.01OpenFlow protocol in Haskell (bsd3, library, network)2013-02-280.0.0.1BrianBrooks
haskell-packages110.04Haskell suite library for package management and integration with Cabal (distribution, library, mit)2018-05-020.6.2AdamBergmark, DavidHimmelstrup, RomanCheplyaka, PhilippSchuster, niteria
haskell-player11.50A terminal music player based on afplay (bsd3, library, program, sound)2016-06-050.1.3.3potomak
haskell-plot20.01A library for generating 2D plots painlessly. (graphics, library)2014-04-040.1.0.0kaizhang
haskell-postal50.01Haskell binding for the libpostal library (library, mit, natural-language-processing)2018-08-160.2.1.2netom
haskell-postgis20.00A haskell library for PostGIS geometry types. (database, library, mit)2020-06-260.2.0petefrance
haskell-proxy-list20.01Simple library for retrieving proxy servers info from https://proxy-list.org (library, public-domain, web)2016-06-170.0.1grzegorzgolda
haskell-qrencode50.03Haskell bindings for libqrencode. (bsd3, data, library)2013-01-171.0.4JamesSanders
haskell-read-editor (deprecated in favor of read-editor)30.01Opens a temporary file on the system's EDITOR and returns the resulting edits (deprecated, library, mit, system)2015-10-270.1.0.0yamadapc
haskell-reflect10.01Reflect Haskell types. (haskell, library, mit)2013-06-170.9JulianFleischer
haskell-rules20.01A DSL for expressing natural deduction rules in Haskell. (gpl, language, library)2015-01-160.1.0.1spacekitteh
haskell-say132.00Let the Haskell logo talk to your users! (bsd3, console, library, program, text, utils)2020-04-051.0.0.0DrewHaven
haskell-snake30.00Snake game implemetation in Haskell using SDL2 (games, gpl, library, program)2018-05-251.0.0cgenie
haskell-spacegoo20.01Client API for Rocket Scissor Spacegoo (game, library, mit)2015-04-040.2.0.1JoachimBreitner
haskell-src330.040Support for manipulating Haskell source code (bsd3, language, library)2024-09-221.0.4.1AndreasAbel, ConradParker, DonaldStewart, HerbertValerioRiedel, IanLynagh, RossPaterson
haskell-src-exts2472.5158Manipulating Haskell source: abstract syntax, lexer, parser, and pretty-printer (bsd3, language, library)2020-06-021.23.1AdamBergmark, DanBurton, GwernBranwen, NiklasBroberg, PeterJonsson, RomanCheplyaka, mpickering
haskell-src-exts-observe20.02Observable orphan instances for haskell-src-exts (bsd3, language, library)2017-08-170.1.0PepeIborra
haskell-src-exts-prisms20.01Prisms with newtype wrappers for haskell-src-exts (bsd3, language, library)2016-08-071.18.2.0DanielWaterworth
haskell-src-exts-qq170.03A quasiquoter for haskell-src-exts. (bsd3, language, library)2015-10-140.7MathieuBoespflug
haskell-src-exts-sc30.01Pretty print haskell code with comments (bsd3, language, library)2018-04-100.1.0.6achirkin
haskell-src-exts-simple180.04A simplified view on the haskell-src-exts AST (development, library, mit)2024-12-271.23.1.0BertramFelgenhauer
haskell-src-exts-util250.02Helper functions for working with haskell-src-exts trees (bsd3, language, library)2019-04-110.2.5NeilMitchell, PepeIborra
haskell-src-match20.00Testing code generators piece by piece. (bsd3, library, testing)2020-08-230.0.0.1MichalGajda
haskell-src-meta1220.0116Parse source to template-haskell abstract syntax. (bsd3, language, library, template-haskell)2025-01-180.8.15AdamBergmark, BenMillwood, DanBurton, GeoffreyMainland, JonasDuregard, MattMorrow, TroelsHenriksen
haskell-src-meta-mwotton (deprecated in favor of haskell-src-meta)40.04Parse source to template-haskell abstract syntax. (bsd3, deprecated, language, library)2010-07-180.1.0MarkWotton
haskell-stack-trace-plugin150.00haskell-stack-trace-plugin (compiler-plugin, debug, development, library, mit, program)2021-05-250.1.3.0waddlaw
haskell-throttle30.00A simple throttling library, which drops messages from same group. (agpl, concurrency, library)2024-07-310.1.0.1cgenie
haskell-time-range20.01Some useful wrappers and functions for building time ranges (bsd3, lenses, library, time)2017-04-040.2.0.1schalmers
haskell-to-elm60.01Generate Elm types and JSON encoders and decoders from Haskell types (bsd3, compiler, elm, language, library)2021-03-090.3.2.0OlleFredriksson, rickowens
haskell-token-utils10.02Utilities to tie up tokens to an AST (development, library, public-domain)2014-10-130.0.0.6AlanZimmerman
haskell-tools-ast330.013Haskell AST for efficient tooling (bsd3, language, library)2019-01-091.1.1.0lazac
haskell-tools-ast-fromghc70.02Creating the Haskell-Tools AST from GHC's representations (bsd3, language, library)2016-10-050.2.0.0lazac
haskell-tools-ast-gen10.02Facilities for generating new parts of the Haskell-Tools AST (bsd3, language, library)2016-10-050.2.0.0lazac
haskell-tools-ast-trf40.03Conversions on Haskell-Tools AST to prepare for refactorings (bsd3, language, library)2016-10-050.2.0.0lazac
haskell-tools-backend-ghc410.05Creating the Haskell-Tools AST from GHC's representations (bsd3, language, library)2019-01-091.1.1.0lazac
haskell-tools-builtin-refactorings110.04Refactoring Tool for Haskell (bsd3, language, library)2019-01-091.1.1.0lazac
haskell-tools-cli70.00Command-line frontend for Haskell-tools Refact (bsd3, language, library, program)2019-01-091.1.1.0lazac
haskell-tools-daemon60.01Background process for Haskell-tools that editors can connect to. (bsd3, language, library, program)2019-01-091.1.1.0lazac
haskell-tools-debug130.00Debugging Tools for Haskell-tools (bsd3, language, library, program)2019-01-091.1.1.0lazac
haskell-tools-demo70.00A web-based demo for Haskell-tools Refactor. (bsd3, language, library, program)2019-01-091.1.1.0lazac
haskell-tools-experimental-refactorings190.01Refactoring Tool for Haskell (bsd3, language, library)2019-01-091.1.1.0lazac
haskell-tools-prettyprint550.08Pretty printing of Haskell-Tools AST (bsd3, language, library)2019-01-091.1.1.0lazac
haskell-tools-refactor600.06Refactoring Tool for Haskell (bsd3, language, library)2019-01-091.1.1.0lazac
haskell-tools-rewrite510.03Facilities for generating new parts of the Haskell-Tools AST (bsd3, language, library)2019-01-091.1.1.0lazac
haskell-tor30.00A Haskell Tor Node (bsd3, library, network)2015-12-010.1.2AdamWick
haskell-type-exts20.01A type checker for Haskell/haskell-src-exts (bsd3, language, library)2012-04-020.1.0NiklasBroberg
haskell-typescript30.01Simple TypeScript API (gpl, language, library)2013-10-160.1.0.0DavidJohnson
haskell-tyrant10.01Haskell implementation of the Tokyo Tyrant binary protocol (bsd3, database, library)2011-07-020.4PeterScott, TravisBrady
haskell-xmpp (deprecated)70.01Haskell XMPP (eXtensible Message Passing Protocol, a.k.a. Jabber) library (bsd3, deprecated, library, network, program)2022-05-242.0.4
haskell201020.011Compatibility with Haskell 2010 (bsd3, haskell2010, library, prelude)2014-03-221.1.2.0AustinSeipp, HerbertValerioRiedel, IanLynagh
haskell202010.00Haskell 2020[draft] Standard Library (bsd3, haskell2020, library, prelude)2018-12-310.1.0.0HerbertValerioRiedel
haskell98120.0352Compatibility with Haskell 98 (bsd3, haskell98, library, prelude)2014-03-222.0.0.3AustinSeipp, HerbertValerioRiedel, IanLynagh
haskell98libraries30.01Compatibility with Haskell 98 (bsd3, haskell98, library)2013-09-062.0.0.2ThomasHallgren
haskelldb140.022A library of combinators for generating and executing SQL statements. (bsd3, database, library)2014-09-292.2.4BjornBringert, JustinBailey
haskelldb-connect-hdbc (deprecated)20.05Bracketed HDBC session for HaskellDB (bsd3, database, deprecated, library)2012-11-180.1.0.0KeiHibino
haskelldb-connect-hdbc-catchio-mtl (deprecated)50.01Bracketed HaskellDB HDBC session using MonadCatchIO-mtl (bsd3, database, deprecated, library)2012-11-180.1.0.0KeiHibino
haskelldb-connect-hdbc-catchio-tf (deprecated)50.01Bracketed HaskellDB HDBC session using MonadCatchIO-transformers (bsd3, database, deprecated, library)2012-11-200.1.0.0KeiHibino
haskelldb-connect-hdbc-catchio-transformers (deprecated)40.01Bracketed HaskellDB HDBC session using MonadCatchIO-transformers (bsd3, database, deprecated, library)2012-11-180.1.0.0KeiHibino
haskelldb-connect-hdbc-lifted (deprecated)40.01Bracketed HaskellDB HDBC session using lifted-base (bsd3, database, deprecated, library)2012-11-180.1.0.0KeiHibino
haskelldb-dynamic40.01HaskellDB support for the dynamically loaded drivers. (bsd3, database, library, program)2012-10-121.0.0BjornBringert, JustinBailey
haskelldb-flat20.01An experimental HaskellDB back-end in pure Haskell (no SQL) (bsd3, database, library, program)2012-10-121.0.1BjornBringert, JustinBailey
haskelldb-hdbc60.06HaskellDB support for HDBC. (bsd3, database, library)2015-08-172.2.4BjornBringert, JustinBailey
haskelldb-hdbc-mysql30.01HaskellDB support for the HDBC MySQL driver. (bsd3, database, library, program)2011-05-090.1.1AndrewMiller
haskelldb-hdbc-odbc80.02HaskellDB support for the HDBC ODBC driver. (bsd3, database, library, program)2012-10-252.1.2BjornBringert, JustinBailey
haskelldb-hdbc-postgresql80.01HaskellDB support for the HDBC PostgreSQL driver. (bsd3, database, library, program)2012-10-252.1.2BjornBringert, JustinBailey
haskelldb-hdbc-sqlite3160.01HaskellDB support for the HDBC SQLite driver. (bsd3, database, library, program)2012-10-252.1.2BjornBringert, JustinBailey
haskelldb-hsql30.07HaskellDB support for HSQL. (bsd3, database, library)2012-10-121.0.0BjornBringert, JustinBailey
haskelldb-hsql-mysql40.01HaskellDB support for the HSQL MySQL driver. (bsd3, database, library, program)2012-10-121.0.0BjornBringert, JustinBailey
haskelldb-hsql-odbc30.01HaskellDB support for the HSQL ODBC driver. (bsd3, database, library, program)2012-10-121.0.0BjornBringert, JustinBailey
haskelldb-hsql-oracle20.01HaskellDB support for the HSQL Oracle driver. (bsd3, database, library, program)2012-10-121.0.0JustinBailey
haskelldb-hsql-postgresql30.01HaskellDB support for the HSQL PostgreSQL driver. (bsd3, database, library, program)2012-10-121.0.0BjornBringert, JustinBailey
haskelldb-hsql-sqlite30.01HaskellDB support for the HSQL SQLite driver. (bsd3, database, library, program)2012-10-121.0.0BjornBringert, JustinBailey
haskelldb-hsql-sqlite350.01HaskellDB support for the HSQL SQLite3 driver. (bsd3, database, library, program)2012-10-121.0.0BjornBringert, JustinBailey
haskelldb-th30.01Template Haskell utilities for HaskellDB. (bsd3, database, library)2010-11-112.1.0JustinBailey
haskelldb-wx10.01HaskellDB support for WXHaskell. (bsd3, database, library)2012-10-121.0.0JustinBailey
haskellish122.00For parsing Haskell-ish languages (bsd3, language, library)2025-01-240.3.2.4dktr0
haskellscrabble50.01A scrabble library capturing the core game logic of scrabble. (game, gpl, library)2016-03-262.2.2happy0
haskelm20.01Elm to Haskell translation (bsd3, compiler, language, library, program)2014-03-250.1.12.0jeremondi
haskelzinc20.01CP in Haskell through MiniZinc (bsd3, interfaces, library)2018-03-060.3.1.1klara_mar
haskeme40.00Compiler from I- to S-Expressions for the Scheme Programming Language (bsd3, language, library, program)2019-07-180.1.0.4jumper149
haskey30.01A transactional, ACID compliant, embeddable key-value store. (bsd3, database, library)2019-12-110.3.1.0hverr, skeuchel
haskey-btree70.02B+-tree implementation in Haskell. (bsd3, database, library)2019-05-120.3.0.1hverr, skeuchel
haskey-mtl30.01A monad transformer supporting Haskey transactions. (bsd3, database, library)2018-05-220.3.1.0hverr, skeuchel
haskgame (deprecated in favor of sdl2)20.02Haskell game library. (bsd3, deprecated, graphics, library)2009-08-060.0.6EyalLotem
haskheap30.01Haskell bindings to refheap. (library, mit, network)2012-12-050.1.2AnthonyGrimes
haskhol-core10.01The core logical system of HaskHOL, an EDSL for HOL theorem proving. (bsd3, library, theorem-provers)2015-02-171.1.0EvanAustin
haskintex90.02Haskell Evaluation inside of LaTeX code. (bsd3, latex, library, program)2025-02-210.8.0.3DanielDiaz
hasklepias (deprecated)40.00embedded DSL for defining epidemiologic cohorts (bsd3, data-science, deprecated, library, program)2021-09-080.20.0bradleysaul
haskmon20.01A haskell wrapper for PokeAPI.co (www.pokeapi.co) (game, library, mit, web)2016-03-090.2.2.0pjrt
haskoin (deprecated in favor of haskoin-core)30.01Implementation of the Bitcoin protocol. (bitcoin, deprecated, finance, library, network, public-domain)2014-08-180.1.0.2PhilippeLaprade
haskoin-bitcoind30.01An adapter for haskoin to network-bitcoin (bsd3, library, network)2019-12-220.4.1wraithm
haskoin-core172.014Bitcoin & Bitcoin Cash library for Haskell (bitcoin, finance, library, mit, network, public-domain)2024-03-141.1.0PhilippeLaprade, jprupp
haskoin-crypto (deprecated in favor of haskoin)30.04Implementation of Bitcoin cryptographic primitives. (bitcoin, deprecated, finance, library, network, public-domain)2013-12-150.0.1.1PhilippeLaprade
haskoin-node90.02P2P library for Bitcoin and Bitcoin Cash (bitcoin, finance, library, mit, network, public-domain)2024-05-231.1.3PhilippeLaprade, jprupp
haskoin-protocol (deprecated in favor of haskoin)30.03Implementation of the Bitcoin network protocol messages (bitcoin, deprecated, finance, library, network, public-domain)2013-12-180.0.1.1PhilippeLaprade
haskoin-script (deprecated in favor of haskoin)20.02Implementation of Bitcoin script parsing and evaluation (bitcoin, deprecated, finance, library, network, public-domain)2013-12-180.0.1PhilippeLaprade
haskoin-store1840.00Storage and index for Bitcoin and Bitcoin Cash (bitcoin, finance, library, mit, network, program)2024-12-041.5.14jprupp
haskoin-store-data1470.01Data for Haskoin Store (bitcoin, finance, library, mit, network)2024-03-271.4.0jprupp
haskoin-util (deprecated in favor of haskoin)10.05Utility functions for the Network.Haskoin project (bitcoin, deprecated, finance, library, network, public-domain)2013-12-140.0.1.1PhilippeLaprade
haskoin-wallet20.01Implementation of a Bitcoin SPV Wallet with BIP32 and multisig support. (bitcoin, finance, library, network, public-domain)2017-05-040.4.2PhilippeLaprade, jprupp
haskoon30.03Web Application Abstraction (library, web)2010-10-050.3.1.1DavidLeuschner, StefanWehr
haskoon-httpspec10.01Integrating HttpSpec with Haskoon (library, web)2010-10-050.5.0.1StefanWehr
haskoon-salvia10.01Integrating HttpSpec with Haskoon (library, web)2010-10-050.4.0.2StefanWehr
haskore60.06The Haskore Computer Music System (library, music, sound)2016-02-040.2.0.8HenningThielemann
haskore-realtime30.02Routines for realtime playback of Haskore songs (library, music, sound)2014-10-310.2HenningThielemann
haskore-supercollider40.01Haskore back-end for SuperCollider (library, music, program, sound)2014-10-310.3HenningThielemann
haskore-synthesizer40.01Music rendering coded in Haskell (library, music, sound)2016-09-210.0.3.3HenningThielemann
haskore-vintage40.01The February 2000 version of Haskore. (bsd3, library, music)2015-10-130.3IavorDiatchki
haskseg60.00Simple unsupervised segmentation model (bsd3, library, nlp, program)2019-09-260.1.0.3TomLippincott
hasktags210.02Produces ctags "tags" and etags "TAGS" files for Haskell programs (bsd3, development, library, program)2023-08-100.73.0IanLynagh, MarcWeber, jhenahan
hasktorch60.01Haskell bindings to libtorch, supporting both typed and untyped tensors. (bsd3, codegen, library)2025-01-210.2.1.3junjihashimoto, stites, tscholak, austinvhuang
hasktorch-codegen40.00Code generation tools for Hasktorch (ai, bsd3, code-generation, ffi-tools, library, machine-learning, program, tensors)2018-11-010.0.1.1stites
hasktorch-ffi-tests20.01Testing library for Hasktorch's FFI bindings (ai, bsd3, ffi, library, machine-learning, tensors)2018-11-010.0.1.0stites
hasktorch-ffi-th10.02Bindings to Torch (ai, bsd3, ffi, library, machine-learning, tensors)2018-11-010.0.1.0stites
hasktorch-ffi-thc20.00Bindings to Cutorch (ai, bsd3, ffi, library, machine-learning, tensors)2018-11-010.0.1.0stites
hasktorch-indef20.00Core Hasktorch abstractions wrapping FFI bindings (ai, bsd3, library, machine-learning, tensors)2018-11-020.0.1.0stites
hasktorch-signatures30.01Backpack signatures for Tensor operations (ai, bsd3, library, machine-learning, program, tensors)2018-11-010.0.1.0stites
hasktorch-signatures-partial30.01Functions to partially satisfy tensor signatures (ai, bsd3, library, machine-learning, tensors)2018-11-010.0.1.0stites
hasktorch-signatures-support40.02Signatures for support tensors in hasktorch (ai, bsd3, library, machine-learning, tensors)2018-11-010.0.1.0stites
hasktorch-signatures-types40.03Core types for Hasktorch backpack signatures (ai, bsd3, library, machine-learning, tensors)2018-11-010.0.1.0stites
hasktorch-types-th30.09C-types for Torch (ai, bsd3, ffi, library, machine-learning, tensors)2018-11-010.0.1.0stites
hasktorch-types-thc30.04C-types for Cutorch (ai, bsd3, ffi, library, machine-learning, tensors)2018-11-010.0.1.0stites
hasktorch-zoo20.00Neural architectures in hasktorch (ai, bsd3, library, machine-learning, tensors)2018-11-020.0.1.0stites
haskus-binary30.02Haskus binary format manipulation (bsd3, library, system)2024-07-291.6SylvainHenry
haskus-utils30.01Haskus utility modules (bsd3, library, system)2020-02-211.5SylvainHenry
haskus-utils-compat30.01Compatibility modules with other external packages (ByteString, etc.) (bsd3, library, system)2020-06-181.1SylvainHenry
haskus-utils-data100.04Haskus data utility modules (bsd3, data, library)2024-08-171.5SylvainHenry
haskus-utils-types150.05Haskus types utility modules (bsd3, library, type)2024-07-291.6SylvainHenry
haskus-utils-variant (deprecated in favor of variant)410.02Variant and EADT (bsd3, deprecated, library, system)2024-07-293.5SylvainHenry
haskus-web20.00Haskus web (bsd3, library, system)2019-02-041.1SylvainHenry
haskyapi (deprecated)20.00HTTP server (deprecated, library, mit, program, web)2018-02-090.0.0.2okue
haslo20.01Loan calculator engine. (bsd3, finance, library, program)2012-09-270.1.3BartoszWojcik
hasmin42.01CSS Minifier (bsd3, library, program, text)2018-12-301.0.3contivero
hasmtlib52.00A monad for interfacing with external SMT solvers (gpl, library, logic, smt)2024-11-292.8.1bruderj15
haspara40.00A library providing definitions to work with monetary values. (finance, library, mit)2024-10-070.0.0.10vst
hasparql-client30.01This package enables to write SPARQL queries to remote endpoints. (bsd3, database, library, semantic-web)2011-03-220.1LuizDamascena
haspell70.01Haskell bindings to aspell (language, library, mit)2013-08-261.1.0JoelTaylor
hasql592.545Fast PostgreSQL driver with a flexible mapping API (database, hasql, library, mit, postgresql)2025-02-021.9.1.1NikitaVolkov
hasql-backend (deprecated in favor of hasql)100.05API for backends of "hasql" (database, deprecated, library, mit)2016-10-190.4.3NikitaVolkov
hasql-class10.01Encodable and Decodable classes for hasql (bsd3, database, hasql, library, postgresql)2018-02-090.1.0.0jkarni
hasql-cursor-query150.01A declarative abstraction over PostgreSQL Cursor (database, hasql, library, mit, postgresql, streaming)2025-01-060.4.5.2NikitaVolkov
hasql-cursor-transaction120.01An abstraction for simultaneous fetching from multiple PostgreSQL cursors (database, hasql, library, mit, postgresql, streaming)2025-01-060.6.5.2NikitaVolkov
hasql-dynamic-statements410.01Toolkit for constructing Hasql statements dynamically (library, mit, unclassified)2025-01-060.3.1.8NikitaVolkov
hasql-effectful10.00Effectful bindings for hasql (database, library, mit, program)2023-12-270.1.0.0shinzui
hasql-explain-tests10.00Hasql queries testing interface (library, mpl, testing)2022-03-120.1.0.0AlexanderVershilov
hasql-generic20.01Generic encoder and decoder deriving for Hasql (bsd3, library, web)2017-12-280.1.0.5kahnpro
hasql-implicits280.02Implicit definitions for Hasql, such as default codecs for standard types (library, mit, unclassified)2025-01-060.2.0.1NikitaVolkov
hasql-interpolate160.00QuasiQuoter that supports expression interpolation for hasql (bsd3, database, hasql, library, postgresql)2024-07-161.0.1.0mitchellwrosen, tstat
hasql-listen-notify70.00LISTEN/NOTIFY with hasql (bsd3, hasql, library, postgresql)2023-12-270.1.0.1mitchellwrosen
hasql-migration160.03PostgreSQL Schema Migrations (bsd3, database, library)2024-07-050.3.1TvH
hasql-mover10.00Hasql migrations library (bsd3, database, library)2024-05-030.1.1MikeLedger
hasql-notifications400.03LISTEN/NOTIFY support for Hasql (bsd3, database, hasql, library, postgresql, program)2025-01-260.2.3.2diogob
hasql-optparse-applicative420.02"optparse-applicative" parsers for "hasql" (database, hasql, library, mit, options, postgresql)2025-01-060.9NikitaVolkov
hasql-pipes40.00A pipe to stream a postgres database cursor in the hasql ecosystem (bsd3, database, library, streaming)2020-10-020.1.0.1PaoloVeronelli
hasql-pool550.011Pool of connections for Hasql (database, hasql, library, mit, postgresql)2025-01-061.3NikitaVolkov
hasql-postgres (deprecated in favor of hasql)290.04A "PostgreSQL" backend for the "hasql" library (database, deprecated, library, mit)2015-09-210.10.6NikitaVolkov
hasql-postgres-options (deprecated in favor of hasql-optparse-applicative)90.01An "optparse-applicative" parser for "hasql-postgres" (database, deprecated, library, mit, options)2016-10-190.1.6NikitaVolkov
hasql-queue90.00A PostgreSQL backed queue (bsd3, library, program, web)2020-07-061.2.0.2JonathanFischoff
hasql-resource-pool60.00A pool of connections for Hasql based on resource-pool. (database, hasql, library, mit, postgresql)2023-03-080.6.0.0avanov
hasql-simple30.01A somewhat opinionated "simpler" API to hasql (bsd3, library, web)2017-09-230.1.0.0AlexanderThiemann
hasql-streams-conduit20.00Stream Hasql queries with Conduit (conduit, database, hasql, library, mit, postgresql, streaming)2022-02-050.1.0.0amarianiello
hasql-streams-core10.04Stream Hasql queries (database, hasql, library, mit, postgresql, streaming)2022-02-050.1.0.0amarianiello
hasql-streams-pipes20.00Stream Hasql queries with Pipes (database, hasql, library, mit, pipes, postgresql, streaming)2022-02-050.1.0.0amarianiello
hasql-streams-streaming30.00Stream Hasql queries with Streaming (database, hasql, library, mit, postgresql, streaming)2022-02-050.1.0.0amarianiello
hasql-streams-streamly22.00Stream Hasql queries with Streamly (database, hasql, library, mit, postgresql, streaming, streamly)2022-02-050.1.0.0amarianiello
hasql-th140.02Template Haskell utilities for Hasql (database, hasql, library, mit, postgresql, template-haskell)2025-01-060.4.0.23NikitaVolkov
hasql-transaction580.09Composable abstraction over retryable transactions for Hasql (database, hasql, library, mit, postgresql)2025-01-071.2.0.1NikitaVolkov
hasql-transaction-io50.05Perform IO actions during transactions for Hasql (database, hasql, library, mit, postgresql)2024-09-230.2.8.0amarianiello
hasql-url30.00Parse PostgreSQL connection URI into Hasql.Connection Settings (library, mit, utility)2023-12-260.3.0.0shinzui
hasqlator-mysql130.00composable SQL generation (bsd3, database, library)2024-10-130.2.1KristofBastiaensen
hasqly-mysql20.00composable SQL generation (bsd3, database, library)2020-08-170.0.1KristofBastiaensen
hastache (deprecated in favor of mustache)90.017Haskell implementation of Mustache templates (bsd3, deprecated, library, program, text)2014-12-230.6.1DaniilFrumin, SergeyLymar
hastache-aeson40.02render hastache templates using aeson values (bsd3, library, text)2015-09-110.1.1.0VladimirKirillov
haste-app30.01Framework for type-safe, distributed web applications. (library, mit, web)2017-09-150.1.0.0AntonEkblad
haste-gapi12.01Google API bindings for the Haste compiler (library, mit, web)2016-04-010.1.0.1nyson
haste-lib10.08Base libraries for haste-compiler. (bsd3, library, web)2017-09-150.6.0.0AntonEkblad
haste-markup10.01A port of blaze-markup and blaze-html to Haste (library, mit, web)2014-06-070.0.1.0AnupamJain
haste-perch10.02Create, navigate and modify the DOM tree with composable syntax, with the haste compiler (gpl, library, web)2015-04-090.1.0.9AlbertoCorona
haste-prim10.02Low level primitives for the Haste compiler. (bsd3, library, web)2017-09-150.6.0.0AntonEkblad
hastily40.00A program to download subtitle files. (bsd3, cli, library, program)2015-10-140.1.0.6sras
hasty-hamiltonian140.01Speedy traversal through parameter space. (library, mit, numeric)2021-02-211.3.4JaredTobin
hat60.01The Haskell tracer, generating and viewing Haskell execution traces (development, library, program)2017-11-032.9.4OlafChitil
hatex-guide30.01HaTeX User's Guide. (bsd3, latex, library)2017-01-131.3.1.6DanielDiaz
hats30.00Haskell client for the NATS messaging system (library, mit, network, program)2016-10-040.1.0.1PatrikSandahl
hatt30.01A truth table generator for classical propositional logic. (bsd3, library, logic, program)2012-11-241.5.0.3BenedictEastaugh
haveibeenpwned40.00Library for checking for weak/compromised passwords. (bsd3, library, program, web)2025-01-180.2.0.3RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
haverer20.00Implementation of the rules of Love Letter (apache, game, library, program)2015-06-080.3.0.0jml
hax30.01Haskell cash-flow and tax simulation (finance, library, mit, program)2017-01-250.0.2johannesgerer
haxl122.2510A Haskell library for efficient, concurrent, and concise data access. (bsd3, concurrency, library)2024-06-082.5.1.0SimonMarlow, algoriddle, niteria
haxl-amazonka20.01Haxl data source for accessing AWS services through amazonka. (bsd3, library, web)2017-01-170.1.1TvH
haxl-facebook20.01An example Haxl data source for accessing the Facebook Graph API (bsd3, concurrency, library, network)2014-06-100.1.0.0SimonMarlow, algoriddle
haxparse30.01Readable HaxBall replays (data, library, mit, program)2013-09-180.3.1.0JoelTaylor
haxr450.011XML-RPC client and server library. (bsd3, library, network)2024-07-293000.11.5.1BjornBringert, BrentYorgey, GracjanPolak, SigbjornFinne
haxr-th20.01Automatic deriving of XML-RPC structs for Haskell records. (bsd3, library, unclassified)2010-01-143000.5BjornBringert, GracjanPolak
haxy30.01A simple HTTP proxy server library (bsd3, library, web)2015-08-251.0.1AndreyChudnov
hayland (deprecated)20.01Haskell bindings for the C Wayland library. (deprecated, graphics, library, mit, program)2014-09-160.1.0.1AukeBooij
hbayes30.01Bayesian Networks (bsd3, library, math)2016-05-130.5.2alpheccar
hbcd10.01Packed binary-coded decimal (BCD) serialization (data, library, mit)2012-06-201.0AndrewKay
hbeanstalk50.01Client for the beanstalkd workqueue service. (bsd3, library, network)2012-09-100.2.4GregHeartsfield
hbf30.00An optimizing Brainfuck compiler and evaluator (gpl, language, library, program)2018-07-040.2.0.0paraseba
hblas42.01Human friendly BLAS and Lapack bindings for Haskell. (bsd3, library, math)2018-01-310.4.0.1CarterSchonwald
hblock20.02A mutable vector that provides indexation on the datatype fields it stores (bsd3, data, library)2015-03-200.1.0.2HugoGomes
hbro40.02Minimal extensible web-browser (browser, library, program, web)2016-11-261.7.0.0koral
hbro-contrib30.01Third-party extensions to hbro. (browser, library, program, web)2016-11-261.7.0.0koral
hcad20.00Haskell CAD library (graphics, library)2020-01-300.1JeanPhilippeBernardy
hcdt10.002d Delaunay triangulation (bsd3, geometry, library)2023-11-010.1.1.1stla
hcg-minus (deprecated)60.08haskell cg (minus) (bsd3, deprecated, library, math)2017-11-220.16RohanDrape
hcg-minus-cairo (deprecated)60.02haskell cg (minus) (cairo rendering) (bsd3, deprecated, library, math)2017-11-220.16RohanDrape
hcheat (deprecated)40.05A collection of code cheatsheet (bsd3, deprecated, library, web)2010-01-262010.1.16JinjingWang
hchesslib20.01Chess library (game, gpl, library)2021-12-050.2.0.0MiikaPetteriMatikainen
hcltest20.01A testing library for command line applications. (bsd3, library, testing)2015-07-090.3.7BennoFuenfstueck
hcoap20.00CoAP implementation for Haskell. (bsd3, library, network, program)2016-02-180.1.2.1lulf
hcobs50.00An implementation of the Consistent Overhead Byte Stuffing algorithm (bsd3, codec, library)2018-11-190.1.0.1berdario
hcoord20.00Easily convert between latitude/longitude, UTM and OSGB. (bsd3, geography, library, program)2017-03-131.0.0.0dfrancesconi
hcron30.01A simple job scheduler, which just runs some IO action at a given time. (bsd3, control, library, scheduling)2012-08-230.0.0.3TimoHuebel
hcube20.01Virtual Rubik's cube of arbitrary size. (bsd3, game, library, program)2013-05-200.1.1ToddWegner
hcwiid80.01Library to interface with the wiimote (gpl, library, system)2017-04-270.0.6.1IvanPerez, KiwamuOkabe, keera_studios_ci
hdaemonize130.03Library to handle the details of writing daemons for UNIX (bsd3, library, system)2023-06-260.5.7AntonTayanovskyy, FrederickRoss, sickmind, jeremy
hdaemonize-buildfix20.01Library to handle the details of writing daemons for UNIX (bsd3, library, system)2011-12-270.4.5MarkWotton
hdbc-aeson20.01Deserialize from HDBC rows to FromJSON instances (database, library, mit)2015-03-200.1.3.2DanielChoi
hdbc-postgresql-hstore (deprecated in favor of HDBC-postgresql-hstore, postgresql-simple)30.01Manipulate data in PostgreSQL "hstore" columns. (database, deprecated, library, mit)2012-07-060.0.1.1AlexanderBondarenko
hdbc-tuple30.01Type save tuples for HDBC (database, library)2009-02-260.0.1RickKaudewitz
hdbi20.05Haskell Database Independent interface (bsd3, database, library)2013-10-151.3.0AlekseyUymanov
hdbi-conduit30.01Conduit glue for HDBI (bsd3, database, library)2013-10-151.3.0AlekseyUymanov
hdbi-postgresql20.01PostgreSQL driver for hdbi (bsd3, database, library)2013-10-151.3.0AlekseyUymanov
hdbi-sqlite20.01SQlite driver for HDBI (bsd3, database, library)2013-10-151.3.0AlekseyUymanov
hdbi-tests30.01test suite for testing HDBI (bsd3, library, testing)2013-10-151.3.0AlekseyUymanov
hdf (deprecated)20.01HDF: Uniform Rate Audio Signal Processing in Haskell (deprecated, library, sound)2014-10-120.15RohanDrape
hdf540.00Haskell interface to the HDF5 scientific data storage library. (database, library)2025-01-151.8.14picca
hdf5-lite20.01High-level bindings to the HDF5 "lite" interface (bsd3, data, library)2018-03-300.1.1.0ocramz
hdiff22.00Pattern-Expression-based differencing of arbitrary types. (library, mit, other, program)2019-09-270.0.1vcmiraldo
hdigest10.01Server-side HTTP Digest (RFC2617) in the CGI monad (bsd3, library, web)2010-01-041.0JameySharp
hdirect20.01An IDL compiler for Haskell (bsd3, development, library, program)2010-02-140.21.0DonaldStewart
hdis8620.02Interface to the udis86 disassembler for x86 and x86-64 / AMD64 (bsd3, disassembler, foreign, language, library, reverse-engineering)2011-08-280.2KeeganMcAllister
hdiscount10.01Haskell bindings to the Discount markdown library (bsd3, library, text)2012-09-200.1.0.0JamieTurner
hdmenu20.00A small wrapper around dmenu (gpl, library, program, system)2024-05-230.3.0TonyZorman
hdo41.750A Digital Ocean client in Haskell (cloud, library, mit, program)2017-05-130.5abailly
hdocs80.02Haskell docs tool (bsd3, development, library, program)2020-11-040.5.5.0AlexandrRuchkin
hdph10.01Haskell distributed parallel Haskell (bsd3, control, distributed-computing, library, monads, parallelism, program)2013-02-070.0.1PatrickMaier
hdph-closure10.02Explicit closures in Haskell distributed parallel Haskell (bsd3, control, distributed-computing, library)2013-02-070.0.1PatrickMaier
hdr-histogram10.01Haskell implementation of High Dynamic Range (HDR) Histograms (gpl, library, math, statistics)2016-01-030.1.0.0joshbohde
headed-megaparsec190.02More informative parser (library, megaparsec, mit, parsers, parsing)2023-12-110.2.1.3NikitaVolkov
headroom110.00License Header Manager (bsd3, library, program, utils)2022-01-200.4.3.0xwinus
heap90.012Heaps in Haskell (bsd3, data-structures, library)2018-04-111.0.4StephanFriedrichs, eberlm
heap-console10.00interactively inspect Haskell values at runtime (bsd3, language, library)2020-11-210.1.0.1TheMatten
heaps892.020Asymptotically optimal Brodal/Okasaki heaps. (bsd3, data-structures, library)2024-12-040.4.1EdwardKmett, EricMertens, ryanglscott
heapsize110.01Determine the size of runtime data structures (bsd3, debug, development, ghc, library)2020-12-090.3.0.1PepeIborra
heapsort20.01Heapsort of MArrays as a demo of imperative programming (algorithms, bsd3, library, program)2010-08-040.1.0BartonMassey
heart-app (deprecated)30.01An opinionated app prelude and framework in the UnliftIO style (bsd3, deprecated, library, prelude)2020-01-100.1.1ejconlon
heart-core (deprecated)40.02An opinionated library prelude in the UnliftIO style (bsd3, deprecated, library, prelude)2020-02-210.3.2ejconlon
heartbeat-streams80.01Heartbeats for io-streams (bsd3, concurrency, io-streams, library)2021-02-040.1.0.3wraithm, LukeHoersten
heatitup20.00Find and annotate ITDs. (bioinformatics, gpl, library, program)2019-06-130.5.4.0GregorySchwartz
heatitup-complete70.00Find and annotate ITDs with assembly or read pair joining. (bioinformatics, gpl, library, program)2020-02-170.5.5.0GregorySchwartz
heatshrink60.01Compression and decompression using heatshrink (bsd3, ffi, library)2017-04-140.1.0.0Thierry
heavy-log-shortcuts (deprecated in favor of monad-logger)40.00Simle api for heavy logger (deprecated, library, mit, system)2019-04-111.0.1
heavy-logger20.06Full-weight logging based on fast-logger (bsd3, library, system)2022-02-020.3.2.2IlyaPortnov
heavy-logger-amazon20.01heavy-logger compatibility with amazonka-core logging (bsd3, library, system)2017-10-300.1.0.0IlyaPortnov
heavy-logger-instances50.01Orphan instances for data types in heavy-logger package (bsd3, library, system)2022-02-010.2.1.1IlyaPortnov
hebrew-time70.01Hebrew dates and prayer times. (data, library, mit)2019-02-170.1.2MichaelSnoyman
hecc (deprecated in favor of eccrypto)60.02Elliptic Curve Cryptography for Haskell (bsd3, codec, cryptography, deprecated, library)2015-02-170.4.1.1MarcelFourne
heckin30.00Oh heck, it's a heckin' case conversion library. (data, library, mit, text)2019-11-090.0.1.0maxdeviant
heckle40.00Jekyll in Haskell (feat. LaTeX) (library, mit, program, web)2017-03-112.0.2.12016rshah
heddit50.00Reddit API bindings (bsd3, library, network)2021-07-250.2RoryTylerHayford
hedgehog1462.7563Release with confidence. (bsd3, library, testing)2024-07-241.5JacobStanley, moodmosaic
hedgehog-checkers30.01 (bsd3, library, web)2017-12-110.1.0.0bitemyapp
hedgehog-checkers-lens20.01 (bsd3, library, web)2017-12-110.1.0.0bitemyapp
hedgehog-classes242.00Hedgehog will eat your typeclass bugs (bsd3, library, testing)2022-12-170.2.5.4ryanglscott, andrewthad, chessai
hedgehog-corpus130.01hedgehog-corpus (bsd3, library, testing)2020-01-240.2.0JacobStanley, lambda_foo, moodmosaic
hedgehog-extras670.00Supplemental library for hedgehog (apache, library, test)2024-12-240.7.0.0haskellworks, carbolymer, jimbo4350
hedgehog-fakedata140.01Use 'fakedata' with 'hedgehog' (bsd3, library, testing)2022-01-310.0.1.5parsonsmatt
hedgehog-fn70.01Function generation for `hedgehog` (bsd3, library, testing)2019-05-161.0TonyMorris, qfpl, GeorgeWilson
hedgehog-gen20.00Customizable Gen for ADT using Generics (bsd3, library, testing)2020-02-240.1.0.0magesh
hedgehog-gen-json70.01JSON generators for Hedgehog (library, mit, test)2018-05-090.5.1amrhassan
hedgehog-generic50.00GHC Generics automatically derived hedgehog generators (bsd3, data, development, library, testing)2019-04-170.1chessai
hedgehog-golden30.00Golden testing capabilities for hedgehog using Aeson (bsd3, library, testing)2022-06-201.0.1felixmulder
hedgehog-lens10.00Hedgehog properties for lens laws. (lens, library, mit, testing)2022-04-140.1.0.0solomon
hedgehog-optics20.00Hedgehog properties for optics laws (library, mit, optics, testing)2025-01-221.0.0.4chris_martin, Monoid_Mary
hedgehog-quickcheck260.01Use QuickCheck generators in Hedgehog and vice versa. (bsd3, library, testing)2019-05-180.1.1JacobStanley, moodmosaic
hedgehog-servant40.00Hedgehog property testing for Servant APIs (bsd3, library, testing)2021-04-250.0.1.1felixmulder
hedis242.558Client library for the Redis datastore: supports full command set, pipelining. (bsd3, database, library)2023-04-140.15.2AlexanderVershilov, FalkoPeters, k_bx, jbrechtel, AravindGopal
hedis-config30.01Easy trivial configuration for Redis (bsd3, database, library)2018-04-221.0.0AlekseyUymanov
hedis-effectful10.00Adaptation of the hedis library for the effectful ecosystem. (bsd3, control, library)2024-06-061.0.0.0arybczak
hedis-envy60.00 (bsd3, database, library, system)2020-02-070.1.0.1igrep
hedis-monadic70.01A la MonadReader for Redis connection (bsd3, database, library)2015-08-020.0.4AlekseyUymanov
hedis-namespace20.01Initial project template from stack (bsd3, library, program, web)2016-07-070.1.0.0jdabbs
hedis-pile180.02Caching mandatory data with Redis (bsd3, database, library)2012-09-230.6.3AlexanderDorofeev
hedis-simple10.01A simplified API for hedis (database, library, mit)2013-11-280.1.0.0IanDuncan
hedis-tags20.02Tags for hedis (bsd3, database, library)2012-09-230.2.3AlexanderDorofeev
hedn140.04EDN parsing and encoding (bsd3, data, library)2021-11-130.3.0.4AlexanderBondarenko
hedn-functor40.00Base functor for EDN AST (bsd3, data, library)2019-03-160.1.0.0AlexanderBondarenko
hedra20.00A small library and executable for generating dice rolls. (game, library, mit, program)2019-01-020.1vtan
heftia40.01higher-order algebraic effects done right (control, library, monads, mpl)2024-11-030.5.0.0YamadaRyo
heftia-effects50.00higher-order algebraic effects done right (control, effect, library, monads, mpl, program)2024-11-030.5.0.0YamadaRyo
hegg32.01Fast equality saturation in Haskell (bsd3, data, library)2023-10-310.5.0.0romes
heidi32.00Tidy data in Haskell (data-mining, data-science, generics, library, mit, program)2021-06-170.3.0ocramz
heist242.024An Haskell template system supporting both HTML5 and XML. (bsd3, library, snap, web)2023-10-221.1.1.2DougBeardsley, GregoryCollins, imalsogreg
heist-aeson30.01Use JSON directly from Heist templates. (library, public-domain, web)2011-05-110.5DavidHimmelstrup
heist-async20.01Adding support for asynchronous updates ("AJAX") with heist (bsd3, library, web)2014-01-190.6.0.0DanielPatterson
heist-emanote10.02An Haskell template system supporting both HTML5 and XML. (bsd3, library, snap, web)2022-05-211.2.1.0sridca
heist-extra40.01Extra heist functionality (library, mit, web)2023-08-090.3.0.0sridca
helic22.00Clipboard Manager (clipboard, library, program)2023-07-070.6.1.0tek
helics30.03New Relic® agent SDK wrapper for Haskell. (library, mit, network)2015-03-240.5.1HirotomoMoriwaki
helics-wai10.02New Relic® agent SDK wrapper for wai. (library, mit, network)2015-03-240.5.1HirotomoMoriwaki
helium40.01The Helium Compiler. (compiler, library, program)2015-04-141.8.1AlejandroSerrano, JurriaanHage
helium-overture60.01A backwards-compatible, modern replacement for the Prelude. (library, public-domain, web)2016-08-261.0.0patrick_thomson
helix20.01Web development micro framework for haskell with typesafe URLs (library, mit, network)2016-01-120.9.5AnupamJain
hell30.01Haskell-based shell scripting language (bsd3, library, program, shell, unclassified)2025-01-15666.20250113ChrisDone
hellnet20.01Simple, distributed, anonymous data sharing network. (gpl, library, network, program)2010-03-030.1.1JaroslavGridin
helm52.51A functionally reactive game engine. (frp, game-engine, library, mit, program)2016-10-031.0.0ZackCorr, kasbah
help-esb20.01A Haskell client for the Help.com team's ESB. (development, library, mit)2014-11-130.1.6suitupalex
hemkay-core30.01A device independent module music mixer (bsd3, library, music, sound)2011-04-070.1.4GergelyPatai
hemokit30.01Haskell port of the Emokit EEG project (bioinformatics, library, mit, program)2015-08-190.6.6NiklasHambuechen, PatrickChilton
hen20.01Haskell bindings to Xen hypervisor interface (library, mit, system)2014-03-130.1.3FedorGogolev
henet30.01Bindings and high level interface for to ENet v1.3.9 (ffi, library, mit, network)2013-09-041.3.9.3JohnEricson
hepevt10.01HEPEVT parser (library, mit, physics)2012-02-060.5ScottLawrence
heptapod60.00Generate UUIDv7 values. (data, library, mit)2024-11-051.1.0.0fozworth
her-lexer20.02A lexer for Haskell source code. (language, library, public-domain)2012-09-060.1.1TimothyHobbs
her-lexer-parsec10.01Parsec frontend to "her-lexer" for Haskell source code. (language, library, public-domain)2012-12-270.0.0TimothyHobbs
herb22.00Accessible format for structured data serialization (bsd2, library, program, serialization, text)2025-01-160.1.0.0exaexa
hercules-ci-agent130.01Runs Continuous Integration tasks on your machines (apache, ci, devops, library, nix, program, testing)2024-11-150.10.5RobertHensing
hercules-ci-api40.01Hercules CI API definition with Servant (apache, library, program, unclassified)2024-05-190.8.4.0RobertHensing
hercules-ci-api-agent50.02API definition for Hercules CI Agent to talk to hercules-ci.com or Hercules CI Enterprise (apache, api, ci, devops, library, nix, testing)2024-02-120.5.1.0RobertHensing
hercules-ci-api-core130.04Types and convenience modules use across Hercules CI API packages (apache, api, ci, devops, library, nix, testing)2024-05-020.1.7.0RobertHensing
hercules-ci-cli70.00The hci command for working with Hercules CI (apache, library, program, unclassified)2024-02-120.3.7RobertHensing
hercules-ci-cnix-expr230.02Bindings for the Nix evaluator (apache, ci, devops, library, nix, testing)2024-11-150.3.6.5RobertHensing
hercules-ci-cnix-store80.04Haskell bindings for Nix's libstore (apache, library, nix)2024-11-150.3.6.1RobertHensing
here350.018Here docs & interpolated strings via quasiquotation (bsd3, data, library)2023-08-031.2.14TaylorHedberg
heredoc212.2511multi-line string / here document using QuasiQuotes (library, public-domain, text)2013-05-060.2.0.0JamesFisher
heredocs30.02Heredocument on Haskell (bsd3, library, text)2021-06-180.2.1.1KatsutoshiItoh
herf-time30.01haskell time manipulation in a 'kerf like' style. (bsd3, kerf, library, time)2020-04-280.3.1scottmurphy09
hermes (deprecated)00.00 (deprecated, library, web)2015-10-141.3.4.3AlfredoDiNapoli
hermes-json102.00Fast JSON decoding via simdjson C++ bindings (ffi, json, library, mit, text, web)2023-08-280.6.1.0velveteer
hermit40.02Haskell Equational Reasoning Model-to-Implementation Tunnel (bsd3, formal-methods, language, library, optimization, program, refactoring, reflection, transformation)2016-02-231.0.1AndrewFarmer, AndyGill, NeilSculthorpe, ryanglscott
hermit-syb10.01HERMIT plugin for optimizing Scrap-Your-Boilerplate traversals. (bsd3, language, library, optimization, transformation-)2013-11-180.1.0.0AndrewFarmer
hero-club-five-tenets30.00Think back of the five tenets of hero club (acme, bsd3, library, program)2016-01-240.3.0.3i_amd3
heroku40.03helpers for deploying to Heroku (bsd3, library, web)2015-06-300.1.2.3GregWeber
heroku-persistent60.01Parse DATABASE_URL into configuration types for Persistent (library, mit, unclassified)2016-03-180.2.0PatrickBrisbin, jferris
herringbone20.03A library for compiling and serving static web assets. (library, mit, web)2014-07-270.1.1hdgarrood
herringbone-embed30.01Embed preprocessed web assets in your executable with Template Haskell. (library, mit, web)2014-07-270.1.1hdgarrood
herringbone-wai30.01Wai adapter for the Herringbone web asset preprocessor. (library, mit, web)2014-07-270.1.1hdgarrood
hesh20.00the Haskell Extensible Shell: Haskell for Bash-style scripts (development, library, mit, program)2017-03-071.11.0ChrisForno
hetero-dict20.02Fast heterogeneous data structures (data, library, mit)2016-06-030.1.1.0winterland
hetero-map40.01Pure heterogeneous maps. (bsd3, data, data-structures, library)2009-01-120.21LukePalmer
hetero-parameter-list410.06hetero list with parameter list (bsd3, data, library)2025-02-280.1.0.21YoshikuniJujo
hetero-parameter-list-with-typelevel-tools90.01Hetero parameter list with type level tools (bsd3, data, library)2024-11-060.1.0.1YoshikuniJujo
hetero-zip10.00Zip lists with Traversables (bsd3, data, library)2024-03-020.1.0.0PhilHazelden
heterocephalus390.03A type-safe template engine for working with front end development tools (library, mit, web)2022-07-121.0.5.7arowM
heterogeneous-list-literals10.01Allows the use of tuples as literals for Heterogeneous collections (bsd3, data, library)2018-07-080.2.0.0DavidMD
heterolist20.01A heterogeneous list type (data, library, mit)2017-03-090.2.0.0clinton
hetzner60.00Hetzner Cloud and DNS library. (cloud, library, mit, program)2025-02-150.7.1.1DanielDiaz
heukarya30.01A genetic programming based on tree structure. (ai, bsd3, library)2013-08-110.2.0.2HeChienTsai
hevm132.00Symbolic EVM Evaluator (agpl, ethereum, library, program)2024-12-120.54.2mbrock, MrChico, dxo
hex120.012Convert strings into hexadecimal and back. (bsd3, data, library)2020-09-070.2.0TaruKarttunen
hex-text192.09ByteString-Text hexidecimal conversions (library, mit, text)2023-06-210.1.0.9chris_martin, Monoid_Mary
hexchat20.01Haskell scripting interface for HexChat (library, mit, system)2017-12-060.0.2.0mniip
hexdump20.01A library for forming hexdumps. (library, public-domain, text)2008-08-260.1TimNewsham
hexif (deprecated in favor of hsexif)20.01Reading Exif data form a JPEG file with Haskell (bsd3, deprecated, graphics, library)2014-06-090.2.0.0RolandSenn
hexml90.03XML subset DOM parser (bsd3, library, xml)2024-08-250.3.5NeilMitchell
hexml-lens50.01Lenses for the hexml package (bsd3, lens, library)2022-04-050.2.2PepeIborra
hexpat432.027XML parser/formatter based on expat (bsd3, library, xml)2017-06-210.20.13EvanMartin, StephenBlackheath, lysergia
hexpat-conduit30.00 (bsd3, library, unclassified)2021-04-060.0.1KristofBastiaensen
hexpat-iteratee10.01Chunked XML parsing using iteratees (bsd3, library, xml)2010-06-040.6StephenBlackheath
hexpat-lens50.01Lenses for Hexpat. (library, mit, xml)2020-06-170.1.9JosephAbrahamson, OliverCharles
hexpat-pickle70.04XML picklers based on hexpat, source-code-similar to those of the HXT package (bsd3, library, xml)2012-04-270.6StephenBlackheath
hexpat-pickle-generic (deprecated)100.01Picklers for de/serialising Generic data types to and from XML (bsd3, data, deprecated, library, xml)2013-10-280.1.7BrendanHay
hexpat-streamparser80.01 (bsd3, library, unclassified)2021-04-060.1.3KristofBastiaensen
hexpat-tagsoup40.02Parse (possibly malformed) HTML to hexpat tree (bsd3, library, xml)2011-05-060.1StephenBlackheath
hexpr20.02A framework for symbolic, homoiconic languages. (bsd3, language, library)2014-04-030.0.0.0ZankokuOkuno
hexpress20.01An express-like http framework (library, mit, network)2017-09-010.1.0.0allonsy
hexquote10.01Hexadecimal ByteString literals, with placeholders that bind variables (bsd3, data, library)2011-09-140.1KeeganMcAllister
hexstring40.010Fast and safe representation of a hex string (data, library, mit)2015-04-210.11.1solatis
hext20.00a text classification library (bsd3, library, natural-language-processing, program)2016-09-170.1.0.4aneksteind
hextra51.50Generic and niche utility functions and more for Haskell. (library, mpl, utils)2020-08-181.1.0.1anselmschueler
hextream30.00Streaming-friendly XML parsers (library, parsing, xml)2021-02-270.3.0.0koral
heystone10.01Haskell bindings for the Keystone assembler framework (assembler, bindings, compilers-interpreters, gpl, library)2022-07-080.1.0raehik
heyting-algebras80.01Heyting and Boolean algebras (bsd3, library, math)2021-03-270.2.0.1coot
hfann (deprecated)20.01Haskell binding to the FANN library (ai, bsd3, deprecated, library)2013-07-300.4.2DavidHimmelstrup, OlivierBoudry
hfiar20.01Four in a Row in Haskell!! (bsd3, game, library, program)2010-07-012.1.1FernandoBenavides
hflags62.06Command line flag parser, very similar to Google's gflags (apache, console, library)2017-12-050.4.3GergelyRisko, MihalyBarasz
hfmt42.250Haskell source code formatter (language, library, mit, program)2021-09-070.3.0.0danielstiner
hfoil20.01Hess-Smith panel code for inviscid 2-d airfoil analysis (bsd3, library, numerical, science)2015-05-230.2.0.2GregHorn
hformat60.02Simple Haskell formatting (bsd3, library, text)2018-09-060.3.3.1AlexandrRuchkin
hfov40.01Field-of-view calculation for low-resolution 2D raster grids. (bsd3, game, library)2013-12-121.0.2JeremyApthorp
hfusion10.01A library for fusing a subset of Haskell programs. (bsd3, library, program-transformation)2011-12-120.0.6.1FacundoDominguez
hgal100.02library for computation automorphism group and canonical labelling of a graph (algorithms, data-structures, library)2023-05-122.0.0.3JeanPhilippeBernardy, marcellus
hgalib20.01Haskell Genetic Algorithm Library (ai, library, public-domain)2008-10-020.2KevinEllis
hgdal20.00Haskell binding to the GDAL library (bsd3, geography, library)2023-07-281.0.0.1IanWooKim
hgdbmi10.01GDB Machine Interface: program-driven control of GDB (bsd3, development, library)2013-01-140.2AlexanderBernauer, EvanMartin, srk
hgearman10.01A Gearman client for Haskell. (library, mit, network)2015-08-010.1.0.2jperson
hgeometric10.01A geometric library with bindings to GPC. (library, math, mit)2009-06-250.0.2.2DonaldStewart, GwernBranwen, MarcoSilva
hgeometry272.06Geometric Algorithms, Data structures, and Data types. (bsd3, geometry, library)2022-03-080.14FrankStaals
hgeometry-combinatorial200.05Data structures, and Data types. (bsd3, geometry, library)2022-03-080.14FrankStaals
hgeometry-ipe160.01Reading and Writing ipe7 files. (bsd3, geometry, library)2021-11-130.13FrankStaals
hgeometry-svg50.00Writing geometric primitives from HGeometry as SVG Files (bsd3, geometry, library)2019-10-170.9.0.0FrankStaals
hgeos60.01Simple Haskell bindings to GEOS C API (data, geography, geometry, library, mit, text)2016-08-100.1.8.0rcook
hgettext60.03Bindings to libintl.h (gettext, bindtextdomain) (bsd3, library, program, text)2025-01-130.1.40.2AndreasAbel, HerbertValerioRiedel, VasylPasternak, NH000
hgis60.01Library and for GIS with Haskell (bsd3, library, web)2018-09-081.0.0.3vmchale
hgithub30.01Haskell bindings to the GitHub API (bsd3, library, network, program)2012-04-220.1.0VoMinhThu
hgmp142.257Haskell interface to GMP (bsd3, library, numeric)2022-09-240.1.2.1ClaudeHeilandAllen
hgopher20.01Gopher server (bsd3, library, network)2014-01-120.1.0.0MaxwellSwadling
hgraph80.00Tools for working on (di)graphs. (data, gpl, library)2024-06-131.10.0.0mgmillani
hgreet12.00Haskell module to interact with the greetd daemon trough it's IPC protocol. (gpl, library, network)2022-06-150.1.0.0Vawlpe
hgrep12.00Search Haskell source code from the command line (bsd3, language, library, program)2017-10-040.1TimHumphries
hgrev72.01Compile Mercurial (hg) version info into Haskell code (bsd3, development, library)2020-08-020.2.6wraithm, LukeHoersten
hgrib10.01Unofficial bindings for GRIB API (data, gpl, library)2015-11-070.3.1.0mjakob
hharp10.01Binding to libharp (bsd3, library, web)2015-12-050.1.1.1thoferon
hhp42.00Happy Haskell Programming (bsd3, development, library, program)2023-03-171.0.2KazuYamamoto
hhwloc20.00Bindings to https://www.open-mpi.org/projects/hwloc (foreign, library, mit, system)2020-01-270.2.1dtaskoff
hi60.01Generate scaffold for cabal project (bsd3, distribution, library, program)2018-07-271.2.0.2DaisukeFujimura
hi-file-parser240.01Parser for GHC's hi files (bsd3, development, library)2024-10-220.1.7.0MichaelSnoyman, borsboom, fpcomplete, mpilgrem
hi3status20.00Status line for i3bar. (library, mit, program, system)2015-12-290.1.1.0ScrambledEggs
hid60.00Interface to hidapi library (bsd3, library, system)2016-05-250.2.2DimitriSabadie
hid-examples40.01Examples to accompany the book "Haskell in Depth" (bsd3, library, program, sample-code)2020-04-220.5bravit
hidapi150.05Haskell bindings to HIDAPI (hardware, library, mit)2022-05-050.1.8NiklasHambuechen, PatrickChilton
hidden-char12.01Provides cross-platform getHiddenChar function (command-line-tool, library, mit)2017-12-290.1.0.2rcook
hie-bios700.03Set up a GHC API session (bsd3, development, library, program)2024-04-230.14.0mpickering, fendor
hie-compat420.05HIE files for GHC 8.8 and other HIE file backports (apache, development, library)2023-11-130.3.1.2AlanZimmerman, PepeIborra, wz1000, fendor, jneira, hls_team
hie-core (deprecated in favor of ghcide)20.00The core of an IDE (apache, deprecated, development, library, program)2019-09-070.0.1cocreature
hiedb500.07Generates a references DB from .hie files (bsd3, development, library, program)2024-06-100.6.0.1AlanZimmerman, wz1000, jhrcek
hiedb-plugin30.00See README on Github for more information (development, library, mit)2024-04-020.1.0suzzr0
hieraclus40.01Automated clustering of arbitrary elements in Haskell. (bsd3, clustering, library, math, statistics)2011-09-290.1.2.1PhilippPribbernow
hierarchical-clustering140.010Fast algorithms for single, average/UPGMA and complete linkage clustering. (bsd3, clustering, library)2019-08-180.4.7FelipeLessa
hierarchical-clustering-diagrams120.01Draw diagrams of dendrograms made by hierarchical-clustering. (bsd3, clustering, graphics, library)2019-10-070.4FelipeLessa
hierarchical-env20.00hierarchical environments for dependency injection (bsd3, control, library)2021-05-130.2.0.2autotaker
hierarchical-exceptions30.01Template Haskell functions to easily create exception hierarchies (apache, language, library)2014-01-211.0.1BenjaminBarenblat
hierarchical-spectral-clustering180.02Hierarchical spectral clustering of a graph. (bioinformatics, gpl, library, program)2019-09-260.5.0.1GregorySchwartz
hierarchy40.01Predicated traversal of generated trees (bsd3, data, library)2018-05-111.0.2JohnWiegley, dnadales
hiernotify20.01Notification library for a filesystem hierarchy. (bsd3, library, system)2011-04-122011.4.12PaoloVeronelli
hifi40.00WiFi connection script generator (bsd3, cli, library, program)2018-05-290.1.4.1gonz
higgledy72.01Partial types as a type constructor. (data, library, mit)2023-03-090.4.2.1jonathanlking, i_am_tom
higher-leveldb50.01A rich monadic API for working with leveldb databases. (bsd3, database, library)2020-03-180.6.0.0jeremyjh
higherorder (deprecated)20.02Some higher order functions for Bool and [] (bsd3, composition, deprecated, library)2009-02-090.0
highjson40.02Spec based JSON parsing/serialisation (json, library, mit, text, web)2021-05-170.5.0.0AlexanderThiemann
highjson-swagger40.01Derive swagger instances from highjson specs (json, library, mit, text, web)2021-05-170.5.0.0AlexanderThiemann
highjson-th20.01Template Haskell helpers for highjson specs (json, library, mit, text, web)2021-05-170.5.0.0AlexanderThiemann
highlight40.00Command line tool for highlighting parts of files matching a regex. (bsd3, library, program, text)2022-05-261.0.0.2cdepillabout
highlighter40.02source code highlighting (bsd3, library, text)2012-07-090.2.2AlexSuraci, GuillaumeHoffmann
highlighter250.02source code highlighting (bsd3, library, text)2015-03-200.2.5chemist
highlighting-kate (deprecated in favor of skylighting)1280.014Syntax highlighting (deprecated, library, text)2017-01-310.6.4JohnMacFarlane
highs-lp10.00Linear Programming using HiGHS and comfort-array (bsd3, library, math)2023-12-220.0HenningThielemann
hikchr20.00Haskell wrapper for Pikchr, a PIC-like markup language for diagrams. (bsd3, diagram, library, program, svg)2025-01-180.2.0.0adrian
himg20.01Simple gtk2hs image viewer. Point it at an image and fire away. (gpl, graphics, library, program)2014-02-010.1.0.0MateuszKowalczyk
hindent262.254Extensible Haskell pretty printer (bsd3, development, library, program)2024-11-286.2.1ChrisDone, MihaiMaruseac, gibiansky, sighingnow
hindley-milner20.01Template for Hindley-Milner based languages (language, library, mit)2016-04-230.1.0.0mbg
hindley-milner-type-check40.00Type inference for Hindley-Milner based languages (language, library, mit)2021-06-080.1.1.0AntonKholomiov
hinduce-associations-apriori40.02Apriori algorithm for association rule mining (data-mining, library, mit)2012-02-070.0.0.0RobertHensing
hinduce-classifier60.03Interface and utilities for classifiers (bsd3, data-mining, library)2012-01-270.0.0.1RobertHensing
hinduce-classifier-decisiontree50.02Decision Tree Classifiers for hInduce (bsd3, data-mining, library)2012-01-270.0.0.1RobertHensing
hinduce-examples30.01Example data for hInduce (bsd3, data-mining, library)2012-02-120.0.0.2RobertHensing
hinduce-missingh50.07Utility functions (bsd3, library, utility)2012-01-260.0.0.0RobertHensing
hinfo90.00Command Line App With Info on your Haskell App (bsd3, cli, library, program, utils)2018-08-110.0.3.0ChristopherDavenport
hinit30.00Generic project initialization tool (bsd3, cli, library, program)2021-10-180.2.2Poscat
hinotify690.021Haskell binding to inotify (bsd3, library, system)2025-02-210.4.2DonaldStewart, LennartKolmodin, thomasjm
hinotify-bytestring52.251Haskell binding to inotify, using ByteString filepaths (bsd3, library, system)2016-05-010.3.8.1maerwald
hinotify-conduit50.00inotify conduit sources (bsd3, conduit, library, system)2021-10-100.1.0.1JiriMarsicek
hinquire20.01Generate armet style query strings. (library, mit, network)2014-03-260.1.1joneshf
hinstaller20.02Installer wrapper for Haskell applications (library, system)2008-02-162008.2.16GwernBranwen, MatthewSackman
hint1142.539A Haskell interpreter built on top of the GHC API (bsd3, compilers-interpreters, language, library)2023-10-140.9.0.8gelisam, mvdan
hint-server30.05A server process that runs hint. (bsd3, compilers-interpreters, concurrency, language, library)2016-11-271.4.3CorentinDupont, FernandoBenavides
hinter (deprecated)20.01Runtime Haskell interpreter (GHC API wrapper) (bsd3, compilers-interpreters, deprecated, language, library)2018-05-060.1.0.0
hinterface30.01Haskell / Erlang interoperability library (bsd3, language, library)2020-11-302.0.1SvenHeyll, timo_koepke
hinze-streams20.01Streams and Unique Fixed Points (bsd3, data, library)2009-05-031.0DonaldStewart
hip262.54Haskell Image Processing (HIP) Library. (bsd3, graphics, image-processing, library)2020-05-031.5.6.0lehins
hipbot30.01A library for building HipChat Bots (bsd3, library, web)2015-06-090.5purefn
hipchat-hs30.01Hipchat API bindings in Haskell (bsd3, library, web)2016-06-140.0.4oswynb
hipe (deprecated in favor of hgeometry-ipe)30.01Support for reading and writing ipe7 files (http://ipe7.sourceforge.net) (bsd3, deprecated, geometry, library)2013-01-230.2.0.0FrankStaals
hipsql-api20.02 (bsd3, library, unclassified)2021-04-050.0.0.0carymrobbins
hipsql-client10.00 (bsd3, library, program, unclassified)2021-04-050.0.0.0carymrobbins
hipsql-monad40.02 (bsd3, library, unclassified)2021-04-050.0.0.0carymrobbins
hipsql-server20.01 (bsd3, library, program, unclassified)2021-04-050.0.0.0carymrobbins
hipsql-tx-simple10.00 (bsd3, library, unclassified)2022-09-140.0.0.0carymrobbins
hissmetrics30.01Unofficial API bindings to KISSmetrics. (bsd3, library, web)2014-07-050.5.1FelipeLessa
hist-pl30.01Umbrella package for the historical dictionary of Polish (bsd3, library, natural-language-processing, program)2013-10-050.3.2JakubWaszczuk
hist-pl-dawg10.03A generic, DAWG-based dictionary (bsd3, library, natural-language-processing)2013-10-050.2.1JakubWaszczuk
hist-pl-fusion20.01Merging historical dictionary with PoliMorf (bsd3, library, natural-language-processing)2013-10-050.5.3JakubWaszczuk
hist-pl-lexicon10.03A binary representation of the historical dictionary of Polish (bsd3, library, natural-language-processing)2013-11-060.6.1JakubWaszczuk
hist-pl-lmf10.01LMF parsing for the historical dictionary of Polish (bsd3, library, natural-language-processing)2013-05-170.1.0JakubWaszczuk
hist-pl-transliter40.02A simple EDSL for transliteration rules (bsd3, library, natural-language-processing)2013-06-210.1.1JakubWaszczuk
hist-pl-types20.03Types in the historical dictionary of Polish (bsd3, library, natural-language-processing)2013-05-170.1.0JakubWaszczuk
histogram-fill150.06Library for histograms creation. (bsd3, data, library)2018-10-060.9.1.0AlexeyKhudyakov
histogram-fill-binary50.01Binary instances for histogram-fill package (bsd3, data, library)2017-02-190.8.5.0AlexeyKhudyakov
histogram-fill-cereal50.01Binary instances for histogram-fill package (bsd3, data, library)2017-02-190.8.5.0AlexeyKhudyakov
histogram-simple40.00Simple Data.Map-based histogram (bsd3, data, library)2021-12-061.2jonascarpay
hit-graph10.01Use graph algorithms to access and manipulate Git repos (development, git, graphs, library, public-domain)2016-04-090.1akrasner
hit-on12.00Haskell Git Helper Tool (cli-tool, git, library, mpl, program)2019-08-030.1.0.0vrom911
hix130.00Haskell/Nix development build tools (build, library, program)2025-02-210.8.0tek
hjcase (deprecated)20.01Jcase library for Haskell (data, deprecated, library, mit)2015-05-090.2.0.0seagreen
hjpath60.02XPath-like syntax for querying JSON (bsd3, library, text)2010-07-033.0.1JaroslavGridin
hjs20.01JavaScript Parser (bsd3, compilers-interpreters, library, program)2008-04-030.2.1GwernBranwen, MarkWassell
hjsmin210.014Haskell implementation of a javascript minifier (bsd3, library, program, web)2023-01-110.2.1AlanZimmerman, ErikDeCastroLopo, TonyMorris
hjson50.06JSON parsing library (bsd3, library, text)2011-02-041.3.2JaroslavGridin
hjson-query10.01library for querying from JSON (bsd3, library, text)2011-01-221.0.2YuriyIskra
hjsonpointer (deprecated)211.752JSON Pointer library (data, deprecated, library, mit)2018-09-301.5.0seagreen
hjsonschema (deprecated)80.06JSON Schema library (data, deprecated, library, mit)2020-05-011.10.0seagreen
hjugement120.01Majority Judgment. (gpl, library, politic)2019-04-142.0.2.20190414julm
hjugement-protocol80.00A cryptographic protocol for the Majority Judgment. (gpl, library, politic)2019-11-050.0.10.20191104julm
hkd100.01"higher-kinded data" (data-structures, library)2023-10-150.2.1EdwardKmett, phadej
hkd-default (deprecated in favor of aeson-default)50.00Apply default value for optional field of HKD (bsd3, default, deprecated, hkd, json, library)2020-01-28gqk007
hkd-delta10.00Definition of "Delta structures" for higher kinded data. (bsd3, data, library)2019-06-060.0.1trevorcook
hkd-lens10.00Generic lens/prism/traversal-kinded data. (bsd3, data, library)2019-06-040.0.1trevorcook
hkd-records20.00higher kinded record operations (bsd3, library, records)2022-09-160.0.6KristofBastiaensen
hkdf30.01Implementation of HKDF (RFC 5869) (bsd3, cryptography, library, web)2016-01-050.0.1.1JiriMarsicek
hkt22.01A library for higher kinded types. (bsd3, library, web)2018-05-100.0.1eliaslfox
hlatex20.01A library to build valid LaTeX files (bsd3, library, text)2020-09-210.3.2NicolasPouillard
hlbfgsb10.01Haskell binding to L-BFGS-B version 3.0 (bsd3, library, math)2012-05-040.0.1.0IvanLabath
hlcm12.01Fast algorithm for mining closed frequent itemsets (algorithms, bsd3, data-mining-----------, library, program)2010-06-160.2.2AlexandreTermier
hleap30.01Web Socket interface to Leap Motion controller (hardware, library, mit, program)2019-02-200.2.0.0BrianBush
hledger522.54Command-line interface for the hledger accounting system (console, finance, gpl, library, program)2025-03-131.42.1SimonMichael
hledger-flow40.00An hledger workflow focusing on automated statement import and classification. (console, finance, gpl, library, program)2021-06-240.14.4apauley
hledger-iadd180.00A terminal UI as drop-in replacement for hledger add (bsd3, console, finance, library, program)2024-04-201.3.21SimonMichael, hpdeifel
hledger-lib542.08A library providing the core functionality of hledger (finance, gpl, library)2025-03-131.42.1SimonMichael
hledger-makeitso (deprecated in favor of hledger-flow)50.00An hledger workflow focusing on automated statement import and classification. (console, deprecated, finance, gpl, library, program)2019-04-060.10.0.0apauley
hledger-stockquotes121.750Generate HLedger Price Directives From Daily Stock Quotes. (bsd3, console, finance, library, program)2024-12-160.1.3.2lysergia
hledger-ui830.01Terminal interface for the hledger accounting system (console, finance, gpl, library, program)2025-03-131.42.1SimonMichael
hledger-web420.01Web user interface for the hledger accounting system (finance, gpl, library)2025-03-131.42.1SimonMichael
hlex21.50Simple Lexer Creation (lexer, library, mit)2023-07-081.0.0SebTee
hlibBladeRF10.01Haskell binding to libBladeRF SDR library (ffi, lgpl, library)2015-03-100.1.0.6eocallaghan
hlibcpuid70.00Bindings to https://github.com/anrieff/libcpuid (foreign, library, mit, program, system)2020-01-210.2.0dtaskoff
hlibev60.02FFI interface to libev (bsd3, foreign, library)2011-08-010.4.0AycanIrican
hlibfam10.01FFI interface to libFAM (bsd3, foreign, library)2010-06-120.2AycanIrican
hlibgit2260.04Low-level bindings to libgit2 (ffi, library, mit)2017-02-070.18.0.16JohnWiegley, SakariJokinen
hlibsass80.03Low-level bindings to Libsass (foreign, library, mit)2020-06-170.1.10.1jakubfijalkowski
hlint1282.7514Source code suggestions (bsd3, development, library, program)2025-02-023.10NeilMitchell
hlint-plugin10.00GHC plugin for hlint (bsd3, library, unclassified)2023-09-191.0.2GabrielGonzalez
hlint-test20.00Run hlint in test suite (bsd3, library, program, test)2017-12-290.1.0.0yrid
hlist51.251Heterogeneous list (bsd3, data, library)2018-01-250.0.0.0
hlivy22.00Client library for the Apache Livy REST API (distributed-computing, library, mit)2019-02-081.0.1ddonohue
hlogger (deprecated)20.02Simple, concurrent, extendable and easy-to-use logging library (bsd3, concurrency, deprecated, library, logging)2011-04-120.0.3.0JonKristensen
hlongurl20.01Library and utility interfacing to longurl.org (bsd3, library, program, web)2009-01-250.9.3RobinGreen
hlrdb60.00High-level Redis Database (database, library, mit)2025-03-130.5.0.0identicalsnowflake
hlrdb-core40.01High-level Redis Database Core API (database, library, mit)2022-07-180.2.0.0identicalsnowflake
hls (deprecated)50.02Haskell Lindenmayer Systems (deprecated, graphics, library)2014-11-160.15RohanDrape
hls-alternate-number-format-plugin330.01Provide Alternate Number Formats plugin for Haskell Language Server (apache, development, library)2024-01-152.6.0.0PepeIborra, jneira, Nicksuchecki, hls_team
hls-cabal-fmt-plugin180.01Integration with the cabal-fmt code formatter (apache, development, library)2024-01-152.6.0.0hls_team
hls-cabal-plugin110.01Cabal integration plugin with Haskell Language Server (development, library, mit)2024-01-152.6.0.0hls_team
hls-call-hierarchy-plugin350.01Call hierarchy plugin for Haskell Language Server (apache, development, library)2024-01-152.6.0.0PepeIborra, jneira, hls_team
hls-change-type-signature-plugin160.01Change a declarations type signature with a Code Action (apache, development, library)2024-01-152.6.0.0hls_team
hls-code-range-plugin220.01HLS Plugin to support smart selection range and Folding range (apache, development, library)2024-01-152.6.0.0hls_team
hls-eval-plugin312.01Eval plugin for Haskell Language Server (apache, development, library)2024-01-152.6.0.0PasqualinoAssini, PepeIborra, Ailrun, berberman, jneira, hls_team
hls-exactprint-utils (deprecated in favor of ghcide)10.01Common utilities to interaction between ghc-exactprint and HLS plugins. (apache, deprecated, library, web)2021-01-100.5.0.1AlanZimmerman, HiromiIshii, PepeIborra, Ailrun, isovector, wz1000, luke_, jneira
hls-explicit-fixity-plugin260.01Show fixity explicitly while hovering (apache, development, library)2024-01-152.6.0.0hls_team
hls-explicit-imports-plugin670.02Explicit imports plugin for Haskell Language Server (apache, development, library)2024-01-152.6.0.0PepeIborra, Ailrun, berberman, jneira, hls_team
hls-explicit-record-fields-plugin310.01Explicit record fields plugin for Haskell Language Server (bsd3, development, library)2024-01-152.6.0.0hls_team
hls-fourmolu-plugin230.01Integration with the Fourmolu code formatter (apache, development, library)2024-01-152.6.0.0PepeIborra, Ailrun, jneira, hls_team
hls-graph720.016Haskell Language Server internal graph API (apache, development, library)2025-02-162.9.0.1NeilMitchell, PepeIborra, jneira, hls_team
hls-module-name-plugin400.01Module name plugin for Haskell Language Server (apache, development, library)2024-01-152.6.0.0PepeIborra, jneira, hls_team
hls-ormolu-plugin200.01Integration with the Ormolu code formatter (apache, development, library)2024-01-152.6.0.0PepeIborra, jneira, hls_team
hls-plugin-api720.037Haskell Language Server API for plugin communication (apache, development, library)2025-02-162.9.0.1AlanZimmerman, PepeIborra, wz1000, luke_, berberman, jneira, hls_team
hls-pragmas-plugin210.01Pragmas plugin for Haskell Language Server (apache, development, library)2024-01-152.6.0.0PepeIborra, Ailrun, berberman, jneira, hls_team
hls-qualify-imported-names-plugin240.01A Haskell Language Server plugin that qualifies imported names (apache, development, library)2024-01-152.6.0.0PepeIborra, jneira, eddiemundo, hls_team
hls-refine-imports-plugin190.01Refine imports plugin for Haskell Language Server (apache, development, library)2023-06-282.0.0.1PepeIborra, jneira, hls_team
hls-selection-range-plugin60.00HLS Plugin to support smart selection range (apache, development, library)2022-01-291.0.0.0PepeIborra, jneira, kokobd, hls_team
hls-semantic-tokens-plugin60.01Call hierarchy plugin for Haskell Language Server (apache, development, library)2024-01-152.6.0.0hls_team
hls-test-utils490.00Utilities used in the tests of Haskell Language Server (apache, development, library)2025-02-162.9.0.1PepeIborra, Ailrun, berberman, jneira, hls_team
hlwm30.01Bindings to the herbstluftwm window manager (bsd2, library, system)2016-05-310.1.0.2hpdeifel
hly (deprecated)10.01Haskell LilyPond (deprecated, library, music)2017-11-220.16RohanDrape
hmark10.01A tool and library for Markov chains based text generation. (bsd3, library, program, text)2015-01-231.2JaroslavGridin
hmarkup20.01Simple wikitext-like markup format implementation. (bsd3, library, unclassified)2007-12-063000.0.1BjornBringert
hmatrix442.5125Numeric Linear Algebra (bsd3, library, math)2021-03-080.20.2AlbertoRuiz, DominicSteinitz
hmatrix-backprop70.01hmatrix operations lifted for backprop (bsd3, library, math)2019-08-180.1.3.0jle
hmatrix-banded (deprecated in favor of lapack)20.01HMatrix interface to LAPACK functions for banded matrices (bsd3, deprecated, library, math)2019-03-190.0.0.3HenningThielemann
hmatrix-csv30.02CSV encoding and decoding for hmatrix. (bsd3, data, library)2015-04-080.1.0.2lyzrd
hmatrix-glpk90.02Linear Programming based on GLPK (gpl, library, math)2018-04-220.19.0.0AlbertoRuiz, DominicSteinitz
hmatrix-gsl100.013Numerical computation (gpl, library, math)2018-04-220.19.0.1AlbertoRuiz, DominicSteinitz
hmatrix-gsl-stats180.07GSL Statistics interface (bsd3, ffi, library, math, statistics)2019-06-110.4.1.8VivianMcPhail
hmatrix-mmap20.01Memory map Vector from disk into memory efficiently (bsd3, library, math, system)2011-02-220.0.5AlanFalloon
hmatrix-morpheus112.251Low-level machine learning auxiliary functions. (bsd3, library, math)2018-06-100.1.1.2aignatyev17
hmatrix-nipals20.01NIPALS method for Principal Components Analysis on large data-sets. (lgpl, library, math)2011-02-220.2AlanFalloon
hmatrix-nlopt30.01Interface HMatrix with the NLOPT minimizer (bsd3, library, numerical)2022-04-050.2.0.0peddie
hmatrix-quadprogpp80.01Bindings to the QuadProg++ quadratic programming library (bsd3, library, math)2017-12-150.4.0.0AkioTakano
hmatrix-repa40.01Adaptors for interoperability between hmatrix and repa (bsd3, data, library, math)2016-09-220.1.2.2VivianMcPhail
hmatrix-sparse20.01Sparse linear solver (bsd3, library, math)2018-04-220.19.0.0DominicSteinitz
hmatrix-special150.07Interface to GSL special functions (gpl, library, math)2018-04-220.19.0.0AlbertoRuiz, DominicSteinitz
hmatrix-static10.01hmatrix with vector and matrix sizes encoded in types (library, math)2010-09-120.3.0.2ReinerPope
hmatrix-sundials52.01hmatrix interface to sundials (bsd3, library, math)2019-08-260.20.1.0DominicSteinitz
hmatrix-svdlibc60.03SVDLIBC bindings for HMatrix (bsd3, library, math)2018-09-130.5.0.1BenGamari
hmatrix-syntax30.01MATLAB-like syntax for hmatrix vectors and matrices (gpl, library, math)2012-03-310.1.2.1ReinerPope
hmatrix-tests40.01Tests for hmatrix (bsd3, library, math)2018-04-220.19.0.0AlbertoRuiz, DominicSteinitz
hmatrix-vector-sized150.02Conversions between hmatrix and vector-sized types (bsd3, library, math)2020-02-110.1.3.0jle
hmeap (deprecated)40.01Haskell Meapsoft Parser (deprecated, library, sound)2014-12-050.15RohanDrape
hmemdb70.01In-memory relational database (bsd3, data, database, library)2014-05-100.4.0.0MiguelMitrofanov
hmep22.00HMEP Multi Expression Programming – a genetic programming variant (ai, bsd3, library, program)2017-10-130.1.1penkovsky
hmidi60.05Binding to the OS level MIDI services (bsd3, library, music, system)2020-12-260.2.3.1BalazsKomuves
hmk50.01A make alternative based on Plan9's mk. (control, development, distribution, library, program)2016-01-110.9.7.4MathieuBoespflug
hmm20.01A hidden markov model library (algorithms, bsd3, data-mining, library, machine-learning)2012-03-260.2.1.1MaxRabkin, MikeIzbicki
hmm-hmatrix (deprecated in favor of hmm-lapack)10.01Hidden Markov Models using HMatrix primitives (bsd3, deprecated, library, math)2018-11-130.1.1HenningThielemann
hmm-lapack40.00Hidden Markov Models using LAPACK primitives (bsd3, library, math)2023-01-150.5.0.1HenningThielemann
hmpfr82.04Haskell binding to the MPFR library (bsd3, data, library, math)2022-12-010.4.5AlesBizjak, MichalKonecny
hmt (deprecated)20.08Haskell Music Theory (deprecated, gpl, library, music)2022-12-020.20RohanDrape
hmt-base (deprecated)30.01Haskell Music Theory Base (deprecated, gpl, library, music)2022-12-020.20RohanDrape
hmt-diagrams (deprecated)20.01Haskell Music Theory Diagrams (deprecated, library, music)2014-10-160.15RohanDrape
hnetcdf10.02Haskell NetCDF library (bsd3, data, library, program)2019-02-060.5.0.0DominicSteinitz, IanRoss
hnix132.259Haskell implementation of the Nix language (bsd3, data, library, nix, system)2023-11-200.17.0JohnWiegley, sjakobi, AntonLatukha
hnix-store-core150.07Core types used for interacting with the Nix store. (apache, library, nix)2024-07-310.8.0.0imalsogreg, shlevy, srk, AntonLatukha
hnix-store-db20.00Nix store database support (apache, library, nix)2024-07-310.1.0.0srk
hnix-store-json40.01JSON serialization for core types (apache, library, nix)2024-07-310.1.0.0srk
hnix-store-nar30.03NAR file format (apache, library, nix)2024-10-090.1.1.0srk
hnix-store-readonly40.00Read-only Nix store (apache, library, nix)2024-07-310.1.0.0srk
hnix-store-remote110.01Remote hnix store (apache, library, nix)2024-07-310.7.0.0shlevy, srk, AntonLatukha
hnix-store-tests40.01Test utilities and instances (apache, library, nix)2024-07-310.1.0.0srk
hnn22.01A reasonably fast and simple neural network library (ai, bsd3, library)2016-03-250.3AlpMestanogullari
hnock30.00A Nock interpreter. (language, library, mit, program)2019-10-010.4.0JaredTobin
hnormalise20.00Log message normalisation tool producing structured JSON messages (bsd3, command-line, library, program)2017-12-040.5.1.0AndyGeorges
ho-rewriting30.01Generic rewrite rules with safe treatment of variables and binders (bsd3, language, library)2018-08-110.2.1EmilAxelsson
hoauth40.05A Haskell implementation of OAuth 1.0a protocol. (bsd3, library, network, oauth, protocol)2012-08-300.3.5DiegoSouza
hoauth21382.018Haskell OAuth2 authentication client (library, mit, network, oauth2)2025-03-142.14.3HaishengWu
hoauth2-providers180.01OAuth2 Identity Providers (library, mit, network)2024-05-290.8.0HaishengWu
hoauth2-providers-tutorial190.00tutorial for hoauth2-providers module (library, mit, network, program)2024-05-290.8.0HaishengWu
hob20.01A source code editor aiming for the convenience of use (gpl, ide, library, program)2014-12-270.0.1.0rakatan
hobbits50.01A library for canonically representing terms with binding (bsd3, data-structures, library)2020-12-021.3.1EddyWestbrook
hocd20.00OpenOCD Haskell interface (bsd3, embedded, library, program)2024-01-180.1.3.0srk
hocilib20.01FFI binding to OCILIB (bsd3, database, ffi, library, ocilib, oracle)2016-10-010.2.0Thierry
hocker30.00Interact with the docker registry and generate nix build instructions (apache, library, program, utilities)2020-08-171.0.6ParnellSpringmeyer
hocon30.00Small library for typesafe's configuration specification (bsd3, data, library)2020-12-020.1.0.4aleperaltabazas
hodatime10.01A fully featured date/time library based on Nodatime (bsd3, data, library, time)2020-02-160.2.1.1jason_j
hofix-mtl20.01defining @mtl@-ready monads as * -> * fixed-points (composition, library, monads)2010-08-121.0NicolasFrisby
hogg50.01Library and tools to manipulate the Ogg container format (bsd3, codec, library, program)2012-08-280.4.1.2ConradParker
hoggl30.00Bindings to the Toggl.com REST API (bsd3, library, network, program)2020-03-290.2.0.1RobinGreen, markus1189
hogre20.03Haskell binding to a subset of OGRE (graphics, library, mit)2012-06-160.1.5AnttiSalonen
hois10.02OIS bindings (bsd3, gui, library, program)2013-03-310.1.0.0DavidEichmann
hoist-error30.03Some convenience facilities for hoisting errors into a monad (control, library, mit)2024-05-060.3.0.0JonSterling, schalmers, qfpl, jack
hol30.01Higher order logic (library, logic, mit, program)2022-08-081.4JoeHurd
hold-em12.01An engine for Texas hold'em Poker (bsd3, game, library)2014-10-310.1.0.0jxv
hole21.251Higher kinded type removal (bsd3, data, library)2013-09-080.1.1ThomasEding
holey-format (deprecated in favor of formatting)50.01None (bsd3, deprecated, library, unclassified)2014-12-082.1.0
holidays30.00Library for country public holidays (date, library, mit)2025-02-170.2.0.0danielc777888
holmes22.00Tools and combinators for solving constraint problems. (data, library, mit)2021-01-040.3.2.0i_am_tom
holy-project42.01Start your Haskell project with cabal, git and tests. (development, library, mit, program)2015-08-240.2.0.1yogsototh
homeomorphic30.02Homeomorphic Embedding Test (bsd3, library, math)2008-04-030.1NeilMitchell
hommage10.02Haskell Offline Music Manipulation And Generation EDSL (bsd3, library, sound)2010-03-190.0.6DanielVanDenEijkel, DonaldStewart
hommage-ds10.01DirectSound extension (Windows) for the Hommage sound library (library, sound)2009-08-010.0.5DanielVanDenEijkel
homoiconic10.01Constructs FAlgebras from typeclasses, making Haskell functions homoiconic (bsd3, development, library)2016-06-180.1.2.0MikeIzbicki
homotuple80.02Homotuple, all whose elements are the same type (apache, data, library)2023-08-180.2.1.1kakkun61
homplexity71.251Haskell code quality tool (bsd3, language, library, program, tools)2022-10-090.4.8.1MichalGajda
homura-stopwatch60.00 (library, mit, program, unclassified)2020-09-300.2.0ncaq
honeycomb82.01 (bsd3, library, unclassified)2023-05-050.1.0.1IanDuncan
honi30.01OpenNI 2 binding (graphics, library, mit)2014-02-100.1.0.0NiklasHambuechen, PatrickChilton
honk60.01Cross-platform interface to the PC speaker. (apache, library, sound)2015-07-121.3.0.0ChrisWong
hood50.02Debugging by observing in place (bsd3, debug, library, trace)2018-01-190.3.1AndyGill, ryanglscott
hood-off10.01Dummy package to disable Hood without having to remove all the calls to observe (bsd3, debug, library, trace)2014-05-060.2PepeIborra
hood220.01Debugging by observing in place (bsd3, debug, library, trace)2015-05-070.2.1rayqiu
hoodle30.01Executable for hoodle (application, gpl, library, program)2016-07-250.5IanWooKim
hoodle-builder20.02text builder for hoodle file format (bsd3, library, text)2016-07-250.4IanWooKim
hoodle-core30.02Core library for hoodle (application, bsd3, library)2016-07-250.16.0IanWooKim
hoodle-parser20.03Hoodle file parser (bsd3, library, text)2016-07-250.4IanWooKim
hoodle-publish40.02publish hoodle files as a static web site (application, bsd3, library, program)2016-07-250.2.1IanWooKim
hoodle-render60.03Hoodle file renderer (bsd3, graphics, library)2016-07-250.6IanWooKim
hoodle-types40.06Data types for programs for hoodle file format (bsd3, data, library)2016-07-250.4IanWooKim
hoogle532.56Haskell API Search (bsd3, development, library, program)2024-01-145.0.18.4NeilMitchell
hooks-dir20.01run executables in a directory as hooks (bsd3, library, system)2014-09-290.1.1.0ibotty
hookup90.02Abstraction over creating network connections with SOCKS5 and TLS (library, network)2023-11-260.8EricMertens
hoop20.00Object-Oriented Programming in Haskell (language, library, mit)2020-07-040.3.0.0mbg
hoopl52.259A library to support dataflow analysis and optimization (bsd3, compilers-interpreters, library)2017-10-293.10.2.2AndreasVoellmy, AustinSeipp, HerbertValerioRiedel, IanLynagh, NingWang, NormanRamsey
hopencc20.01Haskell binding to libopencc (bsd3, language, library)2019-10-060.2.0.0PaulMeng
hopencl10.01Haskell bindings for OpenCL (bsd3, foreign, library)2014-03-190.2.1MartinDybdal, MerijnVerstraaten
hopenssl120.04FFI Bindings to OpenSSL's EVP Digest Interface (bsd3, cryptography, foreign, library)2023-01-162.2.5PeterSimons
hopfield20.01Hopfield Networks, Boltzmann Machines and Clusters (ai, library, machine-learning, mit, program)2014-04-090.1.0.2NiklasHambuechen
hopfield-networks72.01Hopfield Networks for unsupervised learning in Haskell (library, math, mit, program)2013-11-200.1.0.0ajtulloch
hopfli30.01Bidings to Google's Zopfli compression library (apache, codec, library)2017-06-170.2.2.1ananthakumaran, contivero
hoppy-docs50.01C++ FFI generator - Documentation (agpl, foreign, library)2024-06-020.9.0khumba
hoppy-generator200.04C++ FFI generator - Code generator (agpl, foreign, library)2024-06-020.9.0khumba
hoppy-runtime160.02C++ FFI generator - Runtime support (apache, foreign, library)2024-06-020.9.0khumba
hoppy-std70.01C++ FFI generator - Standard library bindings (apache, foreign, library)2024-06-020.9.0khumba
hops40.00Handy Operations on Power Series (bsd3, library, math, program)2017-07-030.7.2AndersClaesson
hora40.01date time (library, public-domain, system, time)2018-08-172.2.0procione
horizon20.01Sunrise and sunset UTC approximations from latitude and longitude coordinates (bsd3, data, library)2015-02-260.1.1intractable
horizon-gen-nix30.00Generate nix expressions from horizon-spec definitions (library, mit, nix, package-management, program)2023-02-040.6locallycompact
horizon-spec40.03Horizon Stable Package Set Type Definitions (library, mit, package-management)2023-03-050.9.0locallycompact, milloni
horizon-spec-lens20.00Horizon Stable Package Set Lenses (library, mit, package-management)2023-02-230.1locallycompact
horizon-spec-pretty10.00Horizon Stable Package Set Pretty Printer (library, mit, package-management)2023-02-240.0.1locallycompact
horizontal-rule50.00horizontal rule for the terminal (library, mit, program, utils)2024-12-040.7.0.0TravisCardwell
horname30.00Rename function definitions returned by SMT solvers (bsd3, library, program, web)2019-07-140.2.0.0cocreature
hosc460.030Haskell Open Sound Control (gpl, library, sound)2025-01-150.21.1AlexMcLean, HenningThielemann, PaoloVeronelli, RohanDrape, MatthewKaney, MartinGius
hosc-json (deprecated)40.01Haskell Open Sound Control JSON Serialisation (deprecated, library, sound)2017-11-220.16RohanDrape
hostaddress50.00Network Host Addresses (library, mit, network)2021-10-230.2.0.0larsk
hostname350.033A very simple package providing a cross-platform means of determining the hostname (bsd3, library, network)2010-05-061.0MaxBolingbroke
hostname-validate90.02Validate hostnames e.g. localhost or foo.co.uk. (bsd3, library, network)2013-08-131.0.0ChrisDone
hotel-california50.00 (bsd3, library, program, unclassified)2025-03-080.0.6.1parsonsmatt
hotswap (deprecated)30.01Simple code hotswapping. (bsd3, deprecated, library, system)2012-05-060.1.9.13MikeLedger
hourglass722.028simple performant time related library (bsd3, library, time)2018-08-240.2.12VincentHanquez
hourglass-fuzzy-parsing32.01A small library for parsing more human friendly date/time formats. (bsd3, library, parsing, time)2015-07-240.1.0.1TannerDoshier
hourglass-orphans70.01Orphan Aeson instances to hourglass (bsd3, library, web)2017-04-150.1.0.0psibi
houseman20.00A Haskell implementation of Foreman (development, library, mit, program)2016-05-060.1.0DaisukeFujimura
hout20.00Non-interactive proof assistant monad for first-order logic. (bsd3, library, logic, type-system)2020-04-110.1.0.0ivanbakel
hp2any-core30.03Heap profiling helper library (bsd3, development, library, profiling, utils)2013-03-040.11.2GergelyPatai
hpack762.010A modern format for Haskell packages (development, library, mit, program)2025-01-240.38.0SimonHengel, SoenkeHahn, mpilgrem
hpack-convert82.01Convert Cabal manifests into hpack's package.yamls (development, library, mit, program)2017-06-221.0.1yamadapc
hpack-dhall50.00hpack's dhalling (bsd3, development, library, program, public-domain)2022-04-270.5.7philderbeast
hpaco-lib30.01Modular template compiler library (bsd3, development, library)2014-07-310.28.0.5TobiasDammers
hpapi20.01Binding for the PAPI library (bsd3, library, system)2008-11-120.0.1.0MichaelAdams
hpc170.018Code Coverage Library for Haskell (bsd3, control, library)2024-05-020.7.0.2AustinSeipp, BenGamari, HerbertValerioRiedel, IanLynagh, wz1000, DavidBinder
hpc-codecov120.00Generate reports from hpc data (bsd3, data, library, program, test)2024-07-090.6.2.0AtsuroHoshino
hpc-coveralls202.01Coveralls.io support for Haskell. (bsd3, control, library, program)2017-05-131.0.10killy971
hpc-lcov110.00Convert HPC output into LCOV format (bsd3, control, library, program)2024-12-211.2.0brandonchinn178
hpc-strobe30.01Hpc-generated strobes for a running Haskell program (bsd3, debug, library, trace)2009-05-080.1ThorkilNaur
hpc-threshold40.00Ensure the code coverage is above configured thresholds (bsd3, development, library, program)2018-04-250.1.0.3eckyputrady
hpdft120.01A tool for looking through PDF file using Haskell (library, mit, pdf, program)2023-08-220.1.1.3keiichiroShikano
hpio20.01Monads for GPIO in Haskell (bsd3, library, system)2019-01-040.9.0.7dhess
hpke50.00Hybrid Public Key Encryption (bsd3, cryptography, library)2025-03-110.0.0KazuYamamoto
hplayground40.01monadic, reactive Formlets running in the Web browser (bsd3, library, web)2015-04-120.1.3.1AlbertoCorona
hpp150.02A Haskell pre-processor (bsd3, development, library, program)2022-04-040.6.5AnthonyCowley
hpqtypes520.06Haskell bindings to libpqtypes (bsd3, database, library)2024-03-181.12.0.0GracjanPolak, MikhailGlushenkov, arybczak, jonathanjouty, jsynacek
hpqtypes-effectful100.00Adaptation of the hpqtypes library for the effectful ecosystem. (bsd3, database, library)2024-03-181.0.2.0arybczak
hpqtypes-extras230.01Extra utilities for hpqtypes library (bsd3, database, library)2025-03-121.17.0.0MikhailGlushenkov, arybczak, trin_cz, jonathanjouty, jsynacek
hprotoc160.01Parse Google Protocol Buffer specifications (bsd3, library, program, text)2020-11-052.4.17ChrisKuklewicz, DavidFeng, TvH, k_bx
hprotoc-fork10.01Parse Google Protocol Buffer specifications (bsd3, library, program, text)2014-08-282.0.16.1StefanWehr
hprox60.00a lightweight HTTP proxy server, and more (apache, library, program, proxy, web)2025-01-190.6.4BinJin
hps (deprecated)50.04Haskell Postscript (deprecated, graphics, library)2017-11-220.16RohanDrape
hps-cairo (deprecated)20.01Cairo rendering for the haskell postscript library (deprecated, graphics, library, program)2011-11-220.11RohanDrape
hps-kmeans10.01A nice implementation of the k-Means algorithm. (algorithms, clustering, data-mining, gpl, library, math, pattern-recognition, statistics)2012-07-100.1.0.0RodrigoGadea
hpuz30.01Haskell bindings for libpuz (crosswords, library)2014-05-081.1.2ChrisCasinghino
hpygments20.02Highlight source code using Pygments (library, mit, text)2016-01-070.2.0DavidLazar, yamadapc
hpython32.00Python language tools (bsd3, language, library, program)2019-05-020.3qfpl
hq (deprecated in favor of HQu)52.00Quantitative Library (bsd3, deprecated, finance, library)2021-07-080.1.0.11ghais
hqcsim12.00A library for simulating quantum circuits. (algorithms, bsd3, library, program)2024-08-150.1.0.023ars
hquantlib20.01HQuantLib is a port of essencial parts of QuantLib to Haskell (finance, lgpl, library, program)2024-12-180.0.5.2PavelRyzhov
hquantlib-time60.01HQuantLib Time is a business calendar functions extracted from HQuantLib (finance, library)2024-12-180.1.1PavelRyzhov
hquery30.02A query language for transforming HTML5 (library, mit, web)2014-06-030.1.1.0TychoAndersen
hreader60.02Generalization of MonadReader and ReaderT using hset (bsd3, control, library)2023-10-181.1.1AlekseyUymanov
hreader-lens60.01Optics for hreader package (data, library, mit)2017-05-310.1.3.0dredozubov
hreq-client10.01A Type dependent Highlevel HTTP client library. (library, mit, network, program, web)2019-11-260.1.1.0epicallan
hreq-conduit10.00Conduit streaming support for Hreq. (conduit, library, mit, network, web)2019-11-130.1.0.0epicallan
hreq-core40.02Core functionality for Hreq Http client library (library, mit, network, web)2019-11-260.1.1.0epicallan
hrfsize100.00File size in human readable format (bsd3, library, system)2019-06-290.0.2librerush
hriemann40.00A Riemann Client for Haskell (library, mit, monitoring, program)2020-12-040.3.3.4shmish111
hruby130.02Embed a Ruby intepreter in your Haskell program ! (bsd3, language, library)2023-11-070.5.1.0SimonMarechal
hs20.00GHC-toolchain installer broker (bsd3, development, library, program)2021-07-060.1.0.2ChrisDornan
hs-GeoIP70.02Haskell bindings to the MaxMind GeoIPCity database via the C library (bsd3, data, library)2013-03-150.3OzgunAtaman
hs-asapo20.00Haskell bindings for ASAP:O (distributed-computing, ffi, library, mit, system)2024-08-260.9.0pimiddy
hs-aws-lambda40.00A modern and easy-to-use wrapper for Docker-based Lambda implementations. Now with API Gateway support! (aws, library)2021-07-120.2.0.0RobertFischer
hs-bibutils190.04Haskell bindings to bibutils, the bibliography conversion utilities. (library, text)2020-04-136.10.0.0AndreaRossato, wilx
hs-blake220.02A cryptohash-inspired library for blake2 (bsd3, data, library)2014-04-300.0.2tsuraan
hs-brotli20.01Compression and decompression in the brotli format (bsd3, library, web)2017-10-280.1.0.0IanDuncan
hs-captcha90.01Generate images suitable for use as CAPTCHAs in online web-form security. (bsd3, graphics, library)2009-10-301.0IreneKnapp
hs-carbon40.01A Haskell framework for parallel monte carlo simulations (library, mit, simulation)2015-07-230.1.1.0cholmgreen
hs-cdb10.01A library for reading CDB (Constant Database) files. (bsd3, database, library)2022-12-150.1.2AdamSmith
hs-conllu30.01Conllu validating parser and utils. (lgpl, library, program, unclassified)2021-04-170.1.5odanoburu
hs-di22.01Dependency Injection library for Haskell (bsd3, control, dependency-injection, development, library, program, template-haskell, testing)2016-09-260.3.0Wizek
hs-dotnet12.01Pragmatic .NET interop for Haskell (.net, bsd3, library)2009-04-180.4.0SigbjornFinne
hs-duktape30.01Haskell bindings for a very compact embedded ECMAScript (JavaScript) engine. (library, mit, web)2019-02-281.0.0valpackett
hs-excelx10.01HS-Excelx provides basic read-only access to Excel 2007 and 2010 documents in XLSX format. (bsd3, data, library)2013-01-280.6.0.0MarkBaran
hs-ffmpeg10.01Bindings to FFMPEG library (bsd3, library, media)2009-10-270.3.4VasylPasternak
hs-fltk10.01Binding to GUI library FLTK (bsd3, library, user-interfaces)2008-03-090.2.5GwernBranwen
hs-functors (deprecated)20.08Functors from products of Haskell and its dual to Haskell (bsd3, deprecated, library, math)2020-08-040.1.7.1
hs-gchart40.01Haskell wrapper for the Google Chart API (bsd3, graphics, library)2020-07-250.4.2DeepakJois, tomjaguarpaw
hs-gizapp30.01Haskell wrapper around the GIZA++ toolkit. (bsd3, library, natural-language-processing)2010-04-120.1.0.3EricKow
hs-highlight252.00A tool to highlight terminal strings (development, library, mit, program)2025-02-261.0.4lorenzo_wb
hs-inspector70.01Haskell source code analyzer (language, library, mit)2015-05-140.5.2.0flbulgarelli
hs-ix (deprecated)20.00Indexed applicative functors and monads (bsd3, deprecated, library, unclassified)2020-08-040.2.0.0
hs-java10.01Java .class files assembler/disassembler (bsd3, jvm, library)2018-03-310.4.1IlyaPortnov
hs-json-rpc20.01JSON-RPC client library (bsd3, library, network)2012-02-090.0.0.1LoicArjanen
hs-mesos20.01 (library, mit, program, system)2015-06-040.20.3.0IanDuncan
hs-multiaddr12.01Multiaddr library (apache, data, library)2018-04-250.1.4CMCDragonkai
hs-openmoji-data30.00The OpenMoji emoji dataset (bsd3, data, library, program, text)2024-01-2615.0.0abrar
hs-opentelemetry-api360.027OpenTelemetry API for use by libraries for direct instrumentation or wrapper packages. (bsd3, library, metrics, monitoring, observability, opentelemetry, telemetry)2024-11-240.2.0.0IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-awsxray30.00[synopsis] (library, mit, utils)2023-03-010.1.0.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
hs-opentelemetry-exporter-handle60.00 (bsd3, library, unclassified)2024-11-240.0.1.2IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-exporter-in-memory120.00 (bsd3, library, unclassified)2024-11-240.0.1.4IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-exporter-otlp340.02OpenTelemetry exporter supporting the standard OTLP protocol (bsd3, library, metrics, monitoring, observability, opentelemetry, telemetry)2024-11-240.1.0.0IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-instrumentation-auto40.00Plugin for instrumenting an application (bsd3, development, library)2024-03-310.1.0.1aaronallen8455
hs-opentelemetry-instrumentation-cloudflare40.00 (bsd3, library, unclassified)2024-11-240.2.0.1IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-instrumentation-conduit70.01 (bsd3, library, unclassified)2024-11-240.1.0.1IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-instrumentation-hspec40.00 (bsd3, library, unclassified)2024-11-240.0.1.2IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-instrumentation-http-client80.00 (bsd3, library, unclassified)2024-11-240.1.0.1IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-instrumentation-persistent160.01 (bsd3, library, unclassified)2024-11-240.1.0.1IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-instrumentation-postgresql-simple130.00 (bsd3, library, unclassified)2024-11-240.2.0.0IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-instrumentation-tasty40.00 (bsd3, library, unclassified)2024-11-240.1michaelpj
hs-opentelemetry-instrumentation-wai220.03WAI instrumentation middleware for OpenTelemetry (bsd3, library, opentelemetry, web)2024-11-240.1.1.0IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-instrumentation-yesod80.00Yesod middleware for providing OpenTelemetry instrumentation (bsd3, library, opentelemetry, web)2024-11-240.1.1.0IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-otlp190.01OpenTelemetry protocol buffer modules generated for the OTLP protocol by the proto-lens package (bsd3, library, opentelemetry)2024-11-240.1.0.0IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-propagator-b3220.01Trace propagation via HTTP headers following the b3 tracestate spec. (bsd3, library, opentelemetry, tracing, web)2024-11-240.0.1.2IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-propagator-datadog140.02Datadog Propagator for OpenTelemetry (bsd3, library, telemetry)2024-11-250.0.1.0IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-propagator-w3c280.03Trace propagation via HTTP headers following the w3c tracestate spec. (bsd3, library, opentelemetry, tracing, web)2024-11-240.0.1.4IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-sdk270.09OpenTelemetry SDK for use in applications. (bsd3, library, metrics, monitoring, observability, opentelemetry, telemetry)2024-11-240.1.0.0IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-utils-exceptions140.01 (bsd3, library, unclassified)2024-11-240.2.0.1IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-opentelemetry-vendor-honeycomb70.01Optional OpenTelemetry integration for Honeycomb (bsd3, library, opentelemetry)2024-11-240.0.1.2IanDuncan, OliverCharles, PatrickBrisbin, kakkun61, velveteer, michaelpj
hs-pattrans20.00DSL for musical patterns and transformation, based on contravariant functors. (bsd3, language, library, program)2020-02-120.1.0.2omelkonian
hs-pgms10.01Programmer's Mine Sweeper in Haskell (bsd3, game, library, program)2008-06-180.1.0.1BertramFelgenhauer
hs-php-session70.02PHP session and values serialization (bsd3, data, library)2014-10-250.0.9.3elblake
hs-pkg-config20.01Create pkg-config configuration files (bsd3, data, development, library)2014-12-240.2.1.0PeterTrsko
hs-pkpass30.01A library for Passbook pass creation & signing (apple, bsd3, library)2012-10-170.4VincentAmbo, MarcScholten
hs-popen50.00Bindings to C pipe functions. (bsd3, library, program, system)2016-06-280.1.0.0deech
hs-profunctors (deprecated in favor of hs-functors)40.00Profunctors from Haskell to Haskell (bsd3, deprecated, library, unclassified)2019-04-010.1.0.0
hs-re10.01Easy to use Regex (library, mit, unclassified)2015-02-260.1.0SKAhack
hs-rqlite20.00A Haskell client for RQlite (bsd3, database, library)2019-08-280.1.2.0kderme
hs-rs-notify50.00Experimental! Wraps this awesome rust library so you can use it in haskell. https://docs.rs/crate/notify (bsd3, library, program, web)2018-02-280.1.0.18stoeffel
hs-samtools70.00Read and write SAM, BAM, and CRAM files. (bioinformatics, bsd3, library)2024-07-150.10.0.3MatthewMosior
hs-scrape10.01Simple and easy web scraping and automation in Haskell. (library, mit, web)2014-12-290.1.0.0codygman
hs-sdl-term-emulator20.00Terminal Emulator written in Haskell, SDL2 Backend (library, mit, program, terminal)2021-07-300.1.0.4BitConnor
hs-server-starter62.01Write a server supporting Server::Starter's protocol in Haskell (bsd3, library, value)2020-10-100.1.2.0hiratara
hs-speedscope30.00Convert an eventlog into the speedscope json format (bsd3, development, library, program)2020-12-190.2.1OliverCharles, mpickering, teo
hs-swisstable-hashtables-class40.00Data.HashTable.Class instance definition for Data.HashTable.ST.Swiss (bsd3, data, library)2021-02-150.1.0.0nakaji_dayo
hs-tango50.00Bindings to the Tango Controls system (bindings, client, distributed-systems, ffi, foreign, hardware, library, mit, science)2025-03-072.0.1pimiddy
hs-term-emulator20.01Terminal Emulator written in 100% Haskell (library, mit, terminal)2021-07-300.1.0.4BitConnor
hs-twitter40.02Haskell binding to the Twitter API (bsd3, library, web)2009-05-280.2.8SigbjornFinne
hs-vcard20.01Implements the RFC 2426 vCard 3.0 spec (bsd3, library, text)2011-04-280.1MichaelSchade
hs-watchman10.01Client library for Facebook's Watchman tool (library, mit, system)2021-03-150.0.1.0BitConnor
hs-zstd (deprecated in favor of zstd)40.00Haskell bindings to the Zstandard compression algorithm (bsd3, codec, deprecated, library)2019-05-180.1.1.1luispedro
hs2048 (deprecated)20.01A 2048 clone in Haskell. (deprecated, game, library, mit, program)2014-04-020.1.0taylorfausak, fozworth
hs2ats52.01Create ATS types from Haskell types (ats, bsd3, haskell, language, library, program)2019-10-170.5.0.1vmchale
hs2ps30.00Translate Haskell types to PureScript (library, mit, purescript)2020-02-140.1.4.0WilliamRusnack
hsConfigure70.01By using this package, you can make application configurable. (library, unclassified)2014-09-030.1.0.2YoshikuniJujo
hsI2C10.01I2C access for Haskell and Linux (bsd3, hardware, i2c, library)2017-10-240.1.3MarcFontaine
hsPID30.01PID control loop (control, lgpl, library)2018-11-250.1.2jlamothe
hsSqlite320.01Sqlite3 bindings (database, library)2009-10-190.1EvgenyJukov, MauricioAntunes
hsXenCtrl (deprecated)30.01FFI bindings to the Xen Control library. (bsd3, deprecated, library, system)2010-12-030.2.0ThomasDuBuisson
hsakamai30.00Akamai API(Edgegrid and Netstorage) (bsd3, library, program, web)2019-03-070.1.0.1junjihashimoto
hsaml220.01OASIS Security Assertion Markup Language (SAML) V2.0 (apache, library, network, security, web)2022-02-030.1.2DylanSimon
hsass80.05Integrating Sass into Haskell applications. (library, mit, text)2018-11-250.8.0jakubfijalkowski
hsautogui40.00Haskell bindings for PyAutoGUI, a library for automating user interaction (automation, bsd3, library)2021-01-090.3.0MitchellVitez
hsbencher50.03Launch and gather data from Haskell and non-Haskell benchmarks. (bsd3, development, library)2015-04-261.20.0.5JoelSvensson, RyanNewton
hsbencher-codespeed30.01Backend for uploading benchmark data to CodeSpeed (bsd3, library, unclassified)2015-04-260.1.0.1RyanNewton
hsbencher-fusion70.01Backend for uploading benchmark data to Google Fusion Tables. (bsd3, library, program, unclassified)2015-04-260.3.15.2RyanNewton
hsblst10.01Haskell bindings to BLST (cryptography, library, mpl)2024-12-140.0.4lierdakil, gromak, dcastro, serokell
hsc330.020Haskell SuperCollider (gpl, library, sound)2024-12-200.21HenningThielemann, RohanDrape
hsc3-auditor (deprecated)50.01Haskell SuperCollider Auditor (deprecated, library, sound)2014-10-160.15RohanDrape
hsc3-cairo (deprecated)30.02haskell supercollider cairo drawing (deprecated, library, sound)2013-04-270.14RohanDrape
hsc3-data (deprecated)20.01haskell supercollider data (deprecated, library, sound)2014-11-300.15RohanDrape
hsc3-db (deprecated)20.02Haskell SuperCollider Unit Generator Database (deprecated, library, sound)2014-10-110.15RohanDrape
hsc3-dot (deprecated)40.01haskell supercollider graph drawing (deprecated, library, sound)2017-11-220.16RohanDrape
hsc3-graphs (deprecated)20.01Haskell SuperCollider Graphs (deprecated, library, program, sound)2014-10-130.15RohanDrape
hsc3-lang (deprecated)50.04Haskell SuperCollider Language (deprecated, library, sound)2014-10-110.15RohanDrape
hsc3-plot (deprecated)20.02Haskell SuperCollider Plotting (deprecated, library, sound)2014-10-310.15RohanDrape
hsc3-process20.02Create and control scsynth processes (library, sound)2013-11-190.10.0StefanKersten
hsc3-rec (deprecated)30.01Haskell SuperCollider Record Variants (deprecated, library, sound)2013-04-270.14.1RohanDrape
hsc3-rw (deprecated)30.01hsc3 re-writing (deprecated, library, sound)2014-10-220.15RohanDrape
hsc3-server10.01SuperCollider server resource management and synchronization. (library, sound)2015-05-150.10.0StefanKersten
hsc3-sf (deprecated)20.04Haskell SuperCollider SoundFile (deprecated, library, sound)2014-10-140.15RohanDrape
hsc3-sf-hsndfile (deprecated)60.03Haskell SuperCollider SoundFile (deprecated, library, sound)2014-10-140.15RohanDrape
hsc3-unsafe (deprecated)40.02Unsafe Haskell SuperCollider (deprecated, library, sound)2013-04-270.14RohanDrape
hsc3-utils (deprecated)20.02Haskell SuperCollider Utilities (deprecated, library, program, sound)2014-10-230.15RohanDrape
hscaffold20.00Very simple file/directory structure scaffolding writer monad EDSL (development, library, mit, program)2016-11-150.4.5.0yamadapc
hscamwire10.01Haskell bindings to IIDC1394 cameras, via Camwire (library, system)2009-07-100.2.1AdamBergmark, FrederickRoss
hscassandra20.01cassandra database interface (bsd3, database-, library)2011-03-170.0.7KirkPeterson
hscd20.01Command line client and library for SoundCloud.com (bsd3, library, network, program)2012-04-080.0.3SebastianMagri
hscdio20.00Haskell bindings to the libcdio disc-reading library. (gpl, library, sound)2021-06-050.1.0.0ageitilt
hscharm40.00minimal ncurses-like library (bsd3, gui, library, program)2018-04-060.0.2AndrewPennebaker
hschema30.03Describe schemas for your Haskell data types. (data, lgpl, library, schema)2018-11-140.0.1.1alonsodomin
hschema-aeson30.01Describe schemas for your Haskell data types. (data, json, lgpl, library, schema)2018-11-140.0.1.1alonsodomin
hschema-prettyprinter60.01Describe schemas for your Haskell data types. (data, lgpl, library, schema, text)2018-11-140.0.1.1alonsodomin
hschema-quickcheck60.01Describe schemas for your Haskell data types. (data, lgpl, library, schema, testing)2018-11-140.0.1.1alonsodomin
hscim30.01hscim json schema and server implementation (agpl, library, program, web)2024-11-250.4.0.6PaoloCapriotti, MatthiasFischmann, battermann, supersven
hscolour700.038Colourise Haskell code. (language, library, program)2023-08-301.25DonaldStewart, MalcolmWallace, phadej
hscuid20.00Collision-resistant IDs (bsd3, library, program, web)2017-04-281.2.0.1DanielBuckmaster
hscurses140.05NCurses bindings for Haskell (library, user-interface)2025-01-191.5.0.0AndreaVezzosi, BertramFelgenhauer, DinoMorelli, GwernBranwen, StefanWehr, kenranunderscore
hsdev120.01Haskell development library (bsd3, development, library, program)2020-11-040.3.4.0AlexandrRuchkin
hsdif (deprecated)30.01Haskell SDIF (deprecated, library, sound)2013-04-270.14RohanDrape
hsdip20.01hsdip - a Diplomacy parser/renderer (bsd3, library, program, system)2008-02-240.1GwernBranwen
hsdns90.04Asynchronous DNS Resolver (foreign, lgpl, library, network)2019-01-231.8GwernBranwen, PeterSimons
hsdns-cache (deprecated in favor of concurrent-dns-cache)30.01Caching asynchronous DNS resolver. (bsd3, deprecated, library, network)2013-05-301.0.4VladimirShabanov
hse-cpp92.04Preprocess+parse haskell code (language, library, mit)2016-10-060.2AdamBergmark, DavidHimmelstrup, RomanCheplyaka, PhilippSchuster
hsebaysdk30.01Haskell eBay SDK (bsd3, library, web)2020-04-130.4.1.0ChristopherReichert, CodyReichert
hsec-core20.02Core package representing Haskell advisories (bsd3, data, library)2024-05-300.1.0.0frasertweedale
hsec-sync30.00Synchronize with the Haskell security advisory database (bsd3, data, library, program)2024-05-300.1.0.0frasertweedale
hsec-tools20.00Tools for working with the Haskell security advisory database (bsd3, data, library, program)2024-05-300.1.0.0frasertweedale
hsemail240.07Parsec parsers for the Internet Message format (e-mail) (bsd3, library, parsing)2024-02-022.2.2GwernBranwen, PeterSimons
hsemail-ns30.01Internet Message Parsers (bsd3, library, parsing)2017-12-111.7.7JoeFredette, phlummox
hset90.03Primitive list with elements of unique types. (bsd3, data, library)2015-10-292.2.0AlekseyUymanov
hsexif240.02EXIF handling library in pure Haskell (bsd3, graphics, library)2023-05-130.6.1.10EmmanuelTouzery
hsfacter (deprecated in favor of language-puppet)40.01A small and ugly library that emulates the output of the puppet facter program. (deprecated, gpl, library, system)2013-05-160.2.1SimonMarechal
hsforce20.00Salesforce API Client (bsd3, library, web)2019-03-040.1.0.1tzmfreedom
hsftp20.00A SFTP client tool for secure file transfer operations (bsd3, library, network, program, utils)2024-11-201.3.1MaurizioDusi
hsgnutls20.04Library wrapping the GnuTLS API. (library, network)2008-07-190.2.3.2AustinSeipp, GwernBranwen
hsgnutls-yj (deprecated)20.01Library wrapping the GnuTLS API. (deprecated, library, network)2014-05-280.2.3.3YoshikuniJujo
hsgsom10.01An implementation of the GSOM clustering algorithm. (bsd3, clustering, data-mining, library)2011-02-100.2.0StephanGuenther
hsharc (deprecated)40.02Haskell SHARC bindings (deprecated, library, sound)2013-04-270.14RohanDrape
hsignal110.01Signal processing and EEG data analysis (bsd3, library, math)2016-11-140.2.7.5VivianMcPhail
hsimport90.01Extend the import list of a Haskell source file (bsd3, development, library, program, utils)2019-09-150.11.0fendor
hsini112.03ini configuration files (bsd3, configuration, data, library)2023-09-260.5.2.2MagnusTherning
hsinspect32.251Inspect Haskell source files. (building, gpl, library, program)2023-05-220.1.0tseenshe
hsinspect-lsp20.00LSP interface over the hsinspect binary. (building, gpl, library, program)2020-07-220.0.6tseenshe
hsinstall102.00Install Haskell software (library, program, utility)2023-01-282.8DinoMorelli
hskeleton20.02Skeleton for new Haskell programs (bsd3, console, library)2009-06-230.1.1RobinGreen
hslibsvm20.01A FFI binding to libsvm. (bsd3, classification, datamining, library)2009-04-272.89.0.1StephanGuenther
hslogger951.75140Versatile logging framework (bsd3, interfaces, library)2025-03-111.3.1.2AndreasAbel, HerbertValerioRiedel, JohnGoerzen
hslogger-reader10.00Parsing hslogger-produced logs. (bsd3, interfaces, library, parsing, program)2017-08-141.0.3alex_bates
hslogger-template120.06Automatic generation of hslogger functions (interfaces, library, public-domain)2017-01-242.0.4BrianLewis
hslogger4j (deprecated in favor of hslogger)50.01DEPRECATED hslogger handlers for log4j's XMLLayout (deprecated, interfaces, library)2008-11-260.2BjornBuckwalter
hslogstash60.01A library to work with, or as, a logstash server (bsd3, library, logstash, system)2015-09-260.4.2SimonMarechal
hslua1052.517Bindings to Lua, an embeddable scripting language (foreign, library, mit)2024-01-182.3.1GracjanPolak, OmerAgacan, tarleb
hslua-aeson990.04Allow aeson data types to be used with Lua. (foreign, library, mit)2024-07-092.3.1.1tarleb
hslua-classes640.01Type classes for HsLua (foreign, library, mit)2024-01-182.3.1tarleb
hslua-cli620.00Command-line interface for Lua (foreign, library, mit)2024-06-281.4.3tarleb
hslua-core642.018Bindings to Lua, an embeddable scripting language (foreign, library, mit)2024-01-182.3.2tarleb
hslua-list480.02Opinionated, but extensible Lua list type. (foreign, library, mit)2024-10-011.1.4tarleb
hslua-marshalling700.016Marshalling of values between Haskell and Lua. (foreign, library, mit)2024-01-182.3.1tarleb
hslua-module-doclayout1020.02Lua module wrapping Text.DocLayout. (foreign, library, mit)2024-09-211.2.0JohnMacFarlane, tarleb
hslua-module-path660.02Lua module to work with file paths. (foreign, library, mit)2024-01-181.1.1tarleb
hslua-module-system890.02Lua module wrapper around Haskell's System module. (foreign, library, mit)2024-05-281.1.2tarleb
hslua-module-text870.02Lua module for text (foreign, library, mit)2024-01-181.1.1tarleb
hslua-module-version580.02Lua module to work with version specifiers. (foreign, library, mit)2024-01-181.1.1tarleb
hslua-module-zip470.01Lua module to work with file zips. (foreign, library, mit)2024-05-051.1.3tarleb
hslua-objectorientation790.02Object orientation tools for HsLua (foreign, library, mit)2024-01-182.3.1tarleb
hslua-packaging660.06Utilities to build Lua modules. (foreign, library, mit)2024-01-182.3.1tarleb
hslua-repl520.02Isocline-based Lua REPL (foreign, library, mit)2024-01-180.1.2tarleb
hslua-typing450.04Type specifiers for Lua. (foreign, library, mit)2024-01-180.1.1tarleb
hsluv-haskell20.02HSLuv conversion utility. (conversion, gpl, library)2018-02-010.1.0.0modalduality
hsmagick50.03FFI bindings for the GraphicsMagick library (bsd3, graphics, library)2011-03-130.5TimChevalier, VincentGerard
hsmisc (deprecated)40.01A collection of miscellaneous modules (bsd3, deprecated, library, logging, monads, parsing)2015-06-291.2DinoMorelli
hsmtpclient20.01Simple SMTP Client (bsd3, library, network)2009-08-261.0MassimoZaniboni
hsndfile110.06Haskell bindings for libsndfile (data, lgpl, library, sound)2015-09-180.8.0StefanKersten
hsndfile-storablevector50.01Haskell bindings for libsndfile (Data.StorableVector interface) (data, library, sound)2011-11-210.5.2StefanKersten
hsndfile-vector70.04Haskell bindings for libsndfile (Data.Vector interface) (data, library, sound)2011-11-210.5.2StefanKersten
hsnock20.01Nock 5K interpreter. (language, library, program, public-domain)2013-11-050.5.1mrdomino
hsnoise80.04A coherent 3d noise library. (bsd3, library, noise)2022-10-130.0.3ColinHill
hsnsq10.01Haskell NSQ client. (apache, library, network)2014-10-200.1.2.0PaulBerens
hsntp20.01Libraries to use SNTP protocol and small client/server implementations. (bsd3, library, program, system)2008-03-090.1GwernBranwen
hsoptions20.01Haskell library that supports command-line flag processing (apache, library, program, system)2014-04-281.0.0.0josercruz01
hsoz30.00Iron, Hawk, Oz: Web auth protocols (authentication, bsd3, library, web)2017-03-230.0.1.0rvl
hsp60.030Haskell Server Pages is a library for writing dynamic server-side web pages. (bsd3, language, library, web)2013-11-120.10.0GwernBranwen, JeremyShaw, NiklasBroberg
hsp-cgi10.01Facilitates running Haskell Server Pages web pages as CGI programs. (bsd3, library, network, web)2008-05-170.4.4NiklasBroberg
hsparklines40.01Sparklines for Haskell (bsd3, graphics, library)2008-02-270.1.0HiteshJasani
hsparql110.02A SPARQL query generator and DSL, and a client to query a SPARQL server. (bsd3, database, library)2025-02-120.3.9JeffWheeler, RobStewart
hspear (deprecated)20.01Haskell Spear Parser (deprecated, library, sound)2013-04-270.14RohanDrape
hspec5462.75167A Testing Framework for Haskell (library, mit, testing)2025-03-172.11.12SimonHengel, SoenkeHahn, parsonsmatt
hspec-api510.03A Testing Framework for Haskell (library, mit, testing)2025-03-172.11.12SimonHengel
hspec-attoparsec60.01Utility functions for testing your attoparsec parsers with hspec (bsd3, library, parsing, testing)2015-03-210.1.0.2AlpMestanogullari
hspec-bracket70.00The bracket definitions for Hspec (bsd3, library, testing)2019-11-280.0.1.0KeiHibino
hspec-checkers90.01Allows to use checkers properties from hspec (bsd3, library, testing)2017-03-170.1.0.2SoenkeHahn
hspec-contrib330.02Contributed functionality for Hspec (library, mit, testing)2023-01-300.5.2SimonHengel
hspec-core3290.037A Testing Framework for Haskell (library, mit, testing)2025-03-172.11.12SimonHengel, SoenkeHahn, parsonsmatt
hspec-dirstream50.01Helper functions to simplify adding integration tests. (bsd3, development, library, testing)2022-02-281.0.0.4vmchale
hspec-discover2852.256Automatically discover and run Hspec tests (library, mit, program, testing)2025-03-172.11.12SimonHengel, SoenkeHahn, parsonsmatt
hspec-expectations1220.032Catchy combinators for HUnit (library, mit, testing)2023-07-190.8.4SimonHengel, SoenkeHahn, parsonsmatt
hspec-expectations-json200.00Hspec expectations for JSON Values (library, mit, test)2023-11-011.0.2.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
hspec-expectations-lens100.01Hspec expectations for the lens stuff (bsd2, library, testing)2015-01-020.4.0MatveyAksenov
hspec-expectations-lifted320.03A version of hspec-expectations generalized to MonadIO (library, mit, testing)2017-03-310.10.0SimonHengel
hspec-expectations-match40.01An hspec expectation that asserts a value matches a pattern. (library, testing)2017-11-170.2.0.0lexi_lambda
hspec-expectations-pretty (deprecated in favor of hspec-expectations-pretty-diff)21.251hspec-expectations with pretty printing on failure (deprecated, library, mit, testing)2013-09-020.1GregWeber
hspec-expectations-pretty-diff220.01Catchy combinators for HUnit (library, mit, testing)2022-01-070.7.2.6valpackett
hspec-experimental20.01An experimental DSL for testing on top of Hspec (library, mit, testing)2012-11-110.1.0SimonHengel
hspec-formatter-github20.00A Formatter for hspec that provides Github Actions Annotations (bsd3, library, testing)2023-12-120.1.0.0parsonsmatt
hspec-golden250.00Golden tests for hspec (library, mit, program, testing)2024-04-120.2.2.0stackbuilders, camm
hspec-golden-aeson160.02Use tests to monitor changes in Aeson serialization (bsd3, library, testing)2021-03-150.9.0.0albertov, mchaver, scottfleischmanplow
hspec-hashable40.01Initial project template from stack (bsd3, library, web)2020-11-250.1.0.1mchaver, scottfleischmanplow
hspec-hedgehog292.253Integrate Hedgehog and Hspec! (bsd3, library, testing)2024-08-280.3.0.0SimonHengel, parsonsmatt
hspec-jenkins10.01Jenkins-friendly XML formatter for Hspec (library, mit, testing)2013-05-060.1.1KoheiSuzuki
hspec-junit-formatter350.01A JUnit XML runner/formatter for hspec (library, mit, testing)2024-07-031.1.2.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
hspec-laws30.01Document and test laws for standard type classes (library, mit, testing)2014-08-210.0.0SimonHengel
hspec-leancheck112.01LeanCheck support for the Hspec test framework. (bsd3, library, testing)2021-06-150.0.6rudymatela
hspec-megaparsec250.04Utility functions for testing Megaparsec parsers with Hspec (bsd3, library, parsing, testing)2023-10-242.2.1mrkkrp
hspec-meta630.01A version of Hspec which is used to test Hspec itself (library, mit, program, testing)2025-03-172.11.12SimonHengel, SoenkeHahn, parsonsmatt
hspec-monad-control30.01Orphan instances of MonadBase and MonadBaseControl for SpecM (bsd3, control, library)2015-05-210.1.0.0bmjames
hspec-multicheck60.01A testing framework for Haskell using Hspec (library, public-domain, testing)2017-08-110.1marcellus
hspec-need-env100.01Read environment variables for hspec tests (bsd3, library, test)2025-01-280.1.0.12debugito
hspec-parsec60.00Hspec expectations for testing Parsec parsers (bsd3, library, parsing, testing)2019-08-230sjakobi
hspec-pg-transact30.01Helpers for creating database tests with hspec and pg-transact (bsd3, library, web)2021-09-020.1.0.3JonathanFischoff, hecate
hspec-server50.01Test Framework for checking server's status (bsd3, library, testing)2015-02-160.4.1junjihashimoto
hspec-setup20.00Add an hspec test-suite in one command (development, library, mit, program)2016-08-220.2.1.0yamadapc
hspec-shouldbe (deprecated in favor of hspec)30.01Convenience wrapper and utilities for hspec (deprecated, library, mit, testing)2015-04-040.0.1
hspec-slow40.01Find slow test cases (bsd3, library, testing)2020-11-260.2.0.1boblong, Jappie, jgt
hspec-smallcheck260.04SmallCheck support for the Hspec testing framework (library, mit, testing)2022-05-120.5.3SimonHengel, parsonsmatt
hspec-snap62.02A library for testing with Hspec and the Snap Web Framework (bsd3, library, snap, web)2022-01-211.0.3.0DanielPatterson, imalsogreg
hspec-stack-rerun30.01Simple project template from stack (bsd3, library, web)2016-07-150.1.0.3MarkWotton
hspec-structured-formatter80.01 (library, mit, test)2016-01-100.1.0.3flbulgarelli
hspec-tables20.00Table-driven (by-example) HSpec tests (library, mit, testing)2020-04-270.0.1rzeznik
hspec-test-framework70.02Run test-framework tests with Hspec (library, mit, testing)2014-11-190.1.0SimonHengel
hspec-test-framework-th70.01Run test-framework tests with Hspec (library, mit, testing)2014-11-190.1.0SimonHengel
hspec-test-sandbox30.01Hspec convenience functions for use with test-sandbox (bsd3, library, testing)2014-12-250.1.0ikehara, junjihashimoto, yjkmy
hspec-tmp-proc60.01Simplify use of tmp-proc from hspec tests (bsd3, docker, hspec, library, testing)2024-05-120.7.0.0adetokunbo
hspec-wai252.04Experimental Hspec support for testing WAI applications (library, mit, testing)2020-12-160.11.1DaisukeFujimura, SimonHengel
hspec-wai-json130.01Testing JSON APIs with hspec-wai (library, mit, testing)2020-09-260.11.0SimonHengel
hspec-webdriver212.01Write end2end web application tests using webdriver and hspec (library, mit, web)2023-06-151.2.2JohnLenz, dfordivam
hspec-yesod20.00A variation of yesod-test that follows hspec idioms more closely (library, mit, testing, web, yesod)2024-06-060.1.0parsonsmatt
hspec2 (deprecated in favor of hspec)50.05Alpha version of Hspec 2.0 (deprecated, library, mit, testing)2014-11-120.6.1
hspecVariant60.01Spec for testing properties (gpl, library, testing)2021-10-231.0.1.0sanjorgek
hspkcs1110.01Wrapper for PKCS #11 interface (cryptography, hsm, library, mit, pkcs11, smartcard, token)2018-03-010.7denisenkom
hspr-sh20.01Session handler for HSP (library, network, public-domain)2008-02-250.3GwernBranwen
hspray60.03Multivariate polynomials and fractions of multivariate polynomials. (algebra, gpl, library, math)2024-06-210.5.4.0stla
hspread10.03A client library for the spread toolkit (bsd3, library, network)2009-05-230.3.3AndreaVezzosi, DavidHimmelstrup
hspresent10.01A terminal presentation tool (bsd3, console, library, program)2009-11-180.2.2EvanKlitzke
hspretty10.00My opinionated Haskell project formatter. (bsd3, library, program, tools)2021-08-210.2.0.0lancelet
hsprocess (deprecated in favor of haskell-awk)30.01The Haskell Stream Processor command line utility (console, deprecated, gpl, library, program)2013-08-040.3MarioPastorelli
hsql60.012Database access from Haskell. (bsd3, database, library)2012-03-311.8.2BjornBringert, NickRudnick
hsql-mysql (deprecated)40.02MySQL driver for HSQL. (bsd3, database, deprecated, library)2013-10-281.8.3BjornBringert, NickRudnick
hsql-odbc40.02A Haskell Interface to ODBC. (bsd3, database, library)2012-03-311.8.2BjornBringert, NickRudnick
hsql-postgresql70.02A Haskell Interface to PostgreSQL via the PQ library. (bsd3, database, library)2012-03-311.8.2BjornBringert, NickRudnick
hsql-sqlite330.02SQLite3 driver for HSQL. (bsd3, database, library)2012-03-311.8.2BjornBringert, NickRudnick
hsqml42.54Haskell binding for Qt Quick (bsd3, graphics, gui, library)2018-03-280.3.5.1RobinKay
hsqml-datamodel20.01HsQML (Qt5) data model. (bsd3, graphics, library)2015-08-180.2.0.2mjmrotek
hsqml-datamodel-vinyl10.01HsQML DataModel instances for Vinyl Rec. (bsd3, graphics, library)2015-08-180.3.0.1mjmrotek
hsreadability10.01Access to the Readability API. (library, mit, network-apis, web)2015-04-191.0.0.0rasendubi
hsrelp662.01RELP (Reliable Event Logging Protocol) server implementation (bsd3, library, network)2025-02-260.2.1.1verrens
hsseccomp22.01Haskell bindings to libseccomp (library, system)2016-04-280.2.0.1teh
hssh10.01SSH protocol implementation (library, mit, network)2018-10-310.1.0.0LarsPetersen
hsshellscript132.01Using Haskell for Unix shell scripting tasks (lgpl, library, system)2024-04-033.6.4VolkerWysk
hssqlppp40.04SQL parser and type checker (bsd3, database, language, library)2019-07-080.6.2JakeWheat
hssqlppp-th20.01hssqlppp extras which need template-haskell (bsd3, database, language, library)2019-07-080.6.2JakeWheat
hstatistics180.02Statistics (bsd3, library, math, statistics)2020-08-060.3.1VivianMcPhail
hstats20.05Statistical Computing in Haskell (bsd3, library, mumeric.statistics)2016-02-220.3.0.1BasDeHaas, MarshallBeddoe
hstatsd20.03Quick and dirty statsd interface (library, public-domain, system)2013-02-220.1JamesCook
hstorchat10.01Distributed instant messaging over Tor (gpl, library, network, program)2014-06-040.1.1.0creichert, ChristopherReichert
hstox (deprecated in favor of toxcore)30.00A Tox protocol implementation in Haskell (deprecated, gpl, library, network)2018-10-170.0.2iphydf
hstradeking20.01Tradeking API bindings for Haskell (bsd3, finance, library, program)2014-03-120.1.0TravisAthougies
hsudoku32.00Sudoku game with a GTK3 interface (game, library, mit, program)2017-05-160.1.1.0mmo
hsverilog40.01Synthesizable Verilog DSL supporting for multiple clock and reset (bsd3, hardware, library)2015-02-190.1.0junjihashimoto
hswip12.01embedding prolog in haskell (foreign, language, library)2010-08-130.3EvgenyTarasov
hsx (deprecated in favor of hsx2hs)100.016HSX (Haskell Source with XML) allows literal XML syntax in Haskell source code. (bsd3, deprecated, language, library, program)2013-09-050.10.5NiklasBroberg
hsx-jmacro50.04hsp+jmacro support (bsd3, library, web)2022-04-257.3.8.2JeremyShaw
hsx-xhtml20.01XHTML utilities to use together with HSX. (bsd3, library, web)2008-05-170.4.4NiklasBroberg
hsx2hs70.011HSX (Haskell Source with XML) allows literal XML syntax in Haskell source code. (bsd3, language, library, program)2023-01-230.14.1.11DavidFox, JeremyShaw, NiklasBroberg
hsyscall30.01FFI to syscalls (bsd3, foreign, library)2010-06-010.4AycanIrican
hsyslog280.020FFI interface to syslog(3) from POSIX.1-2001 (bsd3, foreign, library)2019-01-235.0.2PeterSimons
hsyslog-tcp12.01syslog over TCP (bsd3, library, system)2017-12-050.2.1.0OmerAgacan
hsyslog-udp50.02Log to syslog over a network via UDP (bsd3, library, system)2020-03-100.2.5jonplussed, k_bx
hszephyr30.01Simple libzephyr bindings (bsd3, library, network)2017-01-230.2NelsonElhage
htaglib82.01Bindings to TagLib, audio meta-data library (bsd3, foreign, library, sound)2023-10-241.2.1mrkkrp
htaut22.01Tautology Proving Logic in Haskell (bsd3, library, theorem-provers)2016-09-260.1.1.0Ailrun
htdp-image30.00Beginner friendly graphics library. (bsd3, graphics, library)2021-08-241.1.0.1trajafri
htestu10.01A library for testing correctness of pseudo random number generators in Haskell. (library, mit, program, system)2016-08-080.1.1.2DominicSteinitz
htiled52.02Import from the Tiled map editor. (bsd3, game, library)2016-07-080.1.4.0ChristianRoedliAmble, SchellScivally, m09
htirage (deprecated in favor of reloto)50.01Equiprobable draw from publicly verifiable random data. (deprecated, gpl, library, politic)2018-08-302.1.0.20180829julm
htlset (deprecated in favor of htssets)10.01Heterogenous Set (bsd3, data, deprecated, library)2019-01-020.1.0.1kelemzol
html260.023HTML combinator library (bsd3, library, web)2008-10-111.0.1.2DonaldStewart
html-charset60.00Determine character encoding of HTML documents/fragments (lgpl, library, program, web)2022-12-120.1.1hongminhee
html-conduit420.019Parse HTML documents using xml-conduit datatypes. (conduit, library, mit, text, web)2021-08-161.3.2.2JensPetersen, MichaelSnoyman
html-email-validate70.02Validating an email address against HTML standard (bsd3, library, text)2015-07-030.2.0.0zudov
html-entities390.014A codec library for HTML-escaped text and HTML-entities (codecs, html, library, mit, parsing)2024-01-231.1.4.7NikitaVolkov
html-entity40.01HTML entity decoding and encoding for Text (bsd3, library, text)2018-07-040.1.3.0JudeTaylor
html-entity-map120.01Map from HTML5 entity names to the corresponding Unicode text (bsd3, html, library)2017-12-180.1.0.0mrkkrp
html-kure40.01HTML rewrite engine, using KURE. (bsd3, library, web)2015-05-190.2.1AndyGill, ryanglscott
html-minimalist (deprecated)40.03Minimalist haskell html library (deprecated, library, text)2014-10-160.15RohanDrape
html-parse90.03A high-performance HTML tokenizer (bsd3, library, text)2023-12-100.2.1.0BenGamari
html-parse-util10.00Utility functions for working with html-parse (bsd3, library, text, xml)2023-06-290.2.3TonyZorman
html-rules20.01Perform traversals of HTML structures using sets of rules. (bsd3, html, library, text, transformation, web)2014-05-130.1.0.1KyleCarter
html-tokenizer20.01An "attoparsec"-based HTML tokenizer (html, library, mit, parsing, xml)2018-02-050.6.4NikitaVolkov
html-truncate40.02A HTML truncator (bsd3, library, text)2013-03-190.3.0.0MarcelRuegenberg
html-validator-cli70.00A command-line interface for https://validator.w3.org/ (bsd3, library, program, web)2018-10-160.1.0.5KenzoYotsuya
html5-entity40.02A library for looking up and validating HTML5 entities. (bsd3, library, text)2015-04-100.2.0.3zudov
htmx120.02Use htmx with various haskell libraries (html, library, mit, web)2024-09-270.1.0.2JonathanLorimer
htmx-lucid90.01Use htmx with lucid (html, library, mit, web)2024-09-270.2.0.1JonathanLorimer
htmx-servant60.00Use htmx with servant (html, library, mit, web)2024-09-270.2.0.2JonathanLorimer
htn30.01resolver using htn algorithm (algorithms, bsd3, library)2016-11-250.1.0.0uj
htoml40.07Parser for TOML files (bsd3, configuration, data, json, language, library, parser, text)2016-11-071.0.0.3cies
htoml-megaparsec100.04Parser for TOML files (bsd3, configuration, data, language, library, text, toml)2023-10-242.1.0.5vmchale
htoml-parse40.00Parse TOML values produced by htoml-megaparsec package. (apache, data, library, toml)2022-04-050.1.0.1SergeyVinokurov
htrace30.02Hierarchical tracing for debugging of lazy evaluation (bsd3, debug, library)2012-01-250.1EugeneKirpichov
htree10.00a library to build and work with heterogeneous, type level indexed rose trees (agpl, data, library)2024-11-150.2.0.0mangoiv
hts (deprecated)20.01Haskell Music Typesetting (deprecated, library, music)2014-10-150.15RohanDrape
htsn-common (deprecated)20.01Display/logging facilities used by both htsn and htsn-import. (deprecated, gpl, library, utils)2014-05-290.0.2MichaelOrlitzky
htssets10.00Heterogenous Sets (bsd3, data, library)2019-01-030.2.0.0kelemzol
http-accept40.02Functions for working with HTTP Accept headers (library, web)2012-10-090.2StephenWeber
http-api-data1650.0144Converting to/from HTTP API data like URL pieces, headers and query parameters. (bsd3, library, web)2024-05-220.6.1MichaelSnoyman, NickolayKudasov, phadej
http-api-data-ip20.00Code for using the ip package with http-api-data (bsd3, library, web)2024-03-120.1.0.0andrewthad
http-api-data-qq60.00Quasiquoter for building URLs with ToHttpApiData types (bsd3, library, web)2021-12-180.1.0.0brandonchinn178
http-attoparsec40.03Attoparsec parsers for http-types. (bsd3, library, network, web)2014-01-110.1.1TeroLaitinen
http-barf30.00a library to make http requests without worrying much (agpl, library, network)2024-08-240.1.1.0mangoiv
http-client4912.25581An HTTP client engine (library, mit, network)2025-03-210.7.19MichaelSnoyman, SimonHengel, janus
http-client-auth40.01HTTP authorization (both basic and digest) done right (bsd3, library, network)2014-11-210.1.0.1MiguelMitrofanov
http-client-brread-timeout90.02Http client with time-limited brRead (library, mit, network)2022-06-280.1.1.0lyokha
http-client-conduit (deprecated in favor of http-conduit)70.06Frontend support for using http-client with conduit (deprecated) (deprecated, library, mit, network)2014-04-020.3.0MichaelSnoyman, janus
http-client-extra50.01wrapper for http-client exposing cookies (bsd3, library, network)2018-06-290.1.3.0tolysz
http-client-lens20.01Optics for http-client (bsd3, lens, library)2014-04-150.1.0ReinH, reactormonk
http-client-multipart (deprecated in favor of http-client)70.04Generate multipart uploads for http-client. (deprecated) (deprecated, library, mit, network)2014-04-020.3.0.0MichaelSnoyman
http-client-openssl102.014http-client backend using the OpenSSL library. (library, mit, network)2020-11-170.3.3MichaelSnoyman, SimonHengel, alexbiehl, janus
http-client-overrides70.00HTTP client overrides (bsd3, library, network, program)2019-10-020.1.1.0robbiemcmichael
http-client-request-modifiers30.01Convenient monadic HTTP request modifiers (bsd3, library, network)2014-08-260.1SeanLeather
http-client-restricted220.01restricting the servers that http-client will use (library, mit, network)2023-08-010.1.0JoeyHess
http-client-rustls10.00http-client TLS backend using Rustls (cryptography, library, network)2024-09-240.0.2.0amesgen
http-client-session50.01A simple abstraction over the "http-client" connection manager (library, mit, network)2016-07-070.1.2NikitaVolkov
http-client-streams20.01http-client for io-streams supporting openssl (bsd3, io-streams, library, web)2015-04-030.3.1.0DavidJohnson
http-client-tls1500.0320http-client backend using the connection package and tls library (library, mit, network)2024-10-270.3.6.4MichaelSnoyman, SimonHengel, janus
http-client-websockets100.00Glue code for http-client and websockets (library, network)2022-08-160.1.1.3amesgen
http-common82.03Common types for HTTP clients and servers (bsd3, library, web)2021-08-210.8.3.4AndrewCowie
http-conduit2222.25326HTTP client package with conduit interface and HTTPS support. (bsd3, conduit, library, web)2024-10-272.3.9.1MichaelSnoyman, SimonHengel
http-conduit-browser50.01Browser interface to the http-conduit package (bsd3, conduit, library, web)2017-06-132.0.0.1MikhailKuddah, MylesMaxfield
http-conduit-downloader592.02HTTP downloader tailored for web-crawler needs. (bsd3, library, web)2024-02-141.1.5VladimirShabanov
http-date690.016HTTP Date parser/formatter (bsd3, library, network, web)2021-02-240.0.11KazuYamamoto
http-directory170.00http directory listing library (library, mit, network)2025-02-080.1.11JensPetersen
http-dispatch50.01High level HTTP client for Haskell (bsd3, library, network)2016-11-190.6.2.0owainlewis
http-download230.03Verified downloads with retries (bsd3, development, library)2023-08-090.2.1.0MichaelSnoyman, borsboom, fpcomplete
http-encodings50.02A library for encoding and decoding bodies of HTTP messages (bsd3, library, web)2014-06-070.9.3AndreyChudnov
http-enumerator (deprecated in favor of http-conduit)930.023HTTP client package with enumerator interface and HTTPS support. (deprecated) (bsd3, deprecated, enumerator, library, web)2012-04-220.7.3.3MichaelSnoyman
http-exchange20.01Perform HTTP Requests (bsd3, data, library)2024-02-140.2.0.1andrewthad, l3c_amartin
http-exchange-instantiations130.00Instantiations of http-exchange (bsd3, library, network, program)2023-09-200.1.3.0andrewthad, l3c_amartin
http-grammar20.01Attoparsec-based parsers for the RFC-2616 HTTP grammar rules. (apache, library, web)2017-03-010.1.0.0rickowens
http-interchange30.02Types and serialization for HTTP (bsd3, data, library)2024-08-230.3.2.2andrewthad, l3c_amartin
http-io-streams80.02HTTP and WebSocket client based on io-streams (io-streams, library, web)2024-02-060.1.7.0AndreasAbel, HerbertValerioRiedel
http-kinder30.02Generic kinds and types for working with HTTP (bsd3, library, web)2016-02-260.2.0.0JosephAbrahamson
http-kit30.01A low-level HTTP library (library, mit, network)2014-07-020.5.1SimonHengel
http-link-header170.08HTTP Link header parser/writer (apache, library, public-domain, web)2021-10-101.2.1SShuck, valpackett
http-listen (deprecated in favor of warp)20.00Listen to HTTP requests and handle them in arbitrary ways. (deprecated, library, network, public-domain, web)2015-08-050.1.0.0akrasner
http-media980.0159Processing HTTP Content-Type and Accept headers (library, mit, web)2023-09-100.8.1.1TimothyJones
http-mock50.00HTTP mocking and expectations library for Haskell (apache, library, testing)2019-09-220.1.0.0frincon
http-monad10.01Monad abstraction for HTTP allowing lazy transfer and non-I/O simulation (bsd3, library, network)2023-01-150.1.1.4HenningThielemann
http-pony20.01A type unsafe http library (bsd3, library, network)2017-05-270.1.0.7JinjingWang
http-pony-serve-wai60.01Serve a WAI application with http-pony (bsd3, library, network)2016-09-240.1.0.4JinjingWang
http-pony-transformer-case-insensitive90.01Tag http headers as case insensitive (bsd3, library, network)2016-10-130.1.0.2JinjingWang
http-pony-transformer-http110.01Transform raw TCP stream to a basic HTTP type (bsd3, library, network)2016-10-240.1.0.3JinjingWang
http-pony-transformer-startline90.01transform HTTP startlines to tuples (bsd3, library, network)2016-10-130.1.0.1JinjingWang
http-proxy60.01A library for writing HTTP and HTTPS proxies (bsd3, library, program, web)2021-04-170.1.2.0ErikDeCastroLopo
http-query70.05Simple http queries (bsd3, library, web)2022-02-170.1.3JensPetersen
http-querystring40.02The HTTP query builder. (bsd3, library, network)2013-10-021.0YusukeNomura
http-response-decoder40.01Declarative DSL for parsing an HTTP response (library, mit, unclassified)2016-10-280.2.3NikitaVolkov
http-rfc780730.00RFC7807 style response messages (bsd3, library, servant, web)2020-12-120.2.0.0PeterTrsko
http-semantics1000.02HTTP senmatics libarry (bsd3, library, network)2024-10-220.3.0KazuYamamoto
http-server20.02A library for writing Haskell web servers. (bsd3, library, network)2015-02-231.0.6IavorDiatchki, TrevorElliott
http-shed (deprecated in favor of httpd-shed)20.01A simple websever with an interact style API (bsd3, deprecated, library, network-)2008-10-090.1AndyGill
http-slim30.00A library for client/server HTTP with TLS support (bsd3, library, network)2024-01-181.0KrasimirAngelov
http-streams192.030An HTTP client using io-streams (bsd3, io-streams, library, web)2023-10-200.8.9.9AndrewCowie
http-test50.01Test framework for HTTP APIs (bsd3, library, program, test, web)2016-03-030.2.5glutamate
http-trace32.00Tracking http redirects (library, mit, program, web)2016-06-200.1.1.1sigrlami
http-types1250.0895Generic HTTP types for Haskell (for both client and server code). (bsd3, library, network, web)2023-11-300.12.4AristidBreitkreuz, nideco
http-wget (deprecated in favor of http-conduit)90.02Provide a simple HTTP client interface by wrapping the wget command line tool. (deprecated) (bsd3, deprecated, library, network)2012-01-180.6.2.3MichaelSnoyman
http25470.020HTTP/2 library (bsd3, library, network)2024-12-035.3.9KazuYamamoto
http2-client72.2512A native HTTP2 client library. (bsd3, library, web)2024-05-010.10.0.2LucasDiCioccio, ProofOfKeags
http2-client-grpc42.09Implement gRPC-over-HTTP2 clients. (bsd3, library, network)2019-11-050.8.0.0AlejandroSerrano, LucasDiCioccio, ProofOfKeags
http2-grpc-proto-lens40.08Encoders based on `proto-lens` for gRPC over HTTP2. (bsd3, library, network)2024-04-190.1.1.0AlejandroSerrano, LucasDiCioccio, ProofOfKeags
http2-grpc-proto3-wire30.04Encoders based on `proto3-wire` for gRPC over HTTP2. (bsd3, library, network)2019-11-050.1.0.0AlejandroSerrano, LucasDiCioccio, ProofOfKeags
http2-grpc-types90.012Types for gRPC over HTTP2 common for client and servers. (bsd3, library, network)2019-11-050.5.0.0AlejandroSerrano, LucasDiCioccio, ProofOfKeags
http2-tls100.00Library for HTTP/2 over TLS (bsd3, library, network)2024-12-030.4.5KazuYamamoto
http3330.02HTTP/3 library (bsd3, library, network)2024-12-030.0.22KazuYamamoto
httpd-shed160.02A simple web-server with an interact style API (bsd3, library, network, web)2024-03-080.4.1.2AndyGill, GaneshSittampalam
https-everywhere-rules50.01High-level access to HTTPS Everywhere rulesets. (data, library, mit)2014-08-240.1.0vi
https-everywhere-rules-raw20.02Low-level (i.e. XML) access to HTTPS Everywhere rulesets. (data, gpl, library)2014-08-244.0vi
httpspec20.02Specification of HTTP request/response generators and parsers (data, library, web)2010-10-050.3.0.1DavidLeuschner, StefanWehr
httpstan30.00Auto-generated API bindings for httpstan (bsd3, library, statistics)2023-06-030.3.0.0JakeMcArthur
htvm10.00Bindings for TVM machine learning framework (gpl, library, machine-learning)2018-12-150.1.2SergeyMironov
hubigraph40.02A haskell wrap for Ubigraph (bsd3, graphics, library)2011-01-180.3.2KoheiOzaki
hubris20.01Support library for Hubris, the Ruby <=> Haskell bridge (language, library, program)2010-04-240.0.3MarkWotton
huck20.01huck (bsd3, library, system)2017-11-100.0.1lambda_foo
huckleberry40.01Haskell IOT on Intel Edison and other Linux computers. (bsd3, library, system)2016-09-050.10.0.2tkmsm
huff10.00A fast-foward-based planner (ai, bsd3, library, program)2016-09-090.1.0.1TrevorElliott
huffman42.01Pure Haskell implementation of the Huffman encoding algorithm (bsd3, compression, data, library)2012-02-281.0.1MaximeHenrion
hugs2yc10.01Hugs Front-end to Yhc Core. (bsd3, development, library)2009-01-180.1.1DmitryGolubovsky
hulk30.01IRC server written in Haskell. (bsd3, library, network, program)2013-11-030.2.0ChrisDone
hum30.00A TUI MPD client, inspired by ncmpcpp (gpl, library, program, sound)2021-01-250.2.0.0iyefrat
human-parse20.01A lawless typeclass for parsing text entered by humans. (apache, library, text)2018-02-100.1.0.3chris_martin
human-readable-duration160.01Provide duration helper (bsd3, library, time)2019-06-250.2.1.4yogsototh
human-text10.01A lawless typeclass for converting values to human-friendly text. (apache, library, text)2018-02-100.1.0.3chris_martin
humble-prelude20.00Redefinition-free prelude alternative (bsd3, library, prelude)2020-01-160.2FumiakiKinoshita
hunit-dejafu140.01Deja Fu support for the HUnit test framework. (library, mit, testing)2022-08-302.0.0.6barrucadu
hunit-gui20.01A GUI testrunner for HUnit (library, program, public-domain, testing)2010-03-140.1.4KimWallmark
hunit-parsec60.01An HUnit Testable instance for Parsec parser unit tests. (bsd3, library, testing)2011-04-100.3NathanWilcox
hunit-rematch10.01HUnit support for rematch (library, mit, testing)2013-05-200.1.0.1TomCrayford
hunspell-hs12.01Hunspell thread-safe FFI bindings for spell checking. (bsd3, language, library)2018-08-270.2.0.0ashutoshrishi
hunt-searchengine40.01A search and indexing engine. (data, library, mit, text)2015-03-030.3.0.1alexbiehl
hup22.00Upload packages and/or documentation to a hackage server (bsd2, distribution, documentation, library, program, web)2022-01-050.3.0.3phlummox
hurl50.01Haskell URL resolver (gpl, library, network, program)2023-03-232.3.0.1alcinnz
hurl-xml10.00Fetch parsed XML & possibly CSS for a URL based on MIMEtype. (gpl, library, web)2023-06-230.2.0.2alcinnz
hurriyet30.01Haskell bindings for Hurriyet API (bsd3, library, network)2017-06-180.2.0.0yigitozkavci
husk-scheme212.03R5RS Scheme interpreter, compiler, and library. (compilers-interpreters, language, library, mit, program)2021-02-043.20JustinEthier
husk-scheme-libs20.01Extra libraries for the husk Scheme platform. (compilers-interpreters, language, library, mit)2012-06-130.0.1JustinEthier
huzzy10.01Fuzzy logic library with support for T1, IT2, GT2. (library, mit, unclassified)2014-08-050.1.5.5jna_sh
hvect150.012Simple strict heterogeneous lists (data, library, mit)2022-02-070.4.0.1AlexanderThiemann, BrandonSimmons
hvega402.06Create Vega-Lite visualizations (version 4) in Haskell. (bsd3, graphics, library)2023-09-280.12.0.7DouglasBurke
hvega-theme40.02Theme for hvega. (gpl, graphics, library)2021-08-120.2.0.5GregorySchwartz
hw-aeson120.03Convenience functions for Aeson (bsd3, data, json, library)2023-12-180.1.9.0newhoggy, haskellworks
hw-all20.00Demo library (bsd3, conduit, data, library)2019-11-060.0.0.1haskellworks
hw-aws-sqs-conduit50.00AWS SQS conduit (bsd3, library, web)2021-02-240.1.0.0haskellworks
hw-balancedparens580.010Balanced parentheses (bit, bsd3, data, data-structures, library, program, succinct-data-structures)2022-12-050.4.1.3newhoggy, haskellworks, GeorgeWilson
hw-bits132.025Bit manipulation (bit, bsd3, data, library)2022-03-200.7.2.2newhoggy, haskellworks, GeorgeWilson
hw-ci-assist10.00CI Assistant for Haskell projects (bsd3, development, library, program)2019-04-040.1.0.0haskellworks
hw-conduit60.06Conduits for tokenizing streams. (conduit, data, library, mit)2022-03-250.2.1.1newhoggy, haskellworks, GeorgeWilson
hw-conduit-merges80.01Additional merges and joins for Conduit (bsd3, conduit, data, library)2020-04-140.2.1.0haskellworks
hw-diagnostics80.05Diagnostics library (bsd3, library, profiling)2020-04-140.0.1.0haskellworks
hw-dsv30.03Unbelievably fast streaming DSV file parser (bsd3, csv, data-structures, library, program, simd, succinct-data-structures, text)2024-01-100.4.1.2newhoggy, haskellworks, GeorgeWilson
hw-dump10.01File Dump (bit, bsd3, data, library, program)2020-04-140.1.1.0newhoggy, haskellworks
hw-eliasfano40.02Elias-Fano (bsd3, data, data-structures, library, program, succinct-data-structures)2022-03-250.1.2.1newhoggy, haskellworks
hw-excess100.03Excess (bsd3, data, data-structures, library, succinct-data-structures)2020-04-140.2.3.0newhoggy, haskellworks
hw-fingertree500.05Generic finger-tree structure, with example instances (bsd3, data-structures, library)2022-03-210.1.2.1newhoggy, haskellworks
hw-fingertree-strict60.02Generic strict finger-tree structure (bsd3, data-structures, library)2022-03-250.1.2.1newhoggy, haskellworks
hw-hedgehog100.02Extra hedgehog functionality (bsd3, library, test)2022-03-190.1.1.1newhoggy, haskellworks
hw-hspec-hedgehog111.253Interoperability between hspec and hedgehog (bsd3, library, test)2022-03-190.1.1.1newhoggy, haskellworks
hw-int90.06Additional facilities for Integers (bsd3, data, library)2020-04-260.0.2.0newhoggy, haskellworks
hw-ip150.03Library for manipulating IP addresses and CIDR blocks (bsd3, library, network, program)2022-03-192.4.2.1newhoggy, haskellworks, arbornetworks, dsturnbull
hw-json42.05Memory efficient JSON parser (bsd3, data, library, program)2024-11-081.3.3.0newhoggy, haskellworks
hw-json-demo20.00Memory efficient JSON parser (bsd3, data, library)2022-03-241.0.0.0haskellworks
hw-json-lens20.02Lens for hw-json (bsd3, data, data-structures, json, library, succinct-data-structures)2020-04-140.2.1.0newhoggy, haskellworks
hw-json-simd70.03SIMD-based JSON semi-indexer (bsd3, data, library, program)2022-12-190.1.1.2newhoggy, haskellworks
hw-json-simple-cursor20.02Memory efficient JSON parser (bsd3, data, library, program)2022-03-240.1.1.1newhoggy, haskellworks
hw-json-standard-cursor160.03Memory efficient JSON parser (bsd3, data, library, program)2022-03-240.2.3.2newhoggy, haskellworks
hw-kafka-avro62.02Avro support for Kafka infrastructure (bsd3, library, services)2024-10-136.0.2newhoggy, alexeyraga, haskellworks
hw-kafka-client222.258Kafka bindings for Haskell (database, library, mit)2023-08-055.3.0newhoggy, alexeyraga
hw-kafka-conduit162.02Conduit bindings for hw-kafka-client (database, library, mit)2020-04-142.7.0alexeyraga
hw-lazy10.00Combinators for lazy IO (bsd3, data, library)2022-06-100.0.0.1newhoggy, haskellworks
hw-mquery50.03Monadic query DSL (bsd3, data, library, program)2024-11-080.2.1.2newhoggy, haskellworks
hw-packed-vector30.02Packed Vector (bsd3, data, library, program, vector)2022-03-210.2.1.1newhoggy, haskellworks
hw-parser60.06Simple parser support (bsd3, data, library, parser)2020-04-140.1.1.0newhoggy, haskellworks
hw-playground-linear50.00Primitive functions and data types (bsd3, data, library)2021-02-240.1.0.0haskellworks
hw-polysemy120.00Opinionated polysemy library (apache, development, library)2024-12-300.3.1.2haskellworks
hw-prelude170.01Opinionated prelude library (apache, development, library)2025-01-050.0.4.4haskellworks
hw-prim450.029Primitive functions and data types (bsd3, data, library)2022-10-300.6.3.2newhoggy, haskellworks, GeorgeWilson
hw-prim-bits (deprecated)40.00Primitive support for bit manipulation (bsd3, data, deprecated, library, program)2021-09-180.1.0.5newhoggy, haskellworks
hw-rankselect522.014Rank-select (bit, bsd3, data, data-structures, library, program, succinct-data-structures)2022-03-230.13.4.1newhoggy, haskellworks, GeorgeWilson
hw-rankselect-base230.015Rank-select base (bit, bsd3, data, data-structures, library, succinct-data-structures)2020-06-090.3.4.1newhoggy, haskellworks, GeorgeWilson
hw-simd40.04SIMD library (bit, bsd3, data, library, simd)2022-12-190.1.2.2newhoggy, haskellworks
hw-simd-cli20.00SIMD library (bit, bsd3, data, library, program, simd)2021-03-170.0.0.1newhoggy, haskellworks
hw-streams90.02Primitive functions and data types (bsd3, data, library)2024-08-150.0.1.1newhoggy, haskellworks
hw-string-parse120.06String parser (bit, bsd3, data, library)2022-03-200.0.0.5newhoggy, haskellworks, GeorgeWilson
hw-succinct40.02Succint datastructures (conduit, data, library, mit)2016-10-240.1.0.1newhoggy, haskellworks
hw-tar30.00Library for creating and extracting tar archives (bsd3, codec, library, program)2021-03-090.0.0.1haskellworks
hw-uri30.01Supports IO on URIs (bsd3, data, library, program)2020-03-120.2.1.0newhoggy, haskellworks
hw-vector (deprecated in favor of hw-prim)50.01Vector type with convenient typeclass instances (bsd3, data, deprecated, library)2016-10-280.0.0.1haskellworks
hw-xml62.01XML parser based on succinct data structures. (bsd3, data, data-structures, library, program, succinct-data-structures, xml)2024-01-100.5.1.2newhoggy, haskellworks
hweblib80.01Haskell Web Library (bsd3, library, web)2014-05-250.6.3AycanIrican
hwhile62.00An implementation of Neil D. Jones' While language (gpl, language, library, program)2019-03-070.1.1.6alexj136
hworker22.01A reliable at-least-once job queue built on top of redis. (library, unclassified)2015-11-020.1.0.1DanielPatterson, LibbyHoracek
hworker-ses20.01Library for sending email with Amazon's SES and hworker (library, web)2017-09-130.1.1.1DanielPatterson, LibbyHoracek
hwormhole20.00magic-wormhole client (gpl, library, network, program)2019-03-290.2.0.1rkrishnan
hwsl240.03Hashing with SL2 (data, library, mit)2017-11-030.4.0.1srijs
hwsl2-bytevector20.01A hashed byte-vector based on algebraic hashes and finger trees (data, library, mit)2015-07-150.1.0.0srijs
hwsl2-reducers10.01Semigroup and Reducer instances for Data.Hash.SL2 (data, library, mit)2015-07-030.1.0.0srijs
hx10.03Haskell extras (missing utility functions). (library, mit, utilities)2013-06-240.4JulianFleischer
hxournal20.01A pen notetaking program written in haskell (application, bsd3, library, program)2012-09-030.6.6.1IanWooKim
hxt420.0100A collection of tools for processing XML with Haskell. (library, mit, xml)2021-03-219.3.1.22IsaacJones, UweSchmidt
hxt-binary10.02Serialisation and deserialisation of HXT XmlTrees. (library, xml)2010-03-100.0.2UweSchmidt
hxt-cache30.02Cache for HXT XML Documents and other binary data (library, xml)2016-10-189.1.0.2UweSchmidt
hxt-charproperties370.010Character properties and classes for XML and Unicode (library, mit, text)2021-02-089.5.0.0UweSchmidt
hxt-css70.01CSS selectors for HXT (bsd3, html, library, xml)2016-08-230.1.0.3MariosTitas
hxt-curl70.03LibCurl interface for HXT (library, xml)2015-02-069.1.1.1UweSchmidt
hxt-expat80.02Expat parser for HXT (library, xml)2012-01-129.1.1UweSchmidt
hxt-extras30.03Extra functions for HXT (bsd3, library, xml)2011-09-110.4.1ThomasDuBuisson, TonyMorris
hxt-filter10.03A collection of tools for processing XML with Haskell (Filter variant). (library, xml)2010-03-158.4.2UweSchmidt
hxt-http130.02Interface to native Haskell HTTP package HTTP (library, mit, xml)2015-02-069.1.5.2UweSchmidt
hxt-pickle-utils20.03Utility functions for using HXT picklers. (bsd3, library, xml)2015-04-100.1.0.3AdamBergmark, ErikHesselink
hxt-regex-xmlschema340.08A regular expression library for W3C XML Schema regular expressions (library, mit, text)2021-02-089.2.0.7UweSchmidt
hxt-relaxng30.02The HXT RelaxNG validator (library, mit, xml)2015-02-069.1.5.5UweSchmidt
hxt-tagsoup70.03TagSoup parser for HXT (library, xml)2016-09-169.1.4UweSchmidt
hxt-unicode220.09Unicode en-/decoding functions for utf8, iso-latin-* and other encodings (library, mit, text)2015-02-069.0.2.4UweSchmidt
hxt-xpath180.08The XPath modules for HXT. (library, xml)2015-02-069.1.2.2UweSchmidt
hxt-xslt40.01The XSLT modules for HXT. (library, xml)2015-02-069.1.1.1UweSchmidt
hxthelper10.02Helper functions for HXT (library, xml)2010-10-050.2.2StefanWehr
hxweb10.01Minimal webframework using fastcgi, libxml2 and libxslt. (bsd3, library, web)2006-09-260.1DavidHimmelstrup
hybrid-vectors80.06Hybrid vectors e.g. Mixed Boxed/Unboxed vectors (bsd3, data, library, vector)2024-12-040.2.5EdwardKmett, ryanglscott
hydra22.00Type-aware transformations for data and programs (apache, data, library)2024-09-090.8.0joshsh
hydra-hs30.01Haskell binding to the Sixense SDK for the Razer Hydra (bsd3, hardware, library)2014-01-061.0.0.2MarcelRuegenberg
hydra-print20.02NCurses interface to view multiple ByteString streams in parallel. (bsd3, concurrency, library, program)2013-04-220.1.0.3RyanNewton
hydrogen10.01An alternate Prelude (gpl, library, prelude)2015-04-050.3.0.0KarlVoelker
hydrogen-cli-args100.01Hydrogen Command Line Arguments Parser (language, library, mit)2015-03-220.17JulianFleischer
hydrogen-data50.01Hydrogen Data (bsd3, language, library)2015-01-080.14JulianFleischer
hydrogen-multimap40.03Hydrogen Multimap (language, library, mit)2015-03-260.3JulianFleischer
hydrogen-parsing60.03Hydrogen Parsing Utilities (language, library, mit)2015-03-220.17JulianFleischer
hydrogen-prelude110.07Hydrogen Prelude (language, library, mit)2015-03-260.20JulianFleischer
hydrogen-prelude-parsec40.01Hydrogen Prelude /w Parsec (language, library, mit)2015-03-220.17JulianFleischer
hydrogen-syntax120.02Hydrogen Syntax (bsd3, language, library)2015-03-220.17JulianFleischer
hydrogen-util (deprecated in favor of hydrogen-parsing, hydrogen-prelude)50.03Hydrogen Tools (bsd3, deprecated, language, library)2014-12-160.8JulianFleischer
hydrogen-version80.02Hydrogen Version Type (language, library, mit)2015-03-261.4JulianFleischer
hyena10.05Simple web application server (bsd3, library, network)2010-11-110.1.0.1JohanTibell
hylide20.00WebGL live-coding environment for writing shaders with Hylogen (graphics, library, mit, program)2016-10-290.1.5.1sleexyz
hylogen42.251GLSL embedded in Haskell (graphics, library, mit)2016-10-290.1.5.1sleexyz
hylolib40.01Tools for hybrid logics related programs (library, theorem-provers)2019-04-251.5.4GuillaumeHoffmann
hyper40.02Display class for the HyperHaskell graphical Haskell interpreter (bsd3, graphics, library, pretty-printer)2021-05-080.2.1.1HeinrichApfelmus
hyper-extra50.01Display instances for the HyperHaskell graphical Haskell interpreter (bsd3, graphics, library, pretty-printer)2021-05-080.2.0.1HeinrichApfelmus
hyperbole110.00Interactive HTML apps using type-safe serverside Haskell (bsd3, library, network, program, web)2025-01-310.4.3seanhess
hyperdrive20.01a fast, trustworthy HTTP(s) server built (bsd3, library, program, web)2013-01-080.1JeremyShaw
hyperfunctions20.01Hyperfunctions (bsd3, categories, control, library)2015-06-210EdwardKmett
hypergeomatrix60.00Hypergeometric function of a matrix argument (bsd3, library, math, numeric)2024-03-251.1.0.2stla
hypergeometric112.250Hypergeometric functions (agpl, library, math, statistics)2024-10-310.1.5.1vmchale
hyperion20.00Reliable performance measurement with robust data export. (benchmarking, bsd3, library, program)2017-09-060.1.0.0MathieuBoespflug
hyperloglog152.03An approximate streaming (constant space) unique object counter (bsd3, library, numeric)2025-01-250.5EdwardKmett, EricMertens, ryanglscott
hyperloglogplus22.01Approximate cardinality estimation using constant space (bsd3, haskell, library)2016-07-050.1.0.0ezhulenev
hyperpublic20.01A thin wrapper for the Hyperpublic API (library, public-domain, web)2011-10-270.1.1MichaelCraig
hyperscript10.00A parser for the _hyperscript programming language (bsd3, library, program, web)2022-01-300.1.0.1rashad1030
hypertypes50.00Typed ASTs (algorithms, bsd3, compilers-interpreters, language, library, logic, unification)2023-07-250.2.2YairChuchem
hyphenate (deprecated)30.01Text hyphenation algorithm (bsd3, deprecated, library, text)2009-02-100.1RohanDrape
hyphenation792.06Configurable Knuth-Liang hyphenation (bsd2, library, text)2025-03-030.8.3EdwardKmett, EricMertens, VladimirShabanov, ryanglscott
hypher10.01A Haskell neo4j client (database, library, mit)2015-02-150.1.5jetaggart
hyraxAbif50.01Modules for parsing, generating and manipulating AB1 files. (ab1, abif, bioinformatics, chromatogram, library, program)2023-12-080.2.4.5andrevdm
hz3 (deprecated)30.00Bindings for the Z3 Theorem Prover (bit-vectors, bsd3, deprecated, formal-methods, library, math, smt, theorem-provers)2019-10-0196.0.0.0
hzaif30.00This package is Zaif Exchange Api wrapper (bsd3, library, program, web)2016-01-240.1.0.0
hzenhan40.01Zenhan library for Haskell (bsd3, library, text)2021-04-120.0.5karky7
hzenity40.01Haskell interface to Zenity dialogs (bsd3, development, library)2021-12-250.4.1EmilAxelsson
hzk60.05Haskell client library for Apache Zookeeper (bsd3, database, library)2014-10-172.1.0DiegoSouza
hzulip52.02A haskell wrapper for the Zulip API. (gpl, library, web)2016-01-271.1.1.3yamadapc
i20.00Haskell interval types. Bounds checking. (apache, library, numbers)2023-03-220.1RenzoCarbonara
i18n20.01Internationalization for Haskell (bsd3, library, text)2016-08-220.4.0.0EugeneGrigoriev, filib
i3blocks-hs-contrib92.00Base i3blocks written in haskell (distribution, library, mit, program)2020-04-252.1.0panavtec
i3ipc20.00A type-safe wrapper around i3's IPC (bsd3, i3, lib, library, windowmanager)2020-05-010.2.0.0leshow
iCalendar152.02iCalendar data types, parser, and printer. (bsd3, library, text)2024-12-220.4.1.1ChristianRoedliAmble, ClintAdams, EelcoLempsink, schoettl
iException (deprecated)20.01Version of Control.Exception using InterleavableIO. (deprecated, library, monads)2008-07-230.0.1MarcoSilva
iap-verifier20.01A simple wrapper of In-App-Purchase receipt validate APIs. (library, mit, network)2015-05-260.1.0.1tattsun
ib-api20.00An API for the Interactive Brokers Trading Workstation written in pure Haskell (gpl, library, network, program)2015-07-280.1.0.1rbermani
iban20.01Validate and generate IBANs (bsd3, finance, library)2015-11-270.1.1.1ibotty, jv
ibus-hs50.02A simple uncomplete ibus api (lgpl, library, system)2016-01-090.0.0.1ongyerth
ical (deprecated in favor of iCalendar)32.00iCalendar format parser and org-mode converter. (bsd3, deprecated, library, program, web)2015-11-240.0.1ChrisDone
ice40-prim32.01Lattice iCE40 Primitive IP (bsd3, hardware, library)2024-01-160.3.1.4dopamane
icepeak30.00A fast JSON document store with push notification support. (bsd3, library, program, web)2022-11-171.0.0.0fatho, rkrzr
icfpc2020-galaxy60.00A strange message received at the Pegovka observatory (acme, library, mit)2020-08-040.2.0.0mniip
icon-fonts30.01Package for handling icon fonts in Haskell (bsd3, graphics, library)2018-03-120.2.1.1rprospero
iconv140.011String encoding conversion (bsd3, library, text)2015-06-010.4.1.3DuncanCoutts, IanLynagh
iconv-typed10.01Type safe iconv wrapper (bsd3, library, web)2016-10-250.2.0.0AlfredoDiNapoli
ide-backend30.02An IDE backend library (development, library, mit, program)2016-01-060.10.0.1MichaelSloan, MichaelSnoyman
ide-backend-common20.02Shared library used be ide-backend and ide-backend-server (development, library, mit)2016-01-060.10.1.2MichaelSloan, MichaelSnoyman
ide-backend-rts (deprecated in favor of ide-backend-server)60.01RTS for the IDE backend (deprecated, development, library, mit)2015-03-300.1.3.1MichaelSloan, MichaelSnoyman
ideas20.03Feedback services for intelligent tutoring systems (apache, education, library)2019-09-131.8AlexGerdes, BastiaanHeeren, JohanJeuring
ideas-math-types40.01Common types for mathematical domain reasoners (apache, education, library)2019-10-301.1BastiaanHeeren
idempotent40.01Idempotent monoids (data, library, mit)2014-08-180.1.2alynn
identicon80.02Flexible generation of identicons (bsd3, graphics, image, library)2023-12-290.2.3mrkkrp
identicon-style-squares52.01Squares style for the identicon package (bsd3, graphics, library)2019-01-020.1.0.1fgaz
identifiers30.01Numeric identifiers for values. (bsd3, data, library)2017-05-200.4.3.0awagner83
idiii50.01ID3v2 (tagging standard for MP3 files) library (bsd3, library, program, sound, text)2012-11-040.1.3.3AlexeyAlekhin, BartonMassey, ChrisWagner
idiomatic10.00Deriving Applicative for sum types.. Idiomatically. (bsd3, generics, library)2022-04-160.1.1.0BaldurBlondal
idna50.03Implements IDNA (RFC 3490). (bsd3, data, library, rfc, text)2014-01-060.3.0GeorgePollard
idna2008 (deprecated)32.02Converts Unicode hostnames into ASCII (bsd3, deprecated, library, network)2011-07-060.0.1.0JonKristensen
idringen60.00A project manage tool for Idris. (bsd3, development, library, program)2016-08-240.1.0.3zjhsdtc
idris322.251Functional Programming Language with Dependent Types (bsd3, compilers-interpreters, dependent-types, library, program)2021-10-221.3.4EdwinBrady, niklasl
ieee (deprecated in favor of ieee754)50.02Utilities for dealing with IEEE floating point numbers (bsd3, deprecated, library, math)2010-09-200.7PatrickPerry
ieee-utils40.02ieee-utils (bsd3, library, numerical)2008-10-160.4.0MattMorrow
ieee-utils-tempfix30.01ieee-utils (bsd3, library, numerical)2014-03-220.4.0.1MichalKonecny
ieee754142.028Utilities for dealing with IEEE floating point numbers (bsd3, library, math)2017-01-300.8.0PatrickPerry
ieee754-parser (deprecated in favor of data-binary-ieee754)30.01 (data, deprecated, library)2009-04-110.1JohnMillikin
iexcloud10.00Library for the IEX Trading API (bsd3, library, net)2019-07-130.0.0.1davidb, ksallberg, joshua_morris
if60.01(?) and (?>) conditional operator (bsd3, control, library)2016-11-170.1.0.0winterland
if-instance40.00Branch on whether a constraint is satisfied (bsd3, library, plugin, type-system)2024-11-290.5.2.0sheaf
ifcxt12.251put if statements within type constraints (bsd3, control, library)2016-08-030.1.1MikeIzbicki
iff90.01Constructing and dissecting IFF files (codec, gpl, library)2023-02-150.0.6.1HenningThielemann
ifscs50.02An inductive-form set constraint solver (bsd3, constraints, library)2013-10-220.2.0.0TristanRavitch
ig32.01Bindings to Instagram's API. (bsd3, library, web)2016-06-300.8FelipeLessa, JeanPhilippeMoresmau, cdepillabout
ige-mac-integration (deprecated in favor of gtk3-mac-integration)20.02Bindings for the Gtk/OS X integration library. (deprecated, graphics, lgpl, library)2011-04-220.1.0.1HamishMackenzie
ignore31.51Handle ignore files of different VCSes (bsd3, library, program, system)2015-08-230.1.1.0AlexanderThiemann
igraph12.01Bindings to the igraph C library. (bsd3, data-structures, graphs, library)2013-01-150.1.1NilsSchweinsberg
igrf40.01International Geomagnetic Reference Field (bsd3, library, science)2020-05-040.4.0.0dmcclean
ihaskell262.518A Haskell backend kernel for the Jupyter project. (development, library, mit, program)2024-11-030.12.0.0gibiansky, VaibhavSagar
ihaskell-aeson40.01IHaskell display instances for Aeson (development, library, mit)2017-12-240.3.0.1gibiansky, VaibhavSagar
ihaskell-basic30.01IHaskell display instances for basic types (development, library, mit)2015-06-240.3.0.0gibiansky, VaibhavSagar
ihaskell-blaze50.03IHaskell display instances for blaze-html types (development, library, mit)2017-12-240.3.0.1gibiansky, VaibhavSagar
ihaskell-charts30.01IHaskell display instances for charts types (development, library, mit)2017-12-240.3.0.1gibiansky, VaibhavSagar
ihaskell-diagrams130.01IHaskell display instances for diagram types (development, library, mit)2023-11-080.4.0.0gibiansky, VaibhavSagar
ihaskell-display (deprecated in favor of ihaskell)30.01IHaskell display instances for basic types (deprecated, development, library, mit)2014-01-100.1.0.0gibiansky, VaibhavSagar
ihaskell-gnuplot30.01IHaskell display instance for Gnuplot (from gnuplot package) (development, library, mit)2017-12-240.1.0.1VaibhavSagar
ihaskell-graphviz40.00IHaskell display instance for GraphViz (external binary) (development, library, mit)2019-04-260.1.0.0VaibhavSagar
ihaskell-hatex50.01IHaskell display instances for hatex (development, library, mit)2017-12-240.2.1.1gibiansky, VaibhavSagar
ihaskell-hvega92.01IHaskell display instance for hvega types. (bsd3, development, library)2025-01-010.5.0.6DouglasBurke
ihaskell-inline-r10.01Embed R quasiquotes and plots in IHaskell notebooks. (bsd3, development, library)2016-01-240.1.1.0FacundoDominguez, MathieuBoespflug
ihaskell-juicypixels100.01IHaskell - IHaskellDisplay instances of the image types of the JuicyPixels package. (development, library, mit)2017-12-241.1.0.1gibiansky, VaibhavSagar
ihaskell-magic50.01IHaskell display instances for bytestrings (development, library, mit)2017-12-240.3.0.1gibiansky, VaibhavSagar
ihaskell-parsec10.01IHaskell display instances for Parsec (development, library, mit)2015-06-240.3.0.0gibiansky, VaibhavSagar
ihaskell-plot40.01IHaskell display instance for Plot (from plot package) (development, library, mit)2017-12-240.3.0.1gibiansky, VaibhavSagar
ihaskell-rlangqq20.01a rDisp quasiquote to show plots from Rlang-QQ in IHaskell (bsd3, development, library)2015-06-240.3.0.0gibiansky, VaibhavSagar
ihaskell-symtegration20.00IHaskell extension for making the use of Symtegration more seamless. (apache, development, ihaskell, integration, library, symbolic-computation)2025-02-010.1.0chungyc
ihaskell-widgets100.01IPython standard widgets for IHaskell. (library, mit, unclassified)2023-11-080.4.0.0gibiansky, VaibhavSagar
ihp-hsx50.00JSX-like but for Haskell (html, library, mit)2025-02-201.4.1MarcScholten
ihp-openai20.00Call GPT4 from your Haskell apps (ai, library, mit)2024-07-211.3.0MarcScholten
ihttp (deprecated)30.01Incremental HTTP iteratee (bsd3, deprecated, library, network, program)2011-06-150.3.0ErtugrulSoeylemez, esz
ilist140.016Optimised list functions for doing index-related things (library, list, mpl)2020-05-070.4.0.1vrom911, brandonhamilton
illuminate22.01A fast syntax highlighting library built with alex. (bsd3, library, text)2011-07-080.1JohnMacFarlane
image-type40.02Determine the type of an image by reading the first bytes. (bsd3, graphics, library)2014-08-040.1.0.0BaldurBlondal
imagefilters40.01Image Filters (contrast, brightness, gaussian blur, etc) (bsd3, graphics, library)2012-01-150.1TimChannell
imagemagick92.01bindings to imagemagick library (graphics, library)2016-06-070.0.4.2AlexanderVershilov
imagesize-conduit170.03Determine the size of some common image formats. (bsd3, conduit, graphics, library)2015-03-311.1AdamBergmark, FelipeLessa, MichaelSnoyman, lostbean
imap20.01An efficient IMAP client library, with SSL and streaming (bsd3, library, network)2018-12-030.3.0.9mkawalec
imbib20.01Minimalistic .bib reference manager. (library, program, text)2024-02-081.2.5JeanPhilippeBernardy
imgur20.00A function to post an image to imgur (apache, library, tools)2019-07-051.0DmitryIvanov
imgurder20.01Uploader for Imgur (bsd3, library, program, web)2011-10-271.2DanColish
imj-animation12.01Animation Framework (algorithms, animation, bsd3, game-engine, graphics, library)2018-01-010.1.0.2OlivierSohn
imj-base22.02Game engine with geometry, easing, animated text, delta rendering. (algorithms, animation, bsd3, game-engine, graphics, library, mathematics, optimisation, optimization, program, terminal, user-interface)2018-01-010.1.0.2OlivierSohn
imj-game-hamazed22.00A game with flying numbers and 8-bit color animations. (animation, application, bsd3, education, game, graphics, library, program)2018-01-010.1.0.2OlivierSohn
imj-prelude20.03Prelude library. (bsd3, game-engine, library)2018-01-010.1.0.2OlivierSohn
imm110.01Execute arbitrary actions for each item from RSS/Atom feeds (library, program, public-domain, web)2024-09-222.1.3.0koral
immortal150.07Spawn threads that never die (unless told to do so) (concurrency, library, mit)2018-04-160.3RomanCheplyaka
immortal-queue82.00Build a pool of queue-processing worker threads. (bsd3, concurrency, library)2020-03-030.1.0.1lysergia
immortal-worker20.00Create worker threads that logs exceptions and restarts. (concurrency, library, mit)2020-10-040.1.0.0NCrashed
imp100.00A GHC plugin for automatically importing modules. (library, mit, plugin)2025-02-021.0.3.1fozworth
imparse20.01Multi-platform parser analyzer and generator. (gpl, library, program, text)2013-08-200.0.0.3AndreiLapets
imperative-edsl70.03Deep embedding of imperative programs with code generation (bsd3, language, library)2021-08-280.9AndersPersson, EmilAxelsson, mararon
imperative-edsl-vhdl (deprecated in favor of hardware-edsl)50.01Deep embedding of VHDL programs with code generation. (bsd3, deprecated, language, library)2015-12-140.3.2mararon
impl10.00Framework for defaulting superclasses (development, library, mit, template-haskell)2018-11-270.2.0.0dailectic
implicit152.01A math-inspired programmatic 2D & 3D CAD system. (agpl, graphics, library)2023-12-180.4.1.0ChristopherOlah, Juri_
implicit-hie420.02Auto generate hie-bios cradles & hie.yaml (bsd3, development, hie, hls, library, tools)2022-12-220.1.4.0Avi_Dessauer
implicit-hie-cradle150.01Auto generate hie-bios cradles (bsd3, development, hie, hls, library, tools)2023-03-150.5.0.1Avi_Dessauer
implicit-logging30.01A logging framework built around implicit parameters. (control, lgpl, library)2016-09-110.2.0.0rev_null
implicit-params20.01Named and unnamed implicit parameters with defaults. (bsd3, data, library)2013-12-230.2.1ShaneOBrien
import-style-plugin40.00Helps maintain consistency of imports (development, library, mit)2024-04-300.1.0.0goosedb
importify20.00Tool for haskell imports refactoring (development, library, mit, program, refactoring)2017-12-231.0.1serokell
imports22.01Generate code for importing directories automatically (development, library, mit)2016-01-210.2.0.0CindyLinz
impossible60.02Set of data and type definitions of impossible types. Impossible types are useful when declaring type classes / type families instances that should not be expanded by GHC until a specific type is provided in order to keep the types nice and readable. (apache, data, library)2018-12-181.1.4danilo2, iamrecursion
imprevu30.04Reactive programming language based on a DSL (bsd3, language, library)2017-03-130.1.0CorentinDupont
imprevu-happstack30.01Imprevu support for Happstack (bsd3, language, library)2017-03-130.1.0CorentinDupont
imprint (deprecated in favor of distributed-closure)20.01Serialization of arbitrary Haskell expressions (bsd3, deprecated, library, serialization)2018-01-080.0.1.0mrkkrp
improve50.02An imperative, verifiable programming language for high assurance applications. (bsd3, embedded, formal-methods, language, library)2011-07-290.4.0TomHawkins
impure-containers50.01Mutable containers in Haskell. (bsd3, data-structures, library)2020-02-140.5.1andrewthad, chessai
in-other-words70.04A higher-order effect system where the sky's the limit (bsd3, control, library)2022-06-150.2.1.1KingoftheHomeless
in-other-words-plugin50.01Disambiguate obvious uses of effects when using in-other-words. (bsd3, control-language, library)2021-01-300.1.0.0KingoftheHomeless
inbox70.00Inbox for asychronous messages (bsd3, library, testing)2021-07-170.2.0luntain
inc-ref20.01A STM reference useful for incremental computing (bsd3, concurrency, library)2014-07-250.3.0.0JonathanFischoff
inchworm30.01Simple parser combinators for lexical analysis. (library, mit, parsing)2019-01-021.1.1.2BenLippmeier
incipit100.04A Prelude for Polysemy (library, prelude)2025-03-150.10.0.1tek
incipit-base290.04A Prelude for Polysemy – Base Reexports (library, prelude)2025-03-150.6.1.1tek
incipit-core230.010A Prelude for Polysemy (library, prelude)2025-03-150.6.1.1tek
include-env30.00Include the value of an environment variable at compile time (bsd3, development, library)2022-01-080.5.0.0ocramz
include-file60.01Inclusion of files in executables at compile-time. (bsd3, development, library)2019-02-070.1.0.4DanielDiaz
incremental110.02incremental update library (bsd3, data, library)2020-09-190.3.1FumiakiKinoshita
incremental-computing50.01Incremental computing (bsd3, data, library)2016-07-250.0.1.0WolfgangJeltsch
incremental-maps20.01Package for doing incremental computations on maps (bsd3, data, library)2016-05-250.0.0.0jelken
incremental-parser370.05Generic parser library capable of providing partial results from partial input. (gpl, library, parsing)2023-12-190.5.1MarioBlazevic
incremental-sat-solver150.03Simple, Incremental SAT Solving as a Library (algorithms, bsd3, library)2016-08-310.1.8SebastianFischer
increments20.01type classes for incremental updates to data (bsd3, data, library)2015-01-070.1.0.4JohnLato
indent50.00Fix your indentation. (bsd3, indentation, library, program, text)2019-06-120.0.5vapourismo
indentation50.02Indentation sensitive parsing combinators for Parsec and Trifecta (bsd3, library, parsing)2018-10-060.3.3MichaelAdams, OmerAgacan, AlekseyKliger
indentation-core10.03Indentation sensitive parsing combinators core library (bsd3, library, parsing)2018-10-060.0.0.2AlekseyKliger
indentation-parsec60.02Indentation sensitive parsing combinators for Parsec (bsd3, library, parsing)2018-10-060.0.0.2AlekseyKliger
indentation-trifecta60.01Indentation sensitive parsing combinators for Trifecta (bsd3, library, parsing)2018-10-060.1.0AlekseyKliger
indentparser30.01A parser for indentation based structures (library, public-domain, text)2012-01-170.1PiyushKurur
indents100.06indentation sensitive parser-combinators for parsec (bsd3, library, parsing, text)2019-10-020.5.0.1JasperVanDerJeugt, SamAnklesaria
index-core20.02Indexed Types (bsd3, control, indexed, library)2016-06-121.0.4GabrielGonzalez
indexation30.01Tools for entity indexation (data, library, mit)2018-10-080.8NikitaVolkov, IrinaArtemeva, OShev
indexed80.014Haskell98 indexed functors, monads, comonads (bsd3, control, library)2016-09-170.1.3ReinerPope, typedrat
indexed-containers90.00Simple, no-frills indexed lists. (bsd3, data-structures, library)2020-03-020.1.0.2zliu41
indexed-do-notation30.01Do notation for indexed monads (bsd3, language, library)2013-05-010.1FumiakiKinoshita
indexed-extras70.03Indexed functors, monads and comonads that require extensions to Haskell98 (bsd3, control, library)2016-07-080.2ReinerPope, typedrat
indexed-free30.02indexed monads for free (bsd3, control, library, monad)2013-11-270.3.1FumiakiKinoshita
indexed-list-literals192.02Type safe indexed list literals (bsd3, data, library)2020-04-300.2.1.3DavidMD
indexed-profunctors640.04Utilities for indexed profunctors (bsd3, data, lenses, library, optics, profunctors)2023-06-220.1.1.1AdamGundry, AndresLoeh, phadej, arybczak
indexed-state40.00Indexed State (bsd3, data, library)2024-05-150.0.5TonyMorris
indexed-transformers110.00Atkey indexed monad transformers (bsd3, control, library)2024-01-150.1.0.4echatav
indexed-traversable1310.046FunctorWithIndex, FoldableWithIndex, TraversableWithIndex (bsd2, data, library)2024-05-160.1.4phadej
indexed-traversable-instances1100.06More instances of FunctorWithIndex, FoldableWithIndex, TraversableWithIndex (bsd2, data, library)2024-05-160.1.2phadej
indextype20.04A series of type families and constraints for "indexable" types. (bsd3, control, library)2017-10-190.3.0.1clinton
indian-language-font-converter70.01Indian Language Font Converter (bsd3, language, library)2013-12-020.2AkashJagdhane
indices40.01Multi-dimensional statically bounded indices. (data, library, mit)2014-12-301.7.1MikeLedger
indieweb-algorithms20.01A collection of implementations of IndieWeb algorithms. (library, public-domain, web)2022-10-180.1.1valpackett
indigo20.00Convenient imperative eDSL over Lorentz. (language, library, mit, program)2023-03-310.6.0gromak, pasqu4le, serokell, rinn7e
inf-backprop62.00Automatic differentiation and backpropagation. (bsd3, library, mathematics)2025-02-060.1.1.0AlexeyTochin
inf-interval10.01Non-contiguous interval data types with potentially infinite ranges. (gpl, library, numeric)2016-05-310.1.0.2RaminHonary
infer-license140.01Infer software license from a given license file (development, library, mit)2018-07-150.2.0SimonHengel
infernal80.00The Infernal Machine - An AWS Lambda Custom Runtime for Haskell (aws, bsd3, library)2022-10-170.7.0ejconlon
inferno-core10.01A statically-typed functional scripting language (dsl, library, mit, scripting)2022-11-290.1.0.0sidk
inferno-lsp20.00LSP for Inferno (dsl, ide, library, mit, program, scripting)2022-11-290.1.0sidk
inferno-types20.03Core types for Inferno (dsl, library, mit, scripting)2022-11-290.1.0.0sidk
inferno-vc30.01Version control server for Inferno (dsl, library, mit, scripting)2022-11-290.1.0sidk
infernu20.01Type inference and checker for JavaScript (experimental) (gpl, library, program, unclassified)2015-04-180.0.0.1NoamLewis
infinite-list350.08Infinite lists (bsd3, data, library)2024-12-210.1.2Bodigrim
infinite-search40.01Exhaustively searchable infinite sets. (algorithms, bsd3, data, library, monads, search)2009-01-090.12LukePalmer
infix20.01Infix expression re-parsing (for HsParser library) (library, parsing)2008-03-050.1.1GwernBranwen
inflections72.07Inflections library for Haskell (library, mit, text)2023-08-080.4.0.7jsl, stackbuilders, sestrella, camm, elcuy, DiegoCenteno
inflist30.01An infinite list type and operations thereon. (bsd3, data, library)2012-02-050.0.1JamesFisher
influxdb140.04InfluxDB client library for Haskell (bsd3, database, library)2024-07-121.9.3.2MitsutoshiAoe
informative80.01A yesod subsite serving a wiki. (agpl, library, program, web)2016-04-040.1.0.27implementation
ini410.013Configuration files in the INI format. (bsd3, configuration, data, library)2022-07-250.4.2AndreasAbel, ChrisDone, chris_martin
ini-qq10.01Quasiquoter for INI (bsd3, configuration, data, library)2016-07-150.1.0.0kseo
inilist20.01Processing for .ini files with duplicate sections and options (bsd3, library)2015-07-250.2.0.0MikeMeyer
initialize10.02Initialization and Deinitialization of 'Storable' values. (bsd3, data, library)2018-10-250.1.1.0chessai
inj60.02A class for injective (one-to-one) functions (data, library)2018-07-061.0int_index
inj-base30.01'Inj' instances for 'base' (bsd3, data, library)2018-07-130.2.0.0int_index
inject40.01A minimalistic template engine (library, mit, program, text)2013-06-090.1.0SimonHengel
inject-function20.01Monadic functions with injected parameters. (control, gpl, library)2013-09-130.2.1.0DimitriSabadie
injections20.00Canonical categorical conversions (injections and projections) (bsd3, data, library)2021-08-260.1.0.0ThomasTuegel
inline-asm60.00Inline some Assembly in ur Haskell! (bsd3, ffi, library)2025-03-240.5.0.30xd34df00d
inline-c832.547Write Haskell source files including C code inline. No FFI required. (ffi, library, mit)2023-09-290.9.1.10FrancescoMazzoli, RobertHensing, junjihashimoto
inline-c-cpp230.012Lets you embed C++ code into Haskell. (ffi, library, mit)2023-09-290.5.0.2FrancescoMazzoli, RobertHensing, junjihashimoto
inline-c-cuda30.00Lets you embed CUDA code into Haskell. (ffi, library, mit)2023-09-290.1.0.0junjihashimoto
inline-c-objc20.00Lets you embed Objective-C code into Haskell. (ffi, library, mit)2023-05-200.1.0.0FrancescoMazzoli, junjihashimoto
inline-c-win3220.01Win32 API Context for the inline-c library (ffi, library, mit)2015-06-100.1anton_dessiatov
inline-java (deprecated)40.03Java interop via inline Java code in Haskell modules. (bsd3, deprecated, ffi, java, jvm, library)2020-11-300.10.0AlpMestanogullari, FacundoDominguez, MathieuBoespflug
inline-python80.00Python interpreter embedded into haskell. (bsd3, ffi, library)2025-03-100.1.1.1AlexeyKhudyakov
inline-r32.254Seamlessly call R from Haskell and vice versa. No FFI required. (bsd3, ffi, library)2023-05-221.0.1FacundoDominguez, MathieuBoespflug, RomanCheplyaka, connorbaker
inliterate32.02Interactive literate programming (library, mit, program, statistics)2017-06-060.1.0glutamate, ocramz
input-parsers110.05Extension of the parsers library with more capability and efficiency (bsd3, library, parsing)2023-11-250.3.0.2MarioBlazevic
insert-ordered-containers690.033Associative containers retaining insertion order for traversals. (bsd3, library, web)2024-07-030.2.6phadej
inserts20.01Stupid simple bytestring templates. (library, mit, text)2015-01-130.1.2JosephAbrahamson
inspection-testing902.53GHC plugin to do inspection testing (compiler-plugin, library, mit, testing)2025-01-010.6JoachimBreitner
inspector-wrecker30.00Create benchmarks from the HAR files (bsd3, library, program, web)2016-09-190.1.0.0JonathanFischoff
instana-haskell-trace-sdk452.00SDK for adding custom Instana tracing support to Haskell applications. (library, mit, monitoring, program)2023-05-240.10.2.0basti1302, pvital
instance-control60.01Controls how the compiler searches for instances using type families. (bsd3, control, library)2017-09-270.1.2.0lazac
instance-map20.01Template haskell utilities for helping with deserialization etc. of existential types (bsd3, dependent-types, library)2018-07-230.1.0.0rwarfield
instant-aeson20.01Generic Aeson instances through instant-generics (bsd3, generics, library)2015-08-090.2RenzoCarbonara
instant-bytes20.01Generic Serial instances through instant-generics (bsd3, generics, library)2015-08-090.2RenzoCarbonara
instant-deepseq10.01Generic NFData instances through instant-generics (bsd3, generics, library)2015-08-090.2RenzoCarbonara
instant-generics260.011Generic programming library with a sum of products view (bsd3, generics, library)2016-07-300.6JosePedroMagalhaes
instant-hashable30.01Generic Hashable instances through instant-generics (bsd3, generics, library)2015-08-090.2RenzoCarbonara
instant-zipper30.01Heterogenous Zipper in Instant Generics (generics, library)2010-11-160.0.0BramSchuur
instinct20.01Fast artifical neural networks (ai, bsd3, library)2011-08-220.1.0ErtugrulSoeylemez, esz
instrument20.01Easy stats/metrics instrumentation for Haskell programs (bsd3, data, library)2023-01-130.6.1.0MichaelXavier
instrument-chord150.01Render Instrument Chords (gpl, library, music)2019-03-120.1.0.11AlanHawkins
instrument-cloudwatch20.00Adds a worker for the instrument package that exports to Amazon CloudWatch (bsd3, library, web)2023-01-130.2.1.0MichaelXavier
int-cast102.06Checked conversions between integral types (bsd3, data, library)2018-04-030.2.0.0HerbertValerioRiedel
int-conv20.00Direct conversion functions between Ints and Words (bsd3, data, library)2025-02-021.0phadej
int-interval-map10.01Interval map (data, library, mit)2022-06-020.0.1.0luispedro
int-like30.02Newtype wrappers over IntSet and IntMap (bsd3, data-structures, library)2024-12-140.1.4ejconlon
int-multimap10.01A data structure that associates each Int key with a set of values (containers, library, mit)2018-05-210.3.1NikitaVolkov, effectfully, IrinaArtemeva, vlastachu, izubkov, OShev
int-supply60.02A simple, efficient supply of integers using atomic fetch-and-add. (bsd3, data, library)2023-11-271.0.0mitchellwrosen
intcode22.00Advent of Code 2019 intcode interpreter (compilers-interpreters, library)2020-01-190.3.0.0EricMertens
integer-conversion930.05Conversion from strings to Integer (bsd3, data, library)2024-05-130.1.1phadej
integer-gmp71.5113Integer library based on GMP (algebra, bsd3, library, numeric)2022-08-071.1BenGamari, HerbertValerioRiedel, LuiteStegeman, wz1000
integer-logarithms1170.026Integer logarithms. (algorithms, library, math, mit, number-theory)2024-12-201.0.4phadej
integer-pure10.02A pure-Haskell implementation of arbitrary-precision Integers. (bsd3, library, numeric)2014-04-241.0MalcolmWallace
integer-roots220.05Integer roots and perfect powers (algorithms, library, math, mit, number-theory)2021-11-221.0.2.0Bodigrim
integer-simple50.019Simple Integer library (bsd3, library, unclassified)2016-05-210.1.1.1BenGamari, HerbertValerioRiedel, wz1000
integer-types90.02Integer, Natural, and Positive (apache, library, numeric)2024-11-160.1.4.1chris_martin, Monoid_Mary
integration220.08Fast robust numeric integration via tanh-sinh quadrature (bsd3, graphics, library)2015-03-070.2.1EdwardKmett
integreat20.00Integrate different assays. (bioinformatics, gpl, library, program)2018-05-160.2.2.1GregorySchwartz
intel-aes30.01Hardware accelerated AES encryption and Random Number Generation. (bsd3, cryptography, library)2011-08-250.2.1.1RyanNewton
intelli-monad20.00Type level prompt with openai. (development, library, mit, program)2024-03-300.1.0.2junjihashimoto
intensional-datatys30.00A GHC Core plugin for intensional datatype refinement checking (bsd3, language, library)2020-07-240.2.0.0eddiejones
interact32.00instantly create REPL from any function (library, mit, repl, system)2020-06-210.2.0.0epoberezkin
interactive-plot22.00Interactive quick time series plotting (bsd3, interactive, library, program)2019-09-090.1.0.0jle
interchangeable (deprecated)20.01A type class for interchangeable data. (control, deprecated, library, mit)2015-01-180.2.0.0arowM
interleavableIO20.02Use other Monads in functions that asks for an IO Monad. (library, monads)2008-07-230.0.1MarcoSilva
interleave40.01Combinators for supporting interleaving of different behaviours (bsd3, control, library)2011-01-071.0NeilBrown
interlude40.02Replaces some Prelude functions for enhanced error reporting (development, library)2009-12-120.1.2GwernBranwen, KetilMalde
interlude-l30.02Prelude replacement based on protolude (library, mit, prelude)2018-12-020.5.0.0darwin226
intermediate-structures50.04Some simple functions to deal with transformations from structures to other ones, basically lists. (data, library, mit)2024-09-280.1.2.0OleksandrZhabenko
intern312.018Efficient hash-consing for arbitrary data types (bsd3, data, data-structures, library)2024-12-040.9.6EdwardKmett, ryanglscott
interp50.00Tracery-like randomized text interpolation (bsd3, interpolation, library, program, text)2019-02-181.0.0.2swizzard
interpol10.01GHC preprocessor and library to enable variable interpolation in strings (gpl, language, library, program, source-tools)2012-06-220.2.3AlexandruScvortov
interpolate262.018String interpolation done right (data, library, mit, text)2020-06-050.2.1SimonHengel
interpolatedstring-perl6262.59QuasiQuoter for Perl6-style multi-line interpolated strings (data, library, public-domain)2019-10-151.0.2AudreyTang
interpolatedstring-qq20.02QuasiQuoter for Ruby-style multi-line interpolated strings. (bsd3, data, library)2010-07-180.2ErikCharlebois
interpolatedstring-qq-mwotton (deprecated in favor of interpolatedstring-qq)50.01DO NOT USE THIS. interpolatedstring-qq works now. (bsd3, data, deprecated, library)2010-07-180.1.1MarkWotton
interpolatedstring-qq230.00QuasiQuoter for multi-line interpolated strings (bsd3, data, library)2019-05-060.1.0.0isovector
interpolation100.01piecewise linear and cubic Hermite interpolation (bsd3, library, math)2021-08-070.1.1.2HenningThielemann
interpolator70.00Runtime interpolation of environment variables in records using profunctors (data, library, mit)2020-07-131.1.0.2asariley, dfithian, MossPrescott
interprocess50.01Shared memory and control structures for IPC (bsd3, library, system)2022-07-020.2.1.0achirkin
interruptible40.01Monad transformers that can be run and resumed later, conserving their context. (bsd3, control, library)2016-06-080.1.1.1marcosdumay
interspersed60.01An abstraction over interspersing monadic actions (control, library, mit)2016-06-020.1.2NikitaVolkov
interval20.01Intervals with adherences. (data-structures, gpl, library)2016-08-211.20160821julm
interval-algebra450.01An implementation of Allen's interval algebra for temporal logic (algebra, bsd3, library, program, time)2023-05-262.2.0brendanrbrown
interval-functor40.00Intervals of functors. (bsd3, data, library)2024-10-040.0.0.1robrix
interval-patterns170.00Intervals, and monoids thereof (algebra, bsd3, charts, data-structures, library, math, statistics)2024-04-180.8.0melaniebrown
interval-tree-clock22.00Interval Tree Clocks (data, data-structures, distributed-computing, library, mit)2022-07-130.2.0.0arnemileswinter
intervals702.07Interval Arithmetic (bsd3, library, math)2024-12-040.9.3EdwardKmett, EricMertens, ryanglscott
intmap-graph50.01A graph library that allows to explore edges after their type (bsd3, graphs, library)2020-08-281.3.0.0TillmannVogt
intrinsic-superclasses82.01A quasiquoter for better instance deriving and default methods (language, library, mit)2018-07-140.4.0.0dailectic
intro110.02Safe and minimal prelude (library, mit, prelude)2020-08-280.9.0.0minad
intro-prelude10.01Intro reexported as Prelude (library, mit, prelude)2016-12-300.1.0.0minad
introduction40.01A prelude for safe new projects (library, mit, prelude)2016-09-300.0.1.0Norfair
introduction-test20.01A prelude for the tests of safe new projects (library, mit, testing)2016-09-300.0.1.0Norfair
intset30.02Pure, mergeable, succinct Int sets. (bsd3, data, library)2013-12-070.1.1.0SamTruzjan
intset-imperative70.01An imperative integer set written in Haskell. (bsd3, data-structures, library)2018-08-030.1.0.0hverr
invariant1830.018Haskell98 invariant functors (bsd2, control, data, library)2024-12-050.6.4NicolasFrisby, ryanglscott
inventory60.00Project statistics and definition analysis (bsd3, library, program, utility)2023-03-180.1.0.4aaronallen8455
invert42.00Automatically generate a function’s inverse (apache, functions, library)2025-01-211.0.0.5chris_martin, Monoid_Mary
invertible281.255bidirectional arrows, bijective functions, and invariant functors (bsd3, composition, control, data, library)2023-07-040.2.0.8DylanSimon
invertible-grammar150.01Invertible parsing combinators framework (bsd3, language, library)2023-11-120.1.3.5EugeneSmolanka
invertible-hlist20.01invertible functions and instances for HList (bsd3, composition, control, data, library)2017-03-070.2.0.2DylanSimon
invertible-hxt60.02invertible transformer instances for HXT Picklers (bsd3, composition, library, xml)2017-03-070.1DylanSimon
invertible-syntax20.02Invertible syntax descriptions for both parsing and pretty printing. (bsd3, library, text)2011-09-210.2.1TillmannRendel
involutive-semigroups40.00Semigroups with involution. (algebra, bsd3, data, library, math)2020-07-300.1.0.0nosewings
io-capture (deprecated)20.01Capture IO actions' stdout and stderr (bsd3, deprecated, library, system)2016-04-181.0.0YusakuHashimoto, mitchellwrosen
io-choice70.05Choice for IO and lifted IO (bsd3, control, library)2018-12-110.0.7KazuYamamoto
io-classes532.2510Type classes for concurrency with STM, ST and timing (apache, control, library)2024-08-271.7.0.0coot, IOHK
io-classes-mtl (deprecated in favor of io-classes)432.00Experimental MTL instances for io-classes (apache, control, deprecated, library)2024-05-170.1.2.0coot, IOHK
io-embed60.00Use Template Haskell to embed the result of an IO computation. (bsd3, data, library, template-haskell)2024-10-100.1.0.1gtollini
io-machine60.01Easy I/O model to learn IO monad (bsd3, education, library)2016-04-080.2.0.0YoshikuniJujo
io-manager72.01Skeleton library around the IO monad. (bsd3, library, program, training)2023-02-200.1.0.4MihaiMaruseac
io-memoize60.02Memoize IO actions (bsd3, library, system)2014-06-121.1.1.0DanBurton
io-reactive20.02An API for generating TIMBER style reactive objects. (bsd3, control, library, program, reactivity)2008-09-230.1.1AndyGill
io-region70.01Exception safe resource management with dynamic regions (bsd3, control, library)2015-04-240.1.1YurasShumovich
io-sim562.00A pure simulator for monadic concurrency with STM. (apache, library, testing)2024-08-271.6.0.0coot, IOHK
io-storage100.04A key-value store in the IO monad. (bsd3, data, database, library, system)2009-08-060.3WillDonnelly, frasertweedale
io-streams1022.5101Simple, composable, and easy-to-use stream I/O (bsd3, data, io-streams, library, network)2022-08-171.5.2.2DougBeardsley, GregoryCollins
io-streams-haproxy400.01HAProxy protocol 1.5 support for io-streams (bsd3, io-streams, library, network)2019-01-281.0.1.0DougBeardsley, GregoryCollins
io-streams-http30.01http-client for io-streams (bsd3, io-streams, library, web)2015-05-010.2.1.2DavidJohnson
io-string-like60.01Classes to handle Prelude style IO functions for different datatypes (bsd3, data, library)2018-01-140.1.0.1clinton
io-throttle40.01Limit number of IO actions started per second (concurrency, library, mit)2014-09-060.1.0rodrigosetti
ioctl20.08Type-safe I/O control package (data, library, mit, system)2010-02-200.0.1MaciejPiechotka
ion10.01EDSL for concurrent, realtime, embedded programming on top of Ivory (bsd3, embedded, language, library, program)2016-09-231.0.0.0hodapp
ioref-stable50.01iorefs with a unique stable index (library, mit, unknown)2016-05-170.1.1.0cocreature
iostring20.02A class of strings that can be involved in IO. (cssyd, library, mit)2017-02-150.0.0.0Norfair
iothread10.01run IOs in a single thread (concurrency, library, mit)2015-01-220.1.0.0tattsun
iotransaction10.01Supports the automatic undoing of IO operations when an exception is thrown. (control, library, mit)2013-05-040.1DylanShearer
ip120.025Library for IP and MAC addresses (bsd3, library, web)2024-03-011.7.8andrewthad, chessai, l3c_amartin
ip-quoter20.01Quasiquoter for IP addresses (library, mit, network)2015-06-241.0.1.1shlevy
ip2location30.01IP2Location Haskell package for IP geolocation. (development, library, mit)2024-12-048.5.1ip2location
ip2location-io30.00IP2Location.io Haskell package for IP geolocation and domain WHOIS. (development, library, mit)2025-02-131.0.0ip2location
ip2proxy40.00IP2Proxy Haskell package for proxy detection. (development, library, mit)2025-02-183.3.0ip2location
ipa22.00Internal Phonetic Alphabet (IPA) (bsd3, language, library)2021-06-140.3.1.1RoryTylerHayford
ipc (deprecated)20.01High level inter-process communication library (bsd3, deprecated, library, system)2010-10-200.0.5ThomasDuBuisson
ipcvar30.01Simple inter-process communication through IPCVars. (library, mit, system)2018-05-180.1.1JohnWiegley
ipfs70.00Access IPFS locally and remotely (apache, library, network)2023-04-051.4.1expede, dholms
ipfs-api20.01Auto-generated IPFS HTTP API (bsd3, library, network, web)2019-05-230.1.0.0KimAltintop, jkarni
ipld-cid10.01IPLD Content-IDentifiers <https://github.com/ipld/cid> (bsd3, data, library)2019-05-230.1.0.0KimAltintop, jkarni
ipopt-hs20.01haskell binding to ipopt and nlopt including automatic differentiation (bsd3, library, math, numeric, optimisation)2016-01-120.5.1.0AdamVogt
ipprint60.04Tiny helper for pretty-printing values in ghci console (bsd3, library, text)2015-10-080.6GlebAlexeyev, SpencerJanssen
iproute1680.071IP Routing Table (algorithms, bsd3, library, network)2024-10-241.7.15KazuYamamoto
iptables-helpers40.01iptables rules parser/printer library (bsd3, library, program, text)2013-05-190.5.0EvgenyTarasov
ipynb470.01Data structure for working with Jupyter notebooks (ipynb). (bsd3, library, text)2022-01-120.2JohnMacFarlane
ipython-kernel160.04A library for creating kernels for IPython frontends (development, library, mit)2023-11-080.11.0.0gibiansky, VaibhavSagar
irc100.03A small library for parsing IRC messages. (bsd3, data, library, network)2023-12-090.6.1.1TrevorElliott
irc-bytestring40.01serialization and parsing of IRC messages (bsd3, irc, library, network)2013-03-070.1AdamCurtis
irc-client30.01An IRC client library. (library, mit, network)2022-12-311.1.2.3barrucadu
irc-colors30.01Colourize your IRC strings (bsd3, irc, library, text)2015-04-130.1EdwardTjornhammar
irc-conduit40.03Streaming IRC message library using conduits. (library, mit, network)2022-12-310.3.0.6barrucadu
irc-core112.02IRC core library for glirc (library, network)2024-08-132.13EricMertens
irc-ctcp70.04A CTCP encoding and decoding library for IRC clients. (library, mit, network)2021-08-150.1.3.1barrucadu
irc-dcc20.00A DCC message parsing and helper library for IRC clients (library, mit, network)2017-03-192.0.1JanGerlinger
irc-fun-bot50.00Library for writing fun IRC bots. (irc, library, network, public-domain)2016-01-270.6.0.0akrasner
irc-fun-client30.01Another library for writing IRC clients. (irc, library, network, public-domain)2016-01-270.5.0.0akrasner
irc-fun-color20.00Add color and style decorations to IRC messages. (library, network, public-domain)2016-03-150.2.1.0akrasner
irc-fun-messages20.02Types and functions for working with the IRC protocol. (data, irc, library, network, public-domain)2016-09-050.4akrasner
irc-fun-types30.04Common types for IRC related packages (data, irc, library, network, public-domain)2016-09-050.2akrasner
ircbot62.02A library for writing IRC bots (bsd3, library, network, program)2023-12-140.6.6.2JeremyShaw
ircbouncer (deprecated)30.01None (bsd3, deprecated, library, unclassified)2014-12-080.2.0
ireal51.51Real numbers and intervals with relatively efficient exact arithmetic. (bsd3, data, library, math-)2015-10-310.2.3sydow
iri40.01RFC-based resource identifier library (iri, library, mit, network, uri, url)2024-09-020.5.1NikitaVolkov
iridium20.00Automated Local Cabal Package Testing and Uploading (bsd3, development, library, program)2018-10-030.1.5.8lspitzner
iris22.01Haskell CLI framework (cli, framework, library, mpl)2023-03-010.1.0.0shersh
iron-mq20.01Iron.IO message queueing client library (gpl, library, network)2014-12-270.1.1.0arnoblalam
ironforge30.02A technical demo for Antisplice. (bsd3, game, library, program)2016-04-040.1.0.36implementation
irt10.01Item Response Theory functions for use in computerized adaptive testing (bsd3, library, math)2017-08-030.2.0.1ElliotRobinson
is40.01Generic pattern predicates (bsd3, data, library)2018-11-190.4.3vlopez
isbn141.50ISBN Validation and Manipulation (apache, data, library)2023-12-261.1.0.5charukiewicz
isdicom20.01An executable and library to determine if a file is a DICOM file (bsd3, library, medical, program, system)2014-09-090.0.2TonyMorris
isevaluated40.02Check whether a value has been evaluated (data, ghc, library, mit)2012-07-230.3.0.2BertramFelgenhauer, SveinOveAas
islink60.01Check if an HTML element is a link (bsd3, html, library, xml)2014-10-070.1.0.0MariosTitas
ismtp (deprecated)30.01Advanced ESMTP library (bsd3, deprecated, library, network)2012-01-034.0.2ErtugrulSoeylemez, esz
iso-deriving70.00Deriving via arbitrary isomorphisms. (generics, library, mit)2020-04-240.0.8HansHoglund
iso3166-country-codes190.06A datatype for ISO 3166 country codes (data, library)2017-02-160.20140203.8JonFairbairn
iso63990.04ISO-639-1 language codes (bsd3, data, library)2015-01-250.1.0.3HugoGomes
iso8583-bitmaps50.01Parse and merge ISO 8583-style bitmaps (bsd3, data, library)2018-04-030.1.1.0IlyaPortnov
iso8601-duration50.02Types and parser for ISO8601 durations (bsd3, data, library)2024-06-100.1.2.0albertov, adrian
iso8601-time320.029Convert to/from the ISO 8601 time format (library, mit, time)2018-06-110.1.5AndrasSlemmer, NiklasHambuechen, PatrickChilton
isobmff10.00A parser and generator for the ISO-14496-12/14 base media file format (bsd3, codec, library)2019-02-080.14.0.0SvenHeyll
isobmff-builder71.51A (bytestring-) builder for the ISO-14496-12 base media file format (bsd3, codec, library)2017-02-230.11.3.0SvenHeyll
isocline450.01A portable alternative to GNU Readline (console, library, mit, program)2022-01-161.0.9daan
isohunt20.01Bindings to the isoHunt torrent search API (bsd3, library, web)2012-04-030.1.3ReinerPope
isomorphism-class620.02Isomorphism typeclass solving the conversion problem (conversion, library, mit)2025-02-020.3.0.1NikitaVolkov
isotope60.01Isotopic masses and relative abundances. (chemistry, gpl, library)2017-04-290.5.0.1Michaelt293
ispositive32.01Positive integers test. (bsd3, library, unclassified)2016-03-250.2stettberger
it-has10.00Automatically derivable Has instances. (bsd3, data, library)2020-05-180.2.0.0dnikolovv
itanium-abi170.03An implementation of name mangling/demangling for the Itanium ABI (bsd3, development, library)2025-02-180.1.3TristanRavitch
itemfield20.01A brick Widget for selectable summary of many elements on a terminal (bsd3, console, graphics, library)2017-02-061.2.5.0KevinQuick
iter-stats30.01iteratees for statistical processing (bsd3, library, math)2015-01-050.1.0.4JohnLato
iterIO30.04Iteratee-based IO with pipe operators (bsd3, data, enumerator, library, system)2012-04-190.2.2AmitLevy, DavidMazieres, DanielBGiffin
iterable20.02API for hierarchical multilevel collections. (bsd3, data-structures, library)2014-05-193.0MichalGajda
iteratee630.041Iteratee-based I/O (bsd3, data, library, system)2014-05-190.8.9.6JohnLato
iteratee-compress120.06Enumeratees for compressing and decompressing streams (bsd3, codec, data, library)2014-05-190.3.3.1JohnLato, MaciejPiechotka
iteratee-mtl (deprecated in favor of iteratee)30.01Iteratee-based I/O (bsd3, data, deprecated, library, system)2010-10-270.5.0.0JohnLato
iteratee-parsec70.01Package allowing parsec parser initeratee (data, library, mit, parsing)2010-11-280.0.6MaciejPiechotka
iteratee-stm20.01Concurrent iteratees using STM (bsd3, data, library)2012-04-100.1.2JohnLato
iterative-forward-search10.00An IFS constraint solver (constraints, library, mit)2021-07-290.1.0.0mbg, OscarH
iterio-server30.02Library for building servers with IterIO (bsd3, enumerator, library, network)2012-04-190.3AmitLevy
iterm-show50.02Enable graphical display of images inline on some terminals (bsd3, development, library, program)2018-10-100.1.0.1lukec
iterm-show-JuicyPixels30.01Orphan Show instances for JuciyPixels image types. (bsd3, development, library)2018-10-100.1.0.0lukec
iterm-show-diagrams40.01Orphan Show instances for diagrams package that render inline in some terminals (bsd3, graphics, library)2018-10-100.1.0.0lukec
ival (deprecated)40.01Intervals (bsd3, deprecated, library, unclassified)2018-09-220.2.0.0
ivar-simple40.01Write once concurrency primitives. (concurrency, library, mit)2020-10-050.3.3BertramFelgenhauer
ivor (deprecated in favor of idris)40.02Theorem proving library based on dependent type theory (bsd3, dependent-types, deprecated, library, theorem-provers)2011-06-160.1.14.1EdwinBrady, GwernBranwen
ivory32.2511Safe embedded C programming. (bsd3, language, library)2019-04-050.1.0.9EricMertens, LeePike
ivory-artifact70.04Manage additional data files during Ivory compilation. (bsd3, language, library)2016-12-160.1.0.5EricMertens, LeePike
ivory-avr-atmega328p-registers40.00Ivory register bindings for the Atmega328p (bsd3, language, library)2020-11-190.1.0.0erdeszt
ivory-backend-c10.05Ivory C backend. (bsd3, language, library)2018-07-170.1.0.8EricMertens, LeePike
ivory-bitdata (deprecated in favor of ivory)10.02Ivory bit-data support. (bsd3, deprecated, language, library, program)2014-03-260.2.0.0EricMertens, LeePike
ivory-eval30.01Simple concrete evaluator for Ivory programs (bsd3, library, testing)2019-04-050.1.0.6EricMertens, LeePike
ivory-hw20.02Ivory hardware model (STM32F4). (bsd3, language, library)2018-07-170.1.0.6EricMertens, LeePike
ivory-opts10.02Ivory compiler optimizations. (bsd3, language, library)2018-07-180.1.0.6EricMertens, LeePike
ivory-quickcheck70.01QuickCheck driver for Ivory. (bsd3, library, testing)2016-12-160.2.0.5EricMertens, LeePike
ivory-serialize30.01Serialization library for Ivory. (bsd3, language, library)2019-04-050.1.0.6EricMertens, LeePike
ivory-stdlib20.01Ivory standard library. (bsd3, language, library)2016-12-160.1.0.5EricMertens, LeePike
ivy-web30.01A lightweight web framework (bsd3, library, web)2011-10-280.2JamesDeng
iwlib60.02Bindings for the iw C library (bsd3, library, network, system)2022-07-110.1.2JoseAntonioOrtegaRuiz
ix30.00Indexed monads (bsd3, library, unclassified)2020-02-110.1.1.0
ix-shapable80.04Reshape multi-dimensional arrays. (bsd3, data, library)2009-05-180.1.0TracyWadleigh
ixmonad (deprecated in favor of effect-monad, type-level-sets)20.01Embeds effect systems into Haskell using parameteric effect monads (bsd3, control, deprecated, library, monads)2014-05-150.57DominicOrchard
ixset160.016Efficient relational queries on Haskell sets. (bsd3, data-structures, library)2022-04-221.1.1.2DavidFox, JeremyShaw
ixset-typed300.012Efficient relational queries on Haskell sets. (bsd3, data-structures, library)2022-05-100.5.1.0AndresLoeh
ixset-typed-binary-instance80.01Binary instance for ixset-typed. (data-structures, library, mit)2020-08-280.1.0.2locallycompact
ixset-typed-cassava50.00cassava encoding and decoding via ixset-typed (csv, data, library, mit)2021-08-230.0.2.0locallycompact
ixset-typed-conversions90.01Conversions from ixset-typed to other containers. (data-structures, library, mit)2020-09-140.1.2.0locallycompact
ixset-typed-hashable-instance100.01Hashable instance for ixset-typed. (data-structures, library, mit)2020-08-280.1.0.2locallycompact
ixshader10.01A shallow embedding of the OpenGL Shading Language in Haskell. (bsd3, game, library)2017-10-070.0.1.0SchellScivally
j32.00J in Haskell (array, bsd3, ffi, interpreters, j, library)2021-12-190.3.0.1vmchale
ja-base-extra40.02Extra functions I require in base (bsd3, development, library)2015-09-260.2.1.0justus
jacinda282.250Functional, expression-oriented data processing language (agpl, data, gpl, interpreters, language, library, program, text)2025-02-013.3.0.3vmchale
jack62.02Bindings for the JACK Audio Connection Kit (gpl, library, sound)2023-01-140.7.2.2HenningThielemann
jack-bindings (deprecated)20.01DEPRECATED Bindings to the JACK Audio Connection Kit (deprecated, library, mit, sound)2012-10-070.1.1PhilippBalzarek
jackminimix20.01control JackMiniMix (gpl, library, sound)2010-08-250.1RenickBell
jackpolynomials40.00Jack, zonal, Schur, and other symmetric polynomials (algebra, combinatorics, gpl, library, math)2024-07-131.4.7.0stla
jacobi-elliptic30.00Neville Theta Functions and Jacobi Elliptic Functions (bsd3, library, math, numeric)2023-10-180.1.3.0stla
jacobi-roots40.02Roots of two shifted Jacobi polynomials (Legendre and Radau) to double precision (bsd3, library, math)2014-05-270.2.0.4GregHorn
jacobi-theta30.02Jacobi Theta Functions (bsd3, library, math, numeric)2023-10-310.2.2.2stla
jaeger-flamegraph72.01Generate flamegraphs from Jaeger .json dumps. (bsd3, library, program, testing)2019-07-261.3.2fommil
jail20.01Jailed IO monad. (bsd3, library, security, system)2009-08-270.0.1.1SebastiaanVisser
jalaali60.01Jalaali calendar systems (library, mit, time)2020-11-141.0.0.0behrang
jalla20.01Higher level functions for linear algebra. Wraps BLAS and LAPACKE. (library, math)2015-06-260.2.0.1ChristianGosch
jammittools60.01Export sheet music and audio from Windows/Mac app Jammit (gpl, library, program, sound)2019-04-130.5.5.2mtolly
japanese-calendar70.01Data type of Japanese Calendar (Wareki). (bsd3, library, time)2019-04-010.1.1.0nakaji_dayo
japanese-holidays80.01Japanese holidays utility (bsd3, library, time)2020-01-081.0.0.0cohei
jarfind10.01Tool for searching java classes, members and fields in classfiles and JAR archives (development, language, library, program, utils)2012-10-300.1.0.3EugeneKirpichov
jarify20.00Jarification of Haskell sources (bsd3, ffi, java, jvm, library, program)2017-04-211.0MathieuBoespflug, FelixRaimundo
jaskell20.00Stack-based concatenative language embedded in Haskell (language, library, mit)2023-06-270.1.0.0OwenBechtel
jason20.00A fast JASONETTE-iOS JSON combinator library for haskell. (bsd3, library, program, value)2016-11-100.1.0.1Lupino
java-bridge-extras20.01Utilities for working with the java-bridge package. (ffi-tools, foreign, java, jvm, library, mit)2013-06-240.99JulianFleischer
java-character60.01Functions to simulate Java's Character class. (bsd3, development, library)2012-10-300.0.4TonyMorris
java-poker50.00The etude of the Haskell programming (game, library, mit, program)2016-01-130.1.2.0tobynet
java-reflect30.01Tools for reflecting on Java classes. (ffi-tools, foreign, java, jvm, library, mit)2013-06-240.99JulianFleischer
javaclass20.01Java class files (data, library)2016-03-070.0.1TonyMorris
javascript-bridge30.01Remote Monad for JavaScript on the browser (bsd3, library, network, program)2019-09-120.2.0AndyGill
javascript-extras120.02Extra javascript functions when using GHCJS (bsd3, library, program, web)2018-07-020.5.0.0louispan
javelin162.01Labeled one-dimensional arrays (data, data-science, data-structures, library, mit, program)2025-03-020.1.4.2LaurentRDC
javelin-frames150.00Type-safe data frames based on higher-kinded types. (data, data-science, data-structures, library, mit)2025-03-020.1.0.1LaurentRDC
javelin-io140.00IO operations for the `javelin` package (data, data-science, data-structures, library, mit)2025-03-020.1.1.3LaurentRDC
jbi10.00Just Build It - a "do what I mean" abstraction for Haskell build tools (development, library, mit, program)2018-02-070.2.0.0IvanMiljenovic
jcdecaux-vls20.01JCDecaux self-service bicycles API client (library, mit, web)2014-04-290.1.0Herzult
jdi20.01Implementation of Java Debug Interface (debug, gpl, jvm, language, library, program)2012-10-280.0.3VictorDenisov
jenga (deprecated)32.00Generate a cabal freeze file from a stack.yaml (bsd2, deprecated, development, library, program)2017-05-130.1.1.0ErikDeCastroLopo
jenkinsPlugins2nix150.00Generate nix for Jenkins plugins. (bsd3, library, nix, program)2021-08-160.5.0.0MateuszKowalczyk, ThomasBach
jespresso30.01Extract all JavaScript from an HTML page and consolidate it in one script. (bsd3, library, program, web)2015-06-221.0.2AndreyChudnov
jet30.00 (bsd3, library, program, unclassified)2021-12-060.0.0.2ChrisPenner
jet-stream20.00Yet another streaming library. (bsd3, library, streaming)2024-07-191.1.0.0DanielDiazCarrete
jinquantities22.01Unit conversion and manipulation library. (bsd3, data, library, math, physics, program)2018-09-120.1.1Novadiscovery
jira-wiki-markup670.01Handle Jira wiki markup (library, mit, program, text)2023-03-131.5.1tarleb
jl30.00Functional sed for JSON (bsd3, development, library, program)2022-05-170.1.0ChrisDone
jmacro182.017QuasiQuotation library for programmatic generation of Javascript code. (bsd3, language, library, program)2023-03-220.6.18GershomBazerman, JeremyShaw
jmacro-rpc22.03JSON-RPC clients and servers using JMacro, and evented client-server Reactive Programming. (bsd3, library, network, web)2018-05-110.3.3GershomBazerman, JeremyShaw
jmacro-rpc-happstack90.01Happstack backend for jmacro-rpc (bsd3, library, network, web)2015-05-180.3.2GershomBazerman, JeremyShaw
jmacro-rpc-snap20.01Snap backend for jmacro-rpc (bsd3, library, network, web)2014-07-050.3GershomBazerman, JeremyShaw
jml-web-service10.01Common utilities for running a web service (apache, library, web)2018-01-300.1.0jml
jmonkey20.01Jmonkey is very restricted but handy EDSL for JavaScript. (library, mit, web)2018-10-290.1.0.1opyapeus
jni (deprecated)40.05Complete JNI raw bindings. (bsd3, deprecated, ffi, java, jvm, library)2020-11-300.8.0FacundoDominguez, MathieuBoespflug
job20.00Job queue (apache, databases, library)2024-05-270.1.1RenzoCarbonara
jobqueue30.01A job queue library (client, library, mit, network)2015-09-090.1.6ikehara, junjihashimoto, yjkmy
jobs-ui10.00A library for creating a jobs management website running custom jobs. (apache, library, web)2019-12-210.2.0.0gilmi
join30.01Parallel Join Patterns with Guards and Propagation (bsd3, concurrency, library)2009-03-280.4MartinSulzmann
join-api20.01Bindings for Join push notifications (bsd3, library, web)2017-05-010.0.0.0KevinCotrone
joinlist (deprecated)20.01Join list - symmetric list type (bsd3, data, deprecated, library)2010-02-140.3.0StephenTetley
joint50.01Trying to compose non-composable (bsd3, control, data, library)2021-01-010.1.9iokasimovmt
jonathanscard40.01An implementation of the Jonathan's Card API. (bsd3, library, web)2011-08-080.1.1MichaelSchade
jord42.00Geographical Position Calculations (bsd3, geography, library, program)2020-09-212.0.0.0CedricLiegeois
jordan10.05JSON with Structure (codec, library, mit)2022-07-040.2.0.0NoidedSuper
jordan-openapi20.01OpenAPI Definitions for Jordan, Automatically (library, mit, network)2022-07-040.2.0.0NoidedSuper
jordan-servant20.03Servant Combinators for Jordan (library, mit, web)2022-07-040.1.0.0NoidedSuper
jordan-servant-client30.00Servant Client Instances for Jordan Servant Types (library, mit, web)2022-07-040.1.0.0NoidedSuper
jordan-servant-openapi40.00OpenAPI schemas for Jordan-Powered Servant APIs (library, mit, web)2022-07-040.1.0.0NoidedSuper
jordan-servant-server30.00Servers for Jordan-Based Servant Combinators (library, mit, web)2022-07-040.1.0.0NoidedSuper
jose521.7523JSON Object Signing and Encryption (JOSE) and JSON Web Token (JWT) library (apache, cryptography, library)2023-10-310.11frasertweedale
journalctl-stream210.00Stream logs using journalctl. (library, mit, system)2025-02-140.6.0.8DanielDiaz
joy-rewrite40.00Transform Joy code using conditional rewrite rules (bsd2, language, library)2022-06-290.2.0rieckenj
jpeg10.01A library for decoding JPEG files written in pure Haskell (bsd3, graphics, library)2014-08-120.0.1.1AtzeDijkstra
jpl-horizons-api30.00Ephemerides for solar system objects from the JPL Horizons service (api, astronomy, bsd3, library, program)2022-03-120.4.0.0ocramz
jps30.01Jump point search for Haskell (algorithm, bsd3, library)2018-08-200.1.0.0isovector
js-chart370.01Obtain minified chart.js code (javascript, library, mit)2020-11-102.9.4.1jonascarpay
js-dgtable500.03Obtain minified jquery.dgtable code (javascript, library, mit)2019-03-150.5.2NeilMitchell
js-flot560.06Obtain minified flot code (javascript, library, mit)2014-11-100.8.3NeilMitchell
js-good-parts30.01Javascript: The Good Parts -- AST & Pretty Printer (bsd3, javascript, language, library)2012-08-200.0.7SeanSeefried
js-jquery850.09Obtain minified jQuery code (javascript, library, mit)2025-02-093.7.1NeilMitchell
jsaddle380.037Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2024-05-220.9.9.2HamishMackenzie
jsaddle-clib60.01Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2024-05-220.9.9.2HamishMackenzie
jsaddle-dom110.05DOM library that uses jsaddle to support both GHCJS and GHC (library, mit, web)2024-05-220.9.9.2HamishMackenzie
jsaddle-hello40.01JSaddle Hello World, an example package (library, mit, program, web)2021-06-262.0.0.1HamishMackenzie
jsaddle-warp140.06Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2024-05-220.9.9.2HamishMackenzie
jsaddle-wasm180.01Run JSaddle JSM with the GHC Wasm backend (javascript, library, web)2025-03-060.1.0.0amesgen
jsaddle-webkit2gtk380.01Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2024-04-080.9.9.0HamishMackenzie
jsaddle-webkitgtk100.01Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2017-06-020.9.0.0HamishMackenzie
jsc (deprecated in favor of jsaddle)20.01High level interface for webkit-javascriptcore (deprecated, javascript, library, mit, web)2014-03-020.1.1.1HamishMackenzie
jsdom-extras30.00Convenience utilities for JSDOM (bsd3, library, web)2024-12-300.1.0.0abrar
jsmw10.01Javascript Monadic Writer base package. (bsd3, language, library)2009-04-260.1DmitryGolubovsky
json941.7575Support for serialising Haskell to and from JSON (bsd3, library, web)2023-07-170.11DonaldStewart, EricMertens, IavorDiatchki, SigbjornFinne
json-alt20.04Union 'alternative' or Either that has untagged JSON encoding. (bsd3, data, library, tools)2018-11-281.0.0MichalGajda
json-api30.01Utilities for generating JSON-API payloads (library, mit, network)2019-07-310.1.4.0toddmohney
json-api-lib40.00Utilities for generating JSON-API payloads (library, mit, network)2020-06-030.3.0.0GeorgeWilson, shirren
json-assertions20.01Test that your (Aeson) JSON encoding matches your expectations (bsd3, library, testing)2018-07-061.0.13OliverCharles
json-ast50.03Universal JSON AST datastructure (library, mit, unclassified)2022-10-110.3.2NikitaVolkov
json-ast-json-encoder60.01Encoders of JSON AST (library, mit, unclassified)2017-04-070.1.1NikitaVolkov
json-ast-quickcheck30.01Compatibility layer for "json-ast" and "QuickCheck" (library, mit, unclassified)2016-02-040.2NikitaVolkov
json-autotype322.55Automatic type declaration for JSON input data (bsd3, data, library, program, tools, type-provider)2020-04-193.1.2MichalGajda, PeterSimons
json-b40.03JSON parser that uses byte strings. (bsd3, library, program, text)2009-10-010.0.4JasonDusek
json-builder40.03Data structure agnostic JSON serialization (bsd3, json, library)2013-02-010.3LeonSmith
json-bytes-builder (deprecated in favor of jsonifier)60.02Direct-to-bytes JSON Builder (codecs, deprecated, json, library, mit)2020-09-160.5.2.1NikitaVolkov
json-directory80.00Load JSON from files in a directory structure (bsd3, codec, library, program)2024-07-260.1.0.3lukec
json-encoder (deprecated in favor of json-bytes-builder)50.02A direct-to-bytes single-pass JSON encoder with a declarative DSL (codec, deprecated, json, library, mit)2016-06-020.1.8NikitaVolkov
json-enumerator (deprecated in favor of aeson)40.03Pure-Haskell utilities for dealing with JSON with the enumerator package. (deprecated) (bsd3, deprecated, enumerator, json, library)2012-01-190.0.1.2MichaelSnoyman
json-extra10.01Utility functions to extend Aeson (bsd2, data, library)2016-11-240.2.0.0TobiasDammers
json-feed120.02JSON Feed (library, mit, web)2025-02-022.0.0.13fozworth
json-fu20.01Generic JSON serialization / deserialization (json, library, mit)2014-03-270.1.1SimonHengel
json-incremental-decoder30.01Incremental JSON parser with early termination and a declarative DSL (data, json, library, mit, parsing)2017-04-070.1.2NikitaVolkov
json-litobj10.01Extends Text.JSON to handle literal JS objects. (bsd3, library, text)2015-08-230.1.0.0jonkoc
json-pointer50.03JSON Pointer parsing and interpretation utilities (data, json, library, mit, parsing)2019-01-220.1.2.2NikitaVolkov
json-pointer-aeson70.01Integration layer for "json-pointer" and "aeson" (library, mit, unclassified)2017-04-060.1.2NikitaVolkov
json-pointer-hasql40.01JSON Pointer extensions for Hasql (hasql, json, library, mit)2016-04-040.1.1NikitaVolkov
json-pointy30.00JSON Pointer (RFC 6901) parsing, access, and modification (bsd3, development, library)2019-10-300.1.0.1IanDuncan
json-python30.01Call python inline from haskell (language, library, mit)2014-11-100.4.0.1russell91
json-qq10.03Json Quasiquatation library for Haskell. (json, library)2011-11-240.4.1OscarFinnsson
json-query20.01Kitchen sink for querying JSON (bsd3, data, library)2024-01-290.2.3.1andrewthad, l3c_amartin
json-rpc132.05Fully-featured JSON-RPC 2.0 library (library, mit, network, program, public-domain)2024-03-141.1.1jprupp
json-rpc-client32.01JSON-RPC 2.0 on the client side. (json, library, mit, network)2017-01-140.2.5.0KristenKozak
json-rpc-generic40.01Generic encoder and decode for JSON-RPC (bsd3, library, network)2021-09-070.2.1.6KeiHibino
json-rpc-server42.02JSON-RPC 2.0 on the server side. (json, library, mit, network)2017-01-140.2.6.0KristenKozak
json-schema20.07Types and type classes for defining JSON schemas. (bsd3, data, library)2018-07-070.7.4.2AdamBergmark, ErikHesselink, dcastro
json-sop110.01Generics JSON (de)serialization using generics-sop (bsd3, generics, library)2024-10-310.2.3AndresLoeh, EdskoDeVries
json-spec130.03Type-level JSON specification (json, library, mit)2025-01-201.1.1.1rickowens
json-spec-elm50.01Elm code generate for `json-spec`. (elm, json, library, mit)2024-09-270.4.0.5rickowens
json-spec-elm-servant230.00Generated elm code for servant APIs. (elm, json, library, mit, servant, web)2025-02-170.4.4.0rickowens
json-spec-openapi40.00json-spec-openapi (json, library, mit, openapi)2025-03-081.0.1.0rickowens
json-state20.01Keep program state in JSON files. (data, database, library, public-domain)2016-01-280.1.0.1akrasner
json-stream132.03Incremental applicative JSON parser (bsd3, json, library, text)2024-09-110.4.6.0ondrap
json-syntax120.02High-performance JSON parser and encoder (bsd3, data, library)2024-02-070.2.7.2andrewthad, l3c_amartin
json-to-haskell40.00 (bsd3, library, program, unclassified)2020-11-090.1.1.2ChrisPenner
json-to-type20.00Automatic type declaration for JSON input data (bsd3, data, library, program, tools)2024-09-264.0.1Jappie
json-togo40.01Effectful parsing of JSON documents (data, library, mit)2015-06-270.1.1.0srijs
json-tokens10.00Tokenize JSON (bsd3, data, library)2019-09-300.1.0.1andrewthad
json-tracer40.01A polymorphic, type-safe, json-structured tracing library (bsd3, control, library)2018-05-110.0.3.0autotaker
json-types20.06Basic types for representing JSON (json, library, mit, text)2010-12-230.1JohnMillikin
json210.03Library provides support for JSON. (bsd3, data, json, library, text)2011-05-290.8.3YuriyIskra
json2-hdbc20.01Support JSON for SQL Database. (bsd3, database, json, library)2011-04-060.5.1YuriyIskra
json2-types40.03Defined JSON data types and function for renders JSON to string. (bsd3, data, json, library, text)2011-04-060.1YuriyIskra
json2sg10.00Lossy conversion from JSON to Sugar (configuration, library, program, text)2022-07-290.0.1jxv
json5hs52.00Serialising to and from JSON5 (bsd3, json5, library, text, web)2020-09-010.1.3.1sakamitz
jsonifier170.01Fast and simple JSON encoding toolkit (json, library, mit)2023-12-090.2.1.3NikitaVolkov
jsonl50.01JSON Lines (bsd3, json, library, text, web)2022-05-020.2.0.0ocramz
jsonl-conduit82.00Conduit interface to JSONL-encoded data (bsd3, json, library, text, web)2023-05-010.1.4ocramz
jsonlogic10.01JsonLogic Evaluation (json, library, mit)2022-04-060.1.0.0JTeeuwissen
jsonlogic-aeson20.00JsonLogic Aeson Support (json, library, mit)2022-04-060.1.0.0JTeeuwissen
jsonnet10.00Jsonnet implementaton in pure Haskell (bsd3, compiler, library, program)2021-05-310.3.1.1moleike
jsonpath180.02Library to parse and execute JSONPath (bsd3, json, library, text, web)2022-07-240.3.0.0axeman
jsonresume20.01Parser and datatypes for the JSON Resume format (bsd3, library, text)2014-10-020.1.0.1DanielWright
jsonrpc-conduit270.01JSON-RPC 2.0 server over a Conduit. (conduit, gpl, library)2024-02-190.4.1GabrieleSales
jsonrpc-tinyclient90.03Tiny JSON-RPC client for Haskell Web3 library. (apache, library, network)2024-10-251.0.1.0akru, domenkozar
jsons-to-schema20.00JSON to JSON Schema (data, json, library, mit, program, web)2017-07-300.1.0.0garetht
jsonschema-gen32.01JSON Schema generator from Algebraic data type (bsd3, data, json, library, text)2017-08-290.4.1.0yuga
jsop60.00Cherry picking in JSON objects (bsd3, codec, decoder, library)2020-08-260.2.0.1PaoloVeronelli
jspath10.01Extract substructures from JSON by following a path. (bsd3, library, text)2010-09-210.1KeeganMcAllister
judge10.00Tableau-based theorem prover for justification logic. (gpl, library, logic, program)2018-03-140.1.3.0slakkenhuis
judy40.01Fast, scalable, mutable dynamic arrays, maps and hashes (bsd3, data, library)2018-04-160.4.1DonaldStewart, MarkWotton
juicy-draw40.00Draw and fill lines, rectangles and polygons (graphics, library, mit, program)2018-12-200.2.0.0rcook
jukebox82.01A first-order reasoning toolbox (bsd3, library, logic, program)2024-02-270.5.5NickSmallbone
jump40.01Nothing to see here, move along (data, library, mit)2016-03-140.0.0.0MichaelSnoyman
jumpthefive20.01an elementary symmetric chiffre for pragmatically protecting one's effects (bsd3, cryptography, library, program)2015-04-110.0.1mcandre
junit-xml212.252Producing JUnit-style XML test reports. (bsd3, library, web)2025-01-280.1.0.4stoeffel, JasperWoudenberg
jupyter60.00A library for creating and using Jupyter kernels. (development, library, mit, program)2016-08-140.9.0gibiansky
justified-containers122.251Keyed container types with type-checked proofs of key presence. (bsd2, data-structures, library)2018-02-110.3.0.0mnoonan
jvm (deprecated)30.04Call JVM methods from Haskell. (bsd3, deprecated, ffi, java, jvm, library)2020-11-300.6.0FacundoDominguez, MathieuBoespflug
jvm-batching (deprecated)20.01Provides batched marshalling of values between Java and Haskell. (bsd3, deprecated, ffi, java, jvm, library)2020-11-300.2.0FacundoDominguez
jvm-binary30.01A library for reading Java class-files (java, jvm, language, library, mit)2021-05-120.10.0kalhauge
jvm-parser10.01A parser for JVM bytecode files (bsd3, language, library)2014-08-070.2.1KevinQuick, RobertDockins, galoisinc
jvm-streaming (deprecated)90.02Expose Java iterators as streams from the streaming package. (bsd3, deprecated, ffi, java, jvm, library)2020-11-300.4.0FacundoDominguez, MathieuBoespflug
jwt301.7521JSON Web Token (JWT) decoding and encoding (library, mit, web)2021-12-100.11.0puffnfresh
k8s-wrapper10.00Application wrapper for the k8s environment (library, mpl, network)2023-02-260.1.0.0AlexanderVershilov
kademlia10.01An implementation of the Kademlia DHT Protocol (bsd3, library, network)2015-07-311.1.0.0fro_ozen
kafka40.01TBA (bsd3, data, library)2018-08-300.0.0.0chessai
kafka-client (deprecated)20.01Low-level Haskell client library for Apache Kafka 0.7. (deprecated, library, mit, network)2015-06-020.7.0.1abhinav
kafka-client-sync20.00Synchronous Kafka Client (bsd3, library, network)2020-01-170.1.1.1felixmulder
kafka-device20.05UI device events via a Kafka message broker (hardware, library, mit, program)2019-03-041.0.2.1BrianBush
kafka-device-glut10.01GLUT events via a Kafka message broker (hardware, library, mit, program)2019-03-041.0.2.1BrianBush
kafka-device-joystick60.01Linux joystick events via a Kafka message broker (hardware, library, mit, program)2019-03-041.0.2.1BrianBush
kafka-device-leap40.01Leap Motion events via a Kafka message broker (hardware, library, mit, program)2019-03-041.0.2.1BrianBush
kafka-device-spacenav60.01Linux SpaceNavigator events via a Kafka message broker (hardware, library, mit, program)2019-03-041.0.2.1BrianBush
kafka-device-vrpn10.01VRPN events via a Kafka message broker (library, mit, network, program)2019-03-041.0.2.1BrianBush
kafka-interchange40.00Serialization for kafka wire protocol (bsd3, data, library)2024-03-210.2.0.0andrewthad
kaleidoscope20.01Haskell Kaleidoscope tutorial (compilers, library, mit, program)2016-08-120.1.0.0sdiehl
kalman32.01Kalman and particle filters and smoothers (library, math, mit)2016-12-141.0.0.2DominicSteinitz
kan-extensions1832.2545Kan extensions, Kan lifts, the Yoneda lemma, and (co)density (co)monads (bsd3, comonads, data-structures, functors, library, monads)2024-05-045.2.6EdwardKmett, EricMertens, ryanglscott
kangaroo10.01Binary parsing with random access. (bsd3, library, parsing)2010-02-230.4.0StephenTetley
kanji60.00Perform 漢字検定 (Japan Kanji Aptitude Test) level analysis on Japanese Kanji (bsd3, data, library)2021-12-083.5.0fosskers
kansas-comet200.04A JavaScript push mechanism based on the comet idiom (bsd3, library, web)2024-10-260.4.3AndyGill, ryanglscott
kansas-lava10.04Kansas Lava is a hardware simulator and VHDL generator. (bsd3, hardware, language, library)2018-04-060.2.4.5AndyGill, GergoErdi
kansas-lava-cores10.02FPGA Cores Written in Kansas Lava. (bsd3, hardware, library)2015-06-190.1.2.2AndyGill, GergoErdi
kansas-lava-papilio60.01Kansas Lava support files for the Papilio FPGA board (bsd3, hardware, library)2015-06-190.3.1GergoErdi
kansas-lava-shake10.01Shake rules for building Kansas Lava projects (bsd3, development, library)2018-10-030.3.0GergoErdi
karabiner-config30.00Karabiner elements configuration generation (bsd3, configuration, library)2021-08-020.0.0.0carymrobbins
karakuri20.01Good stateful automata (bsd3, data, library)2013-10-210.1.1FumiakiKinoshita
karps30.01Haskell bindings for Spark Dataframes and Datasets (apache, big-data, library, web)2017-04-110.2.0.0krapsh
karver30.01A simple template engine, inspired by jinja2 (bsd3, library, text)2015-04-220.1.2JeremyHull
katip650.037A structured logging framework. (bsd3, data, library, logging, text)2024-08-270.8.8.2MichaelXavier
katip-datadog30.00Datadog scribe for the Katip logging framework (bsd3, data, library, logging, text)2020-10-150.2.0.0MichaelXavier
katip-effectful20.00Katip integration for Effectful (bsd3, data, library, logging)2024-03-130.0.1eldritch_cookie
katip-elasticsearch230.01ElasticSearch scribe for the Katip logging framework. (bsd3, data, library, logging, text)2020-10-150.7.0.0MichaelXavier
katip-kafka20.01Katip scribe to send logs to Kafka (bsd3, library, logging)2018-04-280.0.1AlekseyUymanov
katip-logstash80.00Logstash backend for katip. (library, logging, mit)2021-11-290.1.0.2mbg
katip-logzio30.00Logz.IO scribe for the Katip logging framework (bsd3, data, library, logging, text)2023-04-070.1.2.0MichaelXavier
katip-raven30.00Katip scribe for raven (https://sentry.io) (apache, library, web)2024-01-110.1.1.0domenkozar
katip-rollbar10.01Katip scribe that logs to Rollbar (bsd3, library, logging)2018-02-190.3.0.1joneshf
katip-scalyr-scribe20.01A katip scribe for logging to json (bsd3, library, logging)2018-03-140.1.0.1reactormonk
katip-syslog22.01Syslog Katip Scribe (bsd3, library, web)2021-04-070.1.2.1AlfredoDiNapoli, ChrisDornan, MikolajKonarski
katip-wai110.00WAI middleware for logging request and response info through katip. (bsd3, library, logging, web)2024-09-120.2.0.0discodave
katt30.01Client for the Kattis judge system. (bsd3, library, program, utils)2014-06-130.2.0.3DavidNilsson
katydid30.00A haskell implementation of Katydid (bsd3, data, library, program)2018-09-100.4.0.2awalterschulze
kawa50.00Key-value store in single files. (bsd3, database, library, program)2018-01-150.1.0.0thoferon
kawaii20.01Utilities for serving static sites and blogs with Wai/Warp (library, web)2016-08-210.0.1.1etcinit
kawhi22.01stats.NBA.com library (api, library, mit)2017-04-220.3.0aaron
kazura-queue70.01Fast concurrent queues much inspired by unagi-chan (bsd3, concurrency, library)2018-09-110.1.0.4asakamirai
kcd10.01Kayak .kcd parsing library. (library, mit, text)2017-01-170.2.0.0marcelbuesing
kd-tree10.01A simple k-d tree implementation (bsd3, data, library)2014-07-250.1.0BenGamari
kdt100.01Fast and flexible k-d trees for various types of point queries. (data, library, mit)2024-06-180.2.6giogadi
keccak20.00cryptographic functions based on the sponge construction (crypto, library, mit, program)2018-07-200.2.0aupiff
keelung40.00DSL for creating zero-knowledge proofs (apache, cryptography, library)2023-03-010.9.2btq_ag
keenser20.01Initial project template from stack (bsd3, library, program, web)2016-07-070.1.0.0jdabbs
keep-alive70.01TCP keep alive implementation (bsd3, library, network)2022-06-130.2.1.03kyro
keera-callbacks40.04Mutable memory locations with callbacks (bsd3, concurrency, library)2015-06-030.1IvanPerez, keera_studios_ci
keera-hails-i18n60.00Rapid Gtk Application Development - I18N (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-mvc-controller110.00Haskell on Gtk rails - Gtk-based controller for MVC applications (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-mvc-environment-gtk130.01Haskell on Gtk rails - Gtk-based global environment for MVC applications (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-mvc-model-lightmodel100.01Rapid Gtk Application Development - Reactive Protected Light Models (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-mvc-model-protectedmodel130.02Rapid Gtk Application Development - Protected Reactive Models (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-mvc-solutions-config70.00Haskell on Gtk rails - Easy handling of configuration files (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-mvc-solutions-gtk70.00Haskell on Gtk rails - Solutions to recurrent problems in Gtk applications (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-mvc-view80.03Haskell on Gtk rails - Generic View for MVC applications (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-mvc-view-gtk70.02Haskell on Gtk rails - Gtk-based View for MVC applications (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-reactive-cbmvar70.01Reactive Haskell on Rails - CBMVars as reactive values (bsd3, development, library)2022-04-050.8.0keera_studios_ci
keera-hails-reactive-fs60.01Haskell on Rails - Files as Reactive Values (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-reactive-gtk150.00Haskell on Gtk rails - Reactive Fields for Gtk widgets (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-reactive-htmldom80.00Keera Hails Reactive bindings for HTML DOM via GHCJS (bsd3, library, web)2022-04-050.8.0keera_studios_ci
keera-hails-reactive-network140.01Haskell on Rails - Sockets as Reactive Values (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-reactive-polling50.01Haskell on Rails - Polling based Readable RVs (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-reactive-wx110.01Haskell on Rails - Reactive Fields for WX widgets (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-reactive-yampa90.01Haskell on Rails - FRP Yampa Signal Functions as RVs (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-reactivelenses60.01Reactive Haskell on Rails - Lenses applied to Reactive Values (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keera-hails-reactivevalues301.512Haskell on Rails - Reactive Values (bsd3, development, library)2022-04-050.8.0IvanPerez, keera_studios_ci
keid-core130.06Core parts of Keid engine. (bsd3, game-engine, library)2024-10-020.1.9.1AlexanderBondarenko
keid-frp-banana90.00Reactive Banana integration for Keid engine. (bsd3, game-engine, library)2024-10-020.1.2.1AlexanderBondarenko
keid-geometry40.01Geometry primitives for Keid engine. (bsd3, game-engine, library)2023-04-060.1.1.3AlexanderBondarenko
keid-render-basic80.00Basic rendering programs for Keid engine. (bsd3, game-engine, library)2023-09-100.1.9.0AlexanderBondarenko
keid-resource-gltf60.00GLTF loader for Keid engine. (bsd3, game-engine, library)2023-09-100.1.0.2AlexanderBondarenko
keid-sound-openal40.00OpenAL sound system for Keid engine. (bsd3, game-engine, library)2021-12-230.2.0.0AlexanderBondarenko
keid-ui-dearimgui90.00DearImGui elements for Keid engine. (bsd3, game-engine, library)2024-10-020.1.3.1AlexanderBondarenko
kempe52.00Kempe compiler (bsd3, compilers, language, library, program)2024-05-290.2.0.14vmchale
kerry20.00Manage and abstract your packer configurations. (aws, bsd3, cloud, infrastructure, library)2019-05-230.1.1nhibberd
kesha50.00Haskell implementation of nix-hash (library, mit, system)2020-11-300.1.0.1jmackie
keter192.251Web application deployment manager, focusing on Haskell web frameworks. It mitigates downtime. (library, mit, program, web, yesod)2025-03-152.1.9MichaelSnoyman, ChristopherReichert, Jappie, jgt
keuringsdienst182.03Data validation in Haskell that is composable, made easy and clean. (lgpl, library, unclassified)2024-11-291.0.2.2jjba
kewar22.00CLI and library to generate QR codes. (data, library, mit, program, qr)2022-02-120.1.1.1shikaan
key (deprecated)50.01Type-safe unconstrained dynamic typing (bsd3, deprecated, library, unclassified)2019-09-130.1.2.0
key-state20.01Manage key and button states and statuses (bsd3, game, library)2018-04-160.2.0jxv
key-vault (deprecated)50.00Store of values of arbitrary types (bsd3, deprecated, library, unclassified)2019-11-070.1.0.0
keycloak-hs70.00 (bsd3, library, program, unclassified)2023-10-223.0.2CorentinDupont
keycode90.05Maps web browser keycodes to their corresponding keyboard keys (bsd3, library, web)2024-10-220.2.3ryanglscott
keyed20.01Generic indexing for many data structures (bsd3, data, library)2015-08-130.3.0.0wyager
keyed-vals100.03An abstract Handle for accessing collections in stores like Redis (bsd3, data, library, redis)2025-03-180.2.3.2adetokunbo
keyed-vals-hspec-tests160.00Validate a keyed-vals Handle (bsd3, data, hspec, library)2025-03-180.2.3.2adetokunbo
keyed-vals-mem110.00Implements a keyed-vals Handle using in-process memory (bsd3, data, library, redis)2025-03-180.2.3.2adetokunbo
keyed-vals-redis100.00Access Redis using a keyed-vals Handle (bsd3, data, library, redis)2025-03-180.2.3.2adetokunbo
keylayouts40.00Tools for macOS .keylayout files (configuration, library, mit, xml)2020-12-200.1.0.2dailectic
keyring20.01Keyring access (library, mit, system)2017-02-200.1.0.5lunaryorn
keys552.031Keyed functors and containers (bsd3, containers, data-structures, library)2024-12-063.12.4EdwardKmett, EricMertens, ryanglscott
keystore80.01Managing stores of secret things (bsd3, cryptography, library, program)2023-10-140.9.0.2ChrisDornan
keyvaluehash80.01Pure Haskell key/value store implementation (bsd3, database, library)2013-06-140.3.1.2EyalLotem
keyword-args20.01Extract data from a keyword-args config file format (data, library, mit, program)2015-04-230.2.0.2jsl, stackbuilders, sestrella
ki132.258A lightweight structured concurrency library (bsd3, concurrency, library)2024-07-151.0.1.2mitchellwrosen
ki-effectful10.00Adaptation of the ki library for the effectful ecosystem. (concurrency, library, mit)2023-01-290.1.1.0TristanCacqueray
ki-unlifted60.02A lightweight structured concurrency library (bsd3, concurrency, library)2023-10-101.0.0.2mitchellwrosen
kibro (deprecated)30.05None (bsd3, deprecated, library, unclassified)2014-12-080.5.0
kicad-data32.01Parser and writer for KiCad files. (data, library, mit)2021-10-290.5.1kasbah
kickass-torrents-dump-parser20.01Parses kat.ph torrent dumps (library, mit, text)2013-01-160.0.1MichaelXavier
kickchan10.01Kick Channels: bounded channels with non-blocking writes (bsd3, concurrency, data, library)2014-02-060.1.0.4JohnLato
kill-bool30.00Boolean strong typing (data, library)2023-03-100.1.0.0gdifolco
kind-apply60.03Utilities to work with lists of types (bsd3, data, library)2023-01-250.4.0.0AlejandroSerrano
kind-generics170.08Generic programming in GHC style for arbitrary kinds and GADTs. (bsd3, data, library)2023-01-250.5.0.0AlejandroSerrano
kind-generics-deriving20.00Generic programming in GHC style for arbitrary kinds and GADTs. (bsd3, data, library)2023-01-250.3.0.0AlejandroSerrano
kind-generics-th190.03Template Haskell support for generating `GenericK` instances (bsd3, data, library)2023-08-020.2.3.3AlejandroSerrano
kind-integer20.02Type-level integers. Like KnownNat, but for integers. (bsd3, library, types)2023-08-090.6.0RenzoCarbonara
kind-rational10.01Type-level rationals. Like KnownNat, but for rationals. (bsd3, library, types)2023-08-090.5.0RenzoCarbonara
kindly-functors10.00A category polymorphic `Functor` typeclass (categories, control, library, mit)2024-02-050.1.0.1solomon
kinds40.05Emulation of subkinds and subkind polymorphism (bsd3, library, type-system)2012-01-150.0.1.5WolfgangJeltsch
kleene32.01Kleene algebra (bsd3, library, math)2019-04-250.1phadej
kleene-list40.00A list type based on the Kleene star and plus. (data, library)2020-05-020.1.0.0oisdk
kmeans72.02K-means clustering algorithm (algorithms, bsd3, clustering, data-mining, library)2015-03-220.1.3GershomBazerman, MaxRabkin
kmeans-par10.01Sequential and parallel implementations of Lloyd's algorithm. (algorithm, library, mit)2014-06-021.5.1vi, SimonAlling
kmeans-vector30.01An implementation of the kmeans clustering algorithm based on the vector package (bsd3, library, math, program)2015-07-300.3.2AlpMestanogullari
kmonad52.00Advanced keyboard remapping utility (application, library, mit, program)2024-09-110.4.3david_janssen, TonyZorman
kmp-dfa20.01KMP algorithm implementation, based on Deterministic Finite State Automata (algorithms, bsd3, library)2017-06-180.1.0.1PaoloVeronelli
knead50.02Repa-like array processing using LLVM JIT (bsd3, data-structures, library)2024-04-111.0.1.1HenningThielemann
knead-arithmetic20.01Linear algebra and interpolation using LLVM JIT (bsd3, library, math)2016-10-090.0.0.1HenningThielemann
knit40.00Ties the knot on data structures that reference each other by unique keys. (bsd3, data-structures, library)2024-08-020.4.0.0pkamenarsky
knit-haskell20.00a minimal Rmarkdown sort-of-thing for haskell, by way of Pandoc (bsd3, library, text)2020-07-020.8.0.0adamCS
knob170.03Memory-backed handles (library, mit, system)2023-02-100.2.2ncfavier
knots10.01Khovanov homology computations (library, math, mit, program)2015-04-090.1.0.1maltem
koellner-phonetic20.01"map German words to code representing pronunciation" (bsd3, library, natural-language-processing, text)2014-02-040.0MarcWeber
koji40.00Koji buildsystem XML-RPC API bindings (gpl, library, network)2021-05-070.0.2JensPetersen
koneko10.00a concatenative not-quite-lisp for kittens (compilers-interpreters, gpl, library, program)2022-02-120.0.2obfusk
konnakol12.00Formalising the rules of Konnakol, an Indian percussional art form. (development, gpl, library)2022-08-160.3.0.0JJMan
kontra-config20.00JSON config file parsing based on unjson (bsd3, data, library)2016-09-210.1GracjanPolak, MikhailGlushenkov, jonathanjouty_scrive, trin_cz
kontrakcja-templates60.01Utilities for working with many HStringTemplate templates from files. (bsd3, library, web)2024-09-160.12.0.1MariuszRak, arybczak
koofr-client50.01Client to Koofr API (library, mit, network)2015-03-271.0.0.3edofic
korea-holidays42.00Korea Holidays (library, mit, time)2019-07-140.1.0.4kkweon
kparams20.00Extracts values from /proc/cmdline. (library, mit, program, text)2021-09-090.1.0.1mcsaucy
kqueue40.03A binding to the kqueue event library. (bsd3, library, system)2021-02-150.2.1ErikHesselink
kraken20.00Kraken.io API client (library, mit, network)2017-09-210.1.0wereHamster
krank60.00Krank checks issue tracker link status in your source code (bsd3, library, program, quality)2022-11-030.3.0guibou
krapsh20.01Haskell bindings for Spark Dataframes and Datasets (apache, big-data, library, web)2017-01-160.1.9.0krapsh
krpc30.02KRPC protocol implementation (bsd3, library, network)2014-02-190.6.1.0SamTruzjan
ks-test20.01Kolmogorov distribution and Kolmogorov-Smirnov test. (library, math, numerical, public-domain)2010-09-100.1JamesCook
ksystools30.01System management tooling. (library, mit, system)2017-03-060.1.0.0kisom
ktx20.01A binding for libktx from Khronos (graphics, library, mit)2015-05-310.2Corngood
ktx-codec62.01Khronos texture format (bsd3, graphics, library)2023-04-090.0.2.1AlexanderBondarenko
kubernetes-api210.00Auto-generated kubernetes-api API Client (apache, library, web)2025-02-11132.0.0thomasjm
kubernetes-api-client60.00Client library for Kubernetes (apache, library, web)2025-02-110.6.0.0thomasjm
kubernetes-client70.00Client library for Kubernetes (apache, library, web)2020-12-040.3.2.0axeman, guoshimin
kubernetes-client-core170.01Auto-generated kubernetes-client-core API Client (apache, library, web)2020-11-050.3.1.0axeman, guoshimin
kubernetes-webhook-haskell80.00Create Kubernetes Admission Webhooks in Haskell (library, mit, web)2020-08-140.2.0.3amarrella
kudzu22.250coverage driven random testing framework (bsd3, library, program, testing)2024-04-270.1.1.0ShaeErisson
kuifje30.00A Quantitative Information Flow aware programming language. (bsd3, language, library)2019-09-100.1.2.0martonbognar
kure20.05Combinators for Strategic Programming (bsd3, language, library)2021-04-042.18.6AndyGill, NeilSculthorpe
kure-your-boilerplate50.01Generator for Boilerplate KURE Combinators (bsd3, language, library)2009-01-270.1.3AndyGill
kurita30.00Find the alpha emoji (bsd3, game, library, program, web)2019-05-060davean
kvitable140.00Key/Value Indexed Table container and formatting library (library, text)2024-09-221.1.0.1KevinQuick
kyotocabinet30.01Mid level bindings to Kyoto Cabinet (bsd3, database, library)2016-04-170.1.4FrancescoMazzoli, YurasShumovich
l-bfgs-b100.02Bindings to L-BFGS-B, Fortran code for limited-memory quasi-Newton bound-constrained optimization (bsd3, library, math)2014-07-030.1.0.1GardSpreemann
l10n40.01Enables providing localization as typeclass instances in separate files. (bsd3, library, text)2017-03-060.1.0.1louispan
labeled-graph10.01Labeled graph structure (bsd3, data-structures, library)2012-11-051.0.0.0JeanPhilippeBernardy
labeled-tree40.05Labeled tree structure (bsd3, data-structures, library)2010-08-041.0.0.0JeanPhilippeBernardy
labels80.03Anonymous records via named tuples (bsd3, development, library)2017-08-290.3.3ChrisDone
laborantin-hs20.01an experiment management framework (apache, experiment, library, program)2014-04-180.1.5.2LucasDiCioccio
labsat20.00LabSat TCP Interface Wrapper (library, mit, program, unclassified)2018-03-090.0.5bb
labyrinth30.01A complicated turn-based game (game, library, mit)2013-11-170.5.0.0AlexeyKotlyarov
lackey140.01Generate Ruby clients from Servant APIs. (library, mit, web)2025-02-022.0.0.9fozworth
lacroix42.01fizzy n dizzy (acme, library, mit)2021-11-100.2.0.0chessai
lagrangian20.02Solve Lagrange multiplier problems (bsd3, library, math)2014-10-090.6.0.1JonathanFischoff, pash
laika10.01Minimalistic type-checked compile-time template engine (library, mit, unclassified)2015-06-250.1.3.1NikitaVolkov
lambda-ast20.02Lambda Calculi Abstract Syntax Trees (bsd3, compilers-interpreters, library)2012-02-240.0.12JonathanFischoff
lambda-bridge10.01A bridge from Haskell (on a CPU) to VHDL on a FPGA. (bsd3, foreign, hardware, library, middleware, network, program)2010-11-160.1AndyGill
lambda-calculator120.00A lambda calculus interpreter (lambdacalculus, language, library, mit, program, teaching)2023-03-013.1.1.0sgillespie
lambda-calculus-interpreter60.00Lambda Calculus interpreter (bsd3, language, library, program)2018-09-120.1.0.3xeontem
lambda-canvas20.01Educational drawing canvas for FP explorers. (education, graphics, library, mit)2012-08-290.1DimitrySolovyov
lambda-cube42.00Haskell implementation of (some of) lambda cube calculi (library, mit, utilities)2021-08-260.3.0.0Ailrun
lambda-devs40.01a Paralell-DEVS implementaion based on distributed-process (bsd3, control, library, program, simulation)2013-11-240.4.0alios
lambda-options41.50Declarative command-line parser with type-driven pattern matching. (bsd3, library, text)2020-09-111.1.0.1ThomasEding
lambda-placeholders52.01A library to emulate laceholders similar to Scala. (bsd3, language, library)2014-05-290.0.0.0MatthewMirman
lambda-sampler50.01Boltzmann sampler utilities for lambda calculus. (bsd3, data, library)2017-08-131.1mbendkowski
lambdaBase10.01 (language, library, mit)2015-05-050.0.2.0faleidel
lambdabot-core100.08Lambdabot core functionality (development, library, web)2023-11-105.3.1.2BertramFelgenhauer, JamesCook, ncfavier
lambdabot-haskell-plugins160.01Lambdabot Haskell plugins (development, library, web)2023-11-105.3.1.2BertramFelgenhauer, JamesCook, ncfavier
lambdabot-irc-plugins170.01IRC plugins for lambdabot. (development, library, web)2023-11-105.3.1.2BertramFelgenhauer, JamesCook, ncfavier
lambdabot-misc-plugins70.01Lambdabot miscellaneous plugins (development, library, web)2023-11-105.3.1.2BertramFelgenhauer, JamesCook, ncfavier
lambdabot-novelty-plugins190.01Novelty plugins for Lambdabot (development, library, web)2023-11-105.3.1.2BertramFelgenhauer, JamesCook, ncfavier
lambdabot-reference-plugins130.02Lambdabot reference plugins. (development, library, web)2023-11-105.3.1.2BertramFelgenhauer, JamesCook, ncfavier
lambdabot-social-plugins110.01Social plugins for Lambdabot (development, library, web)2023-11-105.3.1.2BertramFelgenhauer, JamesCook, ncfavier
lambdabot-telegram-plugins20.00Lambdabot for Telegram (development, gpl, library, program, web)2022-09-240.2.1swamp_agr
lambdabot-trusted170.02Lambdabot trusted code. (development, library, web)2023-11-105.3.1.2BertramFelgenhauer, JamesCook, ncfavier
lambdabot-utils (deprecated in favor of lambdabot)30.01Utility libraries for the advanced IRC bot, Lambdabot (deprecated, development, library, web)2013-02-164.2.2GwernBranwen, JanStolarek
lambdabot-zulip20.00Lambdabot for Zulip Chat (library, mit, program, web)2018-11-200.1.0NiklasHambuechen
lambdacat10.01Webkit Browser (bsd3, library, program, user-interfaces)2011-01-080.1.1AndreasBaldeau
lambdacms-core40.02LambdaCms 'core' subsite for Yesod apps (library, mit, web)2015-07-230.3.0.2cies, matsrietdijk
lambdacms-media60.01LambdaCms "media" extension (library, mit, web)2015-07-260.4.0.0cies, matsrietdijk
lambdacube-bullet (deprecated)30.01Example for combining LambdaCube and Bullet (bsd3, deprecated, graphics, library, physics)2011-06-230.2.1CsabaHruska
lambdacube-compiler80.01LambdaCube 3D is a DSL to program GPUs (bsd3, compiler, graphics, library)2016-11-290.6.0.1CsabaHruska
lambdacube-core (deprecated in favor of lambdacube-compiler, lambdacube-ir)30.03LambdaCube 3D IR (bsd3, deprecated, graphics, library)2014-12-090.2.0CsabaHruska
lambdacube-edsl30.02LambdaCube 3D EDSL definition (bsd3, graphics, library)2014-12-090.2.0CsabaHruska
lambdacube-engine (deprecated in favor of lambdacube-core)80.023D rendering engine written entirely in Haskell (bsd3, deprecated, graphics, library)2012-07-010.2.4CsabaHruska, GergelyPatai
lambdacube-gl10.02OpenGL 3.3 Core Profile backend for LambdaCube 3D (bsd3, graphics, library)2017-05-210.5.2.4CsabaHruska
lambdacube-ir20.02LambdaCube 3D intermediate representation of 3D graphics pipelines (bsd3, graphics, library)2016-11-160.3.0.1CsabaHruska
lambdasound20.00A libary for generating low-level sounds with high-level combinators (library, mit, program, sound)2023-12-031.2.0voyager
lambdatex30.01Type-Safe LaTeX EDSL (library, text)2017-04-030.2.0.0Norfair
lambdaya-bus30.01Fpga bus core and serialization for RedPitaya (lgpl, library, system)2016-04-090.0.0.2ralu
lame50.01A high-level binding to the LAME encoder (audio, bsd3, codec, library)2023-10-250.2.2mrkkrp
lame-tester30.01A strange and unnecessary selective test-running library (bsd3, demo, library)2018-03-051.4.0TheBizzle
laminar20.00Run dependent IO actions asynchronously. (concurrency, library, mit)2023-11-060.1.0.1dm72
landlock80.00Haskell bindings for the Linux Landlock API (bsd3, library, system)2023-02-280.2.1.1NicolasTrangez
lang30.01A Lisp (agpl, language, library)2018-03-010.2.2Zaoqi
language-Modula270.00Parser, pretty-printer, and more for the Modula-2 programming language (gpl, language, library, program)2025-01-010.1.4.2MarioBlazevic
language-asn20.01ASN.1 encoding and decoding (bsd3, language, library)2019-04-090.1.1.0andrewthad, chessai
language-asn140.01Parsing of ASN1 definitions (bsd3, language, library, program)2020-06-140.6DmitryAstapov
language-ats182.04Parser and pretty-printer for ATS. (ats, bsd3, language, lexer, library, parser, pretty-printer)2021-01-181.7.10.3vmchale
language-avro82.01Language definition and parser for AVRO files. (apache, library, network)2022-01-200.1.4.0FlavioCorpa
language-bash120.02Parsing and pretty-printing Bash shell scripts (bsd3, language, library)2025-01-040.11.1KyleRaftogianis
language-bluespec20.01An implementation of the Bluespec Haskell AST (bsd3, language, library)2024-02-080.1ryanglscott, galoisinc
language-boogie40.01Interpreter and language infrastructure for Boogie. (bsd3, language, library)2013-02-050.2NadiaPolikarpova
language-c1012.011Analysis and generation of C code (bsd3, language, library)2024-11-170.10.0BenediktHuber, Bodigrim, jophish, expipiplus1
language-c-comments30.01Extracting comments from C code (bsd3, language, library)2014-03-080.3GeoffHulette, MatthewSottile
language-c-inline40.01Inline C & Objective-C code in Haskell for language interoperability (bsd3, foreign, language, library)2017-07-300.7.11.0ManuelChakravarty
language-c-quote330.010C/CUDA/OpenCL/Objective-C quasiquoting library. (bsd3, language, library)2024-07-020.13.0.2GeoffreyMainland, TroelsHenriksen
language-c99110.04An implementation of the C99 AST that strictly follows the standard. (language, library, mit)2022-05-210.2.0frankdedden
language-c99-simple340.02C-like AST to simplify writing C99 programs. (language, library, mit)2024-01-030.3.0frankdedden
language-c99-util120.02Utilities for language-c99. (language, library, mit)2022-05-210.2.0frankdedden
language-cil40.01Manipulating Common Intermediate Language AST (.net, bsd3, language, library)2016-09-190.4.0TomLokhorst
language-conf30.00Conf parsers and pretty-printers for the Haskell programming language. (data, library, mit)2016-08-240.2.2.0yamadapc
language-csharp10.00C# source code manipulation (bsd3, language, library)2019-05-100.0.1icysnowman55
language-css70.04CSS 2.1 syntax (bsd3, language, library)2020-05-140.0.3.1AntonKholomiov, tomjaguarpaw
language-dart22.251Manipulating Dart source: abstract syntax and pretty-printer (bsd3, language, library)2016-07-120.2.0.0sigrlami, kseo
language-dickinson302.00A language for generative literature (bsd3, compilers-interpreters, language, library, program, text)2024-05-291.4.3.1vmchale
language-docker802.03Dockerfile parser, pretty-printer and embedded DSL (development, gpl, library)2025-03-0514.0.1lorenzo
language-dockerfile110.01Dockerfile linter, parser, pretty-printer and embedded DSL (development, gpl, library)2017-05-140.3.6.0yamadapc
language-dot111.755A library for the analysis and creation of Graphviz DOT files (bsd3, language, library)2023-10-240.1.2BenGamari, BrianLewis
language-ecmascript402.07JavaScript parser and pretty-printer library (bsd3, language, library)2020-03-260.19.1.0AndreyChudnov, ArjunGuha, DavidJohnson
language-ecmascript-analysis90.01JavaScript static analysis library. (bsd3, language, library)2016-01-310.9.2AndreyChudnov
language-eiffel50.01Parser and pretty printer for the Eiffel language. (bsd3, language, library)2013-03-060.1.2ScottWest
language-elm42.01Generate elm code (bsd3, library, web)2018-12-080.2.0.0eliaslfox
language-fortran (deprecated in favor of fortran-src)60.02Fortran lexer and parser, language support, and extensions. (bsd3, deprecated, language, library)2016-03-170.5.1DominicOrchard
language-gcl12.01Something similar to Dijkstra's guarded command language (language, library, mit)2014-06-150.2StijnVanDrongelen
language-gemini30.00Datatypes and parsing/printing functions to represent the Gemini markup language (bsd3, gemini, library, text)2023-07-240.1.0.1fgaz
language-glsl200.06GLSL abstract syntax tree, parser, and pretty-printer (bsd3, graphics, language, library, program)2018-09-020.3.0VoMinhThu
language-go30.01A library for analysis and synthesis of Go code. (language, library)2011-02-060.8AndrewRobbins
language-guess30.01Guess at which language a text is written in using trigrams. (bsd3, language, library)2014-04-090.1.2ChristianRoedliAmble
language-haskell-extract180.05Module to automatically extract functions from the local code. (bsd3, library, template-haskell)2013-01-260.2.4OscarFinnsson
language-hcl10.01HCL parsers and pretty-printers for the Haskell programming language. (data, library, mit)2016-08-120.1.2.0yamadapc
language-java110.05Java source manipulation (bsd3, language, library)2018-03-080.2.9NiklasBroberg, VincentHanquez
language-java-classfile30.01Parser for Java .class files (bsd3, language, library)2010-12-090.2.0GergoErdi
language-javascript960.013Parser for JavaScript (bsd3, language, library)2020-03-220.7.1.0AlanZimmerman, ErikDeCastroLopo, TonyMorris
language-js30.01javascript parser for es6 and es7. (language, library, mit)2021-03-270.3.0diasbruno
language-kort30.01Parser and serializer for the Kort information language. (language, library, public-domain)2015-06-180.1.0.0akrasner
language-lua140.03Lua parser and pretty-printer (bsd3, language, library)2024-05-130.11.0.2EricMertens, OmerAgacan
language-lua-qq10.01Initial project template from stack (bsd3, language, library)2015-09-110.1.0.0HiromiIshii
language-lua2 (deprecated)30.01Lua parser and pretty printer (bsd3, deprecated, language, library)2015-10-140.1.0.5mitchellwrosen
language-mixal10.01Parser, pretty-printer, and AST types for the MIXAL assembly language (bsd3, language, library, program)2013-08-250.1JonathanDaugherty
language-ninja42.00A library for dealing with the Ninja build language. (apache, build, language, library, program)2017-08-020.2.0taktoa
language-nix70.05Data types and functions to represent the Nix language (bsd3, distribution, language, library, nix)2019-09-212.2.0PeterSimons, sternenseemann, jophish, cdepillabout, maralorn, expipiplus1
language-oberon60.01Parser, pretty-printer, and more for the Oberon programming language (gpl, language, library, program)2025-01-010.3.3.2MarioBlazevic
language-objc30.01Analysis and generation of Objective C code (bsd3, language, library)2013-12-110.4.2.8JohnLato
language-ocaml30.01Language tools for manipulating OCaml programs in Haskell (language, library, mit, ocaml)2018-12-120.2.0Ptival
language-openscad130.01A simple parser for OpenSCAD (bsd3, language, library, program)2016-04-130.1.7BenGamari, BrechtSerckx
language-pig10.01Pig parser in haskell. (language, library, mit)2013-12-160.3.0.1elisehuard
language-protobuf70.02Language definition and parser for Protocol Buffers. (apache, library, network)2020-02-041.0.1AlejandroSerrano
language-puppet582.02Tools to parse and evaluate the Puppet DSL. (bsd3, library, program, system)2023-11-071.5.1SimonMarechal, pi3r
language-python232.03Parsing and pretty printing of Python code. (bsd3, language, library)2020-07-120.5.8BerniePope
language-qux20.00Utilities for working with the Qux language (bsd3, language, library, qux)2015-10-100.2.0.0hjwylde
language-rust32.251Parsing and pretty printing of Rust code (bsd3, language, library)2018-04-220.2.0.27harpocrates
language-sally42.01AST and pretty printer for Sally (language, library)2017-08-010.1.2.0bjones
language-sh (deprecated)20.01A package for parsing shell scripts (bsd3, deprecated, language, library)2009-01-170.0.3.1
language-slice70.01AST and parser for the ZeroC Slice language (Specification language for ICE) (bsd3, language, library)2013-06-140.3.0.0PaulKoerbitz
language-spelling60.01Various tools to detect/correct mistakes in words (library, natural-language-processing, public-domain)2013-01-200.3.2FrancescoMazzoli
language-spir-v80.03Data type for SPIR-V (bsd3, language, library)2024-12-200.1.0.3YoshikuniJujo
language-sqlite30.01Full parser and generator for SQL as implemented by SQLite3 (bsd3, database, language, library)2011-02-141.1IreneKnapp
language-sygus40.01A parser and printer for the SyGuS 2.0 language. (bsd3, language, library)2022-10-310.1.1.3WilliamHallahan
language-thrift92.01Parser and pretty printer for the Thrift IDL format. (bsd3, language, library)2024-04-060.13.0.0PhilippHausmann, abhinav
language-tl30.02A Parser for the Type Language (bsd3, language, library)2020-06-040.1.1Poscat
language-toolkit60.00A set of tools for analyzing languages via logic and automata (formal-languages, library, mit, program)2024-04-271.2.0.1dakotah_lambert
language-typescript50.02A library for working with TypeScript Definition files (language, library, mit)2014-02-020.0.4PhilFreeman
language-vhdl32.04VHDL AST and pretty printer in Haskell. (bsd3, language, library)2021-06-150.1.4mararon
language-webidl20.01Parser and Pretty Printer for WebIDL (language, library, mit)2017-10-240.2.0.0izgzhen
laop60.00Matrix programming library (data, library, mit)2020-06-050.1.1.1bolt12
lapack50.04Numerical Linear Algebra using LAPACK (bsd3, library, math)2024-05-180.5.2HenningThielemann
lapack-carray60.01Auto-generated interface to Fortran LAPACK via CArrays (bsd3, library, math)2019-01-230.0.3HenningThielemann
lapack-comfort-array60.00Auto-generated interface to Fortran LAPACK via comfort-array (bsd3, library, math)2021-08-060.0.1HenningThielemann
lapack-ffi50.03Auto-generated interface to Fortran LAPACK (bsd3, library, math)2021-03-140.0.3HenningThielemann
lapack-hmatrix30.00Conversion of objects between 'lapack' and 'hmatrix' (bsd3, library, math)2023-01-140.0.0.2HenningThielemann
large-anon70.00Scalable anonymous records (bsd3, library, records)2025-03-110.3.2EdskoDeVries
large-generics70.03Generic programming API for large-records and large-anon (bsd3, generics, library)2024-07-020.2.2EdskoDeVries
large-hashable72.01Efficiently hash (large) Haskell values (bsd3, library, web)2025-01-130.1.2.0AlexanderThiemann, DavidLeuschner, StefanWehr
large-records82.251Efficient compilation for large records, linear in the size of the record (bsd3, generics, library)2024-10-150.4.2EdskoDeVries
largeword100.011Provides Word128, Word192 and Word256 and a way of producing other large words if required. (bsd3, data, library)2015-12-131.2.5DominicSteinitz
lasercutter20.00A high-powered, single-pass tree parser. (bsd3, library, parsing)2022-09-080.1.0.0isovector
latest-npm-version70.01Find the latest version of a package on npm (library, mit, network, program)2014-05-190.3.1passy
latex120.02Parse, format and process LaTeX files (bsd3, library, text)2018-08-310.1.0.4HenningThielemann
latex-formulae-hakyll82.01Use actual LaTeX to render formulae inside Hakyll pages (bsd3, image, library)2018-07-220.2.0.4LiamOConnorDavis
latex-formulae-image110.02A library for rendering LaTeX formulae as images using an actual LaTeX installation (bsd3, image, library)2018-07-220.1.1.4LiamOConnorDavis
latex-formulae-pandoc210.01Render LaTeX formulae in pandoc documents to images with an actual LaTeX installation (bsd3, image, library, program)2018-07-220.2.0.6LiamOConnorDavis
latex-function-tables50.00Function table specifications in latex (bsd3, library, program, text)2016-11-210.1.0.0SimonHudon
latex-svg-hakyll30.00Use actual LaTeX to render formulae inside Hakyll pages (bsd3, image, library)2020-04-260.2phadej
latex-svg-image60.02A library for rendering LaTeX formulae as SVG using an actual LaTeX (bsd3, image, library)2020-04-260.2phadej
latex-svg-pandoc40.01Render LaTeX formulae in pandoc documents to images with an actual LaTeX (bsd3, image, library, program)2020-05-100.2.1phadej
lathe30.01Pure incremental byte parser. (bsd3, library, parsing)2024-10-250.1.0.0OleksiiDivak
lathe-time30.00lathe + time (bsd3, library, parsing)2024-10-250.1.0.0OleksiiDivak
lattices462.2529Fine-grained library for constructing and manipulating lattices (bsd3, library, math)2024-05-162.2.1MaxBolingbroke, phadej
launchdarkly-server-sdk690.01Server-side SDK for integrating with LaunchDarkly (apache, library, web)2024-12-244.4.1launchdarkly
launchdarkly-server-sdk-redis-hedis40.00LaunchDarkly Server-Side SDK - Redis Integration (apache, library, web)2023-02-221.0.0launchdarkly
launchpad-control20.01High and low-level interface to the Novation Launchpad midi controller. (bsd3, library, music, program, system)2013-10-090.0.1.0BalazsKomuves
lawful60.01Assert the lawfulness of your typeclass instances. (bsd3, library, safe)2018-06-150.1.0.0mnoonan
lawful-classes-hedgehog60.00Hedgehog support for lawful-classes (apache, library, testing)2023-02-020.1.2.1NicolasTrangez
lawful-classes-quickcheck70.00QuickCheck support for lawful-classes (apache, library, testing)2023-02-020.1.2.1NicolasTrangez
lawful-classes-types30.02Types for lawful-classes (apache, library, testing)2023-02-020.1.0.2NicolasTrangez
lawful-conversions410.01Lawful typeclasses for bidirectional conversion between types (conversion, library, mit)2024-12-230.1.6NikitaVolkov
lawless-concurrent-machines40.01Concurrent networked stream transducers (bsd3, concurrency, control, library)2017-10-020.3.1misandrist
lawz40.04Common mathematical laws. (bsd3, library, math, testing)2020-02-110.1.1cmk
lax30.01Lax arrows (bsd3, control, library)2012-02-070.1.0.3WolfgangJeltsch
layered-graph-drawing30.00Layered Graph Drawing after Sugiyama (bsd3, graphics, graphs, library, program)2024-12-100.2.0.0TillmannVogt
layered-state10.02Control structure similar to Control.Monad.State, allowing multiple nested states, distinguishable by provided phantom types. (apache, data, library)2018-12-181.1.5danilo2, iamrecursion
layers20.02Modular type class machinery for monad transformer stacks. (bsd3, control, library)2013-03-140.1ShaneOBrien
layout10.04Turn values into pretty text or markup (bsd3, library, pretty-printer, text, typography)2016-07-270.0.0.2RobertHensing
layout-bootstrap (deprecated)40.01Template and widgets for Bootstrap2 to use with Text.Blaze.Html5 (deprecated, library, mit, text)2012-03-070.2.2AlexanderBondarenko
layout-rules30.01A collection of different layout implementations (bsd3, language, library)2020-01-010.1.0.2TrevorElliott
layouting50.01General layouting library. Currently supports layouting 2D areas and can be used as a backend for text pretty printing or automatic windows layouting managers. (apache, data, library)2018-12-181.1.4danilo2, iamrecursion
lazify10.00A simple utility for lazy record matching (bsd3, data, library)2021-09-030.1.0.1dfeuer
lazy50.01Explicit laziness for Haskell (control, library, mit)2018-04-280.1NikitaVolkov
lazy-async90.00Asynchronous actions that don't start right away (concurrency, library, mit)2025-01-211.1.0.0chris_martin, Monoid_Mary
lazy-bracket10.00A bracket with lazy resource allocation. (bsd3, control, library)2022-04-160.1.0.0DanielDiazCarrete
lazy-cache20.00Library for caching IO action that leverages on GHC RTS implementation (library, mpl, system)2023-01-060.2.0.0AlexanderVershilov
lazy-csv120.05Efficient lazy parsers for CSV (comma-separated values). (bsd3, library, program, text)2015-06-250.5.1MalcolmWallace
lazy-hash20.01Identifiers for not-yet-computed values (data, gpl, library)2017-07-240.1.0.0leftaroundabout
lazy-hash-cache20.01Storing computed values for re-use when the same program runs again. (data, gpl, library)2017-07-240.1.0.0leftaroundabout
lazy-io20.06Lazy IO (bsd3, library, system)2013-04-170.1.0JakubWaszczuk
lazy-io-streams40.01Get lazy with your io-streams (bsd3, library, unclassified)2016-09-090.1.0.0lukec
lazy-priority-queue60.00Lazy-Spined Monadic Priority Queues (control, data, gpl, library, program)2021-02-180.1.1MarioBlazevic
lazy-search270.01Finds values satisfying a lazy predicate (bsd3, library, testing)2022-05-170.1.3.0BrentYorgey, JonasDuregard
lazyarray20.01Efficient implementation of lazy monolithic arrays (lazy in indexes). (bsd3, data, library)2008-02-190.1.3MilanStraka
lazyboy10.00An EDSL for programming the Game Boy. (bsd3, compiler, dsl, library)2019-06-040.2.2.0rose
lazyio60.04Run IO actions lazily while respecting their order (bsd3, control, library, monads)2016-12-140.1.0.4HenningThielemann
lazyio-applicative50.00LazyIO applicative for asymptotic performance (applicative, control, library, mit)2024-02-020.1.0.3profunctorial
lazyppl42.00Lazy Probabilistic Programming Library (library, mit, statistics)2024-08-211.0samstaton
lazyset10.01Set and Map from lazy/infinite lists. (data, library, mit)2016-12-150.1.0.0carlos_freund
lazysmallcheck330.09A library for demand-driven testing of Haskell programs (bsd3, library, testing)2011-08-290.6GwernBranwen, MatthewNaylor
lazysplines42.01Differential solving with lazy splines (bsd3, library, math)2019-02-070.3GershomBazerman
lbfgs30.02L-BFGS optimization (library, numeric)2016-09-030.1DanielDeKok, IanWooKim
lca72.01O(log n) persistent online lowest common ancestor search without preprocessing (algorithms, bsd3, data-structures, library)2021-02-170.4EdwardKmett, ryanglscott
lcs30.03Find longest common sublist of two lists (library, list)2008-02-010.2IanLynagh
ld-intervals10.01Data structures for representing arbitrary intervals (bsd3, library, web)2016-06-170.1.0.0savannidgerinel
lda20.01Online Latent Dirichlet Allocation (bsd3, library, natural-language-processing)2012-02-290.0.2GrzegorzChrupala
ldap-client121.753Pure Haskell LDAP Client Library (bsd2, library, network)2024-06-210.4.3MatveyAksenov, bcj, sambolias
ldap-client-og50.00Pure Haskell LDAP Client Library (bsd2, library, network)2025-02-240.4.0MatveyAksenov
ldap-scim-bridge120.00See README for synopsis (agpl, library, program, system)2024-11-290.10PaoloCapriotti, MatthiasFischmann, battermann, supersven
ldif40.01The LDAP Data Interchange Format (LDIF) tools (bsd3, library, text)2013-01-130.0.13RadoslavDorcik
ldtk-types20.00Datatypes and Aeson instances for parsing LDtk (bsd3, data, library)2023-01-141.2.3isovector
lean (deprecated)20.00Bonds to Lean theorem prover (bsd3, deprecated, library, math)2019-05-150.0.0.1
lean-peano110.00A maximally lazy, simple implementation of the Peano numbers with minimal dependencies. (library, mit, numeric)2020-05-021.0.2.0oisdk
leancheck162.2511Enumerative property-based testing (bsd3, library, testing)2024-01-261.0.2rudymatela
leancheck-enum-instances60.01listable instances for small enum types (bsd3, library, testing)2018-10-230.1.0.0andrewthad
leancheck-instances100.00Common LeanCheck instances (bsd3, library, testing)2022-10-110.0.5rudymatela
leankit-api20.01LeanKit API (api, library, mit)2014-01-040.4dtorok
leanpub-concepts22.01Types for the Leanpub API (library, mit, web)2022-03-151.1.0.2chris_martin, Monoid_Mary
leanpub-wreq52.00Use the Leanpub API via Wreq (library, mit, web)2022-03-151.1.0.4chris_martin, Monoid_Mary
leapseconds10.01 (bsd3, library, time)2016-11-201.0AshleyYakeley
leapseconds-announced120.01Leap seconds announced at library release time. (bsd3, library, system)2017-07-302017.1.0.1BjornBuckwalter
learn20.01Learning Algorithms (bsd3, library, statistics)2013-02-170.1.1AugustusOdena
learn-physics160.01Haskell code for learning physics (bsd3, library, physics, program)2024-05-140.6.7ScottWalck
learning-hmm20.01Yet another library for hidden Markov models (algorithms, library, machine-learning, mit, statistics)2015-04-050.3.2.2mnacamura
leb12810.00LEB128 encoding logic for and in Haskell (bsd3, codec, library)2020-04-230.1.0.0AndreasK
leb128-binary20.00Signed and unsigned LEB128 codec for binary library (apache, binary, library)2023-11-140.1.3RenzoCarbonara
leb128-cereal100.02LEB128 and SLEB128 encoding (codec, library, mit)2020-11-201.2JoachimBreitner
legion (deprecated in favor of om-legion)52.252Distributed, stateful, homogeneous microservice framework. (apache, concurrency, deprecated, library, network)2017-04-170.10.0.0rickowens
legion-discovery (deprecated)140.00A discovery service based on Legion. (apache, deprecated, library, program, value)2017-04-301.0.0.1rickowens
legion-discovery-client (deprecated)100.01Client library for communicating with legion-discovery. (apache, deprecated, library, web)2017-08-130.2.0.1rickowens
legion-extra (deprecated)30.01Extra non-essential utilities for building legion applications. (apache, deprecated, library, value)2017-04-230.1.2.2rickowens
leksah70.01Haskell IDE written in Haskell (development, editor, ide, library, program)2017-08-140.16.2.2HamishMackenzie, JuergenNicklischFranken
leksah-server60.02Metadata collection for leksah (ide, library, program)2017-11-040.16.3.0HamishMackenzie, JuergenNicklischFranken
lendingclub20.01Bindings for the LendingClub marketplace API (bsd3, finance, library)2015-04-100.1.1wraithm
lens2743.01445Lenses, Folds and Traversals (bsd2, data, generics, lenses, library)2025-03-035.3.4EdwardKmett, EricMertens, JohnWiegley, ryanglscott
lens-accelerate60.01Instances to mix lens with Accelerate (accelerate, bsd3, data, lenses, library)2020-08-280.3.0.0TrevorMcDonell
lens-action120.08Monadic Getters and Folds (bsd3, data, generics, lenses, library)2021-11-160.2.6EdwardKmett, EricMertens, ryanglscott
lens-aeson852.75119Law-abiding lenses for aeson (data, json, lenses, library, mit)2023-06-271.2.3EdwardKmett, EricMertens, ryanglscott
lens-core (deprecated in favor of lens)61.50A placeholder for a future lens core package. (deprecated, lenses, library)2020-09-240.2EdwardKmett
lens-csv60.00 (bsd3, library, unclassified)2020-04-060.1.1.0ChrisPenner
lens-datetime82.01Lenses for Data.Time.* types (bsd3, data, lenses, library)2016-04-290.3GergelyRisko, MihalyBarasz
lens-errors50.00Error handling in lens chains (bsd3, lenses, library)2019-07-040.2.2.0ChrisPenner
lens-family561.7531Lens Families (bsd3, data, lenses, library)2024-03-192.1.3RussellOConnor
lens-family-core680.023Haskell 2022 Lens Families (bsd3, data, lenses, library)2024-03-192.1.3RussellOConnor
lens-family-th220.08Generate lens-family style lenses (bsd3, data, library)2024-01-160.5.3.1DanBurton
lens-filesystem30.00Lens interface for your filesystem; still a bit experimental (bsd3, control, library)2020-10-210.1.0.1ChrisPenner
lens-indexed-plated20.00Indexed version of Plated. (bsd2, data, generics, lenses, library)2023-07-080.1.0nicuveo
lens-labels (deprecated in favor of proto-lens)40.08Integration of lenses with OverloadedLabels. (bsd3, data, deprecated, library)2018-10-120.3.0.1JudahJacobson, gnezdo
lens-misc60.02Miscellaneous lens utilities. (bsd3, control, library)2018-07-020.0.2.0louispan
lens-named30.01Helper for use with lens (bsd3, lens, library)2018-02-010.1.0.2
lens-prelude20.01Alternate prelude that exports lens combinators (bsd3, library, web)2015-10-270.2andrewthad
lens-process42.00Optics for system processes (bsd3, library, system)2021-02-030.4.0.0topos
lens-properties70.01QuickCheck properties for lens (bsd3, data, lenses, library)2018-01-094.11.1EdwardKmett, EricMertens, ryanglscott
lens-regex80.01Lens powered regular expression (bsd3, library, text)2021-02-210.1.3TakahiroHimura
lens-regex-pcre71.53A lensy interface to regular expressions (bsd3, library, regex)2024-12-111.1.2.0ChrisPenner
lens-simple20.08simplified import of elementary lens-family combinators (bsd3, lenses-----, library)2016-06-230.1.0.9MichaelThompson
lens-sop70.02Computing lenses generically using generics-sop (bsd3, generics, library)2023-02-220.3.0AndresLoeh, EdskoDeVries
lens-tell30.00MonadTell-based lens combinators (bsd3, control, library)2021-09-060.1lightandlight
lens-text-encoding20.01Isomorphisms and prisms for text <=> bytestring conversions (library, mit, text)2014-10-120.1.0.0IanDuncan
lens-th-rewrite20.00Rewrites Template Haskell splices using the API (bsd3, data, library, program)2020-04-050.3.0.0DavidJohnson
lens-time10.01lens for Data.Time (data, library, mit)2013-08-140.1.0.0TatsuyaTouma
lens-toml-parser170.01Lenses for toml-parser (language, lenses, library)2025-02-270.3.0.2henrytill
lens-tutorial32.51Tutorial for the lens library (bsd3, control, library)2024-05-111.0.5GabrielGonzalez
lens-typelevel20.01Type-level lenses using singletons (bsd3, dependent-types, lenses, library)2018-10-290.1.1.0jle
lens-utils10.04Collection of missing lens utilities. (apache, data, library)2018-12-181.4.6danilo2, iamrecursion
lens-witherable30.00lens-compatible tools for working with witherable (data, library, mit)2024-03-110.2.0.2CarlHowells
lens-xml40.01Lenses for the xml package. (bsd3, library, web)2016-11-010.1.0.0NickPartridge
lenses50.03Simple Functional Lenses (bsd3, data, library)2018-07-120.1.8JobVranish
lensref (deprecated)20.02References which can be joined and on which lenses can be applied (bsd3, control, data, deprecated, library)2014-05-180.2PeterDivianszky
lenz (deprecated)60.02Van Laarhoven lenses (bsd3, data, deprecated, lenses, library)2020-01-160.4.2.0
lenz-mtl (deprecated)40.00mtl operations with Van Laarhoven lenses (control, data, deprecated, lenses, library)2019-10-250.1
lenz-template (deprecated)40.01Van Laarhoven lens templates (data, deprecated, lenses, library, template-haskell)2017-11-150.2.0.0
less-arbitrary52.00Linear time testing with variant of Arbitrary class that always terminates. (bsd3, library, web)2023-03-110.1.8.0MichalGajda
level-monad20.02Non-Determinism Monad for Level-Wise Search (control, library, monads, public-domain)2009-06-220.4.1SebastianFischer
leveldb-haskell600.011Haskell bindings to LevelDB (bsd3, database, ffi, library)2025-02-250.6.5.1KimAltintop
leveldb-haskell-fork110.01Haskell bindings to LevelDB (bsd3, database, ffi, library)2014-12-220.3.4.4ifesdjeen
levenshtein50.01Calculate the edit distance between two foldables. (bsd3, library, tools)2022-07-270.2.1.0wvanonsem90
levmar50.02An implementation of the Levenberg-Marquardt algorithm (bsd3, library, math, numerical)2018-05-071.2.1.8BasVanDijk, RoelVanDijk
levmar-chart20.01Plots the results of the Levenberg-Marquardt algorithm in a chart (bsd3, library, numerical)2009-09-160.2RoelVanDijk
lex-applicative (deprecated)30.00See README for more info (bsd3, deprecated, library, parsing, text)2019-12-250.0.0.1
lexer-applicative72.02Simple lexer based on applicative regular expressions (language, library, mit)2018-06-062.1.0.2RomanCheplyaka
lfst30.01L-Fuzzy Set Theory implementation in Haskell (gpl, library, math----------)2016-03-121.0.2claudiogreco
lgtk (deprecated)20.01Lens GUI Toolkit (bsd3, deprecated, gui, library, program)2014-05-180.8.0.4PeterDivianszky
lha10.03Data structures for the Les Houches Accord (library, mit, physics)2012-02-060.1.2ScottLawrence
lhe10.01Parser and writer for Les-Houches event files (data, library, mit, physics)2012-02-130.5ScottLawrence
libBF250.06A binding to the libBF library. (data, library, mit)2024-06-050.6.8IavorDiatchki, RobertDockins, ryanglscott, galoisinc
libGenI (deprecated in favor of GenI)20.01A natural language generator (specifically, an FB-LTAG surface realiser) (deprecated, library, natural-language-processing)2008-02-190.16.1EricKow
libarchive-conduit70.02Read many archive formats with libarchive and conduit (bsd3, codec, library)2014-11-120.1.0.0ThomasTuegel
libconfig10.01Haskell bindings to libconfig (bsd3, language, library)2015-04-290.3.0.0peddie
libcspm30.01A library providing a parser, type checker and evaluator for CSPM. (bsd3, concurrency, library)2013-10-111.0.0ThomasGibsonRobinson
libexpect10.01Library for interacting with console applications via pseudoterminals. (bsd3, library, system)2012-10-030.3.2StephenRoantree
libffi182.06A binding to libffi (bsd3, foreign, library)2022-09-240.2.1RemiTurk, ryanglscott
libffi-dynamic30.00LibFFI interface with dynamic bidirectional type-driven binding generation (foreign, library)2019-05-290.0.0.2JamesCook
libfuse331.750A Haskell binding for libfuse-3.x (library, mit, system)2023-03-260.2.0.1yohashi
libgit30.02Simple Git Wrapper (bsd3, development, library)2015-05-140.3.1VincentHanquez
libgraph80.03Store and manipulate data in a graph. (algorithms, bsd3, data-structures, library)2017-09-031.14faddegon
libhbb20.01Backend for text editors to provide better Haskell editing support. (development, lgpl, library, program)2014-10-300.4.1.0wolfch
libinfluxdb20.01libinfluxdb (database, library, mit)2016-05-250.0.4wereHamster
libiserv20.00Provides shared functionality between iserv and iserv-proxy. (bsd3, development, library)2024-07-019.6.6BenGamari, HerbertValerioRiedel, LuiteStegeman, angerman, wz1000
libjenkins30.01Jenkins API interface (bsd2, library, network)2023-04-250.9.0MatveyAksenov
libjwt-typed20.00A Haskell implementation of JSON Web Token (JWT) (library, mpl, web)2020-09-210.2rzeznik
liblastfm40.01Lastfm API interface (library, mit, network-apis)2018-08-070.7.0DmitryMalikov, MatveyAksenov
liblawless70.01Prelude based on protolude for GHC 8 and beyond. (gpl, library, prelude)2017-10-020.26.0misandrist
liblinear-enumerator20.01liblinear iteratee. (ai, bsd3, classification, library, statistics)2011-11-080.1.2NathanHowell
libltdl20.01FFI interface to libltdl (bsd3, foreign, library)2020-02-170.1.1.2GeoffreyMainland
libmdbx30.00Bindings for libmdbx, an embedded key/value store (bsd3, database, library, program)2022-01-200.2.1.1fjvallarino
libmodbus50.00Haskell bindings to the C modbus library (bsd2, library, system)2023-09-181.1.3JoeyHess
libmolude (deprecated in favor of liblawless)20.01Prelude based on protolude for GHC 8 and beyond. (deprecated, gpl, library, prelude)2016-11-260.12.3misandrist
libmpd332.07An MPD client library. (library, mit, network, sound)2024-06-210.10.0.1BenSinclair, JoachimFasting, SimonHengel, psibi, jade512
libnix21.751Bindings to the nix package manager (foreign, gpl, library, nix)2021-11-230.4.1.0Profpatsch, chris_martin
libnotify60.03Bindings to libnotify library (desktop, library, mit, system)2018-07-160.2.1MatveyAksenov
libnvvm20.01FFI binding to libNVVM, a compiler SDK component from NVIDIA (foreign, library, mit)2014-04-031.0.0seanprime7
liboath-hs40.00Bindings to liboath (gpl, library, program, security)2020-10-260.0.1.2parsonsmatt
liboleg20.02An evolving collection of Oleg Kiselyov's Haskell modules (bsd3, library, text)2010-10-162010.1.10.0DonaldStewart, shergill
libpafe10.01Wrapper for libpafe (ffi, gpl, library)2015-07-290.1.1.0haru2036
libphonenumber50.00Parsing, formatting, and validating international phone numbers (data, library, mit)2023-12-200.1.3.0mniip, typeable, iko
libpq20.01libpq binding for Haskell (bsd3, database, library)2011-04-060.4.1GrantMonroe
libraft (deprecated)40.00Raft consensus algorithm (bsd3, deprecated, distributed-systems, library, program)2019-03-200.5.0.0sdiehl
librandomorg20.01Wrapper to Random.org API (library, mit, network-apis)2012-06-100.0.1.0MatveyAksenov
librarian10.00Move/rename according a set of rules (data, library, program)2024-09-250.1.0.1gdifolco
librato20.01Bindings to the Librato API (library, mit, network)2014-07-200.2.0.1IanDuncan
libravatar60.01Use Libravatar, the decentralized avatar delivery service (library, network, public-domain, web)2017-12-200.4.0.2akrasner
librdkafka20.00TBA (bsd3, data, library)2019-05-170.0.0.0chessai
libremidi60.00libremidi bindings for haskell (bsd3, library, program, unclassified)2025-01-080.4.2ejconlon
libretls10.00libtls bindings (bsd2, library, network)2019-01-010.0.0.0CarterSchonwald
libriscv20.00A versatile, flexible and executable formal model for the RISC-V architecture. (formal-languages, library, mit, program)2024-07-100.1.0.0nmeum
libroman51.51Use Roman Numerals as a Numeric Datatype (sort of) (bsd3, data, library, math, numerical, program)2024-08-223.2.0ahakki
libsecp256k1180.00Bindings for secp256k1 (crypto, library, mit)2024-11-150.3.0ProofOfKeags
libsodium30.04Low-level bindings to the libsodium C library (cryptography, library)2023-03-061.0.18.3RenzoCarbonara
libsodium-bindings120.01FFI bindings to libsodium (bsd3, cryptography, library)2024-10-090.0.2.0hecate
libssh10.00libssh bindings (library, mit, network)2024-06-190.1.0.0defanor
libssh260.04FFI bindings to libssh2 SSH2 client library (http://libssh2.org/) (bsd3, library, network)2022-09-010.2.0.9IlyaPortnov
libssh2-conduit20.01Conduit wrappers for libssh2 FFI bindings (see libssh2 package). (bsd3, library, network)2017-11-040.2.1IlyaPortnov
libstackexchange80.01StackExchange API interface (library, mit, networkapis)2018-06-140.3.1MatveyAksenov
libsystemd-daemon40.01Haskell bindings for libsystemd-daemon. (lgpl, library, system)2013-03-240.1.0.1CedricStaub
libsystemd-journal240.02Haskell bindings to libsystemd-journal (bsd3, library, logging)2024-08-201.4.6.0ErikDeCastroLopo, OliverCharles, chris_martin
libtagc20.02Binding to TagLib C library. (audio, lgpl, library)2010-11-070.12.0AndyStewart
libtelnet40.01Bindings to libtelnet (gpl, library, network)2021-02-130.1.0.1jack
libtorch-ffi60.01Haskell bindings for PyTorch (bsd3, codegen, library)2025-01-212.0.1.3junjihashimoto
libtorch-ffi-helper50.02Helpers for integrating libtorch-ffi with Hasktorch. (bsd3, codegen, library)2025-01-212.0.0.2junjihashimoto
libversion50.00Haskell binding to libversion (bsd3, ffi, library)2021-02-160.1.1Poscat
libvirt-hs30.02FFI bindings to libvirt virtualization API (http://libvirt.org) (bsd3, library, system)2019-06-280.2.2IlyaPortnov
libvorbis40.01Haskell binding for libvorbis, for decoding Ogg Vorbis audio files (bsd3, codec, library)2017-06-010.1.0.2StephenBlackheath
libxls10.01Bindings to libxls (ffi, library, mit)2016-02-250.2uuhan
libxlsxwriter-hs30.00Bindings to libxlsxwriter (bsd3, ffi, library, xlsx)2021-12-220.1.0Jappie, jgt, tim_supercede
libxml70.04Binding to libxml2 (bsd3, library, xml)2008-06-180.1.1DavidHimmelstrup, DonaldStewart
libxml-enumerator (deprecated)60.01Enumerator-based API for libXML's SAX interface (deprecated, enumerator, library, mit, parsing, text, xml)2011-04-060.5JohnMillikin
libxml-sax90.05Bindings for the libXML2 SAX interface (foreign, library, mit, parsing, text, xml)2024-11-260.7.6StephenWeber
libxslt20.01Binding to libxslt (bsd3, foreign-binding, library, text, xml)2009-09-130.1
libyaml820.09Low-level, streaming YAML interface. (bsd3, library, text)2024-03-150.1.4MichaelSnoyman
libyaml-clib450.02libyaml clibs (library, mit, text)2024-03-130.2.5maerwald
libyaml-streamly92.01Low-level, streaming YAML interface via streamly. (bsd3, library, text)2024-04-220.2.3.0maerwald
libzfs30.01Bindings to libzfs, for dealing with the Z File System and Zpools. (library, mit, program, system)2017-03-020.2.0.0implementation
licensor40.00A license compatibility helper (distribution, library, mit, program)2021-05-300.5.0jpvillaisaza
lie10.00Lie Algebras (bsd3, library, math, program)2019-06-080.1.0.0jumper149
life-sync22.250Synchronize personal configs across multiple machines. (cli, cli-tool, configuration, development, library, mpl, program)2020-05-211.1.1.0vrom911
lifetimes10.01Flexible manual resource management (apache, library, unclassified)2023-02-050.2.0.1isd
lift-generics100.01GHC.Generics-based Language.Haskell.TH.Syntax.lift implementation (bsd3, language, library)2024-10-220.3ryanglscott
lift-read-show (deprecated)60.01Helper methods to define `Read1`, `Read2`, `Show1`, `Show2` instances (bsd3, deprecated, library, unclassified)2018-05-060.1.0.0
lift-type402.02Lift a type from a Typeable constraint to a Template Haskell type (bsd3, library, unclassified)2024-07-230.1.2.0parsonsmatt
lifted-async1862.2584Run lifted IO operations asynchronously and wait for their results (bsd3, concurrency, library)2024-11-030.10.2.7MitsutoshiAoe
lifted-base1180.0274lifted IO operations from the base library (bsd3, control, library)2018-03-140.2.3.12BasVanDijk
lifted-base-tf (deprecated)30.01lifted IO operations from the base library (bsd3, control, deprecated, library)2018-08-190.1.0.0
lifted-protolude20.01A sensible set of defaults for writing lifted custom Preludes. (library, mit, prelude)2016-07-130.1.6parsonsmatt
lifted-stm30.01STM operations lifted through monad transformer stacks (bsd3, concurrency, library)2023-05-090.2.0.1MikhailVorozhtsov
lifted-threads140.02lifted IO operations from the threads library (bsd3, concurrency, library)2015-04-021.0MikhailGlushenkov, arybczak, jonathanjouty_scrive, trin_cz
lifx-lan100.00LIFX LAN API (bsd3, library, unclassified)2025-03-060.8.4GeorgeThomas
ligature10.01Expand ligatures in unicode text (library, mit, text)2013-08-140.1.0.0JosefSvenningsson
ligd40.01Lightweight Implementation of Generics and Dynamics (bsd3, generics, library)2011-09-150.2SeanLeather
light50.01a simple physics engine (bsd3, library, physics)2017-10-020.2.0.1suzumiya
lightning-haskell40.01Haskell client for lightning-viz REST API (bsd3, library, visualization, web)2016-10-290.1.0.3cmoreside
lightstep-haskell320.00LightStep OpenTracing client library (apache, library, program, tools)2020-10-090.10.4DmitryIvanov
lighttpd-conf20.02Lighttpd configuration file tools. (bsd3, library, web)2008-08-060.4MattMorrow
lighttpd-conf-qq70.01A QuasiQuoter for lighttpd configuration files. (bsd3, library, web)2008-08-060.5MattMorrow
lilypond70.05Bindings to Lilypond (bsd3, library, music)2015-06-301.9.0HansHoglund
lima60.00Convert between Haskell, Markdown, Literate Haskell, TeX (library, mit, productivity)2023-07-210.3.0.0deemp
limp52.03representation of Integer Linear Programs (library, mit, numeric)2018-11-120.3.2.3amosrobinson
limp-cbc40.02bindings for integer linear programming solver Coin/CBC (library, mit, numeric)2018-11-120.3.2.3amosrobinson
lin-alg30.01Low-dimensional matrices and vectors for graphics and physics (bsd3, library, math)2016-11-050.1.0.3JasonDagit
linda10.01LINear Discriminant Analysis (bsd3, library, math, statistics)2011-09-240.1.2LennartSchmitt
linden31.250Zen gardening, based on l-systems (bsd3, library, program, web)2017-05-010davean
lindenmayer40.01L-systems in Haskell (formal-languages, library, mit)2015-06-070.1.0.1reinh
line72.01Haskell SDK for the LINE API (bsd3, library, network)2017-09-274.0.1noraesae
line-bot-sdk42.250Haskell SDK for LINE Messaging API (bsd3, library, network, web)2021-08-250.7.2moleike
line-drawing10.00raster line drawing (bsd3, graphics, library)2023-03-190.4.0.2fffaaa
line-indexed-cursor30.00Line-indexed file reader. (data, development, library, mit)2023-07-230.1.0.0ak3n
line2pdf140.01Simple command-line utility to convert text into PDF (bsd3, library, program, text)2008-07-210.0.7AudreyTang
linear2122.5161Linear Algebra (algebra, bsd3, library, math)2025-03-031.23.1AnthonyCowley, EdwardKmett, EricMertens, ryanglscott
linear-accelerate50.02Lifting linear vector spaces into Accelerate (accelerate, algebra, bsd3, library, math)2020-08-280.7.0.0EdwardKmett, TrevorMcDonell, ryanglscott
linear-algebra-cblas20.02A linear algebra library with bindings to BLAS and LAPACK (bsd3, library, math, program)2013-04-180.1CarterSchonwald
linear-base120.05Standard library for linear types. (library, mit, prelude)2023-10-130.4.0utdemir, dotwani, aspiwack, tbagrel1
linear-circuit50.01Compute resistance of linear electrical circuits (bsd3, library, math)2021-12-050.1.0.4HenningThielemann
linear-code22.01A simple library for linear codes (coding theory, error correction) (gpl, library, math)2018-08-300.2.0wchresta
linear-generics160.02Generic programming library for generalised deriving. (bsd3, generics, library)2024-01-090.2.3dfeuer, aspiwack
linear-geo20.00Geographic coordinates, built on the linear package. (library, math, mit)2023-12-210.1.0.0TravisWhitaker
linear-grammar60.01A simple grammar for building linear equations and inclusive inequalities. (algebra, bsd3, library, math)2015-06-130.0.2.1athanclark
linear-maps (deprecated)10.01Finite maps for linear use (bsd3, data, deprecated, library, program)2009-05-280.6.1PeterDivianszky, ZsoltDollenstein
linear-opengl40.01Isomorphisms between linear and OpenGL types (bsd3, graphics, library)2016-10-140.3.0.0BenGamari
linear-programming70.03Linear Programming basic definitions (bsd3, library, math)2023-12-220.0.1HenningThielemann
linear-smc30.00Build SMC morphisms using linear types (lgpl, library, math)2023-06-202.2.3JeanPhilippeBernardy
linear-socket40.01Typed sockets (gpl, library, network)2018-09-290.3.3.3alleledev
linear-tests70.00Linear Algebra (algebra, bsd3, library, math, testing)2020-03-270.1.2.0pdlla
linear-vect20.02A low-dimensional linear algebra library, operating on the Num typeclass (bsd3, library, math)2014-10-050.1.1.0capsjac
linearEqSolver110.01Use SMT solvers to solve linear systems over integers and rationals (bsd3, library, math, smt)2024-12-232.4LeventErkok
linearmap-category20.04Native, complete-ish, matrix-free linear algebra. (gpl, library, math)2023-05-200.6.0.1leftaroundabout
linearscan30.02Linear scan register allocator, formally verified in Coq (bsd3, development, library)2015-11-201.0.0JohnWiegley
linearscan-hoopl70.01Makes it easy to use the linearscan register allocator with Hoopl (bsd3, development, library)2015-11-201.0.0JohnWiegley
linebreak90.02breaks strings to fit width (bsd3, library, text)2023-04-231.1.0.4fffaaa
linenoise40.01A lightweight readline-replacement library for Haskell (bsd3, library, program, user-interfaces)2024-12-170.4.2ejconlon
lines-of-action10.01Lines of Action, 2-player strategy board game (game, library, mit)2018-06-160.0.1jxv
lingo80.01File extension based programming language detection (bsd3, data, library, program)2022-03-040.5.0.3patrick_thomson, tclem, robrix, rewinfrey
linguistic-ordinals50.01Express Integral types as linguistic ordinals (1st, 2nd, 3rd, etc) (bsd3, library, text)2017-08-030.1.0.2ElliotRobinson
link-relations40.01Use web link relation types (RFC 5988) in Haskell (data, library, public-domain, web)2016-01-280.1.1.0akrasner
linkcheck10.00Check for broken links in CI (library, mit, program, unclassified)2022-05-090.1.0.0Norfair
linked-list-with-iterator12.01A pure linked list which is mutable through iterators. (bsd3, data-structures, library)2016-09-290.1.1.0CindyLinz
linkedhashmap110.01Persistent LinkedHashMap data structure (bsd3, data, library)2015-02-070.4.0.0abasko
linklater30.02A Haskell library for the Slack API (bsd3, library, network)2017-05-104.0.0.2hao
linnet50.02Lightweight library for building HTTP API (library, linnet)2019-09-180.4.0.1sergeykolbasov
linnet-aeson40.00Aeson JSON support for Linnet (library, linnet)2019-09-180.4.0.1sergeykolbasov
linnet-conduit40.00Conduit-backed support for streaming in Linnet (library, linnet)2019-09-180.4.0.1sergeykolbasov
linode20.01Bindings to the Linode API (bsd3, cloud, distributed-computing, library, network)2017-03-300.3.0.0Helkafen
linode-v410.01Haskell wrapper for the Linode v4 API (bsd3, library, network)2016-09-210.1.0.4eatonphil
linux-blkid30.01Linux libblkid (lgpl, library, system)2013-05-110.2.0.0NicolaSquartini
linux-capabilities80.01Linux capabilities Haskell data type (apache, library, system)2022-07-100.1.1.0TristanCacqueray
linux-cgroup30.01Very basic interface to the Linux CGroup Virtual Filesystem (library, mit, system)2014-02-280.1.1.2clord
linux-evdev (deprecated in favor of evdev)40.01Bindings to Linux evdev input device interface. (bsd3, deprecated, library, system)2016-04-130.3.2BenGamari
linux-file-extents100.01Retrieve file fragmentation information under Linux (bsd3, ffi, filesystem, library, system)2023-06-230.2.0.1MariosTitas
linux-framebuffer30.00Linux fbdev (framebuffer device, /dev/fbX) utility functions (graphics, library)2020-06-030SergeyAlirzaev
linux-inotify40.01Thinner binding to the Linux Kernel's inotify interface (bsd3, library, system)2020-07-300.3.0.2LeonSmith, wraithm
linux-kmod10.01Linux kernel modules support (bsd3, library, system)2014-05-050.1.0.1NicolaSquartini
linux-mount30.01Mount and unmount filesystems (bsd3, library, system)2014-06-060.2.0.1NicolaSquartini
linux-namespaces140.01Work with linux namespaces: create new or enter existing ones (bsd3, library, system)2024-12-160.2.0.1MariosTitas
linux-perf10.01Read files generated by perf on Linux (bsd3, debug, development, ghc, library, profiling, program, trace)2012-11-030.3MikolajKonarski
linux-ptrace20.01Wrapping of Linux' ptrace(2). (library, mit, system)2010-10-310.1.2RichardSmith, kriztw
linux-xattr70.01Read, set and list extended attributes (bsd3, library, system)2014-06-050.1.1.0NicolaSquartini
linx-gateway20.01Implementation of the Enea LINX gateway protocol. (library, mit, network, program)2014-08-040.1.0.2PatrikSandahl
lio72.04Labeled IO Information Flow Control Library (library, mit, security)2020-09-230.11.7.1AmitLevy, DavidMazieres, DeianStefan
lio-eci11 (deprecated in favor of lio)20.01Labeled IO library (deprecated, library, security)2011-07-230.2AlejandroRusso
lio-fs60.01Labeled File System interface for LIO (library, security)2014-03-130.0.1.2DeianStefan
lio-simple20.01LIO support for the Simple web framework (lgpl, library, program, web)2014-04-200.0.2.2DeianStefan
lion22.00RISC-V Core (bsd3, hardware, library)2024-08-030.4.0.1dopamane
lipsum-gen10.01Generators for random sequences of English-like nonsense text. (bsd3, library, testing-, text)2015-03-140.1.0.2evilcandybag
liquid20.01Liquid template language library (bsd3, library, template)2016-12-190.1.0.3james_rth
liquid-base (deprecated in favor of liquidhaskell)52.010base specs for LiquidHaskell (bsd3, deprecated, language, library)2023-03-104.15.1.0AlfredoDiNapoli, AndresLoeh, FacundoDominguez, ranjitjhala, nikivazou
liquid-bytestring (deprecated in favor of liquidhaskell)30.00Old specs for the bytestring package (bsd3, deprecated, language, library)2023-03-100.10.12.1AlfredoDiNapoli, FacundoDominguez, ranjitjhala, nikivazou
liquid-containers (deprecated in favor of liquidhaskell)40.01Old specs for containers (bsd3, deprecated, language, library)2023-03-100.6.4.1AlfredoDiNapoli, AndresLoeh, FacundoDominguez, ranjitjhala, nikivazou
liquid-fixpoint400.05Predicate Abstraction-based Horn-Clause/Implication Constraint Solver (bsd3, language, library, program)2025-03-220.9.6.3.3AlfredoDiNapoli, AndresLoeh, EricSeidel, FacundoDominguez, ranjitjhala, niki, clayrat
liquid-ghc-prim (deprecated in favor of liquidhaskell)20.01Drop-in ghc-prim replacement for LH (bsd3, deprecated, language, library)2023-03-100.7.0.1AlfredoDiNapoli, AndresLoeh, FacundoDominguez, ranjitjhala, nikivazou
liquid-parallel20.00LiquidHaskell specs for the parallel package (bsd3, language, library)2024-03-073.2.2.0.3AlfredoDiNapoli, AndresLoeh, FacundoDominguez, ranjitjhala, nikivazou
liquid-prelude130.01General utility modules for LiquidHaskell (bsd3, language, library)2025-03-190.9.10.1.2AlfredoDiNapoli, FacundoDominguez, ranjitjhala, nikivazou
liquid-vector40.01LiquidHaskell specs for the vector package (bsd3, language, library)2024-03-070.13.1.0.1AlfredoDiNapoli, AndresLoeh, FacundoDominguez, ranjitjhala, nikivazou
liquidhaskell722.516Liquid Types for Haskell (bsd3, language, library)2025-03-220.9.12.2AlfredoDiNapoli, AndresLoeh, EricSeidel, FacundoDominguez, ranjitjhala, niki, clayrat
liquidhaskell-boot380.01Liquid Types for Haskell (bsd3, language, library)2025-03-220.9.12.2FacundoDominguez
liquidhaskell-cabal50.01Liquid Haskell integration for Cabal and Stack (bsd3, development, library)2019-05-300.2.1.0MichaelSmith
liquidhaskell-cabal-demo70.01Demo of Liquid Haskell integration for Cabal and Stack (development, library, program)2019-05-300.2.1.1MichaelSmith
lispparser30.01Simple parser for LISP S-expressions (bsd3, library, parsing)2011-01-200.3.1EricKow
list-duplicate50.00Group and delete duplicates from a list (bsd3, library, list)2020-05-020.1.0.0pgujjula
list-extras40.012Common not-so-common functions for lists (bsd3, library, list)2021-10-180.4.1.6WrenThornton, WrenRomano
list-filter30.00Special takes and drops on lists (bsd3, library, list)2020-05-040.1.1.0pgujjula
list-fusion-probe20.01testing list fusion for success (bsd3, data, library)2023-12-020.1.0.9JoachimBreitner
list-grouping (deprecated in favor of split)50.01Functions for grouping a list into sublists (bsd3, data, deprecated, library)2011-02-130.1.1BrandonSimmons
list-mux20.01List Multiplexing (bsd3, library, list)2012-08-231.0ChrisHeller
list-predicate61.50Predicates on lists (bsd3, library, list)2020-05-020.1.0.1pgujjula
list-prompt20.01A simple list prompt UI for the terminal. (gpl, library, system)2015-12-200.1.1.0yamadapc
list-shuffle100.01List shuffling and sampling (bsd3, data, library)2024-05-161.0.0.1mitchellwrosen
list-singleton42.00Easily and clearly create lists with only one element in them. (data, library, mit)2022-08-282.0.0.2fozworth
list-t782.040ListT done right (control, data-structures, library, mit, streaming)2023-10-111.0.5.7NikitaVolkov
list-t-attoparsec20.01An "attoparsec" adapter for "list-t" (library, mit, parsing, streaming)2016-10-190.4.1NikitaVolkov
list-t-html-parser10.01Streaming HTML parser (html, library, mit, parser, streaming)2016-10-190.4.2NikitaVolkov
list-t-http-client10.01A streaming HTTP client (http, library, mit, streaming)2015-04-230.1.0.1NikitaVolkov
list-t-libcurl20.01A "libcurl"-based streaming HTTP client (http, library, mit, streaming)2018-02-120.3.3NikitaVolkov
list-t-text30.01A streaming text codec (codec, library, mit, streaming)2016-10-190.2.1NikitaVolkov
list-transformer182.05List monad transformer (bsd3, control, library)2024-05-191.1.1GabrielGonzalez
list-tries170.010Tries and Patricia tries: finite sets and maps for list keys (bsd3, data, data-structures, library)2024-09-030.6.7.1MattiNiemenmaa, arybczak
list-tuple70.02List-like operations for tuples (apache, data, library)2023-08-180.1.4.1kakkun61
list-witnesses60.00Witnesses for working with type-level lists (bsd3, dependent-types, library)2024-02-280.1.4.1jle
list-zip-def20.01Provides zips with default values. (data, library, public-domain)2018-12-190.1.0.3muesli4
list-zipper30.01A list zipper (bsd3, data, library)2025-01-180.0.12TonyMorris, qfpl
list120.00Helpers for working with NonEmpty lists. (bsd3, data, library)2024-08-100.0.2melaniebrown
listenbrainz-client50.01A client library to the ListenBrainz project (bsd3, library, web)2018-02-031.1.1OliverCharles
listlike-instances (deprecated in favor of ListLike)80.06Extra instances of the ListLike class (bsd3, data-structures, deprecated, generics, library)2012-11-130.2.3.1JohnLato
lists30.03Functions for dealing with lists (bsd3, data, library)2013-10-100.4.2ChrisDone
lists-flines60.08Additional data and structures to some 'String'-related lists. (data, library, mit)2023-01-280.1.3.0OleksandrZhabenko
listsafe80.09Safe wrappers for partial list functions, supporting MonadThrow. (apache, data, library, list, safe)2015-05-130.1.0.1jtapolczai, jtapolczai2
liszt20.00Append only key-list database (bsd3, database, library, program)2018-09-110.2FumiakiKinoshita
literals20.01Non-overloaded functions for concrete literals. (data, library, mit)2013-03-301.0JulianFleischer
literatex90.00transform literate source code to Markdown (library, mit, program, utils)2025-01-020.4.0.0TravisCardwell
little-earley30.00Simple implementation of Earley parsing (library, mit, parsing)2021-05-290.2.0.0lyxia
little-logger50.02Basic logging based on monad-logger (bsd3, library, logging)2024-12-113.0.1ejconlon
little-rio60.02When you need just the RIO monad (bsd3, control, library)2024-09-193.0.0ejconlon
live-sequencer90.01Live coding of MIDI music (gui, library, music, program, sound)2024-02-110.0.6.3HenningThielemann
liveplot20.00Liveplotting (bsd3, graphics, library, program)2018-07-240.1.0.0srk
ll-picosat20.01 (library, mit, unclassified)2015-01-010.1.0.0DanielWaterworth
llama-cpp-haskell50.00Haskell bindings for the llama.cpp llama-server (agpl, library, text)2025-02-080.1.0.1SergeyAlirzaev
llrbtree40.01Purely functional sets and heaps (bsd3, data, library)2012-01-310.1.1KazuYamamoto
llsd10.01An implementation of the LLSD data system (library, mit, networking, program)2010-08-300.2.0.0BryanOSullivan
llvm (deprecated in favor of llvm-hs, llvm-general, llvm-tf)171.55Bindings to the LLVM compiler toolkit. (bsd3, code-generation, compilers-interpreters, deprecated, library)2013-05-283.2.0.2BenjaminSaunders, BryanOSullivan, CarterSchonwald, LennartAugustsson
llvm-analysis30.02A Haskell library for analyzing LLVM bitcode (bsd3, development, library)2013-11-120.3.0TristanRavitch
llvm-base (deprecated in favor of llvm-general)30.04FFI bindings to the LLVM compiler toolkit. (bsd3, code-generation, compilers-interpreters, deprecated, library)2013-05-283.2.0.2BenjaminSaunders, BryanOSullivan, CarterSchonwald
llvm-base-types40.03The base types for a mostly pure Haskell LLVM analysis library (bsd3, data, library)2013-11-120.3.0TristanRavitch
llvm-base-util20.01Utilities for bindings to the LLVM compiler toolkit. (bsd3, code-generation, compilers-interpreters, library)2013-03-173.0.1.0PaulMeng
llvm-codegen20.00A DSL for LLVM IR code generation based on llvm-hs. (bsd3, compilers, library)2024-10-200.1.0.0luc_tielen
llvm-data-interop30.02A low-level data interoperability binding for LLVM (bsd3, data, library)2013-11-120.3.0TristanRavitch
llvm-dsl10.03Support for writing an EDSL with LLVM-JIT as target (bsd3, code-generation, compilers-interpreters, library)2024-04-090.1.2HenningThielemann
llvm-extension20.00Processor specific intrinsics for the llvm interface (bsd3, code-generation, compilers-interpreters, library)2020-01-050.0HenningThielemann
llvm-extra60.07Utility functions for the llvm interface (bsd3, code-generation, compilers-interpreters, library)2024-07-210.12.1HenningThielemann
llvm-ffi62.02FFI bindings to the LLVM compiler toolkit. (bsd3, code-generation, compilers-interpreters, library)2023-10-0816.0HenningThielemann
llvm-general232.254General purpose LLVM bindings (bsd3, code-generation, compilers-interpreters, library)2016-02-113.5.1.2BenjaminScarlet
llvm-general-pure52.07Pure Haskell LLVM functionality (no FFI). (bsd3, code-generation, compilers-interpreters, library)2016-02-113.5.1.0BenjaminScarlet
llvm-general-quote40.01QuasiQuoting llvm code for llvm-general (bsd3, code-generation, compilers-interpreters, library)2014-10-140.2.0.0TvH
llvm-hs322.753General purpose LLVM bindings (bsd3, code-generation, compilers-interpreters, library)2019-09-289.0.1cocreature, andrew_wja
llvm-hs-pretty32.01A pretty printer for LLVM IR. (compilers, library, mit)2020-01-060.9.0.0sdiehl, andrew_wja
llvm-hs-pure162.57Pure Haskell LLVM functionality (no FFI). (bsd3, code-generation, compilers-interpreters, library)2019-09-069.0.0cocreature, andrew_wja
llvm-ht (deprecated in favor of llvm-tf, llvm-ffi)20.03Bindings to the LLVM compiler toolkit with some custom extensions. (bsd3, code-generation, compilers-interpreters, deprecated, library)2010-09-210.7.0.0HenningThielemann
llvm-party30.00General purpose LLVM bindings (bsd3, code-generation, compilers-interpreters, library)2023-06-2712.1.1Jappie, mangoiv
llvm-pretty70.05A pretty printing library inspired by the llvm binding. (bsd3, library, text)2025-03-200.13.0.0EricMertens, TrevorElliott, ryanglscott, mccleeary, sauclovian_g
llvm-pretty-bc-parser80.02LLVM bitcode parsing library (bsd3, library, program, text)2025-03-200.5.0.0EricMertens, TrevorElliott, ryanglscott, galoisinc, mccleeary, sauclovian_g
llvm-tf100.08Bindings to the LLVM compiler toolkit using type families. (bsd3, code-generation, compilers-interpreters, library)2023-10-0816.0HenningThielemann
llvm-tools30.01Useful tools built on llvm-analysis (bsd3, development, library, program)2013-11-120.2.0.1TristanRavitch
lmdb70.04Lightning MDB bindings (bsd2, database, library)2015-01-230.2.5dmbarbour
lmdb-high-level40.01Higher level API for working with LMDB (bsd3, library, web)2016-10-050.1andrewthad
lmdb-simple32.01Simple API for LMDB (bsd3, database, library)2018-03-240.4.0.0RobLeslie
lmonad20.01LMonad is an Information Flow Control (IFC) framework for Haskell applications. (library, mit, security)2016-01-080.1.0.0jp_rider
lmonad-yesod20.01LMonad for Yesod integrates LMonad's IFC with Yesod web applications. (library, mit, security, web, yesod)2016-04-191.0.0.0jp_rider
lnd-client20.01Lightning Network Daemon (LND) client library for Haskell (bitcoin, bsd3, finance, library, lightning, network, payments, program)2022-07-220.1.0.1coingaming
lnurl10.01Support for developing against the LNURL protocol (bsd3, library, unclassified)2021-08-070.1.0.0IanShipman
lnurl-authenticator30.00A command line tool to manage LNURL auth identities (bsd3, library, program, unclassified)2021-08-070.1.0.0IanShipman
load-balancing20.01Client-side load balancing utilities. (apache, library, unclassified)2018-01-281.0.1.1rickowens
load-env140.03Load environment variables from a file. (bsd3, configuration, library)2019-06-120.2.1.0PatrickBrisbin
load-font10.01A cross platform library for loading bundled fonts into your application (bsd3, font, graphics, gui, library, ui, user-interfaces)2020-02-210.1.0.3deech
loadavg50.01Load average parsing from /proc/loadavg and bindings to getloadavg (3) (bsd3, library, system)2010-11-130.1KrzysztofSkrzetnicki
loc72.01Line and column positions and ranges in text files (apache, data-structures, library, text)2023-06-260.2.0.0chris_martin, Monoid_Mary
loc-test50.01Hedgehog generators for loc (apache, library, testing)2023-01-100.1.3.13chris_martin, Monoid_Mary
local-address10.01Functions to get local interface address (bsd3, library, network)2011-06-290.0.1KeiHibino
local-search30.01Generalised local search within Haskell, for applications in combinatorial optimisation. (control, library, local-search, optimisation)2013-07-180.0.7RichardSenington
localization50.01Library for localization (l10n) (data-structures, gpl, library)2018-02-271.0.1.20180226julm
localize20.02GNU Gettext-based messages localization library (bsd3, library, text)2022-02-010.2.0.1IlyaPortnov
located10.01Source location helpers (bsd3, language, library)2016-07-190.1.1.0TrevorElliott
located-base90.02Location-aware variants of partial functions (bsd3, development, library)2017-07-200.1.1.1EricSeidel
located-monad-logger (deprecated in favor of monad-logger)20.01Location-aware logging without Template Haskell (bsd3, deprecated, library, logging)2017-06-080.1.1.0pavelkogan
locators90.05Human exchangable identifiers and locators (library, mit, other)2024-07-080.3.0.5AndrewCowie
loch10.01Support for precise error locations in source files (bsd3, development, library, program)2007-01-250.2DonaldStewart
loch-th80.020Support for precise error locations in source files (Template Haskell version) (bsd3, development, library)2018-04-080.2.2TomasJanousek
lock-file90.01Provide exclusive access to a resource using lock file. (bsd3, library, system)2018-04-150.7.0.0PeterTrsko
locked-poll10.00Very simple poll lock (bsd3, library, program, unclassified)2015-12-170.1.0scottmurphy09
lockfree-queue260.03Michael and Scott lock-free queues. (bsd3, concurrent, data, library)2022-08-260.2.4RyanNewton, ryanglscott, peter_fogg
lockpool20.01set a maximum on the number of concurrent actions (bsd3, concurrency, library)2018-03-210.1.0.0chessai
log (deprecated in favor of log-base, log-postgres, log-elasticsearch)62.03Structured logging solution with multiple backends (bsd3, deprecated, library, system)2017-06-200.9.0.1GracjanPolak, MikhailGlushenkov, phadej, arybczak, jonathanjouty_scrive, trin_cz
log-base262.07Structured logging solution (base package) (bsd3, library, system)2023-03-140.12.0.1GracjanPolak, MikhailGlushenkov, phadej, arybczak, trin_cz, jonathanjouty, jsynacek
log-domain522.023Log-domain arithmetic (bsd3, library, numeric)2021-11-160.13.2EdwardKmett, EricMertens, ryanglscott
log-effect40.02An extensible log effect using extensible-effects (control, effect, library, logging, mit, program)2019-03-021.2.0ibotty, sickmind
log-effect-syslog40.01Syslog functions for log-effect (bsd3, control, effect, library, logging, syslog)2019-03-020.2.0sickmind
log-effectful110.00Adaptation of the log library for the effectful ecosystem. (bsd3, library, system)2024-11-071.0.1.0arybczak
log-elasticsearch170.01Structured logging solution (Elasticsearch back end) (bsd3, library, system)2023-01-310.13.0.1GracjanPolak, MikhailGlushenkov, phadej, arybczak, jonathanjouty_scrive, trin_cz, jsynacek
log-postgres (deprecated)60.01Structured logging solution (PostgreSQL back end) (bsd3, deprecated, library, system)2023-03-140.9.0.1GracjanPolak, MikhailGlushenkov, phadej, arybczak, jonathanjouty_scrive, trin_cz, jsynacek
log-warper110.04Flexible, configurable, monadic and pretty logging (library, logging, mit, program)2020-03-041.9.0gromak, volhovm, serokell
log2json20.01Turn log file records into JSON. (json, library, logging, program, text, tools, utils)2012-11-020.1HaroldLee
log4hs50.00A python logging style log library (bsd3, library, log, logging)2020-02-040.9.0.0gqk007
logentries10.01Request logger middleware for Logentries (bsd3, library, web)2016-07-120.1.0.1toddmohney
logfloat410.013Log-domain floating point numbers (bsd3, data, library, math, natural-language-processing, statistics)2023-03-190.14.0WrenThornton, WrenRomano
logfmt60.00Formatting (bsd3, library, system, text)2021-06-080.0.1cmk
logger12.01Fast & extensible logging framework (apache, library, system)2015-11-230.1.0.2danilo2, iamrecursion
logger-thread40.00Run FastLogger in a thread and direct all queued messages to it. (bsd3, library, program, text)2016-12-240.1.0.2joe9
logging142.07Simplified logging in IO for application writers. (library, mit, system)2025-03-223.0.6JohnWiegley, aupiff
logging-effect652.2518A mtl-style monad transformer for general purpose & compositional logging (bsd3, library, unclassified)2023-03-261.4.0OliverCharles
logging-effect-colors20.00Log messages in color (bsd3, library, system)2023-05-180.1.0.0abrar
logging-effect-extra (deprecated)100.00Supplemental packages for `logging-effect`. (deprecated, library, mit, other, program)2018-08-052.0.0jship
logging-effect-extra-file (deprecated)130.01TH splices to augment log messages with file info (deprecated, library, mit, other, program)2018-08-062.0.1jship
logging-effect-extra-handler (deprecated)180.01Handy logging handler combinators (deprecated, library, mit, other, program)2018-08-062.0.1jship
logging-effect-syslog30.00Log messages to a posix system log via logging-effect (bsd3, library, system)2023-05-180.1.0.0abrar
logging-facade300.06Simple logging abstraction that allows multiple back-ends (library, mit, system)2021-11-170.3.1SimonHengel, SoenkeHahn
logging-facade-journald40.01Journald back-end for logging-facade (library, mit, system)2014-11-240.0.0SoenkeHahn
logging-facade-syslog70.01A logging back-end to syslog(3) for the logging-facade library (bsd3, library, system)2017-05-151PeterSimons
logic-TPTP80.01Import, export etc. for TPTP, a syntax for first-order logic (codec, library, math, theorem-provers)2024-11-090.6.0.0DanielSchuessler, KiYungAhn, MasahiroSakai
logic-classes50.01Framework for propositional and first order logic, theorem proving (bsd3, library, logic, theorem-provers)2016-09-181.7.1DavidFox
logical-constraints30.02Simple logical constraints 'syntax-sugar' writing library. (data, library, mit)2023-01-120.1.3.0OleksandrZhabenko
logicst20.01Backtracking mutable references in the ST and IO monads (bsd3, control, library)2013-04-170.1.0.0AndySonnenburg
logict1032.041A backtracking logic-programming monad. (bsd3, control, library)2024-11-130.8.2.0DanDoel, Bodigrim
logict-sequence52.00A backtracking logic-programming monad with asymptotic improvements to msplit (control, library, mit)2022-12-060.2.0.2JasonDagit, dfeuer
logict-state30.02Library for logic programming based on haskell package logict (bsd3, development, library)2022-09-160.1.1.0AtzeDijkstra
loglevel80.01Log Level Datatype (library, mit, system)2018-08-300.1.0.0larsk
logplex-parse20.01Parse Heroku application/logplex documents (library, mit, text)2015-12-130.1.0.2keith_duncan
logsink40.01A logging framework for Haskell (library, mit, system)2017-05-300.2.0SimonHengel, jkarni
logstash70.02Logstash client library for Haskell (library, mit, network)2023-06-250.1.0.4mbg
lojban10.01Useful utilities for the Lojban language (bsd3, language, library, program)2008-12-180.3
lojbanParser130.01lojban parser (bsd3, language, library, program)2014-08-160.1.9.2YoshikuniJujo
lojbanXiragan30.01lojban to xiragan (bsd3, language, library, program)2013-03-070.3YoshikuniJujo
lol32.06A library for lattice cryptography. (crypto, gpl, library)2020-02-190.7.0.0crockeea, crossroads1112
lol-apps40.00Lattice-based cryptographic applications using <https://hackage.haskell.org/package/lol lol>. (crypto, gpl, library)2020-02-190.3.0.0crockeea, crossroads1112
lol-benches20.01A library for benchmarking <https://hackage.haskell.org/package/lol lol>. (crypto, gpl, library)2017-02-260.0.0.5crockeea, crossroads1112
lol-cpp20.01A fast C++ backend for <https://hackage.haskell.org/package/lol lol>. (crypto, gpl, library)2020-02-190.2.0.0crockeea, crossroads1112
lol-repa20.01A repa backend for <https://hackage.haskell.org/package/lol lol>. (crypto, gpl, library)2017-02-240.0.0.2crockeea, crossroads1112
lol-tests20.01A library for testing <https://hackage.haskell.org/package/lol Λ ∘ λ>. (crypto, gpl, library)2017-02-190.0.0.1crockeea, crossroads1112
lol-typing10.01Type inferencer for LOL (λω language) (gpl, language, library)2016-08-231.20160822julm
loli (deprecated in favor of miku)30.02A minimum web dev DSL in Haskell (bsd3, deprecated, library, web)2011-06-242011.6.24JinjingWang
longboi10.01Dependently-typed linked list implementation (data, library, mit)2018-01-161.0.0chessai
longshot21.50Fast Brute-force search using parallelism (algorithm, cryptography, library, mit, parallelism, program, search)2021-12-130.1.0.6thyeem
looksee30.02A simple text parser with decent errors (bsd3, library, parsing)2024-12-180.8.0ejconlon
looksee-trip30.00A simple text parser with decent errors (bsd3, library, parsing)2024-12-180.8.0ejconlon
lookup-tables10.01Statically generate lookup tables using Template Haskell. (data, library)2015-08-310.1.1.1JakeMcArthur
loop190.04Fast loops (for when GHC can't optimize forM_) (control, library, mit)2015-09-030.3.0NiklasHambuechen
loop-dsl21.50monadic loop dsl. (control, library, mit)2021-11-150.1.0.0ailrk
loop-effin10.01control-monad-loop port for effin (bsd3, control, library)2014-10-070.1.1.0HiromiIshii
loop-while20.02A monad transformer supporting various styles of while loop (bsd3, control, library)2010-01-111.0.0NeilBrown
loopbreaker20.01inline self-recursive definitions (bsd3, library, plugin)2019-10-040.1.1.1TheMatten
looper20.00 (library, mit, unclassified)2024-11-140.3.0.2Norfair
loops30.01Fast imperative-style loops (bsd3, control, library)2014-06-130.2.0.2ThomasTuegel
lord130.01A command line interface to online radios. (library, music, program, public-domain, web)2015-01-222.20150122rnons
lorem10.00Library for generating filler text (bsd3, library, program, text)2015-04-220.0.0.0StefanFischer
lorentz130.04EDSL for the Michelson Language (language, library, mit)2023-07-310.16.0gromak, pasqu4le, serokell
loris20.01interface to Loris API (gpl, library, music, sound)2012-12-190.3.1JohnLato
louis30.00Turning images into text using Braille font (graphics, library, mit)2019-09-210.1.0.2tsoding
loup20.00Amazon Simple Workflow Service Wrapper for Work Pools. (aws, cloud, distributed-computing, library, mit, network, program)2017-11-040.0.16markfine
lowgl40.01Basic gl wrapper and reference (bsd2, graphics, library)2016-11-070.4.0.1evanrinehart
lowlin40.00Low dimensional linear algebra (bsd3, library, linear-algebra, math)2020-05-060.2.0.1jodak
lp-diagrams30.02An EDSL for diagrams based based on linear constraints (agpl, graphics, library)2020-10-202.1.4JeanPhilippeBernardy
lp-diagrams-svg20.01SVG Backend for lp-diagrams (graphics, library)2016-03-121.1JeanPhilippeBernardy
lpeg660.02LPeg – Parsing Expression Grammars For Lua (foreign, library, mit)2023-09-271.1.0tarleb
lrucache262.014a simple, pure LRU cache (bsd3, data, library)2018-11-291.2.0.1CarlHowells
lrucaching131.754LRU cache (bsd3, library, unknown)2024-01-100.3.4cocreature
lrucaching-haxl50.00Combine lrucaching and haxl. (bsd3, concurrency, data, library, lrucache)2020-09-020.1.0.0Lupino
lsh10.00A simple ls clone with modern, colored formatting (binary, bsd3, library, program)2023-08-020.1.0.0floataqq
lsp1000.038Haskell library for the Microsoft Language Server Protocol (development, library, mit)2024-12-312.7.0.1AlanZimmerman, PepeIborra, wz1000, luke_, jneira, michaelpj
lsp-client30.00Haskell library for Language Server Protocol clients (apache, library, system)2024-08-090.4.0.0ners
lsp-test1412.04Functional test framework for LSP servers. (bsd3, library, testing)2024-12-310.17.1.1AlanZimmerman, PepeIborra, wz1000, luke_, jneira, michaelpj
lsp-types1050.024Haskell library for the Microsoft Language Server Protocol, data types (development, library, mit, program)2024-12-312.3.0.1AlanZimmerman, AndreasAbel, PepeIborra, wz1000, luke_, jneira, michaelpj
lsql-csv30.00A tool for CSV files data querying from the shell with short queries. (gpl, library, program, text)2024-05-080.1.0.6stastnypremysl
lss (deprecated)20.02Lexical Style Sheets - a language for writing styles that is focused around lexical (ie, static) scoping and re-use of large components. (bsd3, deprecated, language, library)2014-09-040.1.0.0DanielPatterson
ltext30.01Parameterized file evaluator (bsd3, library, program, text)2024-01-050.1.5athanclark
lti1370.01Core functionality for LTI 1.3 (lgpl, library, web)2022-11-240.3.0.0jade
ltiv1p130.01Partial implementation of a service provider for LTI 1.1. (library, mit, network, web)2016-08-241.0.0.3achirkin
ltk32.03Leksah tool kit (gui, library)2017-11-040.16.2.0HamishMackenzie, JuergenNicklischFranken
ltl40.01Using linear temporal logic (LTL) to verify embedded software and hardware. (bsd3, language, library)2010-04-190.0.0TomHawkins
lua722.06Lua, an embeddable scripting language (foreign, library, mit)2024-08-312.3.3tarleb
lua-arbitrary250.01Arbitrary instances for Lua types. (foreign, library, mit)2023-03-131.0.1.1tarleb
lua-bc40.01Lua bytecode parser (language, library, mit)2016-12-070.1.1EricMertens, galoisinc
lua-bytecode30.01Library for loading Lua bytecode. (bsd3, library, lua)2013-06-190.1.0.0JeffShaw
luachunk22.01Library functions for reading and writing Lua chunks (gpl, library, scripting)2012-10-050.1.0.0AnupamJain
luautils20.02Helpers for Haskell integration with Lua (library, mit, scripting)2015-06-250.1.4AnupamJain
lub60.03information operators: least upper bound (lub) and greatest lower bound (glb) (bsd3, concurrency, data, library, other)2021-08-310.1.8ConalElliott
lucid892.582Clear to write, read and edit DSL for HTML (bsd3, library, web)2025-03-032.11.20250303ChrisDone
lucid-alpine20.00Use Alpine.js in your lucid templates (bsd3, html, library, program, web)2022-01-300.1.0.7rashad1030
lucid-aria30.00Provides ARIA attributes for Lucid templates (apache, library, web)2022-04-170.1.0.1RobertHelgesson
lucid-cdn80.01Curated list of CDN imports for lucid. (library, mit, web)2020-10-160.2.2.0locallycompact
lucid-colonnade10.01Helper functions for using lucid with colonnade (bsd3, library, web)2024-03-061.0.2andrewthad, l3c_amartin
lucid-extras62.01Generate more HTML with Lucid - Bootstrap, Rdash, Vega-Lite, Leaflet JS, Email. (graphics, library, mit, web)2019-02-190.2.2glutamate, ocramz
lucid-foundation50.02Basic Zurb Foundation API in Lucid (bsd3, library, unclassified)2015-02-170.0.2.1athanclark
lucid-htmx82.00Use htmx in your lucid templates (bsd3, html, library, web)2023-09-070.1.0.7rashad1030
lucid-hyperscript60.00Use _hyperscript with lucid (bsd3, library, program, web)2022-01-300.1.0.2rashad1030
lucid-svg100.07DSL for SVG using lucid for HTML (bsd3, graphics, library)2024-06-130.7.2.0OliverCharles, jeffreyrosenbluth
lucid-xstatic20.00Lucid helper for XStatic (bsd3, javascript, library)2023-02-170.1.1TristanCacqueray
lucid2470.05Clear to write, read and edit DSL for HTML (bsd3, library, web)2025-03-030.0.20250303ChrisDone
lucid2-htmx30.00Use htmx in your lucid templates (bsd3, html, library, web)2022-09-210.1.0.8rashad1030
lucid2-xstatic20.00Lucid2 helper for XStatic (bsd3, javascript, library)2023-02-170.1.0TristanCacqueray
luhn30.01An implementation of Luhn's check digit algorithm. (bsd3, data, library)2009-12-200.2HenryBucklow
lui20.01Purely FunctionaL User Interface (bsd3, graphics, library)2009-08-310.0.6EyalLotem
luis-client10.01An unofficial client for the LUIS NLP service. (bsd3, library, natural-language-processing, web)2016-04-010.0.2MicxjoFunkcio
luka30.01Simple ObjectiveC runtime binding (bsd3, language, library)2012-08-292012.8.29JinjingWang
lukko550.05File locking (concurrency, library, system)2024-06-050.1.2phadej
lumberjack142.01Trek through your code forest and make logs (library, logging, program)2023-07-281.0.3.0KevinQuick, ryanglscott, galoisinc
luminance100.00Type-safe, type-level and stateless graphics framework (bsd3, graphics, library)2016-09-220.11.0.4DimitriSabadie
luthor30.01Tools for lexing and utilizing lexemes that integrate with Parsec. (bsd3, language, library, text)2015-11-250.0.2ZankokuOkuno
lvar50.03TMVar that can be listened to (bsd3, concurrency, library)2021-04-260.1.0.0sridca
lvish10.01Parallel scheduler, LVar data structures, and infrastructure to build more. (bsd3, concurrency, library)2014-09-161.1.4RyanNewton, LindseyKuper, peter_fogg
lvmlib30.02The Lazy Virtual Machine (LVM). (bsd3, compilers-interpreters, library, program)2014-09-021.1JurriaanHage
lxc20.01High level Haskell bindings to LXC (Linux containers). (bsd3, library, system)2016-01-210.3.2NickolayKudasov
lxd-client30.00LXD client written in Haskell. (gpl, library, program, system)2018-02-130.1.0.6hverr
lxd-client-config40.01Read the configuration file of the standard LXD client. (gpl, library, system)2017-10-180.1.0.1hverr
lz460.02LZ4 compression for ByteStrings (bsd3, codec, library)2014-07-080.2.3.1MarkWotton
lz4-bytes80.00Bindings to LZ4 (bsd3, data, library)2025-03-260.1.2.0andrewthad, l3c_amartin
lz4-conduit10.00LZ4 compression for conduits (bsd3, codec, compression, conduit, library, program)2018-03-250.3scm
lz4-frame-conduit70.00Conduit implementing the official LZ4 frame streaming format (library, mit, program, web)2024-12-170.1.0.2NiklasHambuechen
lz4-hs52.00lz4 bindings for Haskell (bsd3, codec, compression, ffi, library)2024-07-300.1.5.3vmchale
lzip10.00Lzip compression / Lzlib bindings (codec, compression, gpl, library)2019-09-120.0.0.0HerbertValerioRiedel
lzlib72.02lzlib bindings (bsd3, codec, compression, library)2025-01-161.0.7.4vmchale
lzma392.010LZMA/XZ compression and decompression (bsd3, codec, compression, library)2024-06-150.0.1.1HerbertValerioRiedel, phadej
lzma-conduit140.06Conduit interface for lzma/xz compression. (bsd3, codec, compression, conduit, library)2022-04-061.2.3NathanHowell
lzma-enumerator20.01Enumerator interface for lzma/xz compression. (bsd3, codec, compression, enumerator, library)2012-04-180.1.3NathanHowell
lzma-streams10.01IO-Streams interface for lzma/xz compression (bsd3, codec, compression, io-streams, library)2015-08-160.1.0.0HerbertValerioRiedel
lzo22.00minilzo bundled for Haskell (bsd3, codec, compression, library)2023-01-120.1.1.5vmchale
mDNSResponder-client50.01Library for talking to the mDNSResponder daemon. (bsd3, library, network)2017-01-111.0.3shlevy
maam10.01Monadic Abstracting Abstract Machines (MAAM) built on Galois Transformers (bsd3, library, program, static-analysis)2015-10-270.3.0.0DavidDarais
mac22.01Static Mandatory Access Control in Haskell (bsd3, library, security)2016-07-050.1.3.0AlejandroRusso
macaroon-shop10.00A toolkit for working with macaroons (bsd3, library, unclassified)2024-09-280.1.0.1IanShipman
macbeth-lib20.00Macbeth - A beautiful and minimalistic FICS client (game, library, program)2016-04-050.0.12tgass
maccatcher50.03Obtain the host MAC address on *NIX and Windows. (bsd3, library, text)2011-10-232.1.5JasonDusek
machination40.00Plot charts as unicode strings. (library, mpl, plotting)2020-05-161.0.0KtorZ
machinecell30.01Arrow based stream transducers (bsd3, control, frp, library, reactivity)2018-04-174.0.1HidenoriAzuma
machines592.529Networked stream transducers (bsd3, control, enumerator, library)2025-03-030.7.4EdwardKmett, EricMertens, ryanglscott
machines-amazonka80.01Machine transducers for Amazonka calls. (gpl, library, network)2017-05-220.7.1misandrist
machines-attoparsec30.00Parse machines streams with attoparsec parsers. (bsd3, control, data, enumerator, library, parsing, text)2019-01-310davean
machines-binary60.01Binary utilities for the machines library (apache, library, system)2021-04-027.0.0.0aloiscochard
machines-bytestring20.01ByteString support for machines (bsd3, control, library, machines)2017-06-070.1.0.0zclod
machines-directory130.02Directory (system) utilities for the machines library (apache, library, system)2021-04-027.0.0.0bitemyapp, aloiscochard
machines-encoding30.00Transcode encodings with machines. (bsd3, control, data, enumerator, library, text)2019-01-310davean
machines-io70.05IO utilities for the machines library (apache, library, system)2021-04-027.0.0.0bitemyapp, aloiscochard
machines-process60.03Process (system) utilities for the machines library (apache, library, system)2021-04-047.0.0.2aloiscochard
machines-zlib30.01Decompression support for machines (bsd3, compression, library, machines)2015-03-260.1.0RobinGreen
macho10.01Parser for Mach-O object format. (bsd3, data, library)2010-03-250.22ErikCharlebois
mackerel-client50.01An API client library for Mackerel (library, mit, web)2020-07-180.3.0itchyny
maclight10.01Control screen and keyboard backlights on MACs under Linux (apple, library, mit, program)2014-06-040.1.0.0TychoAndersen
macos-corelibs30.00Haskell bindings to C-based Mac OS SDK frameworks (bsd3, library, system)2018-12-150.0.1.0fsestini
macrm10.00Alternative rm command for macOS that remove files/dirs to the system trash (bsd3, library, program)2020-11-021.0.0.5satosystems
mad-props50.00Monadic DSL for building constraint solvers using basic propagators. (bsd3, library, program, propagators)2019-11-120.2.1.0ChrisPenner
madlang100.01Randomized templating language DSL (bsd3, library, text)2019-11-094.0.2.16vmchale
magic180.05Interface to C file/magic library (bsd3, library, text)2014-10-271.1JohnGoerzen
magic-tyfams20.01Write plugins for magic type families with ease (bsd3, compiler-plugin, library)2019-08-110.1.1.0isovector
magic-wormhole110.01Interact with Magic Wormhole (crypto, library, program)2021-02-250.3.4ShaeErisson, jml, jcalderone, rkrishnan
magicbane30.01A web framework that integrates Servant, RIO, EKG, fast-logger, wai-cli… (library, public-domain, web)2020-11-120.5.1valpackett
magma10.01magma is an algebraic structure. (algebra, bsd3, data, data-structures, library, math)2023-04-190.6.1.1KatsutoshiItoh
magmas30.02Magma-like objects. (bsd3, library, math, numerical)2020-02-200.0.1cmk
mail-pool20.00Preconfigured email connection pool on top of smtp. (email, library, mit, program)2024-08-142.3.1Jappie
mail-reports40.00A parser library for DMARC and SMTP TLS reports (agpl, library, mail)2021-01-040.3.0.0implementation
mailchimp30.01Bindings for the MailChimp API (library, mit, web)2017-06-070.3.0jpvillaisaza
mailgun22.02API binding for Mailgun (bsd3, email, library, web)2019-05-060.2andrewrademacher, davean
mailtrap300.00Mailtrap API library. (email, library, mit)2025-02-270.1.2.2DanielDiaz
main-tester122.01Capture stdout/stderr/exit code, and replace stdin of your main function. (apache, library, system, testing)2019-03-190.2.0.1igrep
mainland-pretty330.017Pretty printing designed for printing source code. (bsd3, library, text)2024-07-020.7.1.1GeoffreyMainland, TroelsHenriksen
majordomo40.01Majordomo protocol for ZeroMQ (bsd3, library, network, program)2012-04-110.1.6MarkWotton
majority10.01Boyer-Moore Majority Vote Algorithm (algorithms, library, public-domain)2011-07-181.1NisWegmann
make-monofoldable-foldable30.01Make a MonoFoldable type into an ordinary Foldable type. (data, library, mit)2017-03-100.1.0.0clinton
makedo20.01Helper for writing redo scripts in Haskell (bsd3, development, library)2011-06-090.1EricKow
makefile50.01Simple Makefile parser and generator (library, mit, parsing)2017-10-231.1.0.0nmattia
mallard20.00Database migration and testing as a library. (database, library, mit, program)2017-09-240.6.1.1andrewrademacher
mameya30.00Static Website Generator in Haskell (library, mit, program, web)2018-09-160.2.1bururabit
managed380.022A monad for managed values (bsd3, control, library)2023-01-311.0.10GabrielGonzalez
managed-functions30.03Remote Management Framework (library, mit, remote-management)2022-06-081.2.2.0martinbednar
managed-functions-http-connector20.01Simple HTTP-Based Connector for Managed Functions (http, library, mit, remote-management)2022-06-061.0.0martinbednar
managed-functions-json20.01JSON Support for the Managed Functions Framework (json, library, mit, remote-management)2022-06-061.0.0martinbednar
manatee52.02The Haskell/Gtk+ Integrated Live Environment (desktop-environment, gpl, ide, library, manatee, operating-system, program)2011-05-140.2.2AndyStewart
manatee-all10.01Virtual package to install all Manatee packages. (desktop-environment, gpl, ide, library, manatee, operating-system, program)2011-05-140.2.2AndyStewart
manatee-anything100.01Multithread interactive input/search framework for Manatee (desktop-environment, gpl, ide, library, manatee, operating-system, program)2011-01-120.0.8AndyStewart
manatee-browser120.02Browser extension for Manatee. (browser, gpl, library, manatee, network, program)2011-05-140.1.1AndyStewart
manatee-core30.016The core of Manatee. (desktop-environment, gpl, ide, library, manatee, operating-system)2011-05-140.1.1AndyStewart
manatee-curl40.02Download Manager extension for Manatee. (download-manager, gpl, library, manatee, network, program)2011-05-140.1.1AndyStewart
manatee-editor20.02Editor extension for Manatee. (editor, gpl, ide, library, manatee, program)2011-05-140.1.1AndyStewart
manatee-filemanager120.02File manager extension for Manatee. (file-manager, gpl, library, manatee, program)2011-05-140.1.1AndyStewart
manatee-imageviewer130.02Image viewer extension for Manatee. (gpl, image, image-viewer, library, manatee, program)2011-05-140.1.1AndyStewart
manatee-ircclient110.02IRC client extension for Manatee. (gpl, irc, irc-client, library, manatee, program)2011-05-140.1.1AndyStewart
manatee-mplayer130.02Mplayer client extension for Manatee. (gpl, library, manatee, multimedia, multimedia-player, program)2011-05-140.1.1AndyStewart
manatee-pdfviewer120.02PDF viewer extension for Manatee. (gpl, library, manatee, pdf, pdf-viewer, program)2011-05-140.1.1AndyStewart
manatee-processmanager100.02Process manager extension for Manatee. (gpl, library, manatee, process-manager, program, system)2011-05-140.1.1AndyStewart
manatee-reader120.02Feed reader extension for Manatee. (atom, feed, gpl, library, manatee, program, rss, rss-atom-reader)2011-05-140.1.1AndyStewart
manatee-template50.01Template code to create Manatee application. (gpl, ide, library, manatee, program, template)2011-05-140.1.1AndyStewart
manatee-terminal60.02Terminal Emulator extension for Manatee. (download-manager, gpl, library, manatee, network, program)2011-05-140.1.1AndyStewart
manatee-welcome30.02Welcome module to help user play Manatee quickly. (gpl, ide, library, manatee, program, welcome)2011-05-140.1.1AndyStewart
mandrill70.02Library for interfacing with the Mandrill JSON API (library, mit, network)2025-03-110.5.8.0AlfredoDiNapoli, OliverCharles
mangopay60.02Bindings to the MangoPay API (bsd3, library, program, web)2015-12-311.12FelipeLessa, JeanPhilippeMoresmau, alanpog
mangrove50.00A parser for web documents according to the HTML5 specification. (library, mpl, web)2021-04-160.1.0.0ageitilt
manifold-random30.01Sampling random points on general manifolds. (gpl, library, math)2023-07-040.6.1.0leftaroundabout
manifolds40.04Coordinate-free hypersurfaces (gpl, library, math)2023-07-040.6.1.0leftaroundabout
manifolds-core40.05The basic classes for the manifolds hierarchy. (gpl, library, math)2023-05-180.6.1.0leftaroundabout
map-classes30.01A set of classes and instances for working with key/value mappings. (bsd3, control, library)2018-03-310.1.0.0clinton
map-exts22.01Extensions to Data.Map (bsd3, data-structures, library, program)2018-01-100.2.0.0coopercm
map-reduce-folds130.01foldl wrappers for map-reduce (bsd3, control, library)2023-05-020.1.2adamCS
map-syntax152.015Syntax sugar for defining maps (bsd3, data-structures, library)2018-04-030.3DougBeardsley
mapalgebra30.01Efficient, polymorphic Map Algebra. (bsd3, geography, library)2020-02-020.2.1fosskers
mappings60.00Types which represent functions k -> v (bsd3, data-structures, library, program)2024-05-200.3.1.0jcranch
mappy30.00A functional programming language focused around maps. (bsd3, compilers-interpreters, library, program)2016-02-180.1.3.1mjgpy3
mapquest-api50.01Bindings to the MapQuest API (bsd3, library, web)2018-02-170.3.1ocramz
maquinitas-tidal180.00library for MIDI control of hardware (library, mit, sound)2022-11-230.2.17montoyamoraga
marching-cubes20.00Marching Cubes (bsd3, computational-geometry, library)2023-02-200.1.0.0stla
marching-cubes220.00Marching Cubes (bsd3, computational-geometry, library)2023-02-230.1.0.0stla
marihana30.00Minimal tool to make your blog in Haskell (library, mit, program, web)2018-04-280.2.2.0suzukeno
markdown (deprecated in favor of cmark, cmark-gfm)160.012Convert Markdown to HTML, with XSS protection (bsd3, deprecated, library, web)2021-09-290.1.17.5MichaelSnoyman
markdown-kate (deprecated in favor of markdown)20.01Convert Markdown to HTML, with XSS protection (bsd3, deprecated, library, web)2013-05-290.1.2.1JoelTaylor
markdown-pap30.01markdown parser with papillon (bsd3, library, text)2014-02-120.0.1.10YoshikuniJujo
markdown-unlit310.04Literate Haskell support for Markdown (development, library, mit, program)2023-07-100.6.0SimonHengel
marked-pretty20.02Pretty-printing library, with scoping, based on pretty. (bsd3, library, text)2015-05-191.1.2.1AndyGill, ryanglscott
markov50.01Simple interpreter for Markov's normal algorithms (bsd3, data, library)2010-06-140.1IlyaPortnov
markov-chain50.06Markov Chains for generating random sequences with a user definable behaviour. (algorithms, library)2016-07-140.0.3.4HenningThielemann
markov-chain-usage-model80.01Computations for Markov chain usage models (bsd2, library, testing)2019-05-140.0.0stevana
markov-processes20.01Hidden Markov processes. (ai, library, mit)2014-05-160.0.2vi
markov-realization90.00Realizations of Markov chains. (bsd3, library, statistics)2020-03-130.4alexloomis
markup60.01Abstraction for HTML-embedded content (bsd3, data, library, web)2018-04-114.2.0athanclark
markup-parse60.03A markup parser. (bsd3, library, project)2024-10-120.1.1.1tonyday567
marmalade-upload50.01Upload packages to Marmalade (development, library, mit, program)2014-10-260.10lunaryorn
marquise20.02Client library for Vaultaire (bsd3, library, other, program)2015-03-234.0.0fractalcat
mars10.01Generates mountainous terrain using a random walk algorithm. (gpl, graphics, library)2016-08-240.2.1.0infrared
marshal-contt40.00A ContT-based wrapper for Haskell-to-C marshalling functions. (foreign, library, mpl)2019-09-150.2.0.0typedrat
marvin40.00A framework for modular, portable chat bots. (bsd3, development, library, program)2017-09-240.2.5justus
marvin-interpolate90.01Compile time string interpolation a la Scala and CoffeeScript (bsd3, library, text)2017-05-101.1.2justus
marxup30.01Markup language preprocessor for Haskell (gpl, library, program, text)2019-11-193.1.2.0JeanPhilippeBernardy
mason52.02Fast and extensible bytestring builder (bsd3, data, library)2023-01-020.2.6FumiakiKinoshita
massiv222.515Massiv (Массив) is an Array Library. (array, bsd3, data, data-structures, library, parallelism)2025-01-121.0.4.1lehins
massiv-io142.01Import/export of Image files into massiv Arrays (bsd3, data, data-structures, library)2021-10-231.0.0.1lehins
massiv-persist30.00Compatibility of 'massiv' with 'persist' (array, bsd3, data-structures, library, serialization)2022-07-051.0.0.3lehins
massiv-scheduler (deprecated in favor of scheduler)72.00Work stealing scheduler for Massiv (Массив) and other parallel applications. (bsd3, concurrency, deprecated, library, parallelism)2019-03-270.1.1.0lehins
massiv-serialise132.00Compatibility of 'massiv' with 'serialise' (array, bsd3, data-structures, library, serialization)2021-11-251.0.0.2lehins
massiv-test160.00Library that contains generators, properties and tests for Massiv Array Library. (bsd3, data, data-structures, library, parallelism)2025-01-121.1.0.1lehins
master-plan30.00The project management tool for hackers (library, mit, program, tools)2017-08-180.3.1rodrigosetti
matcha10.00A micro web framework based on pattern matching (bsd3, http, library, program, web)2024-06-050.0.0.1rashad1030
matchable170.02A type class for Matchable Functors. (bsd3, functors, library)2024-12-210.2viercc
matchable-th70.00Generates Matchable instances using TemplateHaskell (bsd3, functors, library)2024-12-210.2.1viercc
matcher50.04A composable abstraction for checking or converting a context value (library, mit, unclassified)2016-04-040.1.1.3NikitaVolkov
matchers50.03Text matchers (bsd3, console, library)2015-01-120.24.0.0OmariNorman
math-extras60.00A variety of mathematical utilities (bsd3, library, math, numeric)2020-03-030.1.1.0zliu41
math-functions1132.2541Collection of tools for numeric computations (bsd2, library, math, numeric)2024-03-300.3.4.4AlexeyKhudyakov, BryanOSullivan
math-grads22.00Library containing graph data structures and graph algorithms (bsd3, graph, library, math)2020-04-020.1.6.7AlexKane
math-interpolate20.00Class for interpolation of values (bsd3, data, library)2019-05-040.1.0.1ThomasEding
math-metric10.00Typeclass for metric spaces (bsd3, data, library)2019-05-040.1.0.1ThomasEding
math-programming50.02A library for formulating and solving math programs. (bsd3, library, math)2023-01-280.5.1prsteele
math-programming-glpk60.00A GLPK backend to the math-programming library. (bsd3, library, math)2023-01-280.5.1prsteele
math-programming-tests80.00Utility functions for testing implementations of the math-programming library. (bsd3, library, math)2023-01-280.5.1prsteele
mathexpr70.01Parse and evaluate math expressions with variables and functions (gpl, library, math)2022-07-140.3.1.0mdibaiee
mathflow20.01Dependently typed tensorflow modeler (bsd3, library, math)2017-08-080.1.0.0junjihashimoto
mathista (deprecated)30.01A small programming language for numerical computing (deprecated, language, library, program, public-domain)2015-10-110.0.1seiya
mathlink20.01Write Mathematica packages in Haskell (bsd3, foreign, library)2009-11-112.0.1.1TracyWadleigh, jfennick
mathlist50.00Math using lists, including FFT and Wavelet (bsd3, education, library, math, numerics)2023-05-220.2.0.0djsamperi
matlab20.01Matlab bindings and interface (bsd3, foreign, library, math, program)2020-07-280.3.0.0DylanSimon, bmsherman, bebarker
matplotlib302.51Bindings to Matplotlib; a Python plotting library (bsd3, graphics, library)2021-11-080.7.7AndreiBarbu
matrices170.010native matrix based on vector (bsd3, data, library)2018-12-210.5.0kaizhang
matrix532.2545A native implementation of matrix operations. (library, math, mit)2025-02-270.3.6.4DanielDiaz
matrix-as-xyz60.03Read and Display Jones-Faithful notation for spacegroup and planegroup (bsd3, chemistry, library)2020-08-090.1.2.2narumij
matrix-client40.00A matrix client library (apache, library, network)2025-02-120.1.6.1TristanCacqueray
matrix-lens30.00Optics for the "matrix" package (bsd3, library, math)2020-07-070.1.0.0lgastako
matrix-market20.01Read and write NIST Matrix Market files (bsd3, library, math, system)2008-04-041.2PatrickPerry
matrix-market-attoparsec182.03Parsing and serialization functions for the NIST Matrix Market format (bsd2, library, parsers)2020-01-190.1.1.3ocramz
matrix-market-pure70.01Pure and composable reader and writer of the Matrix Market format. (bsd3, library, math)2011-02-210.2SergeyAstanin
matrix-sized20.00Haskell matrix library with interface to C++ linear algebra libraries. (bsd3, library, math)2020-06-220.1.1kaizhang
matrix-static82.01Type-safe matrix operations (bsd3, library, math)2020-02-180.3wchresta
matroid32.00matroid (combinatorial pre-geometries) library (bsd3, combinatorics, library, mathematics, optimization)2021-02-280.0.0.1.1alb
matterhorn520.01Terminal client for the Mattermost chat system (bsd3, chat, library, program)2025-03-1090000.1.0JonathanDaugherty, KevinQuick
mattermost-api490.02Client API for Mattermost chat system (bsd3, library, web)2024-02-0390000.0.0JonathanDaugherty, KevinQuick
mattermost-api-qc420.01QuickCheck instances for the Mattermost client API library (library, testing)2024-02-0390000.0.0JonathanDaugherty, KevinQuick
maude50.01An interface to the Maude rewriting system. (language, library, mit)2012-07-090.6.1DavidLazar
maxent40.01Compute Maximum Entropy Distributions (bsd3, library, math)2014-10-090.7JonathanFischoff, pash
maxent-learner-hw20.00Hayes and Wilson's maxent learning algorithm for phonotactic grammars. (library, linguistics, program)2017-05-120.2.1gtsteel
maximal-cliques72.02Enumerate all maximal cliques of a graph. (algorithms, bsd3, library)2015-03-220.1.1GershomBazerman
maybe-justify50.01Simple higher order function for Maybe (data, library, public-domain)2015-06-240.1.0.0taksuyu
maybench20.01Automated benchmarking tool (bsd3, development, library, program)2008-09-060.2.4.1EricKow
mbox62.02Read and write standard mailbox files. (bsd3, data, library, system, text)2017-08-160.3.4GershomBazerman
mbtiles20.01Haskell MBTiles client. (bsd3, database, library)2017-09-020.6.0.0jmc41493
mbug20.00download bugs mailboxes (debian, gpl, library, program)2019-01-091.3.2DmitryBogatov
mcaeson40.00An Aeson parsing toolkit (bsd3, json, library, program, web)2021-04-120.0.0.1ChrisDornan
mcl20.02Bindings to mcl, a generic and fast pairing-based cryptography library (bsd3, crypto, library, math)2017-05-091.0.1arybczak
mcmc100.00Sample from a posterior using Markov chain Monte Carlo (gpl, library, math, statistics)2024-10-070.8.3.1dschrempf
mcmc-samplers42.01Combinators for MCMC sampling (bsd3, library, machine-learning, math, numeric, statistics)2014-11-100.1.1.1pravnar, z
mcmc-synthesis20.02MCMC applied to probabilistic program synthesis (gpl, language, library)2014-04-130.1.2.2TikhonJelvis
mcmc-types71.755Common types for sampling. (library, math, mit, numeric)2016-12-041.0.3JaredTobin
mcpi30.01Connect to MineCraft running on a Raspberry PI. (library, minecraft, network, public-domain, raspberrypi)2014-02-050.0.1.2DouglasBurke
md540.00MD5 Hash (bsd3, data, library)2024-02-020.1.0.3andrewthad, l3c_amartin
mdapi20.01Haskell interface to Fedora's mdapi (bsd2, fedora, library)2015-11-281RickyElrod
mdcat20.01Markdown viewer in your terminal (library, mit, program, text)2015-03-170.1.0.4bobfang1992
mdp30.00Tools for solving Markov Decision Processes. (algorithms, library, math, mit, program)2016-11-290.1.1.0prsteele
mealstrom22.01Manipulate FSMs and store them in PostgreSQL. (control, database, library, mit)2021-01-150.0.1.1amx
mealy80.03Mealy machines for processing time-series and ordered data. (algorithm, bsd3, library)2024-10-120.5.0.0tonyday567
means30.01calculate varieties of mean/average using semigroup. (data, library, mit)2016-06-130.1.0.0winterland
mecab30.02A Haskell binding to MeCab (bsd3, library, natural-language-processing)2013-08-200.4.0HideyukiTanaka
mech11.251mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)2016-08-110.0.0.0CarterSchonwald
mecha30.01A constructive solid geometry (CSG) modeling language. (bsd3, language, library, program)2011-06-110.1.1TomHawkins
mechs21.251mecha are the most complex composite machines known to humanity, lets build them well! (bsd2, concurrency, control, data, library, network, system)2016-08-110.0.0.0CarterSchonwald
med-module70.01Parse song module files from Amiga MED and OctaMED (gpl, library, sound)2023-06-040.1.3HenningThielemann
medea50.00A schema language for JSON. (data, library, mit)2020-08-051.2.0koz_ross
mediabus20.02Multimedia streaming on top of Conduit (bsd3, library, media)2017-07-040.4.0.1SvenHeyll
mediabus-fdk-aac20.01Mediabus plugin for the Frauenhofer ISO-14496-3 AAC FDK (bsd3, library, sound)2017-04-240.4.0.0SvenHeyll
mediabus-rtp10.00Receive and Send RTP Packets (audio, bsd3, library, program)2017-07-040.4.0.1SvenHeyll
median-stream80.01Constant-time queries for the median of a stream of numeric data. (bsd3, data, library)2016-11-240.7.0.0jmc41493
mediawiki40.01Interfacing with the MediaWiki API (bsd3, library, program, web)2013-11-200.2.6SigbjornFinne
medium-sdk-haskell10.01Haskell SDK for communicating with the Medium API (gpl, library, web)2015-11-160.1.0.0timmy_tofu
meep50.01A silly container (bsd2, data, library)2018-08-040.1.2.2DmitryMalikov, MatveyAksenov
megalisp10.00lisp parser using mega-parsec (bsd3, library, parser)2020-06-140.0.1KristofBastiaensen
megaparsec2392.75284Monadic parser combinators (bsd2, library, parsing)2024-11-199.7.0HerbertValerioRiedel, TikhonJelvis, mrkkrp
megaparsec-tests160.00Test utilities and the test suite of Megaparsec (bsd2, library, parsing)2024-11-199.7.0mrkkrp
megastore20.00Bulk image or strict bytestring storage (bsd3, data, data-structures, image, library, program)2023-02-270.1.1.1MilesLitteral
meldable-heap30.01Asymptotically optimal, Coq-verified meldable heaps, AKA priority queues (bsd3, data-structures, library)2010-05-232.0.3JimApple
melf60.01An Elf parser (bsd3, data, library, program)2024-04-141.3.1amakarov
mello30.00No-fuss syntax with s-expressions (bsd3, library, parsing)2024-12-180.3.0ejconlon
mellon-core40.02Control physical access devices (bsd3, library, system)2018-04-030.8.0.7dhess
mellon-gpio40.00GPIO support for mellon (bsd3, library, system)2018-04-030.8.0.7dhess
mellon-web20.00A REST web service for Mellon controllers (bsd3, library, web)2018-04-030.8.0.7dhess
melody20.01A functional scripting language (language, library, mit, program)2014-01-100.2jozefg
mem-info390.00Print the core memory usage of programs (bsd3, command-line-tools, library, program, system)2025-03-030.4.1.0adetokunbo
membership62.07Indices for type level lists (bsd3, library, type)2021-02-200.0.1FumiakiKinoshita
membrain62.250Type-safe memory units (library, memory, mpl, safe)2020-05-110.0.0.2vrom911
memcache90.05A memcached client library. (bsd3, database, library)2024-03-270.3.0.2DavidTerei
memcache-conduit20.01Conduit library for memcache procotol (library, mit, network)2015-04-270.0.3junjihashimoto
memcache-haskell30.02Memcache procotol library (library, mit, network)2015-04-270.0.10.1ikehara, junjihashimoto, yjkmy
memcached30.01haskell bindings for memcached (library, network)2010-11-240.2.1AlsonKemp, OlegKatsitadze
memcached-binary50.03memcached client using binary protocol. (database, library, mit)2014-09-110.2.0HirotomoMoriwaki
memdb20.00Efficient in memory indexed database (database, library, mit)2019-07-221.0.0.3pkamenarsky
memexml50.01Library for reading Meme XML output (bioinformatics, bsd3, library)2015-09-110.0.3FlorianEggenhofer
memfd12.00Open temporary anonymous Linux file handles (apache, filesystem, library, linux)2023-03-241.0.1.3chris_martin, Monoid_Mary
meminfo30.01Library for reading `/proc/meminfo` (bsd3, library, system)2017-03-160.2.0.0lukec
memo-map30.00Memoization in a Map (library, memoization, mit)2025-03-260.0.0.0PatrickBrisbin
memo-ptr10.01Pointer equality memoization (control, library, mit)2015-05-310.1.0.0edofic
memo-sqlite50.01memoize functions using SQLite3 database (bsd3, database, library)2018-03-140.2ClaudeHeilandAllen
memoization-utils20.01Utilities for memoizing functions (control, library, mit)2015-11-060.1.0.1yamadapc
memoize130.010A memoization library (bsd3, data, library)2022-09-161.1.2JesseTov
memorable-bits10.00Generate human memorable strings from binary data. (bsd2, data, library)2019-03-110.1.0.1lukec
memory1240.0253memory and related abstraction stuff (bsd3, library, memory)2022-09-050.18.0VincentHanquez, nicolasdp
memory-hexstring70.05Hex-string type for Haskell Web3 library. (apache, library, network)2024-10-031.0.1.0akru
memory-pool110.00Short description (apache, library, memory)2024-12-090.1.0.0lehins, IOHK
memorypool20.01basic memory pool outside of haskell heap/GC (bsd3, library, system)2016-08-260.1.0.0lspitzner
mempack240.00Short description (algorithms, bsd3, library)2025-01-090.1.1.0lehins
memzero20.00Securely erase memory contents by writing zeros to it. (apache, cryptography, library)2023-03-040.1RenzoCarbonara
menoh50.00Haskell binding for Menoh DNN inference library (deep-learning, library, machine-learning, mit)2018-11-080.3.0MasahiroSakai
menshen (deprecated)30.04Data Validation (bsd3, deprecated, library, web)2019-04-010.0.3leptonyu
mercury-api40.00Haskell binding to Mercury API for ThingMagic RFID readers (hardware, library, mit, program)2019-01-090.1.0.2ppelleti
merge50.01A functor for consistent merging of information (data, library, mit)2021-09-190.3.1.1sgschlesinger
merge-bash-history40.00command line utility to merge bash_history (bsd3, library, program, tools)2018-09-170.1.0.1JiriMarsicek
mergeful70.02 (library, mit, unclassified)2022-06-190.3.0.0Norfair
mergeful-persistent80.00Support for using mergeful from persistent-based databases (library, mit, unclassified)2023-10-090.3.0.1Norfair
mergeless70.02 (library, mit, unclassified)2022-06-190.4.0.0Norfair
mergeless-persistent60.00Support for using mergeless from persistent-based databases (library, mit, unclassified)2023-10-090.1.0.1Norfair
merkle-log110.00Merkle Tree Logs (bsd3, data, library)2023-06-090.2.0larsk
merkle-patricia-db30.01A modified Merkle Patricia DB (apache, data-structures, library)2017-09-010.1.0jamshid
merkle-tree20.01An implementation of a Merkle tree and merkle tree proofs of inclusion (development, library)2018-11-210.1.1sdiehl
mersenne-random120.09Generate high quality pseudorandom numbers using a SIMD Fast Mersenne Twister (bsd3, library, math, system)2011-06-181.0.0.1DonaldStewart
mersenne-random-pure64270.025Generate high quality pseudorandom numbers purely using a Mersenne Twister (bsd3, library, math, system)2016-08-290.2.2.0BenGamari, DonaldStewart
message-db-temp10.00Temporary message-db for integration testing (database, eventsourcing, eventstore, library, mit, testing)2022-07-160.0.1.0discodave
messagepack120.014Serialize instance for Message Pack Object (data, library, mit)2022-03-200.5.5rodrigosetti, saep
messagepack-rpc20.01Message Pack RPC over TCP (library, mit, network)2015-11-040.5.1rodrigosetti
messente20.01Messente SMS Gateway (api, library, mit)2015-04-040.1.0.1kaiko
meta-misc20.01Utility library providing miscellaneous meta-programming utilities. (bsd3, data, generics, language, library, utility)2014-12-020.1.0.3ByronJohnson
meta-par10.02Provides the monad-par interface, but based on modular scheduler "mix-ins". (bsd3, control, library, monads, parallelism)2012-05-040.3RyanNewton
meta-par-accelerate70.01Support for integrated Accelerate computations within Meta-par. (bsd3, library, parallelism)2012-05-140.3.5RyanNewton
metadata40.01metadata library for semantic web (bsd3, data, library, text, web)2016-03-250.4.3.0KatsutoshiItoh
metaheuristics20.00Generalised local search within Haskell, for applications in combinatorial optimisation. (control, library, local-search, optimisation)2019-10-040.0.8richardjamessenington
metamorphic20.01metamorphisms: ana . cata or understanding folds and unfolds (algebra, graphs, library, recursion)2012-07-100.1.2.3DrewDay
metaplug (deprecated in favor of hint)30.01a tiny ghc api wrapper (bsd3, deprecated, library, unclassified)2007-10-110.1.1AustinSeipp
metar30.01Australian METAR (aviation, bsd3, data, library, program)2019-04-120.0.3TonyMorris, qfpl
metar-http20.00HTTP for METAR (aviation, bsd3, data, library, program)2019-02-070.0.3TonyMorris
method40.01rebindable methods for improving testability (bsd3, control, library)2021-05-070.4.0.0autotaker
metric20.02Metric spaces. (data, library, mit)2014-05-300.2.0vi, SimonAlling
metrics100.01High-performance application metric tracking (data, library, mit)2017-08-090.4.1.1IanDuncan
metricsd-client10.01Client for the metrics aggregator Metricsd (bsd3, library, metrics, monitoring, network)2014-01-020.1JanVornberger
metro50.08A simple tcp and udp socket server framework (bsd3, framework, library, network)2021-04-090.1.0.5Lupino
metro-socket20.01Socket transport for metro (bsd3, library, web)2021-04-090.1.0.1Lupino
metro-transport-crypto50.00Crypto transport for metro (bsd3, library, web)2020-08-090.1.0.0Lupino
metro-transport-tls20.00TLS transport for metro (bsd3, library, web)2020-08-090.1.0.0Lupino
metro-transport-websockets50.00Websockets transport for metro (bsd3, library, web)2020-08-090.1.0.0Lupino
metro-transport-xor40.00XOR transport for metro (bsd3, library, web)2020-08-090.1.0.0Lupino
metronome40.01Time Synchronized execution. (bsd3, library, system)2016-05-290.1.1PaoloVeronelli
mezzo32.01Typesafe music composition (library, mit, music)2017-10-080.3.1.0DimaSamoz
mezzolens22.01Pure Profunctor Functional Lenses (apache, lenses, library)2015-10-110.0.0RussellOConnor
mfsolve262.02Equation solver and calculator à la metafont (bsd3, library, math)2023-07-100.3.2.2BrentYorgey, KristofBastiaensen
mgeneric10.01Generics with multiple parameters (data, library, mit)2015-03-210.0.0.2rbocquet
mi20.01Multiple Instance for Haskell (language, library, mit)2014-02-280.0.1matt
micro-gateway20.00A Micro service gateway. (bsd3, cloud, faas, gateway, library, network, program, saas)2020-10-101.1.0.1Lupino
micro-recursion-schemes40.04Simple recursion schemes (bsd3, control, library, recursion)2018-05-145.0.2.2
microaeson470.01A tiny JSON library with light dependency footprint (gpl, json, library, text, web)2024-06-250.1.0.2AndreasAbel, HerbertValerioRiedel
microbase10.01A minimal base to work around GHC bugs. (library, mit, prelude)2021-01-214.15.0.0.1dailectic
microbench50.01Microbenchmark Haskell code (bsd3, development, library)2008-03-020.1EvanMartin
microc30.00microc compiler (bsd3, compiler, library, program)2017-11-061.0.0.1hurou927
microformats2-parser92.01A Microformats 2 parser. (library, public-domain, web)2022-10-181.0.2.2valpackett
microformats2-types (deprecated in favor of microformats2-parser, aeson)40.02Microformats 2 types (with Aeson instances) (deprecated, library, public-domain, web)2015-07-300.4.1valpackett
microgroove20.01Array-backed extensible records (library, mit, records)2018-02-200.2.1.0dailectic
microlens1732.75248A tiny lens library with no dependencies (bsd3, data, lenses, library)2025-02-200.4.14.0Artyom, stevenfontanella
microlens-aeson550.06Law-abiding lenses for Aeson, using microlens (library, mit, numeric)2024-03-012.5.2fosskers
microlens-contra90.03True folds and getters for microlens (bsd3, data, lenses, library)2022-12-140.1.0.3Artyom, stevenfontanella
microlens-each (deprecated in favor of microlens)20.01'each' for microlens (bsd3, data, deprecated, lenses, library)2015-04-190.1.0.0Artyom
microlens-ghc752.011microlens + array, bytestring, containers, transformers (bsd3, data, lenses, library)2025-03-080.4.15.1Artyom, stevenfontanella
microlens-mtl1100.032microlens support for Reader/Writer/State from mtl (bsd3, data, lenses, library)2025-02-200.2.1.0Artyom, stevenfontanella
microlens-platform930.040microlens + all batteries included (best for apps) (bsd3, data, lenses, library)2025-02-210.4.4.1Artyom, stevenfontanella
microlens-pro330.01Prisms and isomorphisms for microlens (bsd3, data, lenses, library)2025-03-080.2.0.4stevenfontanella
microlens-process122.00Micro-optics for the process library (bsd3, library, system)2020-05-300.2.0.2topos
microlens-th1310.083Automatic generation of record lenses for microlens (bsd3, data, lenses, library)2025-03-080.4.3.17Artyom, stevenfontanella
micrologger30.00A super simple logging module. (bsd3, library, web)2017-11-060.5.0.0savannidgerinel
microsoft-translator40.01Bindings to the Microsoft Translator API (library, mit, natural-language)2018-12-290.1.2Cliff_Harvey
microspec92.01Tiny QuickCheck test library with minimal dependencies (bsd3, library, test, testing)2018-11-100.2.1.3TomMurphy
microstache602.53Mustache templates for Haskell (bsd3, library, text)2024-05-171.0.3phadej
microtimer60.01A tiny library for benchmarking IO actions. (bsd3, library, system)2013-03-230.0.1.2AustinSeipp
mida (deprecated)50.00Language for algorithmic generation of MIDI files (deprecated, gpl, language, library, program)2016-09-101.0.2mrkkrp
midair62.01Hot-swappable FRP (concurrency, control, frp, gpl, interaction, library, music, reactive, reactivity, user-interfaces)2018-11-100.2.0.1TomMurphy
midi110.020Handling of MIDI messages and files (library, music, sound)2023-01-140.2.2.4HenningThielemann
midi-alsa100.05Convert between datatypes of the midi and the alsa packages (bsd3, library, music, sound)2013-05-170.2.1HenningThielemann
midi-simple40.01A simple and fast library for working with MIDI messages (lgpl, library, sound)2017-02-150.1.0.0tsahyt
midi-util70.01Utility functions for processing MIDI files (bsd3, library, music)2019-04-190.2.1mtolly
midi-utils10.01Utilities for working with MIDI data (gpl, library, sound)2016-08-150.1.0.0GuiltyDolphin
mig30.05Build lightweight and composable servers (bsd3, library, web)2023-11-290.2.1.0AntonKholomiov
mig-client30.01Build http-clients from API definition for mig servers (bsd3, library, web)2023-11-290.1.1.0AntonKholomiov
mig-extra20.01Extra utils for Mig core library (bsd3, library, web)2023-11-290.1.1.0AntonKholomiov
mig-server20.00Build lightweight and composable servers (bsd3, library, web)2023-11-290.2.1.0AntonKholomiov
mig-swagger-ui40.01Swagger servers for mig library (bsd3, library, web)2023-11-050.1.0.1AntonKholomiov
mig-wai30.01Render mig-servers as wai-applications (bsd3, library, web)2023-11-290.1.1.0AntonKholomiov
mighttpd2160.01High performance web server on WAI/warp (bsd3, library, network, program, web)2024-11-074.0.8KazuYamamoto
mighty-metropolis150.01The Metropolis algorithm. (library, mit, numeric)2020-05-212.0.0JaredTobin
migrant-core170.04Semi-automatic database schema migrations (bsd3, database, library)2022-11-100.1.0.3TobiasDammers
migrant-hdbc20.00Semi-automatic database schema migrations (bsd3, database, library)2022-11-100.1.0.3TobiasDammers
migrant-postgresql-simple40.00Semi-automatic database schema migrations (bsd3, database, library)2022-11-100.1.0.3TobiasDammers
migrant-sqlite-simple60.00Semi-automatic database schema migrations (bsd3, database, library)2022-11-100.1.0.3TobiasDammers
mikmod30.01MikMod bindings (library, sound)2015-10-080.2.0.1evanrinehart
miku60.02A minimum web dev DSL (bsd3, library, web)2016-03-162016.3.17JinjingWang
milena20.07A Kafka client for Haskell. (bsd3, library, network)2019-09-080.5.4.0adamflott, tylerholien
mime72.015Working with MIME types. (bsd3, codec, library)2015-04-150.4.0.2DonaldStewart, IavorDiatchki, SigbjornFinne
mime-directory80.02A library for parsing/printing the text/directory mime type. (library, text)2016-01-110.5.2MathieuBoespflug
mime-mail692.030Compose MIME email messages. (email, library, mit)2021-02-230.5.1DanielChoi, MichaelSnoyman, psibi, MarekSuchanek
mime-mail-ses100.01Send mime-mail messages via Amazon SES (library, mit, program, web)2020-09-040.4.3MichaelSnoyman, psibi, kindaro
mime-string20.01MIME implementation for String's. (codec, library)2017-10-070.5GuillaumeHoffmann, IanLynagh
mime-types1100.059Basic mime-type handling types and functions (library, mit, web)2023-10-180.1.2.0MichaelSnoyman
min-max-pqueue40.00Double-ended priority queues. (bsd3, data-structures, library)2020-06-250.1.0.2zliu41
minecraft40.00TBA (bsd3, data, library)2019-07-110.0.0.0chessai, goolord
minecraft-data50.01a DSL for generating minecraft commands and levels (bsd3, game, library, minecraft)2019-07-270.1.0.1JeremyShaw
mini100.00Minimal essentials (library, mit)2025-01-271.5.5.2vicwall
mini-egison30.01Template Haskell Implementation of Egison Pattern Matching (data, library, mit, pattern, program)2020-03-041.0.0SatoshiEgi, momohatt
miniball40.01Bindings to Miniball, a smallest enclosing ball library (gpl, library, math)2013-04-040.1.0.2GardSpreemann
minicurl10.00Minimal bindings to libcurl (bsd3, library, network)2023-01-300phadej
miniforth10.01Miniature FORTH-like interpreter (language, library, mit, program)2015-03-080.1.0.1L8D
minilens12.01A minimalistic lens library, providing only the simplest, most basic lens functionality. (data, gpl, lens, library)2016-05-311.0.0.2RaminHonary
minilight30.01A SDL2-based graphics library, batteries-included. (graphics, library, mit, program)2020-05-050.5.0myuon
minilight-lua30.00A binding library of minilight for Lua langauge. (graphics, library, mit, program)2020-05-160.2.1.0myuon
minimal-configuration80.01Minimal ini like configuration library with a few extras (configuration, library, system)2019-10-280.1.4MariusGhita
minimorph122.04English spelling functions with an emphasis on simplicity. (bsd3, library, natural-language-processing)2022-07-030.3.0.1EricKow, MikolajKonarski
minio-hs132.251A MinIO Haskell Library for Amazon S3 compatible cloud storage. (apache, aws, library, network, object-storage)2023-05-221.7.0AdityaManthramurthy, MinioDevTeam
minion40.05A Haskell introspectable web router (library, mit, program, web)2024-10-010.1.0.1goosedb
minion-conduit10.00Minion conduit support (library, mit, program, web)2024-09-290.1.0.0goosedb
minion-htmx20.00Minion HTMX support (library, mit, web)2024-09-290.1.0.0goosedb
minion-jwt20.00Minion JWT support (library, mit, program, web)2024-09-290.1.0.0goosedb
minion-openapi350.00Minion openapi3 support (library, mit, web)2024-10-080.1.0.1goosedb
minion-wai-extra10.01Minion wrappers for wai-extra (library, mit, program, web)2024-09-290.1.0.0goosedb
minioperational (deprecated in favor of monad-skeleton)30.05fast and simple operational monad (bsd3, control, deprecated, library)2015-01-260.4.9FumiakiKinoshita
miniplex30.01simple 1-to-N interprocess communication (library, program, system)2009-03-060.3.4LukasMai
minisat60.06A Haskell bundle of the Minisat SAT solver (bsd3, library, logic)2021-02-230.1.3JeroenBransen
minisat-solver100.02High-level Haskell bindings for the MiniSat SAT solver. (library, logic, mit)2016-10-240.1PeterSelinger
miniterion70.00Simple and lightweight benchmarking utilities (benchmarking, library, mit)2024-05-290.1.1.1AtsuroHoshino
minitypeset-opengl70.00Layout and render text with TrueType fonts using OpenGL (bsd3, graphics, library)2019-05-020.3.0.0BalazsKomuves
miniutter102.02Simple English clause creation from arbitrary words (bsd3, library, natural-language-processing)2022-07-030.5.1.2MikolajKonarski
minizinc-process30.00A set of helpers to call minizinc models. (apache, library, optimization)2024-04-020.1.5.0LucasDiCioccio
minlen50.01Express the minimum length of a container in its type (data, library, mit)2016-07-040.1.0.0MichaelSnoyman
minmax50.05Functions to find both minimum and maximum (or several of them simultaneously) in one pass. (data, development, library, mit)2024-01-150.1.1.0OleksandrZhabenko
minst-idx (deprecated in favor of mnist-idx)32.01Read and write IDX data that is used in e.g. the MINST database. (data, deprecated, gpl, library)2015-05-300.1.2.2muzzle
mintty250.06A reliable way to detect the presence of a MinTTY console on Windows (bsd3, library, system)2022-06-300.1.4ryanglscott
mios20.01A Minisat-based CDCL SAT solver in Haskell (artificial-intelligence, constraints, gpl, library, program)2018-10-071.6.2shnarazk
misfortune190.03fortune-mod clone (console, game, library, mit, program, public-domain)2022-08-120.1.2.1JamesCook, ncfavier
mismi-core20.01AWS Library (aws, bsd3, library)2018-12-270.0.3nhibberd
mismi-kernel60.01AWS Library (aws, bsd3, library)2018-12-270.0.3nhibberd
mismi-p40.04A commmon prelude for the mismi project. (bsd3, library, prelude)2018-12-270.0.3nhibberd
mismi-s330.00AWS Library (aws, bsd3, library)2018-12-270.0.3nhibberd
mismi-s3-core20.01AWS Library (aws, bsd3, library)2018-12-270.0.3nhibberd
miso392.255A tasty Haskell front-end web framework (bsd3, data-structures, library, miso, web)2025-02-111.8.7.0DavidJohnson
miso-action-logger30.00Miso state transition logger (bsd3, library, web)2019-06-270.1.0.1SviatChumakov
miss10.01A Haskell git implimentation (bsd3, development, git, library)2018-12-300AlecHeller, davean
miss-porcelain20.00Useability extras built on top of miss. (bsd3, development, git, library)2018-12-300AlecHeller, davean
missing-foreign70.04Convenience functions for FFI work (bsd3, ffi, library)2011-04-030.1.1JasonDagit
missing-py210.01Haskell interface to Python (foreign, gpl, library)2013-11-121.0.1domdere
mit-3qvpPyAi6mH270.00A git wrapper with a streamlined UX (cli, library, mit, program)2024-10-1612mitchellwrosen
mix-arrows10.01Mixing effects of one arrow into another one (bsd3, control, library)2012-02-061.2MiguelMitrofanov
mixed-strategies10.01Find optimal mixed strategies for two-player games (library, math, mit, program)2012-12-140.1.0.0BartonMassey
mixed-types-num160.07Alternative Prelude with numeric and logic expressions typed bottom-up (bsd3, library, math)2024-10-050.6.2MichalKonecny
mixpanel-client60.01Mixpanel client (apache, library, unclassified)2020-12-140.3.0domenkozar
ml-w10.01Minimal ML language to to demonstrate the W type infererence algorithm. (language, library, program, public-domain, type-inference)2012-04-090.1.1FrancescoMazzoli
mlist (deprecated in favor of List)20.02Monadic List alternative to lazy I/O (bsd3, data, deprecated, library)2009-05-020.0.2EyalLotem
mltool22.02Machine Learning Toolbox (bsd3, library, math)2018-06-100.2.0.1aignatyev, aignatyev17
mm2 (deprecated in favor of mmsyn2)10.00The library that can be used for optimization of multiple (Ord a) => a -> b transformations (binary-search, deprecated, development, library, mit)2019-09-210.1.1.0OleksandrZhabenko
mmap342.036Memory mapped files for POSIX and Windows (bsd3, library, system)2013-09-050.5.9GracjanPolak, andrewthad, chessai
mmark102.04Strict markdown processor for writers (bsd3, library, text)2024-07-080.0.8.0mrkkrp
mmark-ext70.02Commonly useful extensions for the MMark markdown processor (bsd3, library, text)2022-04-030.2.1.5mrkkrp
mmorph802.5137Monad morphisms (bsd3, control, library)2021-07-161.2.0GabrielGonzalez
mmsyn250.016The library that can be used for multiple (Ord a) => a -> b transformations (binary-search, development, library, mit)2021-03-290.3.2.0OleksandrZhabenko
mmsyn2-array50.024A library that can be used for multiple Ord a => a -> b transformations. (binary-search, data, development, language, library, mit)2023-01-280.3.1.1OleksandrZhabenko
mmsyn2-array-ukrainian-data30.01Data that is taken from the ukrainian-phonetics-basic-array for optimization. (data, language, library, math, mit)2023-01-310.2.0.0OleksandrZhabenko
mmsyn2-hashable10.00A library that can be used for multiple Hashable a => a -> b transformations. (data, development, language, library, mit)2021-10-310.1.0.0OleksandrZhabenko
mmsyn3 (deprecated in favor of end-of-exe)51.2522A small library to deal with executable endings (deprecated, library, mit, system)2023-02-020.2.0.0OleksandrZhabenko
mmsyn4 (deprecated in favor of gvti)41.250The "glue" between electronic tables and GraphViz (GraphViz, deprecated, graphics, library, mit, program)2022-08-130.6.4.0OleksandrZhabenko
mmsyn5110.011Various additional operations on lists (some with intermediate Monads) (data, library, lists, mit)2023-02-020.6.0.0OleksandrZhabenko
mmsyn6ukr70.010A musical instrument synthesizer or a tool for Ukrainian language listening (Ukrainian, language, library, mit, program, speech-approximation)2020-11-070.9.0.0OleksandrZhabenko
mmsyn6ukr-array60.00A musical instrument synthesizer or a tool for Ukrainian language listening (Ukrainian, language, library, mit, program, tts)2022-08-150.3.3.0OleksandrZhabenko
mmsyn7h70.00Produces a sound recording specified by the Ukrainian text. (Ukrainian, language, library, mit, program, sound, sox, speech-approximation, speech-transformation, voice)2020-12-030.8.1.0OleksandrZhabenko
mmsyn7l90.07Modifies the amplitudes of the sounds representations created by mmsyn7ukr-array and mmsyn7ukr packages. (Ukrainian, library, mit, program, sound, sox, speech-approximation, speech-transformation, voice)2024-12-190.9.2.0OleksandrZhabenko
mmsyn7s50.06Shows a sorted list of the Ukrainian sounds representations that can be used by mmsyn7 series of programs (Ukrainian, language, library, mit, program, speech-approximation, speech-transformation, syllable-segmentation)2020-10-090.9.1.0OleksandrZhabenko
mmsyn7ukr60.04A simple basic interface to some SoX functionality or to produce a voice that can be used by mmsyn7h (Ukrainian, language, library, mit, program, sound, sox, speech-approximation, speech-transformation, voice)2020-08-160.17.0.0OleksandrZhabenko
mmsyn7ukr-array60.01A simple reduced basic interface to some SoX functionality or to produce a voice that can be used by dobutokO2 and other similar packages (language, library, mit, sound)2024-12-190.3.0.0OleksandrZhabenko
mmsyn7ukr-common80.06Some common for mmsyn7ukr and mmsyn7ukr-array functionality using SoX. (Ukrainian, language, library, mit, sound, sox)2024-12-190.3.1.0OleksandrZhabenko
mmtf20.01Macromolecular Transmission Format implementation (bioinformatics, bsd3, library)2019-02-100.1.3.1zmactep
mmtl10.04Modular Monad transformer library (bsd3, control, library)2008-09-300.1MauroJaskelioff
mmtl-base (deprecated)10.01MonadBase type-class for mmtl (bsd3, control, deprecated, library)2011-12-1315321.1
mmzk-typeid111.51A TypeID and UUIDv7 implementation for Haskell (data, library, mit, typeid, uuid, uuidv7)2024-10-100.7.0.1MMZK1526
mnist-idx132.01Read and write IDX data that is used in e.g. the MNIST database. (data, lgpl, library)2023-02-080.1.3.2muzzle
mnist-idx-conduit72.01conduit utilities for MNIST IDX files (bsd3, data, data-mining, data-science, library, machine-learning)2021-05-140.4.0.0ocramz
moan20.02Language-agnostic analyzer for positional morphosyntactic tags (bsd3, library, natural-language-processing)2014-12-190.2.0.2vjeranc
mock-time20.00Mock time in tests (bsd3, library, test)2024-11-100.1.1luntain
mockazo30.00Mock records of functions easily (library, mit, testing)2019-07-020.1.1NickSeagull
mockcat50.00Mock library for test in Haskell. (library, mit, testing)2024-11-140.5.2.0funnycat
mockery200.01Support functions for automated testing (library, mit, testing)2017-06-130.3.5SimonHengel, SoenkeHahn
mod402.07Fast type-safe modular arithmetic (library, math, mit, number-theory)2023-02-130.2.0.1Bodigrim
modbus-tcp130.01Communicate with Modbus devices over TCP (bsd3, library, system)2017-02-170.5RoelVanDijk
model60.01Derive a model of a data type using Generics (bsd3, data, generics, library, reflection)2019-05-290.5PasqualinoAssini
modelicaparser10.01A parser for the modelica language (bsd3, language, library)2014-04-030.1.0.0fphh
modern-uri492.2530Modern library for working with URIs (bsd3, library, text)2023-08-180.3.6.1HerbertValerioRiedel, mrkkrp
modify-fasta30.00Modify fasta (and CLIP) files in several optional ways (bioinformatics, gpl, library, program)2018-04-020.8.3.0GregorySchwartz
modsplit20.01Haskell source splitter driven by special comments. (bsd3, library, program, utils)2009-09-050.2.1DmitryGolubovsky
modular80.01Type-safe modular arithmetic (bsd3, library, math)2018-11-050.1.0.8pgujjula
modular-arithmetic312.255A type for integers modulo some constant. (bsd3, library, math)2023-06-082.0.0.3TikhonJelvis
modular-prelude (deprecated)30.02A new Prelude featuring first class modules (control, deprecated, library, mit)2012-08-180.3.0.0DanBurton
modular-prelude-classy (deprecated)20.01Reifying ClassyPrelude a la ModularPrelude (control, deprecated, library, mit)2012-08-180.1.0.0DanBurton
modularity30.02Find the modularity of a network. (bioinformatics, gpl, library)2019-08-080.2.1.1GregorySchwartz
module-management250.01Clean up module imports, split and merge modules (bsd3, development, editor, haskell, ide, library, program, refactoring)2016-05-010.21DavidFox
module-munging30.01Smash together text to make modules. (codegen, library, mit)2024-02-240.1.0.1jship
modulespection130.02Template Haskell for introspecting a module's declarations (bsd3, language, library)2015-02-020.1.2.2JonathanFischoff
modulo30.01Modular C code generator (ffi, gpl, language, library, program)2014-07-281.9.1HansHoglund
moe30.03html with style (bsd3, library, web)2015-05-032015.5.4JinjingWang
moffy70.04Monadic Functional Reactive Programming (bsd3, control, library)2023-12-050.1.1.0YoshikuniJujo
moffy-samples50.00Samples of moffy (bsd3, control, library)2024-01-040.1.0.3YoshikuniJujo
moffy-samples-events50.03Events for sample codes of moffy (bsd3, control, library)2024-01-040.2.2.5YoshikuniJujo
moffy-samples-gtk3-run120.00Package to run moffy samples - GTK3 version (bsd3, control, library)2023-12-210.1.0.7YoshikuniJujo
moffy-samples-gtk4-run90.00Package to run moffy samples - Gtk4 version (bsd3, control, library)2023-12-190.2.1.3YoshikuniJujo
mohws40.01Modular Haskell Web Server (bsd3, library, program, web)2023-01-150.2.1.9GwernBranwen, HenningThielemann
mollie-api-haskell30.01Mollie API client for Haskell http://www.mollie.com (bsd3, library, web)2019-10-072.0.0.0matsrietdijk, tolgapaksoy
monad-abort-fd40.02A better error monad transformer (bsd3, control, library)2023-05-090.7.0.1MikhailVorozhtsov
monad-atom20.03Monadically convert object to unique integers and back. (bsd3, control, library)2012-03-160.4.1GrzegorzChrupala
monad-atom-simple20.01Monadically map objects to unique ints. (bsd3, control, library)2012-02-230.0.2GrzegorzChrupala
monad-batcher40.01An applicative monad that batches commands for later more efficient execution (bsd3, control, library)2017-04-290.0.0.0BasVanDijk
monad-bayes110.01A library for probabilistic programming. (library, mit, program, statistics)2024-11-101.3.0.4DominicSteinitz, turion
monad-bool (deprecated)30.01This package has been removed. (bsd3, control, deprecated, library)2013-01-280.2.0JohnWiegley
monad-branch20.01Monadic abstraction for computations that can be branched and run independently. (apache, data, library)2018-12-181.0.4danilo2, iamrecursion
monad-choice30.00Monad, monad transformer, and typeclass representing choices. (agpl, control, library)2020-03-270.2.0.0LouisH
monad-chronicle120.00These as a transformer, ChronicleT (bsd3, control, library, these)2025-01-041.1phadej
monad-classes (deprecated)52.07more flexible mtl (control, deprecated, library, mit)2018-05-070.3.2.2
monad-classes-logging50.01monad-classes based typeclass for Ollie's logging-effect LoggingT (bsd3, library, unclassified)2017-03-100.1.0.0edwardgeorge
monad-codec80.07Monadic conversion between complex data structures and unique integers (bsd3, control, library)2019-11-300.2.1JakubWaszczuk
monad-connect40.01Transformer for TCP connection with TLS and SOCKS support (control, library, monad, network, public-domain)2016-03-160.1akrasner
monad-control1042.0550Lift control operations, like exception catching, through monad transformers (bsd3, control, library)2021-08-021.0.3.1BasVanDijk, phadej
monad-control-aligned140.010Lift control operations, like exception catching, through monad transformers (bsd3, control, library)2023-10-020.0.2.1athanclark
monad-control-identity120.02Stronger classes than monad-control (bsd3, control, library)2022-03-310.2.0.0jumper149
monad-coroutine110.010Coroutine monad transformer for suspending and resuming monadic computations (concurrency, control, library, monads)2022-03-230.9.2MarioBlazevic
monad-dijkstra470.02A monad transformer for weighted graph searches (bsd3, control, library, monads)2023-12-180.1.1.5ecramer
monad-exception (deprecated in favor of layers)10.01Exstensible monadic exceptions (control, deprecated, library, public-domain)2012-03-010.1ShaneOBrien
monad-extras100.010Extra utility functions for working with monads (bsd3, control, library)2017-02-100.6.0JohnWiegley
monad-finally30.01Guard monadic computations with cleanup actions (bsd3, control, library)2023-05-090.1.2.1MikhailVorozhtsov
monad-fork (deprecated in favor of layers)20.02Type class for monads which support a fork operation. (control, deprecated, library, public-domain)2012-02-210.1ShaneOBrien
monad-gen40.04A simple monad for generating fresh integers (library, mit, utility)2014-12-160.3.0.1jozefg
monad-hash20.01Monad transformer for incremental hashing (control, cryptography, hash, library, monad, public-domain)2016-05-300.1.0.2akrasner
monad-http10.01A class of monads which can do http requests (bsd3, library, web)2015-12-250.1.0.0phadej
monad-ideals20.00Ideal Monads and coproduct of them (bsd3, control, library)2024-07-300.1.1.0viercc
monad-interleave50.02Monads with an unsaveInterleaveIO-like operation. (bsd3, library, monads)2022-11-220.2.0.1PatrickPerry, SergeyVinokurov
monad-introspect40.00A reader monad that gives the environment access to the entire transformer stack (bsd3, control, library)2020-08-100.1.0.0mniip
monad-io-adapter30.01Adapters between MonadIO and MonadBase IO. (control, library)2017-11-210.1.0.0lexi_lambda
monad-journal100.03Pure logger typeclass and monad transformer (bsd3, control, library)2017-11-250.8.1DimitriSabadie
monad-levels30.01Specific levels of monad transformers (control, library, mit)2015-02-030.1.0.1IvanMiljenovic
monad-lgbt10.01Monad transformers for combining local and global state. (bsd2, control, library)2016-07-230.0.2MichalGajda
monad-log20.01A simple and fast logging monad (development, library, mit)2016-04-250.1.1.0winterland
monad-logger2850.0236A class of monads which can log messages. (library, mit, system)2025-03-100.3.42MichaelSnoyman
monad-logger-aeson162.04JSON logging using monad-logger interface (library, mit, program, system)2024-03-170.4.1.3jship
monad-logger-extras80.02Utilities for composing loggers, coloring output, plus a few orphan instances. (bsd3, library, program, system)2025-01-190.1.1.2RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
monad-logger-json60.01JSON-friendly Logging APIs (library, logging, mit)2015-03-310.1.0.0MichaelSnoyman, dysinger
monad-logger-logstash90.00Logstash backend for monad-logger. (library, mit, system)2021-11-290.2.0.2mbg
monad-logger-prefix200.01Add prefixes to your monad-logger output (library, system)2020-12-080.1.12parsonsmatt
monad-logger-syslog180.01syslog output for monad-logger (library, logging, mit)2025-02-180.1.6.1GregWeber, MichaelSnoyman, dysinger, iamemhn
monad-loops452.25130Monadic loops (control, library, public-domain)2015-06-190.4.3JamesCook
monad-loops-stm40.02Monadic loops for STM (control, library, public-domain)2013-06-090.4JamesCook
monad-lrs (deprecated)20.01a monad to calculate linear recursive sequence (bsd3, deprecated, library, math)2012-03-040.0.2.1BinJin
monad-markov20.01Markov process monad (control, library, mit)2018-06-290.1.0.0arran
monad-memo132.02Memoization monad transformer (bsd3, control, library, monad)2022-01-030.5.4EduardSergeev
monad-mersenne-random22.55An efficient random generator monad, based on the Mersenne Twister (bsd3, control, library)2010-07-140.1DonaldStewart
monad-metrics112.03A convenient wrapper around EKG metrics (library, mit, web)2024-07-070.2.2.2parsonsmatt
monad-metrics-extensible42.00An extensible and type-safe wrapper around EKG metrics (bsd3, library, web)2021-02-010.1.1.00xd34df00d
monad-mock10.01A monad transformer for mocking mtl-style typeclasses (library, testing)2017-09-140.2.0.0lexi_lambda
monad-open10.01Open recursion for when you need it (control, library, mit)2015-03-220.1.0.0JonSterling
monad-ox30.03Monad for observation extraction (bsd3, control, library, natural-language-processing)2013-04-060.3.0JakubWaszczuk
monad-par242.2517A library for parallel programming based on a monad (bsd3, control, library, monads, parallelism)2023-09-280.3.6OliverCharles, RyanNewton, SimonMarlow
monad-par-extras190.05Combinators and extra features for Par monads (bsd3, control, library, monads, parallelism)2013-07-120.3.3RyanNewton
monad-parallel170.021Parallel execution of monadic computations (bsd3, control, library, monads)2022-03-220.8MarioBlazevic
monad-parallel-progressbar40.01Parallel execution of monadic computations with a progress bar (control, library, mit, monads, system, user-interfaces)2015-04-050.1.0.1mnacamura
monad-param (deprecated in favor of indexed)30.01Parameterized monads (bsd3, control, deprecated, library)2011-01-150.0.4DominiqueDevriese, EdwardKmett
monad-peel100.019Lift control operations like exception catching through monad transformers (bsd3, control, library)2023-08-100.3AndersKaseorg, SergeyAlirzaev
monad-persist20.02An mtl-style typeclass and transformer for persistent. (database, library)2018-09-180.0.3.0lexi_lambda
monad-primitive20.09Type class for monad transformers stack with pirimitive base monad. (bsd3, data, library)2013-03-010.1AlexeyKhudyakov
monad-products62.03Monad products (bsd3, control, library, monads)2016-01-174.0.1EdwardKmett
monad-ran20.01Fast monads and monad transformers (bsd3, control, library, monads)2009-05-060.1.0EdwardKmett, JosefSvenningsson
monad-recorder30.01Record and replay the results of monadic actions (general, library, mit)2018-03-180.1.1harendra
monad-resumption230.01Resumption and reactive resumption monads for Haskell. (bsd3, control, library)2019-09-300.1.4.0AdamProcter, IanGraves
monad-schedule140.03A new, simple, composable concurrency abstraction. (concurrency, library, mit)2025-03-250.2.0.2turion
monad-skeleton50.06Monads of program skeleta (bsd3, control, library, monads)2021-11-300.2FumiakiKinoshita
monad-st80.05Provides a MonadST class (bsd3, control, library, monads)2017-06-260.2.4.1EdwardKmett
monad-state20.02Utility library for monads, particularly those involving state. (bsd3, control, data, library, monads)2014-12-020.2.0.3ByronJohnson
monad-statevar10.01Concise, overloaded accessors for IORef, STRef, TVar (bsd3, data, library)2013-02-110.1JoeyAdams
monad-ste32.254ST monad with efficient explicit errors (bsd2, control, library)2016-05-040.1.0.0CarterSchonwald
monad-stlike-io30.02ST-like monad capturing variables to regions and supporting IO. (bsd3, library, monadic-regions, monads)2010-12-060.2.2TaruKarttunen
monad-stlike-stm20.01ST-like monad capturing variables to regions and supporting STM. (bsd3, library, monadic-regions, monads)2010-02-030.1.1TaruKarttunen
monad-stm50.06MonadSTM class analogous to MonadIO (bsd3, control, library)2013-04-070.1.0.2MiguelMitrofanov
monad-supply40.03Stateful supply monad (control, data, library, monad)2020-09-140.9GeoffHulette
monad-task20.02A monad transformer that turns event processing into co-routine programming. (bsd3, control, library)2018-01-040.2.0PaulLiu
monad-throw-exit10.00Functions to exit the program anywhere in MonadThrow monads. (apache, library, system)2021-12-180.1.0.0igrep
monad-time402.015Type class for monads which carry the notion of the current time. (bsd3, control, library)2022-07-050.4.0.0GracjanPolak, MikhailGlushenkov, arybczak, trin_cz, jonathanjouty
monad-time-effectful40.00Adaptation of the monad-time library for the effectful ecosystem. (control, library, mit)2023-06-191.0.0.0arybczak
monad-timing20.01Monad transformer for recording timing events (control, library, mit)2016-06-130.1.0.1pikajude
monad-tree60.00Tree data structure for nondeterministic computations. (control, library, mit)2021-11-090.2.0.0nbedell
monad-tx10.01A transactional state monad. (bsd3, control, library, monads)2009-04-060.0.1MattMorrow
monad-unify40.02Generic first-order unification (library, mit, unification)2014-04-150.2.2PhilFreeman
monad-unlift (deprecated in favor of unliftio-core, unliftio, rio)70.06Typeclasses for representing monad transformer unlifting (control, deprecated, library, mit)2016-05-030.2.0MichaelSnoyman
monad-unlift-ref42.01Typeclasses for representing monad transformer unlifting (control, library, mit)2017-11-210.2.1MichaelSnoyman
monad-validate171.258A monad transformer for data validation. (control, library)2023-08-171.3.0.0lexi_lambda
monad-var50.01Generic operations over variables (bsd3, library, unclassified)2021-03-060.2.2.0effectfully
monad-wrap10.01Wrap functions such as catch around different monads (bsd3, control, library)2013-04-270.1DavidMazieres
monadIO90.011Overloading of concurrency variables (bsd3, concurrency, library)2018-10-030.11.1.0ThomasDuBuisson, TrevorElliott
monadLib422.2528A collection of monad transformers. (library, monads)2024-09-023.10.3IavorDiatchki, IsaacJones
monadLib-compose40.02Arrow-like monad composition for monadLib. (bsd3, control, library, monads)2010-10-200.2AristidBreitkreuz
monadacme10.01The Acme and AcmeT monads (acme, bsd3, library)2019-03-260.1.0.0ThomasEding
monadbi (deprecated)40.02Extract underlying monads from monad transformers (control, deprecated, library)2011-09-220.1AnupamJain
monadcryptorandom140.07A monad for using CryptoRandomGen (bsd3, control, cryptography, library)2018-04-110.7.2.1ThomasDuBuisson
monadfibre (deprecated)40.01Monadic functions which provide Choice and Parallelism. (control, deprecated, library)2011-09-220.1.2.1AnupamJain
monadic-arrays70.01Boxed and unboxed arrays for monad transformers (bsd3, data-structures, library)2016-01-170.2.2EdwardKmett
monadic-bang30.00GHC plugin to desugar ! into do-notation (development, library, mit)2024-12-190.2.2.2JakobBruenker
monadic-recursion-schemes350.00Recursion Schemes for Monadic version. (bsd3, control, library, monad, recursion)2023-04-190.1.13.2KatsutoshiItoh
monadiccp60.04Constraint Programming (bsd3, control, library)2018-05-090.7.7MaikRiechert, PieterWuille, TomSchrijvers
monadiccp-gecode70.01Constraint Programming (bsd3, control, library)2018-05-300.1.3JanTikovsky
monadio-unwrappable50.01Reversibly allow monad transformer stacks to run in IO (bsd3, control, library)2012-06-180.3AndrewMiller
monadlist100.04Monadic versions of list functions (bsd3, control, library)2011-10-080.0.2ThomasEding
monadloc60.06A class for monads which can keep a monadic call trace (control, library, monads, public-domain)2013-06-060.7.1PepeIborra
monadlog10.01A simple and fast logging monad (development, library, mit)2017-11-070.1.1.1zmactep
monadoid50.01A monoid for monads (bsd3, library, unclassified)2018-11-270.0.3athanclark
monadology60.00The best ideas in monad-related classes and types. (bsd2, library, monads)2024-12-160.4AshleyYakeley
monadplus200.09Haskell98 partial maps and filters over MonadPlus. (bsd3, control, library)2023-01-061.4.3HansHoglund, OliverCharles
monads-fd (deprecated in favor of mtl)30.041Monad classes, using functional dependencies (bsd3, control, deprecated, library)2010-11-070.2.0.0RossPaterson
monads-tf210.075Monad classes, using type families (bsd3, control, library)2023-07-100.3.0.1RossPaterson, chris_martin
monadtransform40.01A type-class for transforming monads (homomorphism) in a transformer (bsd3, development, library)2012-09-260.0.2TonyMorris
monarch20.01Monadic interface for TokyoTyrant. (bsd3, database, library)2013-09-240.10.0.0NoriyukiOhkawa
mondo (deprecated in favor of monzo)20.01Haskell bindings for the Mondo API (deprecated, library, mit, web)2016-04-050.3.0.0mbg
monetdb-mapi10.01Mid-level bindings for the MonetDB API (mapi) (bsd3, database, library)2018-12-150.1.0.2muesli4
money10.01Money (finance, library, mit)2016-11-230.1.0jpvillaisaza
mongoDB1002.516Driver (client) for MongoDB, a free, scalable, fast, document DBMS (apache, database, library)2024-02-182.7.1.4FedorGogolev, GregWeber, ScottParish, TonyHannan, VictorDenisov
mongodb-queue90.01message queue using MongoDB (database, library, mit)2014-01-220.4.0.1GregWeber
mongrel2-handler20.01Mongrel2 Handler Library (library, mit, web)2011-08-060.3.2BardurArantsson
monky30.00A system state collecting library and application (lgpl, library, program, system)2020-02-132.2.1.1ongyerth
mono-foldable (deprecated in favor of mono-traversable)30.01Folds for monomorphic containers (bsd3, data, deprecated, library)2013-09-110.1.0.2JohnLato
mono-traversable2492.091Type classes for mapping, folding, and traversing monomorphic containers (data, library, mit)2024-12-131.0.21.0AndreasAbel, GregWeber, MichaelSnoyman, WilliamRusnack
mono-traversable-instances150.02Extra typeclass instances for mono-traversable (data, library, mit)2020-07-190.1.1.0MichaelSnoyman
mono-traversable-keys70.01Type-classes for interacting with monomorphic containers with a key (bsd3, containers, data, data-structures, library)2023-05-050.3.0recursion_ninja
mono-traversable-wrapper50.01Wrapper providing Foldable instance for MonoFoldables. (data, library, mit)2017-02-260.1.0.1oisdk
monocypher10.00Low level bindings to the monocypher C library. (cryptography, library)2023-03-064.0.0.1RenzoCarbonara
monoid20.03Monoid type classes, designed in modular way, distinguish Monoid from Mempty and Semigroup. This design allows mempty operation don't bring Semigroups related constraints until (<>) is used. (apache, data, library)2018-12-180.1.9danilo2, iamrecursion
monoid-absorbing50.01A library for (left, right) zero monoids and backtracking with cut (algebra, library, mit)2015-10-160.1.0.4maciejpirog
monoid-extras1220.019Various extra monoid-related definitions and utilities (bsd3, data, library)2025-02-240.6.5BrentYorgey, RyanYates, jeffreyrosenbluth, bergey
monoid-insertleft80.06Some extension to the Foldable and Monoid classes. (data, development, library, mit)2024-01-130.1.0.1OleksandrZhabenko
monoid-map30.00A monoidal map with the right group instance (bsd3, data, library)2025-01-140.2.0.1RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
monoid-owns (deprecated in favor of air)40.03a practical monoid implementation (bsd3, deprecated, library, web)2010-05-292010.5.29JinjingWang
monoid-record50.02Support for modifying record fields of monoidal type (bsd3, data, library)2009-04-200.1RobinGreen
monoid-statistics60.02Monoids for calculation of statistics of sample (bsd3, library, statistics)2023-10-161.1.5AlexeyKhudyakov
monoid-subclasses1572.028Subclasses of Monoid (algebra, bsd3, data, library, text)2025-03-011.2.6MarioBlazevic
monoid-transformer100.03Monoid counterparts to some ubiquitous monad transformers (bsd3, data, library)2018-02-160.0.4HenningThielemann
monoidal-containers1050.014Containers with monoidal accumulation (bsd3, data, library)2024-06-020.6.5.0BenGamari, OliverCharles, RyanTrinkle, mpickering, abrar, alexfmpe, maralorn, ymeister
monoidal-functors142.00Monoidal Functors Library (categories, control, library, mit, program)2023-08-030.2.3.0solomon
monoidmap751.52Monoidal map type (apache, data-structures, library, monoidal)2025-03-200.0.4.4JonathanKnowles
monoidmap-aeson690.00JSON support for monoidmap. (apache, data-structures, library)2025-03-200.0.0.5JonathanKnowles
monoidmap-examples40.00Examples for monoidmap. (apache, data-structures, library)2025-03-200.0.0.0JonathanKnowles
monoidmap-internal40.00Internal support for monoidmap. (apache, data-structures, library)2025-03-200.0.0.0JonathanKnowles
monoidmap-quickcheck300.00QuickCheck support for monoidmap. (apache, data-structures, library)2025-03-200.0.0.2JonathanKnowles
monoidplus10.01Extra classes/functions about monoids (data, library, math, public-domain)2011-11-120.1.0.1AaronBlack
monoids (deprecated in favor of reducers)70.02Deprecated: Use 'reducers' (bsd3, data, deprecated, library, math, numerical)2012-02-090.3.2DanielWagner, EdwardKmett
monomer102.253A GUI library for writing native Haskell applications. (bsd3, gui, library, program)2024-01-081.6.0.1fjvallarino
monomer-hagrid52.00A datagrid widget for the Monomer library. (gui, library, mit)2024-12-280.4.0.1garethdanielsmith
monomorphic (deprecated in favor of singletons)40.05Library to convert polymorphic datatypes to/from its monomorphic represetation (bsd3, data, deprecated, library)2015-05-190.0.3.3HiromiIshii
monopati20.01Well-typed paths (bsd3, library, system)2018-11-220.1.4iokasimovmt
montage20.01Riak Resolution Proxy (bsd3, library, network)2012-10-290.1.1ErinDahlgren
montage-client20.01Riak Resolution Proxy Client (bsd3, library, network)2012-10-290.1.1ErinDahlgren
monte-carlo20.01A monad and transformer for Monte Carlo calculations. (bsd3, library, math)2017-09-150.6.2PatrickPerry
months20.00MonthName (bsd3, data, library, time)2024-07-030.2.1phadej
monus10.00a 'Monus' is a commutative monoid that allows a notion of substraction. (bsd3, data, library)2018-10-190.2.0.0chessai
monus-weighted-search22.00Efficient search weighted by an ordered monoid with monus. (data-structures, library, mit)2021-08-290.1.0.0oisdk
monzo30.01Haskell bindings for the Monzo API (library, mit, web)2016-08-270.4.0.0mbg
moo42.02Genetic algorithm library (ai, algorithms, bsd3, library, optimisation, optimization)2018-11-131.2SergeyAstanin
moo-nad30.00Invocation helpers for the ReaderT-record-of-functions style. (bsd3, control, library)2021-05-230.1.0.2DanielDiazCarrete
moonshine20.01A web service framework for Haskell, similar in purpose to dropwizard. (apache, library, web)2015-06-222.0.0.0pjrt, potomak, glasserc, mhova
more-containers110.01A few more collections (data-structures, library, mit)2021-04-050.2.2.2mtth
more-extensible-effects102.01Initial project template from stack (bsd3, control, library)2017-01-290.1.0.4qzchenwl
morfeusz12.02Bindings to the morphological analyser Morfeusz (bsd3, library, natural-language-processing)2012-10-190.4.2JakubWaszczuk
morley110.05Developer tools for the Michelson Language (language, library, mit, program)2023-07-311.20.0gromak, pasqu4le, serokell
morley-client120.02Client to interact with the Tezos blockchain (blockchain, library, mit, program)2023-07-310.4.0pasqu4le, serokell
morley-prelude122.06A custom prelude used in Morley (library, mit, prelude)2023-07-310.6.0gromak, pasqu4le, serokell
morley-upgradeable20.00Upgradeability infrastructure based on Morley. (language, library, mit, program)2021-04-020.3pasqu4le, serokell
morloc10.00A multi-lingual, typed, workflow language (code-generation, compiler, gpl, language, library, program)2020-11-060.33.0arendsee
morph32.00A simple database migrator for PostgreSQL (bsd3, database, library, program)2021-08-290.2.0.0thoferon
morpheus-graphql452.50Morpheus GraphQL (graphql, library, mit, web)2024-06-100.28.1nalchevanidze
morpheus-graphql-app670.03Morpheus GraphQL App (graphql, library, mit, web)2024-06-100.28.1nalchevanidze
morpheus-graphql-client412.250Morpheus GraphQL Client (client, graphql, library, mit, web)2024-06-100.28.1nalchevanidze
morpheus-graphql-code-gen630.02Morpheus GraphQL CLI (bsd3, cli, graphql, library, program, web)2024-06-100.28.1nalchevanidze
morpheus-graphql-code-gen-utils470.02Morpheus GraphQL CLI (bsd3, cli, graphql, library, web)2024-06-100.28.1nalchevanidze
morpheus-graphql-core802.07Morpheus GraphQL Core (graphql, library, mit, web)2024-06-100.28.1nalchevanidze
morpheus-graphql-server220.02Morpheus GraphQL (graphql, library, mit, web)2024-06-100.28.1nalchevanidze
morpheus-graphql-subscriptions370.01Morpheus GraphQL Subscriptions (graphql, library, mit, subscriptions, web)2024-06-100.28.1nalchevanidze
morpheus-graphql-tests330.00Morpheus GraphQL Test (graphql, library, mit, test, web)2024-06-100.28.1nalchevanidze
morphisms40.03It's all about functions (control, data, library, mit)2019-01-040.1.1iokasimovmt
morphisms-functors50.01Functors, theirs compositions and transformations (control, data, library, mit)2019-01-150.1.7iokasimovmt
morphisms-functors-inventory30.00Inventory is state and store (control, data, library, mit)2019-01-120.1.0iokasimovmt
morphisms-objects70.00Algebraic structures (control, data, library, mit)2019-01-080.1.3iokasimovmt
morte52.252A bare-bones calculus of constructions (bsd3, compiler, library, program)2019-11-031.7.2GabrielGonzalez
mortred20.00Library for setting up and running scrapers with webdriver. (bsd2, library, program, selenium, web-scraping)2021-10-240.0.2gonz
mosaico-lib20.01Generación interactiva de mosaicos (bsd3, graphics, library)2015-05-110.1.1.0mgomezch
mosquitto-hs (deprecated)60.01Mosquitto client library bindings (bsd3, deprecated, library, network, web)2017-03-040.1.0.0anishray
moss70.00Haskell client for Moss (library, mit, web)2022-05-200.2.0.1mbg
moto30.01General purpose migrations library (apache, database, library)2020-05-090.0.4RenzoCarbonara
moto-postgresql20.01PostgreSQL-based migrations registry for moto. (apache, database, library)2020-05-090.0.2RenzoCarbonara
motor50.02Type-safe effectful state machines in Haskell (control, library, mpl, program)2019-06-230.4.0owickstrom
motor-diagrams30.01Generate state diagrams from Motor FSM typeclasses (control, library, mpl)2019-06-280.4.0owickstrom
motor-reflection40.01Reflect on Motor FSM typeclasses to obtain runtime representations (control, library, mpl)2019-06-280.4.0owickstrom
mount (deprecated in favor of linux-mount)20.01Mounts and umounts filesystems (deprecated, library, system)2013-04-050.2.1NicolaSquartini
mountpoints152.00list mount points (library, system)2016-03-151.0.2JoeyHess
moving-averages30.01This is a library for calculating moving averages on lists of numbers. (library, mathematics, mit)2017-05-120.2.0.0joshuaclayton
mpd-current-json30.00Print current MPD song and status as JSON (library, network, program)2024-10-012.1.0.011xx
mpeff30.00Efficient effect handlers based on evidence-passing semantics (control, effect, library, mit)2021-08-090.1.0.0ningningxie
mpg123-bindings50.01Mpg132 bindings (bsd3, codec, library)2017-05-010.1.0.0pakanek
mpi-hs122.03MPI bindings for Haskell (apache, distributed-computing, library, program)2024-10-160.7.3.1eschnett, phillipseeber
mpi-hs-binary60.00MPI bindings for Haskell (apache, distributed-computing, library, program)2020-04-180.1.1.0eschnett
mpi-hs-cereal50.00MPI bindings for Haskell (apache, distributed-computing, library, program)2020-04-180.1.0.0eschnett
mpi-hs-store40.00MPI bindings for Haskell (apache, distributed-computing, library, program)2020-04-180.1.0.0eschnett
mplayer-spot40.00Save your spot when watching movies with @mplayer@. (bsd3, library, program, text)2020-02-110.1.0.0cdepillabout
mpolynomials40.01Simple multivariate polynomials. (algebra, gpl, library, math)2022-12-110.1.1.0stla
mpppc40.02Multi-dimensional parametric pretty-printer with color (library, text)2012-12-080.1.3DarinMorrison
mprelude10.01A minimalish prelude. (bsd3, library, prelude)2020-11-200.2.1mbj
mpretty10.01a monadic, extensible pretty printing library (bsd3, library, text)2013-08-020.1.0.0DavidDarais
mpris10.01Interface for MPRIS (gpl, library, media)2015-12-150.1.0.0Fuco
mps (deprecated in favor of air)220.017simply oo (bsd3, deprecated, development, library)2010-11-282010.11.28JinjingWang
mptcp20.02Datastructures to describe TCP and MPTCP connections (gpl, library, mptcp, network)2022-01-040.0.1teto
mptcp-pm20.01A Multipath TCP path manager (gpl, library, mptcp, network, program)2022-01-040.0.5teto
mptcpanalyzer20.00A Multipath TCP analyzer (gpl, library, network, program)2022-01-050.0.2.0teto
mqtt50.01An MQTT protocol implementation. (iot, library, mit, network)2017-03-230.1.1.0LarsPetersen
mqtt-hs20.02A MQTT client library. (gpl, library, network)2018-08-031.0.2LukasBraun
mr-env122.00A simple way to read environment variables in Haskell (library, mit, system)2022-11-060.1.0.5meowgorithm
mrm10.01Modular Refiable Matching, first-class matches (bsd3, data, library)2016-03-070.1.0.0suhorng
ms20.01metric spaces (bsd2, library, math)2015-07-210.2.1RickyElrod
ms-auth20.00Microsoft Authentication API (bsd3, library, web)2023-08-110.4.0.0ocramz
ms-azure-api50.00Microsoft Azure API (bsd3, library, web)2023-08-110.6.0.1ocramz
ms-graph-api40.00Microsoft Graph API (bsd3, library, web)2023-07-060.11.0.0ocramz
ms-tds110.01TDS Protocol implemented in Haskell (bsd3, database, library)2024-05-180.4.0.3tkmsm
msgpack70.014A Haskell implementation of MessagePack (bsd3, data, library)2019-03-271.0.1.0HerbertValerioRiedel, HideyukiTanaka
msgpack-aeson20.01Aeson adapter for MessagePack (bsd3, data, library)2015-04-040.1.0.0HerbertValerioRiedel, HideyukiTanaka
msgpack-arbitrary50.01A Haskell implementation of MessagePack. (bsd3, data, library)2022-02-150.1.3iphydf
msgpack-binary40.03A Haskell implementation of MessagePack (bsd3, data, library, program)2022-02-140.0.16iphydf
msgpack-idl30.01An IDL Compiler for MessagePack (bsd3, language, library, program)2013-01-300.2.1HerbertValerioRiedel, HideyukiTanaka
msgpack-persist10.00A Haskell implementation of MessagePack (bsd3, data, library, program)2022-02-140.0.15iphydf
msgpack-rpc60.01A MessagePack-RPC Implementation (bsd3, library, network)2015-04-041.0.0HerbertValerioRiedel, HideyukiTanaka
msgpack-rpc-conduit30.01A MessagePack-RPC Implementation (bsd3, data, library)2022-02-120.0.7iphydf
msgpack-testsuite40.00A Haskell implementation of MessagePack (bsd3, data, library)2022-02-150.1.0iphydf
msgpack-types50.05A Haskell implementation of MessagePack. (bsd3, data, library)2022-02-150.3.2iphydf
msh (deprecated in favor of hoop)20.01Object-Oriented Programming in Haskell (deprecated, language, library, mit)2015-10-210.1.0.2mbg
mssql-simple60.00SQL Server client library implemented in Haskell (bsd3, database, library)2024-05-180.6.0.5tkmsm
mstate80.02MState: A consistent State monad for concurrent applications. (bsd3, concurrency, library, monads)2025-02-040.2.11NilsSchweinsberg
msu60.01Monitor Setup Utility (library, mit, program, unclassified)2021-10-140.2.0.0PatrickBrisbin
mt1993760.00Standard 32-bit Mersenne Twister PRNG, in pure Haskell (cryptography, data, library, mit, random)2024-07-140.1.1raehik
mtgoxapi10.01Library to communicate with Mt.Gox (bsd3, library, network)2014-01-030.5.0.2JanVornberger
mtl702.754121Monad classes for transformers, using functional dependencies (bsd3, control, library)2022-10-312.3.1DonaldStewart, EdwardKmett, HerbertValerioRiedel, IanLynagh, RossPaterson, ryanglscott, chessai, topos
mtl-c20.01Very strict CPS'd transformers (bsd3, library, monads)2016-11-110.1.1FumiakiKinoshita
mtl-compat572.029Backported Control.Monad.Except module from mtl (bsd3, compatibility, library)2019-04-280.2.2ryanglscott
mtl-evil-instances (deprecated in favor of layers)20.03Instances for the mtl classes for all monad transformers. (control, deprecated, library, public-domain)2012-02-290.1ShaneOBrien
mtl-extras (deprecated in favor of transformers-lift)20.01Higher order versions of MTL classes (bsd3, control, deprecated, library)2016-08-120.1int_index
mtl-misc-yj70.02tribial tools about mtl (bsd3, control, library)2024-12-140.1.0.4YoshikuniJujo
mtl-prelude90.011Reexports of most definitions from "mtl" and "transformers" (library, mit, prelude)2023-03-252.0.3.2NikitaVolkov
mtl-tf20.01Monad Transformer Library with Type Families (bsd3, control, library)2018-01-230.2.1.0TrevorElliott
mtl-unleashed60.02MTL classes without the functional dependency (bsd3, control, library)2015-11-110.6.1DavidFox
mtl-uplift30.00Lift substacks of monad transformer stacks (control, library, mit)2022-01-210.1.0.1sgschlesinger
mtlparse50.02parse library using mtl package (library, parsing)2015-01-210.1.4.0YoshikuniJujo
mtlx20.01Monad transformer library with type indexes, providing 'free' copies. (bsd3, control, library)2012-10-150.1.6MarkSnyder
mtp (deprecated)10.01Bindings to libmtp (deprecated, library, sound)2010-03-130.1.1.1JoachimFasting
mtree30.01Tree with Meta and Content parameters (data, library, public-domain)2011-09-170.1RahulGopinath
mtsl40.00Reified monad transformer stacks (control, library, mit)2020-09-280.2.0.0sgschlesinger
mu-avro60.02Avro serialization support for Mu microservices (apache, library, network, program)2021-02-080.4.0.4AlejandroSerrano, FlavioCorpa
mu-graphql30.00GraphQL support for Mu (apache, library, network, program)2023-01-070.5.0.4AlejandroSerrano, FlavioCorpa
mu-grpc-client50.00gRPC clients from Mu definitions (apache, library, network)2022-01-100.4.0.2AlejandroSerrano, FlavioCorpa
mu-grpc-common20.02gRPC for Mu, common modules for client and server (apache, library, network)2020-10-140.4.0.0AlejandroSerrano, FlavioCorpa
mu-grpc-server20.00gRPC servers for Mu definitions (apache, library, network, program)2021-01-120.5.0.0AlejandroSerrano, FlavioCorpa
mu-kafka30.00Utilities for interoperation between Mu and Kafka (apache, library, network)2020-04-280.3.0.0AlejandroSerrano, FlavioCorpa
mu-lens40.00Lenses for @mu-schema@ terms (apache, library, network)2020-10-120.3.0.0AlejandroSerrano, FlavioCorpa
mu-optics40.01Optics for @mu-schema@ terms (apache, library, network)2020-11-190.3.0.1AlejandroSerrano, FlavioCorpa
mu-persistent40.00Utilities for interoperation between Mu and Persistent (apache, library, network)2020-11-190.3.1.0AlejandroSerrano, FlavioCorpa
mu-prometheus50.00Metrics support for Mu using Prometheus (apache, library, network)2021-01-120.5.0.0AlejandroSerrano, FlavioCorpa
mu-protobuf40.03Protocol Buffers serialization and gRPC schema import for Mu microservices (apache, library, network, program)2021-01-290.4.2.0AlejandroSerrano, FlavioCorpa
mu-rpc50.010Protocol-independent declaration of services and servers. (apache, library, network)2022-05-120.5.0.2AlejandroSerrano, FlavioCorpa
mu-schema70.012Format-independent schemas for serialization (apache, library, network)2021-02-020.3.1.2AlejandroSerrano, FlavioCorpa
mu-servant-server30.00Servant servers for Mu definitions (apache, library, network, program)2021-01-120.5.0.0AlejandroSerrano, FlavioCorpa
mu-tracing20.00Tracing support for Mu (apache, library, network)2020-10-120.4.0.0AlejandroSerrano, FlavioCorpa
mucipher40.01A library to produce simple ciphers for use with lambdabot. (codec, library)2008-11-120.6.0AndrewRobbins
mud30.00Multi-version deployer for web applications (bsd3, library, program, unclassified)2017-02-270.1.0.0thoferon
muesli20.01A simple document-oriented database (database, library, mit)2015-05-290.1.1.0CalinArdelean
mueval130.05Safely evaluate pure Haskell expressions (bsd3, development, language, library, program)2023-12-040.9.4ChrisDone, GwernBranwen, ncfavier, TerenceNg03
mulang30.01An intermediate language designed to perform advanced code analysis (language, library, program)2019-01-114.4.0flbulgarelli
multext-east-msd20.01MULTEXT-East morphosyntactic descriptors (bsd3, library, natural-language-processing)2013-08-300.1.0.4JanSnajder
multi-cabal20.00A tool supporting multi cabal project builds. (development, library, mit, program)2015-08-060.1.0.0bash0r
multi-containers100.00A few multimap variants. (bsd3, data-structures, library)2021-07-090.2zliu41
multi-except22.00Multiple Exceptions (exceptions, library, mit)2024-01-032.0.0414owen
multi-instance20.01Typeclasses augmented with a phantom type parameter (algebra, apache, library)2022-03-150.0.0.5chris_martin
multi-trie30.01Trie of sets, as a model for compound names having multiple values (data, library, mit)2016-11-070.1vadimvinnik
multiaddr30.01A network address format (bsd3, library, network)2016-02-260.3.0MicxjoFunkcio
multiarg110.03Command lines for options that take multiple arguments (bsd3, console, library, parsing)2015-09-100.30.0.10OmariNorman
multibase30.03Self-identifying base encodings, implementation of <https://github.com/multiformats/multihash> (bsd3, data, library)2021-01-120.1.2KimAltintop, jkarni
multicurryable20.01Uncurry functions with multiple arguments. (bsd3, data, library)2023-05-220.1.1.0DanielDiazCarrete
multifocal20.01Bidirectional Two-level Transformation of XML Schemas (bsd3, generics, library, program)2012-01-260.0.1HugoPacheco
multihash22.02Multihash library and CLI executable (bsd3, data, library, program)2015-08-210.1.2LukeHoersten
multihash-cryptonite40.03Self-identifying hashes, implementation of <https://github.com/multiformats/multihash> (bsd3, data, library)2019-05-230.1.0.0KimAltintop, jkarni
multihash-serialise20.00CBOR encoding of multihashes (bsd3, codec, library)2019-05-230.1.0.0KimAltintop, jkarni
multihashmap40.01hashmap from keys to hashsets (bsd3, data, library)2018-06-130.1.0.0chessai
multilinear31.51Comprehensive and efficient (multi)linear algebra implementation. (bsd3, library, machine-learning)2018-11-250.5.0.0ArturB
multilinear-io11.751Conduit-based input/output capability for multilinear package. (bsd3, library, machine-learning)2018-11-250.5.0.0ArturB
multimap90.013A multimap. (data-structures, library, mit)2013-06-011.2.1JulianFleischer
multipart180.04Parsers for the HTTP multipart format (bsd3, library, network)2020-10-180.2.1AdamBergmark, ErikHesselink
multipart-names20.01Handling of multipart names in various casing styles (bsd3, data, library)2015-04-020.0.1nedervold
multipass30.01Folding data with multiple named passes (bsd3, control, library)2013-01-270.1.0.2EdwardKmett
multipath10.01Parser and builder for unix-path-like objects. (codec, library, mit)2016-11-050.1.0.0SupraSummus
multiplate110.03Lightweight generic library for mutually recursive data types. (generics, lenses, library, mit)2015-09-270.0.3RussellOConnor
multiplate-simplified30.02Shorter, more generic functions for Multiplate. (generics, library, mit)2012-04-220.0.0.2BalazsEndresz
multipool80.03Generalized system for reading and writing to distributed systems that have primary/replica topologies. (bsd3, database, library)2019-04-100.2.0.0IanDuncan
multipool-persistent70.01Read and write from appropriate persistent sql instances in replicated environments. (bsd3, database, library)2019-04-100.2.0.0IanDuncan
multipool-persistent-postgresql100.01Read and write appropriately from both master and replicated postgresql instances. (bsd3, database, library)2019-04-100.2.0.0IanDuncan
multipool-postgresql-simple70.00 (bsd3, library, unclassified)2019-04-100.2.0.0IanDuncan
multiprocess40.00Multiprocess architecture library (bsd3, development, library)2019-04-290.0.0ChrisDone
multirec42.258Generic programming for families of recursive datatypes (bsd3, generics, library)2018-11-120.7.9AndresLoeh, JosePedroMagalhaes
multirec-alt-deriver40.01Alternative multirec instances deriver (bsd3, generics, library, template-haskell)2010-11-290.1.3DanielSchuessler
multirec-binary20.01Generic Data.Binary instances using MultiRec. (bsd3, data, generics, library)2009-05-250.0.1SebastiaanVisser
multiset320.021The Data.MultiSet container type (bsd3, data-structures, library)2019-12-150.3.4.3TwanVanLaarhoven
multiset-comb100.03Combinatorial algorithms over multisets (bsd3, library, math)2023-02-270.2.4.2BrentYorgey
multisetrewrite10.02Multi-set rewrite rules with guards and a parallel execution scheme (bsd3, concurrency, library)2010-03-070.6MartinSulzmann
multistate90.06like mtl's ReaderT / WriterT / StateT, but more than one contained value/type. (bsd3, control, library)2022-01-240.8.0.4lspitzner, fozworth, dukerutledge
multivariant20.00Multivariant assignments generation language (bsd3, library, program, test)2017-01-310.1.0.1MZiatdinov
multivector (deprecated)20.01Vectors of packed tuples (bsd3, data, deprecated, library)2018-05-050.1.0.0
multiwalk10.01Traverse data types via generics, acting on multiple types simultaneously. (control, gpl, library)2023-07-170.3.0.1lvreis
murder20.03MUtually Recursive Definitions Explicitly Represented (development-, library)2013-11-121.3.4MarcosViera
murmur20.00Simple CUI Twitter Client. (bsd3, library, program, web)2016-04-060.0.0.2outoftune
murmur-hash460.012MurmurHash2 implementation for Haskell. (bsd3, data, digest, library)2024-11-120.1.0.11AndreasAbel, ThomasSchilling
murmur3100.04Pure Haskell implementation of the MurmurHash3 x86 algorithm (data, hash, library, mit, murmur, public-domain)2021-09-281.0.5PhilippeLaprade, jprupp
murmurhash320.0132-bit non-cryptographic hashing (data, digest, library, public-domain)2011-06-221.0NisWegmann
music-articulation150.04Abstract representation of musical articulation. (bsd3, library, music)2015-06-301.9.0HansHoglund
music-diatonic70.02Implementation of basic western musical theory objects. (bsd3, library, music)2017-01-150.1.2AlanHawkins, PatrickLeBoutillier
music-dynamics90.05Abstract representation of musical dynamics. (bsd3, library, music)2015-06-301.9.0HansHoglund
music-dynamics-literal280.07Overloaded dynamics literals. (bsd3, library, music)2015-06-301.9.0HansHoglund
music-graphics70.01Diagrams-based visualization of musical data structures. (bsd3, library, music)2014-12-151.8.1HansHoglund
music-parts10.04Musical instruments, parts and playing techniques. (bsd3, library, music)2015-06-301.9.0HansHoglund
music-pitch10.06Musical pitch representation. (bsd3, library, music)2015-06-301.9.0HansHoglund
music-pitch-literal190.08Overloaded pitch literals. (bsd3, library, music)2015-06-301.9.0HansHoglund
music-preludes100.05Some useful preludes for the Music Suite. (bsd3, library, music, program)2015-06-301.9.0HansHoglund
music-score40.05Musical score and part representation. (bsd3, library, music)2015-06-301.9.0HansHoglund
music-sibelius90.01Interaction with Sibelius. (bsd3, library, music)2015-06-301.9.0HansHoglund
music-suite10.01A set of libraries for composition, analysis and manipulation of music. (bsd3, library, music)2015-06-301.9.0HansHoglund
musicScroll70.00Supply your tunes info without leaving your music player. (gpl, library, music, program)2024-03-220.3.4RubenAstudillo
musicbrainz-email (deprecated)30.01Send an email to all MusicBrainz editors (deprecated, gpl, library, musicbrainz, program)2013-04-181.0.0.0OliverCharles
musicw60.00Sound synthesis library, to be used with GHCJS and Web Audio API (bsd3, library, web)2022-03-230.3.10dktr0
musicxml30.02MusicXML format encoded as Haskell type and functions of reading and writting. (bsd3, library, music, text, xml)2009-08-040.1.2SamuelSilva
musicxml220.04A representation of the MusicXML format. (bsd3, library, music)2015-06-301.9.0HansHoglund
mustache332.010A mustache template parser library. (bsd3, development, library, program)2023-04-302.4.2justus
mustache-haskell20.01Straight implementation of mustache templates (library, mit, program, text)2014-12-110.1.0.5DanielChoi
mutable30.00Automatic piecewise-mutable references for your types (bsd3, data, library)2020-07-100.2.2.0jle
mutable-containers530.06Abstactions and concrete implementations of mutable containers (data, library, mit)2022-09-230.3.4.1MichaelSnoyman
mutable-iter (deprecated)20.02iteratees based upon mutable buffers (bsd3, data, deprecated, library)2011-04-300.6.1JohnLato
mutable-lens20.00Interoperate mutable references with regular lens (apache, data, generics, lenses, library)2020-11-250.4.1.0infinity0
mvar-lock10.01A trivial lock based on MVar (apache, concurrency, library)2023-01-280.1.0.4chris_martin
mvc40.03Model-view-controller (bsd3, concurrency, control, library)2018-08-191.1.7GabrielGonzalez
mvc-updates10.01Concurrent and combinable updates (bsd3, concurrency, control, library)2014-09-231.2.0GabrielGonzalez
mvclient20.01Client library for metaverse systems like Second Life (bsd3, library, network)2011-03-310.4ChrisSmith
mwc-probability320.014Sampling function-based probability distributions. (library, math, mit)2020-07-312.3.1JaredTobin, ocramz
mwc-probability-transition (deprecated)100.01A Markov stochastic transition operator with logging (bsd3, deprecated, library, numeric, random, science, scientific-simulation, statistical-modeling, statistics)2018-05-230.4ocramz
mwc-random1772.0123Fast, high quality pseudo random number generation (bsd2, bsd3, library, math, statistics)2025-01-180.15.2.0AlexeyKhudyakov, BryanOSullivan
mwc-random-accelerate50.01Generate Accelerate arrays filled with high quality pseudorandom numbers (accelerate, bsd3, data, library)2020-08-280.2.0.0TrevorMcDonell
mwc-random-monad112.04Monadic interface for mwc-random (bsd3, library, math, statistics)2015-05-200.7.3.1AlexeyKhudyakov
mx-state-codes50.00ISO 3166-2:MX State Codes and Names (bsd3, data, library)2019-11-221.0.0.0lysergia
mxnet20.02MXNet interface in Haskell. (library, machine-learning, mit)2017-10-220.2.0.0sighingnow
mxnet-dataiter (deprecated in favor of fei-dataiter)30.01mxnet dataiters (ai, bsd3, deprecated, library, machine-learning)2018-05-030.1.0.0JiasenWu
mxnet-nn (deprecated in favor of fei-nn)20.01Train a neural network with MXNet in Haskell. (ai, bsd3, deprecated, library, machine-learning, program)2018-05-030.0.1.3JiasenWu
mxnet-nnvm (deprecated in favor of mxnet)10.01NNVM interface in Haskell. (deprecated, library, machine-learning, mit)2017-02-100.1.0.0sighingnow
my-package-testing (deprecated)20.01spam (bsd3, deprecated, library, web)2018-02-221.0.6
my-test-docs (deprecated)00.01spam (authentication, bsd3, deprecated, library, servant, web)2018-02-221.0.12
myTestlll (deprecated)20.01None (bsd3, deprecated, library, unclassified)2015-01-111.0.0MarkSantolucito
myanimelist-export80.00Export from MyAnimeList (gpl, library, program, web)2018-07-050.3.0.0mat8913
mybitcoin-sci50.01Binding to mybitcoin.com's Shopping Cart Interface. (library, network, public-domain)2011-06-040.3DavidHimmelstrup
myers-diff60.00 (bsd3, library, unclassified)2023-11-120.3.0.0thomasjm
myo30.00Haskell binding to the Myo armband (library, mit, program, system)2015-09-130.2.0.0AlfredoDiNapoli
mysnapsession20.01Sessions and continuations for Snap web apps (bsd3, library, web)2011-10-090.4.1ChrisSmith
mysql200.014A low-level MySQL client library. (bsd3, database, library)2021-10-200.2.1BryanOSullivan, paulrouse
mysql-effect10.01An extensible mysql effect using extensible-effects and mysql-simple (database, effect, library, mit)2014-06-050.2.0.3ibotty
mysql-haskell92.58pure haskell MySQL driver (bsd3, database, library)2024-10-261.1.6winterland, Jappie
mysql-haskell-nem40.01Adds a interface like mysql-simple to mysql-haskell. (bsd3, database, library)2016-12-180.1.0.0lorenzo
mysql-haskell-openssl70.01TLS support for mysql-haskell package using openssl (bsd3, database, library)2020-11-040.8.3.1winterland, Jappie
mysql-json-table200.00Using MySQL to store id-to-json tables. (database, library, mit, program)2025-03-010.1.4.1DanielDiaz
mysql-pure (deprecated in favor of mysql-haskell)30.01pure haskell MySQL driver (bsd3, database, deprecated, library)2023-08-141.1.0Jappie
mysql-simple190.014A mid-level MySQL client library. (bsd3, database, library)2022-11-010.4.9BryanOSullivan, paulrouse
mysql-simple-quasi10.01Quasi-quoter for use with mysql-simple. (bsd3, database, library)2013-10-081.0.0.2NeilBrown
mysql-simple-typed20.01Typed extension to mysql simple (bsd3, database, library)2019-06-120.1.2.0tolysz
mystem10.00Bindings for Mystem morphological analyzer executabe (library, mit, natural-language-processing, program)2016-08-020.1.0.0wapxmas
mywork10.00Tool to keep track of what you have been working on and where. (development, library, program)2022-10-131.0.1.0KevinQuick
myxine-client30.00A Haskell client for the Myxine GUI server (gui, library, mit)2020-08-170.0.1.2kwf
mzv10.02Implementation of the "Monads, Zippers and Views" (Schrijvers and Oliveira, ICFP'11) (bsd3, control, library)2014-04-160.1.0.2IsmaelFigueroa
n-ary-functor100.01An n-ary version of Functor (data, library, public-domain)2020-01-251.0gelisam
n-m (deprecated)30.01Utility to call iwconfig. (deprecated, library, network, program)2008-09-110.0.1MarcoSilva
n-tuple60.02Homogeneous tuples of arbitrary length. (bsd3, library, unclassified)2023-09-260.0.3athanclark
n2o60.03Abstract Protocol Loop (bsd3, library, n2o, network, web)2018-11-010.11.15HT, xafizoff
n2o-nitro50.01Nitro Elements, Events and Actions (bsd3, library, n2o, network, web)2018-11-010.11.2xafizoff
n2o-protocols20.01N2O Protocols Starter Pack (bsd3, library, n2o, network, web)2018-11-010.11.2xafizoff
n2o-web20.01N2O adapter for WebSockets (bsd3, library, n2o, network, web)2018-11-010.11.2xafizoff
nagios-check80.02Package for writing monitoring plugins (library, metrics, mit, monitoring, system)2015-09-010.3.2fractalcat
nagios-config40.00EDSL to specify Nagios configuration files. (gpl, library, program, web)2019-05-260.1.0.0hverr
nagios-perfdata40.02Parse Nagios performance data. (bsd3, data, library)2015-01-250.2.2fractalcat
nagios-plugin-ekg50.00Monitor ekg metrics via Nagios (library, mit, program, system)2015-06-260.1.1.0fractalcat
nakadi-client30.01Client library for the Nakadi Event Broker (bsd3, library, network)2019-01-110.7.0.0mtesseract
namecoin-update40.00Tool to keep namecoin names updated and well (gpl, library, network, program)2022-06-120.2.3.0rnhmjoj
named162.514Named parameters (keyword arguments) for Haskell (bsd3, control, library)2024-10-270.3.0.2Artyom, int_index
named-binary-tag20.00NBT (named binary tag) serialization and deserialization. (data, library, mit)2022-10-110.1.0.0davidgarland
named-formlet60.01A simple formlet library with named formlets. (bsd3, library, web)2013-03-010.2ChrisDone
named-lock10.01A named lock that is created on demand. (bsd3, concurrency, library)2009-08-240.1ThomasSchilling
named-records70.01Flexible records with named fields. (data, library, mit, records)2013-05-260.5JulianFleischer
named-servant40.02support records and named (from the named package) parameters in servant (bsd3, library, unclassified)2021-02-010.3.1KristofBastiaensen
named-servant-client120.00client support for named-servant (bsd3, library, unclassified)2021-02-010.3.1KristofBastiaensen
named-servant-server90.00server support for named-servant (bsd3, library, unclassified)2021-02-010.3.1KristofBastiaensen
named-sop20.00Dependently-typed sums and products, tagged by field name (data, library, mit)2020-02-200.3.0.0sjsch
named-text112.01A parameterized named text type and associated functionality. (data, library)2024-09-201.2.1.0KevinQuick
namelist20.01fortran90 namelist parser/pretty printer (library, mit, text)2015-06-120.1.0HirotomoMoriwaki
names60.02Type level names. (data, library, mit, type-system)2013-04-020.3.1JulianFleischer
names-th90.07Manipulate name strings for TH (bsd3, development, library)2020-03-140.3.0.1KeiHibino
namespace40.01A Generic Haskell library for managing namespaces (bsd3, data, library)2019-01-170.1.4.1xuhao
nano-cryptr40.01A threadsafe binding to glibc's crypt_r function (bsd3, library, system)2018-10-050.2.1CarlHowells, PauloTanimoto, PauloJanrain
nano-erl82.01Small library for Erlang-style actor semantics (concurrency, library, mit)2016-01-230.1.0.1TomMurphy
nano-hmac20.02Bindings to OpenSSL HMAC. (bsd3, codec, library)2008-02-110.2.0HiteshJasani
nano-md540.09Efficient, ByteString bindings to OpenSSL. (bsd3, codec, library)2008-05-230.1.2DonaldStewart
nanocurses10.01Simple Curses binding (bsd3, library, user-interfaces)2008-05-181.5.2GwernBranwen
nanomsg20.01nanomsg - scalability protocols library (library, public-domain, system)2013-10-200.1.1DavidHimmelstrup
nanomsg-haskell100.03Bindings to the nanomsg library (library, mit, network)2019-01-160.2.4BenGamari, IvarNymoen
nanoparsec10.01An implementation of attoparsec-like parser around list-like (bsd3, library, text)2011-01-300.1.1MaciejPiechotka
nanopass40.00Create compilers using small passes and many intermediate representations. (bsd3, language, library, program)2024-01-080.0.3.0edemko
nanospec210.01A lightweight implementation of a subset of Hspec's API (library, mit, testing)2018-01-110.2.2SimonHengel
nanotime20.01a tiny time library (bsd3, library, unclassified)2024-02-200.3.2ejconlon
nanovg92.03Haskell bindings for nanovg (graphics, library)2022-08-150.8.1.0cocreature, fjvallarino
nanovg-simple10.00Simple interface to rendering with NanoVG (bsd3, graphics, library)2020-12-060.5.0.0CthulhuDen
naperian20.01Efficient representable functors (bsd3, data-structures, library)2017-08-210.1.0.0AaronVargo
naqsha20.01A library for working with anything map related. (geospatial, library, naqsha)2019-07-180.3.0.1PiyushKurur
narc20.01Query SQL databases using Nested Relational Calculus embedded in Haskell. (bsd3, database, library)2011-08-090.1.3EzraCooper
nat50.01Lazy binary natural numbers (bsd3, data, library, math)2012-08-130.3JanChristiansen
nat-optics30.00Refinement types for natural numbers with an optics interface (library, mit, numeric, optics)2025-01-211.0.1.1chris_martin, Monoid_Mary
nat-sized-numbers10.01Variable-sized numbers from type-level nats. (library, mit, numeric)2017-05-050.3.0.0oisdk
national-australia-bank40.00Functions for National Australia Bank transactions (bsd3, library, test)2024-05-230.0.11TonyMorris
nationstates102.01NationStates API client (apache, library, network, web)2015-10-290.5.0.0ChrisWong
native30.00Native library manager for Windows (bsd3, library, program, utility)2016-04-210.1.0.1darwin226
nats262.065Natural numbers (algebra, bsd3, library, numeric)2018-02-061.1.2EdwardKmett, ryanglscott
nats-client20.00Another Haskell client for NATS (https://nats.io) (bsd3, library, network, program)2018-02-180.1.0.0jpgneves
nats-queue70.01Haskell API for NATS messaging system (bsd3, library, network)2017-01-030.1.2.2ondrap, wayofthepie
natural20.01Natural number (bsd3, control, library)2021-11-300.3.0.6TonyMorris, qfpl
natural-arithmetic400.016Arithmetic of natural numbers (bsd3, library, math)2024-02-030.2.1.0andrewthad, l3c_amartin
natural-induction (deprecated)90.04Induction over natural numbers (bsd3, deprecated, library, math)2017-12-140.2.0.0
natural-number10.02Natural numbers tagged with a type-level representation of the number. (bsd3, data, library, type-system)2010-10-141.0GregoryCrosswhite
natural-numbers70.04Natural numbers (bsd3, data, library, math)2012-07-130.1.2.0WolfgangJeltsch
natural-sort102.02User-friendly text collation (algorithms, bsd3, library)2012-08-070.1.2JohnMillikin
natural-transformation302.017A natural transformation package. (bsd3, control, library)2024-10-270.4.1AndrewFarmer, AndyGill, NeilSculthorpe, ryanglscott
naturalcomp40.01Natural-order string comparison (bsd3, library, text)2014-01-070.0.3HironaoKomatsu
naturals40.01Constructors and related functions for natural numbers (bsd3, data, library)2011-08-090.2.0.2ChristopherHoward, infrared
naver-translate20.01Interface to Naver Translate (gpl, language, library)2015-10-150.1.0.2hongminhee
nbt60.02A parser/serializer for Minecraft's Named Binary Tag (NBT) data format. (bsd3, data, library)2018-01-220.7AdamFoltzer
ncurses130.05Modernised bindings to GNU ncurses (foreign, gpl, library, user-interfaces)2016-08-290.2.16tjtrabue
ndjson-conduit30.01Conduit-based parsing and serialization for newline delimited JSON. (data, library, mit)2016-09-150.1.0.5srijs
neat10.01A Fast Retargetable Template Engine (library, mit, program, text)2014-02-080.1.0ajg
neat-interpolation592.541Quasiquoter for neat and simple multiline text interpolation (library, mit, quasiqoutes, quasiquotes, string)2023-10-110.5.1.4NikitaVolkov
needle10.01ASCII-fied arrow notation (control, library, mit)2014-09-280.1.0.1ScrambledEggs
neet20.01A NEAT library for Haskell (ai, gpl, library)2016-02-120.4.0.1hijiri
neither (deprecated in favor of either, monad-control)50.07Provide versions of Either with good monad and applicative instances. (deprecated) (bsd3, data, deprecated, library)2012-05-140.3.1.1MichaelSnoyman
neither-data30.00The Neither datatype (data, library, mit)2022-03-190.2.3.4anselmschueler
neko-lib20.01Neko VM code generation and disassembly library (bsd2, build, library)2017-10-060.0.1.0ppenzin
nekos-best22.00Unofficial nekos.best API wrapper (catgirls, library, mit)2023-07-270.2.0.0xQuantx
nemesis90.02a task management tool for Haskell (bsd3, library, tools)2018-01-272018.1.27JinjingWang
nemesis-titan50.01A collection of Nemesis tasks to bootstrap a Haskell project with a focus on continuous integration (bsd3, library, web)2014-05-192014.5.19JinjingWang
neononempty20.00NonEmpty lists that look [more, like, this] (bsd3, data, library)2023-11-261.1.0414owen
neptune-backend70.01Neptune Client (bsd3, library, program, web)2021-01-010.3.0JiasenWu
nerf10.01Nerf, a named entity recognition tool based on linear-chain CRFs (bsd3, library, natural-language-processing, program)2019-12-030.5.4.1JakubWaszczuk
nero30.03Lens-based HTTP toolkit (bsd3, library, web)2015-04-160.3.1jdnavarro
nero-wai10.02WAI adapter for Nero server applications (bsd3, library, web)2015-04-120.3jdnavarro
nero-warp30.01Run Nero server applications with Warp (bsd3, library, web)2015-04-120.3jdnavarro
nest20.01 (bsd3, library, unclassified)2018-05-030.0.2MarkHibberd, lambda_foo
nested-routes120.02Declarative, compositional Wai responses (bsd3, library, web)2023-09-2810.0.0athanclark
nested-sequence10.01List-like data structures with O(log(n)) random access (bsd3, data, data-structures, library)2016-07-090.2BalazsKomuves
nested-sets30.02Nested set model implementation (data-structures, gpl, library)2014-10-110.0.1.1rakatan
nestedmap10.01A library for nested maps (bsd3, data, library)2015-06-090.1.0.3kirstin
nestedtext50.00NestedText: A Human Friendly Data Format (apache, data, library)2025-02-230.1.30y2k
net-concurrent10.01Concurrent over the network execution library (bsd3, concurrent, distributed-computing, library, network)2010-05-050.1.0PaulSonkoly
net-mqtt102.253An MQTT Protocol Implementation. (bsd3, library, network, program)2025-01-170.8.6.2dustin
net-mqtt-lens30.00Optics for net-mqtt (bsd3, library, network)2021-06-300.1.1.0dustin
net-mqtt-rpc30.00Make RPC calls via an MQTT broker. (bsd3, library, network, program)2022-03-310.2.0.1dustin
net-spider160.05A graph database middleware to maintain a time-varying graph. (bsd3, database, library)2022-01-020.4.3.7debugito
net-spider-cli30.01CLI option parsers for NetSpider objects (bsd3, database, library)2022-01-020.2.0.7debugito
net-spider-pangraph20.01Conversion between net-spider and pangraph (bsd3, database, library)2021-02-110.2.0.4debugito
net-spider-rpl60.01NetSpider data model and utility for RPL networks (bsd3, database, library)2022-01-020.4.1.5debugito
net-spider-rpl-cli10.00CLI executable of NetSpider.RPL. (bsd3, database, library, program)2022-01-020.1.3.4debugito
netclock20.02Netclock protocol (gpl, library, network)2013-07-120.6AlexMcLean
netcode-io70.00Bindings to the low-level netcode.io library. (bsd3, library, network)2021-10-090.0.3Mokosha
netcore20.01The NetCore compiler and runtime system for OpenFlow networks. (bsd3, library, network)2012-08-101.0.0ArjunGuha
netease-fm10.00NetEase Cloud Music FM client in Haskell. (bsd3, library, music, program, web)2017-01-041.2.2foreverbell
netlib-carray70.02Helper modules for CArray wrappers to BLAS and LAPACK (bsd3, library, math)2019-01-230.1HenningThielemann
netlib-comfort-array70.02Helper modules for comfort-array wrappers to BLAS and LAPACK (bsd3, library, math)2021-08-060.0.0.2HenningThielemann
netlib-ffi130.015Helper modules for FFI to BLAS and LAPACK (bsd3, library, math)2024-05-180.1.2HenningThielemann
netlines (deprecated)20.03Enumerator tools for text-based network protocols (bsd3, deprecated, library, network, program)2011-06-151.0.0ErtugrulSoeylemez, esz
netlink72.04Netlink communication for Haskell (bsd3, library, program, system)2018-03-011.1.1.0MaximTreskin, ongyerth
netlist40.04Netlist AST (bsd3, language, library)2011-10-280.3.1AndyGill, GergoErdi, PhilipWeaver
netlist-to-vhdl40.02Convert a Netlist AST to VHDL (bsd3, language, library)2018-04-060.3.3AndyGill, GergoErdi, PhilipWeaver
netpbm240.03Loading PBM, PGM, PPM image files (codec, graphics, library, mit)2021-02-281.0.4NiklasHambuechen, PatrickChilton
netrc90.02Parser for .netrc files (gpl, library, network)2024-06-250.2.0.1AndreasAbel, HerbertValerioRiedel
netrium20.00Contract normaliser and simulator (finance, library, mit, program)2018-02-010.6.0abrar
netspec10.01Simplify static Networking tasks (bsd3, library, network)2012-02-190.2.0.0DanBurton
netstring-enumerator (deprecated)40.01Enumerator-based netstring parsing (deprecated, enumerator, gpl, library, network, parsing)2012-10-200.1.1JohnMillikin
nettle110.02safe nettle binding (cryptography, library, mit)2024-02-120.3.1.1ClintAdams, stbuehler
nettle-frp10.01FRP for controlling networks of OpenFlow switches. (bsd3, library, network)2013-02-150.1.1AndreasVoellmy
nettle-netkit20.01DSL for describing OpenFlow networks, and a compiler generating NetKit labs. (bsd3, library, network)2011-12-190.2.0AndreasVoellmy
nettle-openflow (deprecated in favor of openflow)50.03OpenFlow protocol messages, binary formats, and servers. (bsd3, deprecated, library, network)2011-12-190.2.0AndreasVoellmy
netw20.00Binding to C socket API operating on bytearrays. (gpl, library, network)2024-04-300.1.1.0k355l3r5yndr0m3
netwire102.56Functional reactive programming library (bsd3, frp, library)2018-03-255.0.3ErtugrulSoeylemez, esz
netwire-input70.03Input handling abstractions for netwire (game, library, mit)2018-03-090.0.7Mokosha
netwire-input-glfw200.01GLFW instance of netwire-input (game, library, mit)2024-01-050.0.12Mokosha
netwire-input-javascript30.01JavaScript instance of netwire-input (bsd3, game, library)2016-10-080.0.2ZioCrocifisso
network4712.5991Low-level networking interface (bsd3, library, network)2024-11-273.2.7.0BryanOSullivan, DuncanCoutts, JohanTibell, KazuYamamoto, dukerutledge
network-address30.01IP data structures and textual representation (data, library, mit, network)2011-09-070.2.0SebastianNowicki
network-anonymous-i2p60.01Haskell API for I2P anonymous networking (library, mit, network)2015-03-260.10.0solatis
network-anonymous-tor70.00Haskell API for Tor anonymous networking (library, mit, network, program)2015-10-230.11.0solatis
network-api-support170.03Toolkit for building http client libraries over Network.Http.Conduit (bsd3, library, network-apis)2019-02-150.3.5MarkHibberd, novemberkilo
network-arbitrary152.01Arbitrary Instances for Network Types (library, mit, testing)2024-05-261.0.0.1alunduil
network-attoparsec110.03Utility functions for running a parser against a socket (library, mit, network, parsing)2015-03-150.12.2solatis
network-bitcoin280.05An interface to bitcoind. (bsd3, library, network)2019-12-221.9.1ClarkGaebel, MichaelHendricks, wraithm
network-bsd510.033POSIX network database (<netdb.h>) API (bsd3, library, network)2019-01-192.8.1.0HerbertValerioRiedel
network-builder20.01Linux NetworkNameSpace Builder (bsd3, library, network, program)2015-03-170.1.0junjihashimoto
network-byte-order800.09Network byte order utilities (bsd3, library, network)2023-10-120.1.7KazuYamamoto
network-bytestring (deprecated in favor of network)120.025Fast, memory-efficient, low-level networking (bsd3, deprecated, library, network)2011-01-310.1.3.4JohanTibell
network-carbon50.02A Haskell implementation of the Carbon protocol (part of the Graphite monitoring tools) (bsd3, library, unclassified)2020-12-171.0.15OliverCharles
network-conduit (deprecated in favor of conduit-extra)370.024Stream socket data using conduits. (deprecated) (bsd3, conduit, data, deprecated, library, network)2014-04-021.1.0MichaelSnoyman
network-conduit-tls350.07Create TLS-aware network code with conduits (library, mit, network)2024-06-301.4.0.1MichaelSnoyman
network-connection (deprecated)30.02A wrapper around a generic stream-like connection (bsd3, deprecated, library, network)2008-03-200.1.1AdamLangley
network-control1310.03Library to control network protocols (bsd3, library, network)2025-01-280.1.4KazuYamamoto
network-data80.02Library for network data structures and their serialization. (bsd3, data, library, network)2015-05-180.5.3ThomasDuBuisson
network-dbus20.01D-Bus (library, network)2009-10-030.0DafyddHarries
network-dns20.02Domain Name System data structures (bsd3, library, network, program)2022-09-171.1.0.2AdamLangley, MikhailVorozhtsov
network-effectful90.00Adaptation of the network library for the effectful ecosystem. (bsd3, library, network)2025-03-240.2.0.1Cajunvoodoo
network-enumerator (deprecated)90.06Enumerators for network sockets (data, deprecated, enumerator, library, mit)2012-11-250.1.5JohnMillikin
network-fancy110.04Networking support with a cleaner API (bsd3, library, network)2016-03-020.2.4MarkWotton, TaruKarttunen
network-hans20.01HaNS to Network shims for easier HaNS integration (bsd3, library, networking)2016-09-072.6.3.1AdamWick
network-house60.01data and parsers for Ethernet, TCP, UDP, IPv4, IPv6, ICMP, DHCP, TFTP (gpl, library, network)2024-12-170.1.0.3NiklasHambuechen
network-info682.2519Access the local computer's basic network configuration (bsd3, library, network)2022-01-310.2.1JacobStanley
network-interfacerequest20.02Haskell bindings for the ifreq structure (bsd3, library, network)2012-04-270.0.1AndrewMiller
network-ip320.012Internet Protocol data structures (bsd3, library, network)2019-11-080.3.0.3MikhailVorozhtsov
network-manager-tui (deprecated)30.00network-manager tui (bsd3, deprecated, library, program, tui)2019-09-161.0.0.0
network-messagepack-rpc200.01MessagePack RPC (bsd3, data-network, library)2019-11-120.1.2.0KazuYamamoto, igrep
network-messagepack-rpc-websocket80.01WebSocket backend for MessagePack RPC (bsd3, library, network)2019-11-260.1.1.1KazuYamamoto, igrep
network-metrics230.01Send metrics to Ganglia, Graphite, and statsd. (library, metrics, monitoring)2014-08-060.4BrendanHay, KimAltintop
network-minihttp (deprecated)30.01A ByteString based library for writing HTTP(S) servers and clients. (bsd3, deprecated, library, network)2008-03-200.2AdamLangley
network-msg20.02Recvmsg and sendmsg bindings. (library, network)2016-05-160.8sickmind
network-msgpack-rpc (deprecated in favor of msgpack-rpc-conduit)80.02A MessagePack-RPC Implementation (bsd3, data, deprecated, library)2020-03-080.0.6iphydf
network-multicast360.04Simple multicast library (library, network, public-domain)2019-05-280.3.2AudreyTang, ocramz
network-netpacket20.01Haskell bindings for low-level packet sockets (AF_PACKET) (bsd3, library, network)2012-04-280.0.1AndrewMiller
network-packet-linux30.00Types for working with Linux packet sockets (bsd3, library, network)2021-03-200.1.1.0rolsdorph
network-pgi20.01Library for writing PGI applications (library, web)2012-08-170.0.1HarryTerkelsen
network-protocol-xmpp320.01Client library for the XMPP protocol. (gpl, library, network)2024-01-220.5.1StephenWeber
network-rpca (deprecated)20.01A cross-platform RPC library (bsd3, deprecated, library, networking)2008-01-270.0.1AdamLangley
network-run550.04Simple network runner library (bsd3, library, network)2025-03-040.4.4KazuYamamoto
network-server30.01A light abstraction over sockets & co. for servers (library, network, program, system)2009-02-260.2.0RickKaudewitz
network-service10.01Provide a service at the data type level. (library, mit, network)2014-12-010.1.0.0angerman
network-simple330.033Simple network sockets usage patterns. (bsd3, library, network)2019-06-120.4.5RenzoCarbonara
network-simple-sockaddr20.02network-simple for resolved addresses (bsd3, library, network)2015-04-130.2jdnavarro
network-simple-tls182.03Simple interface to TLS secured network sockets. (bsd3, library, network)2023-12-120.4.2RenzoCarbonara
network-simple-ws60.02Simple interface to WebSockets. (bsd3, library, network)2023-03-260.2RenzoCarbonara
network-simple-wss60.00Simple interface to TLS secured WebSockets. (bsd3, library, network)2023-03-260.2RenzoCarbonara
network-socket-options60.02Type-safe, portable alternative to getSocketOption/setSocketOption (bsd3, library, network)2012-09-260.2.0.1JoeyAdams
network-stream20.01ByteString and Text streams for networking (data, gpl, library)2011-11-080.1.0JaredHance
network-transport710.022Network abstraction layer (bsd3, library, network)2025-02-050.5.9DuncanCoutts, EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd, JoelMcCracken
network-transport-amqp30.01AMQP-based transport layer for distributed-process (aka Cloud Haskell) (library, mit, network)2015-04-160.1.0.0AlfredoDiNapoli
network-transport-composed70.01Compose network transports (bsd3, library, network)2017-08-220.2.1FacundoDominguez, MathieuBoespflug
network-transport-inmemory110.00In-memory instantiation of Network.Transport (bsd3, library, network)2025-02-050.5.42FacundoDominguez, MathieuBoespflug, LaurentRDC, davidsd
network-transport-tcp420.012TCP instantiation of Network.Transport (bsd3, library, network)2025-02-050.8.6DuncanCoutts, EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd, JoelMcCracken
network-transport-tests200.01Unit tests for Network.Transport implementations (bsd3, library, network)2025-02-050.3.4EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd, JoelMcCracken
network-transport-zeromq (deprecated)70.01ZeroMQ backend for network-transport (bsd3, deprecated, library, network)2015-10-180.2.1.1
network-types-icmp80.00Types for representing ICMP and ICMPv6 messages. (bsd3, library, network)2021-02-191.0.1adamflott
network-udp240.01UDP library (bsd3, library, network)2023-01-260.0.0KazuYamamoto
network-unexceptional70.01Network functions that do not throw exceptions (bsd3, library, network)2025-02-110.2.1.2andrewthad, l3c_amartin
network-uri950.0360URI manipulation (bsd3, library, network)2020-01-31EzraCooper, JohanTibell
network-uri-flag40.04Pseudo-package encapsulating flag(network-uri) Cabal boilerplate (bsd3, library, network)2016-08-270.1HerbertValerioRiedel
network-uri-json30.02FromJSON and ToJSON Instances for Network.URI (library, mit, network)2020-08-280.4.0.0alunduil
network-uri-lenses (deprecated in favor of network-uri)60.00Lenses for network-uri (bsd3, deprecated, library, network)2019-03-210.2.1.0
network-uri-static30.01A small utility to declare type-safe static URIs (library, mit, network)2020-05-050.1.2.2snak
network-voicetext30.01VoiceText Web API wrapper (library, mit, network)2017-12-130.0.0.1zaneli
network-wai-router20.01A routing library for wai (library, mit, web)2014-08-150.3.0.1georgerogers42
network-wait110.00Lightweight library for waiting on networked services to become available. (library, mit, network)2022-05-120.2.0.0mbg
network-websocket40.01WebSocket library (bsd3, library, network)2010-03-190.3MichaelMelanson
networked-game10.01Networked-game support library (bsd3, library, network)2015-01-230.1.0.1EricMertens
neural42.00Neural Networks in native Haskell (library, machine-learning, mit, program)2017-07-270.3.0.1lbrunjes
neural-network-base50.02Yet Another High Performance and Extendable Neural Network in Haskell (ai, bsd3, library)2016-12-290.1.0.0JiasenWu
neural-network-blashs20.01Yet Another High Performance and Extendable Neural Network in Haskell (ai, bsd3, library)2016-12-290.1.0.0JiasenWu
neural-network-hmatrix20.01Yet Another High Performance and Extendable Neural Network in Haskell (ai, bsd3, library)2016-12-290.1.0.0JiasenWu
neuron60.00Future-proof system for plain-text notes. (agpl, library, program, web)2020-10-081.0.0.0sridca
newbase6030.00Encodes and decodes numbers using Tantek Çelik's New Base 60 number system. (data, library, mpl)2021-04-040.1.0.0astralbijection
newhope12.00Library implementing the NewHope cryptographic key-exchange protocol (apache, cryptography, library, program)2019-03-230.1.0.0jeremy
newline20.00newline specifications as values (bsd3, library, text)2023-03-050.0.2.1edemko
newsletter20.01A basic newsletter implimentation, using various backends. (bsd3, email, library, program, web)2019-05-060davean
newsletter-mailgun20.00A mailgun backend for the newsletter package. (bsd3, email, library)2019-05-060davean
newsynth180.04Exact and approximate synthesis of quantum circuits (gpl, library, program, quantum)2024-05-010.4.1.0PeterSelinger
newt20.01A trivially simple app to create things from simple templates. (bsd3, library, program, tools)2011-05-130.0.3.1RoganCreswick
newtype310.033A typeclass and set of functions for working with newtypes. (bsd3, control, library)2019-09-100.2.2.0AndreasAbel, DariusJahandarie, HerbertValerioRiedel, jcristovao
newtype-deriving60.01Instance derivers for newtype wrappers (control, library, mit, template-haskell)2016-05-020.1.4NikitaVolkov
newtype-generics802.017A typeclass and set of functions for working with newtypes (bsd3, control, library)2022-05-190.6.2jcristovao, sjakobi
newtype-th10.02A template haskell deriver to create Control.Newtype instances. (bsd3, control, library, template-haskell)2012-07-190.3.3MichaelSloan
newtype-zoo30.00Newtype Wrapper Zoo (bsd3, data, library)2020-11-301.2.1.0SvenHeyll
newtyper40.01Extra functions for the Control.Newtype typeclass (bsd3, control, library)2012-05-150.1DylanJust
next-ref10.01A concurrency primitive for a slow consumer. (bsd3, library, web)2016-10-050.1.0.2JonathanFischoff
nextstep-plist30.01NextStep style plist parser and printer (bsd3, data, library, parsing)2012-09-300.0.1JanChristiansen
nf70.02NF data type to statically enforce normal form (bsd3, data, library)2015-05-021.0.1.0EdwardYang
nfc40.01libnfc bindings (bindings, library, public-domain)2022-07-110.1.1jgalt
ngram40.00Ngram models for compressing and classifying text. (bsd3, library, machine-learning, natural-language-processing, program)2018-11-130.1.0.1TomLippincott
ngrams-loader10.01Ngrams loader based on http://www.ngrams.info format (data, library, mit, program)2014-03-250.1.0.1YorickLaupa
ngx-export700.05Helper module for Nginx Haskell module (bsd3, library, network)2024-06-041.7.10.1lyokha
ngx-export-distribution392.00Build custom libraries for Nginx Haskell module (bsd3, library, network, program)2024-12-040.6.0.1lyokha
ngx-export-healthcheck80.00Active health checks and monitoring of Nginx upstreams (bsd3, library, network)2024-03-241.6.3lyokha
ngx-export-log20.00Native Nginx logging from configuration files and Haskell handlers (bsd3, library, network)2022-12-021.5.2lyokha
ngx-export-tools190.03Extra tools for Nginx Haskell module (bsd3, library, network)2024-09-141.2.6.1lyokha
ngx-export-tools-extra660.00More extra tools for Nginx Haskell module (bsd3, library, network)2024-09-091.2.11lyokha
niagra42.01High performance CSS EDSL (data, library, mit)2017-04-120.2.5natesymer
nibblestring30.04Packed, strict nibble arrays with a list interface (ByteString for nibbles) (bsd3, data-structures, library)2015-01-020.0.3jamshid
nice-html20.01A fast and nice HTML templating library with distinct compilation/rendering phases. (library, mit, web)2018-01-150.4.1MikeLedger
nicify-lib70.03Pretty print the standard output of default `Show` instances. (library, mit, text, tools, utilities)2015-03-221.0.1JulianFleischer
nicovideo-translator60.01Nico Nico Douga (ニコニコ動画) Comment Translator (agpl, library, program, translation)2017-04-150.3.0.0hongminhee
nimber50.01Finite nimber arithmetic (bsd3, library, math)2019-03-270.1.4AndersKaseorg, PatrickHurst
nirum10.00IDL compiler and RPC/distributed object framework for microservices (gpl, language, library, program)2018-08-250.5.0hongminhee, nirum
nist-beacon90.01Haskell interface to the nist random beacon. (bsd3, library, network)2016-03-300.2.0.0bstamour
nitro10.02Haskell bindings for Nitro (bsd3, ffi, library, system)2013-07-110.2.2.5ErinDahlgren
niv100.00Easy dependency management for Nix projects (development, library, mit, program)2023-03-120.2.22nmattia
nix-delegate20.00Convenient utility for distributed Nix builds (apache, library, program, unclassified)2018-11-061.0.1GabrielGonzalez
nix-derivation180.05Parse and render *.drv files (bsd3, library, program, system)2023-11-201.1.3GabrielGonzalez
nix-diff72.01Explain why two Nix derivations differ (bsd3, library, program, system)2024-12-201.0.21GabrielGonzalez
nix-eval10.01Evaluate Haskell expressions using Nix to get packages (language, library)2019-06-280.4.1.0chriswarbo
nix-freeze-tree30.00Convert a tree of files into fixed-output derivations (agpl, application, library, nix, program)2023-12-050.1.1.0jack
nix-graph40.00Reify the Nix build graph into a Haskell graph data structure (bsd3, graphs, library, nix, program)2022-05-121.0.2.0GabrielGonzalez, evanrelf, jsoo
nix-narinfo50.02Parse and render .narinfo files (bsd3, library, nix, program)2024-03-070.1.1.1srk
nix-paths50.02Knowledge of Nix's installation directories. (bsd3, distribution, library, nix)2017-12-051.0.1PeterSimons
nix-thunk60.00Lightweight dependency management with Nix (bsd3, git, library, nix, program)2025-01-230.7.2.1RyanTrinkle, abrar, alexfmpe, maralorn, madeline_os, ymeister
nix-tools40.00cabal/stack to nix translation tools (bsd3, distribution, library, program)2019-10-130.1.0.0HamishMackenzie, angerman
nixfmt131.750An opinionated formatter for Nix (development, library, mpl)2023-10-310.6.0gromak, serokell, LarsJellema, infinisil
nixos-types (deprecated in favor of language-nix)90.01this package is obsolete; see cabal2nix instead (bsd3, deprecated, distribution, library)2012-02-161.5PeterSimons
nixpkgs-update30.01Tool for semi-automatic updating of nixpkgs repository (library, program, web)2021-08-250.3.0ryantm
nkeys10.00Nkeys ed25519 encoding for use with NATS (apache, cryptography, library)2024-04-020.0.1.1autodidaddict
nkjp20.01Manipulating the National Corpus of Polish (NKJP) (bsd3, library, natural-language-processing, program)2013-06-200.4.0JakubWaszczuk
nlopt-haskell40.02Low-level bindings to the NLOPT optimization library (bsd3, library, numeric)2018-10-030.1.3.0peddie
nlp-scores20.04Scoring functions commonly used for evaluation in NLP and IR (bsd3, library, natural-language-processing)2015-03-020.7.0GrzegorzChrupala
nm10.01Network Manager, binding to libnm-glib. (bsd3, development, library, program)2013-12-221.0.1ChrisDone
nme20.01Bindings to the Nyctergatis Markup Engine (library, text)2012-02-270.2StephenWeber
nmis-parser10.01NMIS file parser (bsd3, library, parsers, text)2018-11-210.1.0.2v0d1ch
nn30.01A tiny neural network (ai, library, mit)2018-04-060.2.0deepinside
nntp30.01Library to connect to an NNTP Server (library, network)2010-12-210.0.4MaciejPiechotka
no-buffering-workaround40.01Workaround for GHC bug #2189. (apache, console, library)2015-10-310.1.0.0arotenberg
no-recursion40.00A GHC plugin to remove support for recursion (agpl, library, recursion)2024-10-280.1.2.2sellout
no-role-annots20.01Role annotations without -XRoleAnnotations (bsd3, haskell, library)2014-06-291.1RichardEisenberg
no-value60.00A type class for choosing sentinel-like values (bsd3, data, library)2019-07-281.0.0.0ChrisDornan
noether20.00Math in Haskell. (library, math, mit, program)2017-06-250.0.1mrkgnao
noise20.01A friendly language for graphic design (library, mit, program, text)2013-05-210.0.1TomBrow
noli60.00A static site generator (library, mit, web)2020-07-240.1.1.0EndiSukaj
nom40.00Name-binding & alpha-equivalence (bsd3, compilers-interpreters, language, library)2020-08-100.1.0.2gabbay
nominal60.01Binders and alpha-equivalence made easy (compilers-interpreters, generics, gpl, language, library)2022-11-160.3.0.0PeterSelinger
nomyx-api20.00REST API for Nomyx (bsd3, game, library)2017-03-170.1.0CorentinDupont
nomyx-core20.02A Nomic game in haskell (bsd3, game, library)2017-03-171.0.0CorentinDupont
nomyx-language20.04Language to express rules for Nomic (bsd3, language, library)2017-03-131.0.0CorentinDupont
nomyx-library20.01Library of rules for Nomyx (bsd3, language, library)2017-03-171.0.0CorentinDupont
nomyx-web30.00Web gui for Nomyx (bsd3, game, library)2017-03-171.0.0CorentinDupont
non-empty110.023List-like structures with static restrictions on the number of elements (bsd3, data, library)2023-10-070.3.5HenningThielemann
non-empty-containers (deprecated in favor of nonempty-containers)20.01 (bsd3, deprecated, library, unclassified)2018-12-300.1.4.0fosskers, andrewthad
non-empty-sequence (deprecated in favor of nonempty-containers)80.02Non-empty sequence (bsd3, data, deprecated, library)2019-11-130.2.0.4OmariNorman
non-empty-text92.01Non empty Data.Text type (data, library, mit, nonempty, text)2023-12-170.2.1TrevisElser, onslaughtq, flipstone, qxjit
non-empty-zipper22.01The Zipper for NonEmpty (bsd3, data, library)2018-06-070.1.0.9fresheyeball
non-negative240.026Non-negative numbers (library, math)2018-02-160.1.2HenningThielemann
nonce131.259Generate cryptographic nonces. (bsd3, cryptography, library)2018-03-111.0.7ErikDeCastroLopo, FelipeLessa
nondeterminism102.02A monad and monad transformer for nondeterministic computations. (ai, constraints, control, failure, library, monads)2022-05-201.5AndreiBarbu
nonempty-alternative40.01NonEmpty for Alternative types (bsd3, data, library)2016-03-160.4.0guaraqe
nonempty-containers462.2510Non-empty variants of containers data types, with full API (bsd3, data-structures, library)2023-12-070.3.4.5jle
nonempty-lift10.00nonempty structure (bsd3, data, library)2019-08-130.1chessai
nonempty-vector720.06Non-empty vectors (bsd3, data, library)2024-12-300.2.4topos
nonempty-wrapper10.03Create NonEmpty version of any container (data, library)2022-06-250.1.0.0gdifolco
nonempty-wrapper-aeson20.00aeson instances for 'NonEmpty' (data, library)2022-06-260.1.0.0gdifolco
nonempty-wrapper-quickcheck20.00QuickCheck instance for 'NonEmpty' (data, library)2022-06-260.1.0.0gdifolco
nonempty-wrapper-text20.00'NonEmpty' wrappers for text (data, library)2022-06-260.1.0.0gdifolco
nonempty-zipper130.01A non-empty comonadic list zipper (data, data-structures, library, mit)2025-01-141.0.1.1PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
nonemptymap40.01A NonEmptyMap Implementation (bsd3, data-structures, library)2018-11-100.0.6.0ChristopherDavenport
nonfree40.01Free structures sans laws (debug, library, mit)2018-07-240.1.0.4ShachafBenKiki
nonlinear30.00Low-dimensional vectors (bsd3, library, web)2022-06-260.1.0jonascarpay
nonlinear-optimization370.09Various iterative algorithms for optimization of nonlinear functions. (library, math)2020-03-010.3.12.1FelipeLessa
nonlinear-optimization-ad100.01Wrapper of nonlinear-optimization package for using with AD package (algorithms, gpl, library, math, optimisation, optimization)2020-02-290.2.4MasahiroSakai
nonlinear-optimization-backprop50.00Wrapper of nonlinear-optimization package for using with backprop package (algorithms, gpl, library, math, optimisation, optimization)2020-02-290.2.4MasahiroSakai
nonnonempty20.00List with a minimum length of 2 (bsd3, library, test)2024-03-220.0.1TonyMorris
noodle10.01the noodle programming language (compilers-interpreters, library, program)2011-12-100.0.19JesseRudolph
normaldistribution110.09Minimum fuss normally distributed random values. (bsd3, library, math, statistics)2011-08-311.1.0.3BjornBuckwalter
normalization-insensitive70.01Normalization insensitive string comparison (bsd3, data, library, text, unicode)2021-03-142.0.2harendra, ppelleti
normalize30.00Normalize data using a variety of methods. (bioinformatics, gpl, library, program)2018-06-290.3.1.1GregorySchwartz
not-gloss150.04Painless 3D graphics, no affiliation with gloss (bsd3, graphics, library)2016-06-080.7.7.0GregHorn
not-in-base30.02Useful utility functions that only depend on base. (library, utility)2010-06-140.1.1OscarFinnsson
not-prelude20.00An opinionated Prelude replacement library (library, mit, prelude)2021-08-230.1.0.0erick
notcpp20.02Avoiding the C preprocessor via cunning use of Template Haskell (bsd3, library, template-haskell)2015-04-110.2.0.3BenMillwood
nothunks812.04Examine values for unexpected thunks (apache, development, library)2024-08-130.3.0.0EdskoDeVries, coot, IOHK
notifications-tray-icon60.00 (bsd3, library, program, unclassified)2021-08-010.1.1.0eyevanmalicesun
notmuch60.00Haskell binding to Notmuch, the mail indexer (ffi, gpl, library)2023-11-080.3.1.1frasertweedale, romanofski
notmuch-haskell20.01Binding for notmuch MUA library (email, foreign, library, program)2015-04-211.0.0.3BartonMassey
notmuch-web30.01A web interface to the notmuch email indexer (library, web)2013-12-170.2.0JohnLenz
notzero30.01A data type for representing numeric values, except zero. (bsd3, data, library, numeric)2018-05-310.1TonyMorris, qfpl
now-haskell20.00Zeit Now haskell-side integration and introspection tools. (library, mit, program, web)2019-08-210.1.0.0IanDuncan
nowdoc60.04Here document without variable expansion like PHP Nowdoc (bsd3, library, text)2018-09-060.1.1.0YoshikuniJujo
np-extras30.02NumericPrelude extras (bsd3, library, math)2022-05-130.3.1.3BrentYorgey
np-linear20.01Linear algebra for the numeric-prelude framework (bsd3, library, math)2014-11-240.3.0.2AriePeterson
nqe60.02Concurrency library in the style of Erlang/OTP (control, library, mit, public-domain)2023-12-060.6.5jprupp
nri-env-parser72.04Read environment variables as settings to build 12-factor apps. (bsd3, library, web)2022-02-010.1.0.8stoeffel, JasperWoudenberg, NoRedInk, michaelglass, waj, julianobs, brianhicks
nri-http32.00Make Elm style HTTP requests (bsd3, library, web)2022-11-290.3.0.0stoeffel, JasperWoudenberg, NoRedInk, michaelglass, waj, julianobs, brianhicks, adauguet
nri-kafka32.00Functions for working with Kafka (bsd3, library, web)2022-02-010.1.0.4stoeffel, JasperWoudenberg, NoRedInk, michaelglass, waj, julianobs, brianhicks
nri-observability122.254Report log spans collected by nri-prelude. (bsd3, library, web)2022-02-010.1.1.4stoeffel, JasperWoudenberg, NoRedInk, michaelglass, waj, julianobs, brianhicks
nri-postgresql42.00Make queries against Postgresql. (bsd3, library, web)2022-02-010.1.0.4stoeffel, JasperWoudenberg, NoRedInk, michaelglass, waj, julianobs, brianhicks
nri-prelude72.07A Prelude inspired by the Elm programming language (bsd3, library, web)2022-02-010.6.0.6stoeffel, JasperWoudenberg, NoRedInk, michaelglass, waj, julianobs, brianhicks, yataboom
nri-redis72.01An intuitive hedis wrapper library. (bsd3, library, web)2024-12-020.2.0.3stoeffel, JasperWoudenberg, NoRedInk, michaelglass, waj, julianobs, brianhicks
nri-test-encoding102.00A library to simplify writing golden tests for encoding types. (bsd3, library, testing)2022-03-090.1.1.3stoeffel, JasperWoudenberg, NoRedInk, michaelglass, waj, julianobs, brianhicks
nsis120.01DSL for producing Windows Installer using NSIS. (bsd3, development, library)2019-05-150.3.3NeilMitchell
nspace10.00Efficient, infinite-precision 2D and 3D spatial containers. (bsd3, data-structures, library)2024-01-010.2.0.0isovector
ntha50.00A tiny statically typed functional programming language. (bsd3, compiler, language, library, program)2016-08-270.1.3zjhsdtc
nthable30.01 (bsd3, data-structures, library)2009-02-090.1GeorgePollard
ntp-control20.01Client library for NTP control messaging (bsd3, library, network, time)2014-03-030.1GracjanPolak, MagnusCarlsson
ntrip-client (deprecated)20.00NTRIP client. (bsd3, deprecated, library, network, program)2017-02-170.1.6markfine
ntype30.01N-ary sum/product types (bsd3, data, library)2018-08-270.1.0.0int_index
nuha60.00Multidimensional arrays, Linear algebra, Numerical analysis (bsd3, library, math, numeric)2020-11-270.3.0.0jodak
null-canvas50.01HTML5 Canvas Graphics Library - forked Blank Canvas (bsd3, graphics, library)2013-06-050.2.7KrzysztofSkrzetnicki
nullary10.01A package for working with nullary type classes. (bsd2, library, type-system)2015-11-040.1.0.0DerekElkins
nullpipe20.01Initial project template from stack (bsd3, library, web)2016-05-130.1.0.0MarkWotton
num-non-negative30.00Non-negative numbers (data, library)2019-01-260.1int_index
number50.01A library for real numbers (library, math, mit)2015-09-100.1.1.0rnhmjoj
number-length50.01Number of digits in a number in decimal and hexadecimal representation. (bsd3, data, library)2018-04-150.2.1.0PeterTrsko
number-show40.01Flexible and accurate (for a given precision) numerical->string conversion (gpl, library, text)2017-02-170.1.0.0leftaroundabout
number-wall10.00Create number walls and save them as images (algorithms, graphics, image, library, math, mit)2022-09-030.1.0.3OwenBechtel
numbered-semigroups40.02A sequence of semigroups, for composing stuff in multiple spatial directions. (data, lgpl, library)2024-12-080.1.1.0leftaroundabout
numbering30.01Combinators for creating bijections from some type to the natural numbers. (bsd3, data, library)2012-03-100.2.1DanielSchuessler
numbers122.08Various number types (bsd3, data, library, math)2018-05-143000.2.0.2CarterSchonwald, DanBurton, DanielWagner, JohnWiegley, LennartAugustsson, RichardSmith, RussellOConnor
numerals30.01Convert numbers to number words (bsd3, library, natural-language-processing, numerical, text)2016-12-270.4.1RoelVanDijk
numerals-base (deprecated in favor of numerals)20.02Convert numbers to number words (bsd3, deprecated, library, natural-language-processing, numerical, text)2011-09-150.3RoelVanDijk
numeric-domains30.01Numeric Domains (bsd3, library, math)2019-12-160.1.0.0MichaelSzvetits
numeric-extras160.05Useful tools from the C standard library (bsd3, library, math)2015-09-280.1EdwardKmett, EricMertens
numeric-kinds60.02Type-level numeric types and classes (apache, library, numeric)2021-11-050.2.0AndrewPritchard
numeric-limits110.03Various floating point limit related constants. (bsd3, library, numerical)2012-05-230.1.0.0LennartAugustsson
numeric-logarithms40.00Integral and rational log2 algorithms (apache, library, numeric)2021-09-030.1.0.0AndrewPritchard
numeric-ode20.00Ode solvers (bsd3, library, math, program)2017-07-220.0.0.0DominicSteinitz
numeric-optimization30.02Unified interface to various numerical optimization algorithms (algorithms, bsd3, library, math, numeric, numerical, optimisation, optimization)2023-06-210.1.1.0MasahiroSakai
numeric-optimization-ad10.00Wrapper of numeric-optimization package for using with AD package (algorithms, bsd3, library, math, optimisation, optimization)2023-06-030.1.0.1MasahiroSakai
numeric-optimization-backprop50.00Wrapper of numeric-optimization package for using with backprop package (algorithms, bsd3, library, math, optimisation, optimization)2023-06-030.1.0.1MasahiroSakai
numeric-prelude262.032An experimental alternative hierarchy of numeric type classes (bsd3, library, math)2022-05-280.4.4HenningThielemann
numeric-qq20.02Quasi-quoters for numbers of different bases (library, mit, numeric, quasiquotes)2015-12-190.1.3NikitaVolkov
numeric-quest71.754Math and quantum mechanics (library, math)2018-02-150.2.0.2HenningThielemann
numeric-ranges20.01A framework for numeric ranges. (library, mit, numeric)2016-01-050.1.0.0NicolasDelPiano
numeric-tools40.02Collection of numerical tools for integration, differentiation etc. (bsd3, library, math, numerical)2014-03-090.2.0.1AlexeyKhudyakov
numerical30.00core package for Numerical Haskell project (bsd2, library, math)2019-01-010.0.0.0CarterSchonwald
numerical-integration90.01Numerical integration. (bsd3, library, numerical)2023-09-190.1.2.3stla
numericpeano30.03Peano numbers with attendant bells and whistles. (apache, library, math)2014-12-290.2.0.0jtapolczai, jtapolczai2
numhask142.2525A numeric class hierarchy. (bsd3, library, math)2024-10-130.12.1.0tonyday567
numhask-array110.06Multi-dimensional arrays. (bsd3, library, math)2024-07-270.11.1.0tonyday567
numhask-free20.00numerical free algebras (bsd3, library, project)2020-11-300.0.3tonyday567
numhask-hedgehog (deprecated in favor of numhask)20.00Laws and tests for numhask (bsd3, deprecated, library, mathematics)2020-05-200.4.0tonyday567
numhask-histogram (deprecated in favor of numhask-space)100.01See readme.md (bsd3, deprecated, library, project)2019-11-080.2.0tonyday567
numhask-prelude (deprecated in favor of numhask)40.08A numeric prelude (bsd3, deprecated, library, mathematics)2020-05-200.5.0tonyday567
numhask-range (deprecated in favor of numhask-space)20.02Numbers that are range representations (bsd3, deprecated, library, project)2018-06-170.2.3.1tonyday567
numhask-space110.010Numerical spaces. (bsd3, library, math)2025-01-100.13.0.0tonyday567
numhask-test (deprecated in favor of numhask-hedgehog)20.01Laws and tests for numhask (bsd3, deprecated, library, mathematics)2018-06-170.1.0.0tonyday567
nums (deprecated)40.02None (bsd3, deprecated, library, unclassified)2014-12-081.2.0
numtype40.04Type-level (low cardinality) integers. (bsd3, library, math)2016-05-101.2BjornBuckwalter
numtype-dk200.04Type-level integers, using TypeNats, Data Kinds, and Closed Type Families. (bsd3, library, math)2021-06-060.5.0.3BjornBuckwalter, dmcclean
numtype-tf50.03Type-level (low cardinality) integers, implemented using type families. (bsd3, library, math)2014-02-110.1.2BjornBuckwalter
nurbs30.01NURBS (bsd3, geometry, library, linear-algebra, math)2015-08-210.1.1.0AlexandrRuchkin
nuxeo70.00 (bsd3, library, program, system)2018-10-310.3.2apeyroux
nvfetcher80.00Generate nix sources expr for the latest version of packages (library, mit, nix, program)2024-11-210.7.0.0berberman
nvim-hs162.57Haskell plugin backend for neovim (apache, editor, library)2025-03-212.3.2.4saep
nvim-hs-contrib80.02Haskell plugin backend for neovim (apache, editor, library)2023-06-172.0.0.2saep
nvim-hs-ghcid90.01Neovim plugin that runs ghcid to update the quickfix list (apache, editor, library, program)2022-12-162.0.1.0saep
nvvm30.02FFI bindings to NVVM (bsd3, foreign, library)2023-08-150.10.0.1TrevorMcDonell, tomsmeding
nyan-interpolation62.00Flexible production-scale string interpolation library (interpolation, library, mpl, text)2023-07-120.9.2martoon, serokell
nyan-interpolation-core60.02Customize your nyan interpolator! (interpolation, library, mpl, text)2023-07-120.9.2martoon, serokell
nyan-interpolation-simple40.00Simplified lightweight interpolation (interpolation, library, mpl, text)2023-07-120.9.2martoon, serokell
nylas30.01Client for the Nylas API (api, bsd3, library, network)2015-08-240.1.1bts
nyx-game40.00A bullet-hell game made with SDL2. (apache, game, library, program)2019-11-091.0.1.0gilmi
o-clock112.59Type-safe time library. (library, mpl, program, time)2025-01-221.4.0.1int_index, gromak, vrom911, dcastro, serokell
oalg-abg10.00Finitely generated abelian groups. (algebra, bsd3, category, library, mathematics)2024-01-061.0.0.0zErichGuz
oalg-base20.01Algebraic structures on oriented entities and limits as a tool kit to solve algebraic problems. (algebra, bsd3, category, library, mathematics)2024-01-051.1.4.0zErichGuz
oanda-rest-api30.01Client to the OANDA REST API (api, bsd3, library)2017-06-130.4.1jdreaver
oasis-xrd10.01Extensible Resource Descriptor (bsd3, library, web)2018-04-071.0AlexanderBondarenko
oath20.00Composable concurrent computation done right (bsd3, concurrency, library)2023-01-030.1.1FumiakiKinoshita, HerbertValerioRiedel
oauth10a30.01Fully Automatic Luxury OAuth 1.0a headers (gpl, library, web)2016-11-160.1.0.0gatlin
oauth2-jwt-bearer10.02OAuth2 jwt-bearer client flow as per rfc7523 (bsd3, library, network)2018-11-070.0.1MarkHibberd
oauthenticated50.01Simple OAuth for http-client (library, mit, network, web)2022-03-300.3.0.0JosephAbrahamson, ibotty, dfithian
ob50.00Live in-memory sync of Obsidian Markdown notes (bsd3, library, text)2025-03-210.1.0.0sridca
obd30.00Communicate to OBD interfaces over ELM327 (gpl, hardware, library, program)2016-10-230.2.1.1hverr
obdd70.01Ordered Reduced Binary Decision Diagrams (gpl, library, logic)2024-03-150.9.0JohannesWaldmann
oberon020.01Oberon0 Compiler (language, library)2013-10-230.0.2MarcosViera
obj10.01Reads and writes obj models. (bsd3, graphics, library)2008-11-250.1.2ThomasDavie
objectid20.02Rather unique identifier for things that need to be stored (bsd3, data, library)2014-10-050.1.0.2tsuraan
objective70.03Composable objects (bsd3, control, library)2021-10-271.3FumiakiKinoshita
oblivious-transfer20.00An implementation of the Oblivious Transfer protocol in Haskell (cryptography, library)2018-11-210.1.0sdiehl
observable30.01Continuation patterns (bsd3, control, library)2018-12-100.1.5iokasimovmt
observable-sharing142.01Simple observable sharing (bsd3, data, library)2021-06-150.2.5mararon
ocaml-export40.01Convert Haskell types in OCaml types (bsd3, library, web)2019-03-170.13.0mchaver
ocap-io40.00Object capability based IO (apache, library, unclassified)2020-09-140.1.1.0isd
ochan20.00Owned channels in the Ownership Monad (bsd3, concurrency, library)2020-04-130.1.0mcgirr
ochintin-daicho60.01A module to manage payroll books for Japanese companies. (business, library, mit)2018-09-070.3.4.2arowM
octane (deprecated in favor of rattletrap)140.00Parse Rocket League replays. (deprecated, game, library, mit, program)2017-10-240.20.3fozworth
octohat30.02A tested, minimal wrapper around GitHub's API. (library, mit, network, program)2015-08-170.1.5.0jsl, stackbuilders, sestrella
octopus20.01Lisp with more dynamism, more power, more simplicity. (gpl, language, library, program)2014-04-070.0.2.1ZankokuOkuno
oculus (deprecated)20.01Oculus Rift ffi providing head tracking data (bsd3, deprecated, graphics, library)2014-01-170.1.0.2cdurham
odbc92.00Haskell binding to the ODBC API, aimed at SQL Server driver (bsd3, library, program, unclassified)2024-03-050.3.0ChrisDone, KirillZaborsky, MichaelSnoyman, psibi
odd-jobs22.250A full-featured PostgreSQL-backed job queue (with an admin UI) (bsd3, library, program, web)2020-07-070.2.2saurabhnanda
oden-go-packages20.01Provides Go package metadata. (language-tools, library, mit)2016-02-250.1.0.3owickstrom
odpic-raw20.01Oracle Database Bindings (database, ffi, library, mit, odpi-c, oracle, raw)2019-04-240.5.0leptonyu
oeis80.07Interface to the Online Encyclopedia of Integer Sequences (OEIS) (bsd3, library, math)2025-03-130.3.10.1BertramFelgenhauer, BrentYorgey, BrianLewis, niteria
oeis260.00Interface for Online Encyclopedia of Integer Sequences (OEIS). (bsd3, library, math)2024-11-071.0.923prime
off-simple20.01A parser for simplified-syntax OFF files (bsd3, graphics, library)2011-11-200.1AdamFoltzer
ofx50.03Parser for OFX data (bsd3, finance, library, program)2019-10-190.4.4.0OmariNorman
ogma-core120.00Ogma: Helper tool to interoperate between Copilot and other languages. (aerospace, library)2025-03-221.7.0IvanPerez
ogma-extra90.01Ogma: Helper tool to interoperate between Copilot and other languages. (aerospace, library)2025-03-221.7.0IvanPerez
ogma-language-c100.01Ogma: Runtime Monitor translator: C Language Frontend (aerospace, library)2025-03-221.7.0IvanPerez
ogma-language-cocospec (deprecated in favor of ogma-language-lustre)30.03Ogma: Runtime Monitor translator: CoCoSpec Language Frontend (aerospace, deprecated, library)2025-01-221.6.0IvanPerez
ogma-language-copilot90.01Ogma: Runtime Monitor translator: Copilot Language Endpoints (aerospace, library)2025-03-221.7.0IvanPerez
ogma-language-csv40.00Ogma: Runtime Monitor translator: CSV Frontend (aerospace, library)2025-03-221.7.0IvanPerez
ogma-language-fret-cs (deprecated in favor of ogma-core)100.01Ogma: Runtime Monitor translator: FRET Component Specification Frontend (aerospace, deprecated, library)2023-11-221.1.0IvanPerez
ogma-language-fret-reqs (deprecated in favor of ogma-language-jsonspec)120.01Ogma: Runtime Monitor translator: FRET Component Requirement DB Frontend (aerospace, deprecated, library)2024-01-221.2.0IvanPerez
ogma-language-jsonspec90.01Ogma: Runtime Monitor translator: JSON Frontend (aerospace, library)2025-03-221.7.0IvanPerez
ogma-language-lustre50.00Ogma: Runtime Monitor translator: Lustre Language Frontend (aerospace, library)2025-03-221.7.0IvanPerez
ogma-language-smv110.03Ogma: Runtime Monitor translator: SMV Language Frontend (aerospace, library)2025-03-221.7.0IvanPerez
ogma-language-xlsx40.00Ogma: Runtime Monitor translator: XLSX Frontend (aerospace, library)2025-03-221.7.0IvanPerez
ogma-language-xmlspec100.01Ogma: Runtime Monitor translator: XML Frontend (aerospace, library)2025-03-221.7.0IvanPerez
ogma-spec90.03Ogma: Runtime Monitor translator: JSON Frontend (aerospace, library)2025-03-221.7.0IvanPerez
ogmarkup (deprecated)41.52A lightweight markup language for story writers (deprecated, library, mit, web)2018-02-285.0lethom
ohhecs30.00An Entity-Component-Systems engine core. (agpl, game, game-engine, library)2024-07-110.0.2spacekitteh
ohloh-hs10.01Interface to the Ohloh API (bsd3, library, program, web)2012-11-290.0.2FrankThomas
oi20.01Library for purely functional lazy interactions with the outer world. (bsd3, data, library, program)2016-03-270.4.0.2NobuoYamashita
oidc-client170.05OpenID Connect 1.0 library for RP (library, mit, web)2024-01-150.8.0.0ShoKuroda
ois-input-manager10.01wrapper for OIS input manager for use with hogre (bsd3, game, graphics, library)2013-04-230.1.0.1GregHorn
okapi40.00A microframework based on monadic parsing (bsd3, library, web)2022-05-300.1.0.2rashad1030
old-locale570.0404locale library (bsd3, library, system)2014-11-211.0.0.7AustinSeipp, HerbertValerioRiedel, IanLynagh
old-time850.0238Time library (bsd3, library, system)2023-12-111.1.0.4AndreasAbel, AustinSeipp, HerbertValerioRiedel, IanLynagh
old-version20.01Basic versioning library. (development, library)2015-07-111.4.2chrisdotcode
ollama-haskell142.00Haskell bindings for ollama. (library, mit, ollama, web)2025-03-250.1.3.0tusharad
olwrapper10.01An OpenLayers JavaScript Wrapper and Webframework with snaplet-fay (bsd3, library, map, openlayers, program, snaplet-fay, web, webframework)2015-02-020.4.1tomnobleman
om-actor (deprecated in favor of om-fork)10.00Actor pattern utilities. (concurrency, deprecated, library, mit)2020-03-200.1.0.0rickowens
om-doh40.00om-doh (library, mit, unclassified)2024-08-130.1.0.3rickowens
om-elm52.01Haskell utilities for building embedded Elm programs. (library, mit, web)2024-08-132.0.0.7rickowens
om-fail10.00Monad transformer providing MonadFail. (library, mit, unclassified)2024-08-130.1.0.5rickowens
om-fork40.02Concurrency utilities. (library, mit, unclassified)2024-08-130.7.1.11rickowens
om-http160.01Http utilities. (library, mit, web)2025-02-280.5.0.0rickowens
om-http-logging (deprecated in favor of om-http)20.00om-http-logging (deprecated, library, mit, web)2020-08-120.1.0.0rickowens
om-kubernetes (deprecated in favor of kubernetes-client, haskell-kubernetes)20.00om-kubernetes (deprecated, library, mit, unclassified)2024-01-142.3.1.8rickowens
om-legion50.00Legion Framework. (library, mit, network)2024-08-136.9.0.7rickowens
om-logging20.01Opinionated logging utilities. (library, logging, mit)2024-08-131.1.0.9rickowens
om-plugin-imports60.00Plugin-based explicit import generation. (compiler-plugin, library, mit)2025-03-150.4.0.1.9.10rickowens
om-show60.06Utilities for showing string-like things. (library, mit, text)2024-08-040.1.2.10rickowens
om-socket20.01Socket utilities. (library, mit, network)2024-08-131.0.0.3rickowens
om-time30.01Misc. time utilites (library, mit, unclassified)2024-08-140.3.1.0rickowens
ombra22.01Render engine. (bsd3, graphics, library)2017-11-111.1.0.0ZioCrocifisso
omnifmt20.00A pretty-printer wrapper to faciliate ease of formatting during development. (bsd3, development, library, program)2015-12-090.2.1.1hjwylde
on-a-horse20.01"Haskell on a Horse" - A combinatorial web framework (bsd3, library, web)2013-06-030.3JasonPriestley
on-demand-ssh-tunnel20.01Program that sends traffic through SSH tunnels on-demand (library, mit, network, program)2015-02-240.1.0.6pedja
onama20.01HTML-parsing primitives for Parsec. (bsd3, data, library, text)2024-04-040.2.3.0williamyaoh
once50.02memoization for IO actions and functions (data, gpl, library)2018-12-010.4DmitryBogatov, KAction
one-line-aeson-text32.01Pretty-printing short Aeson values as text (apache, json, library, text)2024-11-070.1.0.6chris_martin
one-liner132.54Constraint-based generics (bsd3, generics, library)2022-05-232.1SjoerdVisscher
one-liner-instances110.01Generics-based implementations for common typeclasses (bsd3, library, web)2021-11-200.1.3.0jle
one-time-password50.02HMAC-Based and Time-Based One-Time Passwords (cryptography, library, mit, program)2024-04-133.0.0.0hecate
oneOfN40.02Anonymous coproduct type (data, library, public-domain)2011-08-100.1.0.1JamesCook
oneormore10.01A never-empty list type. (data, library, mit)2014-08-040.1.0.3thinkpad20
online (deprecated in favor of mealy)20.01See readme.md (bsd3, deprecated, library, project)2020-07-150.6.0
online-csv (deprecated)20.00See readme.md (bsd3, deprecated, library, project)2020-04-140.0.1tonyday567
onpartitions20.01partition lenses (bsd3, data, library)2017-07-050.1.0.0PaoloVeronelli
onu-course20.01Code for the Haskell course taught at the Odessa National University in 2012 (education, library, mit)2012-09-201RomanCheplyaka
oo-prototypes120.08Support for OO-like prototypes (data, gpl, library)2014-08-250.1.0.0DmitryIvanov, MateuszKowalczyk
oops50.02Combinators for handling errors of many types in a composable way (datacontrol, library, mit)2023-04-100.2.0.1haskellworks
oops-examples10.00Oops examples (datacontrol, library, mit)2023-04-100.2.0.0haskellworks
op20.00Common operators encouraging large-scale easy reading (apache, combinators, control, functions, library, utility)2019-12-200.4.0.0infinity0
op220.00Functions of the type `a -> a -> b` (bsd3, library, test)2024-03-210.0.3TonyMorris
opaleye332.59An SQL-generating DSL targeting PostgreSQL (bsd3, database, library)2025-01-290.10.5.0OliverCharles, ShaneOBrien, tomjaguarpaw, jophish
opaleye-classy20.01Opaleye wrapped up in classy MTL attire. (database, library, mit)2015-08-300.3.1.1BenKolera
opaleye-sqlite20.01An SQL-generating DSL targeting SQLite (bsd3, database, library)2021-01-300.0.1.1tomjaguarpaw
opaleye-textsearch20.00Text search utilities for Opaleye (agpl, database, library)2024-04-170.1.0.0cgenie
opaleye-trans160.00A monad transformer for Opaleye (bsd3, database, library, program)2021-02-040.5.2wraithm, LukeHoersten
opc-xml-da-client42.00OPC XML-DA Client (library, mit, network)2022-02-090.1.2NikitaVolkov, olf, yan_shkurinsky
open-adt20.01Open algebraic data types. (bsd3, data, library)2018-11-251.0Woehr
open-adt-tutorial20.00Open algebraic data type examples. (bsd3, data, library, program)2018-11-251.0Woehr
open-browser702.259Open a web browser from Haskell (bsd3, library, program, web)2025-03-170.3.0.1rightfold, mpilgrem
open-signals10.01A mechanism similar to checked exceptions that integrates with MTL and transformer stacks (control, library, mit)2016-04-170.1.0.3darwin226
open-symbology40.01 (bsd3, finance, library)2015-09-100.1sseveran
open-typerep50.02Open type representations and dynamic types (bsd3, dependent-types, library)2016-05-270.6.1EmilAxelsson
open-union30.04Extensible, type-safe unions. (data, library, mit, program)2018-04-200.4.0.0BenFoppa
open-witness90.01open witnesses (bsd2, data, library)2024-12-160.7AshleyYakeley
openai40.00Servant bindings to OpenAI (bsd3, library, program, unclassified)2025-01-071.0.1GabrielGonzalez
openai-hs50.00Unofficial OpenAI client (bsd3, library, web)2023-07-050.3.0.1AlexanderThiemann
openai-servant40.01Unofficial OpenAI servant types (bsd3, library, web)2023-07-050.3.0.1AlexanderThiemann
openai-servant-gen20.01Auto-generated API bindings for openai (library, mit, web)2024-03-150.1.0.1junjihashimoto
openal-ffi40.01Low-level bindings to OpenAL. (bsd3, library, sound)2021-12-220.0.1AlexanderBondarenko
openapi-petstore20.00Auto-generated openapi-petstore API Client (library, mit, web)2019-03-020.0.4.0jonschoning
openapi-typed42.250Types for OpenAPI (bsd3, library, openapi)2020-04-240.0.0.1mikesol
openapi3400.025OpenAPI 3.0 data model (bsd3, library, openapi, program, swagger, web)2023-11-203.2.4maksbotan
openapi3-code-generator120.00OpenAPI3 Haskell Client Code Generator (code-generator, library, mit, program)2021-12-110.1.0.7remo_doerig, joel_fisch
opencascade-hs52.02Thin Wrapper for the OpenCASCADE CAD Kernel (ffi, graphics, lgpl, library)2024-08-040.4.0.0josephwarren
opencc30.00OpenCC bindings (library, mit, text)2022-02-050.1.1.0ksqsf
opench-meteo20.01A Haskell implementation of the Swiss Meteo Net data API (bsd3, data, library)2019-04-060.2.0.3RolandSenn
opencog-atomspace110.01Haskell Bindings for the AtomSpace. (artificial-intelligence, library)2017-03-280.1.0.8romanT
opencv162.01Haskell binding to OpenCV-3.x (ai, bsd3, graphics, library)2018-01-010.0.2.1BasVanDijk, OliverCharles, RoelVanDijk
opencv-extra62.01Haskell binding to OpenCV-3.x extra modules (ai, bsd3, graphics, library)2018-01-010.2.0.1BasVanDijk, OliverCharles, RoelVanDijk
opencv-raw20.01Raw Haskell bindings to OpenCV >= 2.0 (ai, bsd3, library, machine-vision)2013-09-280.1.0.0acomar
opendatatable20.03A library for working with Open Data Tables (bsd2, library, web)2014-12-120.0.0FabianBergmark
opendht-hs30.00Haskell bindings for OpenDHT (gpl, library, network)2025-03-220.1.0.0sim590
openexchangerates20.01Fetch exchange rates from OpenExchangeRates.org (data, library)2013-09-070.1.0.0StephenWeber
openexr-write70.01Library for writing images in OpenEXR HDR file format. (graphics, library)2018-08-180.1.0.2pavolzetor
openflow20.01OpenFlow (library, network)2017-10-030.3.1AndreasVoellmy
opengl-dlp-stereo40.01Library and example for using DLP stereo in OpenGL (graphics, library, mit, program)2016-04-160.1.5.4BrianBush
opengl-spacenavigator80.01Library and example for using a SpaceNavigator-compatible 3-D mouse with OpenGL (graphics, library, mit, program)2016-04-160.1.5.5BrianBush
opengles32.01Functional interface for OpenGL 4.1+ and OpenGL ES 2.0+ (graphics, lgpl, library)2016-03-110.8.3capsjac
openid20.01An implementation of the OpenID-2.0 spec. (bsd3, library, network)2017-06-130.2.1.0TrevorElliott
openid-connect60.00An OpenID Connect library that does all the heavy lifting for you (bsd2, library, network)2023-02-170.2.0PeterJones
openpgp30.04Implementation of the OpenPGP message format (data, library)2013-08-100.6.1StephenWeber
openpgp-Crypto40.01Implementation of cryptography for use with OpenPGP using the Crypto library (cryptography, library)2018-05-200.6StephenWeber
openpgp-asciiarmor80.03OpenPGP (RFC4880) ASCII Armor codec (codec, data, library, mit)2019-06-300.1.2ClintAdams
openpgp-crypto-api80.02Implement cryptography for OpenPGP using crypto-api compatible libraries (cryptography, library)2013-10-190.6.3StephenWeber
opensoundcontrol-ht50.03Haskell OpenSoundControl utilities (library, sound)2014-10-310.3HenningThielemann
opensource90.01Haskell API Wrapper for the Open Source License API (library, mit, network)2018-10-120.1.1.0ClintAdams
openssh-github-keys (deprecated)20.01Fetch OpenSSH keys from a GitHub team (deprecated, library, mit, program, system)2015-04-230.1.1.0jsl, stackbuilders, sestrella
openssh-protocol30.00Haskell implementation of openssh protocol primitives. (bsd3, library, security)2019-02-080.0.1MarkHibberd
openssl-createkey30.01Create OpenSSL keypairs. (bsd3, crypto, library)2009-12-020.1TaruKarttunen
openssl-streams180.08OpenSSL network support for io-streams. (bsd3, io-streams, library, network)2020-09-071.2.3.0GregoryCollins
opentelemetry550.06 (apache, library, opentelemetry)2022-04-070.8.0DmitryIvanov, PepeIborra
opentelemetry-extra220.01 (apache, library, opentelemetry, program)2022-04-070.8.0DmitryIvanov, PepeIborra
opentelemetry-http-client30.00 (apache, library, opentelemetry)2020-03-070.2.0DmitryIvanov
opentelemetry-lightstep240.00 (apache, library, opentelemetry, program)2022-04-070.8.0DmitryIvanov, PepeIborra
opentelemetry-plugin100.00GHC plugin for open telemetry (bsd3, library, unclassified)2024-10-161.1.1GabrielGonzalez, parsonsmatt
opentelemetry-wai230.00 (apache, library, opentelemetry)2022-04-070.8.0DmitryIvanov, PepeIborra
opentheory60.012The standard theory library (formal-methods, library, mit)2015-07-241.200JoeHurd
opentheory-bits50.03Natural number to bit-list conversions (formal-methods, library, mit)2015-10-191.69JoeHurd
opentheory-byte80.01Bytes (formal-methods, library, mit)2015-10-191.128JoeHurd
opentheory-char (deprecated in favor of opentheory-unicode)20.01Unicode characters (deprecated, library, mit, program, text)2012-11-101.41JoeHurd
opentheory-divides90.02The divides relation on natural numbers (library, mit, number-theory)2015-10-191.66JoeHurd
opentheory-fibonacci60.01Fibonacci numbers (library, mit, number-theory)2015-10-191.72JoeHurd
opentheory-parser120.03Stream parsers (library, mit, parsing)2015-10-191.160JoeHurd
opentheory-prime50.02Prime natural numbers (library, mit, number-theory)2015-10-191.85JoeHurd
opentheory-primitive50.013Haskell primitives used by OpenTheory packages (formal-methods, library, mit)2015-10-191.8JoeHurd
opentheory-probability90.03Probability (formal-methods, library, mit)2015-10-191.52JoeHurd
opentheory-stream90.02Infinite stream types (library, list, mit)2015-10-191.49JoeHurd
opentheory-unicode60.02Unicode characters (library, mit, text)2015-10-191.142JoeHurd
opentok30.01An OpenTok SDK for Haskell (library, mit, web, webrtc)2018-09-070.0.5adrice727
opentracing240.06OpenTracing for Haskell (apache, library, unclassified)2025-02-250.3.0.1KimAltintop
opentracing-http-client210.00OpenTracing instrumentation of http-client (apache, library, unclassified)2025-02-250.3.0.1KimAltintop
opentracing-jaeger200.00Jaeger backend for OpenTracing (apache, library, unclassified)2025-02-250.3.0.1KimAltintop
opentracing-wai210.00Middleware adding OpenTracing tracing for WAI applications (apache, library, unclassified)2025-02-250.3.0.1KimAltintop
opentracing-zipkin-common270.02Zipkin OpenTracing Backend Commons (apache, library, unclassified)2025-02-250.3.0.1KimAltintop
opentracing-zipkin-v1190.00Zipkin V1 backend for OpenTracing (apache, library, unclassified)2025-02-250.3.0.1KimAltintop
opentracing-zipkin-v2200.00Zipkin V2 backend for OpenTracing (apache, library, unclassified)2025-02-250.3.0.1KimAltintop
opentype20.01Opentype loading and writing (bsd3, library, typography)2016-12-010.1.1KristofBastiaensen
openweathermap30.00Access data at OpenWeatherMap (library, public-domain, web)2023-01-050.3.0ip1981
operate-do20.01Simple project template from stack (library, meta, mit)2016-11-090.1.0mizunashi_mana
operational422.2522Implementation of difficult monads made easy with operational semantics. (bsd3, control, library, monads)2023-02-190.2.4.2HeinrichApfelmus
operational-alacarte70.06A version of Operational suitable for extensible EDSLs (bsd3, language, library)2016-12-070.3.1EmilAxelsson
operational-class80.01MonadProgram typeclass for the operational package (control, library, mit)2015-07-120.3.0.0srijs
operational-extra30.01Interpretation functions and simple instruction sets for operational (bsd3, library, web)2016-05-160.4andrewthad
opml30.02Representing and handling OPML subscription information. (bsd3, library, text, web)2008-07-180.4DonaldStewart
opml-conduit110.01Streaming parser/renderer for the OPML 2.0 format. (conduit, library, public-domain, text, xml)2020-08-010.9.0.0koral
opt-env-conf200.04Settings parsing for Haskell: command-line arguments, environment variables, and configuration values. (lgpl, library, unclassified)2025-03-120.9.0.0Norfair
opt-env-conf-test50.00A testing companion package for opt-env-conf (library, program, unclassified)2025-03-120.0.0.2Norfair
optics272.519Optics as an abstract interface (bsd3, data, lenses, library, optics)2023-06-220.4.2.1AdamGundry, AndresLoeh, phadej, arybczak
optics-core652.554Optics as an abstract interface: core definitions (bsd3, data, lenses, library, optics)2023-06-220.4.1.1AdamGundry, AndresLoeh, phadej, arybczak
optics-extra542.09Extra utilities and instances for optics-core (bsd3, data, lenses, library, optics)2022-05-200.4.2.1AdamGundry, AndresLoeh, phadej, arybczak
optics-operators60.00A tiny package containing operators missing from the official package. (data, lenses, library, mit, optics)2023-06-250.1.0.1qwbarch
optics-th440.010Optics construction using TemplateHaskell (bsd3, data, lenses, library, optics)2022-03-220.4.1AdamGundry, AndresLoeh, phadej, arybczak
optics-vl70.01Utilities for compatibility with van Laarhoven optics (bsd3, data, lenses, library, optics)2020-04-150.2.1AdamGundry, AndresLoeh, phadej, arybczak
optima100.02Simple command line interface arguments parser (cli, library, mit, options, parsing)2023-12-140.4.0.5NikitaVolkov
optima-for-hasql30.00Command-line arguments parsing for Hasql (command-line, hasql, library, mit, options)2022-09-010.2NikitaVolkov
optimal-blocks20.01Optimal Block boundary determination for rsync-like behaviours (bsd3, data, library, program)2015-04-070.1.0tsuraan
optimization100.01Numerical optimization (bsd3, library, math)2018-01-240.1.9BenGamari
option30.01A strict version of Maybe (data, library, mit)2016-01-020.1.0.1georgerogers42
optional20.02Using type-classes for optional function arguments (bsd3, development, library)2014-01-020.0.1TonyMorris
optional-args170.03Optional function arguments (bsd3, data, library)2018-02-141.0.2GabrielGonzalez
options120.010Powerful and easy command-line option parser (console, library, mit)2023-07-111.2.1.2chris_martin
options-time20.01Command-line option types for dates and times. (console, library, mit)2014-12-151.0.1JohnMillikin
optparse-applicative2663.0393Utilities and combinators for parsing command line options (bsd3, cli, library, options, parsing, system)2023-05-300.18.1.0PaoloCapriotti, huw
optparse-applicative-cmdline-util50.00Utility functions for working with optparse-applicative (agpl, cli, library, options, parsing, system)2024-03-180.2.1TonyZorman
optparse-applicative-simple110.01Simple command line interface arguments parser (cli, library, mit, options, parsing)2019-07-061.1.0.2NikitaVolkov
optparse-declarative102.250Declarative command line option parser (library, mit, system)2021-06-240.4.2HideyukiTanaka, kakkun61
optparse-enum60.00An enum-text based toolkit for optparse-applicative (bsd3, cli, library, options, parsing, system)2019-07-211.0.0.0ChrisDornan
optparse-generic942.533Auto-generate a command-line parser for your datatype (bsd3, library, program, system)2023-11-201.5.2GabrielGonzalez
optparse-helper10.00Helper functions for optparse-applicative. (bsd3, library, system)2016-05-290.2.1.1pharpend
optparse-simple350.010Simple interface to optparse-applicative (bsd3, library, options)2021-06-230.1.1.4ChrisDone, MichaelSnoyman
optparse-text70.02Data.Text helpers for optparse-applicative (bsd3, development, library)2016-06-260.1.1.0passy
optparse-th20.00Like `optparse-generic`, but with `TemplateHaskell` for faster builds (bsd3, library, system)2023-12-070.1.0.0parsonsmatt
optparse-version40.01 (bsd3, cli, library)2017-07-250.3.0.0shmish111
optstream10.00Command line option parsing library with a twice applicative interface (bsd3, cli, library, options, parsing)2022-04-140.1.1.0danshved
opus42.00Bindings to libopus for the Opus audio codec (bsd3, codec, library)2025-02-150.3.0.0yutotakano
opusfile50.01FFI bindings for libopusfile (bsd3, library, sound)2021-09-040.1.0.1AlexanderBondarenko
orbits72.250Types and functions for Kepler orbits. (bsd3, library, physics)2022-09-060.4.0.1jophish, expipiplus1
orc50.01Orchestration-style co-ordination EDSL (bsd3, library, program, web)2014-06-171.2.1.4TrevorElliott
orchestrate20.01An API client for http://orchestrate.io/. (apache, database, library)2015-08-170.2.0.3EricRochester
orchid10.01Haskell Wiki Library (bsd3, library, network, web)2009-04-010.0.8SebastiaanVisser
ord-adhoc50.01Creating Ord instances instantly (bsd3, data, library)2013-02-010.0.0.1FumiakiKinoshita
order-maintenance30.03Algorithms for the order maintenance problem with a safe interface (bsd3, data, library)2017-01-060.2.1.0WolfgangJeltsch
order-statistic-tree30.01Order statistic trees based on weight-balanced trees (bsd3, data, library)2018-11-020.1.1.1MZiatdinov
order-statistics40.01L-Estimators for robust statistics (bsd3, library, statistics)2014-08-220.1.1EdwardKmett
ordered30.02A definition of Posets. (library, mathematics)2011-08-020.1MiguelPagano
ordered-containers770.017Set- and Map-like types that remember the order elements were inserted (bsd3, data, library)2024-05-190.2.4DanielWagner, ryanglscott
ordering-duplicates40.00Functions for detecting duplicates (bsd3, library, test)2023-11-200.1.0TonyMorris
ordering-util10.00Utilities for Orderings (data, library, mit)2022-07-200.1.3.2anselmschueler
orderly-workers32.00Fork concurrent worker threads and produce ordered results (bsd3, concurrency, library)2019-09-090.1.0.2TomMurphy
orders50.02basic orders (bsd3, data, library)2013-08-020.1.0.0DavidDarais
ordinal40.00Convert numbers to words in different languages. (bsd3, library, number, program, utils)2024-01-180.6.0.0wvanonsem90
ordrea20.01Push-pull implementation of discrete-time FRP (frp, library, public-domain)2014-07-220.3.0.0AkioTakano
oref10.01Owned references in the Ownership Monad (bsd3, data, library)2020-04-130.0.3mcgirr
org-mode20.01Parser for Emacs org-mode files. (bsd3, data, library)2023-04-192.1.0fosskers
org-mode-lucid40.00Lucid integration for org-mode. (bsd3, library, web)2023-04-191.7.0fosskers
org-parser20.00Parser for Org Mode documents. (gpl, library, text)2023-07-180.1.0.0lvreis
orgmode10.01Org Mode library for haskell (bsd3, data, library)2015-09-160.1.0.1lally
orgmode-parse60.02A collection of Attoparsec combinators for parsing org-mode flavored documents. (bsd3, data, library)2018-10-310.3.0ParnellSpringmeyer
orgstat50.00Statistics visualizer for org-mode (gpl, library, program, unclassified)2021-04-250.1.10volhovm
origami30.01An un-SYB framework for transforming heterogenous data through folds (bsd3, data, library)2015-10-240.0.6nedervold
orion-hs60.00 (bsd3, library, unclassified)2019-04-030.1.3CorentinDupont
orizentic20.00Token-based authentication and authorization (authentication, bsd3, library, program)2017-07-190.1.0.0savannidgerinel
ormolu1130.02A formatter for Haskell source code (bsd3, development, formatting, library, program)2025-01-230.8.0.0mrkkrp
orthotope90.01Multidimensional arrays inspired by APL (array, library)2025-01-030.1.7.0LennartAugustsson
orthotope-hmatrix40.00Some algorithms from hmatrix (array, library)2022-01-180.1.2.0LennartAugustsson
orville-postgresql22.50A Haskell library for PostgreSQL (database, library, mit, postgresql)2023-10-311.0.0.0TrevisElser, onslaughtq, flipstone, qxjit
ory-hydra-client100.00Auto-generated ory-hydra API Client (library, mit, network, oauth, web)2023-06-152.1.2.1BorisLykah
ory-kratos90.00API bindings for Ory Kratos (apache, library, web)2022-06-160.0.10.0njaremko
os-release112.02/etc/os-release helpers (bsd3, library, system)2021-10-091.0.2.1yac, maerwald
os-string1642.012Library for manipulating Operating system strings. (bsd3, library, system)2024-11-172.0.7maerwald
osc20.01A library to handle messages in the OSC protocol (bsd3, library, sound)2015-05-081.0.0.2peacememories
oscpacking30.01Implements an osculatory packing (kissing circles) algorithm and display. (gpl, graphics, library)2016-08-270.3.0.0infrared
osdkeys50.01Show keys pressed with an on-screen display (Linux only) (bsd3, library, program, screencast)2014-11-010.0ChrisDone
oset30.00An insertion-order-preserving set (command-line, library, mit, program)2019-02-090.4.0.1rcook
osm-conduit20.01Parse and operate on OSM data in efficient way (bsd3, data, geography, library)2016-03-050.1.0.0przembot
osm-download50.01Download Open Street Map tiles (bsd3, library, network)2012-08-070.4ThomasDuBuisson
osv20.02Open Source Vulnerability format (bsd3, data, library)2024-05-300.1.0.0frasertweedale
osx-ar10.01Parser for OS X static archive format. (bsd3, data, library)2010-03-250.11ErikCharlebois
ot20.01Real-time collaborative editing with Operational Transformation (library, mit, text)2015-10-130.2.1.0TimBaumann
otp-authenticator20.00OTP Authenticator (a la google) command line client (bsd3, cli, library, program, security)2024-01-150.1.2.1jle
overeasy20.00A purely functional E-Graph library (bsd3, data-structures, library)2022-10-040.2.0ejconlon
overhang62.251Hang loose with your lambdas! (combinators, functions, library, mit, utility)2018-02-021.0.0jship
overload30.01Finite overloading (control, library, mit)2018-03-080.1.0.5darwin226
overloaded42.00Overloaded pragmas as a plugin (bsd3, library, plugin)2021-04-240.3.1phadej
overloaded-records72.01Overloaded Records based on current GHC proposal. (bsd3, data, library)2016-08-170.4.2.0PeterTrsko
overture (deprecated in favor of flow)30.01An alternative to some of the Prelude. (deprecated, library, mit, prelude)2015-03-310.0.5fozworth
owoify-hs20.00Turn any English text into nonsensical babyspeaks. (library, mit, text)2023-12-081.1.0.0tetsuki_syu1315
pa-error-tree30.02Collect a tree of errors and pretty-print (bsd3, data, library, possehl-analytics)2024-09-040.1.1.0Profpatsch
pa-field-parser10.01“Vertical” parsing of values (bsd3, data, library, possehl-analytics)2024-09-040.3.1.0Profpatsch
pa-json40.00Our JSON parsers/encoders (bsd3, data, library, possehl-analytics)2024-09-040.4.0.0Profpatsch
pa-label10.01Labels, and labelled tuples and enums (GHC >9.2) (bsd3, data, library, possehl-analytics)2024-09-040.1.2.0Profpatsch
pa-prelude20.05The Possehl Analytics Prelude (bsd3, data, library, possehl-analytics)2024-09-040.3.0.0Profpatsch
pa-pretty20.00Some pretty-printing helpers (bsd3, data, library, possehl-analytics)2023-06-060.1.1.0Profpatsch
pa-run-command10.00Helper functions for spawning subprocesses (bsd3, data, library, possehl-analytics)2023-06-190.1.0.0Profpatsch
pack10.01Bidirectional fast ByteString packer/unpacker (bsd3, data, library)2015-02-250.4.0capsjac
package-description-remote50.01Fetches a 'GenericPackageDescription' from Hackage (library, mit, web)2015-11-280.2.0.0yamadapc
package-o-tron (deprecated)20.01Utilities for working with cabal packages and your package database (bsd3, deprecated, development, library, program)2012-10-050.1.0.0JakeWheat
package-version30.00A package for retrieving a package's version number. (bsd3, development, library)2024-08-120.4tbidne
packcheck112.01Universal build and CI testing for Haskell packages (bsd3, ci, library, testing)2025-02-180.7.1harendra
packdeps160.01Check your cabal packages for lagging dependencies. (bsd3, distribution, library, program)2020-07-270.6.0.0MichaelSnoyman
packed20.01 (bsd3, library, unclassified)2018-03-070.1.0andrewthad
packed-data20.00 (bsd3, data, library, program)2025-01-220.1.0.1ArthiChaud
packed-dawg20.01Generation and traversal of highly compressed directed acyclic word graphs. (bsd3, data, library)2015-10-280.2.0.8AndrasKovacs
packed-multikey-map30.01Efficient “spreadsheet table” like maps with multiple marginals (data, gpl, library)2017-09-290.1.0.0leftaroundabout
packedstring (deprecated in favor of bytestring)40.08(Deprecated) Packed Strings. (bsd3, deprecated, library, unclassified)2008-11-160.1.0.1IanLynagh
packer50.07Fast byte serializer and unserializer (bsd3, data, library)2015-10-130.1.9VincentHanquez
packer-messagepack30.01MessagePack Serialization an Deserialization for Packer (bsd3, data, library)2017-10-220.2.0.0mtesseract
packman30.02Serialization library for GHC (bsd3, data, ghc, library, serialization)2018-01-190.5.0JostBerthold
packstream40.00PackStream converter for Neo4j BOLT protocol (bsd3, data, library)2021-05-270.1.0.2zmactep
pact-time120.00Time Library for Pact (bsd3, data, library, system)2024-07-010.3.0.1larsk
padKONTROL20.01Controlling padKONTROL native mode (bsd3, library, unclassified)2013-06-100.1FumiakiKinoshita
paddle30.00API to the Paddle payment processor (library, mit, web)2020-12-140.1.0.0domenkozar
padic20.00Fast, type-safe p-adic arithmetic (library, math, mit, number-theory)2022-02-030.1.0.0samsergey
pads-haskell10.01PADS data description language for Haskell. (language, library, mit)2019-06-100.1.0.0KarlCronburg
pagarme (deprecated)20.01Pagarme API wrapper (deprecated, library, mit, program, web)2015-03-170.1.0.0diogob
pager100.02Open up a pager, like 'less' or 'more' (bsd2, data, library, program, system, text)2015-05-160.1.1.0pharpend
pagerduty50.01Client library for PagerDuty Integration and REST APIs. (library, monitoring, network, pagerduty)2016-09-180.0.8BrendanHay
pagerduty-hs50.00An interface to the PagerDuty API. (api, bsd3, library)2024-04-060.3.0.0dustin
pagination70.01Framework-agnostic pagination boilerplate (bsd3, data, library)2021-03-060.2.2mrkkrp
pagure70.00Pagure REST client library (gpl, library, network)2024-05-060.2.1JensPetersen
pagure-hook-receiver (deprecated)20.01Receive hooks from pagure and do things with them (bsd2, deprecated, library, web)2015-06-120.1.0.0RickyElrod
paint20.01Colorization of text for command-line output (library, program, text)2020-02-222.0.0lovasko
pairing22.02Bilinear pairings (cryptography, library, mit)2020-04-281.1.0sdiehl
palette180.010Utilities for choosing and creating color schemes. (bsd3, data, library)2024-12-190.3.0.4BrentYorgey, jeffreyrosenbluth, bergey
palindromes60.01Finding palindromes in strings (algorithms, bsd3, library, program)2012-12-280.4JohanJeuring
pam50.02Haskell binding for C PAM API (authentication, bsd3, library, system)2020-07-010.2.0.0EvgenyTarasov, chris_martin, OscarH
pan-os-syslog40.00Parse syslog traffic from PAN-OS (bsd3, library, network, program)2025-03-110.2.0.0andrewthad
panda (deprecated in favor of bamboo)50.01A simple static blog engine (deprecated, library, web)2009-03-312009.4.1JinjingWang
pandoc10783.091Conversion between markup formats (gpl, library, text)2025-03-163.6.4JohnMacFarlane
pandoc-builder-monadic40.00A monadic DSL for building pandoc documents (bsd3, library, text)2023-11-261.1.1414owen
pandoc-citeproc (deprecated in favor of citeproc)1292.03Supports using pandoc with citeproc (bsd3, deprecated, library, program, text)2020-08-020.17.0.2JohnMacFarlane
pandoc-columns20.00A pandoc filter that provides a Markdown extension for columns. (bsd3, library, program, text)2023-03-170.2.0.5AmyDeBuitleir
pandoc-crossref490.01Pandoc filter for cross-references (gpl, library, program, text)2025-03-220.3.18.2lierdakil
pandoc-csv2table40.00Convert CSV to Pandoc Table Markdown (library, mit, program, text)2021-03-141.0.9baig, vmandela
pandoc-dhall-decoder40.00Decodes pandoc to dhall. (bsd3, dhall-pandoc, library)2020-10-310.1.0.1locallycompact
pandoc-emphasize-code130.00A Pandoc filter for emphasizing code in fenced blocks (documentation, library, mpl, program)2020-08-300.3.0owickstrom
pandoc-filter-indent20.00Pandoc filter formatting Haskell code fragments using GHC lexer. (bsd3, library, program, text)2021-09-290.3.2.0MichalGajda
pandoc-highlighting-extensions (deprecated)40.00Syntax highlighting customization for Pandoc (deprecated, library, mit, text)2019-02-081.0.0.0chris_martin, Monoid_Mary
pandoc-include30.01Include other Markdown files (library, mit, program, text)2015-12-080.0.1steindani
pandoc-include-code92.02A Pandoc filter for including code from source files (documentation, library, mpl, program)2019-12-241.5.0.0owickstrom
pandoc-include-plus20.00Pandoc filter to include files, with image path and heading level adjustment. (bsd3, library, program, text)2023-03-170.1.2AmyDeBuitleir
pandoc-lens32.01Lenses for Pandoc documents (bsd3, library, text)2020-04-030.7.0BenGamari
pandoc-linear-table20.00A pandoc filter that provides a Markdown extension to wrap text in table cells. (bsd3, library, program, text)2023-03-170.2.0.5AmyDeBuitleir
pandoc-link-context60.01Extract "contextual links" from Pandoc (bsd3, library, text)2023-11-201.4.1.0sridca
pandoc-logic-proof10.00A pandoc filter that provides a Markdown extension for logic proofs. (bsd3, library, program, text)2023-03-170.2.0.4AmyDeBuitleir
pandoc-lua-engine720.01Lua engine to power custom pandoc conversions (gpl, library, text)2025-03-160.4.1.1JohnMacFarlane
pandoc-lua-marshal1010.02Use pandoc types in Lua (foreign, library, mit)2024-12-070.3.0JohnMacFarlane, tarleb
pandoc-markdown-ghci-filter20.00Pandoc-filter to evaluate `code` section in markdown and auto-embed output. (documentation, filter, library, mit, program, text)2019-07-060.1.0.0gdevanla
pandoc-plantuml-diagrams60.00Render and insert PlantUML diagrams with Pandoc (library, mit, program, text)2021-02-040.1.1.0thriqon
pandoc-plot182.00A Pandoc filter to include figures generated from code blocks using your plotting toolkit of choice. (gpl, library, program, text)2024-09-271.9.1LaurentRDC
pandoc-pyplot (deprecated in favor of pandoc-plot)212.00A Pandoc filter to include figures generated from Python code blocks (deprecated, documentation, gpl, library, program)2019-12-022.3.0.1LaurentRDC
pandoc-query20.00Pandoc filter to extract only the links. (gpl, library, text)2023-11-171.0.0AmyDeBuitleir
pandoc-server530.00Pandoc document conversion as an HTTP servant-server (gpl, library, text)2024-12-080.1.0.10JohnMacFarlane
pandoc-sidenote120.01Convert Pandoc Markdown-style footnotes into sidenotes (commandline, library, mit, program)2023-05-250.23.0.0jez
pandoc-symreg10.00A tool to convert symbolic regression expressions into different formats. (gpl, library, math, program, text)2023-06-250.2.1.3olivetti
pandoc-throw60.02MonadThrow behaviour for Pandoc. (library, mit, text)2020-09-050.1.0.0locallycompact
pandoc-types1492.575Types for representing a structured document (bsd3, library, text)2023-08-061.23.1JohnMacFarlane
pandoc-utils40.00Utility functions to work with Pandoc in Haskell applications. (library, mit, text)2020-05-250.7.1Krasjet
pandocz20.00Lenses for Pandoc (bsd3, data, library)2024-07-270.0.2TonyMorris
pandora110.01A box of patterns and paradigms (control, data, library, mit)2022-05-290.5.6iokasimovmt
pandora-io50.00... (control, data, library, mit)2022-04-160.5.4iokasimovmt
panfiguration20.00Merge environment variables and command line options generically (apache, library, unclassified)2022-09-060.0FumiakiKinoshita
pango1130.024Binding to the Pango text rendering engine. (graphics, lgpl, library)2025-03-200.13.12.0AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie
pangraph40.02A set of parsers for graph languages and conversions to graph libaries. (bsd3, data-structures, graphs, library, parser)2018-10-050.2.1thisiswhereitype
panhandle10.00Pandoc filter to unwrap nested blocks (library, program, public-domain, text)2017-09-210.3.0.0chriswarbo
panic180.07A convenient way to panic. (development, library)2018-06-190.4.0.1IavorDiatchki
panpipe10.00Pandoc filter to execute code blocks (library, program, public-domain, text)2017-05-170.2.0.0chriswarbo
pansite20.00Pansite: a simple web site management tool (library, mit, program, web)2018-04-280.2.0.0rcook
pantry382.01Content addressable Haskell package management (bsd3, development, library)2024-03-270.10.0MichaelSnoyman, borsboom, fpcomplete, mpilgrem
pantry-tmp (deprecated in favor of pantry)20.01Content addressable Haskell package management (bsd3, deprecated, development, library)2019-06-130.1.0.0MichaelSnoyman, borsboom, fpcomplete
papa40.06Reasonable default import (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-base30.01Prelude with only useful functions (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-base-export10.04Prelude with only useful functions (bsd3, library, prelude)2018-04-060.4TonyMorris, qfpl
papa-base-implement40.03Useful base functions reimplemented (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-bifunctors80.01Prelude with only useful functions (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-bifunctors-export40.03export useful functions from `bifunctors`. (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-bifunctors-implement50.03useful `bifunctors` functions reimplemented (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-export (deprecated in favor of papa)20.02Reasonable default import (bsd3, deprecated, library, prelude)2017-01-170.2.1TonyMorris
papa-implement (deprecated in favor of papa)40.02Reasonable default import (bsd3, deprecated, library, prelude)2017-01-180.2.2TonyMorris
papa-include (deprecated in favor of papa)20.02Third party libraries (bsd3, deprecated, library, prelude)2016-09-090.1.0TonyMorris
papa-lens40.01Prelude with only useful functions (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-lens-export30.03export useful functions from `lens`. (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-lens-implement40.03useful `lens` functions reimplemented (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-prelude (deprecated in favor of papa)20.02Prelude with only useful functions (bsd3, deprecated, library, prelude)2016-09-090.1.1TonyMorris
papa-prelude-core (deprecated in favor of papa)10.02Prelude with only useful functions (bsd3, deprecated, library, prelude)2016-09-010.0.1TonyMorris
papa-prelude-lens (deprecated in favor of papa)20.02Prelude with only useful functions (bsd3, deprecated, library, prelude)2016-09-010.0.1TonyMorris
papa-prelude-semigroupoids (deprecated in favor of papa)30.02Prelude with only useful functions (bsd3, deprecated, library, prelude)2016-09-080.0.2TonyMorris
papa-prelude-semigroups (deprecated in favor of papa)20.02Prelude with only useful functions (bsd3, deprecated, library, prelude)2016-09-080.0.2TonyMorris
papa-semigroupoids40.01Prelude with only useful functions (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-semigroupoids-export50.03export useful functions from `semigroupoids`. (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-semigroupoids-implement100.03useful `semigroupoids` functions reimplemented (bsd3, library, prelude)2017-10-110.3.1TonyMorris, qfpl
papa-x40.01Prelude with only useful functions (bsd3, library, prelude)2017-10-110.3.1qfpl
papa-x-export30.02export useful functions. (bsd3, library, prelude)2017-10-110.3.1qfpl
papa-x-implement60.02useful functions reimplemented (bsd3, library, prelude)2017-10-110.3.1qfpl
papillon52.06packrat parser (bsd3, library, parsing, program)2019-10-240.1.1.1YoshikuniJujo
paprika20.00The Haskell library and examples for the kids programming robot paprika (bsd3, library, program, system)2016-09-050.1.0.2tkmsm
par-dual10.00ParDual class for Parallel <-> Sequential (apache, library)2020-05-060.1.0.0gvolpe
par-traverse30.00Traverse a directory in parallel (bsd3, concurrent, directory, library, parallel, system)2020-04-240.2.1.0vmchale
para20.01Text paragraph formatting (bsd3, library, text)2010-01-191.1KevinQuick
paragon30.01Paragon (bsd3, language, library, program)2012-07-110.1.28NiklasBroberg
parallel812.0206Parallel programming library (bsd3, control, library, parallelism)2018-07-133.2.2.0AustinSeipp, BenGamari, HerbertValerioRiedel, IanLynagh, SimonMarlow, wz1000, konsumlamm, hecate
parallel-io70.024Combinators for executing IO actions in parallel on a thread pool. (bsd3, concurrency, library)2021-06-030.3.5MaxBolingbroke
parallel-tasks20.01 (bsd3, library, unclassified)2014-08-094.0.1.0NeilBrown
parallel-tree-search70.02Parallel Tree Search (concurrency, control, library, public-domain)2020-10-260.4.2SebastianFischer, nbu
parameterized230.02Parameterized/indexed monoids and monads using only a single parameter type variable. (bsd3, control, library)2017-12-170.5.0.0louispan
parameterized-data80.03Parameterized data library implementing lightweight dependent types (bsd3, data, library)2016-07-080.1.6AlfonsoAcosta, HoseinAttarzadeh, ugeorge, ingo
parameterized-utils602.013Classes and data structures for working with data-kind indexed types (bsd3, data-structures, dependent-types, library)2025-03-202.1.10.0KevinQuick, RobertDockins, ryanglscott, galoisinc, mccleeary, sauclovian_g
parametric-functor40.02A known-parametric Functor typeclass (apache, data, library)2024-01-150.1.1.0shlevy
paramtree60.01Generate labelled test/benchmark trees from sets of parameters (benchmarking, bsd3, development, library, testing)2023-07-130.1.2MerijnVerstraaten
paranoia20.00http proxy server (library, mit, program, web)2016-05-010.1.0.0troydm
parco (deprecated in favor of parser-combinators)30.03Generalised parser combinators (bsd3, deprecated, library, parsing)2013-11-270.1TroelsHenriksen
parco-attoparsec (deprecated in favor of parser-combinators)30.01Generalised parser combinators - Attoparsec interface (bsd3, deprecated, library, parsing)2013-11-270.1TroelsHenriksen
parco-parsec (deprecated in favor of parser-combinators)20.01Generalised parser combinators - Parsec interface (bsd3, deprecated, library, parsing)2013-11-270.1TroelsHenriksen
parcom-lib10.01A simple parser-combinator library, a bit like Parsec but without the frills (bsd3, library, text)2015-07-080.8.0.3TobiasDammers
pareto10.01A library for cause-effect relationships. (bsd3, library, math)2016-10-190.2.0.0bwe
pareto-front10.00Monoids for dealing with Pareto efficiency (bsd3, library, math)2022-02-090.1.0.1quick_dudley
paripari60.00Parser combinators with fast-path and slower fallback for error reporting (library, mit, program, text)2020-06-170.7.0.0minad
park-bench70.00A quick-and-dirty, low-friction benchmark tool with immediate feedback (benchmarking, bsd3, library)2023-10-110.1.1.0mitchellwrosen
parochial20.00Help Manage project specific documentation (agpl, development, documentation, library, program)2021-01-030.2.0.0filterfish
parport30.01Simply interfacing the parallel port on linux (hardware, library)2008-05-170.0.0RickKaudewitz
parquet-hs40.00Streaming Parquet reader (bsd3, compression, library)2019-12-140.1.0.0yigitozkavci
parsable20.02Parsable and Printable classes (agpl, library, text)2025-02-110.1.0.0hololeap
parsable-test20.00Test functions for the parsable package (agpl, library, testing)2025-02-110.1.0.0hololeap
parse22.00Simple way to parse strings with Python-like format strings. (bsd3, library, parser)2021-12-110.1.0.0moonsheep
parse-dimacs30.04DIMACS CNF parser library (bsd3, library, parsing)2012-10-011.3DenisBueno
parse-gcstats30.00Parse machine-readable GHC GC stats. (bsd3, data, library)2020-06-300.1.0.0MateuszKowalczyk
parse-help30.01generate command line arguments from a --help output (bsd3, console, library)2012-03-050.0GregWeber
parseargs52.03Parse command-line arguments (bsd3, console, library, program)2019-02-070.2.0.9BartonMassey
parsec1792.75939Monadic parser combinators (bsd2, library, parsing)2025-01-053.1.18.0AntoineLatter, HerbertValerioRiedel, phadej
parsec-class100.02Class of types that can be constructed from their text representation (library, mit, text)2024-01-291.0.1.0PeterSimons
parsec-extra20.03Some miscellaneous basic string parsers. (bsd3, library, parsing)2016-11-160.2.0.0AriePeterson
parsec-free20.01Parsec API encoded as a deeply-embedded DSL, for debugging and analysis (library, mit, text)2023-03-193.1.11.7JohnWiegley
parsec-numbers170.06Utilities for parsing numbers from strings (bsd3, library, parsing)2014-09-050.1.0ChristianMaeder
parsec-numeric60.02Parsec combinators for parsing Haskell numeric types. (library, parsing)2017-01-070.1.0.0andrewrademacher
parsec-parsers (deprecated in favor of parsers)10.01Parsing instances for Parsec (bsd3, deprecated, library, parsing, text)2013-11-050.2DagOdenhall, EdwardKmett
parsec-permutation130.01Applicative permutation parser for Parsec intended as a replacement for Text.Parsec.Perm. (bsd3, library, parsing)2013-03-080.1.2.0SamuelHoffstaetter
parsec-pratt20.00Pratt Parser combinator for Parsec (library, mit, program, text)2016-08-020.1.1jh3141
parsec-tagsoup40.01Parsec parsers for Tagsoup tag streams (library, public-domain, xml)2011-12-300.1PepeIborra
parsec-trace30.01Add a hierarchical trace to Parsec parsers. (library, mit, parsing)2015-11-040.0.0.2sleepomeno
parsec-utils20.01Utility functions and combinators for Text.Parsec (bsd3, library, parsing)2012-11-060.1.0.0RemcoNiemeijer
parsec150.03Portable monadic parser combinators (bsd3, library, parsing)2021-06-221.0.0.8ChristianMaeder
parsec220.03Monadic parser combinators (bsd3, library, parsing)2015-11-171.0.1AntoineLatter
parsec320.09Monadic parser combinators (bsd3, library, parsing)2015-02-161.0.1.8ChristianMaeder
parsec3-numbers60.03Utilities for parsing numbers from Char sequences (bsd3, library, parsing)2014-09-050.1.0ChristianMaeder
parsedate50.05Data and time parsing for CalendarTime (bsd3, library, unclassified)2007-12-063000.0.0BjornBringert, IsaacJones
parseerror-eq10.01Adds and Eq instance for Parsec's ParseError if needed (library, mit, text)2015-04-230.1.0.1jsl, sestrella
parsek40.04Parallel Parsing Processes (gpl, library, parsing)2020-10-201.0.4.0JeanPhilippeBernardy
parsely10.01 (bsd3, library, parsing)2007-07-150.1SamuelBronson
parser-combinators930.075Lightweight package providing commonly useful parser combinators (bsd3, library, parsing)2021-02-061.3.0HerbertValerioRiedel, mrkkrp
parser-regex112.00Regex based parsers (bsd3, library, parsing)2025-03-150.2.0.2meooow
parser-unbiased-choice-monad-embedding90.00Parsing library with unbiased choice and support for embedding arbitrary monad (bsd3, library, parsing)2024-06-020.0.1.0safinaskar
parser24110.01An interface to create production rules using augmented grammars (bsd3, library, parser)2015-10-230.1.0.2YLiLarry
parsergen40.01TH parser generator for splitting bytestring into fixed-width fields (bsd3, data, library)2014-11-200.2.0.7AkioTakano, JasperVanDerJeugt, JohnLato, MichaelBaikov
parsers1152.2585Parsing combinators (bsd3, library, parsing, text)2024-10-260.12.12EdwardKmett, EricMertens, ryanglscott
parsers-megaparsec40.02`parsers` instances for Megaparsec (bsd3, library, parsing, text)2023-04-050.1.0.2qfpl
parsestar30.01NMR-STAR file format parser. (bsd3, data, library, program)2014-11-031.5MichalGajda
parsimony (deprecated)30.02Monadic parser combinators derived from Parsec (bsd3, deprecated, library, parsing)2012-02-061.3IavorDiatchki
parsix20.01Parser combinators with slicing, error recovery, and syntax highlighting (bsd3, library, parsing)2020-03-010.2.2.1OlleFredriksson
parsley32.251A fast parser combinator library backed by Typed Template Haskell (bsd3, library, parsing)2023-08-202.0.0.1j_mie6
parsley-core42.252A fast parser combinator library backed by Typed Template Haskell (bsd3, library, parsing)2023-08-202.3.0.0j_mie6
parsley-garnish12.250A collection of GHC plugins to work with parsley (bsd3, library, plugin)2021-06-121.0.0.0j_mie6
parsnip20.00A fast, minimal parser (graphics, library)2021-03-240EdwardKmett
partage10.01Parsing factorized (bsd3, library, natural-language-processing)2016-03-160.1.0.1JakubWaszczuk
partial40.01A nullary type class for partial functions (control, library, mit)2017-11-281.0.0.0PhilFreeman
partial-handler70.02A composable exception handler (error-handling, exceptions, failure, library, mit)2018-02-121.0.3NikitaVolkov
partial-isomorphisms220.04Partial isomorphisms. (bsd3, control, library)2024-05-250.2.4.0TillmannRendel, schernichkin
partial-lens (deprecated in favor of data-lens)20.01Haskell 98 Partial Lenses (comonads, control, deprecated, library, mit)2011-12-210.0.1RussellOConnor
partial-order280.03Provides typeclass suitable for types admitting a partial order (bsd3, data, library)2020-03-080.2.0.0mtesseract
partial-records10.00Template haskell utilities for constructing records with default values (bsd3, data, library)2019-10-220.2.2.1mniip
partial-semigroup292.02A partial binary associative operator (algebra, apache, library)2023-06-260.6.0.2chris_martin, Monoid_Mary
partial-semigroup-hedgehog212.01Property testing for partial semigroups using Hedgehog (algebra, apache, library, testing)2023-06-260.6.0.15chris_martin, Monoid_Mary
partial-semigroup-test (deprecated in favor of partial-semigroup-hedgehog)140.01Testing utilities for the partial-semigroup package (algebra, apache, deprecated, library, testing)2018-09-280.4.0.1chris_martin
partial-uri40.01Datatype for passing around unresolved URIs. (library, web)2014-12-290.2StephenWeber
partialord240.01Data structure supporting partial orders (bsd3, data-structures, library)2025-03-020.0.3jcranch
partly20.01Inspect, create, and alter MBRs. (bsd3, filesystem, library, program, system)2012-12-111.0.0.2TimDixon
paseto20.00Platform-Agnostic Security Tokens (cryptography, library, mit)2024-10-270.1.1.1intricate
passage10.01Parallel code generation for hierarchical Bayesian modeling. (bsd3, code-generation, library, statistical-modeling)2011-10-130.1CarterSchonwald, ChadScherrer
passman12.00a simple password manager (lgpl, library, program, security)2023-05-020.3.1.1jlamothe
passman-core20.00Deterministic password generator core (gpl, library, password)2018-09-270.2.0.1mat8913
password282.254Hashing and checking of passwords (bsd3, data, library)2024-11-103.1.0.1cdepillabout, nideco
password-instances132.00typeclass instances for password package (bsd3, data, library)2021-03-073.0.0.0cdepillabout, nideco
password-types130.04Types for handling passwords (bsd3, data, library)2021-03-071.0.0.0cdepillabout, nideco
passwords20.01Password generation/validation library (cryptography, library, mit)2015-04-140.1.0.6mkulkin
pasta (deprecated)10.01PostgreSQL Abstract Syntax Tree Assember (bsd3, deprecated, library, web)2017-09-280.1.0.3diogob
pasta-curves22.00Provides the Pasta curves: Pallas, Vesta and their field elements Fp and Fq. (cryptography, elliptic-curves, library, mit, program)2022-08-310.0.1.0eschorn
pastis40.01Interface to the past.is URL shortening service (bsd3, library, web)2011-09-260.1.2AlpMestanogullari
patat202.01Terminal-based presentations using Pandoc (gpl, library, program, text)2025-03-100.14.2.0JasperVanDerJeugt
patch230.04Data structures for describing changes to other data structures. (bsd3, frp, library)2025-01-190.0.8.4JohnEricson, RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
patch-combinators40.03A library for patching functions and data structures (bsd3, data, library)2013-10-290.2.2EmilAxelsson
patches-vector10.01Patches (diffs) on vectors: composable, mergeable, and invertible. (bsd3, data, library)2016-11-290.1.5.4LiamOConnorDavis
path662.0132Support for well-typed paths (bsd3, filesystem, library, system)2024-08-110.9.6ChrisDone, danilo2, Norfair, mrkkrp, joehillen, sjakobi
path-binary-instance70.01Binary instance for Path. (filesystem, library, mit)2020-08-280.1.0.1locallycompact
path-dhall-instance40.04ToDhall and FromDhall instances for Path. (filesystem, library, mit)2020-10-110.2.1.0locallycompact
path-extensions70.01Enumeration of common filetype extensions for use with the path library. (filesystem, library, mit)2020-07-070.1.1.0locallycompact
path-extra80.03URLs without host information (bsd3, filesystem, library, system, web)2023-10-020.3.1athanclark
path-formatting40.01Formatting for path (library, media, mit)2021-07-170.1.0.0locallycompact
path-io612.075Interface to ‘directory’ package for users of ‘path’ (bsd3, filesystem, library, system)2024-05-201.8.2mrkkrp
path-like80.02PathLike, FileLike and DirLike type classes for the Path library. (filesystem, library, mit)2020-08-280.2.0.2locallycompact
path-pieces410.044Components of paths. (bsd3, library, web, yesod)2015-10-280.2.1MichaelSnoyman
path-sing20.00A singleton wrapper for the `path` library. (dependent-types, filesystem, library, mpl, system)2023-09-180.1.0.0YamadaRyo
path-tagged12.00A wrapper around the @path@ library, tagged with semantic name. (bsd3, filesystem, library, system)2024-03-050.1.0.0HiromiIshii
path-text-utf852.51Read and write UTF-8 text files (apache, filesystem, library, text)2023-06-260.0.2.0chris_martin
path-tree20.01`Data.Tree` for file paths (data-structures, library, mit)2022-04-030.2.0.0sridca
path-utils60.03Handful of simple utility functions for the path library. (filesystem, library, mit)2020-09-280.1.1.0locallycompact
pathfinding20.01pathfinding in grid and graphs (algorithm, library, mit)2015-04-130.1.0.0rvion
pathfindingcore10.01A toy pathfinding library (bsd3, demo, library)2018-03-051.3.0TheBizzle
pathological-bytestrings60.00Pathological ByteStrings for testing (bsd3, bytestring, io, library, testing)2020-01-310.1.0.0vmchale
paths60.04Library for representing and manipulating type-safe file paths (bsd3, library, system)2018-04-180.2.0.0HerbertValerioRiedel
pathtype90.05Type-safe replacement for System.FilePath etc (bsd3, library, system)2024-02-030.8.1.3BenMoseley, HenningThielemann
pathwalk90.05Path walking utilities for Haskell programs (library, mit, system)2015-10-280.3.1.2chadaustin, Xena
patience200.05Patience diff and longest increasing subsequence (algorithms, bsd3, library, text)2019-07-290.3KeeganMcAllister, chessai
patrol120.00Sentry SDK (exceptions, library, mit)2025-02-021.0.0.9fozworth
pattern-arrows92.02Arrows for Pretty Printing (combinators, library, mit, pretty-printer, text)2014-03-290.0.2PhilFreeman
pattern-matcher30.00A library for compiling pattern-matching to decision trees (bsd3, language, library)2019-06-190.1.0.1GuerricChupin
pattern-trie20.02Pattern tries (data, library, mpl)2020-05-240.1.1romanb
patterns30.01Common patterns in message-oriented applications (library, message-oriented-middleware, network, zeromq)2013-08-260.1.1TobiasSchoofs
pava70.00Greatest convex majorants and least concave minorants (gpl, library, math, statistics)2022-07-100.1.1.4dschrempf
paymill40.01This is an unofficial client for the Paymill API (bsd3, library, unclassified)2014-06-220.0.0darthdeus
paynow-zw20.00A Haskell wrapper for the Paynow payment gateway (bsd3, library, payments)2022-12-280.1.0.0trevorsibanda
paypal-adaptive-hoops (deprecated)170.01Client for a limited part of PayPal's Adaptive Payments API (deprecated, library, mit, program, web)2015-12-110.13.1.0fanjam
paypal-api20.01PayPal API, currently supporting "ButtonManager" (bsd3, library, network)2012-07-230.2StephenBlackheath
paypal-rest-client30.01A client to connect to PayPal's REST API (v1) (library, mit, network)2016-12-300.1.0meoblast001
pb-next (deprecated)30.00Utility CLI for working with protobuf files (bsd3, deprecated, library, program, web)2017-03-200.1.0.0bgwines
pbc4hs (deprecated)30.01pbc for HsLua (bsd3, deprecated, library, system)2014-02-240.1.1.5DavidFeng
pbkdf30.06Haskell implementation of the PBKDF functions from RFC-2898. (bsd3, cryptography, library)2013-11-231.1.1.1ChrisDornan
pcap100.06A system-independent interface for user-level packet capture (bsd3, library, network)2012-08-300.4.5.2BryanOSullivan, NicholasBurlett
pcap-conduit50.01Conduit <-> libpcap (bsd3, development, library, network)2012-08-080.1AustinSeipp
pcap-enumerator (deprecated)30.01Convert a pcap into an enumerator. (bsd3, deprecated, enumerator, library, network)2014-09-080.5KatsutoshiItoh
pcapng10.00 (bsd3, library, program, unclassified)2020-11-070.1.0.0MichalGajda
pcd-loader50.01PCD file loader. (bsd3, graphics, library, program, robotics)2013-02-260.3.0.1AnthonyCowley
pcf10.01A one file compiler for PCF (compiler, library, mit)2015-04-030.1.0.1jozefg
pcf-font22.01PCF font parsing and rendering library. (bsd3, graphics, library)2022-04-220.2.2.1mswan
pcf-font-embed20.01Template Haskell for embedding text rendered using PCF fonts. (bsd3, graphics, library)2018-02-270.1.2.0mswan
pcg-random220.03Haskell bindings to the PCG random number generator. (bsd3, library, system)2023-04-300.1.4.0cchalmers
pcgen20.01A fast, pseudorandom number generator. (apache, library, random)2017-07-052.0.1Lokathor
pcre-heavy162.517A regexp (regex) library on top of pcre-light you can actually use. (library, public-domain, web)2022-10-161.0.0.3valpackett
pcre-less (deprecated)40.01Nicer interface to regex-pcre. (bsd3, deprecated, library, text)2010-10-110.2.1
pcre-light510.034Portable regex library for Perl 5 compatible regular expressions (bsd3, library, text)2025-02-160.4.1.3DanielDiaz, DonaldStewart
pcre-light-extra20.01pcre-light extra functionality (bsd3, library, text)2010-12-040.0.0SteffenSiering
pcre-utils150.05Perl-like substitute and split for PCRE regexps. (bsd3, library, text)2023-01-310.1.9SimonMarechal
pcre2140.01Regular expressions via the PCRE2 C library (included) (apache, library, text)2025-01-062.2.2SShuck
pcubature20.00Integration over convex polytopes (gpl, integration, library, numeric)2024-05-080.2.0.0stla
pdc60.01Fedora Product Definition Center service (library, mit, network)2021-12-270.1.1JensPetersen
pdf-slave30.01Tool to generate PDF from haskintex templates and YAML input (bsd3, library, program, web)2017-06-291.3.2.0NCrashed
pdf-slave-server20.00Web service for pdf-slave tool (bsd3, library, program, web)2017-07-060.1.2.0NCrashed
pdf-slave-template10.01Template format definition for pdf-slave tool (bsd3, library, web)2017-06-291.2.1.0NCrashed
pdf-toolbox-content350.02A collection of tools for processing PDF files (bsd3, library, pdf)2024-05-180.1.2YurasShumovich
pdf-toolbox-core262.04A collection of tools for processing PDF files. (bsd3, library, pdf)2024-05-290.1.3YurasShumovich
pdf-toolbox-document280.02A collection of tools for processing PDF files. (bsd3, library, pdf)2024-05-290.1.4YurasShumovich
pdfinfo150.02Wrapper around the pdfinfo command. (bsd3, library, text)2015-04-131.5.4ChrisDone
pdftotext40.00Extracts text from PDF using poppler (bsd3, library, pdf, program, text)2020-12-010.1.0.1geyaeb
pdynload20.01pdynload is polymorphic dynamic linking library. (development, gpl, library, other)2010-07-300.0.3AndyStewart
peakachu40.01Experiemental library for composable interactive programs (bsd3, frp, library)2015-05-280.3.1YairChuchem
peano370.011Peano numbers (bsd3, data, library, math)2023-10-230.1.0.2AndreasAbel
peano-inf40.01Lazy Peano numbers including observable infinity value. (bsd3, data, library)2008-12-050.6.5PeterDivianszky
pec20.01pec embedded compiler (bsd3, language, library, program)2012-03-310.2.3BrettLetner
pecoff30.01Parser for PE/COFF format. (bsd3, data, library)2010-03-250.11ErikCharlebois
pedersen-commitment (deprecated in favor of elliptic-curve)30.01An implementation of Pedersen commitment schemes (cryptography, deprecated, library, mit)2018-04-240.2.0sdiehl
pedestrian-dag30.04A pedestrian implementation of directed acyclic graphs (bsd3, data, data-structures, library)2018-09-190.2.0JakubWaszczuk
peggy20.04The Parser Generator for Haskell (bsd3, language, library)2013-01-300.3.2HideyukiTanaka, darkf
pell10.01Package to solve the Generalized Pell Equation. (algorithms, library, math, mit, number-theory)2019-11-120.1.3.0lbrunjes
pem560.036Privacy Enhanced Mail (PEM) format reader and writer. (bsd3, data, library)2018-03-020.2.4VincentHanquez
pencil20.00Static site generator (bsd3, library, web)2019-05-311.0.1elben
penn-treebank30.01Tools for manipulating the Penn TreeBank (bsd3, library, natural-language-processing, parsing)2009-06-200.1.0.1EricKow
penntreebank-megaparsec30.00Parser combinators for trees in the Penn Treebank format (bsd3, library, natural-language-processing, parsing)2020-05-140.2.0twotrees12
penny30.01Extensible double-entry accounting system (bsd3, console, finance, library)2014-04-170.32.0.10OmariNorman
penrose30.01Create beautiful diagrams just by typing mathematical notation in plain text. (library, mit, program, unclassified)2019-07-020.1.1.1wodeni
peparser20.01A parser for PE object files. (bsd3, data, library)2011-09-290.21IanGraves
percent-encoder20.00Percent encode/decode ByteStrings (bsd3, library, network)2020-07-100.0.0.0dnmfarrell
percent-format92.01simple printf-style string formatting (bsd3, library, testing)2023-07-060.0.4rudymatela
perceptron10.01The perceptron learning algorithm. (bsd3, library, machine-learning)2014-04-230.1.0.3StefanHoldermans
perceptual-hash172.00Find duplicate images (application, bsd3, commandline, images, library, program)2023-11-070.1.4.7vmchale
perdure20.01Robust persistence for acyclic immutable data (database, library, program)2012-09-260.2.1PatrickPremont
peregrin30.01Database migration support for use in other libraries. (database, library, mit)2023-08-070.4.2BardurArantsson
perf222.01Performance methods and monad. (bsd3, library, performance, program)2025-02-060.14.0.2tonyday567
perf-analysis (deprecated in favor of perf)10.00analysis example using perf (bsd3, deprecated, library, performance, program)2020-05-210.3.0tonyday567
perfect-hash-generator212.250Perfect minimal hashing implementation in native Haskell (apache, data-structures, embedded, library, program)2022-06-271.0.0kostmo
perfect-vector-shuffle90.00Library for performing vector shuffles (bsd3, library, program, random, vector)2024-06-110.1.1.2callanmcgill
perfecthash20.01A perfect hashing library for mapping bytestrings to values. (bsd3, data, data-structures, library)2016-05-020.2.0MarkWotton
perhaps12.01Perhaps, a monad (bsd2, data, library)2018-04-240EdwardKmett
period40.00Parse and format date periods, collapse and expand their text representations. (bsd3, library, program, text)2018-08-030.1.0.7alkar
periodic10.00A reliable at-least-once periodic job scheduler backed by redis. (library, program, web)2016-07-140.1.0.0DanielPatterson
periodic-client20.00Periodic task system haskell client. (bsd3, library, system, web)2020-10-261.1.7.2Lupino
periodic-common30.02Periodic task system common. (bsd3, library, system, web)2020-08-091.1.7.0Lupino
periodic-polynomials70.00A library for working with periodic polynomials (very basic functionality) (library, math, mit)2020-06-260.2.0.0OleksandrZhabenko
periodic-server30.00Periodic task system haskell server (bsd3, library, program, system, web)2020-08-091.1.7.1Lupino
perm30.01permutation Applicative and Monad with many mtl instances (bsd3, control, library)2012-11-110.4.0.0AndySonnenburg
permutation90.05A library for permutations and combinations. (bsd3, data-structures, library, math)2015-01-200.5.0.5PatrickPerry, spacekitteh
permutations (deprecated in favor of Fin)20.01Permutations of finite sets (bsd3, deprecated, library, math)2018-05-140.1.0.0
permute (deprecated in favor of parser-combinators)10.03Generalised permutation parser combinator (bsd3, deprecated, library, parsing)2011-09-221.0TroelsHenriksen
persist30.04Minimal serialization library with focus on performance (bsd3, data, library, parsing)2020-05-140.1.1.5minad
persist-state20.00Serialization library with state and leb128 encoding (bsd3, data, library, parsing)2020-06-210.2.0.0minad
persistable-record750.011Binding between SQL database values and haskell records. (bsd3, database, library)2023-12-020.6.0.6KeiHibino
persistable-types-HDBC-pg320.01HDBC and Relational-Record instances of PostgreSQL extended types (bsd3, database, library)2018-06-270.0.3.5KeiHibino
persistent6172.5154Type-safe, multi-backend data serialization. (database, library, mit, yesod)2025-03-212.15.0.1FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-audit40.00Parses a Persist Model file and produces Audit Models (bsd3, database, library, persistent, program, yesod)2016-09-080.2.0.0mchaver
persistent-cereal30.01Helper functions for writing Persistent instances (database, library, public-domain)2014-01-140.1.0DaniilFrumin
persistent-database-url32.01Parse DATABASE_URL into configuration types for Persistent (database, library, mit)2016-04-221.1.0jferris, jsteiner
persistent-discover120.00Persistent module discover utilities (bsd3, library, program, web)2023-10-040.1.0.7parsonsmatt
persistent-documentation112.00Documentation DSL for persistent entities (apache, database, library)2024-09-100.1.0.5parsonsmatt
persistent-equivalence20.01Persistent equivalence relations (aka union-find) (bsd3, data, library)2011-10-010.3ChrisSmith
persistent-event-source (deprecated in favor of persistent-eventsource)40.00Persistent based event sourcing. (database, deprecated, library, mit)2023-01-180.1.0Jappie
persistent-eventsource20.00Persistent based event sourcing. (database, library, mit)2023-01-200.2.0Jappie
persistent-generic60.00Derive Persistent classes generically (bsd3, database, library)2020-04-020.1.0.0DavidJohnson
persistent-hssqlppp20.01Declare Persistent entities using SQL SELECT query syntax (bsd3, database, library)2011-10-310.1IlyaPortnov
persistent-instances-iproute (deprecated in favor of persistent-iproute)70.01Persistent instances for types in iproute (bsd3, database, deprecated, library)2015-07-230.1.0.1sickmind
persistent-ip30.00Code for using the ip package with yesod (bsd3, library, web)2024-07-090.6.0Jappie
persistent-iproute30.01Persistent instances for types in iproute (bsd3, database, library)2020-11-080.2.5sickmind, MaxGabriel
persistent-lens50.00lens helpers for persistent. (database, library, mit)2022-01-261.0.0Jappie
persistent-map (deprecated in favor of tbox)80.01A thread-safe (STM) persistency interface for finite map types. (concurrency, deprecated, library, middleware)2009-08-060.3.5PeterRobinson
persistent-migration80.02Manual migrations for the persistent library (bsd3, database, library)2021-09-290.3.0brandonchinn178
persistent-mongoDB840.04Backend for the persistent library using mongoDB. (database, library, mit)2024-09-132.13.1.0GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt, aschmois
persistent-mysql770.04Backend for the persistent library using MySQL database server. (database, library, mit, yesod)2023-12-072.13.1.5FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-mysql-haskell180.00A pure haskell backend for the persistent library using MySQL database server. (database, library, mit, program, yesod)2019-12-280.6.0naushadh
persistent-mysql-pure60.00A pure haskell backend for the persistent library using MySQL database server. (database, library, mit, program, yesod)2023-08-301.0.2Jappie
persistent-odbc80.02Backend for the persistent library using ODBC (database, library, mit, yesod)2021-01-280.2.1.1gbwey
persistent-pagination112.00Efficient and correct pagination for persistent or esqueleto queries. (bsd3, database, library)2020-12-010.1.1.2parsonsmatt
persistent-parser60.01Parse persistent model files (bsd3, database, library, persistent, yesod)2016-11-170.1.0.2mchaver
persistent-postgresql2312.029Backend for the persistent library using postgresql. (database, library, mit, yesod)2024-07-192.13.6.2FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-postgresql-streaming50.01Memory-constant streaming of Persistent entities from PostgreSQL (bsd3, conduit, database, library)2021-10-200.1.0.0isaac_supercede
persistent-protobuf40.01Template-Haskell helpers for integrating protobufs with persistent. (bsd3, database, library)2012-08-080.1.5MichaelStone
persistent-qq140.01Provides a quasi-quoter for raw SQL for persistent (database, library, mit, yesod)2023-10-042.12.0.6MichaelSnoyman, parsonsmatt
persistent-ratelimit70.01A library for rate limiting activities with a persistent backend. (database, library, mit)2017-05-110.3.0.0jp_rider
persistent-redis170.01Backend for persistent library using Redis. (bsd3, database, library)2024-07-192.13.0.2MichaelSnoyman, PavelRyzhov, psibi, MaxGabriel, parsonsmatt
persistent-refs30.01Haskell references backed by an IntMap for persistence and reversibility. (bsd3, data, library)2015-04-140.4AdamFoltzer
persistent-relational-record90.01relational-record on persisten backends. (bsd3, database, library)2019-03-200.3.0TakahiroHimura
persistent-spatial70.00Database agnostic, spatially indexed type for geographic points. (database, geography, library, mit)2019-01-260.1.0.0gtsteel
persistent-sql-lifted120.01Monad classes for running queries with Persistent and Esqueleto (database, library, mit)2025-03-260.4.1.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
persistent-sqlite2680.030Backend for the persistent library using sqlite3. (database, library, mit, yesod)2023-12-072.13.3.0GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-stm20.00STM transactions involving persistent storage (bsd3, database, library)2022-07-210.1.0.2ChrisSmith
persistent-template1710.048Type-safe, non-relational, multi-backend persistence. (database, library, mit, yesod)2021-03-302.12.0.0FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-template-classy40.01Generate classy lens field accessors for persistent models (bsd3, database, lens, library, yesod)2021-05-300.2.0k_bx
persistent-test340.01Tests for Persistent (database, library, mit, yesod)2022-04-122.13.1.3MichaelSnoyman, MaxGabriel, parsonsmatt
persistent-typed-db102.00Type safe access to multiple database schemata. (bsd3, library, web)2022-08-110.1.0.7parsonsmatt
persistent-vector92.03A persistent sequence based on array mapped tries (bsd3, data, library)2020-10-290.2.0TristanRavitch
persistent-zookeeper60.03Backend for persistent library using Zookeeper. (bsd3, database, library)2014-11-260.2.0ikehara, junjihashimoto
persona20.01Persona (BrowserID) library (agpl, library, web)2016-03-280.2.0.0frasertweedale
peyotls72.02Pretty Easy YOshikuni-made TLS library (bsd3, library, network)2015-10-020.1.6.10YoshikuniJujo
peyotls-codec30.01Codec parts of Pretty Easy YOshikuni-made TLS library (bsd3, library, network)2015-10-19YoshikuniJujo
pez10.01A Pretty Extraordinary Zipper library (bsd3, data, library)2012-01-280.1.0BrandonSimmons
pfile30.00CLI program for profiles management. (bsd3, filesystem, library, program)2024-07-260.1.0.1is
pg10.01Mid-level PostgreSQL client library (bsd3, database, library)2017-01-23charmander
pg-entity40.00A pleasant PostgreSQL layer (database, library, mit)2023-12-230.0.4.4hecate
pg-extras22.00PostgreSQL database performance insights. (database, library, mit)2020-11-290.0.1pawurb
pg-harness (deprecated in favor of tempgres-client)20.01REST service and library for creating/consuming temporary PostgreSQL databases (agpl, database-testing-web, deprecated, library, program)2015-05-090.2.1BardurArantsson
pg-harness-client (deprecated in favor of tempgres-client)90.01Client library for pg-harness-server (bsd2, database-testing-web, deprecated, library)2019-02-150.6.0BardurArantsson
pg-query20.00Parse PostgreSQL DDL and DML: Haskell bindings for libpg_query (bsd3, data, database, library)2024-11-180.0.1.1rhizomic
pg-recorder20.00Initial project template from stack (bsd3, library, program, web)2017-07-250.2.0.0diogob
pg-store22.01Simple storage interface to PostgreSQL (bsd3, database, library)2017-12-100.5.0vapourismo
pg-transact60.05A postgresql-simple transaction monad (bsd3, library, web)2021-06-270.3.2.0JonathanFischoff, hecate
pgf220.00Bindings to the C version of the PGF runtime (language, lgpl, library)2021-05-031.3.0JohnCamilleri
pgm70.01Pure Haskell implementation of PGM image format (bsd3, graphics, library)2014-06-050.1.4FrederickRoss, SergeyAstanin
pgp-wordlist110.02Translate between binary data and a human-readable collection of words. (bsd3, data, library, serialization)2019-05-170.1.0.3quchen
pgsql-simple (deprecated in favor of postgresql-simple)10.02A mid-level PostgreSQL client library. (bsd3, database, deprecated, library)2013-03-050.1.2ChrisDone
pgstream (deprecated)20.01Streaming Postgres bindings (bsd3, deprecated, finance, library)2015-05-140.1.0.3sdiehl
pgvector70.00pgvector support for Haskell (database, library, mit)2025-03-070.1.1ankane
phantom-state270.02Phantom State Transformer. Like State Monad, but without values. (bsd3, control, library)2025-03-010.2.1.5DanielDiaz
phasechange30.01Freezing, thawing, and copy elision (bsd3, data, library)2012-06-300.1GaborLehel
phaser20.01Incremental multiple pass parser library. (bsd3, library, text)2024-08-251.0.2.0quick_dudley
phash20.01Haskell bindings to pHash, the open source perceptual hash library (data, gpl, library)2017-03-230.0.6MichaelXavier
phatsort20.00FAT filesystem sort utility (library, mit, program, utils)2023-05-280.6.0.0TravisCardwell
phizzle30.01Library for checking if a given link is in a phishtank json file (gpl, library, phishing)2015-10-240.1.0.2bmcg
phkdf30.01Toolkit for self-documenting password hash and key derivation functions. (apache, cryptography, library)2025-01-200.1.0.0LeonSmith
phladiprelio-general-datatype310.03Extended functionality of PhLADiPreLiO (language, library, math, mit, music, sound)2024-04-080.10.1.0OleksandrZhabenko
phladiprelio-general-shared50.01A shared by different general implementations of the PhLADiPreLiO functionality. (data, language, library, math, mit)2024-01-300.1.2.0OleksandrZhabenko
phladiprelio-general-simple350.00A generalized functionality of PhLADiPreLiO for different languages that uses hash algorithms. (PhLADiPreLiO, language, library, math, mit, music)2024-04-100.20.0.2OleksandrZhabenko
phladiprelio-rhythmicity-shared40.03Allows to estimate some kind of the rhythmicity properties for the text (language, library, math, mit, music)2023-03-130.1.0.0OleksandrZhabenko
phladiprelio-tests20.02Common for Ukrainian and general data for test mode. (language, library, mit)2023-08-140.1.0.0OleksandrZhabenko
phladiprelio-ukrainian-shared130.01A shared by different Ukrainian implementations of the PhLADiPreLiO functionality. (data, language, library, math, mit)2024-04-080.5.0.2OleksandrZhabenko
phladiprelio-ukrainian-simple830.00A PhLADiPreLiO implementation for Ukrainian that uses hashes and asynchronous concurrency. (PhLADiPreLiO, language, library, math, mit, music, program)2024-04-100.20.2.2OleksandrZhabenko
phone-metadata (deprecated)20.01Phonenumber Metadata - NOTE: this is now deprecated! (data, deprecated, library)2016-06-230.0.1.5vijayanant, raghuugare
phone-numbers100.01Haskell bindings to the libphonenumber library (bsd3, data, library)2019-10-110.2.0ChristianMarie
phone-push20.01Push notifications for Android and iOS (bsd3, library, network-apis)2013-05-220.1.3DavidFendrich
phonetic-code50.02Phonetic codes: Soundex and Phonix (bsd3, library, natural-language-processing, text)2014-09-220.1.1.1BartonMassey
phonetic-languages-basis80.011A basics of the phonetic-languages (PhLADiPreLiO-related) functionality. (game, language, library, math, mit)2023-01-300.3.0.0OleksandrZhabenko
phonetic-languages-common60.03A generalization of the uniqueness-periods-vector-common package. (language, library, mit)2020-11-260.1.2.0OleksandrZhabenko
phonetic-languages-constaints (deprecated in favor of phonetic-languages-constraints)120.00Constraints to filter the needed permutations (deprecated, language, library, math, mit, phonetic-languages)2020-11-120.3.0.0OleksandrZhabenko
phonetic-languages-constraints120.02Constraints to filter the needed permutations (language, library, math, mit)2020-11-260.4.0.0OleksandrZhabenko
phonetic-languages-constraints-array380.05Constraints to filter the needed permutations (language, library, math, mit, phonetic-languages)2024-01-270.8.0.0OleksandrZhabenko
phonetic-languages-examples190.00A generalization of the uniqueness-periods-vector-examples functionality. (Ukrainian, game, language, library, math, mit, phonetic-languages, program)2021-02-020.7.0.0OleksandrZhabenko
phonetic-languages-filters-array130.02Allows to change the structure of the function output. (RealFrac, data, filters, library, mit)2023-01-310.6.0.0OleksandrZhabenko
phonetic-languages-general40.00A generalization of the uniqueness-periods-vector-general functionality. (language, library, mit, phonetic-languages)2020-11-260.3.0.1OleksandrZhabenko
phonetic-languages-permutations90.01Commonly used versions of the phonetic-languages-common package (game, language, library, math, mit, phonetic-languages)2020-11-200.2.0.0OleksandrZhabenko
phonetic-languages-permutations-array (deprecated in favor of aftovolio)190.06Permutations and universal set related functions for the phonetic-languages series (deprecated, game, language, library, math, mit, phonetic-languages)2024-01-230.5.0.0OleksandrZhabenko
phonetic-languages-phonetics-basics330.05A library for working with generalized phonetic languages usage. (game, language, library, math, mit, phonetic-languages, phonetics, program, writing-systems)2024-01-300.11.0.0OleksandrZhabenko
phonetic-languages-plus10.03Some common shared between different packages functions. (game, language, library, math, mit, phonetic-languages, program)2023-02-020.7.1.0OleksandrZhabenko
phonetic-languages-properties160.01A generalization of the uniqueness-periods-vector-properties package. (Ukrainian, language, library, mit, phonetic-languages)2021-02-020.4.0.0OleksandrZhabenko
phonetic-languages-rhythmicity450.09Allows to estimate the rhythmicity properties for the text (coherency, data, game, language, library, math, mit, phonetic-languages, polyrhythmicity, rap)2023-03-150.11.0.2OleksandrZhabenko
phonetic-languages-simplified-base210.010A basics of the phonetic-languages functionality that can be groupped. (game, language, library, math, mit, phonetic-languages)2024-03-080.9.0.0OleksandrZhabenko
phonetic-languages-simplified-common160.04A simplified version of the phonetic-languages-functionality (game, language, library, math, mit, phonetic-languages)2020-12-050.4.0.0OleksandrZhabenko
phonetic-languages-simplified-examples-array780.00Helps to create Ukrainian texts with the given phonetic properties. (PhLADiPreLiO, Ukrainian, game, language, library, math, mit, phladiprelio, phonetic-languages, program, prosodic-languages, prosody, rumba, syllables)2022-09-130.21.0.0OleksandrZhabenko
phonetic-languages-simplified-examples-common350.01Some commonly used by phonetic-languages-simplified* series functions. (Ukrainian, game, language, library, math, mit, phonetic-languages)2023-03-150.6.2.0OleksandrZhabenko
phonetic-languages-simplified-generalized-examples-array540.00Helps to create texts with the given phonetic properties (e. g. poetic). (PhLADiPreLiO, espeak, game, ipa, language, library, math, mit, phladiprelio, phonetic-languages, phonetics, prosodic-languages, prosody, writing-systems)2022-09-140.19.0.1OleksandrZhabenko
phonetic-languages-simplified-generalized-examples-common170.01Some common code for phonetic languages generalized functionality. (game, language, library, math, mit, phonetic-languages, phonetics, writing-systems)2023-03-150.6.1.0OleksandrZhabenko
phonetic-languages-simplified-generalized-properties-array320.02Some 'properties' of the phonetic languages approach text. (game, language, library, math, mit, phonetic-languages, phonetics, writing-systems)2023-03-150.13.1.0OleksandrZhabenko
phonetic-languages-simplified-lists-examples120.00Simplified and somewhat optimized version of the phonetic-languages-examples. (Ukrainian, game, language, library, math, mit, phonetic-languages, program)2021-02-020.7.0.0OleksandrZhabenko
phonetic-languages-simplified-properties-array620.02Some properties of the data related to rhythmicity. (Ukrainian, game, language, library, math, mit, phonetic-languages)2023-03-150.17.2.0OleksandrZhabenko
phonetic-languages-simplified-properties-array-common80.03Common functionality for 'with-tuples' and old version of properties. (game, language, library, math, mit)2023-03-150.4.1.0OleksandrZhabenko
phonetic-languages-simplified-properties-array-old20.00Some properties of the data related to rhythmicity. (game, language, library, math, mit)2022-05-310.1.0.0OleksandrZhabenko
phonetic-languages-simplified-properties-lists (deprecated in favor of phonetic-languages-simplified-properties-lists-double)160.01A generalization of the uniqueness-periods-vector-properties package. (Ukrainian, deprecated, language, library, mit, phonetic-languages)2021-02-020.4.0.0OleksandrZhabenko
phonetic-languages-simplified-properties-lists-double40.02A generalization of the uniqueness-periods-vector-properties package. (language, library, math, mit)2021-02-020.2.0.0OleksandrZhabenko
phonetic-languages-ukrainian150.01Prepares Ukrainian text to be used as a phonetic language text (Ukrainian, game, language, library, mit, phonetic-languages)2020-11-280.3.0.0OleksandrZhabenko
phonetic-languages-ukrainian-array450.03Prepares Ukrainian text to be used as a PhLADiPreLiO text (Ukrainian, game, language, library, mit, phonetic-languages, program)2024-02-220.12.2.0OleksandrZhabenko
phonetic-languages-vector50.02A generalization of the functionality of the uniqueness-periods-vector package. (language, library, mit, phonetic-languages)2020-10-300.1.0.0OleksandrZhabenko
phooey10.03Functional user interfaces (bsd3, library, user-interfaces)2011-09-102.0.0.1ConalElliott, RussellOConnor
photoname40.01Rename photo image files based on EXIF shoot date (application, console, library, program)2024-11-215.4DinoMorelli
phybin20.01Utility for clustering phylogenetic trees in Newick format based on Robinson-Foulds distance. (bioinformatics, bsd3, library, program)2013-09-200.3RyanNewton
physics20.01dimensions, quantities and constants (bsd3, library, science)2018-10-150.1.2.1knupfer
pi-forall20.01Demo implementation of typechecker for dependently-typed language (bsd3, compilers-interpreters, library, program)2016-08-230.1.1sweirich
pi-hoole20.00Lightweight access control solution for the pijul vcs (agpl, library, program, security)2018-05-050.2.0.0lethom
pi-lcd40.00Control an Adafruit character LCD and keypad kit on a Raspberry Pi (bsd3, hardware, library, raspberrypi)2017-04-270.1.1.0ppelleti
pianola (deprecated)20.01Remotely controlling Java Swing applications (deprecated, gui, jvm, library, mit)2013-09-160.1.1DanielDiazCarrete
picedit50.00simple image manipulation functions (gpl, image, library, matrix, picture, program)2017-02-040.2.3.0mdibaiee
pickle22.00Instant StatsD in Haskell (library, mit, unclassified)2020-08-201.0.1.0Luabee
picologic20.01Utilities for symbolic predicate logic expressions (library, logic, mit)2017-01-040.3.0sdiehl
picoparsec (deprecated in favor of grammatical-parsers, incremental-parser, attoparsec)22.01Fast combinator parsing for bytestrings and text (bsd3, deprecated, library, parsing, text)2015-08-130.1.2.3MarioBlazevic
picosat32.03Bindings to the PicoSAT solver (library, logic, mit)2019-12-300.1.6sdiehl
pid160.01Do signal handling and orphan reaping for Unix PID1 init processes (library, mit, program, system)2022-11-290.1.3.1MichaelSnoyman, psibi
pidfile30.01Run an IO action protected by a pidfile (bsd3, library, system)2019-03-290.1.0.4petterb
pier-core30.00A library for writing forwards-declared build systems in haskell. (bsd3, development, library)2018-09-230.3.0.0JudahJacobson
piet20.01A Piet interpreter (bsd3, compilers-interpreters, library, program)2009-01-200.1StephanFriedrichs
pig20.01dice game (bsd3, library, math, program)2018-04-060.0.1AndrewPennebaker
pinboard450.02Access to the Pinboard API (library, mit, network-apis)2022-05-070.10.3.0jonschoning
pinch80.04An alternative implementation of Thrift for Haskell. (bsd3, development, library)2024-07-090.5.2.0BenGamari, PhilippHausmann, abhinav
pinchot50.01Write grammars, not parsers (bsd3, development, library)2017-02-030.24.0.0OmariNorman
pine20.00Functional 2D Game Framework (game, library, program)2020-06-100.1.0.3Grinshpon
ping20.00icmp echo requests (bsd3, library, network)2023-06-210.1.0.5andrewthad
ping-parser-attoparsec30.01Attoparsec parsers of ping utility (apache, attoparsec, library, parsers, program)2017-09-040.1.0.0frincon
ping-wrapper30.00Haskell Ping wrapper (apache, library, program, system)2017-09-060.1.0.1frincon
pinned-warnings50.00Preserve warnings in a GHCi session (bsd3, development, library, utility)2024-05-200.1.2.0aaronallen8455
pinpon30.00A gateway for various cloud notification services (bsd3, library, network)2018-03-170.2.0.2dhess
pipe-enumerator30.01A bidirectional bridge between pipes and iteratees (bsd3, control, library, pipes)2015-07-070.3.0.2patrykz
piped40.00Conduit with a smaller core (bsd3, control, library)2019-08-010.1.0.0ssadler
pipeline30.00Continuation patterns (bsd3, control, library)2019-02-240.1.0iokasimovmt
pipes1352.75189Compositional pipelines (bsd3, control, library, pipes)2021-05-074.3.16GabrielGonzalez
pipes-aeson170.06Encode and decode JSON streams using Aeson and Pipes. (bsd3, library, parser, pipes)2024-02-230.4.2RenzoCarbonara
pipes-async20.01A higher-level interface to using concurrency with pipes (bsd3, control, library)2018-07-230.1.3JohnWiegley
pipes-attoparsec360.022Attoparsec and Pipes integration. (bsd3, library, parser, pipes)2023-05-020.6.0PaoloCapriotti, RenzoCarbonara
pipes-attoparsec-streaming (deprecated)30.01Streaming parsing in the pipes-core framework with Attoparsec. (bsd3, control, deprecated, library, program)2012-06-200.1.0.0MartinGrabmueller
pipes-bgzf20.01Blocked GZip (bsd3, codec, library, pipes)2015-07-030.2.0.1rcallahan
pipes-binary190.03Encode and decode binary streams using the pipes and binary libraries. (bsd3, library, pipes)2023-10-060.4.4RenzoCarbonara
pipes-break52.01Pipes to group by any delimiter (such as lines with carriage returns) (bsd3, control, library, pipes)2017-03-160.2.0.6mindreader
pipes-brotli20.00Brotli (RFC7932) compressors and decompressors for the Pipes package (bsd3, codec, compression, library, pipes)2019-04-200.0.0.0AndreasAbel, HerbertValerioRiedel
pipes-bytestring420.047ByteString support for pipes (bsd3, control, library, pipes)2021-02-122.1.7GabrielGonzalez
pipes-bzip80.01Streaming compression/decompression via pipes. (bsd3, codec, library)2016-02-290.2.0.4chemist
pipes-cacophony122.01Pipes for Noise-secured network connections. (cryptography, library, public-domain)2017-06-260.5.0jgalt
pipes-category60.01Allows instances for Category, Arrow and ArrowChoice for Pipes. (bsd3, control, library, pipes)2017-10-080.3.0.0louispan
pipes-cborg20.00Encode and decode cborg streams using the pipes and cborg libraries. (bsd3, library, pipes)2019-08-140.1RenzoCarbonara
pipes-cellular40.01Pipes-based combinators for cellular data processing (bsd3, control, library, pipes)2015-07-070.0.0.1patrykz
pipes-cellular-csv40.01Efficient pipes-based cellular CSV codec (bsd3, control, library, pipes)2015-07-071.0.0.0patrykz
pipes-cereal22.01Encode and decode binary streams using the pipes and cereal libraries. (bsd3, library, pipes)2015-07-21ian_mi
pipes-cereal-plus (deprecated)90.02A streaming serialization library on top of "pipes" and "cereal-plus" (deprecated, library, mit, pipes, serialization)2014-10-190.4.0NikitaVolkov
pipes-cliff (deprecated)30.01Streaming to and from subprocesses using Pipes (bsd3, concurrency, deprecated, library, pipes)2016-07-160.12.0.0OmariNorman
pipes-concurrency322.022Concurrency for the pipes ecosystem (bsd3, concurrency, control, library, pipes)2021-12-052.0.14GabrielGonzalez
pipes-conduit20.01Conduit adapters (bsd3, control, enumerator, library)2012-03-100.0.1PaoloCapriotti
pipes-core (deprecated in favor of pipes)30.07Compositional pipelines (bsd3, control, deprecated, enumerator, library)2012-04-090.1.0PaoloCapriotti
pipes-courier20.01Pipes utilities for interfacing with the courier message-passing framework. (bsd3, library, pipes)2014-02-080.1.0.0KyleVanBerendonck
pipes-csv60.03Fast, streaming csv parser (csv, library, mit, pipes)2015-11-261.4.3GabrielGonzalez, WilliamCasarin
pipes-errors50.01Integration between pipes and errors (bsd3, control, error-handling, library, monad, pipes)2015-05-210.3jdnavarro
pipes-extra30.01Various basic utilities for Pipes. (bsd3, control, enumerator, library)2012-06-090.2.0PaoloCapriotti
pipes-extras70.04Extra utilities for pipes (bsd3, control, library, pipes)2018-07-041.0.15GabrielGonzalez
pipes-fastx50.01Streaming parsers for Fasta and Fastq (bsd3, library, pipes)2015-06-260.3.0.0rcallahan
pipes-files40.01Fast traversal of directory trees using pipes (bsd3, data, library)2018-07-230.1.3JohnWiegley, dnadales
pipes-fluid70.01Reactively combines Producers so that a value is yielded as soon as possible. (bsd3, control, frp, library, pipes)2018-06-010.6.0.1louispan
pipes-group210.015Group streams into substreams (bsd3, control, library, pipes)2018-07-041.0.12GabrielGonzalez
pipes-http120.09HTTP client with pipes interface (bsd3, library, pipes, web)2019-02-071.0.6GabrielGonzalez
pipes-illumina10.01Illumina NGS data processing (bsd3, codec, library)2015-07-030.1.0.0rcallahan
pipes-interleave80.02Interleave and merge streams of elements (bsd3, data, library)2018-08-051.1.3BenGamari
pipes-io20.01Stateful IO streams based on pipes (apache, control, library, pipes)2016-08-260.1yinguanhao
pipes-kafka50.01Kafka in the Pipes ecosystem (library, mit, network)2017-09-080.2.0.0boothead
pipes-key-value-csv20.01Streaming processing of CSV files preceded by key-value pairs. (bsd3, csv, library, pipes, text)2017-12-290.4.0.3mjmrotek
pipes-lines (deprecated in favor of pipes-break)100.01Pipes for grouping by lines with carriage returns. (bsd3, control, deprecated, library, pipes)2017-03-161.0.3.4mindreader
pipes-lzma32.00LZMA compressors and decompressors for the Pipes package (bsd3, codec, library, program)2020-05-190.2.0.0BenGamari
pipes-misc130.02Miscellaneous utilities for pipes, required by glazier-tutorial (bsd3, control, library, pipes)2018-05-220.5.0.0louispan
pipes-mongodb70.01Stream results from MongoDB (database, library, mit)2015-06-100.1.0.0WilliamCasarin
pipes-network80.010Use network sockets together with the pipes library. (bsd3, library, network, pipes)2018-05-160.6.5PaoloCapriotti, RenzoCarbonara
pipes-network-tls90.01TLS-secured network connections support for pipes. (bsd3, library, network, pipes)2019-11-170.4RenzoCarbonara
pipes-network-ws40.00WebSockets support for pipes. (bsd3, library, network, pipes)2019-04-170.1RenzoCarbonara
pipes-ordered-zip60.00merge two ordered Producers into a new Producer (bioinformatics, bsd3, library)2021-02-251.2.1stephan_schiffels
pipes-p2p10.01P2P network nodes with pipes (bsd3, library, network, pipes)2015-04-130.4jdnavarro
pipes-parse282.033Parsing infrastructure for the pipes ecosystem (bsd3, control, library, parsing, pipes)2021-02-123.0.9GabrielGonzalez
pipes-postgresql-simple (deprecated in favor of streaming-postgresql-simple, streaming-utils)120.01Convert various postgresql-simple calls to work with pipes (database, deprecated, library, mit, pipes)2017-02-070.1.3.0OliverCharles
pipes-protolude10.00Alternate Prelude for the pipes ecosystem (bsd3, library, pipes, program)2016-10-140.1.0.1mckeankylej
pipes-pulse-simple50.00Pipes for pulse-simple audio (apache, library, sound)2021-03-210.1.0.0TristanCacqueray
pipes-random130.01Producers for handling randomness. (bsd3, control, library)2019-05-101.0.0.5fosskers
pipes-rt80.01A few pipes to control the timing of yields (bsd3, control, library, pipes, program)2015-01-210.5.0imalsogreg
pipes-s320.01A simple interface for streaming data to and from Amazon S3 (bsd3, library, network)2018-11-040.3.1BenGamari
pipes-safe650.047Safety for the pipes ecosystem (bsd3, control, error-handling, library, pipes)2023-11-042.3.5GabrielGonzalez
pipes-shell20.01Create proper Pipes from System.Process (bsd3, library, pipes)2015-11-260.1.4kbrei
pipes-sqlite-simple20.01Functions that smash Pipes and sqlite-simple together (bsd3, database, library)2015-10-070.2NickPartridge
pipes-text80.014properly streaming text (bsd3, library, pipes, text)2022-05-261.0.1PeterJones, MichaelThompson
pipes-transduce120.02Interfacing pipes with foldl folds. (bsd3, control, library)2018-05-120.4.4.0DanielDiazCarrete
pipes-vector10.01Various proxies for streaming data into vectors (bsd3, control, library)2015-05-290.6.2BenGamari
pipes-wai70.03A port of wai-conduit for the pipes ecosystem (library, mit, pipes, web)2016-01-083.2.0IanDuncan
pipes-websockets40.01WebSockets in the Pipes framework. (bsd3, library, program, web)2016-01-140.1.0.0ParnellSpringmeyer, NoonSilk
pipes-zeromq410.01Pipes integration for ZeroMQ messaging (bsd3, control, library, network, pipes)2017-04-200.3.0.0peddie
pipes-zlib202.04Zlib and GZip compression and decompression for Pipes streams (bsd3, compression, library, pipes)2018-05-260.4.4.2PaoloCapriotti, RenzoCarbonara
pisigma10.01A dependently typed core language (bsd3, dependent-types, development, language, library, program)2011-05-180.2.1AndresLoeh, DarinMorrison
pit10.01Account management tool. (library, mit, program, tools)2014-09-270.3.1chiro
pitchtrack10.01Pitch tracking library (library, mit, sound)2015-10-070.1.0.1lortabac
pivotal-tracker20.00A library and a CLI tool for accessing Pivotal Tracker API (bsd3, library, program, web)2018-05-140.2.0.0utdemir
pixel-printer30.00A program for turning pixel art into 3D prints (gpl, image, library, program)2021-03-230.1.2ZacharySarver
pixela40.01Pixela client. (bsd3, library, web)2019-01-130.3.1.0kakkun61
pixelated-avatar-generator50.00A library and application for generating pixelated avatars. (graphics, image, library, mit, program)2016-08-130.1.3ExcaliburZero
pixiv30.00Pixiv API binding based on servant-client (bsd3, library, web)2022-07-250.1.1berberman, Poscat
piyo140.00Haskell game engine like fantasy console. (game, library, mit, program)2018-08-080.1.0.0opyapeus
pkcs130.03RSA encryption with PKCS1 padding (cryptography, library)2008-04-051.0.2GwernBranwen
pkcs10100.01PKCS#10 library (apache, data, library)2016-11-020.2.0.0ktimothy
pkcs720.01PKCS #7 padding in Haskell (crypto, library, mit)2015-08-141.0.0.1kisom
pkgtreediff40.00RPM package tree diff tool (gpl, library, program, utility)2022-10-270.6.0JensPetersen
pktree30.01Implementation of the PKTree spatial index data structure (data, library)2012-04-100.2StephenWeber
pl-synth20.00Bindings and wrappers for PL_SYNTH - no-deps sound effects synthesizer and tracker. (bsd3, library, sound)2025-01-190.1.0.0AlexanderBondarenko
placeholder90.00placeholder definitions for TODO and unimplemented (control, library)2024-09-110EdwardKmett
placeholders62.2520Placeholders for use while developing Haskell code (bsd3, development, library)2011-04-290.1AndreasHammar
plaid60.00Plaid.com api integration library (bsd3, data, library, network, plaid, program, web)2020-03-170.1.0.4v0d1ch
plailude52.01plaimi's prelude (data, gpl, library)2015-03-130.6.0alexander
plan-applicative40.01Applicative/Arrow for resource estimation and progress tracking. (bsd3, control, library)2018-08-182.0.1.0DanielDiazCarrete
plan-b (deprecated)30.02Failure-tolerant file and directory editing (bsd3, deprecated, filesystem, library, system)2017-05-230.2.1mrkkrp
planar-graph20.01A representation of planar graphs (bsd3, data, graphs, library, maths)2012-04-271.0.0.0IvanMiljenovic
planb-token-introspection80.01Token Introspection for PlanB (bsd3, library, security)2019-05-030.1.4.0DmitryIvanov, mtesseract
planet-mitchell (deprecated)30.01Planet Mitchell (bsd3, deprecated, library, prelude)2018-10-210.1.0mitchellwrosen
planet-mitchell-test (deprecated)50.01Planet Mitchell (bsd3, deprecated, library, prelude, test)2018-10-210.0.0mitchellwrosen
plankton20.01The core of a numeric prelude, taken from numhask (bsd3, library, mathematics)2017-11-160.0.0.1chessai
plat10.01Simple templating library (bsd3, library, template, text, web)2012-10-300.1.0.1MiguelMitrofanov
platinum-parsing30.00General Framework for compiler development. (bsd3, cli, compilation, compiler, framework, lalr, lexer, library, parser, program)2017-07-190.1.0.0chlablak
playlists30.02Library and executable for working with playlist files. (bsd3, library, program, text)2024-05-150.5.2PeterJones
playlists-http30.01Library to glue together playlists and http-client (bsd3, library, text)2019-04-160.2.1.1PeterJones
plegg10.00A semi-cross-platform interface for pledge(2) and unveil(2) (library, system)2024-03-240.2.1.1varikvalefor
plex10.01run a subprocess, combining stdout and stderr (library, mit, system)2018-04-040.2.0.0phlummox
plist20.01Generate and parse Mac OS X property list format (bsd3, library, xml)2015-02-260.0.6YurasShumovich
plist-buddy20.01Remote monad for editing plists (bsd3, database, library)2015-12-100.1.0.0AndyGill
plivo10.01Plivo API wrapper for Haskell (library, services)2014-12-290.2.0.0StephenWeber
plot230.05A plotting library, exportable as eps/pdf/svg/png or renderable with gtk (bsd3, graphics, library)2024-03-180.2.3.12VivianMcPhail
plot-gtk40.01GTK plots and interaction with GHCi (bsd3, graphics, library)2015-12-150.2.0.4VivianMcPhail
plot-gtk-ui10.01A quick way to use Mathematica like Manipulation abilities (gpl, library, math)2016-10-100.3.0.2sumitsahrawat
plot-gtk320.01GTK3 plots and interaction with GHCi (bsd3, graphics, library)2015-10-170.1.0.2VivianMcPhail
plot-light100.00A lightweight plotting library, exporting to SVG (bsd3, graphics, library)2018-05-130.4.3ocramz
plot-light-examples50.00Example binaries for plot-light (bsd3, graphics, library, program)2018-05-130.3.0.0ocramz
ploterific30.01Basic plotting of tabular data for the command line. (bioinformatics, gpl, library, program)2022-04-140.2.1.4GregorySchwartz
plotfont30.01Plotter-like fonts i.e. a series of straight lines which make letter shapes. (graphics, library)2015-09-170.1.0.1mjoldfield
plotlyhs70.01Haskell bindings to Plotly.js (charts, graphics, library, mit)2022-11-230.2.3glutamate, JonathanReeve
ploton50.00A useful cli tool to draw figures (bsd3, cli, library, program)2020-03-311.2.0.0ishiy
plots70.03Diagrams based plotting library (bsd3, graphics, library)2024-08-280.1.1.5cchalmers
plotserver-api40.01Plotserver API (api, library, mit)2014-01-040.22dtorok
plow-log10.03Contravariant logging library (library, logging, mit)2022-11-230.1.6.0goodlyrottenapple, sidk
plow-log-async20.01Async IO tracer for plow-log (library, logging, mit)2022-11-280.1.4.0sidk
plucky32.00A library and technique for handling errors via plucking constraints (bsd3, data, library)2020-01-210.0.0.1parsonsmatt
plugins91.518Dynamic linking for Haskell and C objects (bsd3, library, system)2022-03-271.6.2.1DonaldStewart, GwernBranwen, IsaacJones, JeremyShaw, SpencerJanssen
plugins-auto60.02Automatic recompilation and reloading of haskell modules. (bsd3, library, system)2011-12-150.0.4FacundoDominguez
plugins-multistage60.02Dynamic linking for embedded DSLs with staged compilation (bsd3, library, system)2020-03-110.6.3AndersPersson
plumbers20.01Pointless plumbing combinators (acme, bsd3, library)2018-01-110.0.4MichaelSloan
plur20.01Plurality monad: Zero, one, or at least two. (bsd3, data, library)2019-02-120.2.0.0joelb
plural50.01Pluralize (bsd3, language, library)2018-06-070.1.0.0fresheyeball
ply-loader60.01PLY file loader. (bsd3, graphics, library, program)2016-12-210.5.0AnthonyCowley
plzwrk22.00A front-end framework (bsd3, library, web)2020-05-220.0.0.10mikesol
png-file20.01read/write png file (bsd3, file, library)2015-12-190.0.1.3YoshikuniJujo
pngload10.01Pure Haskell loader for PNG images (bsd3, codecs, library)2008-06-020.1MarkoLauronen
pngload-fixed10.01Pure Haskell loader for PNG images (bsd3, codecs, library)2014-07-221.0RobAgar
pnm40.01PNM image format header parsing and pretty printing (bsd3, graphics, library)2012-07-030.1.0.0ClaudeHeilandAllen
pocket20.01Bindings for the Pocket API (library, mit, web)2020-05-300.3.0jpvillaisaza
pocket-dns32.01Multi-backend (zookeeper and sqlite) DNS Server using persistent-library (bsd3, library, network, program)2015-02-270.1.1junjihashimoto
podenv20.00A container wrapper (apache, development, library, program)2022-08-100.2.0TristanCacqueray
point-octree20.01Point octree, with bounding boxes (bsd3, data, library)2016-07-040.5.5.3MichaelLitchard
pointed720.029Pointed and copointed data (bsd3, data, library)2024-10-265.0.5EdwardKmett, EricMertens, ryanglscott
pointedalternative20.01Alternative done right (bsd3, library)2016-08-250.1.0.0Gurkenglas
pointedlist210.011A zipper-like comonad which works as a list, tracking a position. (bsd3, data, library)2014-04-260.6.1JeffWheeler, RussellOConnor, fread2281
pointfree142.02Tool for refactoring expressions into pointfree form (library, program, tool)2024-04-251.1.1.12BenMillwood, FelixMartini, SimonHengel
pointfree-fancy30.01Tool for refactoring expressions into pointfree form (bsd3, library, program, tool)2019-11-271.1.1.15vmchale
pointful70.02Pointful refactoring tool (bsd3, development, library, program)2019-09-161.1.0.0MikhailGlushenkov
pointless-fun90.03Some common point-free combinators. (bsd3, combinators, composition, library, utils)2021-10-181.1.0.8WrenThornton, WrenRomano
pointless-haskell100.08Pointless Haskell library (bsd3, generics, library)2014-05-190.0.9HugoPacheco
pointless-lenses80.03Pointless Lenses library (bsd3, generics, library)2012-01-260.0.9HugoPacheco
pointless-rewrite20.02Pointless Rewrite library (bsd3, generics, library)2012-01-260.0.3HugoPacheco
poke (deprecated in favor of discord-register)10.00Discord verification bot (deprecated, library, mpl, program, web)2020-11-050.0.0.1HughSipiere
pokemon-go-protobuf-types70.01Haskell types for the Pokemon Go protobuf protocol. (bsd3, game, library)2016-07-300.1.2RickyElrod
poker62.00Texas holdem hand evaluation and simulation. (game, library, mit, poker, program, simulation)2021-08-010.1.0.0ghais
poker-base10.00A library for core poker types (bsd3, library, poker)2021-10-230.1.0.0santiweight
poker-eval10.01Binding to libpoker-eval (library, math, public-domain)2013-03-080.3.1DavidHimmelstrup
pokitdok (deprecated)20.01PokitDok Platform API Client for Haskell (api, deprecated, library, mit)2015-03-204.1.0.2Decryptic
polar40.01Complex numbers in polar form (bsd3, library, math)2014-09-100.0.1StefanKersten
polar-configfile40.01Fork of ConfigFile for Polar Game Engine (bsd3, game-engine, library, parsing)2016-08-070.5.0.0Shockk
polar-shader10.01High-level shader compiler framework (apache, game-engine, library)2016-11-210.3.0.0Shockk
polh-lexicon20.01A library for manipulating the historical dictionary of Polish (deprecated) (bsd3, library, natural-language-processing, program)2013-05-080.2.2JakubWaszczuk
policeman30.00Haskell PVP version adviser (cabal, development, library, mpl, package-management, program, pvp)2020-01-290.0.0.0vrom911
polimorf40.03Handling the PoliMorf dictionary (bsd3, library, natural-language-processing)2019-11-300.7.4JakubWaszczuk
poll90.02Bindings to poll.h (bsd3, library, system)2021-03-250.0.0.2HenningThielemann
polling-cache50.00Cache infrequently updated data for simpler distributed systems. (bsd3, cache, distributed-computing, library)2021-08-020.1.1.0jkaye125
pollock60.00Functionality to help examine Haddock information of a module. (development, documentation, library, mit)2024-10-270.1.0.2TrevisElser
poly92.05Polynomials (bsd3, library, math, numerical)2022-12-310.5.1.0Bodigrim
poly-arity100.02Tools for working with functions of undetermined arity (bsd3, data, functions, library)2017-03-190.1.0athanclark
poly-cont10.01Poly-kinded continuations (bsd3, control, library)2018-03-140.1.0.0dfeuer
poly-control10.01This package provides abstraction for polymorphic controls, like PolyMonads or PolyApplicatives. (apache, data, library)2016-01-301.0.0danilo2, iamrecursion
poly-rec30.01Polykinded extensible records (data, dependent-types, gpl, library)2024-11-080.7.0.4jpgarcia
polyToMonoid20.01Polyvariadic functions mapping to a given monoid (bsd3, data, library)2010-10-140.1KevinJardine
polydata10.01Wrap together data and it's constraints. (data, library, mit)2017-10-160.3.0.0clinton
polydata-core10.01Core data definitions for the "polydata" package (bsd3, library, web)2017-10-130.1.0.0clinton
polyglot20.00Haskell to Purescript & Scala 3 transpiler (bsd3, compiler, library, program)2023-05-250.1.1.0albertprz
polymap52.01Polygonal maps (data, library, public-domain)2015-09-240.1.1.0Shockk
polynom (deprecated)30.01Polynomial types and operations (deprecated, library, math)2016-01-210.1.0.0
polynomial92.09Polynomials (library, math, numerical, public-domain)2017-06-140.7.3JamesCook
polynomial-algebra40.01Multivariate polynomial rings (bsd3, library, math)2022-03-240.1.0.1BalazsKomuves
polynomials-bernstein130.04A solver for systems of polynomial equations in bernstein form (library, math)2015-09-291.1.2JeanPhilippeBernardy, PierreEtienneMeunier
polyparse790.018A variety of alternative parser combinator libraries. (library, parsing, text)2019-08-221.13MalcolmWallace, phadej
polysemy692.7578Higher-order, low-boilerplate free monads. (bsd3, language, library)2024-06-031.9.2.0isovector, tek, TheMatten, KingoftheHomeless
polysemy-RandomFu200.00Experimental, RandomFu effect and interpreters for polysemy (bsd3, library, polysemy)2022-04-260.5.0.0adamCS
polysemy-account20.01Account management with Servant and Polysemy (library, web)2023-03-030.2.0.0tek
polysemy-account-api20.00Account management with Servant and Polysemy (library, web)2023-03-030.2.0.0tek
polysemy-blockfrost70.00Polysemy wrapper around the Blockfrost client (apache, development, library)2024-06-250.1.4.0haskellworks
polysemy-check30.00QuickCheck for Polysemy (bsd3, library, polysemy)2022-12-190.9.0.1isovector
polysemy-chronos300.09A Polysemy effect for Chronos (library, time)2025-03-140.7.0.1tek
polysemy-conc290.010Polysemy effects for concurrency (concurrency, library)2025-03-150.14.1.1tek
polysemy-db20.04Polysemy effects for databases (database, library)2023-03-030.0.1.0tek
polysemy-extra50.05Extra Input and Output functions for polysemy. (library, mit, polysemy)2022-09-040.2.1.0locallycompact
polysemy-fs50.03Low level filesystem operations for polysemy. (bsd3, library, polysemy-filesystem)2020-11-010.1.0.0locallycompact
polysemy-fskvstore50.01Run a KVStore as a filesystem in polysemy. (library, mit, polysemy)2022-12-170.1.2.0locallycompact
polysemy-hasql20.02Polysemy effects for databases (database, library)2023-03-030.0.1.0tek
polysemy-hasql-test20.00Test utilities for polysemy-hasql (database, library)2023-03-030.0.1.0tek
polysemy-http160.02Polysemy effects for HTTP clients (library, network)2025-03-160.13.1.0tek
polysemy-keyed-state60.00Effect for a set of stateful values indexed by a type of keys (bsd3, library)2021-07-130.1.1kcsmnt0
polysemy-kvstore50.04KVStore effect for polysemy. (library, mit, polysemy)2022-08-110.1.3.0locallycompact
polysemy-kvstore-jsonfile50.00Run a KVStore as a single json file in polysemy. (library, mit, polysemy)2021-07-180.1.1.0locallycompact
polysemy-log230.013Polysemy effects for logging (library, logging)2025-03-150.11.1.0tek
polysemy-log-co100.02Colog adapters for polysemy-log (library, logging)2025-03-150.11.1.0tek
polysemy-log-di110.00Di adapters for polysemy-log (library, logging)2025-03-150.11.1.0tek
polysemy-managed20.00Primitive functions and data types (bsd3, data, library)2022-05-300.1.0.0haskellworks
polysemy-methodology200.05Domain modelling algebra for polysemy (library, mit, polysemy)2022-09-040.2.2.0locallycompact
polysemy-methodology-co-log10.00Logging functions for polysemy-methodology. (library, mit, polysemy)2021-07-250.1.0.0locallycompact
polysemy-methodology-composite70.02Functions for using polysemy-methodology with composite. (composite, library, mit, modelling, polysemy, polysemy-vinyl-composite, vinyl)2020-11-140.1.4.0locallycompact
polysemy-mocks70.00Mocking framework for polysemy effects (bsd3, library, testing)2022-12-300.3.1.0axeman
polysemy-optics20.00Optics for Polysemy. (bsd2, lenses, library, optics)2022-07-050.1.0.2nosewings
polysemy-path30.01Polysemy versions of Path functions. (library, mit, polysemy)2021-07-240.2.1.0locallycompact
polysemy-plugin240.050Disambiguate obvious uses of effects. (bsd3, library, polysemy)2025-03-060.4.5.3isovector, tek, TheMatten, KingoftheHomeless
polysemy-process290.07Polysemy effects for system processes (library, process)2025-03-150.14.1.1tek
polysemy-readline42.00Readline effect for polysemy. (bsd2, effect, library, program, user-interfaces)2021-07-280.2.0.0lehmacdj
polysemy-req30.00Polysemy effect for req (bsd3, library, network, web)2021-06-270.1.0MorrowM
polysemy-resume210.05Polysemy error tracking (error, library)2025-03-140.9.0.1tek
polysemy-scoped-fs10.00Well-typed filesystem operation effects. (agpl, library, polysemy-filesystem)2022-04-230.1.0.0hisaketM
polysemy-several50.02Run several effects at once, taken from the polysemy-zoo. (library, mit, polysemy)2022-09-040.1.1.0locallycompact
polysemy-socket30.00Socket effect for polysemy. (library, mit, polysemy)2021-07-300.0.2.0locallycompact
polysemy-test250.05Polysemy effects for testing (library, test)2025-03-130.10.0.1tek
polysemy-time210.013A Polysemy effect for time (library, time)2025-03-140.7.0.1tek
polysemy-uncontrolled50.00Uncontrolled toy effect for polysemy. (library, mit, polysemy)2022-10-190.1.1.1locallycompact
polysemy-video40.01Experimental video processing DSL for polysemy. (library, mit, polysemy, video, video-polysemy)2021-07-180.2.0.1locallycompact
polysemy-vinyl70.03Functions for mapping vinyl records in polysemy. (library, mit, polysemy-vinyl)2021-07-250.1.5.0locallycompact
polysemy-webserver100.00Start web servers from within a Polysemy effect stack (bsd3, library, web)2023-06-240.2.1.2AndrewMiller
polysemy-zoo100.013Experimental, user-contributed effects and interpreters for polysemy (bsd3, library, polysemy)2023-08-030.8.2.0isovector, tek, TheMatten, KingoftheHomeless
polyseq (deprecated in favor of free-theorems-seq)30.01Taming Selective Strictness (deprecated, language, library, program, public-domain)2010-10-060.1.2.1DanielSeidel, JanisVoigtlaender
polysoup30.06Online XML parsing with polyparse and tagsoup (bsd3, library, xml)2020-03-090.6.4JakubWaszczuk
polytypeable30.02Typeable for polymorphic types. (bsd3, data, library)2009-04-080.1.0.0LennartAugustsson
polytypeable-utils20.01Utilities for polytypeable. (bsd3, data, library)2009-10-210.1.0.0KiYungAhn
polyvariadic72.02Creation and application of polyvariadic functions (bsd3, data, library)2020-02-040.3.0.4fgaz
pomaps20.01Maps and sets of partial orders (data-structures, library, mit)2021-02-070.2.0.1sgraf812
pomohoro20.00Initial project template from stack (library, program, web)2016-10-100.1.2.4kqr
ponder20.01PEG parser combinator (library, mit, parsing)2014-03-060.0.1matt
pong-server10.01A simple embedded pingable server that runs in the background. (library, public-domain, utilities)2017-04-250.0.4.4RobertFischer
pontarius-xmpp162.254An XMPP client library (bsd3, library, network)2025-02-080.5.7.2JonKristensen, PhilippBalzarek, SergeyAlirzaev
pontarius-xmpp-extras190.00XEPs implementation on top of pontarius-xmpp (library, network)2025-02-080.1.0.11SergeyAlirzaev
pontarius-xpmn (deprecated)20.01Extended Personal Media Network (XPMN) library (deprecated, library, media)2011-04-130.0.1.0JonKristensen
pool (deprecated in favor of resource-pool)30.05Thread-safe resource pools. (deprecated) (bsd3, data, database, deprecated, library, yesod)2012-01-250.1.2.1MichaelSnoyman
pool-conduit (deprecated in favor of resource-pool)70.018Resource pool allocations via ResourceT. (deprecated) (conduit, database, deprecated, library, mit, yesod)2014-04-030.1.2.3MichaelSnoyman
poolboy20.00Simple work queue for bounded concurrency (data, library)2023-11-020.2.2.0gdifolco
pooled-io100.03Run jobs on a limited number of threads and support data dependencies (bsd3, library, parallelism)2023-02-150.0.2.3HenningThielemann
pop3-client20.01POP3 Client Library (bsd3, library, network)2011-11-160.1.4PeterVanDenBrand, TomRudick
popenhs10.01popenhs is a popen-like library for Haskell. (library, system)2008-02-171.0.0GwernBranwen
popkey30.00Static key-value storage backed by poppy (data, library, mit)2022-05-080.1.0.2identicalsnowflake
poppler20.06Binding to the Poppler. (gpl, graphics, library)2018-04-080.14.2AndyStewart, IanWooKim
populate-setup-exe-cache50.01Empty Cabal package (distribution, library, mit)2014-11-271.0mietek
porcupine-core22.02Express portable, composable and reusable data tasks and pipelines (arrows, combinators, control, data, json, library, mit, numerical, pipes, program, streaming)2019-10-090.1.0.1YvesPares
porcupine-http20.00A location accessor for porcupine to connect to HTTP sources/sinks (arrows, combinators, control, data, library, mit, program, web)2019-10-090.1.0.0YvesPares
porcupine-s320.00A location accessor for porcupine to connect to AWS S3 sources/sinks (arrows, aws, cloud, combinators, control, data, library, mit, program)2019-10-090.1.0.0YvesPares
porpoise40.00A minimalist HTTP server framework written on top of wai (control, library, mit, program)2020-10-050.1.0.0sgschlesinger
port-utils130.07Utilities for creating and waiting on ports (bsd3, library, unclassified)2019-04-270.2.1.0JonathanFischoff
portable-lines80.03Alternative 'lines' implementation that understands CR-LF and CR (bsd3, library, text)2011-11-140.1JoeyAdams
portable-template-haskell-lens30.02Lenses for the AST of Template Haskell 2.11 and Template Haskell < 2.11 (language, library, mit)2016-10-280.1.0.0SimonHudon, bandali
portage-hs20.00Data structures and functions for interacting with the Portage package manager (agpl, library, system)2025-02-110.1.0.0hololeap
portager20.01DSL for configuring Gentoo portage (bsd3, dsl, library)2017-05-220.1.1.0JiriMarsicek
portaudio30.02Haskell bindings for the PortAudio library. (library, sound)2014-10-080.2.4AnilVaitla, JohnVanEnk
porte10.01FreeBSD ports index search and analysis tool (bsd3, library, program, system)2010-08-290.0.4SamyAlBahra
porter40.01Implementation of the Porter stemming algorithm (bsd3, development, library)2019-06-080.1.0.2MarkWotton, LauraDietz
portray60.010Rendering to pseudo-Haskell syntax (apache, library, text)2022-09-250.3.0AndrewPritchard
portray-diff60.011Pretty structural diffs between two values (apache, data, library)2022-09-250.1.1AndrewPritchard
portray-diff-hunit40.00HUnit assertions based on portray-diff (apache, data, library)2021-09-020.1.0.0AndrewPritchard
portray-diff-quickcheck40.00QuickCheck tests with portray-diff (apache, data, library)2021-09-020.1.0.0AndrewPritchard
portray-pretty50.02Portray backend for pretty (apache, library, text)2022-09-250.1.0.3AndrewPritchard
portray-prettyprinter40.00Portray backend for prettyprinter (apache, library, text)2022-09-250.2.1AndrewPritchard
ports20.01The Haskell Ports Library (control, library)2007-07-140.4.3.2DonaldStewart
ports-tools40.01Library to interact with port tools on FreeBSD (library, system-tools)2015-02-090.0.1ppenzin
pos20.02positive numbers (bsd3, data, library, numeric)2022-04-130.3.0.0gbwey
posable20.00A product-of-sums generics library (bsd3, generics, library)2022-06-161.0.0.1riscky
poseidon22.01Simple extensible library to run SQL file against PostgreSQL database. (PostgreSQL, bsd3, database, library, postgresql)2019-09-280.1.1.0FlogFR
poseidon-postgis20.00Extension of Poseidon library for Postgis (Spatial and Geographic objects for PostgreSQL) (bsd3, database, library, postgresql)2019-09-280.1.1.0FlogFR
posit70.01Posit Numbers (bsd3, library, math, numeric)2025-03-222022.2.0.2nwaivio
positive40.02Positive integers. (bsd3, library, unclassified)2015-06-290.4.1HansHoglund
positron20.01Experiment (apache, database, library)2017-09-160.1.0.0xt
posix-acl30.01Support for Posix ACL (bsd3, library, system)2016-09-110.2.0.1NicolaSquartini
posix-api210.05posix bindings (bsd3, library, system)2024-02-280.7.2.0andrewthad, l3c_amartin
posix-error-codes30.01POSIX error codes (bsd3, library, system)2016-08-260.1.0.0yghor
posix-escape130.05Quote arguments to be passed through the Unix shell (bsd3, library, system)2011-10-090.1KeeganMcAllister
posix-filelock50.01Nice wrapper around POSIX fcntl advisory locks (library, system)2012-04-140.1StephenWeber
posix-paths150.010POSIX filepath/directory functionality (bsd3, library, system)2021-05-150.3.0.0JohnLato, NiklasHambuechen
posix-pty60.06Pseudo terminal interaction with subprocesses. (bsd3, library, system)2020-07-030.2.2MerijnVerstraaten
posix-realtime30.01POSIX Realtime functionality (bsd3, library, system)2015-11-240.0.0.4MichalGajda, VasiliGalchin
posix-socket40.00Bindings to the POSIX socket API (bsd3, library, system)2018-03-090.3MikhailVorozhtsov
posix-timer130.01Bindings to POSIX clock and timer functions. (bsd3, library, system)2025-01-070.3.0.2MikhailVorozhtsov
posix-waitpid10.02Low-level wrapping of POSIX waitpid(2). (library, mit, system)2010-10-260.1RichardSmith, kriztw
possible40.01Three valued Data.Maybe (bsd3, data, library)2019-02-170.1.0.6tolysz
possibly60.05type Possibly a = Either String a (bsd3, data, library)2019-03-161.0.0.0ChrisDornan
post-mess-age60.01Send messages to a handle concurrently without getting them mixed. (bsd3, concurrency, library)2016-03-290.2.1.0DanielDiaz
postcodes20.01A library that gets postcode information from the uk-postcodes.com (bsd3, library, network-apis)2013-10-020.1.1MatthewHall
postgis-trivial10.00PostGIS extention driver based on postgresql-simple package (bsd3, database-driver, library)2024-05-200.0.1.0igor720
postgres-embedded30.01Library for easily running embedded PostgreSQL server for tests. (lib, library, mit)2018-02-180.2.0ilya_murzinov
postgres-options130.04An Options type representing options for postgres connections (bsd3, database, library)2024-04-030.2.2.0JonathanFischoff, OliverCharles
postgres-tmp10.01Create a temporary database that is deleted after performing some operation (bsd3, database, library)2017-12-010.2.0cocreature
postgres-websockets190.00Middleware to map LISTEN/NOTIFY messages to Websockets (bsd3, database, library, postgresql, program, web, websockets)2025-03-190.11.2.3diogob
postgresql-binary1300.011Encoders and decoders for the PostgreSQL's binary format (codecs, database, library, mit, parsing, postgresql)2025-02-020.14.0.1NikitaVolkov
postgresql-common60.01Library for sharing common PostgreSQL types across Haskell PostgreSQL libraries. (bsd3, library, unclassified)2018-06-210.1.0.1IanDuncan
postgresql-common-persistent40.02Persistent compatibility for postgresql-common (bsd3, library, unclassified)2018-06-180.1.0.0IanDuncan
postgresql-config62.01Types for easy adding postgresql configuration to your program (bsd3, database, library)2015-07-310.1.0AlekseyUymanov
postgresql-connector110.01Initial project postgresql-connector from stack (bsd3, library, web)2018-10-120.2.7markfine
postgresql-copy-escape60.01Format data to feed to a PostgreSQL COPY FROM statement (bsd3, data, library)2019-11-160.1.0.1JoeyAdams
postgresql-cube30.01Cube support for postgresql-simple (database, library, mit)2015-07-080.1.0.0inaimathi
postgresql-error-codes100.02PostgreSQL error codes (database, error-handling, library, mit, postgresql)2017-01-181.0.1NikitaVolkov
postgresql-libpq1410.040low-level binding to libpq (bsd3, database, library)2024-08-240.11.0.0LeonSmith, phadej
postgresql-libpq-configure400.01low-level binding to libpq: configure based provider (bsd3, database, library)2024-08-240.11phadej
postgresql-libpq-notify80.01Minimal dependency PostgreSQL notifications library (bsd3, database, library)2020-06-090.2.0.0JonathanFischoff
postgresql-libpq-pkgconfig90.01low-level binding to libpq: pkg-config based provider (bsd3, database, library)2024-08-240.11phadej
postgresql-lo-stream20.00Utilities for streaming PostgreSQL LargeObjects (bsd3, database, library)2019-08-020.1.1.1abrar
postgresql-ltree30.01Types and functions for representing PostgreSQL's ltree (bsd3, database, library)2022-07-220.0.0.0carymrobbins
postgresql-migration110.00PostgreSQL Schema Migrations (bsd3, database, library, program)2024-03-020.2.1.8andrevdm
postgresql-named20.01Generic deserialization of PostgreSQL rows based on column names (bsd3, library, web)2017-06-150.1.0cocreature
postgresql-orm122.52An ORM (Object Relational Mapping) and migrations DSL for PostgreSQL. (database, library, program)2019-02-120.5.1AmitLevy, DavidMazieres
postgresql-placeholder-converter60.02Converter for question mark style and dollar sign style of PostgreSQL SQL. (bsd3, database, library)2021-03-190.2.0.0kakkun61
postgresql-pure140.01pure Haskell PostgreSQL driver (bsd3, database, library)2021-03-270.2.3.0kakkun61
postgresql-query302.03Sql interpolating quasiquote plus some kind of primitive ORM using it (bsd3, database, library)2022-08-223.10.0AlekseyUymanov
postgresql-replicant70.00PostgreSQL logical streaming replication library (bsd3, database, experimental, library, program)2021-10-300.2.0.1agentultra
postgresql-resilient20.00Automatic re-connection support for PostgreSQL (apache, database, library)2021-07-270.1.0.0gvolpe
postgresql-schema190.00PostgreSQL Schema Management (bsd3, database, library, program)2017-12-060.1.14markfine
postgresql-simple1872.75115Mid-Level PostgreSQL client library (bsd3, database, library)2023-08-010.7.0.0LeonSmith, phadej
postgresql-simple-bind60.01FFI-like bindings for PostgreSQL stored functions (bsd3, database, library)2017-05-090.4.1zohl
postgresql-simple-interpolate90.00Interpolated SQL queries via quasiquotation (bsd3, database, library)2023-06-160.1.1.0abrar, 3noch
postgresql-simple-ltree20.00Instances for using ltree with postgresql-simple (bsd3, database, library)2022-07-220.0.0.0carymrobbins
postgresql-simple-migration201.751PostgreSQL Schema Migrations (bsd3, database, library, program)2020-01-150.1.15.0ameingast
postgresql-simple-named70.00Implementation of named parameters for `postgresql-simple` library (database, library, mpl, postgresql)2024-01-040.0.5.0vrom911, HolmuskTechTeam
postgresql-simple-opts210.04An optparse-applicative and envy parser for postgres options (bsd3, database, library)2020-07-070.6.0.1JonathanFischoff
postgresql-simple-queue140.01A PostgreSQL backed queue (bsd3, library, web)2017-12-211.0.1JonathanFischoff
postgresql-simple-sop100.02Generic functions for postgresql-simple (library, mit, unclassified)2015-10-270.2glutamate
postgresql-simple-typed60.01Typed extension for PostgreSQL simple (bsd3, database, library)2019-02-010.1.1.1tolysz
postgresql-simple-url40.01Parse postgres:// url into ConnectInfo (database, library, mit)2018-03-200.2.1.0phadej
postgresql-syntax230.02PostgreSQL AST parsing and rendering (database, library, mit, parsing, postgresql)2023-12-120.4.1.1NikitaVolkov
postgresql-transactional52.251a transactional monad on top of postgresql-simple (database, library, mit)2016-05-091.1.1patrick_thomson
postgresql-tx70.05A safe transaction monad for use with various PostgreSQL Haskell libraries. (bsd3, database, library)2020-12-080.3.0.0carymrobbins, jship
postgresql-tx-monad-logger80.01postgresql-tx interfacing for use with monad-logger. (bsd3, database, library)2020-12-080.3.0.0carymrobbins, jship
postgresql-tx-query40.00postgresql-tx interfacing for use with postgresql-query. (bsd3, database, library)2020-12-080.3.0.0carymrobbins, jship
postgresql-tx-simple50.01postgresql-tx interfacing for use with postgresql-simple. (bsd3, database, library)2020-12-080.3.0.0carymrobbins, jship
postgresql-tx-squeal50.01postgresql-tx interfacing for use with squeal-postgresql. (bsd3, database, library)2020-12-080.3.0.0carymrobbins, jship
postgresql-tx-squeal-compat-simple70.00Connection interop from postgresql-simple connections to postgresql-libpq connections. (bsd3, database, library)2020-12-080.2.0.0carymrobbins
postgresql-typed341.255PostgreSQL interface with compile-time SQL type checking, optional HDBC backend (bsd3, database, library)2023-11-090.6.2.5DylanSimon
postgresql-typed-lifted20.01postgresql-typed operations lifted to any instance of MonadBase or MonadBaseControl. (bsd3, database, library)2017-04-170.5.1.1misandrist
postgrest112.52REST API for any Postgres database (executable, library, mit, network-apis, postgresql, program)2022-07-129.0.1begriffs, steve_chavez, LaurenceIsla, wolfgangwalther
postgrest-ws (deprecated in favor of postgres-websockets)50.00PostgREST extension to map LISTEN/NOTIFY messages to Websockets (bsd3, deprecated, library, program, web)2017-11-070.4.2.0diogob
postie30.01SMTP server library to receive emails from within Haskell programs. (bsd3, library, network)2020-10-070.6.0.2alexbiehl, malvo
postmark40.02Library for postmarkapp.com HTTP Api (bsd3, library, network-apis)2019-02-150.2.7MarkHibberd, novemberkilo
postmark-streams10.01Send email via Postmark using io-streams. (bsd3, library, network)2023-07-200.1.0.4petterb
potoki50.07Simple streaming in IO (library, mit, streaming)2019-01-242.1.4.1NikitaVolkov, effectfully, IrinaArtemeva, vlastachu, OShev
potoki-cereal30.03Streaming serialization (library, mit, potoki, streaming)2018-09-250.3.2NikitaVolkov, IrinaArtemeva, vlastachu, OShev
potoki-conduit20.00Integration of "potoki" and "conduit" (conduit, library, mit, potoki, streaming)2019-01-160.1NikitaVolkov
potoki-core80.07Low-level components of "potoki" (library, mit, streaming)2019-01-242.3.4.1NikitaVolkov, IrinaArtemeva, vlastachu, OShev
potoki-hasql20.01Integration of "potoki" and "hasql". (database, library, mit, streaming)2018-06-191.6NikitaVolkov, effectfully, IrinaArtemeva, vlastachu, OShev
potoki-zlib20.01Streaming ZLib decompression (compression, library, mit, potoki, streaming, zlib)2018-06-210.3IrinaArtemeva
potrace30.01Trace bitmap images to paths using potrace (gpl, graphics, library)2015-06-100.1.0.0cchalmers
potrace-diagrams20.01Potrace bindings for the diagrams library (gpl, graphics, library)2015-06-100.1.0.0cchalmers
powerdns10.00PowerDNS API bindings for api/v1 (bsd3, library, network)2024-06-030.4.4dminuoso
powermate40.01bindings for Griffin PowerMate USB (hardware, library, mit, program, system)2017-01-101.0EvanMartin, GwernBranwen, ppelleti
powerpc30.01Tools for PowerPC programs. (bsd3, language, library)2010-03-100.0.1TomHawkins
powerqueue50.03A flexible job queue with exchangeable backends (bsd3, library, web)2017-03-120.2.0.0AlexanderThiemann
powerqueue-distributed50.01A distributed worker backend for powerqueu (bsd3, library, web)2017-03-120.1.0.0AlexanderThiemann
powerqueue-levelmem50.01A high performance in memory and LevelDB backend for powerqueue (bsd3, library, web)2017-03-120.1.1.0AlexanderThiemann
powerqueue-sqs20.01A Amazon SQS backend for powerqueue (bsd3, library, web)2017-03-120.1.0.0AlexanderThiemann
ppad-aead40.00A pure AEAD-ChaCha20-Poly1305 construction (cryptography, library, mit)2025-03-110.1.0JaredTobin
ppad-base16190.01Pure base16 encoding and decoding on bytestrings. (cryptography, library, mit)2025-03-100.2.0JaredTobin
ppad-base5840.00base58 and base58check encoding/decoding. (cryptography, library, mit)2025-02-180.2.0JaredTobin
ppad-bech32200.00bech32 and bech32m encoding/decoding, per BIPs 173 & 350. (cryptography, library, mit)2025-02-280.2.2JaredTobin
ppad-bip3250.00BIP32 hierarchical deterministic wallets. (cryptography, library, mit)2025-02-230.1.1JaredTobin
ppad-bip39550.00BIP39 mnemonic codes. (cryptography, library, mit)2025-03-020.2.1JaredTobin
ppad-chacha40.00A pure ChaCha20 stream cipher (cryptography, library, mit)2025-03-090.1.0JaredTobin
ppad-hkdf100.00A HMAC-based key derivation function (cryptography, library, mit)2025-02-240.2.1JaredTobin
ppad-hmac-drbg20.01HMAC-based deterministic random bit generator (cryptography, library, mit)2025-02-060.1.2JaredTobin
ppad-pbkdf100.00A password-based key derivation function (cryptography, library, mit)2025-02-240.1.1JaredTobin
ppad-poly1305111.750A pure Poly1305 MAC (cryptography, library, mit)2025-03-100.2.0JaredTobin
ppad-ripemd16040.00The RIPEMD-160 hashing algorithm. (cryptography, library, mit)2025-02-060.1.3JaredTobin
ppad-script30.00Primitive Script support. (cryptography, library, mit)2025-01-210.2.1JaredTobin
ppad-secp256k180.01Schnorr signatures, ECDSA, and ECDH on the elliptic curve secp256k1 (cryptography, library, mit)2025-03-140.3.0JaredTobin
ppad-sha25650.02The SHA-256 and HMAC-SHA256 algorithms (cryptography, library, mit)2025-01-210.2.3JaredTobin
ppad-sha51220.00The SHA-512 and HMAC-SHA512 algorithms (cryptography, library, mit)2025-01-210.1.3JaredTobin
ppm30.01a tiny PPM image generator (bsd3, codec, library)2009-05-122009.5.13JinjingWang
pprecord20.00A library for pretty printing Records (library, mit, text)2020-01-230.2.0.0tdct
pptable62.02Pretty Print containers in a tabular format (library, mit, text)2018-03-170.3.0.0gdevanla
pqc50.01Parallel batch driver for QuickCheck (bsd3, library, testing)2013-09-150.8DonaldStewart, KidoTakahiro
pqueue390.017Reliable, persistent, fast priority queues. (bsd3, data-structures, library)2023-08-071.5.0.0LouisWasserman, lspitzner, dfeuer, konsumlamm
pqueue-mtl (deprecated in favor of queuelike)40.01Fully encapsulated monad transformers with queuelike functionality. (algorithms, bsd3, deprecated, library, monads)2009-03-131.0.7LouisWasserman
praglude30.01A pragmatic Prelude (bsd3, library, web)2017-03-280.4.1.0TobiasDammers
pragmatic-show30.02Alternative Show class that gives shorter view if possible. (gpl, library, text)2019-10-130.1.2.1leftaroundabout
prairie60.00A first class record field library (bsd3, data, library)2024-04-110.0.4.0parsonsmatt
preamble50.05Yet another prelude. (library, mit, prelude)2018-10-110.0.65markfine
precis20.01Diff Cabal packages. (distribution, library, program)2010-06-290.5.0StephenTetley
precursor10.01Prelude replacement (library, mit, prelude)2016-10-260.1.0.0oisdk
pred-set50.02Simple cached predicates (bsd3, data, library)2016-04-260.0.1athanclark
pred-trie50.02Predicative tries (bsd3, data, library)2018-11-200.6.1athanclark
predicate30.00Predicates (bsd3, library, test)2023-10-300.0.4TonyMorris
predicate-class10.04Helper class for passing context along a predicate value (data, library, mit)2018-03-230.1.0.1HeliWang
predicate-transformers282.00A library for writing predicates and transformations over predicates in Haskell (bsd3, data, library)2024-10-130.17.0.0edmundnoble
predicate-typed40.00Predicates, Refinement types and Dsl (bsd3, data, library)2020-11-200.7.4.5gbwey
predicates30.04A couple of convenience functions for forming predicates. (bsd3, combinators, library)2009-01-230.1GeorgePollard
predictive20.01Predict the future, backtrack on failure (bsd3, data, library)2016-08-220.1.0esz
prednote30.05Evaluate and display trees of predicates (bsd3, data, library)2015-09-100.36.0.4OmariNorman
prednote-test (deprecated in favor of prednote)20.01Tests and QuickCheck generators to accompany prednote. (bsd3, data, deprecated, library, program)2015-01-020.26.0.4OmariNorman
prefix-expression120.01 (bsd3, library, text)2018-04-111.2.6vonfry
prefix-units70.03A basic library for SI/IEC prefix units (bsd3, data, library)2023-04-260.3.0.1IustinPop
prefork20.01A library for building a prefork-style server quickly (library, mit, system)2014-10-080.0.9ikehara, junjihashimoto
pregame20.02Prelude for applications (library, mit, prelude)2016-12-101.0.3.0jxv
prelate140.015A Prelude (library, prelude)2025-03-150.8.0.0tek
preliminaries90.01A larger alternative to the Prelude. (bsd3, library, prelude)2017-02-010.1.6.0yghor
prelude-compat70.011Provide Prelude and Data.List with fixed content across GHC versions (bsd3, compatibility, haskell2010, library, prelude)2019-05-230.0.0.2HenningThielemann
prelude-edsl60.01An EDSL-motivated subset of the Prelude (bsd3, language, library)2016-04-200.4EmilAxelsson
prelude-extras (deprecated in favor of base, transformers-compat)170.08Higher order versions of Prelude classes (bsd3, combinators, deprecated, library, polymorphism)2016-01-170.4.0.3EdwardKmett, EricMertens
prelude-generalize40.01Another kind of alternate Prelude file (library, prelude, public-domain)2012-06-080.4AaronBlack
prelude-prime (deprecated)50.01A slightly better (but conservative) Prelude (deprecated, library, mit, prelude)2013-05-230.1RomanCheplyaka
prelude-safeenum130.02A redefinition of the Prelude's Enum class in order to render it safe. (bsd3, library, prelude)2021-10-180.1.1.3WrenThornton, WrenRomano
prelude201030.01Provide Prelude with fixed content across GHC versions (bsd3, haskell2010, library, prelude)2016-04-160.0HenningThielemann
preludeplus40.01Generalizes List functions and replaces partials with NonEmpty equivalents. (bsd3, library, prelude)2018-08-260.1.0.5jnbooth
preprocess-haskell40.01Preprocess Haskell Repositories. (bsd3, language, library)2015-03-120.0.1.1bsummer4
preprocessor20.01Remove cpp annotations to get the source ready for static analysis. (cpp, library, mit, source-code-analysis)2016-09-010.1.0.0meditans
preprocessor-tools150.01A framework for extending Haskell's syntax via quick-and-dirty preprocessors (bsd3, code-generation, language, library, source-tools)2018-05-052.0.2JesseTov
preql20.00safe PostgreSQL queries using Quasiquoters (bsd3, database, library, postgresql)2021-07-310.6bergey
presburger40.03A decision procedure for quantifier-free linear arithmetic. (algorithms, bsd3, library)2015-03-241.3.1IavorDiatchki
present70.01Make presentations for data types. (bsd3, development, library)2017-03-224.1.0ChrisDone, sjakobi
press20.02Text template library targeted at the web / HTML generation (library, text, web)2009-08-080.1.2BrandonBickford
presto-hdbc30.01An HDBC connector for Presto (apache, database, library)2015-05-180.1.0.3thomasjm
prettify40.06Haskell2010 structured text formatting (bsd3, library, text)2013-06-031.0HansHoglund
pretty82.0447Pretty-printing library (bsd3, library, text)2018-01-291.1.3.6DavidTerei, IanLynagh
pretty-class (deprecated in favor of prettyclass, pretty)60.03Pretty printing class similar to Show. (bsd3, deprecated, library, text)2014-09-141.0.1.1DavidFox
pretty-compact70.04Pretty-printing library (lgpl, library, text)2024-02-143.1JeanPhilippeBernardy
pretty-diff50.03Pretty printing a diff of two values. (bsd3, diffing, library)2021-02-250.4.0.3stoeffel, JasperWoudenberg
pretty-display170.01Typeclass for human-readable display (bsd3, library, program, text)2016-11-260.1.10jsermeno
pretty-error40.01Pretty error messages for runtime invariants (apache, error-handling, library)2015-09-050.1.0.0jml
pretty-ghci22.00Functionality for beautifying GHCi (bsd3, library, program, text)2019-04-160.2.0.0harpocrates
pretty-hex210.09A library for hex dumps of ByteStrings (bsd3, data, library)2019-12-041.1EricMertens, IavorDiatchki, galoisinc
pretty-html10.00Produce nice human-readable HTML (html, library, mit)2023-01-100.1.0.1chris_martin, Monoid_Mary
pretty-loc20.00Tracking and highlighting of locations in source files (bsd3, compilers-interpreters, data, diagnostics, library, pretty-printer, text)2019-06-190.1.0.1GuerricChupin
pretty-ncols40.02A implementation of multi-column layout w/ Text.PrettyPrint (bsd3, library, text)2009-04-160.1JoeFredette
pretty-relative-time90.02Pretty relative time (library, mit, time)2021-11-200.3.0.0Norfair
pretty-show782.595Tools for working with derived `Show` instances and generic inspection of values. (library, mit, program, text)2020-01-301.10IavorDiatchki
pretty-show-ansi-wl40.00Like pretty-show, but only for ansi-wl-pprint (library, mit, text)2018-11-301.9.2.1LiamOConnorDavis
pretty-simple1412.543pretty printer for data types with a 'Show' instance. (bsd3, library, text)2024-12-084.1.3.0cdepillabout, andrewlei, GeorgeThomas
pretty-sop70.01A generic pretty-printer using generics-sop (bsd3, generics, library)2019-05-090.2.0.3AndresLoeh, EdskoDeVries
pretty-terminal130.017Styling and coloring terminal output with ANSI escape sequences. (bsd3, library, program, terminal)2018-02-030.1.0.0loganmac
pretty-tree60.04Pretty-print trees (bsd3, data, library)2012-10-260.1.0.0IvanMiljenovic
pretty-types132.03A small pretty printing DSL for complex types. (bsd3, library, text)2021-01-210.4.0.0SvenHeyll
prettyFunctionComposing40.01prettier function composition by (°) (bsd3, library, syntax)2016-05-132.0.0Nick_Rudnick
prettychart90.01Pretty print charts from ghci. (bsd3, graphics, library, program)2025-01-120.3.0.1tonyday567
prettyclass150.022Pretty printing class similar to Show. (bsd3, library, text)2008-12-051.0.0.0LennartAugustsson
prettyprint-avh410.00API for prettyprinting custom syntax trees (extracted from elm-format) (bsd3, library, pretty-printer, text)2023-04-150.1.1.0avh4
prettyprinter962.5201A modern, easy to use, well-documented, extensible pretty-printer. (bsd2, library, text, user-interfaces)2021-09-111.7.1quchen, sjakobi
prettyprinter-ansi-terminal681.7552ANSI terminal backend for the »prettyprinter« package. (bsd2, library, text, user-interfaces)2021-09-111.1.3quchen, sjakobi
prettyprinter-combinators100.03Some useful combinators for the prettyprinter package (apache, library, text, user-interfaces)2024-05-120.1.3SergeyVinokurov
prettyprinter-compat-annotated-wl-pprint100.01Drop-in compatibility package to migrate from »annotated-wl-pprint« to »prettyprinter«. (bsd2, library, text, user-interfaces)2020-12-271.1quchen, sjakobi
prettyprinter-compat-ansi-wl-pprint440.05Drop-in compatibility package to migrate from »ansi-wl-pprint« to »prettyprinter«. (bsd2, library, text, user-interfaces)2021-09-111.0.2quchen, sjakobi
prettyprinter-compat-wl-pprint120.01Drop-in compatibility package to migrate from »wl-pprint« to »prettyprinter«. (bsd2, library, text, user-interfaces)2021-09-111.0.1quchen, sjakobi
prettyprinter-configurable30.00Configurable pretty-printing (apache, library, text, user-interfaces)2024-11-201.0.0.0effectfully
prettyprinter-convert-ansi-wl-pprint90.00Converter from »ansi-wl-pprint« documents to »prettyprinter«-based ones. (bsd2, library, text, user-interfaces)2021-09-111.1.2quchen, sjakobi
prettyprinter-graphviz170.00A prettyprinter backend for graphviz (bsd3, graphics, library)2020-10-091.1.0.0GeorgeThomas
prettyprinter-interp150.01Efficient interpolation for Prettyprinter (bsd2, data, library, text)2023-01-310.2.0.0PeterLebbing
prettyprinter-lucid120.00A prettyprinter backend for lucid (bsd3, library, web)2024-09-140.2.0.1GeorgeThomas
prettyprinter-vty20.01prettyprinter backend for vty (graphics, library)2017-06-050.1.0.0EricMertens
preview20.01The method of previewing data (instead of wholly show-ing it) (bsd3, data, library)2017-08-060.1.0.4AlexanderThiemann
prim30.00An ergonomic but conservative interface to ghc-prim (library, mit, prelude)2020-04-280.1.0.9dailectic
prim-array40.03Primitive byte array with type variable (bsd3, library, web)2018-03-200.2.2andrewthad
prim-instances20.02Prim typeclass instances (bsd3, data, library)2019-06-260.2chessai
prim-ref10.01Primitive byte array with type variable (bsd3, library, web)2018-05-050.1andrewthad
prim-spoon30.01Catch errors thrown from pure computations using primops. (bsd3, error-handling, library)2016-05-020.1.0lambdamichael
prim-uniq130.04Opaque unique identifiers in primitive state monads (data, dependent-types, library, public-domain)2020-04-150.2BertramFelgenhauer, JamesCook, RyanTrinkle
primal32.01Primeval world of Haskell. (algorithms, bsd3, library)2021-01-220.3.0.0lehins
primal-memory32.00Unified interface for memory managemenet. (algorithms, bsd3, library)2021-01-220.3.0.0lehins
prime40.00prime number tools (gpl, library, math)2021-01-180.1.1jlamothe
primecount50.00Bindings to the primecount library (bsd3, library, math, number-theory)2024-12-230.1.0.2pgujjula
primes342.018Efficient, purely functional generation of prime numbers (algorithms, bsd3, library, numerical)2011-04-290.2.1.0SebastianFischer
primes-type10.01Type-safe prime numbers. (algorithms, library, numerical)2017-10-090.2.0.3kindaro
primesieve60.00FFI bindings for the primesieve library. (algorithms, foreign, library, math, mit, number-theory, program)2024-03-170.2.0sighingnow
primitive2002.5562Primitive memory-related operations (bsd3, data, library)2023-10-050.9.0.0HerbertValerioRiedel, Bodigrim, andrewthad, chessai, topos
primitive-addr460.07Addresses to unmanaged memory (bsd3, data, library)2024-03-050.1.0.3andrewthad, chessai, l3c_amartin
primitive-atomic10.00Wrappers for primops around atomic operations (bsd3, data, library)2024-03-260.1.0.2andrewthad
primitive-checked130.07primitive functions with bounds-checking (array, bsd3, library)2022-04-150.7.3.0andrewthad, konsumlamm
primitive-containers90.03containers backed by arrays (bsd3, data-structures, library)2023-07-050.5.1andrewthad
primitive-convenience10.00convenience class for PrimMonad m/PrimState m (bsd3, data, library)2019-09-260.1chessai
primitive-extras1510.03Extras for the "primitive" library (library, mit, primitive)2025-02-130.10.2.2NikitaVolkov
primitive-foreign20.00using the `Prim` interface for the FFI (bsd3, data, library)2019-11-150.1.1chessai
primitive-indexed30.01 (bsd3, library, unclassified)2018-06-110.1.0.0andrewthad
primitive-maybe40.01Arrays of Maybes (array, bsd3, library)2019-01-080.1.1.1andrewthad, chessai
primitive-offset230.04Types for offsets into unboxed arrays (bsd3, data, library)2024-03-050.2.0.1andrewthad, l3c_amartin
primitive-primvar20.00Unboxed variables for `Prim` values. (library, primitive)2022-09-150.0.0.0qrpnxz
primitive-serial50.00Serialisation of primitive types (bsd2, library, serialization)2023-07-190.1AshleyYakeley
primitive-simd22.01SIMD data types and functions (bsd3, data, library)2016-02-010.1.0.0JonasScholl
primitive-slice10.01Slices of primitive arrays (bsd3, data, library)2023-01-110.1.0.0andrewthad
primitive-sort80.01Sort primitive arrays (bsd3, library, software)2024-02-070.1.2.4andrewthad, l3c_amartin
primitive-stablename30.00primitive operations on StableNames (bsd3, data, library)2019-05-160.1chessai
primitive-unaligned160.05Unaligned access to primitive arrays (bsd3, data, library)2022-09-120.1.1.2andrewthad, chessai
primitive-unlifted920.020Primitive GHC types with unlifted types inside (bsd3, data, library)2024-10-112.2.0.0andrewthad, chessai
primus10.01nonempty and positive functions (bsd3, data, general, library)2022-04-130.3.0.0gbwey
pringletons30.01Classes and data structures complementing the singletons library (bsd3, library, web)2016-10-300.4andrewthad
print-console-colors72.00Print all ANSI console colors (bsd3, console, library, program)2019-09-170.1.0.0cdepillabout
print-debugger50.01Debug print formatting library. (debug, library, public-domain)2016-02-141.1.9johnreedlol
print-info50.02Can be used to coordinate the printing output. (data, library, mit)2020-09-010.1.3.0OleksandrZhabenko
printcess10.01Pretty printing with indentation, mixfix operators, and automatic line breaks. (bsd3, library, pretty-printer)2017-01-260.1.0.3m0rphism
printf-mauke60.01A Perl printf like formatter. (bsd3, library, text)2016-04-170.7.0LukasMai
printf-safe30.01Type safe interface for Text.Printf (bsd3, library, text)2016-09-090.1.0.1kcsongor
prints10.01The Artist Formerly Known as Prints (bsd3, library, text)2018-03-010.1.0.2ev
priority-queue60.02Simple implementation of a priority queue. (bsd3, data, library)2010-10-200.2.2JamesCook
priority-sync30.02Cooperative task prioritization. (bsd3, concurrency, library, program)2011-04-060.2.1.1ChristopherLaneHinson
private-hackage-uploader42.00Upload a package to the public or private hackage, building its docs (library, mit, system)2017-10-100.2.3.0ChrisDornan
privileged-concurrency30.01Provides privilege separated versions of the concurrency primitives. (bsd3, concurrency, library)2017-12-080.7.0JeffShaw, OmerAgacan
prizm50.01Convert colors to different color spaces, interpolate colors, and transform colors (bsd3, graphics, library)2017-04-293.0.0ParnellSpringmeyer
pro-abstract20.00Abstract syntax for writing documents (language, library, mpl)2022-03-070.3.0.0chris_martin
pro-source20.00Utilities for tracking source locations (library, mpl, parsing)2022-02-030.1.0.0chris_martin, Monoid_Mary
prob40.00Discrete probability monad (bsd3, library, math)2022-12-190.1.1ChrisSmith
prob-fx20.00A library for modular probabilistic modelling (bsd3, library, program, statistics)2022-07-170.1.0.2minnguyen
probability140.04Probabilistic Functional Programming (bsd3, graphics, library, math, monads)2023-02-150.2.8HenningThielemann
probability-polynomial72.01Probability distributions via piecewise polynomials (bsd3, deltaq, library, math, numeric, probability)2025-01-171.0.0.1HeinrichApfelmus, semanticphilosopher, peterwthompson
probable12.02Easy and reasonably efficient probabilistic programming and random generation (bsd3, library, math, statistics)2018-02-110.1.3AlpMestanogullari
proc50.03Parse process information for Linux (gpl, library, system)2011-05-070.0.9AndyStewart
proc-net30.01Parse /proc/net/{tcp,tcp6,udp,udp6} (library, mit, network)2016-08-081.0.0.2implementation
process2562.01030Process libraries (bsd3, library, system)2024-10-151.6.25.0AustinSeipp, BenGamari, HerbertValerioRiedel, IanLynagh, MichaelSnoyman, SimonMarlow, tomjaguarpaw
process-conduit (deprecated in favor of conduit-extra)130.07Conduits for processes (deprecated) (bsd3, conduit, deprecated, library, system)2014-07-171.2.0.1HideyukiTanaka, MichaelSnoyman
process-extras360.030Process extras (library, mit, system)2018-02-030.7.4DavidFox, DavidLazar
process-iterio20.01IterIO Process Library (bsd3, library, system)2012-11-050.0.0GregFitzgerald
process-leksah10.03Process libraries (bsd3, library, system)2010-12-031.0.1.4HamishMackenzie
process-listlike (deprecated in favor of process-extras)60.05Process extras (deprecated, library, mit, system)2014-12-041.0DavidFox
process-progress (deprecated in favor of process-extras)30.01Run a process and do reportsing on its progress. (bsd3, deprecated, library, system)2014-09-020.14DavidFox
process-qq10.01Quasi-Quoters for exec process (bsd3, library, system)2011-12-050.2.0HideyukiTanaka
process-sequential100.01A test suite for the complex multi files multi level processment. (library, mit, system, testing)2022-08-170.1.2.0OleksandrZhabenko
process-streaming280.02Streaming interface to system processes. (bsd3, library, system)2018-04-070.9.3.0DanielDiazCarrete
processing22.01Web graphic applications with processing.js. (bsd3, graphics, library)2016-06-011.2.0.2DanielDiaz
processing-for-haskell60.02Computer graphics for kids and artists with Processing implemented in Haskell. (bsd3, graphics, library)2016-07-060.1.0.1AntonKholomiov
processmemory10.00C bindings for the gnu-extension functions process_vm_readv and process_vm_writev (bsd3, library, system)2020-06-050.1.0.0martijn
processor-creative-kit60.01a creation kit for instruction sets and cpu simulators and development tools (bsd3, embedded, hardware, language, library, system)2015-01-310.1.0.1takenobut
procex20.00Ergonomic process launching with extreme flexibility and speed (library, mit, shell, system)2022-08-290.3.3las
procrastinating-structure (deprecated)30.01Pure structures that can be incrementally created in impure code (data, deprecated, library)2009-06-151.0.1JakeMcArthur
procrastinating-variable30.02Haskell values that cannot be evaluated immediately. (bsd3, data, library)2009-06-081.0.2GregoryCrosswhite
procstat20.01get information on processes in Linux (bsd3, library, system)2011-05-010.1.0.1PatrickPalka
proctest90.01An IO library for testing interactive command line programs (library, mit, program, testing)2025-02-040.1.3.1NiklasHambuechen
prodapi20.02Some curated and opinionated packages for building Haskell services. (bsd3, library, system)2024-04-210.1.0.0LucasDiCioccio
prodapi-proxy20.00write an HTTP proxy with prodapi counters (bsd3, library, system)2024-04-220.1.0.0LucasDiCioccio
prodapi-userauth20.00a base lib for performing user-authentication in prodapi services (bsd3, library, web)2024-04-220.1.0.0LucasDiCioccio
producer20.01Simple streaming datatype (education, library, mit)2017-10-030.1.0.0etorreborre
product (deprecated)40.01Product category (bsd3, deprecated, library, math)2017-11-280.1.0.0
product-isomorphic80.05Weaken applicative functor on products (bsd3, data, library)2023-11-260.0.3.4KeiHibino
product-profunctors260.011product-profunctors (bsd3, category, control, library)2023-04-130.11.1.1tomjaguarpaw
profiteur162.251Treemap visualiser for GHC prof files (bsd3, development, library, profiling, program)2023-10-230.4.7.0JasperVanDerJeugt
profunctor-arrows80.01Profunctor arrows (bsd3, data, library, profunctors)2020-03-070.0.1cmk
profunctor-extras420.04This package has been absorbed into profunctors 4.0 (bsd3, categories, control, library)2013-10-134.0EdwardKmett
profunctor-misc40.01Profunctor miscellany (bsd3, data, library, profunctors)2019-10-300.0.0.1cmk
profunctor-monad20.00Monadic bidirectional programming (control, library, mit)2022-05-170.2.0.0lyxia, SamFrohlich
profunctor-optics80.00A compact optics library compatible with the typeclasses in profunctors. (bsd3, data, lenses, library, profunctors, program)2020-03-090.0.2cmk
profunctors1232.75262Profunctors (bsd3, categories, control, library)2021-02-175.6.2EdwardKmett, ryanglscott
program10.00Programs with Environments and Managed Resources (bsd3, control, library)2021-12-020.1.0.0MichaelSzvetits
progress30.02Simple progress tracking & projection library (bsd3, library, user-interfaces)2009-09-101.0MariusEriksen
progress-meter30.01Live diagnostics for concurrent activity (bsd3, library, system)2017-12-251.0.0.1esz
progress-reporting32.01Functionality for reporting function progress. (control, lgpl, library)2017-09-271.1.0JeroenBransen
progressbar (deprecated)20.01Progressbar API (bsd3, deprecated, library, system)2009-01-210.0.1AustinSeipp
progression70.01Automates the recording and graphing of criterion benchmarks (bsd3, development, library)2013-06-230.5.0.2KidoTakahiro, NeilBrown
proj4-hs-bindings20.01Haskell bindings for the Proj4 C dynamic library. (data, library)2013-09-220.1PavelPenev
project-forge (deprecated)20.00A project initialization library (bsd3, deprecated, development, library)2022-10-040.3.0.0bradleysaul
project-m3652.00Relational Algebra Engine (library, mit, program, public-domain, relational-algebra)2024-08-261.1.0agentm
project-template270.04Specify Haskell project templates and generate files (bsd3, development, library)2020-07-060.2.1.0MichaelSnoyman
projectile20.01Go to README.md (library, mit, todo)2017-08-260.0.0.2RomanGonzalez
projection30.03Projection function for arbitrarily nested binary product types. (bsd3, generics, library)2014-08-220.1PatrickBahr
projectroot60.01Bindings to the projectroot C logic (library, mit, system)2015-12-200.2.0.1yamadapc
prolens42.00Profunctor-based lightweight implementation of optics (data, lenses, library, mpl, optics)2021-03-140.0.0.1vrom911
prolog60.02A Prolog interpreter written in Haskell. (language, library, public-domain)2020-08-250.3.2DanielSeidel, JanisVoigtlaender, MarcelFourne, MatthiasBartsch
prolog-graph-lib60.01Generating images of resolution trees for Prolog queries. (language, library, public-domain)2019-01-230.2.1.1DanielSeidel, JanisVoigtlaender, MarcelFourne, MatthiasBartsch
prologue50.06Better, more general Prelude exporting common utilities. (apache, control, library)2018-12-183.2.6danilo2, iamrecursion
prolude (deprecated)232.00ACI Learning's custom prelude (deprecated, library, mit, prelude)2023-01-260.0.0.30fozworth, saramuse
prometheus742.255Prometheus Haskell Client (bsd3, library, metrics, monitoring, system, web)2024-08-072.3.0wraithm, LukeHoersten, cdepillabout
prometheus-client260.016Haskell client library for http://prometheus.io. (apache, library, network)2023-08-011.1.1OliverCharles, fimad, jml
prometheus-effect (deprecated in favor of prometheus-client, wai-middleware-prometheus, prometheus-metrics-ghc)32.00Instrument applications with metrics and publish/push to Prometheus (bsd3, deprecated, library, program, unclassified)2017-11-081.1.0OliverCharles
prometheus-metrics-ghc200.09Metrics exposing GHC runtime information for use with prometheus-client. (apache, library, network)2021-08-271.0.1.2OliverCharles, fimad, jml
prometheus-proc50.00Export metrics from /proc for the current process (bsd3, library, system)2024-04-030.1.6.0OliverCharles
prometheus-wai-middleware40.00Instrument a wai application with various metrics (bsd3, library, program, web)2020-07-301.0.1.0wraithm, IanShipman
promise20.01A monadic interface for async (bsd3, concurrency, library)2014-05-280.1.0.0JonathanFischoff
promises82.01Lazy demand-driven promises (bsd3, concurrent, lazy, library)2016-01-170.3EdwardKmett, phadej, ryanglscott
prompt30.01Monad (and transformer) for deferred-effect pure prompt-response queries (control, library, mit)2016-05-260.1.1.2jle
pronounce50.01A library for interfacing with the CMU Pronouncing Dictionary (bsd3, library, text)2018-08-231.2.0.0NoahGoodman
proof-assistant-bot40.00Telegram bot for proof assistants (dependent-types, library, mit, program)2024-02-070.2.2swamp_agr
proof-combinators (deprecated in favor of liquid-prelude)20.01DEPRECATED (deprecated, library, mit, theorem-proving)2018-03-280.1.0.0FacundoDominguez, nikivazou
prop-unit50.03Conveniences for using Hedgehog as a unit test runner (bsd3, library, testing)2024-12-181.0.1ejconlon
propane20.01Functional synthesis of images and animations (bsd3, graphics, library)2011-12-220.1KeeganMcAllister
propeller20.01A Propagator Library (bsd3, data, library)2024-08-310.4.0.0MichaelSzvetits
propellor222.01property-based host configuration management in haskell (bsd2, library, program, utility)2023-06-105.17JoeyHess
properties20.01check quickCheck properties in real time. (bsd3, library, testing)2010-06-110.0.2AlbertoCorona
property (deprecated)30.02common properties (bsd3, deprecated, library, math, testing)2019-10-300.0.1cmk
property-list20.03Apple property list parser (data, library, parsing, public-domain, xml)2015-06-190.1.0.5JamesCook
property-matchers110.00A library for tests, based on transforming and writing properties (bsd3, data, library)2024-12-270.4.0.0edmundnoble
proplang40.01A library for functional GUI development (bsd3, library, user-interfaces)2007-08-150.1NeilMitchell
props40.01Reusable quickcheck properties (bsd3, library, test)2014-08-120.1.2AlecHeller
proquint20.00Proquints: Identifiers that are Readable, Spellable, and Pronounceable (data, library)2023-04-050.1.0.0fgaz
prosidy32.251A simple language for writing documents. (language, library, mpl)2020-03-301.6.0.2jafc
prosidyc10.00A DSL for processing Prosidy documents. (language, library, mpl)2020-04-160.3.0.0jafc
prospect50.01Explore continuations with trepidation (bsd3, control, library)2018-07-100.1.0.0isovector
prosper20.01Bindings to the Prosper marketplace API (bsd3, finance, library)2015-04-100.1.1wraithm
proteaaudio40.02Simple audio library for Windows, Linux, OSX. (bsd3, library, sound)2023-10-220.10.1CsabaHruska
proteaaudio-sdl70.01Simple audio library for SDL. (bsd3, library, sound)2023-10-220.10.1CsabaHruska
proteome60.01Neovim Project Manager (library, neovim, program)2022-09-260.9.10tek
proto-lens482.045A lens-based implementation of protocol buffers in Haskell. (bsd3, data, library)2024-04-090.7.1.5JudahJacobson, gnezdo, JinwooLee
proto-lens-arbitrary130.02Arbitrary instances for proto-lens. (bsd3, data, library)2025-01-280.1.2.14JudahJacobson, gnezdo, JinwooLee
proto-lens-combinators (deprecated in favor of proto-lens)170.01Utilities functions to proto-lens. (bsd3, data, deprecated, library)2018-10-120.4.0.1JudahJacobson, gnezdo
proto-lens-descriptors (deprecated in favor of proto-lens)80.02Protocol buffers for describing the definitions of messages. (bsd3, data, deprecated, library)2017-07-310.2.2.0JudahJacobson, gnezdo
proto-lens-etcd30.00proto-lens-etcd - protobuffer lenses for etcd provided by protoc-lens-protoc (apache, library, unclassified)2025-02-190.1.0locallycompact
proto-lens-jsonpb62.01JSON protobuf encoding for proto-lens (bsd3, library, web)2023-01-050.2.2patrick_thomson, tclem, robrix, rewinfrey
proto-lens-optparse80.01Adapting proto-lens to optparse-applicative ReadMs. (bsd3, data, library)2025-01-280.1.1.13JudahJacobson, gnezdo, JinwooLee
proto-lens-protobuf-types510.09Basic protocol buffer message types. (bsd3, data, library)2025-01-280.7.2.2JudahJacobson, gnezdo, JinwooLee
proto-lens-protoc290.011Protocol buffer compiler for the proto-lens library. (bsd3, data, library, program)2025-01-280.9.0.0JudahJacobson, gnezdo, JinwooLee
proto-lens-runtime400.022 (bsd3, library, unclassified)2025-01-280.7.0.7JudahJacobson, gnezdo, JinwooLee
proto-lens-setup140.01Cabal support for codegen with proto-lens. (bsd3, library, unclassified)2025-01-280.4.0.9JudahJacobson, gnezdo, JinwooLee
proto3-suite130.01A higher-level API to the proto3-wire library (apache, codec, library, program)2024-02-200.7.0GabrielGonzalez, ParnellSpringmeyer, evanrelf, rizoid, jcarr_awake
proto3-wire320.04A low-level implementation of the Protocol Buffers (version 3) wire format (apache, codec, library)2024-06-121.4.3GabrielGonzalez, ParnellSpringmeyer, evanrelf, rizoid, jcarr_awake
protobuf80.07Google Protocol Buffers via GHC.Generics (bsd3, data, library)2021-12-20NathanHowell, YorickLaupa
protobuf-builder20.00Slow protobuf implementation (bsd3, data, library)2022-12-210.1.0.0andrewthad
protobuf-native20.01Protocol Buffers via C++ (bsd3, data, library, program)2014-10-161.0.0.1MaxwellSwadling
protobuf-simple80.01Simple Protocol Buffers library (proto2) (data, library, mit, program)2021-07-180.1.1.1mrijkeboer
protocol10.00Model distributed system as type-level multi-party protocol (bsd3, control, distributed-computing, distributed-systems, library, protocol)2020-07-120.1.0.1epoberezkin
protocol-buffers522.021Parse Google Protocol Buffer specifications (bsd3, library, text)2020-11-052.4.17ChrisKuklewicz, TvH, k_bx
protocol-buffers-descriptor740.019Text.DescriptorProto.Options and code generated from the Google Protocol Buffer specification (bsd3, library, text)2020-11-052.4.17ChrisKuklewicz, TvH, k_bx
protocol-buffers-descriptor-fork40.03Text.DescriptorProto.Options and code generated from the Google Protocol Buffer specification (bsd3, library, text)2014-08-282.0.16StefanWehr
protocol-buffers-fork30.05Parse Google Protocol Buffer specifications (bsd3, library, text)2014-08-282.0.16StefanWehr
protocol-radius110.01parser and printer for radius protocol packet (bsd3, library, network)2024-07-050.0.1.2KeiHibino
protocol-radius-test110.01testsuit of protocol-radius haskell package (bsd3, library, testing)2019-09-130.1.0.1KeiHibino
protolude622.5122A small prelude. (library, mit, prelude)2024-02-050.3.4sdiehl, adamwespiser
protolude-lifted20.01Protolude with lifted-base and lifted-async. (bsd3, library, prelude)2017-03-020.1.1.0ppb
proton30.00 (bsd3, library, unclassified)2021-05-240.0.4ChrisPenner
proton-haskell30.01Simple XML templating library (apache, library, web)2015-06-080.7jrbriggs
prototype10.01prototype-based programming on Haskell (bsd3, development, library)2011-08-150.5.3YoshikuniJujo
provenience20.00Computations that automatically track data dependencies (algorithm-visualization, gpl, library)2022-09-050.1.2.4olf
provide10.00Lightweight dependency injection / namespaced+typed implicit-ish arguments (bsd3, data-structures, library)2024-11-240.1.0.0RyanTrinkle
proxied100.02Make functions consume Proxy instead of undefined (bsd3, data, library)2024-04-200.3.2ryanglscott
proxy30.01proxy helpers (data, library, mit)2018-05-160.1.0.0chessai
proxy-kindness20.02A library for kind-polymorphic manipulation and inspection of Proxy values (bsd3, data, library)2013-11-150.1BrandonSimmons
proxy-mapping10.01Mapping of Proxy Types (bsd3, data, library)2017-12-040.1.0.1DanielVanDenEijkel
prune-juice40.00Prune unused Haskell dependencies (development, library, mit, program)2021-11-120.7dfithian
psc-ide (deprecated in favor of purescript)32.00Language support for the PureScript programming language (deprecated, development, library, mit, program, purescript)2016-02-020.6.1kritzcreek
pseudo-boolean130.01Reading/Writing OPB/WBO files used in pseudo boolean competition (bsd3, constraints, data, library, logic, optimisation, optimization)2024-03-140.1.11.0MasahiroSakai
pseudo-trie50.03A tagged rose-tree with short circuited unique leaves (bsd3, library, unclassified)2015-04-080.0.4.3athanclark
pseudomacros70.01cpp-style built-in macros using Template Haskell (bsd3, development, library, template-haskell)2015-04-270.0.2LukasMai
psi60.01Yet another custom Prelude. (library, mit, prelude)2016-10-010.1.1.0fractalcat
psql22.00PostgreSQL client (bsd3, database, library)2022-01-090.0.0vapourismo
psql-helpers40.01A small collection of helper functions to generate postgresql queries (library, mit, web)2016-03-030.1.0.0AlexanderThiemann
psql-utils30.00PostgreSQL Simple util tools. (bsd3, data, library, postgresql)2020-09-140.2.0.1Lupino
psqueues1442.537Pure priority search queues (bsd3, data-structures, library)2025-01-280.2.8.1JasperVanDerJeugt
pstemmer20.00A Haskell Implementation of the Porter Stemmer (bsd3, library, natural-language-processing, program)2016-08-020.1.0.0wapxmas
psx70.00Integrate libpsx with the GHC RTS (bsd3, library, system)2023-02-280.1.1.1NicolasTrangez
ptera20.01A parser generator (library, parsing)2023-09-110.4.0.0mizunashi_mana
ptera-core20.02A parser generator (library, parsing)2023-09-110.2.0.0mizunashi_mana
ptera-th30.00A parser generator (library, parsing)2023-09-110.7.0.0mizunashi_mana
pthread60.01Bindings for the pthread library. (bsd3, ffi, library, system)2019-06-170.2.1FacundoDominguez
ptr330.07Experimental abstractions for operations on pointers (data, library, mit, ptr)2025-02-030.16.8.7NikitaVolkov
ptr-poker150.01Pointer poking action construction and composition toolkit (data, library, memory, mit, ptr)2024-12-030.1.2.16NikitaVolkov
ptrdiff50.03Type-checked pointer diffs (ffi, library)2021-03-240EdwardKmett
publicsuffix520.01The publicsuffix list exposed as proper Haskell types (data, library, mit)2020-05-260.20200526wereHamster
publicsuffixlist100.06Is a given string a domain suffix? (bsd3, library, network)2013-04-110.1MylesMaxfield
publicsuffixlistcreate30.01Create the publicsuffixlist package (bsd3, library, network)2013-02-200.0.2MylesMaxfield
pubnub30.01PubNub Haskell SDK (api, cloud, library, mit, program)2014-05-051.1.1tsloughter
pubsub30.01A library for Google/SixApart pubsub hub interaction (bsd3, library, program, web)2009-08-090.11SigbjornFinne
puffytools20.01A CLI assistant (bsd3, library, program, utility)2014-12-060.0.0.1pharpend
pugixml20.01pugixml binding. (library, mit, text, xml)2016-11-050.3.3NeilMitchell, HirotomoMoriwaki
pugs-DrIFT80.02DrIFT with pugs-specific rules. (bsd3, library, program, pugs)2015-08-152.2.3.20150815AudreyTang, JeffShaw
pugs-HsSyck20.01Fast, lightweight YAML loader and dumper (library, text)2008-02-200.41GwernBranwen
pugs-compat90.01Portable Haskell/POSIX layer for Pugs (library, public-domain, pugs)2015-08-150.0.6.20150815AudreyTang, JeffShaw
pugs-hsregex20.01Haskell PCRE binding (bsd3, library, text)2008-02-201.0GwernBranwen
pulse20.01Synchronize actions to a time pulse (concurrency, library, mit)2016-06-040.1.0.0AlexanderThiemann
pulse-simple80.04binding to Simple API of pulseaudio (bsd3, library, sound)2012-12-200.1.14DaikiHanda, turion
pulseaudio30.01A low-level (incomplete) wrapper around the pulseaudio client asynchronous api (lgpl, library, sound)2017-09-290.0.2.1ongyerth
punkt40.01Multilingual unsupervised sentence tokenization with Punkt. (library, mit, natural-language-processing, text)2014-10-170.1.1bryant
punycode60.04Encode unicode strings to ascii forms according to RFC 3492 (bsd3, library, text, web)2013-01-052.0JonKristensen, MylesMaxfield
pure-cdb10.01Another pure-haskell CDB (Constant Database) implementation (bsd3, database, library)2016-01-190.1.2BorisSukholitko
pure-fft50.04Fast Fourier Transform (bsd3, library, math, numerical)2009-03-150.2.0MattMorrow
pure-io32.01Pure IO monad. (bsd3, development, education, library)2014-06-300.2.1ChrisDone
pure-noise40.00Performant, modern noise generation for Haskell with minimal dependencies. Based on FastNoiseLite. (bsd3, library, math, noise, numeric)2024-10-150.1.0.1jtnuttall
pure-priority-queue60.01A pure priority queue. (bsd3, data, library)2009-12-130.14BradLarsen
pure-shuffle40.01 (algorithms, apache, library)2018-11-160.1.1.1igrep
pure-sum10.01Derive fromString/toString-like for pure sum types (data, library)2024-03-180.1.0.0gdifolco
pure-sum-aeson20.00Derive fromString/toString-like for pure sum types (aeson instances) (data, library)2024-03-180.1.0.0gdifolco
pure-zlib60.04A Haskell-only implementation of zlib / DEFLATE (bsd3, codec, library, program)2021-10-300.8.0AdamWick
pureMD5210.074A Haskell-only implementation of the MD5 digest (hash) algorithm. (bsd3, codes, cryptography, data, library)2021-10-142.1.4ThomasDuBuisson, haskell_github_trust
purebred-email60.00types and parser for email messages (including MIME) (agpl, data, email, library)2023-10-250.6.0.2frasertweedale, romanofski
purenix30.00Nix backend for PureScript. Transpile PureScript code to Nix. (bsd3, library, program, unclassified)2022-10-301.1cdepillabout, jonascarpay
puresat40.01Pure Haskell SAT-solver (bsd3, data, library)2024-08-180.1phadej
purescheme-wai-routing-core110.00Simple Routing functions for Wai Applications (apache, library, program, web)2020-11-100.1.3.0frincon
purescript642.759PureScript Programming Language Compiler (bsd3, language, library, program)2024-02-070.15.15PhilFreeman, hdgarrood, kritzcreek, garyb, LiamGoodacre, PureFunctor, kl0tl, jalexm
purescript-ast40.02PureScript Programming Language Abstract Syntax Tree (bsd3, language, library)2021-04-180.1.1.0hdgarrood, kritzcreek, garyb, LiamGoodacre, kl0tl
purescript-bridge431.251Generate PureScript data types from Haskell data types (bsd3, library, web)2023-01-280.15.0.0eskimo, peterbecich
purescript-cst40.04PureScript Programming Language Concrete Syntax Tree (bsd3, language, library)2022-02-260.5.0.0hdgarrood, kritzcreek, garyb, LiamGoodacre, kl0tl, jalexm
purescript-iso90.01Isomorphic trivial data type definitions over JSON (bsd3, library, web)2018-11-290.0.6athanclark
purescript-tsd-gen10.00TypeScript Declaration File (.d.ts) generator for PureScript (bsd3, language, library, program)2019-06-210.3.0.0aratamizuki
pursuit-client (deprecated)50.00A cli client for pursuit (bsd3, deprecated, library, program, web)2016-04-300.1.0gilmi
purview30.00A simple, fun way to build websites (bsd3, library, web)2023-09-290.2.0.2bontaq
push-notifications40.00Push notifications for Android and iOS (bsd3, library, network-apis)2019-04-030.2.1abrar
push-notify20.03A server-side library for sending push notifications. (cloud, library, mit, mobile, network)2014-03-240.1.0.1MarcosPividori
push-notify-apn90.00Send push notifications to mobile iOS devices (bsd3, cloud, library, mobile, network, program)2025-03-070.4.0.3hc, MarcScholten
push-notify-ccs20.02A server-side library for sending/receiving push notifications through CCS (Google Cloud Messaging). (cloud, library, mit, mobile, network)2014-03-240.1.0.1MarcosPividori
push-notify-general40.01A general library for sending/receiving push notif. through dif. services. (cloud, library, mit, mobile, network)2014-03-240.1.0.1MarcosPividori
pushbullet50.01Simple push support for pushbullet (bsd3, library, unclassified)2017-04-180.0.0KevinCotrone
pushbullet-types40.01Datatypes used by the Pushbullet APIs (library, mit, web)2018-03-170.4.1.0tsani
pusher-haskell10.01A Pusher.com client written in Haskell (library, mit, web)2015-07-170.1.0.0sidraval
pusher-http-haskell642.01Haskell client library for the Pusher Channels HTTP API (library, mit, network)2024-12-212.1.0.20willsewell
pusher-ws10.01Implementation of the Pusher WebSocket protocol (library, mit, network)2017-11-200.1.1.0barrucadu
pushover60.01A Haskell Pushover API library (bsd3, library, web)2017-03-040.1.0.1DanMeakin
putlenses10.01Put-based lens library (bsd3, generics, lenses, library)2014-09-300.1.3HugoPacheco
puzzle-draw20.01Creating graphics for pencil puzzles. (graphics, library, mit, program)2018-07-180.3.0.0vollmert
pvar112.02Mutable variable with primitive values (bsd3, data, library)2020-10-191.0.0.0lehins
pvector22.00Fast persistent vectors (bsd3, data, library)2023-03-290.1.1BrianShu
pwstore-fast210.014Secure password storage. (bsd3, cryptography, library)2014-10-032.4.4PeterScott
pwstore-purehaskell100.02Secure password storage, in pure Haskell. (bsd3, cryptography, library)2014-10-032.1.4CorentinDupont, PeterScott
pyffi20.01Call python inline from haskell (language, library, mit)2014-11-110.4.0.2russell91
pyfi30.01Call python inline from haskell (language, library, mit)2014-11-170.4.0.4russell91
python-pickle80.01Serialization/deserialization using Python Pickle format. (bsd3, development, library, program)2024-02-100.3.0VoMinhThu, tacopeland
q4c12-twofinger10.01Efficient alternating finger trees (bsd2, data-structures, library)2018-01-170.2quasicomputational
qbe20.00Types and prettyprinter for the IL of the QBE compiler backend (bsd3, language, library)2022-07-101.1.0.0fgaz
qc-oi-testgenerator10.01Compile time generation of operation invariance tests for QuickCheck (bsd3, library, testing)2014-09-011.2.0.3JanisVoigtlaender, goedderz
qchas62.00A library for implementing Quantum Algorithms (algorithms, bsd3, library, program)2018-07-291.1.0.123ars
qd10.02double-double and quad-double number type via libqd (bsd3, library, math)2012-10-151.0.2.1ClaudeHeilandAllen
qd-vec30.01'Vec' instances for 'qd' types (bsd3, library, math)2012-10-151.1ClaudeHeilandAllen
qed20.01Simple prover (bsd3, library, theorem-provers)2015-11-030.0NeilMitchell
qhull40.00Delaunay triangulation, Voronoi diagrams and convex hulls. (gpl, library, math)2022-08-060.1.0.4andrewufrank
qhull-simple30.01Simple bindings to Qhull, a library for computing convex hulls (bsd3, library, math)2013-07-040.1GardSpreemann
qif20.01A simple QIF file format parser / printer (bsd3, finance, library)2017-01-311.1.1AdamWick
qlinear20.00Typesafe library for linear algebra (bsd3, library, math)2020-08-120.1.2.0JuniorGarbageCollector
qm-interpolated-string100.01Implementation of interpolated multiline strings (data, interpolated, library, public-domain)2022-07-170.3.1.0unclechu
qnap-decrypt40.00Decrypt files encrypted by QNAP's Hybrid Backup Sync (bsd3, cryptography, library, program)2019-07-060.3.5alexkazik
qq-bytes40.00QuasiQuoter for byte sequence (apache, library, text)2025-02-231.0.0.10y2k
qq-literals50.01Compile-time checked literal values via QuasiQuoters. (library, mit, unclassified)2021-09-200.1.1.0hdgarrood
qr30.00Pure Haskell QR encoder library and command line tool (bsd3, data, library, program)2021-04-100.2.0.0PaoloCapriotti
qr-imager (deprecated in favor of qrcode-juicypixels, qrcode-core)60.01Library to generate images. (bsd3, data, deprecated, image, library, qr)2018-09-252.0.0.2vmchale
qr-repa20.00Library to generate QR codes from bytestrings and objects and scale image files (bsd3, data, library, program)2016-12-150.1.0.0
qrcode30.01QR Code library in pure Haskell (bsd3, codec, library)2013-09-180.1.2ChrisYuen
qrcode-core170.03QR code library in pure Haskell (codec, library, mit)2024-09-290.9.10alexkazik
qrcode-juicypixels190.02Converts a qrcode-core image to JuicyPixels (graphics, library, mit)2024-09-290.8.6alexkazik
qsem20.00quantity semaphores (bsd3, concurrency, library)2018-12-050.1.0.0chessai
qt30.01Qt bindings (graphics, library)2015-10-151.1.6.1IvanPerez, keera_studios_ci
qtah-cpp-qt530.01Qt bindings for Haskell - C++ library (graphics, lgpl, library)2021-02-070.8.0khumba
qtah-cpp-qt620.00Qt bindings for Haskell - C++ library (graphics, lgpl, library)2025-02-010.9.1khumba
qtah-generator170.02Generator for Qtah Qt bindings (graphics, lgpl, library, program)2025-02-010.9.0khumba
qtah-qt532.00Qt bindings for Haskell (graphics, lgpl, library)2021-02-070.8.0khumba
qtah-qt630.00Qt bindings for Haskell (graphics, lgpl, library)2025-02-010.9.1khumba
quaalude72.07Extremely minimal prelude (apache, library, prelude)2023-01-260.0.0.1chris_martin
quack30.01Convenience parser combinators for URI query strings (bsd3, library, web)2016-08-300.0.0.3athanclark
quadratic-irrational150.01An implementation of quadratic irrationals (algorithms, data, library, math, mit)2020-04-150.1.1ion, Bodigrim
qualified-imports-plugin30.00GHC plugin to automatically insert qualified imports (bsd3, library, relude)2021-03-270.0.1utdemir
quandl-api30.01Quandl.com API library (api, bsd3, data, library, web)2015-05-180.2.1.0PeterVanDenBrand
quantfin30.01Quant finance library in pure Haskell. (bsd3, finance, library, program)2015-06-130.2.0.0tdees
quantification170.08Rage against the quantification (bsd3, library, web)2024-02-060.8andrewthad, chessai
quantification-aeson20.00Rage against the quantification - integration with Aeson (bsd3, library, web)2024-02-060.8andrewthad
quantities60.01Unit conversion and manipulation library. (bsd3, data, library, math, physics, program)2015-11-070.4.0jdreaver
quantizer70.02Library to provide the behaviour similar to quantum states superposition. (library, math, mit)2024-09-280.4.0.0OleksandrZhabenko
quantum-arrow12.01An embedding of quantum computation as a Haskell arrow (control, library)2009-01-090.0.5LukePalmer
quantum-random70.00Retrieve, store and manage real quantum random data. (library, mit, program, scientific)2017-01-140.6.4Cliff_Harvey
quenya-verb10.01Quenya verb conjugator (agpl, language, library, program)2015-04-030.0.1kaashif
queryparser20.04Analysis and parsing library for SQL queries. (database, library, mit)2018-03-230.1.0.1HeliWang
queryparser-demo10.01Demo package containing queryparser examples (database, library, mit)2018-03-230.1.0.0HeliWang
queryparser-hive20.01Parsing for Hive SQL queries (database, library, mit)2018-03-230.1.0.1HeliWang
queryparser-presto30.01Parsing for Presto SQL queries (database, library, mit)2018-03-230.1.0.1HeliWang
queryparser-vertica20.01Parsing for Vertica SQL queries (database, library, mit)2018-03-230.1.0.1HeliWang
querystring-pickle120.01Picklers for de/serialising Generic data types to and from query strings (data, library, network, web)2014-06-230.2.0BrendanHay
questioner10.01A package for prompting values from the command-line. (library, mit, system)2014-12-070.1.1.0yamadapc
queue (deprecated)110.03Abstraction typeclasses for queue-like things. (bsd3, data, deprecated, library)2010-10-180.1.2JamesCook
queue-sheet80.00queue sheet utility (library, mit, program, utils)2025-01-030.8.0.1TravisCardwell
queuelike40.01A library of queuelike data structures, both functional and stateful. (algorithms, bsd3, library)2009-04-251.0.9LouisWasserman
queues50.00Queue data structures. (bsd3, data, library)2024-03-031.0.0mitchellwrosen
quibble-core30.00Convenient SQL query language for Haskell (but only for single tables) (bsd3, database, library)2022-07-030.1.0.1williamyaoh
quic120.03QUIC (bsd3, library, web)2024-12-030.2.7KazuYamamoto
quick-generator40.01Generator random test data for QuickCheck (bsd3, library, testing)2011-01-240.3YuriyIskra
quick-schema10.01Slimmed down json schema language and validator (data, json, library, mit)2015-11-030.1.0.0benweitzman
quickbench50.00quick & easy benchmarking of command-line programs (development, library, program)2021-10-071.0.1SimonMichael
quickbooks20.01QuickBooks API binding. (bsd3, library, web)2016-05-200.5.0.1jsl, scottmurphy09, stackbuilders, mrkkrp
quickcheck-arbitrary-adt162.06Generic typeclasses for generating arbitrary ADTs (bsd3, library, testing)2018-01-040.3.1.0mchaver, scottfleischmanplow
quickcheck-arbitrary-template100.01Generate QuickCheck Gen for Sum Types (bsd3, library, testing)2020-11-240.2.1.1scottmurphy09, mchaver, scottfleischmanplow
quickcheck-assertions110.02HUnit like assertions for QuickCheck (lgpl, library, testing)2017-01-170.3.0AlekseyUymanov
quickcheck-classes680.06QuickCheck common typeclasses (bsd3, library, testing)2021-04-120.6.5.0andrewthad, chessai
quickcheck-classes-base260.03QuickCheck common typeclasses from `base` (bsd3, library, testing)2021-04-120.6.2.0andrewthad
quickcheck-combinators90.01Simple type-level combinators for augmenting QuickCheck instances. (bsd3, library, test)2023-09-220.0.6athanclark
quickcheck-dynamic330.01A library for stateful property-based testing (apache, library, testing)2025-03-124.0.0ch1bo, abaillyiohk, IOHK
quickcheck-enum-instances40.01arbitrary instances for small enum types (bsd3, library, testing)2018-10-230.1.0.0andrewthad
quickcheck-groups110.00Testing group class instances with QuickCheck (apache, library, testing)2025-01-170.0.1.4JonathanKnowles
quickcheck-higherorder80.02QuickCheck extension for higher-order properties (library, mit, testing)2022-02-030.1.0.1lyxia
quickcheck-instances1560.051Common quickcheck instances (bsd3, library, testing)2024-11-040.3.32AntoineLatter, phadej
quickcheck-io440.07Use HUnit assertions as QuickCheck properties (library, mit, testing)2017-06-160.2.0SimonHengel, parsonsmatt
quickcheck-lockstep100.00Library for lockstep-style testing with 'quickcheck-dynamic' (bsd3, library, testing)2024-12-030.6.0EdskoDeVries, jdral
quickcheck-monoid-subclasses262.00Testing monoid subclass instances with QuickCheck (apache, library, testing)2025-01-170.3.0.5JonathanKnowles
quickcheck-poly20.01Automating QuickCheck for polymorphic and overlaoded properties (bsd3, library, testing)2009-10-230.2.0.1KiYungAhn
quickcheck-properties50.01QuickCheck properties for standard type classes. (bsd3, library, testing)2011-05-280.1AlexeyKhudyakov
quickcheck-property-comb30.01Combinators for Quickcheck Property construction and diagnostics (library, public-domain, testing)2013-12-260.1.0.2jfeltz
quickcheck-property-monad70.01A monad for generating QuickCheck properties without Arbitrary instances. (bsd3, library, testing)2015-09-280.2.4BennoFuenfstueck
quickcheck-quid60.00Quasi-unique identifiers for QuickCheck (apache, library, testing)2025-01-170.0.1.7JonathanKnowles
quickcheck-regex60.02Generate regex-constrained strings for QuickCheck (library, public-domain, quickcheck, regex, test)2014-05-200.0.3AudreyTang
quickcheck-relaxng30.01Generate RelaxNG-constrained XML documents for QuickCheck (hxt, library, public-domain, quickcheck, relaxng, test, xml)2014-05-210.0.2AudreyTang
quickcheck-rematch20.01QuickCheck support for rematch (library, mit, testing)2013-05-190.1.0.0TomCrayford
quickcheck-report30.02Customizable reports for quickcheck properties (library, mit, testing)2016-10-280.1.0.0SimonHudon, bandali
quickcheck-simple210.02Test properties and default-mains for QuickCheck (bsd3, library, testing)2019-08-070.1.1.1KeiHibino
quickcheck-special132.01Edge cases and special values for QuickCheck Arbitrary instances (library, mit, testing)2017-11-090.1.0.6minad
quickcheck-state-machine332.02Test monadic programs using state machine based models (bsd3, library, testing)2024-09-050.10.1stevana
quickcheck-state-machine-distributed40.01Test monadic programs using state machine based models (bsd2, library, testing)2018-05-030.0.1stevana
quickcheck-string-random110.01Helper to build generators with Text.StringRandom (bsd3, library, test)2024-12-310.1.4.4hiratara
quickcheck-text110.04Alternative arbitrary instance for Text (library, mit, text)2016-09-220.1.2.1fractalcat
quickcheck-transformer240.01A GenT monad transformer for QuickCheck library. (library, mit, testing)2023-02-150.3.1.2HenningThielemann
quickcheck-unicode160.01Generator and shrink functions for testing Unicode-related software. (bsd2, library, testing, text)2017-05-211.0.1.0BryanOSullivan
quickcheck-webdriver80.01Utilities for using WebDriver with QuickCheck (library, mit, testing)2014-10-070.1.0.7christianpbrink
quickcheck-with-counterexamples90.02Get counterexamples from QuickCheck as Haskell values (bsd3, library, testing)2019-03-251.2NickSmallbone
quickjs-hs40.01Wrapper for the QuickJS Javascript Engine (javascript, library, mit)2021-01-060.1.2.4goodlyrottenapple, haskell_github_trust
quicklz80.01QuickLZ compression for ByteStrings (codec, gpl, library)2012-09-011.5.0.11AustinSeipp
quickpull (deprecated in favor of tasty-th)20.02Generate Main module with QuickCheck tests (bsd3, deprecated, library, program, testing)2015-03-200.4.2.2OmariNorman
quickselect40.01 (library, mit, unclassified)2018-05-290.1.0.0oisdk
quickset10.01Very fast and memory-compact query-only set and map structures (bsd3, data, data-structures, library)2012-11-140.1.0ErtugrulSoeylemez, esz
quickson (deprecated in favor of aeson-quick)30.01Quick JSON extractions with Aeson (bsd3, deprecated, json, library, text, web)2017-01-090.3ssadler
quickspec72.03Equational laws for free! (bsd3, library, testing)2023-09-212.2NickSmallbone
quickterm32.00An interface for describing and executing terminal applications (development, gpl, library, program)2017-01-180.2.4.0sgschlesinger
quickwebapp30.01A quick webapp generator for any file processing tool (gpl, library, web)2015-09-043.0.0.2jtanguy
quiet302.252Generic deriving of Read/Show with no record labels. (bsd3, generics, library)2020-02-010.2JacobStanley
quipper72.252Meta-package for Quipper. (bsd3, library, quipper)2019-12-300.9.0.0PeterSelinger
quipper-algorithms30.01A set of algorithms implemented in Quipper. (bsd3, library, program, quipper)2019-12-300.9.0.0PeterSelinger
quipper-all30.00Meta-package for Quipper. (bsd3, library, quipper)2019-12-300.9.0.0PeterSelinger
quipper-cabal30.00Some functions to aid in the creation of Cabal packages for Quipper. (bsd3, library, quipper)2019-12-300.9.0.0PeterSelinger
quipper-core (deprecated in favor of quipper-language)40.02An embedded, scalable functional programming language for quantum computing. (bsd3, deprecated, library, unclassified)2017-01-060.8.0.1PeterSelinger
quipper-demos40.01Miscellaneous code snippets that illustrate various Quipper features. (bsd3, library, program, quipper)2019-12-300.9.0.0PeterSelinger
quipper-language60.04Quipper, an embedded functional programming language for quantum computation. (bsd3, library, program, quipper)2019-12-300.9.0.0PeterSelinger
quipper-libraries80.02The standard libraries for Quipper. (bsd3, library, quipper)2019-12-300.9.0.0PeterSelinger
quipper-rendering (deprecated in favor of easyrender)20.01An embedded, scalable functional programming language for quantum computing. (bsd3, deprecated, library, unclassified)2017-01-060.8PeterSelinger
quipper-tools30.01Miscellaneous stand-alone tools for Quipper (bsd3, library, program, quipper)2019-12-300.9.0.0PeterSelinger
quipper-utils70.03Utility libraries for Quipper. (bsd3, library, quipper)2019-12-300.9.0.0PeterSelinger
quiver22.010Quiver finite stream processing library (bsd3, control, library)2015-12-081.1.3patrykz
quiver-binary10.01Binary serialisation support for Quivers (control, library, mit)2016-11-260.1.1.1IvanMiljenovic
quiver-bytestring40.03Quiver combinators for bytestring streaming (bsd3, control, library)2015-09-131.0.0patrykz
quiver-cell10.01Quiver combinators for cellular data processing (bsd3, control, library)2015-08-311.0.0patrykz
quiver-csv10.01Quiver combinators for cellular CSV data processing (bsd3, control, library)2015-08-040.0.0.3patrykz
quiver-enumerator20.01Bridge between Quiver and Iteratee paradigms (bsd3, control, library)2015-08-030.0.0.1patrykz
quiver-groups10.01Group and chunk values within a Quiver (control, library, mit)2016-07-190.1.0.1IvanMiljenovic
quiver-http20.01Adapter to stream over HTTP(s) with quiver (bsd3, control, http, library)2015-08-180.0.0.2ChristianMarie
quiver-instances30.01Extra instances for Quiver (control, library, mit)2016-11-260.2.0.1IvanMiljenovic
quiver-interleave70.01Interleave values from multiple Quivers (control, library, mit)2016-11-260.2.0.2IvanMiljenovic
quiver-sort20.01Sort the values in a quiver (control, library, mit)2016-11-260.2.0.1IvanMiljenovic
quokka10.00Test helpers which help generate data for projects that use postgresql. (database, library, mit, testing)2019-11-060.1.2shirren
quoridor-hs10.01A Quoridor implementation in Haskell (bsd3, game, library, program)2015-01-240.1.1.2talw
quote-quot140.01Divide without division (bsd3, library, math, numerical)2022-04-110.2.1.0Bodigrim
quotet70.00Monad transformer for Quote from template-haskell (library, template-haskell)2022-05-070.0.1.1amesgen
r-glpk-phonetic-languages-ukrainian-durations270.00Can be used to calculate the durations of the approximations of the Ukrainian phonemes. (Ukrainian, glpk, language, library, math, mit, phonetic-languages, program)2023-02-030.5.0.0OleksandrZhabenko
r-tree20.00R-/R*-trees. (data-structures, library, mit)2024-09-081.0.0.0OleksiiDivak
r3x-haskell-sdk50.00 (bsd3, library, program, unclassified)2019-04-140.1.0.0rubixfunctions
raaz52.250Fast and type safe cryptography. (codec, library, program, raaz)2025-02-180.3.11PiyushKurur
rabocsv2qif50.01A library and program to create QIF files from Rabobank CSV exports. (finance, library, program)2017-01-092.0.0SanderVenema
rad (deprecated in favor of ad)20.01Reverse Automatic Differentiation. (bsd3, deprecated, library, math)2012-05-080.1.6.3EdwardKmett
radian30.04Isomorphisms for measurements that use radians. (bsd3, development, library)2021-06-150.2TonyMorris
radium30.01Chemistry (bsd3, chemistry, library)2017-10-230.9.0klangner
radium-formula-parser (deprecated in favor of radium)20.01Chemistry (bsd3, chemistry, deprecated, library)2014-09-270.2klangner
radius72.01Remote Authentication Dial In User Service (RADIUS) (bsd3, library, network)2020-10-160.7.1.0erick
radix-tree92.01Radix trees (bsd3, data-structures, library)2024-10-251.1.0.0SergeyVinokurov, OleksiiDivak
radixtree20.01 (bsd3, library, web)2022-05-270.6.0.0MikeLedger
rados-haskell32.01librados haskell bindings (bsd3, library, system)2014-08-223.1.0ChristianMarie
raft30.01Miscellaneous Haskell utilities for data structures and data manipulation. (data, library, mit)2019-08-140.4.0.0BrianBush
rail-compiler-editor20.01Compiler and editor for the esolang rail. (language, library, mit, program)2014-07-170.3.0.0bubuiic
rails-session22.01Decrypt Ruby on Rails sessions in Haskell (bsd3, library, web)2024-08-210.1.4.0AlfredoDiNapoli, ChrisDornan, filib, etherz10
rainbow410.016Print text to terminal with colors and effects (bsd3, library, system)2019-11-290.34.2.2OmariNorman
rainbow-tests (deprecated)30.02Tests and QuickCheck generators to accompany rainbow. (bsd3, deprecated, library, system)2014-11-240.20.0.4OmariNorman
rainbox80.03Two-dimensional box pretty printing, with colors (bsd3, library, system)2020-03-290.26.0.0OmariNorman
rake50.01Rapid Automatic Keyword Extraction (RAKE) (keyword-extractor, library, natural-language-processing, nlp, rake)2015-07-170.0.1TobiasSchoofs
raketka20.01distributed-process node (library, network-control, program, public-domain)2018-08-021.1.3procione
rakhana20.01Stream based PDF library (bsd3, data, library)2014-09-290.2.0.2YorickLaupa
rakuten20.01The Rakuten API in Haskell (library, mit, web)2018-08-060.1.1.5matsubara0507
ral430.04Random access lists (data, dependent-types, gpl, library, singletons)2024-06-080.2.2phadej
ral-lens90.00Length-indexed random access lists: lens utilities. (data, dependent-types, gpl, lens, library, singletons)2024-06-080.2.1phadej
ral-optics40.00Length-indexed random access lists: optics utilities. (data, dependent-types, gpl, library, optics, singletons)2024-06-080.2.1phadej
ralist70.02Random access list with a list compatible interface. (bsd3, data-structures, library)2021-10-080.4.0.0CarterSchonwald, LennartAugustsson
rallod20.02'$' in reverse. (bsd3, library, web)2010-07-010.0.1MattParker
raml10.01RESTful API Modeling Language (RAML) library for Haskell (library, mit, web)2015-06-050.1.0fnoble
rampart122.250Determine how intervals relate to each other. (library, math, mit)2025-02-022.0.0.9fozworth
ramus60.01Elm signal system for Haskell (library, mit, other)2017-02-070.1.2NickSeagull
rand-vars20.01Random variable library, with Functor, Applicative and Monad instances. (bsd3, library, random)2013-01-070.1RomainEdelmann
rando52.02Easy-to-use randomness for livecoding (gpl, library, random)2018-03-310.0.0.4TomMurphy
random2432.51028Pseudo-random number generation (bsd3, library, system)2025-01-061.3.0DominicSteinitz, lehins, Bodigrim, topos
random-access-file20.00Random file access methods, supporting application-level page cache. (bsd3, library, system)2019-03-080.1.0.0IlyaPortnov
random-access-list30.01Random-access lists in Haskell (bsd3, data-structures, library)2008-06-160.2StephanFriedrichs
random-bytestring200.03Efficient generation of random bytestrings (library, mit, system)2021-02-150.1.4larsk, topos
random-class (deprecated)40.01Class of random value generation (bsd3, deprecated, library, random)2017-12-090.2.0.2
random-cycle30.00Uniform draws of partitions and cycle-partitions, with thinning. (gpl, graphs, library, math)2023-11-190.1.2.0brendanrbrown
random-derive20.01A Template Haskell helper for deriving Random instances (bsd3, development, library)2015-05-030.1.0.0frerich
random-eff20.01A simple random generator library for extensible-effects (bsd3, control, effect, library)2014-04-010.1.0.1HiromiIshii
random-effin10.01A simple random generator library for effin (bsd3, control, effect, library)2014-10-090.1.1.0HiromiIshii
random-extras110.06Additional functions for random values. (bsd3, data, library, math)2012-07-100.19AristidBreitkreuz
random-fu-multivariate70.01Multivariate distributions for random-fu (bsd3, library, math)2019-07-210.1.2.1DominicSteinitz
random-hypergeometric20.01Random variate generation from hypergeometric distributions (library, math, mit)2015-03-300.1.0.0srijs
random-names30.01Expose Random and Arbitrary instances (library, mit, simple)2018-03-150.1.0.0aiya000
random-shuffle392.559Random shuffle implementation. (bsd3, library, system)2012-06-190.0.4AndrasSlemmer, ManlioPerillo, PatrickPalka, andres
random-source (deprecated)80.023Generic basis for random number generators (deprecated, library, math, public-domain)2023-09-140.3.0.13BertramFelgenhauer, DominicSteinitz, JamesCook
random-stream10.01An infinite stream of random data (bsd3, library, system)2009-03-210.1.1ManlioPerillo
random-string50.01Generate a random base 16, 58, or 64 string (bsd3, data, library)2018-03-080.1.0.1ThomasDuBuisson, haskell_github_trust
random-strings40.03Generate random strings with specific qualities (bsd3, library, program, test, text-)2016-07-260.1.1.0mikehat
random-tree80.01Create random trees (data-structures, gpl, library)2016-02-090.6.0.5GregorySchwartz
random-variates32.00"Uniform RNG => Non-Uniform RNGs" (library, mit, program, statistics)2016-05-200.1.5.1kpratt
randproc20.01Data structures and support functions for working with random processes (bsd3, data-structures, library)2011-07-030.4DavidBanas
range110.02An efficient and versatile range library. (data, library, mit)2019-10-260.3.0.2RobertMassaioli, srijs
range-set-list150.02Memory efficient sets with ranges of elements. (data, library, mit)2024-07-030.1.4phadej
range-space50.01A Range type with vector-space instances (bsd3, library, math)2015-08-280.1.2.0JohnLato
ranged-list100.01The list like structure whose length or range of length can be specified (bsd3, library, list)2024-12-120.1.2.3YoshikuniJujo
rangemin20.01Linear range-min algorithms. (algorithms, bsd3, library)2010-05-312.2.2LouisWasserman
ranges (deprecated)90.05Ranges and various functions on them. (bsd3, data, deprecated, library)2011-09-010.2.4GeorgePollard
rangeset32.01Efficient sets for semi-contiguous data (bsd3, data, library)2023-04-140.1.0.0j_mie6
rank-product30.02Find the rank product of a data set. (bioinformatics, gpl, library, program)2018-09-120.2.2.0GregorySchwartz
rank1dynamic360.08Like Data.Dynamic/Data.Typeable but with support for rank-1 polymorphic types (bsd3, data, library)2025-02-050.4.3EdskoDeVries, FacundoDominguez, MathieuBoespflug, TimWatson, LaurentRDC, davidsd, JoelMcCracken
rank2classes182.09standard type constructor class hierarchy, only with methods of rank 2 types (bsd3, control, data, generics, library)2024-12-281.5.4MarioBlazevic
rapid30.03Hot reload and reload-surviving values with GHCi (bsd3, development, library)2024-01-220.1.5.3eyeinsky, esz
rapid-term30.02External terminal support for rapid (bsd3, development, library)2018-01-040.1.2.1esz
rasa50.010A modular text editor (executable, gpl, library, text-editor)2017-03-160.1.12ChrisPenner
rasa-ext-bufs10.03Rasa Ext for useful buffer utilities (extension, library, mit)2017-01-120.1.1ChrisPenner
rasa-ext-cmd10.01Rasa Ext for running commands (extension, gpl, library)2017-03-160.1.3ChrisPenner
rasa-ext-cursors40.01Rasa Ext adding cursor(s) (extension, gpl, library)2017-03-160.1.7ChrisPenner
rasa-ext-files50.01Rasa Ext for filesystem actions (extension, gpl, library)2017-03-160.1.5ChrisPenner
rasa-ext-logger20.01Rasa Ext for logging state/actions (extension, gpl, library)2017-03-160.1.4ChrisPenner
rasa-ext-slate30.00Rasa extension for rendering to terminal with vty (extension, gpl, library)2017-03-160.1.8ChrisPenner
rasa-ext-status-bar10.04Rasa Ext for populating status-bar (extension, gpl, library)2017-01-290.1.3ChrisPenner
rasa-ext-style30.03Rasa Ext managing rendering styles (extension, gpl, library)2017-01-290.1.4ChrisPenner
rasa-ext-views20.03Rasa Ext managing rendering views (extension, gpl, library)2017-03-160.1.6ChrisPenner
rasa-ext-vim20.00Rasa Ext for vim bindings (extension, gpl, library)2017-03-160.1.8ChrisPenner
rascal30.01A command-line client for Reddit (library, mit, program, web)2014-01-131.1.6soli
rasterific-svg132.02SVG renderer based on Rasterific. (bsd3, graphics, library, program, svg)2018-10-080.3.3.2VincentBerthoux
rate-limit120.02A basic library for rate-limiting IO actions. (bsd3, control, library)2023-01-031.4.3AdamWick, eyevanmalicesun
ratel130.01Notify Honeybadger about exceptions. (exceptions, library, mit)2025-02-012.0.0.13fozworth
ratel-wai100.01Notify Honeybadger about exceptions via a WAI middleware. (exceptions, library, mit)2025-02-022.0.0.8fozworth
ratelimiter30.00In-memory rate limiter (bsd3, library, web)2020-12-210.1.0AlexanderThiemann
rating-chgk-info20.00Client for rating.chgk.info API and CSV tables (documentation in Russian) (bsd3, library, program, utility)2019-07-080.3.6.5MZiatdinov
rating-systems40.01Implementations of several rating systems: Elo, Glicko, etc (bsd3, library, text)2016-11-070.1DougBeardsley
ratio-int80.02Fast specialisation of Data.Ratio for Int. (bsd3, library, math)2014-06-180.1.2RaphaelJavaux
rational-list10.00finite or repeating lists (bsd3, data-structures, library)2019-10-201.0.0.0RossPaterson
rattle60.00Forward build system, with caching and speculation (bsd3, development, library, program)2020-05-270.2NeilMitchell
rattletrap390.01Parse and generate Rocket League replays. (game, library, mit, program)2025-02-0114.1.1fozworth
raven-haskell100.04Haskell client for Sentry logging service. (library, logging, mit)2022-06-290.1.4.1AlexanderBondarenko
raven-haskell-scotty50.01Sentry http interface for Scotty web server. (library, mit, web)2024-08-010.1.1.0AlexanderBondarenko
raw-feldspar20.01Resource-Aware Feldspar (bsd3, language, library)2022-05-270.4.1EmilAxelsson
raw-strings-qq332.033Raw string literals for Haskell. (bsd3, library, text)2015-12-131.1MikhailGlushenkov
rawfilepath120.03Use RawFilePath instead of FilePath (apache, library, system)2024-07-211.1.1XT
rawlock230.00A writer-biased RAW lock. (apache, concurrency, library)2024-11-220.1.1.0IOHK
rawr30.01Anonymous extensible records (bsd3, library, records)2016-08-260.0.0.1pkmx
rawstring-qm110.03Simple raw string quotation and dictionary interpolation (bsd3, library, text)2016-11-180.2.3.0tolysz
raylib-imgui20.00Haskell bindings for rlImGui (apache, graphics, library)2022-12-234.5.0.9Anut
raz20.01Random Access Zippers (algorithms, library, mit)2016-09-180.1.0.0lyxia
razom-text-util30.01Common text/parsing tools for Razom language packages. (library, public-domain, text)2015-06-180.1.2.0akrasner
rbpcp-api10.01RESTful Bitcoin Payment Channel Protocol Servant API description (finance-network-bitcoin, library)2017-03-230.2.0.0runeks
rbst20.00Randomized Binary Search Trees (data-structures, library, mit)2020-05-090.0.0.1ArnauAbella
rc20.00Reservoir Computing, fast RNNs (bsd3, library, machine-learning, program)2018-07-080.3.0.0penkovsky
rclient30.01Haskell client for Rserve (bsd3, library, math, network, statistics)2010-12-040.1.0.0TomDoris
rcu110.00Read-Copy-Update for Haskell (bsd3, data, library, program)2023-08-090.2.7EdwardKmett, EricMertens, ryanglscott
rdf72.01Representation and Incremental Processing of RDF Data (data, library, mit)2023-12-230.1.0.8TravisWhitaker
rdf4h162.54A library for RDF processing in Haskell (bsd3, library, program, rdf)2025-03-175.2.0RobStewart
rdf4h-vocab-activitystreams30.00The ActivityStreams 2 RDF vocabulary for rdf4h. (bsd3, library, rdf)2024-04-031.0.0pniedzielski
rdioh30.01A Haskell wrapper for Rdio's API. (api, library, mit, network, program, web)2013-06-070.2.1AdityaBhargava
rds-data250.00Codecs for use with AWS rds-data (bsd3, data, library, program)2025-03-240.1.1.4haskellworks
rds-data-codecs40.00Codecs for use with AWS rds-data (bsd3, data, library, program)2024-03-010.0.0.3haskellworks
rdtsc110.06Binding for the rdtsc machine instruction (bsd3, foreign-binding, library)2015-05-261.3.0.1DonaldStewart, MartinGrabmueller
rdtsc-enolan30.01Binding to sources of high-efficiency, high-precision, monotonically increasing relative time. (bsd3, foreign-binding, library, time)2012-10-110.1EchoNolan
re230.01Bindings to the re2 regular expression library (library, mit, regex)2018-12-080.3JohnMillikin, blaze
react20.00Create React components in Haskell (bsd3, library, web)2023-08-210.1.0.0RyanTrinkle
react-flux42.51A binding to React based on the Flux application architecture for GHCJS (bsd3, library, web)2016-09-051.2.3JohnLenz
react-flux-servant30.01Allow react-flux stores to send requests to a servant server (bsd3, library, web)2016-11-230.1.1JohnLenz
react-haskell20.01Haskell React bindings (library, mit, web)2015-07-312.0.1joelb
reaction-logic30.01pluggable pure logic serializable reactor (bsd3, library, program, reactivity)2010-11-162010.11.17PaoloVeronelli
reactive-bacon30.01FRP (functional reactive programming) framework (bsd3, frp, library)2012-09-110.4.1JuhaPaananen
reactive-balsa60.01Programmatically edit MIDI events via ALSA and reactive-banana (bsd3, library, music, sound)2018-09-010.4.0.1HenningThielemann
reactive-banana202.7517Library for functional reactive programming (FRP). (bsd3, frp, library)2023-01-221.3.2.0HeinrichApfelmus, OliverCharles, mitchellwrosen
reactive-banana-automation200.01home (etc) automation using reactive-banana (agpl, frp, library, reactivity)2024-10-110.5.7JoeyHess
reactive-banana-bunch80.03Extend reactive-banana to multiple events per time point (bsd3, frp, library)2018-09-011.0.0.1HenningThielemann
reactive-banana-gi-gtk30.01Simple reactive programming with GTK GObject Introspection (development, library, public-domain)2020-07-060.4.1.0miscyb
reactive-banana-sdl50.01Reactive Banana bindings for SDL (gpl, graphics, library)2014-01-310.2.0JeanPhilippeMoresmau
reactive-banana-sdl210.01Reactive Banana integration with SDL2 (bsd3, frp, graphics, library)2016-02-080.1.1.0cies
reactive-banana-threepenny (deprecated in favor of threepenny-gui)40.01Examples for the reactive-banana library, using threepenny-gui. (bsd3, deprecated, frp, gui, library)2013-08-020.7.1.3HeinrichApfelmus
reactive-banana-wx60.01Examples for the reactive-banana library, using wxHaskell. (bsd3, frp, gui, library)2016-05-271.1.1.0HeinrichApfelmus, OliverCharles
reactive-fieldtrip90.01Connect Reactive and FieldTrip (bsd3, frp, graphics, library)2009-05-220.0.9ConalElliott
reactive-glut60.02Connects Reactive and GLUT (bsd3, frp, graphics, library)2011-01-090.1.10ConalElliott
reactive-haskell (deprecated)50.01minimal fork of io-reactive (bsd3, control, deprecated, library, reactivity)2014-09-230.0.1Heather
reactive-io (deprecated)60.01IO-oriented FRP library (control, deprecated, library, mit)2013-07-060.1RomanCheplyaka
reactive-jack70.01Process MIDI events via reactive-banana and JACK (bsd3, library, music, sound)2023-01-160.4.1.2HenningThielemann
reactive-midyim90.02Process MIDI events via reactive-banana (bsd3, library, music, sound)2018-09-010.4.1.1HenningThielemann
reactive-thread10.01Reactive programming via imperative threads (bsd3, frp, library, program)2012-11-180.3.2.1MattGlazar
reactor (deprecated)30.01Reactor - task parallel reactive programming (bsd3, concurrency, deprecated, library)2011-05-090.1.3EdwardKmett
read-bounded81.52Class for reading bounded values (bsd3, library, text)2020-09-110.1.1.3ThomasEding
read-ctags30.00 (library, mit, program, unclassified)2019-12-220.1.0.0joshuaclayton
read-editor82.01Opens a temporary file on the system's EDITOR and returns the resulting edits (library, mit, system)2016-01-100.1.0.2yamadapc
read-env-var102.04Functions for safely reading environment variables. (bsd3, library, system)2017-03-221.0.0.0cdepillabout
read-io30.01Read IO library (library, mit, system)2017-02-150.0.0.1zaidan
readability10.00Extracts text of main article from HTML document (bsd3, html, library, program, text)2020-07-090.1.0.0geyaeb
readable422.013Reading from Text and ByteString (bsd3, library, text)2015-02-070.3.1DougBeardsley
readcsv60.01Lightweight CSV parser/emitter based on ReadP (library, mit, web)2017-03-140.1.1gtsteel
reader-soup40.03Vinyl-based reader-like monad composition (combinators, control, library, mit)2019-10-090.1.0.1YvesPares
readline140.018An interface to the GNU readline library (console, library)2013-02-171.0.3.0JanStolarek
readline-in-other-words10.00Readline effect for in-other-words. (bsd2, command-line, effect, haskeline, in-other-words, library, program, user-interfaces)2021-11-050.1.0.2lehmacdj
readline-statevar20.01Readline with variables (setX/getY) wrapped in state vars (bsd3, library, utils)2009-12-051.0.1.0KrzysztofSkrzetnicki
readme-lhs (deprecated)40.01Literate programming support. (bsd3, deprecated, development, library, program)2020-11-270.8.1tonyday567
readshp10.02Code for reading ESRI Shapefiles. (geometry, library, mit)2016-04-260.1.0.0Samvh
real-day-end30.01Tiny library to calculate date considering when your day realy ends (bsd3, library, web)2017-11-260.0.1AlekseyUymanov
real-dice100.00Random number generation based on physical media touched by humans (data, library, math, mit, program)2025-03-140.1.0.5kaBeech
really-simple-xml-parser60.01A really simple XML parser (language, library, public-domain)2012-07-300.4.0.0KashyapChatamballi
realworldhaskell50.00The Real World Haskell Book (learning, library)2021-08-130.0.1.1aniketd
reanimate132.51Animation library based on SVGs. (graphics, library)2022-06-021.1.6.0DavidHimmelstrup, GeorgeThomas, izuzu_izuzu
reanimate-svg60.03SVG file loader and serializer (bsd3, graphics, library, svg)2021-02-200.13.0.1DavidHimmelstrup, GeorgeThomas, izuzu_izuzu
reason-export30.01Generate Reason types from Haskell (library, mit, web)2019-06-010.1.2.0AndreiBarbu
reasonable-lens21.252Lens implementation. It is more small but adequately. (control, library, mit)2015-04-150.2.1.1outoftune
reasonable-operational60.02Just size Operational Monad implementation. (control, library, mit)2015-02-130.1.0.1outoftune
rebase310.01A more progressive alternative to the "base" package (library, mit, unclassified)2025-01-301.21.2NikitaVolkov
rebindable30.01A library to facilitate rebinding of Haskell syntax (library, mit, syntax)2016-11-200.1.2sleexyz
rec-def80.00Recursively defined values (bsd2, data, library)2023-08-190.2.2JoachimBreitner
rec-smallarray20.01SmallArray-based extensible records for small-scale fast reads (bsd3, data, library, records)2022-02-040.1.0.0daylily
recaptcha90.02Functions for using the reCAPTCHA service in web applications. (bsd3, library, network)2018-05-140.1.0.4JohnMacFarlane
recommender-als50.00Recommendations using alternating least squares algorithm (bsd3, library, numeric, program)2024-10-130.2.2.0kaol
record30.06Anonymous records (control, data-structures, library, mit, records)2016-10-240.4.2NikitaVolkov
record-aeson10.01Instances of "aeson" classes for the "record" types (data, json, library, mit, records)2015-11-060.1.1NikitaVolkov
record-dot-preprocessor382.05Preprocessor to allow record.field syntax (bsd3, development, library, program)2024-01-130.2.17NeilMitchell
record-encode (deprecated in favor of heidi)20.01Generic encoding of records (bsd3, data, data-mining, data-science, deprecated, library, machine-learning)2019-01-230.2.3ocramz
record-gl20.01Utilities for working with OpenGL's GLSL shading language and Nikita Volkov's "Record"s. (bsd3, graphics, library)2015-03-230.1.0.0rabipelais
record-hasfield250.06A version of GHC.Records as available in future GHCs. (bsd3, development, library)2024-01-211.0.1NeilMitchell
record-impl20.00 (bsd3, library, unclassified)2022-06-100.0.0.1parsonsmatt
record-operations30.00polymorphic record operations (bsd3, library, records)2021-08-140.0.1KristofBastiaensen
record-preprocessor70.01Compiler preprocessor introducing a syntactic extension for anonymous records (compiler, library, mit, preprocessor, program, records)2016-10-240.1.1.1NikitaVolkov
record-syntax10.00A library for parsing and processing the Haskell syntax sprinkled with anonymous records (library, mit, parser, preprocessor, records, syntax)2016-10-240.1.1NikitaVolkov
record-wrangler42.00Alter your records with ease (development, library)2019-04-010.1.1.0parsonsmatt
records30.03A flexible record system (bsd3, data, library, records)2012-01-150.1.1.6WolfgangJeltsch
records-sop50.05Record subtyping and record utilities with generics-sop (bsd3, generics, library)2023-06-280.1.1.1AndresLoeh
records-th40.01Template Haskell declarations for the records package (data, library, mit)2012-08-010.1.1.0SamAnklesaria
recover-rtti160.04Recover run-time type information from the GHC heap (bsd3, debugging, library)2024-06-120.5.0EdskoDeVries, brandonchinn178
recurly-client50.00Client for Recurly subscription management (client, library, mit, payments)2025-03-140.1.0.0PatrickBrisbin, dukerutledge, mjgpy3, chris_martin, FreckleEngineering
recursion-schemes1582.7558Representing common recursion patterns as higher-order functions (bsd2, control, library, recursion)2024-06-125.2.3EdwardKmett, EricMertens, gelisam, ryanglscott, luc_tielen
recursion-schemes-ext210.02Amateur addenda to recursion-schemes (bsd3, control, library)2018-05-081.0.0.4vmchale
recursion-schemes-ix30.00Recursion schemes over indexed Functors (bsd3, data, library)2020-04-240.1.0.0SkyeSoss
recursive-zipper40.01Zippers over recursive data structures. (bsd3, data, library)2021-12-020.0.0.1ChrisPenner
recursors20.01Auto-generate final encodings and their isomorphisms using Template Haskell (bsd3, language, library)2017-01-100.1.0.0JohnWiegley
recv560.03Efficient network recv (bsd3, library, network)2023-02-080.1.0KazuYamamoto
red-black-record20.00Extensible records and variants indexed by a type-level Red-Black tree. (bsd3, data, library)2024-04-272.1.6.0DanielDiazCarrete
red-black-tree40.01Red Black Trees implemented in Haskell (bsd3, data-structure, library)2017-09-170.1.0.0GAumala
redHandlers20.02Monadic HTTP request handlers combinators to build a standalone web apps. (library, web)2009-05-150.1SergioUrinovsky
redact60.00hide secret text on the terminal (library, mit, program, utils)2024-12-290.6.0.0TravisCardwell
reddit30.01Library for interfacing with Reddit's API (bsd2, library, network)2022-07-110.3.0.0Intolerable
reddit-scrape50.00Library for getting links from a sub-reddit (bsd2, library, web-scraping)2021-10-170.0.1gonz
redesigned-carnival80.00Package for dependency confusion (acme, library)2021-02-111.0.0.0frasertweedale, gdifolco
redis112.02A driver for Redis key-value database (database, library, mit)2020-07-030.14.2AlexanderBogdanov, GaneshSittampalam
redis-glob80.01Specify valid redis globs (bsd3, library, redis, web)2025-01-140.1.0.11adetokunbo
redis-hs20.01A simple Redis library for Haskell (database, library, mit)2010-12-180.1.2WillLangstroth
redis-io80.01Yet another redis client. (database, library, mpl)2020-10-311.1.0ToralfWittner, romanb
redis-job-queue30.01Simple priority job queue backed by Redis. (client, library, mit)2015-09-210.1.0TeroLaitinen
redis-resp60.02REdis Serialization Protocol (RESP) implementation. (data, library, mpl)2018-08-301.0.0ToralfWittner, romanb
redis-schema20.00Typed, schema-based, composable Redis library (bsd3, database, library)2022-09-010.1.0swamp_agr
redis-simple10.01Simple redis bindings for Haskell (bsd3, database, library)2010-09-240.1.1JasperVanDerJeugt
rediscaching-haxl20.00Combine redis caching and haxl. (bsd3, cache, database, library)2020-09-020.1.0.0Lupino
redland20.01Redland RDF library bindings (bsd3, database, library)2018-04-210.2.0.2defanor
reduce-equations10.00Simplify a set of equations by removing redundancies (bsd3, library, math, program)2016-11-120.1.1.0chriswarbo
reducers760.011Semigroups, specialized containers and a general map/reduce framework (bsd3, data, library, math, numerical, semigroups)2024-12-063.12.5EdwardKmett, EricMertens, ryanglscott
reedsolomon20.01Reed-Solomon Erasure Coding in Haskell (data, library, mit)2017-01-130.0.4.3NicolasTrangez
reenact20.02A reimplementation of the Reactive library. (bsd3, frp, library, reactivity)2013-07-230.9HansHoglund
reexport-crypto-random30.02 (gpl, library, miscellaneous)2015-03-220.1.0.0JamesCandy
ref20.01Generic Mutable Ref Abstraction Layer (bsd3, data, library)2013-03-310.1.1.2CarterSchonwald
ref-extras60.00Extra stuff for mutable references (bsd3, data, library)2020-09-050.2.0ejconlon
ref-fd82.04A type class for monads with references using functional dependencies. (bsd3, control, library)2023-03-280.5.0.1GeoffreyMainland
ref-mtl10.05A type class for monads with references compatible with the mtl2 library. (bsd3, control, library)2011-04-050.3GeoffreyMainland
ref-tf250.024A type class for monads with references using type families. (bsd3, control, library)2021-11-200.5.0.1GeoffreyMainland
refact350.03Specify refactorings to perform with apply-refact (bsd3, development, library)2015-11-210.3.0.2mpickering
refcount10.01Container with element counts (data, library, mit)2014-06-080.1.2BenFoppa
reference30.03A class for references in Haskell (control, data, library, mit)2010-09-060.1MaciejPiechotka
reference-counting50.00A reference counting library to alias linear resources (bsd3, data, library)2024-06-090.1.0.0romes
references70.015Selectors for reading and updating data. (bsd3, control, library)2017-11-280.3.3.1lazac
refined202.518Refinement types with static and runtime checking (data, library, mit)2024-05-090.8.2NikitaVolkov, chessai
refined-containers150.00Type-checked proof that a key exists in a container and can be safely indexed. (data, library, mit)2025-03-240.1.2.0mniip, typeable
refined-http-api-data10.00http-api-data instances for refined types (data, library, mit)2019-11-060.1.0.0brandonhamilton
refined-with (deprecated in favor of strongweak)20.01Refinement types with an "refinement applied" switch. (data, deprecated, library, mit)2022-04-230.3.0raehik
refined1 (deprecated in favor of rerefined)20.02Refinement types with static and runtime checking (+ Refined1) (data, deprecated, library, mit)2023-05-100.9.0raehik
refinery100.02Toolkit for building proof automation systems (bsd3, language, library)2021-04-090.4.0.0ReedMullanix
reflection1962.2597Reifies arbitrary terms into types that can be reflected back into terms (bsd3, data, dependent-types, library, reflection)2024-12-042.1.9EdwardKmett, ryanglscott
reflection-extras50.01Utilities for the reflection package (bsd3, data, library)2013-12-310.1.1.0EdwardKmett, JonathanFischoff
reflection-without-remorse120.01Efficient free and operational monads. (bsd3, data, data-structures, library)2014-12-300.9.5AtzeVanDerPloeg
reflex312.7544Higher-order Functional Reactive Programming (bsd3, frp, library)2025-01-190.9.3.3JohnEricson, RyanTrinkle, abrar, 3noch, alexfmpe, maralorn, ymeister
reflex-animation60.01Continuous animations support for reflex (bsd3, frp, library)2015-10-200.1.5saulzar
reflex-backend-socket40.00Reflex bindings for TCP sockets (bsd3, frp, library, network, program)2022-05-210.2.0.1qfpl, jack
reflex-backend-wai10.00Reflex interface to `wai` (bsd3, frp, library, program, web)2019-04-080.1.0.0qfpl
reflex-basic-host (deprecated in favor of reflex)40.01A basic Reflex host for backend work (bsd3, deprecated, frp, library, program)2019-10-290.2.0.1qfpl, jack
reflex-dom122.59Functional Reactive Web Apps with Reflex (bsd3, frp, gui, html, javascript, library, reactive, reactivity, user-interface, user-interfaces, web)2025-01-190.6.3.3JohnEricson, RyanTrinkle, abrar, 3noch, alexfmpe, maralorn, ymeister
reflex-dom-ace30.00Basic support for using the Ace editor with Reflex. (bsd3, library, web)2021-05-270.3.0.3SlimTim10
reflex-dom-colonnade (deprecated)120.01Use colonnade with reflex-dom (bsd3, deprecated, library, web)2016-10-170.4.6andrewthad, l3c_amartin
reflex-dom-contrib22.01A playground for experimenting with infrastructure and common code for reflex applications (bsd3, frp, library)2016-02-180.4.1DougBeardsley
reflex-dom-core132.011Functional Reactive Web Apps with Reflex (bsd3, frp, gui, html, javascript, library, reactive, reactivity, user-interface, user-interfaces, web)2025-01-190.8.1.2JohnEricson, RyanTrinkle, abrar, 3noch, alexfmpe, maralorn, ymeister
reflex-dom-fragment-shader-canvas110.00A reflex-dom widget to draw on a canvas with a fragment shader program (library, mit, program, web)2018-10-120.2JoachimBreitner
reflex-dom-helpers (deprecated)20.02Html tag helpers for reflex-dom (bsd3, deprecated, library, web)2019-08-040.2.0.1
reflex-dom-ionic20.00Compatible highlevel Wigdets for some Ionic Input Components (bsd3, frp, gui, html, javascript, library, reactive, reactivity, user-interface, user-interfaces, web)2022-04-180.2.0.0ChristophBauer
reflex-dom-pandoc70.01Render Pandoc documents to HTML using reflex-dom (bsd3, library, unclassified)2021-08-231.0.0.0sridca
reflex-dom-retractable62.00Routing and retractable back button for reflex-dom (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web)2020-11-260.1.7.0NCrashed
reflex-dom-svg20.00Reflex functions for SVG elements. (bsd3, frp, graphics, library, web)2019-05-010.3.2.0schalmers
reflex-dom-th20.00reflex-dom-th transpiles HTML templates to haskell code for reflex-dom (bsd3, frp, gui, html, javascript, library, reactive, reactivity, user-interface, user-interfaces, web)2022-10-010.3.4ChristophBauer
reflex-dynamic-containers20.00various dynamic containers for Reflex (bsd3, frp, library, reflex)2020-04-260.1.0.0pdlla
reflex-external-ref40.02External reference with reactivity support (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web)2024-03-161.1.0.0NCrashed
reflex-fsnotify90.01Reflex FRP interface for watching files (bsd3, frp, library, system)2025-03-230.3.0.2JohnEricson, RyanTrinkle, abrar, 3noch, alexfmpe, maralorn, ymeister
reflex-gadt-api22.00Interact with a GADT API in your reflex-dom application. (api, bsd3, frp, library, network, program)2025-01-230.2.2.3CaleGibbard, JohnEricson, RyanTrinkle, abrar, alexfmpe, maralorn, ymeister
reflex-ghci60.00A GHCi widget library for use in reflex applications (bsd3, development, frp, library, program)2023-08-020.2.0.1JohnEricson, RyanTrinkle, abrar, 3noch
reflex-gi-gtk30.00Helper functions to use reflex with gi-gtk (frp, library, mpl, program)2024-03-080.2.0.1Kritzefitz
reflex-gloss20.01An reflex interface for gloss. (bsd3, graphics, library)2016-02-110.2jeffreyrosenbluth
reflex-gloss-scene20.00A simple scene-graph using reflex and gloss (bsd3, frp, library, program)2015-10-200.1.2saulzar
reflex-jsx22.01Use jsx-like syntax in Reflex (bsd3, frp, gui, jsx, language, library, web)2016-05-240.1.0.0dackerman
reflex-libtelnet22.00Reflex bindings for libtelnet (gpl, library, network)2022-05-210.2.0.0jack
reflex-localize80.01Localization library for reflex (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web)2024-03-161.2.0.0NCrashed
reflex-localize-dom50.00Helper widgets for reflex-localize (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web)2024-03-161.1.0.0NCrashed
reflex-monad-auth30.00Utilities to split reflex app to authorized and not authorized contexts (library, mit, web)2020-11-250.1.0.1NCrashed
reflex-orphans (deprecated in favor of reflex)22.01Useful missing instances for Reflex (bsd3, deprecated, frp, library)2016-03-080.1.0.2davean
reflex-potatoes20.02 (bsd3, library, unclassified)2023-03-270.1.0.0pdlla, minimaple
reflex-process22.01Reflex FRP interface for running system processes (bsd3, frp, library, program, system)2024-01-160.3.3.1JohnEricson, RyanTrinkle, abrar, 3noch
reflex-sdl232.00SDL2 and reflex FRP (game, library, mit, program)2024-08-210.3.0.3SchellScivally
reflex-test-host92.04reflex host methods for testing without external events (bsd3, frp, library, reflex)2023-11-250.1.2.3pdlla, minimaple
reflex-transformers30.02Collections and switchable Monad transformers for Reflex (bsd3, frp, library)2015-10-160.2.1saulzar
reflex-vty92.02Reflex FRP host and widgets for VTY applications (bsd3, frp, library, program, vty)2024-11-110.6.1.0JohnEricson, RyanTrinkle, abrar, 3noch
reform62.018reform is a type-safe HTML form generation and validation library (bsd3, library, web)2022-04-200.2.7.5JeremyShaw
reform-blaze140.05Add support for using blaze-html with Reform (bsd3, library, web)2022-04-220.2.4.4JeremyShaw
reform-hamlet100.01Add support for using Hamlet with Reform (bsd3, library, web)2017-02-100.0.5.3JeremyShaw
reform-happstack160.013Happstack support for reform. (bsd3, library, web)2023-01-230.2.5.6JeremyShaw
reform-hsp60.09Add support for using HSP with Reform (bsd3, library, web)2019-12-080.2.7.2JeremyShaw
reform-lucid30.00Add support for using lucid with Reform (bsd3, library, web)2019-07-160.1.0.0goolord
reformat10.01The parser and render to parsec and render the string. (gpl, library, text)2017-12-280.1.0.1qinka
refractor30.00See README for more info (library, mpl, optics)2020-02-110.0.1.0
refresht20.01Environment Monad with automatic resource refreshment (bsd3, library, web)2017-01-170.1.1.0HiromiIshii
refty40.01Formatted JSON generator for API server inspired by normalizr. (library, mit, web)2017-01-100.2.0.0oreshinya
refurb30.01Tools for maintaining a database (bsd3, database, library)2023-12-040.3.0.3dridus, asariley, dfithian
reg-alloc (deprecated)20.00Register allocation API (bsd3, deprecated, library, unclassified)2019-10-280.1.0.0
reg-alloc-graph-color (deprecated)32.00Register allocation by graph colorization (deprecated, library, mpl, unclassified)2019-12-270.0.0.0
reg-alloc-types (deprecated)50.00Types used in register allocation API (bsd3, deprecated, library, unclassified)2019-10-310.1.0.0
regex250.09Toolkit for regex-base (bsd3, library, text)2022-06-201.1.0.2ChrisDornan
regex-applicative532.525Regex-based parsing with applicative interface (library, mit, text)2020-07-240.3.4RomanCheplyaka
regex-applicative-text70.05regex-applicative on text (bsd3, library, text)2016-02-080.1.0.1phadej
regex-base1512.066Common "Text.Regex.*" API for Regex matching (bsd3, library, text)2025-03-020.94.0.3AndreasAbel, HerbertValerioRiedel, phadej, topos
regex-compat990.0103Replaces/enhances "Text.Regex" (bsd3, library, text)2025-03-020.95.2.2AndreasAbel, HerbertValerioRiedel, phadej, topos
regex-compat-tdfa70.08Unicode Support version of Text.Regex, using regex-tdfa (bsd3, library, text)2013-10-030.95.1.4KidoTakahiro
regex-deriv50.01Replaces/Enhances Text.Regex. Implementing regular expression matching using Brzozowski's Deriviatives (bsd3, library, text)2015-08-160.0.5KennyLu
regex-dfa10.02Replaces/Enhances Text.Regex (bsd3, library, text)2007-03-050.91ChrisKuklewicz
regex-do100.02PCRE wrapper (library, public-domain, regex, search, string)2020-02-113.2.2procione
regex-easy40.02sugar for regex-pcre (bsd3, data, library)2014-03-050.1.0.0MatthiasFischmann
regex-generator20.00Generate a random string from a PCRE (library, mit, text)2018-12-090.1.0.3BenHamlin
regex-genex150.03From a regex, generate all possible strings it can match (library, program, regex, text)2015-09-240.7.0AudreyTang
regex-parsec20.01Replaces/Enhances Text.Regex (bsd3, library, text)2007-03-050.90ChrisKuklewicz
regex-pcre452.037PCRE Backend for "Text.Regex" (regex-base) (bsd3, library, text)2025-03-020.95.0.1AndreasAbel, HerbertValerioRiedel, phadej, topos
regex-pcre-builtin370.022PCRE Backend for "Text.Regex" (regex-base) (bsd3, library, text)2021-09-120.95.2.3.8.44AudreyTang, JeffShaw, TimothyHobbs
regex-pcre-text20.01Text-based PCRE API for regex-base (bsd3, library, text)2017-06-030.94.0.1ChrisDornan
regex-pcre262.00PCRE2 Backend for "Text.Regex" (regex-base) (bsd3, library, text)2025-02-181.0.0.0PeteRyland
regex-pderiv20.01Replaces/Enhances Text.Regex. Implementing regular expression matching using Antimirov'