Packages tagged mit

3331 packages have this tag.

[Merge tag] (trustees only)

Related tags: library (3113), program (733), web (472), data (406), deprecated (211), network (205), text (202), language (161), control (148), system (148), development (147), database (138), testing (131), unclassified (129), math (106), graphics (97), game (81), yesod (61), parsing (51), concurrency (45), foreign (43), data-structures (42), json (40), prelude (35), compilers-interpreters (32), streaming (32), cryptography (31), distribution (31), phonetic-languages (31), sound (29), Ukrainian (28), ffi (23), finance (22), xml (21), postgresql (20), time (20), codec (19), conduit (19), javascript (19), algorithms (18), cloud (17), hasql (17), utility (17), utils (17), api (16), cli (16), numeric (16), tools (16), services (15), console (14), logging (14), sox (14), aws (13), configuration (13), hardware (13), music (13), number-theory (13), generics (12), polysemy (12), user-interfaces (12), validity (12), crypto (11), frp (11), gui (11), media (11), compiler (10), distributed-computing (10), enumerator (10), html (10), machine-learning (10), other (10), serialization (10), bioinformatics (9), debug (9), eventsourcing (9), filesystem (9), statistics (9), arrows (8), combinators (8), composite (8), effect (8), formal-methods (8), logic (8), options (8), public-domain (8), records (8), security (8), servant (8), test (8), tonatona (8), algorithmic-composition (7), error-handling (7), graphql (7), network-apis (7), phonetics (7), pipes (7), remote-management (7), simple (7), template-haskell (7), zift (7), acme (6), algebra (6), application (6), dsl (6), exceptions (6), jvm (6), nix (6), numerical (6), parallelism (6), random (6), utilities (6), compatibility (5), compiler-plugin (5), csv (5), dependent-types (5), education (5), geometry (5), http (5), java (5), parser (5), pretty-printer (5), scripting (5), smt (5), speech-approximation (5), types (5), ui (5), uniqueness (5), ai (4), bitcoin (4), client (4), codecs (4), command-line (4), containers (4), conversion (4), data-mining (4), documentation (4), ffi-tools (4), graphs (4), metrics (4), model (4), package-management (4), plugin (4), project (4), quasiquotes (4), reactive (4), reactivity (4), reflex (4), shake (4), simulation (4), speech-transformation (4), syllable-segmentation (4), uniqueness-periods (4), user-interface (4), writing-systems (4), algorithm (3), avers (3), benchmarking (3), binary-search (3), business (3), bytestring (3), compilers (3), data- (3), databases (3), dhall (3), failure (3), functions (3), generic (3), geography (3), github (3), graph (3), image (3), lenses (3), list (3), logic-programming (3), mobile (3), monad (3), monads (3), monitoring (3), natural-language-processing (3), optics (3), physics (3), potoki (3), service (3), string (3), symbolic-computation (3), timbre (3), tooling (3), validation (3), vector (3), voice (3), PhLADiPreLiO (2), RealFrac (2), benchmark (2), bio (2), bit-vectors (2), blockchain (2), command-line-tool (2), comonads (2), compression (2), constraints (2), criu (2), datacontrol (2), desktop (2), editor (2), email (2), ethereum (2), fay (2), filters (2), flatpak (2), foreign-binding (2), formal-languages (2), game-engine (2), ghc (2), git (2), giveyouahead (2), haskell-admin (2), io (2), lens (2), lists (2), networking (2), nlp (2), oauth2 (2), optimization (2), parsers (2), pdf (2), phladiprelio (2), poker (2), preprocessor (2), productivity (2), prosodic-languages (2), prosody (2), purescript (2), reverse-engineering (2), rhythm (2), state-machines (2), stm (2), streamly (2), swagger (2), syntax (2), templatehaskell (2), terminal (2), theorem-provers (2), tool (2), type-system (2), unification (2), video (2), vinyl (2), xmonad (2), GraphViz (1), actors (1), aeson (1), algorithms- (1), amazon (1), anatomy (1), apple (1), applicative (1), archaeoinformatics (1), array (1), asp (1), astronomy (1), attoparsec (1), audio (1), authentication (1), aviation (1), azure (1), base (1), binary (1), bindings (1), bit (1), builders (1), bundle (1), c (1), calendar (1), capnproto (1), captcha (1), categories (1), charts (1), chemistry (1), code-competitions (1), code-generation (1), code-generator (1), codegen (1), coherency (1), command-line-tools (1), commandline (1), concurrent (1), consul (1), contracts (1), couchdb (1), cpp (1), crdt (1), cssyd (1), cursor (1), data-conduit (1), data-flow (1), data-science (1), date (1), deep-learning (1), derive-monoid (1), derive-monoid- (1), discord (1), domain-specific-language (1), ebnf (1), elliptic-curves (1), ...

Rev Deps
Last U/L
Last Version
2captcha (deprecated in favor of captcha-2captcha)31.50Haskell package for easy integration with the 2captcha API. (deprecated, library, mit, network)2021-09-
AAI120.00Abstract Application Interface. (control, library, mit)2015-08-
AFSM222.01Arrowized functional state machines (frp, library, mit)2016-04-
BCMtools80.00Big Contact Map Tools (bioinformatics, library, mit, program)2015-05-050.1.1kaizhang
Bang260.01A Drum Machine DSL for Haskell (library, mit, sound)2015-10-
Blammo540.03Batteries-included Structured Logging library (library, mit, utils)2023-05-, dukerutledge, mjgpy3, FreckleEngineering
BufferedSocket100.01A socker wrapper that makes the IO of sockets much cleaner (library, mit, network)2015-08-
Buster60.01Hits a set of urls periodically to bust caches (mit, program, web)2013-05-220.1.1MichaelXavier
C-structs142.00C-Structs implementation for Haskell (c, data, foreign, library, mit, structures)2022-09-300.2.0.3SimonPlakolb
Cartesian140.01Coordinate systems (library, math, mit)2016-10-
ChasingBottoms1150.02For testing partial and infinite values. (library, mit, testing)2022-08-, NilsAndersDanielsson
CirruParser (deprecated in favor of cirru-parser)40.01Cirru Parser in Haskell (deprecated, library, mit, text)2015-05-100.0.1jiyinyiyong
Commando120.01Watch some files; Rerun a command (development, library, mit, program)2014-03-
Configger50.01Parse config files (configuration, library, mit)2011-12-260.1NateSoares
Configurable50.01Declare types as Configurable then specialize them all in one place (control, library, mit)2012-10-
Conscript40.01Restart a command on STDIN activity (mit, program, system)2013-07-
Craft3e300.01Code for Haskell: the Craft of Functional Programming, 3rd ed. (education, library, mit, program)2019-01-
DCFL170.01Communication Free Learning-based constraint solver (data-, library, mit)2015-07-
DOH142.01Complete API bindings for DigitalOcean API V2 (library, mit, network)2018-06-
Dangerous260.02Monads for operations that can exit early and produce warnings (error-handling, library, mit)2012-01-300.3.2NateSoares
DataIndex80.00A package for adding index column to data files (data, library, mit, program)2016-10-090.1.1steven_yhw
DataVersion60.00Type safe data migrations (data, library, mit)2022-11-300.1.0.1agentultra
Deadpan-DDP380.01Write clients for Meteor's DDP Protocol (library, mit, program, unclassified)2015-10-
Delta-Lambda90.01A demonstration interpreter for type system delta-lambda (of N.G. De-bruijn) (compilers-interpreters, mit, program)2017-05-
DifferentialEvolution80.01Global optimization using Differential Evolution (algorithms-, library, mit, numerical, optimization)2011-03-110.0.2VilleTirronen
Dist170.01A Haskell library for probability distributions (library, math, mit)2019-06-160.5.0wyager
DocTest (deprecated in favor of doctest)170.01Test interactive Haskell examples (deprecated, mit, program, testing)2015-04-
EdisonAPI240.05A library of efficient, purely-functional data structures (API) (data-structures, library, mit)2022-09-111.3.3RobertDockins, lyxia
EdisonCore362.254A library of efficient, purely-functional data structures (Core Implementations) (data-structures, library, mit)2022-09-111.3.3RobertDockins, lyxia
Feval72.01Evaluation using F-Algebras (language, mit, program)2015-09-
Files110.00File content extraction/rearrangement (io, library, mit, program)2016-10-
Focus90.01Tools for focusing in on locations within numbers (data, library, mit)2011-12-240.1.2NateSoares
Foster120.01Utilities to generate and solve puzzles (data, mit, program)2015-01-191.1.2Jefffrey
FractalArt122.01Generates colorful wallpapers (graphics, mit, program)2016-05-
Fractaler50.01 (graphics, mit, program)2015-10-113serprex
GGg80.01GGg cipher (mit, program, text)2015-02-
GLM100.00Simple Gridlab-D GLM parser and utilities. (language, library, mit, program)2015-10-
GPipe902.04Typesafe functional GPU graphics programming (graphics, library, mit)2020-04-102.2.5TobiasBexelius
GPipe-Core70.01Typesafe functional GPU graphics programming (graphics, library, mit)2021-04-, pippijn
GPipe-GLFW300.01GLFW OpenGL context creation for GPipe (graphics, library, mit)2020-11-
GPipe-GLFW440.00GLFW OpenGL context creation for GPipe (graphics, library, mit, program)2021-04-112.0.0srk, pippijn
GeneralTicTacToe82.01A general TicTacToe game implementation. (game, mit, program)2015-08-
GiveYouAHead100.00to auto-do somethings (giveyouahead, library, mit)2015-06-
GoogleCodeJam100.01A monad for flexible parsing of Google Code Jam input files with automatic parallelization. (library, mit, text)2017-01-220.0.3johannesgerer
HDBC-postgresql-hstore (deprecated in favor of postgresql-simple)60.01Manipulate data in PostgreSQL "hstore" columns. (database, deprecated, library, mit)2012-07-
HGE2D240.002D game engine written in Haskell (game, library, mit, program)2016-07-300.1.9.2I3ck
HList562.025Heterogeneous lists (data, library, mit)2022-02-, GwernBranwen
HQu142.00quantitative finance library (finance, library, math, mit)2021-07-
HTicTacToe70.01An SDL tic-tac-toe game. (game, graphics, mit, program)2010-05-010.2KorcanHussein
HaPy90.01Haskell bindings for Python (foreign, library, mit)2015-05-
Hach120.01Simple chat (library, mit, network, program)2013-11-170.1.2DmitryMalikov
HaskellTutorials50.01Haskell Tutorials by Evgeny Ukhanov (mit, program, tutorials)2014-10-
Hastodon232.01mastodon client module for Haskell (library, mit, web)2018-05-280.6.0syucream
Hate82.00A small 2D game framework. (graphics, library, mit, program)2015-12-
Hayoo82.01The Hayoo! search engine for Haskell API search on hackage (data, mit, program, text)2012-03-011.2.3UweSchmidt
Holumbus-Searchengine120.01A search and indexing engine. (data, library, mit, text)2012-03-011.2.3UweSchmidt
HostAndPort70.02Parser for host and port pairs like localhost:22 (library, mit, network)2015-08-010.2.0slava
HsHTSLib240.01Bindings to htslib. (bio, library, mit)2021-09-301.9.2.2kaizhang
HsSyck330.07Fast, lightweight YAML loader and dumper (library, mit, pugs, text)2015-02-270.53AudreyTang, GwernBranwen, OliverCharles
HsWebots150.00Webots bindings for Haskell (library, mit, robotics)2020-03-
JYU-Utils80.02Some utility functions for JYU projects (library, mit, utility)2011-09-
Jdh80.01A Json implementation for Haskell, with JavaScript Values and Encoding/Decoding (data, library, mit)2017-02-
Ketchup300.01A super small web framework for those who don't like big and fancy codebases (ketchup, library, mit, web)2015-02-240.4.3Hamcha
LParse210.01A continuation-based parser library (library, mit, parsing)2019-07-
LTS40.00LTS: Labelled Transition System (library, mit, program, state-machines)2020-04-
LambdaNet92.01A configurable and extensible neural network library (library, machine-learning, mit)2015-01-
Lambdajudge142.01A library to easily host Haskell based programming competitions (development, library, mit)2015-11-
Lazy-Pbkdf2210.01Lazy PBKDF2 generator. (cryptography, library, mit)2017-11-143.1.1Ofenhed
LetsBeRational80.00European option implied vol calculation (finance, library, math, mit, numeric, quant)2021-12-
Limit50.01Wrapper for data that can be unbounded (data, library, mit)2011-12-241.0NateSoares
LiterateMarkdown60.00Converter to convert from .lhs to .md and vice versa. (library, mit, productivity, program)2020-08-
Logic40.01Logic (library, math, mit)2014-12-
Lykah60.01A static website and blog generator (library, mit, program, web)2017-01-260.0.2johannesgerer
MTGBuilder140.01Builds decks out of a meta (mit, program, unclassified)2015-09-
Michelangelo220.01OpenGL for dummies (graphics, library, mit)2016-01-
MiniAgda302.01A toy dependently typed programming language with type-based termination. (dependent-types, mit, program)2022-03-110.2022.3.11AndreasAbel
MissingPy190.01Haskell interface to Python (library, mit, unclassified)2012-08-240.10.6JohnGoerzen, MattBrown
Monadoro542.00A minimalistic CLI Pomodoro timer. (library, mit, program, tools)2023-04-
MyPrimes60.00Generate all primes (data, library, mit, program)2015-08-
NGLess130.00NGLess implements ngless, a DSL for processing sequencing data (domain-specific-language, library, mit, program)2022-09-141.5.0luispedro
Neks100.01Simple networked key/value store (database, library, mit, program)2015-07-310.5.0.0wyager
NoTrace222.05Remove all the functions come from Debug.Trace after debugging (development, library, mit)2019-05-
OTP90.01HMAC-Based and Time-Based One-Time Passwords (HOTP & TOTP) (cryptography, library, mit)2018-07-, HerbertValerioRiedel
Parallel-Arrows-BaseSpec60.01BaseSpecs used for @Parallel-Arrows-Definition@ and Co. (arrows, library, mit, parallelism)2018-01-
Parallel-Arrows-Definition60.04Multithreaded evaluation using Arrows. (arrows, library, mit, parallelism)2018-01-
Parallel-Arrows-Eden60.01Eden based backend for @Parallel-Arrows-Definition@. (arrows, library, mit, parallelism)2018-01-
Parallel-Arrows-Multicore60.01GpH based backend for @Parallel-Arrows-Definition@ in a multicore variant. (arrows, library, mit, parallelism)2018-01-
Parallel-Arrows-ParMonad60.01Par Monad (@monad-par@) based backend for @Parallel-Arrows-Definition@. (arrows, library, mit, parallelism)2018-01-
PasswordGenerator60.01Simple library for generating passwords (cryptography, library, mit)2014-02-
Probnet132.250Geometric Extrapolation of Integer Sequences with error prediction (ai, forecasting, library, math, mit, sequences)2021-06-
QLearn62.01A library for fast, easy-to-use Q-learning. (data, library, mit)2016-05-
QuickCheck-GenT260.01A GenT monad transformer for QuickCheck library. (library, mit, testing)2019-11-020.2.2NikitaVolkov
QuickCheck-safe260.01Safe reimplementation of QuickCheck's core (library, mit, testing)2019-04-
RSolve92.00 (library, logic, mit, program, unification)2019-08-
Random123100.01Haskell port of Random123 library (library, mit, random)2015-03-200.2.0BogdanOpanchuk
Randometer80.01Randomness intuition trainer (mit, personalgrowth, program)2014-10-
Redmine140.01Library to access Redmine's REST services (library, mit, network, web)2017-01-220.0.8cstpierre
RichConditional60.01Tiny library to replace classic if/else (control, library, mit)2015-02-
RtMidi251.51Haskell wrapper for RtMidi, the lightweight, cross-platform MIDI I/O library. (library, mit, program, sound)2023-04-, kohlrabi
RxHaskell80.01Reactive Extensions for Haskell (frp, library, mit)2013-04-150.2JustinSpahrSummers
SCalendar (deprecated in favor of scalendar)51.251This 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)72.01A simple config library (configuration, deprecated, library, mit)2014-10-
SDL2-ttf (deprecated in favor of sdl2-ttf)40.01Binding to libSDL-ttf (deprecated, foreign-binding, library, mit)2013-12-220.1.0OmerAgacan
SFML160.02SFML bindings (game, library, mit)2016-10-, sulami, ppelleti
SFML-control110.01Higher level library on top of SFML (graphics, library, mit)2013-12-
SciFlow290.02Scientific workflow management system (control, library, mit)2019-05-260.7.0kaizhang
SciFlow-drmaa40.00Scientific workflow management system (control, library, mit)2019-05-260.1.0kaizhang
SimpleServer80.01A simple static file server, for when apache is overkill (library, mit, program, web)2017-06-
Slides250.01Generate slides from Haskell code (graphics, library, mit)2018-10-
SmithNormalForm60.00A lightweight Haskell implementation of Smith normal form over the integers. (library, linearalgebra, math, mit)2021-12-310.1.0.0BrianHwang
SmtLib50.01Library for parsing SMTLIB2 (formal-methods, library, mit)2015-02-
Southpaw90.01Assorted utility modules (library, mit, utilities)2015-07-
Spock-digestive110.02Digestive functors support for Spock (library, mit, web)2016-08-
Spock-worker320.01Background workers for Spock (library, mit, web)2016-08-
StrictCheck142.01StrictCheck: Keep Your Laziness In Check (library, mit, testing)2019-11-010.3.0kwf
TotalMap62.01A total map datatype (control, library, mit)2019-09-
Tournament60.01Tournament related algorithms (game, library, mit)2012-05-260.0.1EirikAlbrigtsen
TypeNat180.02Some Nat-indexed types for GHC (data, library, mit)2022-05-
UTFTConverter80.00Processing popular picture formats into .c or .raw format in RGB565 (graphics, library, mit, program, text)2016-05-
VRML40.00VRML parser and generator for Haskell (graphics, library, mit, program)2020-02-
ValveValueKeyvalue91.50A Valve Value-keyvalue parser for Haskell made with Parsec. (keyvalue, library, mit, parsing, source, valve)2021-10-
Verba170.01A solver for the WordBrain game (game, mit, program)2016-01-
WMSigner60.01WebMoney authentication module (cryptography, data, library, mit)2014-11-
WaveFront130.01Parsers and utilities for the OBJ WaveFront 3D model format (graphics, library, mit)2016-10-
WebBits-multiplate50.01A Multiplate instance for JavaScript. (language, library, mit)2011-03-
Win32-security70.01Haskell bindings to a security-related functions of the Windows API (library, mit, system)2015-04-060.1.1anton_dessiatov
X11-xfixes50.01A binding to the Xfixes X11 extension library (graphics, library, mit)2011-05-260.1.1reacocard
YACPong60.01Yet Another Pong Clone using SDL. (game, mit, program)2010-05-300.1KorcanHussein
Yocto (deprecated in favor of yocto)40.01A Minimal JSON Parser & Printer for Haskell (deprecated, library, mit, text)2014-01-270.1.0ajg
abeson80.01interconversion between aeson and bson. (data, library, mit)2014-09-
abt131.251Abstract binding trees for Haskell (language, library, mit)2015-01-
acc392.03Sequence optimized for monoidal construction and folding (library, mit, unclassified)2023-03-
achille40.00A library for building static site generators (library, mit, web)2020-09-270.0.0flupe
acid-state-dist90.01A replication backend for acid-state (database, library, mit)2015-08-
acme-iot90.01IO monad transformer (control, library, mit)2016-08-
acme-memorandom110.01Memoized random number generation (acme, library, mit)2015-05-150.0.3ion
acme-mutable-package (deprecated)42.51A mutable package. (acme, deprecated, library, mit)2018-01-010fozworth, Hackage
acme-zalgo132.251A somewhat flexible Zalgo̐ te̳͜x̥̖̉̓͞t̍̌̔ ̀̃t̴̢̞̜͓̝r̶̬̆̂̒͟á̧̡͎͔̯̰̕n̹̾̓ͬͦ̍͘ṡ̢͓͉ͮ͆l̠̖̹̗̳̖̽̌ͤ͞a͚̭͙̹̲ͭͩt͈͐o̢̭͇͍̟͐ͬ̾ͪ͜r͇.̸̅ͭ̐̀̊ͨ͛ (acme, library, mit)2018-02-
acquire160.05Abstraction over management of resources (library, mit, resources)2019-09-040.3.1NikitaVolkov, effectfully, IrinaArtemeva, vlastachu
aeson-applicative50.01make To/From JSOn instances from an applicative description (data, library, mit)2015-06-
aeson-better-errors670.010Better error messages when decoding JSON values. (json, library, mit, text, web)2022-03-
aeson-casing730.039Tools to change the formatting of field names in Aeson instances. (data, library, mit)2019-03-
aeson-deriving180.00data types for compositional, type-directed serialization (library, mit, serialization)2020-10-
aeson-injector502.07Injecting fields into aeson values (data, json, library, mit, web)2022-03-
aeson-json-ast80.01Integration layer for "json-ast" and "aeson" (library, mit, unclassified)2016-11-160.1.1NikitaVolkov
aeson-optics500.04Law-abiding optics for aeson (data, json, library, mit, optics)2022-08-
aeson-options (deprecated)50.03Options to derive FromJSON/ToJSON instances (data, deprecated, json, library, mit)2018-10-010.1.0serokell
aeson-qq1022.012JSON quasiquoter for Haskell (json, library, mit)2021-10-110.8.4OscarFinnsson, SimonHengel
aeson-schema420.01Haskell JSON schema validator and parser generator (data, library, mit)2020-04-, TimBaumann, ChristianMarie, ocramz
aeson-single-field52.00Conveniently wrap a single value in a record when encoding to and from JSON (json, library, mit, text, web)2022-06-
aeson-smart62.01Smart derivation of Aeson instances (library, mit, web)2012-08-
aeson-t140.01Transform JSON (data, library, mit)2015-04-280.0.5begriffs
aeson-toolkit80.01A generalization of Aeson over Failure (json, library, mit, text, web)2013-12-070.0.1SimonHengel
aeson-value-parser910.02API for parsing "aeson" JSON tree into Haskell types (data, json, library, mit, parsing)2023-04-
aeson-with200.01withXField combinators for aeson (aeson, data, library, mit)2020-08-
aeson-yak200.01Handle JSON that may or may not be a list, or exist (data, library, mit)2017-12-
affinely-extended60.01 (data, library, mit)2017-04-
agda-language-server130.00An implementation of language server protocal (LSP) for Agda 2. (development, library, mit, program)2021-10-250.2.1banacorn
agda-unused80.00Check for unused code in an Agda project. (dependent-types, library, mit, program)2022-11-260.3.0msuperdock
airship350.01A Webmachine-inspired HTTP library (library, mit, web)2022-04-110.9.5lambda_foo, reiddraper, patrick_thomson
alea270.01a diceware passphrase generator (mit, program, utility)2017-08-
algebraic-graphs4052.7520A library for algebraic graph construction and transformation (algebra, algorithms, data-structures, graphs, library, mit)2022-06-200.7snowleopard
algorithmic-composition-additional80.00Helps 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-
algorithmic-composition-basic250.04Helps 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-
algorithmic-composition-complex80.00Helps to create more complex experimental music from a file (especially timbre). (Ukrainian, algorithmic-composition, library, mit, music, sound, sox)2022-08-
algorithmic-composition-frequency-shift40.00Helps to create experimental music. Uses SoX inside. (algorithmic-composition, library, mit, music, sound, sox)2021-02-
algorithmic-composition-overtones60.00Some variants of the overtones functions to generate a timbre. (algorithmic-composition, audio, library, mit, sound, sox, timbre)2022-02-
align-text80.01A simple unix filter to align text on specified substrings (mit, program, text)2015-01-
amazon-products60.01Connector for Amazon Products API (library, mit, program, web)2014-07-
amqp-conduit110.01Conduit bindings for AMQP (see amqp package) (library, mit, network)2017-07-
animalcase80.02Convert camelCase to snake_case and vice versa (library, mit, text)2014-11-
animate-frames90.00Convert sprite frames to animate files (game, library, mit, program)2018-05-300.0.1jxv
ansi-escape-codes90.01Haskell package to generate ANSI escape codes for styling strings in the terminal. (library, mit, unclassified)2017-12-
ansigraph210.02Terminal-based graphing via ANSI and Unicode (graphics, library, mit)2017-12-
antigate420.01Interface for captcha recognition API (captcha, library, mit, network-apis, text-recognition)2017-06-122.0.2MikhailKuddah
antiope-athena1060.01Please see the README on Github at <> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-contract880.01Please see the README on Github at <> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-core1120.06Please see the README on Github at <> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-dynamodb1140.01Please see the README on Github at <> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-es150.00Please see the README on Github at <> (library, mit, services)2020-10-227.5.3arbornetworks
antiope-messages980.03Please see the README on Github at <> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-optparse-applicative630.01Please see the README on Github at <> (library, mit, services)2020-10-227.5.3arbornetworks
antiope-s31080.07Please see the README on Github at <> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-shell300.00Please see the README on Github at <> (library, mit, services)2020-10-227.5.3arbornetworks
antiope-sns1120.01Please see the README on Github at <> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-sqs1150.01Please see the README on Github at <> (library, mit, services)2020-10-227.5.3newhoggy, alexeyraga, arbornetworks, dsturnbull
antiope-swf290.00Please see the README on Github at <> (library, mit, services)2019-10-087.4.4arbornetworks
ap-normalize1360.02Self-normalizing applicative expressions (control, library, mit)2021-05-
api-monobank162.00 (library, mit, program, web)2019-07-
api-opentheory-unicode100.01OpenTheory unicode character API (library, mit, text)2015-05-131.2JoeHurd
api-rpc-accumulate50.00JSON-RPC API client for Accumulate blockchain (library, mit, program, web)2022-02-
api-rpc-factom90.00RPC API client for Factom (library, mit, program, web)2019-10-
api-rpc-pegnet100.00simple json-rpc client for PegNet (library, mit, web)2020-01-
api-yoti50.00Api bindings for Yoti services (library, mit, web)2019-07-300.1.0.0sigrlami
apiary1442.515Simple and type safe web framework that generate web API documentation. (library, mit, web)2017-10-272.1.2HirotomoMoriwaki, winterland
apiary-authenticate450.01authenticate support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-clientsession470.02clientsession support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-cookie580.02Cookie support for apiary web framework. (library, mit, web)2017-10-261.5.1HirotomoMoriwaki, winterland
apiary-eventsource320.01eventsource support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-helics210.01helics support for apiary web framework. (library, mit, web)2015-03-041.4.0HirotomoMoriwaki, winterland
apiary-http-client120.01A http client for Apiary. (library, mit, web)2017-11-
apiary-logger450.02fast-logger support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-memcached190.01memcached client for apiary web framework. (library, mit, web)2015-03-041.4.0HirotomoMoriwaki, winterland
apiary-mongoDB210.01mongoDB support for apiary web framework. (library, mit, web)2017-10-271.5.1HirotomoMoriwaki, winterland
apiary-persistent462.01persistent support for apiary web framework. (library, mit, web)2017-10-251.5.1HirotomoMoriwaki, winterland
apiary-purescript330.01purescript compiler for apiary web framework. (library, mit, web)2015-03-041.4.0HirotomoMoriwaki, winterland
apiary-redis60.01redis support for apiary web framework. (library, mit, web)2017-11-111.5.1winterland
apiary-session110.03session support for apiary web framework. (library, mit, web)2017-10-241.5.0HirotomoMoriwaki, winterland
apiary-websockets490.01websockets support for apiary web framework. (library, mit, web)2017-10-241.5.0HirotomoMoriwaki, winterland
apotiki60.01a faster debian repository (library, mit, program, system)2014-01-240.5.2pyr
appc130.01app container types and tools (data, library, mit, program)2015-04-100.0.6wereHamster
appendful90.02 (library, mit, unclassified)2022-06-
appendful-persistent80.00 (library, mit, unclassified)2022-11-
applicable130.00A class for things that can be applied (data, library, mit)2022-07-
approveapi60.00ApproveAPI Haskell Client (api, client, library, mit)2019-04-
approx62.00Easy-to-use emulation of approximate, ranges and tolerances in Haskell (library, mit, numeric, program)2021-02-
ar-timestamp-wiper60.01Wipes time stamps from .a files (like ar -D) (application, library, mit, program)2013-08-070.1.0NiklasHambuechen, PatrickChilton
arbor-datadog110.03Datadog client for Haskell. (library, mit, network)2019-10-, haskellworks, arbornetworks
arbor-lru-cache71.251LRU cache based on STM (concurrency, data, library, mit)2019-10-, arbornetworks
arbor-monad-counter100.01Counter library for submitting metrics to a backend such as datadog (library, mit, services)2019-10-172.0.2newhoggy, haskellworks, arbornetworks
arbor-monad-logger170.00Simple logging library (library, logging, mit, program)2019-10-
arbor-monad-metric230.01Core metric library for publishing metrics. (library, metrics, mit)2019-10-171.2.1newhoggy, haskellworks, arbornetworks
arbor-monad-metric-datadog170.00Metric library backend for datadog. (library, metrics, mit)2019-11-181.1.2newhoggy, haskellworks, arbornetworks
arbor-postgres140.01Convenience types and functions for postgresql-simple. (library, mit, services)2019-10-170.0.5newhoggy, haskellworks, arbornetworks
arch-hs540.00Distribute hackage packages to archlinux (distribution, library, mit, program)2023-05-300.11.1.0felixonmars, berberman
arch-web210.01Arch Linux official and AUR web interface binding (library, mit, web)2023-05-300.2felixonmars, berberman
argo350.00Parse and render JSON. (json, library, mit, program)2022-08-280.2022.8.28fozworth
ariadne160.01Go-to-definition for Haskell (language, mit, program)2014-11-, manzyuk
arion202.01Watcher and runner for Hspec (mit, program, testing)2015-04-
arithmetic180.01Natural number arithmetic (library, mit, number-theory, program)2020-03-111.6JoeHurd
arithmetic-circuits60.00Arithmetic circuits for zkSNARKs (cryptography, library, mit)2020-01-150.2.0sdiehl
arithmoi1582.022Efficient basic number-theoretic functions. (algorithms, library, math, mit, number-theory)2023-04-, DanielFischer, HerbertValerioRiedel, Bodigrim
arity-generic-liftA60.00Provides an arity-generic version of the liftA2, liftA3... liftAn functions. (control, library, mit)2018-12-310.1.0.0oisdk
array-list62.00IsList instances of Array for OverloadedLists extension (array, data, library, list, mit)2020-06-
arrow-improve50.01Improved arrows. (control, library, mit)2014-02-
asana150.00Asana API Client (library, mit, utils)2023-04-
ascetic80.03Generic markup builder. (library, mit, text)2014-07-
ascii-flatten60.00Flattens European non-ASCII characaters into ASCII (library, mit, program, text)2016-05-
ascii-progress530.04A simple progress bar for the console. (library, mit, system)2016-04-
ascii-string260.02Compact representation of ASCII strings (library, mit, unclassified)2019-06-
asciichart130.01Line charts in terminal (library, mit, text)2020-09-291.0.2madnight
asif382.00Library for creating and querying segmented feeds (library, mit, program, services)2020-01-176.0.4newhoggy, haskellworks, arbornetworks
assert4hs (deprecated in favor of assert4hs-core)52.01A set of assertion for writing more readable tests cases (deprecated, library, mit, testing)2021-03-
assert4hs-core80.02A set of assertion for writing more readable tests cases (library, mit, testing)2021-04-080.1.0paweln1986
assert4hs-hspec40.00integration point of assert4hs and hspec (library, mit, testing)2021-04-080.1.0paweln1986
assert4hs-tasty60.00Provider for tasty runner to run assert4hs tests (library, mit, web)2021-04-080.1.0paweln1986
assertions60.01A simple testing framework. (library, mit, testing)2014-06-
assoc-list92.01Association lists (lists of tuples) (data, library, mit)2021-08-, Monoid_Mary
assoc-listlike80.01Association lists (list-like collections of tuples) (data, library, mit)2021-08-, Monoid_Mary
async-ajax60.01Crossbrowser async AJAX Bindings for GHCJS (library, mit, web)2016-07-
async-extra90.01Useful concurrent combinators (library, mit, web)2017-05-
async-pool410.04A modified version of async that supports worker groups and many-to-many task dependencies (library, mit, system)2020-01-030.9.1JohnWiegley
asynchronous-exceptions (deprecated)60.01Distinguish between synchronous and asynchronous exceptions (control, deprecated, library, mit)2014-02-
atom-msp430130.01Convenience functions for using Atom with the MSP430 microcontroller family. (embedded, library, mit)2014-01-060.5.3DanielBuckmaster
atomic-write832.06Atomically write to a file (library, mit, system)2019-11-, stackbuilders, sestrella, juanpaucar, wild_willy
atrans80.01A small collection of monad (transformer) instances. (library, mit, monads)2016-01-
atrophy30.00Faster integer division and modulus operations (library, math, mit)2022-08-
attoparsec-conduit (deprecated in favor of conduit-extra)260.034Consume attoparsec parsers via conduit. (deprecated) (conduit, data, deprecated, library, mit, parsing)2014-04-021.1.0MichaelSnoyman
attoparsec-data320.06Parsers for the standard Haskell data types (library, mit, parsing)2022-11-
attoparsec-enumerator (deprecated)290.023Pass input from an enumerator to an Attoparsec parser. (deprecated, enumerator, library, mit, parsing, text)2015-05-160.3.4JohnMillikin
attoparsec-parsec140.01An Attoparsec compatibility layer for Parsec (library, mit, parsing)2014-03-210.1.3SimonHengel
attoparsec-text-enumerator70.02(deprecated) (enumerator, library, mit, parsing, text)2012-01-300.2.0.1FelipeLessa
attoparsec-time460.04Attoparsec parsers of time (attoparsec, library, mit, parsers, time)2021-12-131.0.3NikitaVolkov
attoparsec-trans140.02Interleaved effects for attoparsec parsers (control, library, mit)2015-06-
authenticate2230.013Authentication methods for Haskell web applications. (library, mit, web)2022-01-, MichaelSnoyman
authinfo-hs50.01Password querying for .authinfo (library, mit, system)2014-10-
auto362.251Denotative, locally stateful programming DSL & platform (control, library, mit)2017-01-
auto-update2330.028Efficiently run periodic, on-demand actions (control, library, mit)2019-07-090.1.6KazuYamamoto, MichaelSnoyman
autodocodec640.017Self-documenting encoder and decoder (library, mit, unclassified)2023-01-310.2.0.3Norfair
autodocodec-openapi3310.00Autodocodec interpreters for openapi3 (library, mit, unclassified)2022-07-
autodocodec-schema260.01Autodocodec interpreters for JSON Schema (library, mit, unclassified)2023-01-
autodocodec-servant-multipart40.00Autodocodec interpreters for Servant Multipart (library, mit, unclassified)2022-10-
autodocodec-swagger2100.00Autodocodec interpreters for swagger2 (library, mit, unclassified)2022-07-
autodocodec-yaml310.04Autodocodec interpreters for yaml (library, mit, unclassified)2023-01-
autoexporter842.04Automatically re-export modules. (library, mit, program, utility)2023-03-
avers-api220.02Types describing the core and extended Avers APIs (avers, library, mit)2017-09-170.1.0wereHamster
avers-api-docs100.01Swagger documentation for the Avers API (avers, library, mit)2017-02-
avers-server270.01Server implementation of the Avers API (avers, library, mit)2018-10-
avwx200.00Parse aviation weather reports (aviation, library, mit, program)2020-08-
aws-cloudfront-signed-cookies302.00Generate signed cookies for AWS CloudFront (aws, cloud, library, mit, network, program)2023-01-, Monoid_Mary
aws-dynamodb-conduit180.01Conduit-based interface for AWS DynamoDB (aws, library, mit)2015-06-
aws-easy130.00Helper function and types for working with amazonka (library, mit, network, program)2021-11-
aws-general130.07Bindings for Amazon Web Services (AWS) General Reference (aws, cloud, distributed-computing, library, mit, network, web)2015-03-300.2.2larsk
aws-larpi52.00Package Haskell functions for easy use on AWS Lambda. (aws, library, mit)2021-01-
aws-performance-tests100.01Performance 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-simple80.01Dead simple bindings to commonly used AWS Services (library, mit, web)2017-03-
aws-sns60.01Bindings for AWS SNS Version 2013-03-31 (aws, cloud, distributed-computing, library, mit, network, web)2014-08-050.1larsk
aws-sns-verify170.00Parse and verify AWS SNS messages (amazon, aws, cloud, cryptography, distributed-computing, library, mit, network, web)2022-06-, dukerutledge, mjgpy3, FreckleEngineering
aws-xray-client110.02A client for AWS X-Ray. (library, mit, tracing)2022-04-, dukerutledge, mjgpy3, FreckleEngineering
aws-xray-client-persistent170.01A client for AWS X-Ray integration with Persistent. (library, mit, unclassified)2022-04-, dukerutledge, mjgpy3, FreckleEngineering
aws-xray-client-wai130.01A client for AWS X-Ray integration with WAI. (library, mit, unclassified)2022-04-, dukerutledge, mjgpy3, FreckleEngineering
axiom160.01Web EDSL for running in browsers and server nodes using transient (library, mit, web)2018-05-290.4.7AlbertoCorona
axiomatic-classes40.01Specify axioms for type classes and quickCheck all available instances (library, mit, testing)2016-10-, bandali
azure-functions-worker40.00Azure Functions Worker (azure, cloud, library, mit, serverless)2020-07-
b91412.01A tool and library for building virtual machine images. (development, library, mit, program)2022-03-283.2.3SvenHeyll
bag (deprecated in favor of dlist)50.01A simple stable bag. (data-structures, deprecated, library, mit)2011-07-220.1DanielWaterworth
bank-holiday-usa110.01US bank holidays (library, mit, time)2021-11-110.2.0tippenein
banwords (deprecated)70.01Generalized word blacklister (deprecated, heuristics, library, mit)2015-07-
barcodes-code12860.01Generate Code 128 barcodes as PDFs (graphics, library, mit)2014-10-310.1.0dchristiansen style badge generator (graphics, library, mit)2016-12-120.1.1HirotomoMoriwaki
base-compat7092.0161A compatibility layer for base (compatibility, library, mit)2023-03-100.13.0SimonHengel, ryanglscott
base-compat-batteries5860.024base-compat with extra batteries (compatibility, library, mit)2023-03-100.13.0ryanglscott
base-generics60.01This library provides some instances for extra GHC.Generic typeclass such as Int8, Word16 and some unboxed types as well. (generic, library, mit)2015-06-
base-orphans6602.057Backwards-compatible orphan instances for base (compatibility, library, mit)2023-03-050.9.0EdwardKmett, HerbertValerioRiedel, SimonHengel, ryanglscott
base-prelude1152.2594Featureful preludes formed solely from the "base" package (library, mit, prelude)2022-03-181.6.1NikitaVolkov
base32string110.01Fast and safe representation of a Base-32 string (data, library, mit)2015-05-270.9.1solatis
base58string130.04Fast and safe representation of a Base-58 string (data, library, mit)2015-05-100.10.0solatis
base91220.00A Generic Base91 Encoder & Decoder (codec, library, mit, program)2015-07-112.1.0ajg
based50.00alternative prelude (library, mit, prelude)2022-06-200.1chessai
basex-client80.01A BaseX client for Haskell (database, library, mit)2015-12-
basic-prelude1162.2534An enhanced core prelude; a common foundation for alternate preludes. (control, library, mit, prelude)2017-12-050.7.0DanBurton, MichaelSnoyman
battlenet90.02API client for Battle.Net (library, mit, network)2015-02-
battlenet-yesod70.01Yesod integration for the battlenet package (library, mit, network)2015-02-
battleplace260.01Core definitions for service (game, library, mit)2020-08-
battleplace-api120.01Public API definitions of service (game, library, mit)2018-07-
bcp47230.01Language tags as specified by BCP 47 (data, data-structures, library, mit)2022-03-300.2.0.6PatrickBrisbin, dukerutledge, mjgpy3, FreckleEngineering
bcp47-orphans150.00BCP47 orphan instances (library, mit, orphan-instances)2023-05-300.1.0.6PatrickBrisbin, dukerutledge, mjgpy3, FreckleEngineering
bdd60.01Behavior-Driven Development DSL (library, mit, testing)2014-12-
bdelta (deprecated in favor of bytestring-delta)70.01Simple, fast binary diff/patch (data, deprecated, library, mit)2012-02-
beam (deprecated in favor of beam-core)102.51A type-safe SQL mapper for Haskell that doesn't use Template Haskell (database, deprecated, library, mit)2016-01-
beam-core1192.511Type-safe, feature-complete SQL query and manipulation interface for Haskell (database, library, mit)2023-01-, 3noch, kmicklas
beam-migrate1140.04SQL DDL support and migrations support library for Beam (database, library, mit)2023-02-, 3noch, kmicklas
beam-mysql40.00Connection layer between beam and MySQL/MariaDB (database, library, mit)2019-03-, kmicklas
beam-newtype-field60.00A newtype for wrapping newtypes into beam schemas (database, library, mit)2018-12-
beam-postgres1012.05Connection layer between beam and postgres (database, library, mit)2023-02-, 3noch, kmicklas
beam-sqlite1060.01Beam driver for SQLite (database, library, mit)2023-02-, 3noch, kmicklas
bed-and-breakfast450.02Efficient Matrix and Vector operations in 100% Haskell. (library, linear-algebra, math, mit, numeric)2018-10-220.5JulianFleischer
belka40.01HTTP client DSL (library, mit, unclassified)2018-01-220.8NikitaVolkov
bento (deprecated)32.01🍱 Manage stateful components. (deprecated, library, mit, utility)2016-04-160.1.0fozworth
bet150.01Betfair API bindings. Bet on sports on betting exchanges. (library, mit, network)2015-07-
bglib130.00Implementation of the BGAPI serial protocol (library, mit, program)2020-12-
bibdb130.01A database based bibliography manager for BibTeX (mit, program, text)2016-11-180.5.3cacay
bidirectional-instances30.00Make instance constraints bidirectional (language, library, mit)2022-09-
binary-conduit570.017data serialization/deserialization conduit library (conduit, library, mit)2018-10-131.3.1AlexanderVershilov, MathieuBoespflug, ocramz
binary-parser1120.06An efficient but limited parser API specialised to bytestrings (binary, library, mit, parser)2023-01-
binary-tree50.01 (library, mit, unclassified)2018-02-
bindings-libstemmer80.01Binding for libstemmer with low level binding. (ffi, library, mit)2014-11-
binrep100.01Encode precise binary representations directly in types (data, library, mit, serialization)2022-08-300.3.1raehik
bioinformatics-toolkit540.01A collection of bioinformatics tools (bio, library, mit)2021-11-220.10.0kaizhang
bisect-binary70.01Determine relevant parts of binary data (development, mit, program)2017-12-
bit-array100.01A bit array (aka bitset, bitmap, bit vector) API for numeric types (bit-vectors, data-structures, library, mit, pretty-printer)2016-10-010.1.2NikitaVolkov
bitcoin-api172.02Provides access to the RPC API of Bitcoin Core (finance, library, mit, network)2015-06-090.12.1solatis
bitcoin-api-extra70.01Higher level constructs on top of the bitcoin-api package (finance, library, mit, network)2015-05-140.9.1solatis
bitcoin-block110.02Utility functions for manipulating bitcoin blocks (finance, library, mit, network)2015-05-110.13.1solatis
bitcoin-script160.05Compilation, manipulation and decompilation of Bitcoin scripts (finance, library, mit, network)2015-05-110.11.1solatis
bitcoin-tx190.04Utility functions for manipulating bitcoin transactions (finance, library, mit, network)2015-05-110.13.1solatis
bitcoin-types110.03Provides consistent low-level types used commonly among Bitcoin implementations (finance, library, mit, network)2015-05-100.9.2solatis
bitfield30.00Generic and easy to use haskell bitfields (bit, data, library, mit)2023-01-
bitset350.08A space-efficient set data structure. (data-structures, library, mit)2014-03-101.4.8DenisBueno, FedorGogolev, SergeiLebedev
bitset-word8170.02Space efficient set of Word8 and some pre-canned sets useful for parsing HTTP (concurrency, library, mit)2020-07-
blas-hs90.03Low-level Haskell bindings to Blas. (library, math, mit)2014-12-
blatex242.01Blog in LaTeX (mit, program, web)2016-05-
blaze-bootstrap90.02Blaze helper functions for bootstrap pages (library, mit, web)2015-08-
blaze-json90.01tiny library for encoding json (json, library, mit, text)2015-04-030.2.1HirotomoMoriwaki
blazeMarker50.01... (library, mit, unclassified)2014-12-
blazeT130.01A true monad (transformer) version of the blaze-markup and blaze-html libraries (data, library, mit, text, web)2017-01-150.0.5johannesgerer
blizzard-html130.00An HTML renderer for Haskell (library, mit, text)2022-07-
blunt (deprecated)241.51Convert between pointfree and pointful expressions. (deprecated, library, mit, program, web)2015-04-141.0.2fozworth
bm240.00open bookmarks and queries from the command line (library, mit, program, utils)2023-05-
bmp1452.011Read and write uncompressed BMP image files. (codec, library, mit)2016-08-
bno055-haskell40.01Library for communication with the Bosch BNO055 orientation sensor (library, mit, system)2017-07-080.1.0eamsden
boardgame40.00Modeling boardgames (game, library, mit, model, program)2021-04-
bodhi100.00Fedora Bodhi REST client library (library, mit, network)2021-12-270.1.0JensPetersen
boltzmann-samplers120.03Uniform random generators (data, generic, library, mit, random)2018-04-
bond380.01Bond schema compiler and code generator (code-generation, compiler, language, library, mit, program)2020-05-, chwarr, eduardo
bookkeeping310.02A module for bookkeeping by double entry. (business, library, mit)2018-03-
bookkeeping-jp200.01Helper functions for Japanese bookkeeping. (business, library, mit)2020-01-
boolean-normal-forms130.01Boolean normal form: NNF, DNF & CNF (data, library, mit)2019-12-
boolector370.01Haskell bindings for the Boolector SMT solver (bit-vectors, formal-methods, library, math, mit, smt, theorem-provers)2020-08-
boopadoop60.00Mathematically sound sound synthesis (library, mit, music, program)2020-01-
boots220.03IoC Monad in Haskell (application, factory, ioc, library, mit, monad)2019-09-
boots-app220.02Factory for quickly building an application (application, configuration, health, library, logger, mit, program, random)2019-09-
boots-cloud (deprecated)30.00Factory for quickly building a microservice (application, consul, deprecated, library, microservice, mit, servant, swagger, web)2019-08-280.2leptonyu
boots-web (deprecated)40.01Factory for quickly building a web application (application, deprecated, library, mit, servant, swagger, web)2019-09-
bootstrap-types60.01Bootstrap CSS Framework type-safe interface (library, mit, web)2017-01-310.3andrewthad
both110.01Like Maybe, but with a different Monoid instance. (data, library, mit)2021-08-
bound-gen100.01Unwrap Scope's with globally fresh values (compilers-interpreters, library, mit)2015-03-
bower-json552.02Read bower.json from Haskell (library, mit, web)2022-05-
box-tuples280.01A hack to use GHC.Prim primitives in GHCi (debug, ghc, library, mit)2021-02-
breakpoint240.03Set breakpoints using a GHC plugin (development, library, mit)2023-03-
bson-lens130.01BSON lenses (development, library, mit)2015-09-120.1.1WilliamCasarin
buchhaltung200.01Automates most of your plain text accounting data entry in ledger format. (finance, library, mit, program)2018-02-040.0.7johannesgerer
buffer80.02Simple mutable low-level buffer for IO (data, library, mit)2017-11-010.5.3NikitaVolkov
buffer-builder-aeson150.01Serialize Aeson values with Data.BufferBuilder (data, library, mit)2022-05-, afriesen
buffet140.00Assembles many Dockerfiles in one. (development, library, mit, program)2020-11-081.0.1evolutics
bug100.08Better alternatives to the "error" function (development, error-handling, library, mit)2017-04-081.0.1HerbertValerioRiedel, NikitaVolkov
bugsnag100.03Bugsnag error reporter for Haskell (library, mit, web)2022-03-311.0.0.1PatrickBrisbin
bugsnag-haskell (deprecated in favor of bugsnag, bugsnag-wai, bugsnag-yesod)190.01Bugsnag error reporter for Haskell (deprecated, library, mit, web)2022-02-
bugsnag-wai80.01WAI integration for Bugsnag error reporting for Haskell (library, mit, web)2022-03-311.0.0.1PatrickBrisbin
bugsnag-yesod90.00Yesod integration for Bugsnag error reporting for Haskell (library, mit, web)2022-03-311.0.0.1PatrickBrisbin
build152.01Build systems a la carte (algorithms, data-structures, library, mit)2018-07-061.0snowleopard
buildable120.01Typeclass for builders of linear data structures (data, library, mit)2015-03-
bulmex130.00Reflex infused with bulma (css) (library, mit, web)2019-11-244.0.0Jappie
bunz190.00CLI tool to beautify JSON string. (cli, json, library, mit, program)2019-02-270.0.9sendyhalim
burrito630.01Parse and render URI templates. (library, mit, network)2023-04-
bytearray-parsing40.01Parsing of bytearray-based data (library, mit, parsing)2017-11-060.1NikitaVolkov
bytepatch140.00Patch byte-representable data in a bytestream (cli, library, mit, program)2023-02-150.4.1raehik
bytestring-delta80.01Simple, fast binary diff/patch (data, library, mit)2012-02-
bytestring-encodings110.01checks to see if a given bytestring adheres to a certain encoding (data-, library, mit)2018-08-310.2.0.2chessai
bytestring-read140.02fast ByteString to number converting library (data, library, mit)2015-06-150.3.1HirotomoMoriwaki
bytestring-rematch70.01Rematch support for ByteString (control, library, mit)2013-05-
bytestring-strict-builder890.05An efficient strict bytestring builder (builders, bytestring, library, mit, serialization, text)2022-06-
bytestring-tree-builder890.09A very efficient ByteString builder implementation based on the binary tree (bytestring, library, mit)2022-08-
c-dsl110.02A higher level DSL on top of language-c (language, library, mit)2014-05-070.3.1jozefg
c14n130.01Bindings to the c14n implementation in libxml. (library, mit, xml)2022-03-
c2hs-extra80.03Convenient marshallers for complicate C types. (development, foreign, library, mit)2017-10-
ca-patterns60.00Manipulate patterns in cellular automata, create and parse RLE files (data, library, mit, parsing, text)2022-04-
cabal-audit90.01Check how up-to-date your .cabal dependencies are. (distribution, mit, program)2013-09-
cabal-auto-expose70.00Build time library that autodetects exposed modules (bundle, distribution, library, mit, modules)2020-09-
cabal-constraints60.01Repeatable builds for cabalized Haskell projects. (development, distribution, mit, program)2013-12-
cabal-detailed-quickcheck280.00QuickCheck for Cabal tests (library, mit, testing)2022-10-
cabal-edit60.00Cabal utility (development, mit, program)2020-07-
cabal-graphdeps120.01Generate graphs of install-time Cabal dependencies (development, mit, program)2015-10-120.1.3JohnMillikin
cabal-info90.00Read information from cabal files (development, library, mit, program)2017-05-140.2.1barrucadu
cabal-mon100.01A monitor for cabal builds (development, mit, program)2016-08-121.0.2IavorDiatchki
cabal-test-quickcheck260.01QuickCheck for Cabal (library, mit, testing)2018-10-
cabal2json40.00Turn a .cabal file into a .json file (library, mit, program, unclassified)2022-05-300.0.0.0Norfair
cabalg280.01alias for cabal install from given git repo (library, mit, program, unclassified)2014-09-190.2.9DmitryMalikov
cafeteria-prelude40.01Prelude subsets—take only what you want! (library, mit, prelude)2015-02-, scottfleischman
cairo-canvas60.01Simpler drawing API for Cairo. (graphics, library, mit)2017-08-
calamity1870.02A library for writing discord bots in haskell (library, mit, network, web)2023-04-
calamity-commands220.02A library for declaring, parsing, and invoking text-input based commands (library, mit, utils)2022-05-300.4.0.0nitros12
call-alloy610.00A simple library to call Alloy given a specification (language, library, mit)2023-03-
call-haskell-from-anything140.00Call Haskell functions from other languages via serialization and dynamic libraries (library, mit, network, program)2017-08-
call-plantuml410.00A simple library to call PlantUML given a diagram specification (graphics, language, library, mit)2023-05-
call-stack2610.028Use GHC call-stacks in a backward compatible way (data, library, mit)2021-05-150.4.0SimonHengel
canon230.01Arithmetic for Psychedelically Large Numbers (library, math, mit)2019-09-
canteven-http180.02Utilities for HTTP programming. (library, mit, unclassified)2017-09-, glasserc
cantor-pairing170.00Convert data to and from a natural number representation (data, library, mit)2022-05-
capataz190.01OTP-like supervision trees in Haskell (concurrency, control, library, mit)2019-05-
capnp510.00Cap'n Proto for Haskell (capnproto, data, library, mit, network, program, rpc, serialization)2023-02-
captcha-2captcha50.00A package for integrating a variety of captcha solving services. (library, mit, network)2022-01-
captcha-capmonster40.00A package for integrating a variety of captcha solving services. (library, mit, network)2022-01-
captcha-core70.02A package for integrating a variety of captcha solving services. (library, mit, network)2022-01-
caramia340.01High-level OpenGL bindings (graphics, library, mit)2015-05-
cas-hashable62.03A hashing class for content-addressed storage (control, library, mit)2020-03-091.0.1YvesPares
cas-hashable-s350.00ContentHashable instances for S3 objects (control, library, mit)2020-03-091.0.0YvesPares
cas-store92.01A content-addressed storage (control, library, mit)2020-06-011.1.0YvesPares
cased70.01Track string casing in its type (library, mit, text)2015-06-
cases370.04A converter for spinal, snake and camel cases (library, mit, text)2022-11-
casing1010.024Convert between various source code casing conventions (library, mit, text)2019-09-
cassava-megaparsec520.02Megaparsec parser of CSV files that plays nicely with Cassava (csv, library, mit, parsing, text, web)2021-10-212.0.4jsl, stackbuilders, sestrella, mrkkrp, wild_willy
casui40.01Equation Manipulator (math, mit, program)2011-06-040.3EtienneLaurin
catnplus60.01Simple tool to display text files with line numbers and paging (command-line-tool, mit, program)2017-03-
cayley-dickson220.01Complex numbers, quaternions, octonions, sedenions, etc. (algebra, library, math, mit)2015-11-300.3.1.0lmj
celtchar (deprecated)90.00A tool to build a novel (deprecated, library, mit, program, text)2018-03-
cereal-data-dword70.01Integration of "cereal" and "data-dword" (library, mit, unclassified)2018-08-110.1.1NikitaVolkov
cereal-plus (deprecated)110.02An extended serialization library on top of "cereal" (deprecated, library, mit, serialization)2016-09-030.4.2NikitaVolkov
cereal-unordered-containers70.01Integration of "cereal" and "unordered-containers" (library, mit, unclassified)2018-08-020.1NikitaVolkov
cereal-uuid140.01Integration of "cereal" and "uuid" (library, mit, unclassified)2018-08-
cf152.251Exact real arithmetic using continued fractions (library, math, mit)2015-09-030.4.2mvr
cfn-flip70.01Haskell implementation of aws/cfn-flip (library, mit, tools)2022-11-, dukerutledge, mjgpy3, FreckleEngineering
chakra90.00A REST Web Api server template for building (micro)services. (library, mit, program, web)2021-11-070.1.2cackharot
chalk80.01Terminal string styling. (library, mit, system)2016-09-
chapelure50.00A diagnostics library for Haskell (library, mit, pretty-printer)2022-03-310.0.1.0hecate
char-qq80.00Quasiquoters for characters and codepoints (library, mit, quasiquotes)2019-02-
character-cases200.00Exposes subspecies types of Char. And naming cases. (library, mit, simple)2020-06-
chassis140.01Polykinded Prelude Kernel. (library, mit, prelude)2021-08-
chatwork330.00The ChatWork API in Haskell (library, mit, program, web)2018-08-
chell620.03A simple and intuitive library for automated testing. (library, mit, testing)2022-01-, Monoid_Mary
chell-hunit170.01HUnit support for the Chell testing library (library, mit, testing)2022-01-
chell-quickcheck360.01QuickCheck support for the Chell testing library (library, mit, testing)2022-01-
chez-grater170.00Parse and scrape recipe blogs (library, mit, program, web)2022-11-290.1.2dfithian
chorale202.251A module containing basic functions that the prelude does not offer (library, mit, prelude)2017-07-080.1.8FranzBenjaminMocnik
chorale-geo92.01A module containing basic geo functions (library, mit, prelude)2016-06-050.1.2FranzBenjaminMocnik
chromatin70.00neovim package manager (library, mit, neovim, program)2018-12-300.1.1.0tek
chronologique (deprecated in favor of core-data)162.04Time to manipulate time (deprecated, library, mit, text)2020-07-
chunked-data690.012Typeclasses for dealing with various chunked data representations (data, library, mit)2018-01-150.3.1MichaelSnoyman
church50.00Automatically convert Generic instances to and from church representations (generics, library, mit)2018-11-
church-list (deprecated)40.01Removed; please see fmlist. (deprecated, library, mit, system)2014-05-030.0.2JohnWiegley
churros230.00Channel/Arrow based streaming computation library. (control, data, library, mit)2022-10-
cio (deprecated)50.02A monad for concurrent IO on a thread pool (concurrency, deprecated, library, mit)2014-02-070.1.0NikitaVolkov
ciphersaber2110.01Implementation of CipherSaber2 RC4 cryptography. (data, library, mit, program)2015-12-
circle30.00Circle API client for Haskell (library, mit, web)2022-11-
circlehs62.01The CircleCI REST API for Haskell (api, library, mit, web)2016-04-280.0.3dshevchenko
cirru-parser50.01Cirru Parser in Haskell (library, mit, text)2015-05-100.0.2jiyinyiyong
cisco-spark-api130.00DEPRECATED in favor of webex-teams-api (library, mit, program, web)2018-12-
cityhash170.02Bindings to CityHash (codec, library, mit)2012-02-
clafer360.03Compiles Clafer models to other formats: Alloy, JavaScript, JSON, HTML, Dot. (library, mit, model, program)2017-03-130.4.5mantkiew
claferIG340.01claferIG is an interactive tool that generates instances of Clafer models. (library, mit, model, program)2017-03-130.4.5mantkiew
claferwiki370.01A wiki-based IDE for literate modeling with Clafer (library, mit, wiki)2017-03-130.4.5mantkiew
clang-compilation-database70.01JSON Compilation Database Format encoding and decoding (language, library, mit)2018-03-
clanki370.01Command-line spaced-repetition software (education, mit, program)2016-10-051.2.7marcusbuffett
clarifai100.01API Client for the Clarifai API. (library, mit, network)2015-12-310.2.0.0jcanero
clash-shake190.00Shake rules for building Clash programs (hardware, library, mit, shake)2022-11-250.3.2GergoErdi
clashilator110.00Automated Clash to Verilator bridge (development, hardware, library, mit, program)2022-09-
classy-prelude1930.057A typeclass-based Prelude. (control, library, mit, prelude)2021-12-, MichaelSnoyman
classy-prelude-conduit1280.010classy-prelude together with conduit functions (control, library, mit, prelude)2018-10-081.5.0GregWeber, MichaelSnoyman
classy-prelude-yesod1100.08Provide a classy prelude including common Yesod functionality. (control, library, mit, yesod)2018-10-081.5.0GregWeber, MichaelSnoyman
cless90.01Colorized LESS (mit, program, text)2015-03-
cleveland150.01Testing framework for Morley. (blockchain, library, mit)2023-03-300.3.1pasqu4le
cli-arguments210.05A library to process command line arguments in some more convenient way. (cli, library, mit)2023-01-300.7.0.0OleksandrZhabenko
cli-arguments-strict50.00A library to process command line arguments in some more convenient way. (cli, library, mit, strict)2022-01-
cli-builder60.01Simple project template from stack (library, mit, tool)2016-11-090.1.0mizunashi_mana
clickhouse-haskell162.00A Haskell library as database client for Clickhouse (database, library, mit)2021-02-
clientsession1470.031Securely store session data in a client-side cookie. (library, mit, program, web)2016-07-, MichaelSnoyman
clif70.01A Clifford algebra number type for Haskell (algebra, library, math, mit)2018-04-
clingo50.01Haskell bindings to the Clingo ASP solver (asp, ffi, library, logic-programming, mit, symbolic-computation)2017-08-
clippard60.01A simple Haskell library for copying text to the clipboard in a cross-platform way. (library, mit, system)2012-11-150.1.1AnthonyGrimes
clippings130.01A parser/generator for Kindle-format clipping files (`My Clippings.txt`), (library, mit, program, text)2015-08-270.2.0vi
clisparkline50.00Tiny library to pretty print sparklines onto the CLI (graphics, library, mit)2019-05-
clone-all50.01Clone all github repositories from a given user (development, mit, program)2014-06-
closed162.01Integers bounded by a closed interval (data, library, mit)2022-03-310.2.0.2PatrickBrisbin, dukerutledge, mjgpy3, FreckleEngineering
closure40.01Depth- and breadth-first set closures (library, math, mit)2013-10-
cloudi290.01Haskell CloudI API (foreign, library, mit)2022-10-132.0.5okeuday
clustering222.04High performance clustering algorithms (library, math, mit)2019-01-080.4.1kaizhang
cmd-item50.01Library to compose and reuse command line fragments (library, mit, system)2015-04-300.0.1.0geraud
cmdtheline200.07Declarative command-line option parsing and documentation library. (console, library, mit)2013-04-290.2.3EliFrey
cmf50.00(C)oncurrent (M)onoidal (F)olds (data, library, mit)2019-11-230.1chessai
codeforces-cli62.00Command line interface to interact with Codeforces. (cli, library, mit, program)2021-06-170.1.0farbodsz
coerce-util (deprecated in favor of coercible-utils)40.02utils for Data.Coerce (data, deprecated, library, mit)2018-04-
coinbase-exchange150.00Connector library for the coinbase exchange. (library, mit, program, web)2017-09-
coinbase-pro422.00Client for Coinbase Pro (finance, library, mit, program, web)2022-12-
collection-json290.01Collection+JSON—Hypermedia Type Tools (data, library, mit)2019-02-
color-counter70.01Count colors in images (graphics, library, mit, program)2016-04-
colorful-monoids230.02Styled console text output using ANSI escape sequences. (library, mit, monad, text, user-interfaces)2020-06-
colour3182.0123A model for human colour/color perception (data, graphics, library, mit)2021-06-242.3.6RussellOConnor
commander-cli522.00A command line argument/option parser library (cli, library, mit, options, parsing, program, system)2023-01-
commandert140.01A monad for commanders (control, library, mit)2022-01-
commonmark-simple70.01Simple interface to commonmark-hs (library, mit, text)2022-02-
commonmark-wikilink70.01Obsidian-friendly commonmark wikilink parser (library, mit, web)2022-11-
compaREST60.00Compatibility checker for OpenAPI (library, mit, program, web)2022-03-, iko
compdoc80.02Parse a Pandoc to a composite value. (composite, library, mit, pandoc, text)2021-07-
competition50.01Helpers and runners for code competitions (code-competitions, library, mit)2014-04-
componentm120.01Monad for allocation and cleanup of application resources (library, mit, system)2018-05-
componentm-devel80.01Easy REPL driven development using ComponentM (library, mit, system)2018-05-
compose-ltr192.01More intuitive, left-to-right function composition. (data, library, mit)2017-11-210.2.4Wizek
composite-aeson-cofree-list40.01Print a Cofree [] as a JSON value. (library, mit, text)2020-09-
composite-aeson-throw40.02MonadThrow behaviour for composite-aeson. (library, mit, text)2020-09-
composite-aeson-writeonly50.02WriteOnly indicators for composite-aeson. (library, mit, text)2020-09-
composite-cassava120.01Csv parsing functionality for composite. (composite, csv, library, mit)2021-09-
composite-dhall180.00Dhall instances for composite records. (composite, data, dhall, library, mit)2022-09-
composite-lens-extra70.00Extra lens functions for composite. (composite, data, lens, library, mit)2022-09-
composite-tuple80.01Tuple functions for composite records. (composite, data-structures, library, mit)2020-09-
composite-xml60.00RecXML Type (composite, data, library, mit, xml)2022-07-
composite-xstep70.01ReaderT transformer pattern for higher kinded composite data. (data-structures, library, mit)2020-09-
compound-types262.01Sum and Product types and such (data, library, mit, type-system, types)2020-04-
concurrency770.012Typeclasses, functions, and data types for concurrency and STM. (concurrency, library, mit)2021-08-
concurrency-benchmarks80.01Benchmarks to compare concurrency APIs (benchmark, mit, program)2018-09-120.1.1harendra
concurrent-buffer60.01Concurrent expanding buffer (data, library, mit)2017-10-260.1NikitaVolkov
concurrent-rpc60.01An abstraction for inter-thread RPC based on MVars (concurrency, library, mit)2016-03-
concurrent-state460.01MTL-like library using TVars (control, library, mit)2014-01-
conduit9882.25577Streaming data processing library. (conduit, data, library, mit)2023-05-221.3.5MichaelSnoyman
conduit-algorithms542.02Conduit-based algorithms (conduit, library, mit)2022-08-
conduit-combinators1650.061DEPRECATED Functionality merged into the conduit package itself (conduit, data, library, mit)2018-02-011.3.0MichaelSloan, MichaelSnoyman
conduit-concurrent-map212.04Concurrent, order-preserving mapping Conduit (conduit, data, library, mit)2022-05-270.1.3NiklasHambuechen
conduit-extra3920.0209Batteries included conduit: adapters for common libraries. (conduit, data, library, mit)2022-05-101.3.6MichaelSnoyman
conduit-find110.00A file-finding conduit that allows user control over traversals. (library, mit, program, system)2016-07-
conduit-zstd480.04Conduit-based ZStd Compression (conduit, library, mit)2020-05-
confcrypt180.00 (library, mit, program, unclassified)2019-05-
confetti110.00A simple config file swapping tool (command-line-tools, library, mit, program)2018-12-121.0.0aviaviavi
conffmt60.01A .conf file formatter (data, mit, program)2016-08-310.2.3.0yamadapc
config-parser280.01Parse config files using parsec and generate parse errors on unhandled keys (library, mit, text)2018-01-
config-value1012.55Simple, layout-based value language similar to YAML or JSON (language, library, mit)2022-08-100.8.3EricMertens
config-value-getopt110.01Interface between config-value and System.GetOpt (configuration, library, mit)2019-10-, galoisinc
configuration-tools722.05Tools for specifying and parsing configurations (configuration, console, library, mit, program)2021-10-120.6.1larsk, fosskers
congruence-relation50.01Decidable congruence relations for Haskell: up to you whether this is a joke (data, library, mit)2014-12-
conlogger70.01A logger for a concurrent program. (concurrency, library, mit, program)2015-01-
consistent80.01Eventually consistent STM transactions. (library, mit, system)2017-01-230.1.0JohnWiegley
console-style (deprecated in favor of colorful-monoids)100.02Styled console text output using ANSI escape sequences. (deprecated, library, mit, monad, text, user-interfaces)2016-12-
constrained-dynamic240.01Dynamic typing with retained constraints (data, library, mit)2016-08-
constrained-monads160.01Typeclasses and instances for monads with constraints. (control, library, mit)2017-03-310.5.0.0oisdk
constraint-manip90.02Some conviencience type functions for manipulating constraints. (control, library, mit)2017-10-
constraints-emerge100.01Defer instance lookups until runtime (constraints, library, mit)2018-04-190.1.2isovector
constrictor180.02strict versions of many things in base (control, library, mit)2018-05-310.1.2.0chessai
containers-verified90.01Formally verified drop-in replacement of containers (data, library, mit)2018-06-
context350.04Thread-indexed, nested contexts (data, library, mit)2022-07-
context-http-client190.00Modify HTTP requests/responses using context (library, mit, web)2022-07-
context-resource180.00Thread-safe, pool-compatible resource provider (data, library, mit)2022-07-
context-stack80.01An abstraction of a stack and stack-based monadic context. (data, library, mit)2014-08-
context-wai-middleware160.00Add request-specific (or not!) context to your WAI applications (library, mit, web)2022-07-
continuum190.01 (library, mit, unclassified)2014-11-
continuum-client50.01 (library, mit, unclassified)2014-11-
contravariant-extras640.08Extras for the "contravariant" package (control, library, mit)2021-11-
control-invariants50.02Invariants and contract monitoring (control, library, mit)2016-10-, bandali
conversion200.09Universal converter between values of different types (control, conversion, data, library, mit)2016-04-121.2.1NikitaVolkov
conversion-bytestring180.01"Conversion" instances for the "bytestring" library (control, conversion, data, library, mit)2022-05-
conversion-case-insensitive50.02"Conversion" instances for the "case-insensitive" library (control, conversion, data, library, mit)2015-04-
conversion-text210.04"Conversion" instances for the "text" library (control, conversion, data, library, mit)2022-05-
conversions90.00Injective explicit total and partial conversions (library, mit, unclassified)2020-11-200.0.4mbj
cookie3392.066HTTP cookie parsing and rendering (library, mit, web, yesod)2023-01-040.4.6MichaelSnoyman
core-compiler90.00compile your own mini functional language with Core (compiler, language, library, mit, program)2017-08-
core-data600.05Convenience wrappers around common data structures and encodings (library, mit, system)2023-04-
core-effect-effectful50.00Interoperability with the effectful effects system (library, mit, system)2023-02-
core-program1800.05Opinionated Haskell Interoperability (library, mit, system)2023-05-
core-telemetry880.02Advanced telemetry (library, mit, system)2023-04-
core-text632.06A rope type based on a finger tree over UTF-8 fragments (library, mit, system)2023-02-
core-webserver-servant160.00Interoperability with Servant (library, mit, system)2022-10-
core-webserver-warp500.01Interoperability with Wai/Warp (library, mit, system)2023-05-
couch-simple60.01A modern, lightweight, complete client for CouchDB (database, library, mit)2015-09-
countable-inflections140.01Countable Text Inflections (library, mit, text)2020-12-220.3.0tippenein
counter102.01An object frequency counter. (data, library, mit)2017-09-
courier512.02A message-passing library for simplifying network applications (distributed-computing, library, message-oriented, mit, network, program)2017-05-
coverage130.01Exhaustivity Checking Library (control, library, mit)2016-02-
cprng-aes-effect100.01Run random effect using cprng-aes, a crypto pseudo number generator. (crypto, effect, library, mit)2014-06-
cpuinfo132.02Haskell Library for Checking CPU Information (library, mit, system)2021-03-
cqrs300.02Command-Query Responsibility Segregation (data, library, mit)2015-09-170.9.1BardurArantsson
cqrs-core50.03Command-Query Responsibility Segregation (data, library, mit)2015-09-160.10.0BardurArantsson
cqrs-example240.01Example for cqrs package (mit, program, web)2015-09-160.10.0BardurArantsson
cqrs-memory60.00Memory backend for the cqrs package. (data, library, mit)2015-09-160.10.0BardurArantsson
cqrs-postgresql70.01PostgreSQL backend for the cqrs package. (data, library, mit)2015-09-160.10.0BardurArantsson
cqrs-sqlite3130.01SQLite3 backend for the cqrs package. (data, library, mit)2013-03-100.9.0BardurArantsson
cqrs-test50.01Command-Query Responsibility Segregation Test Support (data, library, mit)2013-03-100.9.0BardurArantsson
cqrs-testkit50.01Command-Query Responsibility Segregation Test Support (data, library, mit)2015-09-160.10.0BardurArantsson
cqrs-types90.05Command-Query Responsibility Segregation. Modules for the basic types. (data, library, mit)2015-09-170.9.1BardurArantsson
craftwerk60.042D graphics library with integrated TikZ output. (graphics, library, mit)2011-03-140.1MalteHarder
craftwerk-cairo60.02Cairo backend for Craftwerk. (graphics, library, mit)2011-03-140.1MalteHarder
craftwerk-gtk50.02Gtk UI for Craftwerk. (graphics, library, mit)2011-03-140.1MalteHarder
craze130.00HTTP Racing Library (library, mit, program, web)2016-08-
crc150.03Implements various Cyclic Redundancy Checks (CRC) (library, mit, web)2020-10-
crdt-event-fold202.01Garbage collected event folding CRDT. (crdt, library, mit)2022-10-
crem42.00Compositional representable executable machines (control, library, machines, mit, program, state-machines)2023-03-
criterion-plus120.01Enhancement of the "criterion" benchmarking library (benchmarking, library, mit)2014-12-260.1.3NikitaVolkov
criu-rpc90.01CRIU RPC client. (criu, library, mit)2017-02-070.0.2wayofthepie
criu-rpc-types80.01Criu RPC protocol buffer types. (criu, library, mit)2017-01-
cron1030.06Cron datatypes and Attoparsec parser (library, mit, parsing, system, text)2020-03-240.7.0MichaelXavier
cron-compat (deprecated in favor of cron)30.01Cron datatypes and Attoparsec parser (deprecated, library, mit, parsing, system, text)2015-06-090.2.6andrewthad
cronus (deprecated)30.00Another bloated standard library (deprecated, library, mit, prelude)2020-07-
cropty162.01Encryption and decryption (crypto, cryptography, library, mit)2021-09-
crypto-keys-ssh50.00Like crypto-pubkey-openssh but not dependent on any specific crypto library (cryptography, library, mit)2019-12-
crypto-pubkey-openssh260.03OpenSSH keys decoder/encoder (cryptography, library, mit, parsing)2015-01-210.2.7FedorGogolev
crypto-random-effect200.02A random effect using crypto-random (crypto, effect, library, mit)2014-09-
crypto-rng-effectful110.00Adaptation of the crypto-rng library for the effectful ecosystem. (crypto, library, mit)2022-07-
crypto-simple130.02A simple high level encryption interface based on cryptonite (cryptography, library, mit)2016-09-
cryptocompare170.01Haskell wrapper for the cryptocompare API (library, mit, web)2020-09-250.1.2aviaviavi
css-syntax260.07High-performance CSS tokenizer and serializer. (data, library, mit)2023-03-, alcinnz
css-text860.09CSS parser and renderer. (library, mit, web, yesod)2018-02-, MichaelSnoyman
csv652.019CSV loader and dumper (library, mit, text)2010-11-080.1.2JaapWeel
csv-table80.01Scripts for manipulating tables stored as CSV files (data, library, mit)2016-04-
ctrie230.03Non-blocking concurrent map (concurrency, data-structures, library, mit)2017-09-290.2MichaelSchroeder
cubical130.01Implementation of Univalence in Cubical Sets (dependent-types, mit, program)2014-04-270.2.0AndersMortberg
cuboid170.013D Yampa/GLUT Puzzle Game (game, mit, program)2015-05-220.14.2PedroMartins
cuckoo-filter160.00Pure and impure Cuckoo Filter (data, library, mit, program)2018-12-
curl-cookiejar50.00Parsing and pretty-printing of cURL/wget cookie jars (library, mit, web)2019-03-
curl-runnings340.00A framework for declaratively writing curl based API tests (library, mit, program, testing)2022-03-070.17.0aviaviavi
currency-codes260.03ISO-4217 Currency Codes (data, library, mit)2018-03-
current-locale90.01Get the current system locale in System.Locale format (library, mit, system)2015-03-
currycarbon130.00A package for simple, fast radiocarbon calibration (archaeoinformatics, library, mit, program)2022-07-
cursor290.03Purely Functional Cursors (editor, library, mit)2021-12-
cursor-brick120.00 (library, mit, unclassified)2021-11-
cursor-fuzzy-time80.01 (library, mit, time)2020-02-
cursor-fuzzy-time-gen60.00 (library, mit, time)2021-11-
cursor-gen150.02Generators for Purely Functional Cursors (cursor, library, mit)2021-11-
curves130.01Library for drawing curve based images. (graphics, library, mit)2015-09-
cut-the-crap330.00Cuts out uninteresting parts of videos by detecting silences. (library, mit, program, video)2020-11-052.3.1Jappie
d10442.02Digits 0-9 (data, library, mit)2023-01-, Monoid_Mary
d3d11binding182.00A raw binding for the directX 11 (graphics, library, mit, program)2016-05-
damnpacket430.01Parsing dAmn messages (library, mit, network)2018-07-041.3.1JudeTaylor
danibot40.00Basic Slack bot framework. (library, mit, network, program)2016-03-
data-as80.00Simple extensible sum (data, library, mit)2020-11-
data-basic152.01A database library with a focus on ease of use, type safety and useful error messages (database, library, mit)2018-03-
data-binary-ieee754 (deprecated in favor of binary, cereal)1590.065Parser/Serialiser for IEEE-754 floating-point values (data, deprecated, library, mit)2013-07-070.4.4JohnMillikin
data-carousel60.02A rotating sequence data structure (data, library, mit)2014-11-
data-combinator-gen120.00Generate a special combinator from any data type. (data, library, mit)2019-05-
data-compat210.00Define Backwards Compatibility Schemes for Arbitrary Data (data, library, mit)2022-09-
data-concurrent-queue100.01A Library for directional queues (concurrency, library, mit)2014-05-300.3.0.0georgerogers42
data-elevator70.01Coerce between unlifted boxed and lifted types. (data, library, mit)2022-11-
data-embed50.01Embed files and other binary blobs inside executables without Template Haskell. (data, library, mit, program)2016-01-
data-flagset50.01An efficient data type for sets of flags (data, library, mit)2015-07-
data-forced110.00Specify that lifted values were forced to WHNF or NF. (data, library, mit)2023-04-
data-lens-light450.010Simple lenses, minimum dependencies (data, lenses, library, mit)2021-06-, srk
data-map-multikey110.01Data.Map with multiple, unique keys (data, library, mit)2015-05-
data-pdf-fieldreader80.00Read PDF form fields (data, library, mit, program)2021-08-
data-r-tree290.02R-Tree is a spatial data structure similar to Quadtrees or B-Trees. (data-structures, library, mit)2020-01-220.6.0SebastianPhilipp
data-size160.02Profiling of data structures (library, mit, testing)2014-01-
data-stringmap140.04An efficient implementation of maps from strings to arbitrary values (data-structures, library, mit)2014-02-, SebastianPhilipp
data-structure-inferrer60.01Program that infers the fastest data structure available for your program (development, mit, program)2011-12-271.0AleksanderBalicki
data-tensor60.01Tensor and Group typeclasses (data, library, mit)2015-06-
datadog291.252Datadog client for Haskell. Supports both the HTTP API and StatsD. (library, mit, network)2022-03-300.3.0.0IanDuncan, dfithian
datasets472.01Classical data sets for statistics and machine learning (data, data-mining, library, machine-learning, mit, statistics)2019-02-120.4.0glutamate, ocramz, stites
dataurl80.01Handle data-urls (library, mit, web)2015-11-
date-conversions90.01Date conversions (data, date, library, mit)2018-02-
dawdle90.00Generates DDL suggestions based on a CSV file (database, library, mit, program)2015-12-
dbcleaner130.01Clean database tables automatically around hspec tests (database, library, mit)2017-08-020.1.3jsl, sestrella, goetzc
ddc-base (deprecated in favor of ddc-core)120.014Disciplined Disciple Compiler common utilities. (compilers-interpreters, deprecated, library, mit)2016-04-300.4.2.1BenLippmeier
ddc-build (deprecated)130.02Disciplined Disciple Compiler build framework. (compilers-interpreters, deprecated, library, mit)2016-09-, amosrobinson
ddc-code (deprecated)110.01Disciplined Disciple Compiler base libraries. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-core (deprecated)150.012Disciplined Disciple Compiler core language and type checker. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-core-babel (deprecated)60.01Disciplined Disciple Compiler PHP code generator. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-core-eval (deprecated)130.03Disciplined Disciple Compiler semantic evaluator for the core language. (compilers-interpreters, deprecated, library, mit)2014-10-310.4.1.3BenLippmeier
ddc-core-flow (deprecated)90.04Disciplined Disciple Compiler data flow compiler. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-core-llvm (deprecated)120.03Disciplined Disciple Compiler LLVM code generator. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-core-salt (deprecated)110.07Disciplined Disciple Compiler C code generator. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-core-simpl (deprecated)130.07Disciplined Disciple Compiler code transformations. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-core-tetra (deprecated)80.06Disciplined Disciple Compiler intermediate language. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-driver (deprecated)150.01Disciplined Disciple Compiler top-level driver. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-interface (deprecated)60.02Disciplined Disciple Compiler user interface support. (compilers-interpreters, deprecated, library, mit)2014-10-310.4.1.3BenLippmeier
ddc-source-tetra (deprecated)80.03Disciplined Disciple Compiler source language. (compilers-interpreters, deprecated, library, mit)2016-09-
ddc-tools (deprecated)130.01Disciplined Disciple Compiler command line tools. (compilers-interpreters, deprecated, mit, program)2016-09-
ddc-war (deprecated)60.01Disciplined Disciple Compiler test driver and buildbot. (compilers-interpreters, deprecated, mit, program)2014-10-310.4.1.3BenLippmeier
ddci-core (deprecated)70.01Disciple Core language interactive interpreter. (compilers-interpreters, deprecated, mit, program)2012-10-
dead-simple-json50.01Dead simple JSON parser, with some Template Haskell sugar. (json, library, mit)2013-03-260.1.2JulianFleischer
debug-time70.01Debug.Trace equivalent for timing computations (debug, library, mit)2016-01-
debug-trace-var110.01You do not have to write variable names twice in Debug.Trace (debug, library, mit)2018-06-090.2.0ncaq
deburr82.01Convert Unicode characters with burrs to their ASCII counterparts. (library, mit, text)2017-08-
declarative310.01DIY Markov Chains. (library, math, mit)2021-02-230.5.4JaredTobin
decode-utf880.01Decode a UTF-8 byte stream on standard input (mit, program, text)2015-05-131.2JoeHurd
deeplearning-hs90.01Deep Learning in Haskell (library, math, mit, program)2014-05-
deepseq-instances80.00Candidate NFData Instances for Types in base (control, library, mit)2020-05-
deferred-folds3350.014Abstractions over deferred folds (fold, folding, library, mit)2023-02-
dejafu1752.07A library for unit-testing concurrent programs. (concurrency, library, mit)2022-08-
delude (deprecated)70.01Generalized the Prelude more functionally. (deprecated, distribution, library, mit)2016-06-
dense-int-set100.01Dense int-set (data, library, mit)2018-10-080.3NikitaVolkov
depends (deprecated in favor of cabal-install)50.01A simple configuration management tool for Haskell (deprecated, distribution, mit, program)2013-09-280.0.1SimonHengel
deque1842.08Double-ended queues (library, mit, unclassified)2021-09-070.4.4NikitaVolkov
derive-monoid70.01derive Semigroup/Monoid/IsList (derive-monoid, derive-monoid-, library, mit, program)2017-05-010.0.1sboo
derive-storable622.08Derive Storable instances with GHC.Generics. (foreign, library, mit)2022-04-
derive-storable-plugin600.06GHC core plugin supporting the derive-storable package. (foreign, library, mit)2023-05-
deriving-openapi330.00DerivingVia for OpenAPI 3 (generics, json, library, mit, openapi)2022-12-
derulo350.00Parse and render JSON simply. (json, library, mit, program)2022-08-
desktop-portal460.00Desktop Portal. (desktop, flatpak, gui, library, mit, portal, xdg)2023-05-
deterministic-game-engine152.01Simple deterministic game engine (game-engine, library, mit)2015-08-020.4.0tgolson
deunicode50.01Get rid of unicode (utf-8) symbols in Haskell sources (codec, mit, program)2010-10-150.1BenFranksen
devil60.01A small tool to make it easier to update program managed by Angel. (mit, program, system)2014-06-
dfrac110.01A package for precise decimal arithmatic using rationals. (library, math, mit)2014-08-
dgim80.01Implementation of DGIM algorithm (algorithms, data, library, mit)2015-04-040.0.3musically_ut
dhall-lsp-server790.00Language Server Protocol (LSP) server for Dhall (library, mit, program, unclassified)2023-04-191.1.3GabrielGonzalez, sjakobi
dhall-text-shell60.00Render dhall text with shell commands as function arguments (compiler, library, mit, program)2022-05-
dhall-to-cabal280.00Compile Dhall expressions to Cabal files (distribution, library, mit, program)2019-07-
dhrun40.00Dhall/YAML configurable concurrent integration test executor. (library, mit, program, tools)2019-07-251.0.1fre
di-polysemy350.04DI logger wrapped for Polysemy (library, logging, mit)2020-09-
diagrams-rubiks-cube180.01Library for drawing the Rubik's Cube. (graphics, library, mit)2017-12-
dib160.01A simple, forward build system. (development, library, mit, program)2018-01-100.7.2blajzer
diff-loc70.00Map file locations across diffs (data, library, mit)2022-12-
difference-monoid40.01 (library, mit, unclassified)2018-05-
digestive-bootstrap80.01Speed up form designing using digestive functors and bootstrap (library, mit, web)2016-11-300.3.0.0AlexanderThiemann
digestive-foundation-lucid40.01Speed up form designing using digestive functors and foundation (library, mit, web)2015-02-
digitalocean-kzs100.01digitalocean api for haskell (library, mit, web)2015-06-
dingo-core210.02Dingo is a Rich Internet Application platform based on the Warp web server. (library, mit, web)2012-02-060.2.0BardurArantsson
dingo-example90.01Dingo Example (mit, program, web)2012-02-060.2.0BardurArantsson
dingo-widgets160.01Dingo Widgets (library, mit, web)2012-02-060.2.0BardurArantsson
dirforest30.01Typed directory forest (library, mit, unclassified)2023-02-
dirtree120.00A small library for working with directories. (library, mit, system)2020-04-280.1.3kalhauge
discogs-haskell40.01Client for Discogs REST API (library, mit, web)2016-04-
discord-gateway50.01An API wrapper for Discord in Haskell (library, mit, network)2017-06-170.2.2jkoike
discord-haskell1862.52Write bots for Discord in Haskell (library, mit, network, program)2023-05-161.15.4Aquarial, yutotakano, annwan, BenjaminMcRae
discord-haskell-voice152.00Voice support for discord-haskell. (discord, library, mit, network, program, udp)2022-07-032.3.1yutotakano
discord-hs141.51An API wrapper for Discord in Haskell (library, mit, network)2017-06-170.4.2jkoike
discord-rest40.01An 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
discount100.01Haskell bindings to the discount Markdown library. (library, mit, text)2012-10-120.1.1PatrickHurst
disjoint-set-stateful80.01Monadic disjoint set (data, library, mit)2017-04-
diskhash242.01Disk-based hash table (data, library, mit)2019-11-
distance40.01Useful distance datatype and functions (library, mit, web)2017-01-
distance-of-time90.01Generate readable distances between times. (library, mit, time)2017-02-
djembe100.01Hit drums with haskell (library, mit, sound)2016-01-
dobutok (deprecated in favor of dobutokO)60.00Creates the time intervals for CLI changing messages on the screen. (cli, deprecated, library, mit)2020-02-
dobutokO200.00The library is intended to print updated messages on the terminal screen. (cli, library, mit)2020-05-
dobutokO-effects380.00A library to deal with SoX effects and possibilities (library, mit, music, sound, sox)2022-08-
dobutokO-frequency100.01Helps to create experimental music. Working with frequencies and types. (library, mit, sound, sox)2022-08-
dobutokO-poetry520.00Helps 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-
dobutokO-poetry-general40.02Helps 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-
dobutokO-poetry-general-languages70.00Helps to order the 7 or less words to obtain somewhat suitable for poetry or music text (game, language, library, mit, uniqueness, uniquenessPeriods)2020-08-
dobutokO21660.02Helps 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)2020-08-
dobutokO3100.00Helps to create more complex experimental music from a file (especially timbre). (library, mit, music, rhythm, sound, sox, timbre)2020-08-
dobutokO4220.00Helps to create experimental music. Uses SoX inside. (algorithmic-composition, library, mit, sound, sox)2020-08-
dockercook200.01A build tool for multiple docker image layers (development, library, mit, program)2016-09-
dockerfile150.01A Haskell DSL for generating Dockerfiles (data, library, mit)2018-09-140.2.0ChristopherReichert
docopt582.256A command-line interface parser that will make you smile (console, library, mit)2021-09-, fullstackgjj
docrecords40.01Vinyl-based records with hierarchical field names, default values and documentation (cli, data, json, library, mit, options, parsing, records)2019-10-
docstrings70.01Docstrings for documentation in the repl (documentation, library, mit)2017-11-
doctest4412.7514Test interactive Haskell examples (library, mit, program, testing)2023-03-160.21.1AndreasAbel, KazuYamamoto, SimonHengel, SoenkeHahn, jkarni, ryanglscott, quasicomputational
doctest-lib340.01Parts of doctest exposed as library (library, mit, testing)2020-09-220.1HenningThielemann
doctest-parallel1120.00Test interactive Haskell examples (library, mit, testing)2023-03-, martijnbastiaan
doctest-prop (deprecated in favor of doctest)61.751Allow QuickCheck-style property testing within doctest. (deprecated, library, mit, testing)2015-05-
docvim280.00Documentation generator for Vim plug-ins (development, library, mit, program)2016-06-
doi70.01Automatic Bibtex and fulltext of scientific articles (database, library, mit, program)2017-01-220.0.2johannesgerer
dom-parser170.01Simple monadic DOM parser (library, mit, xml)2018-03-203.1.0AlekseyUymanov, typeable
domain190.01Codegen helping you define domain models (library, mit, unclassified)2022-11-
domain-aeson170.00Integration of domain with aeson (library, mit, unclassified)2023-04-
domain-cereal70.00Integration of domain with cereal (library, mit, unclassified)2022-02-160.1NikitaVolkov
domain-core160.04Low-level API of "domain" (library, mit, unclassified)2022-11-
domain-optics110.01Integration of domain with optics (library, mit, unclassified)2022-03-
dotenv1730.05Loads environment variables from dotenv files (configuration, library, mit, program)2023-04-, jpvillaisaza, stackbuilders, sestrella, mrkkrp, juanpaucar, camm, dbalseiro
doublezip40.01Some special functions to work with lists (with zip). (data, library, mit)2021-02-
doublify-toolkit50.01Doublify API toolkit for Haskell (api, library, mit)2017-04-030.0.1fdhadzh
downhill92.00Reverse mode automatic differentiation (library, math, mit)2023-03-
dozens80.01dozens api library (library, mit, web)2015-06-120.1.1HirotomoMoriwaki
dpor (deprecated in favor of dejafu)70.02A generic implementation of dynamic partial-order reduction (DPOR) for testing arbitrary models of concurrency. (deprecated, library, mit, testing)2016-06-
dresdner-verkehrsbetriebe90.01Library and program for querying DVB (Dresdner Verkehrsbetriebe AG) (library, mit, network, program)2016-11-301.0.0meoblast001
drifter270.03Simple schema management for arbitrary databases. (database, library, mit)2021-01-260.3.0MichaelXavier, andrewrademacher
drifter-postgresql150.01PostgreSQL support for the drifter schema migration tool (database, library, mit)2017-12-250.2.1MichaelXavier
driving-classes-plugin120.00Deriving without spelling out "deriving" (development, library, mit)2022-09-
drone70.00 (library, mit, unclassified)2020-03-281.1.0matsubara0507
dropbox140.00Dropbox API client (api, library, mit, program)2020-10-230.0.4Jappie
dropbox-sdk140.01A library to access the Dropbox HTTP API. (library, mit, network-apis)2012-07-300.3.1KannanGoundan
ds-kanren60.01A subset of the miniKanren language (language, library, mit)2014-10-
dsc120.01Helper functions for setting up Double Submit Cookie defense for forms (library, mit, web)2017-03-210.2.0qoelet
dson-parsec100.01DSON parser. (data, library, mit)2014-06-
dsv120.00DSV (delimiter-separated values) (csv, library, mit, pipes, text)2022-03-, Monoid_Mary
dtw150.01(Fast) Dynamic Time Warping (algorithms, data-mining, library, machine-learning, mit)2016-07-
dual-game72.01Network multiplayer 2D shooting game (game, mit, program)2018-03-300.1.0.1fgaz
dump402.01Dumps the names and values of expressions to ease debugging. (development, library, mit, quasiquotes)2015-07-240.2.8Wizek
duplo (deprecated)160.01Frontend development build tool (deprecated, library, mit, program, web)2015-02-241.8.1kenhkan
dvault40.00Dead simple password manager (mit, program, unclassified)2019-05-
dywapitchtrack60.01Bindings to the dywapitchtrack pitch tracking library (library, mit, sound)2015-10-
earclipper52.01Ear Clipping Triangulation (graphics, library, mit, program)2017-02-
easy-api60.01Utility code for building HTTP API bindings more quickly. (library, mit, web)2013-11-
easyjson70.01Haskell JSON library with an emphasis on simplicity, minimal dependencies, and ease of use. (library, mit, text)2014-08-
easyplot220.02A tiny plotting library, utilizes gnuplot for plotting. (graphics, library, math, mit, plotting)2013-03-261.0JulianFleischer
easytest140.02Simple, expressive testing library (library, mit, testing)2019-03-060.3joelb
ebnf-bff90.00Parser combinators & EBNF, BFFs! (ebnf, library, metalanguage, mit, parsing, program, text)2015-09-
ecta-plugin82.00Hole-Fit Synthesis using ECTAs (compiler-plugin, library, mit)2022-09-
ed255191570.04Ed25519 cryptographic signatures (cryptography, mit)2015-10-, HerbertValerioRiedel
edges420.01Tools for efficient immutable graphs (graphs, library, mit)2018-08-310.11.0.3NikitaVolkov
edis50.01Statically typechecked client for Redis (database, library, mit)2015-12-
edits50.00show the differences between 2 pieces of Text using the Levenshtein distance (data, library, mit)2022-09-
effect-handlers220.01A library for writing extensible algebraic effects and handlers. Similar to extensible-effects but with deep handlers. (control, library, mit)2016-04-, blambda
egison3912.02Programming language with non-linear pattern-matching against non-free data (compilers-interpreters, library, mit, program)2021-12-184.1.3SatoshiEgi, momohatt
egison-quote80.01A quasi quotes for using Egison expression in Haskell code (language, library, mit)2012-09-070.2TakuyaKuwahara
egison-tutorial780.01A tutorial program for the Egison programming language (compilers-interpreters, mit, program)2021-12-184.1.3SatoshiEgi, momohatt
ehlo40.00Minimalistic SMTP client for Haskell (library, mit, network)2022-07-
ehs80.01Embedded haskell template using quasiquotes. (language, library, mit, template, text)2015-03-150.7.0minpou
ejdb2-binding140.00Binding to EJDB2 C library, an embedded JSON noSQL database (database, library, mit)2021-04-
ekg-prometheus-adapter140.02Easily expose your EKG metrics to Prometheus (library, mit, web)2018-11-, MikolajKonarski
elliptic-curve140.05Elliptic curve library (cryptography, library, mit)2019-09-270.3.0sdiehl
elm-export-persistent150.01elm-export persistent entities (data, database, library, mit, web)2021-01-091.0.0WilliamCasarin
elm-init352.01Set up basic structure for an elm project (development, mit, program)2016-09-101.0.5justus
elsa290.00A tiny language for understanding the lambda-calculus (language, library, mit, program)2022-09-
enclosed-exceptions1022.023Catching all exceptions from within an enclosed computation (control, library, mit)2018-07-111.0.3MichaelSnoyman, jcristovao
encode-string60.01Safe string conversion and encoding (data, library, mit, string, text)2017-03-
engine-io-growler60.01 (library, mit, web)2015-04-
entangle60.00An application (and library) to convert quipper circuits into Qpmc models. (library, mit, program, unclassified)2017-01-060.1.1miniBill
enumerate160.01enumerate all the values in a finite type (automatically) (data, library, mit, program)2017-05-020.2.2sboo
enumerator (deprecated)470.098Reliable, high-performance processing with left-fold enumerators (data, deprecated, enumerator, library, mit)2013-10-130.4.20JohnMillikin
enumerator-fd100.01Enumerator instances for monads-fd classes (enumerator, library, mit)2011-11-
enumerator-tf70.01Enumerator instances for monads-tf classes (enumerator, library, mit)2011-12-300.1.1JohnMillikin
env-extra42.00Safe helpers for accessing and modifying environment variables (library, mit, system)2020-01-
env-guard240.00Conditionally running IO actions based on environment variables. (environment, library, mit, system)2022-07-010.2tbidne
env-parser110.01Pull configuration information from the ENV (library, mit, system)2014-01-
envstatus110.00Display efficiently the state of the local environment (development, library, mit, program)2018-10-281.0.2gbataille
epi-sim100.00A library for simulating epidemics as birth-death processes. (library, mit, simulation)2021-07-190.7.0AlexanderZarebski
errata130.01Source code error pretty printing (library, mit, pretty-printer, program)2022-02-
error292.00The canonical error type (data, error-handling, library, mit)2022-10-
error-list90.02A useful type for collecting error messages. (control, library, mit)2015-06-
error-loc50.01An error replacement with call-site metadata. (library, mit, utils)2013-10-
error-util80.02Set of utils and operators for error handling (error-handling, library, mit)2017-08-, PiotrMlodawski, iamrecursion
errorcall-eq-instance (deprecated in favor of base-orphans)170.02An orphan Eq instance for ErrorCall (control, deprecated, library, mit)2015-04-220.3.0SimonHengel
escaped60.00Produce Text with terminal escape sequences (library, mit, program, text)2018-11-
escoger40.00Terminal fuzzy selector (library, mit, program, tools)2018-03-
ess50.01The type-level S combinator in Haskell. (data, library, mit)2015-04-
etc300.02Declarative configuration spec for Haskell projects (configuration, library, mit, system)2018-08-
eternity120.01Native event-sourcing database (database, eventsourcing, library, mit, streaming)2018-08-200.1.3NikitaVolkov, effectfully, vlastachu, OShev
eternity-timestamped290.01Automatic timestamping for Eternity (database, eternity, event-sourcing, library, mit, streaming)2018-08-200.4.1NikitaVolkov, effectfully, vlastachu, OShev
eths-rlp60.01Ethereum Recursive Length Prefix Encoding (contracts, data, ethereum, finance, library, mit, network)2016-12-
euler290.01Mathematics utilities for Haskell (library, math, mit)2020-05-250.10.1decomputed, luisonthekeyboard
eveff120.00Efficient effect handlers based on evidence translation. (control, effect, library, mit)2021-07-
eventful-core162.06Core module for eventful (database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventful-dynamodb160.01Library for eventful DynamoDB event stores (aws, database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventful-memory172.01In-memory implementations for eventful (database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventful-postgresql162.01Postgres implementations for eventful (database, eventsourcing, library, mit, postgresql)2017-07-310.2.0jdreaver
eventful-sql-common162.02Common library for SQL event stores (database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventful-sqlite140.01SQLite implementations for eventful (database, eventsourcing, library, mit, sqlite)2017-07-310.2.0jdreaver
eventful-test-helpers150.01Common module used for eventful tests (database, eventsourcing, library, mit)2017-07-310.2.0jdreaver
eventsourced80.00Server-Sent Events the UNIX way (library, mit, network, program)2016-05-
evm-opcodes112.00Opcode types for Ethereum Virtual Machine (EVM) (ethereum, finance, library, mit, network)2022-09-130.1.2sshine
evoke120.00A GHC plugin to derive instances. (library, mit, plugin)2023-01-260.2023.1.26fozworth
exact-pi900.04Exact rational multiples of pi (and integer powers of pi) (data, library, mit)2022-04-, Bodigrim
exact-real502.252Exact real arithmetic (library, math, mit)2021-12-, expipiplus1
execs40.00Tool to run stack exec prj-exe more easy (library, mit, program, utils)2016-08-
executable-hash220.01Provides the SHA1 hash of the program executable (library, mit, program, system)2017-01-, MichaelSnoyman
executor130.01Shell helpers (distribution, library, mit)2017-08-270.0.4gianlucaguarini
exiftool130.00Haskell bindings to ExifTool (foreign, library, mit)2023-03-
existential80.01Existential types with lens-like accessors. (data, library, mit)2016-10-, bandali
exotic-list-monads60.00Non-standard monads on lists and non-empty lists (library, list, mit, monads)2020-10-041.0.1maciejpirog
exp-cache90.00 (library, mit, program, unclassified)2018-10-
expat-enumerator (deprecated)80.01Enumerator-based API for Expat (deprecated, enumerator, library, mit, parsing, text, xml)2010-12-
expiring-containers180.01Expiring containers (containers, library, mit, time)2018-11-, effectfully, vlastachu, OShev
explain60.01Show how expressions are parsed (language, mit, program)2014-01-
extensible-effects1242.2512An Alternative to Monad Transformers (control, effect, library, mit)2019-01-, SvenHeyll, shergill, sickmind
extensible-sp72.01light-weight, extensible sums and products over types and kinds (data, library, mit)2017-04-
extensioneer40.00Inspect extensions in cabal and hpack files (cli, mit, program)2022-04-
extract-dependencies100.01Given a hackage package outputs the list of its dependencies. (development, library, mit, program)2016-05-310.2.0.1yamadapc
ez-couch (deprecated)160.01A high level static library for working with CouchDB (couchdb, database, deprecated, library, mit)2014-04-170.7.0NikitaVolkov
f-algebra-gen90.00Generate a special f-algebra combinator from any data type. (data, library, mit)2019-07-
factor180.00Factoring integers and polynomials (library, mit, number-theory, program)2022-06-151.6JoeHurd
fakedata-quickcheck130.00Fake a -> Gen a (fake, fakedata, library, mit, random)2021-06-220.2.0psibi, Jappie
faker90.01Pure Haskell library for generating fake data (library, mit, testing)2015-01-
faktory500.00Faktory Worker for Haskell (library, mit, network, program)2022-10-, dukerutledge, mjgpy3, FreckleEngineering
fast-nats70.01Natural Numbers with no overhead (data, library, mit)2016-12-
fastbayes70.01Bayesian modeling algorithms accelerated for particular model structures (library, mit, statistics)2014-08-
fastedit40.01find nearest neighbours by edit-distance (library, mit, text)2015-02-
fay-text230.06Fay Text type represented as JavaScript strings (data, fay, library, mit, text)2015-02-
fcd50.01A faster way to navigate directories using the command line. (library, mit, program, utility)2014-10-
fcf-base40.00Family-of-families instances for base (library, mit, other)2023-01-
fcf-composite60.00Type-level computation for composite using first-class-families. (composite, library, mit, types)2021-08-
fcf-family120.02Family of families: featherweight defunctionalization (library, mit, other)2023-01-
fcf-graphs50.01Type-level version of algebraic-graphs. (algebra, graphs, library, mit, types)2021-09-
feature-flags120.01A simple library for dynamically enabling and disabling functionality. (control, library, mit)2015-04-
feature-flipper100.01A minimally obtrusive feature flag library (library, mit, web)2017-08-
feature-flipper-postgres80.01A minimally obtrusive feature flag library (library, mit, web)2017-08-
feed-crawl120.01Utility for fetching feeds with redirect info and HTML link detection (library, mit, text)2015-03-
fen2s90.01Converting a chess position from FEN notation to text (game, library, mit, program)2015-05-131.2JoeHurd
festung70.00Remote multi-db SQLCipher server (concurrency, library, mit, program)2018-06-
ficketed50.01update statically hosted file in a push stule through socketed (mit, program, web)2017-04-
file-command-qq140.01Quasiquoter for system commands involving filepaths (library, mit, system)2015-02-
file-modules220.01Takes a Haskell source-code file and outputs its modules. (development, library, mit, program)2016-08-
file-path-th90.00Template Haskell utilities for filepaths. (library, mit, system)2020-04-
filesystem-conduit (deprecated in favor of conduit-combinators)170.04Use system-filepath data types with conduits. (deprecated) (conduit, data, deprecated, library, mit)2014-03-
filesystem-enumerator (deprecated)100.01Enumerator-based API for manipulating the filesystem. (deprecated, enumerator, library, mit, system)2012-04-090.1.1JohnMillikin
filter-logger170.00Filterable request logging wai middleware. Change how data is logged and when. (library, mit, program, web)2017-07-
filters-basic80.01Allows to change the structure of the function output. (RealFrac, data, filters, library, mit)2023-01-310.2.0.0OleksandrZhabenko
final-pretty-printer60.01Extensible pretty printing with semantic annotations and proportional fonts (library, mit, text)2017-05-, dchristiansen
find-conduit (deprecated in favor of pipes-files, conduit-find)140.01A file-finding conduit that allows user control over traversals. (deprecated, library, mit, program, system)2015-07-110.4.4JohnWiegley
find-source-files40.01Initial project template from stack (library, mit, test)2016-12-
finite80.00Finite ranges via types (library, mit, types)2021-01-
first-class-families710.024First-class type families (library, mit, other)2021-03-
fixed-point (deprecated)130.03Binary fixed-point arithmetic (data, deprecated, game, library, math, mit, numerical)2011-08-
fixed-point-vector (deprecated)80.01Unbox instances for the fixed-point package (data, deprecated, game, library, math, mit, numerical)2011-08-
fixed-point-vector-space (deprecated)60.01vector-space instances for the fixed-point package (data, deprecated, game, library, math, mit, numerical)2011-08-
fixed-timestep90.00Pure Haskell library to repeat an action at a specific frequency. (library, mit, time)2019-03-
fixedwidth-hs170.01Quick parsing of fixed-width data formats. (library, mit, program, text)2015-05-
flag50.01A simple flag type. (data, library, mit)2023-04-
flag-dhall-instance70.00FromDhall and ToDhall instances for flag. (data, dhall, library, mit)2023-04-
flamethrower290.01A template engine for HTML (html, library, mit, text, web)2014-12-
flashblast140.00Generate language learning flashcards from video. (library, mit, program, unclassified)2020-11-
flat-mcmc310.01Painless general-purpose sampling. (library, math, mit)2020-10-111.5.2JaredTobin
flatparse680.06High-performance parsing from strict bytestrings (library, mit, parsing)2023-04-
flexible-numeric-parsers40.00Flexible numeric parsers for real-world programming languages. (library, mit, parsing)2021-08-
flexible-time120.01simple extension of Data.UnixTime. (data, library, mit)2015-02-
flip-cmd50.01e.g. `flip systemctl foo.service start` does `systemctl start foo.service` (mit, program, simple)2018-02-
flow802.510Write more understandable Haskell. (combinators, functions, library, mit, utility)2023-03-
flow-er110.01More directional operators (combinators, functions, library, mit, utility)2016-06-131.0.3expede
flowdock110.01Flowdock client library for Haskell (library, mit, web)2015-06-
flowdock-api40.01API integration with Flowdock. (library, mit, network, program)2013-11-
flp40.00A layout spec language for memory managers implemented in Rust. (compiler, library, mit, program)2020-01-
fltkhs1672.03FLTK bindings (graphics, gui, library, mit, program, ui, user-interfaces)2020-02-
fltkhs-demos (deprecated)80.01FLTKHS demos. Please scroll to the bottom for more information. (deprecated, graphics, mit, program, ui)2016-02-
fltkhs-fluid-demos (deprecated)60.01Fltkhs Fluid Demos (deprecated, graphics, mit, program, ui)2016-02-
fltkhs-fluid-examples (deprecated in favor of fltkhs-fluid-demos)70.01Fltkhs Fluid Examples (deprecated, graphics, mit, program, ui)2016-01-
fltkhs-hello-world50.01Fltkhs template project (graphics, mit, program, ui)2016-01-
fluidsynth90.01Haskell bindings to FluidSynth (library, mit, sound)2013-01-
focus2282.017A general abstraction for manipulating elements of container data structures (containers, data, library, mit)2023-03-
foldable-ix110.07Functions to find out the indices of the elements in the Foldable structures (data, library, mit)2023-01-
foldl-exceptions82.00Exception handling with FoldM (control, library, mit)2023-01-, Monoid_Mary
foldl-incremental152.01incremental folds (control, library, mit, statistics)2015-02-
folds-common90.01A playground of common folds for folds (data, library, mit)2014-12-300.2.0.0jozefg
foma100.01Simple Haskell bindings for Foma. (language, library, mit)2021-01-
fontconfig-pure70.01Pure-functional language bindings to FontConfig (library, mit, program, text)2023-03-
formal50.01A statically typed, functional programming language (compiler, mit, program)2012-11-120.1.0AndrewStein
format40.01Rendering from and scanning to format strings (library, mit, text)2012-05-
format-numbers140.02Various number formatting functions (library, mit, web)2020-02-
format-status110.01A utility for writing the date to dzen2. (mit, program, unclassified)2014-06-
forml130.01A statically typed, functional programming language (compiler, mit, program)2013-01-140.2AndrewStein
formura50.00Formura is a simple language to describe stencil computation. (language, library, mit, program)2015-12-041.0TakayukiMuranushi
fortytwo280.01Interactive terminal prompt (library, mit, prompt)2021-12-061.0.6gianlucaguarini
fpe60.00Format-preserving encryption. (cryptography, library, mit)2019-02-030.1.1galen
fractionizer480.00Allows to approximate the fractional numbers in the range [0.005, 1] with sum of 2 or 3 unit fractions of special types. (language, library, math, mit, music, sound)2023-05-
freckle-app1130.00Haskell application toolkit used at Freckle (library, mit, utils)2023-05-, dukerutledge, mjgpy3, FreckleEngineering
freddy90.01RabbitMQ Messaging API supporting request-response (library, mit, network)2016-10-
free-concurrent70.01Free monads suitable for concurrent computation (concurrency, library, mit)2015-11-
free-http200.01An HTTP Client based on Free Monads. (library, mit, network)2015-12-300.2.0aaronlevin
freer-simple-catching50.01Checked runtime exceptions with freer-simple (control, library, mit)2018-11-
freer-simple-http60.01Make HTTP requests with freer-simple! (control, http, library, mit, web)2018-11-
freer-simple-profiling40.01Automatic profling of freer-simple programs (benchmarking, control, library, mit, profiling)2018-11-
freer-simple-random60.01Random number generators using freer-simple (control, library, mit, random)2018-11-
freer-simple-time50.01freer-simple interface to IO based time functions (control, library, mit, time)2018-11-
freq180.00Are you ready to get freaky? (data, library, mit, text)2019-04-290.1.1chessai
fresh90.01Introduce fresh variables into Haskell source code (language, library, mit)2012-01-030.1.1DavidLazar
fromhtml270.00Simple adapter for transformation of HTML to other formats (library, mit, program, text)2020-01-141.0.4MarekSuchanek
frontmatter340.04Parses frontmatter as used in Jekyll markdown files. (data, library, mit)2015-12-
fsh-csv80.01csv parser for fsh (distribution, library, mit)2017-04-
fsnotify-conduit100.01Get filesystem notifications as a stream of events (conduit, data, library, mit)2018-06-
fsutils80.01File system utilities for Haskell that are missing from built in libraries. (library, mit, system)2012-11-060.1.2AnthonyGrimes
funcons-intgen40.00Generate Funcons interpreters from CBS description files (compilers, mit, program)2018-11-
funcons-simple90.01A modular interpreter for executing SIMPLE funcons (compilers-interpreters, mit, program)2018-12-
funcons-tools290.00A modular interpreter for executing funcons (compilers-interpreters, library, mit, program)2023-04-
funcons-values180.01Library providing values and operations on values in a fixed universe. (compilers-interpreters, library, mit)2021-06-
functor-infix152.05Infix operators for mapping over compositions of functors. Lots of them. (data, library, mit)2017-04-230.0.5vi
funflow282.02Workflows with arrows (control, library, mit, program)2020-03-091.6.0nclarke
funnyprint130.01funnyPrint function to colorize GHCi output. (library, mit, text)2016-06-060.0.5netsu
futures60.01Simple and fast implementation of Future (concurrency, futures, library, mit)2018-08-140.1NikitaVolkov
fuzzy1100.05Filters a list based on a fuzzy string search. (library, mit, text)2021-09-
fuzzy-parse70.00Tools for processing unstructured text data (library, mit, parsing, text)2020-07-
fuzzy-time160.03 (library, mit, time)2022-09-
fuzzy-time-gen90.01 (library, mit, time)2022-09-
fuzzy-timings50.01Translates 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
fuzzyfind270.00Fuzzy text matching (library, mit, program, text)2023-05-203.0.1runar
fx130.01Horizontally composable effects (library, mit, unclassified)2018-01-280.10.1NikitaVolkov
g-npm100.01Generate Gentoo ebuilds from NodeJS/npm packages. (mit, program, tools)2013-08-010.1.0JesusRivero
g4ip40.01A theorem prover for propositional logic that uses G4ip (library, logic, mit)2017-03-
g4ip-prover80.01Theorem prover for intuitionistic propositional logic using G4ip (library, logic, mit, program)2018-12-
galois-fft60.01FFTs over finite fields (cryptography, library, mit)2019-11-270.1.0sdiehl
galois-field230.07Galois field library (cryptography, library, mit)2020-04-131.0.2sdiehl
game-of-life160.01Conway's Game of Life (mit, program, unclassified)2016-10-
gdax90.00API Wrapping for Coinbase's GDAX exchange. (library, mit, program, web)2017-10-
gelatin160.04A graphics description language. (graphics, library, mit, program)2017-11-
gelatin-gl60.02OpenGL rendering routines for the gelatin-picture graphics EDSL. (graphics, library, mit, program)2017-10-
gelatin-sdl280.00An SDL2 backend for the gelatin renderer. (graphics, library, mit, program)2017-10-300.1.1.0SchellScivally
genders70.01Bindings to libgenders. (database, library, mit)2015-07-
general-games270.01Library supporting simulation of a number of games (game, library, mit, poker)2018-02-111.1.1cgorski
generic-arbitrary1142.06Generic implementation for QuickCheck's Arbitrary (generic, library, mit)2022-08-241.0.1AlekseyUymanov, typeable, iko
generic-church162.01Automatically convert Generic instances to and from church representations (generics, library, mit)2014-09-
generic-data3612.014Deriving instances with GHC.Generics and related utilities (generics, library, mit)2023-03-
generic-data-surgery160.01Surgery for generic data types (library, mit, other)2020-06-
generic-enum80.01An Enum class that fixes some deficiences with Prelude's Enum (library, mit, unclassified)2017-03-
generic-enumeration112.00Generically derived enumerations. (library, mit, unclassified)2021-07-
generic-env70.00Generic Environment Generator (development, library, mit)2019-04-300.1.1.0yigitozkavci
generic-functor180.00Deriving generalized functors with GHC.Generics (generics, library, mit)2022-10-
generic-lucid-scaffold (deprecated in favor of webpage)40.01General-purpose web page scaffold for Lucid. (deprecated, library, mit, unclassified)2014-12-090.0.1athanclark
generic-match150.00First class pattern matching (data, library, mit)2021-08-
generic-pretty60.01Pretty printing for Generic value (library, mit, text)2015-04-050.1.0HideyukiTanaka
generic-random2122.258Generic random generators for QuickCheck (generics, library, mit, testing)2021-11-
generics-mrsop102.03Generic Programming with Mutually Recursive Sums of Products. (generics, library, mit)2019-10-142.3.0vcmiraldo
genvalidity2020.041Testing utilities for the validity library (library, mit, testing)2022-08-301.1.0.0Norfair
genvalidity-aeson140.01GenValidity support for aeson (library, mit, testing)2022-04-
genvalidity-appendful80.00 (library, mit, unclassified)2022-11-
genvalidity-bytestring190.02GenValidity support for ByteString (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-case-insensitive80.00GenValidity support for case-insensitive (library, mit, testing)2022-08-300.0.0.1Norfair
genvalidity-containers290.07GenValidity support for containers (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-criterion130.00Criterion benchmarks for generators (library, mit, validity)2022-08-301.1.0.0Norfair
genvalidity-dirforest30.00Generators for typed directory forests (library, mit, unclassified)2023-02-
genvalidity-hspec510.08Standard spec's for GenValidity instances (library, mit, testing)2022-09-
genvalidity-hspec-aeson230.02Standard spec's for aeson-related instances (library, mit, testing)2021-11-
genvalidity-hspec-binary140.01Standard spec's for binary-related Instances (library, mit, testing)2021-11-
genvalidity-hspec-cereal190.01Standard spec's for cereal-related instances (library, mit, testing)2021-11-
genvalidity-hspec-hashable130.01Standard spec's for Hashable instances (library, mit, testing)2021-11-
genvalidity-hspec-optics120.01Standard spec's for lens (library, mit, testing)2021-11-
genvalidity-hspec-persistent70.00Standard spec's for persistent-related instances (library, mit, testing)2021-11-
genvalidity-mergeful110.00 (library, mit, unclassified)2021-11-
genvalidity-mergeless80.01 (library, mit, unclassified)2021-11-
genvalidity-network-uri30.00GenValidity support for URI (library, mit, testing)2022-07-
genvalidity-path210.02GenValidity support for Path (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-persistent90.00GenValidity support for Persistent (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-property280.03Standard properties for functions on `Validity` types (library, mit, testing)2021-11-
genvalidity-scientific220.01GenValidity support for Scientific (library, mit, testing)2021-11-
genvalidity-sydtest80.04Standard properties for functions on `Validity` types for the sydtest framework (library, mit, testing)2021-11-
genvalidity-sydtest-aeson80.00Standard spec's for aeson-related instances in sydtest (library, mit, testing)2021-11-
genvalidity-sydtest-hashable80.00Standard spec's for Hashable instances for sydtest (library, mit, testing)2021-11-
genvalidity-sydtest-lens80.00Standard spec's for lens for sydtest (library, mit, testing)2021-11-
genvalidity-sydtest-persistent60.00Standard spec's for persistent-related instances for sydtest (library, mit, testing)2021-11-
genvalidity-text220.04GenValidity support for Text (library, mit, testing)2022-03-
genvalidity-time200.06GenValidity 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-
genvalidity-unordered-containers190.01GenValidity support for unordered-containers (library, mit, testing)2021-11-
genvalidity-uuid160.02GenValidity support for UUID (library, mit, testing)2022-08-301.0.0.1Norfair
genvalidity-vector180.01GenValidity support for vector (library, mit, testing)2021-11-
geo-resolver30.01Performs geo location lookups and parses the results (library, mit, web)2015-10-
geos160.01Bindings for GEOS. (geometry, library, mit)2021-09-050.5.0petefrance
getflag30.01Command-line parser. (library, mit, parsing)2010-05-221.0TroelsHenriksen
ghc-core-smallstep30.01A small-step semantics for Core (language, library, mit)2018-04-
ghc-justdoit50.01A magic typeclass that just does it (language, library, mit)2022-08-
ghc-options40.01Utilities for extracting GHC options needed to compile a given Haskell target. (language, library, mit, program)2015-12-
ghc-parser320.02Haskell source parser from GHC. (language, library, mit)2022-09-, VaibhavSagar
ghc-prof-flamegraph240.01Generates flamegraphs from GHC .prof files. (mit, program, testing)2021-08-
ghc-proofs50.01GHC plugin to prove program equations by simplification (compiler-plugin, formal-methods, library, mit)2017-09-050.1.1JoachimBreitner
ghc-session70.00Simplified GHC API (language, library, mit, program)2016-02-, PiotrMlodawski, iamrecursion
ghc-simple140.01Simplified interface to the GHC API. (development, library, mit)2016-06-300.4AntonEkblad
ghci-lib30.02A library for interactively evaluating Haskell code. (language, library, mit)2014-02-
ghci-pretty80.02colored pretty-printing within ghci (development, library, mit)2014-11-130.0.2larsk, kindaro
ghcjs-ajax60.01Crossbrowser AJAX Bindings for GHCJS (library, mit, web)2016-07-
ghcjs-base92.047base library for GHCJS (mit, web)2022-04-, LuiteStegeman
ghcjs-codemirror80.02Installs CodeMirror JavaScript files (library, mit, web)2018-07-
ghcjs-dom662.2523DOM library that supports both GHCJS and GHC (library, mit, web)2021-12-
ghcjs-dom-hello120.01GHCJS DOM Hello World, an example package (library, mit, program, web)2017-06-
ghcjs-dom-jsaddle360.01DOM library that supports both GHCJS and GHC using jsaddle (library, mit, web)2021-12-
ghcjs-dom-jsffi300.02DOM library using JSFFI and GHCJS (mit, web)2021-12-
ghcjs-dom-webkit50.02DOM library that supports both GHCJS and WebKitGTK (library, mit, web)2016-06-
ghcjs-hplay120.01Client-side web EDSL for transient nodes running in the web browser (library, mit, web)2017-03-050.4.2AlbertoCorona, geraldus
ghcjs-perch102.02GHCJS version of Perch library. (library, mit, web)2018-12-
ghcjs-vdom40.01Virtual-dom bindings for GHCJS (library, mit, web)2017-01-
ghcjs-websockets (deprecated)100.01Deprecated: use ghcjs-base's native websockets (deprecated, library, mit, web)2015-08-
giak70.01Fuzzy finder for cabal executables (development, mit, program)2016-07-
gimlh60.02Haskell parser for GIML (language, library, mit)2015-04-
ginger1420.02An implementation of the Jinja2 template language in Haskell (library, mit, text)2021-11-
ginsu (deprecated)110.01Ginsu Gale Client (console, deprecated, mit, network, program)2016-08-
gipeda400.01Git Performance Dashboard (development, mit, program)2017-04-
gitdo50.01Create Github issues out of TODO comments in code (mit, program, unclassified)2015-02-
github-release770.00Upload files to GitHub releases. (library, mit, program, utility)2023-05-
github-webhook-handler190.01GitHub WebHook Handler (github, library, mit)2016-05-250.0.8wereHamster
github-webhook-handler-snap120.01GitHub WebHook Handler implementation for Snap (github, library, mit)2016-10-290.0.7wereHamster
github-webhooks192.251Aeson instances for GitHub Webhook payloads. (github, library, mit)2022-12-130.17.0KyleVanBerendonck, onrock_eng, cuedo_com_au
gitlib482.08API library for working with Git repositories (ffi, library, mit)2021-03-213.1.3JohnWiegley
gitlib-cmdline220.01Gitlib repository backend that uses the git command-line tool. (git, library, mit)2015-05-
gitlib-cross (deprecated)150.01Run tests between repositories (deprecated, ffi, library, mit)2014-06-193.1.0JohnWiegley
gitlib-libgit2300.03Libgit2 backend for gitlib (ffi, library, mit)2019-01-313.1.2.1JohnWiegley
gitlib-s3260.01Gitlib repository backend for storing Git objects in Amazon S3 (git, library, mit)2015-01-
gitlib-sample (deprecated)150.01Sample backend for gitlib showing the basic structure for any backend. (deprecated, ffi, library, mit)2014-06-193.1.0JohnWiegley
gitlib-test190.01Test library for confirming gitlib backend compliance (ffi, library, mit)2019-05-013.1.2JohnWiegley
gitlib-utils (deprecated in favor of gitlib)100.04Generic utility functions for working with Git repositories (deprecated, ffi, library, mit)2013-07-041.2.0JohnWiegley
gjk72.01Gilbert-Johnson-Keerthi (GJK) collision detection algorithm (graphics, library, mit)2020-03-
gl3w50.00Haskell bindings for the gl3w library. (graphics, library, mit)2021-04-100.1.0sighingnow
gloss2352.7535Painless 2D vector graphics, animations and simulations. (graphics, library, mit)2022-03-, ScottWalck, TrevorMcDonell, danielkroeni
gloss-algorithms280.01Data structures and algorithms for working with 2D graphics. (graphics, library, mit)2022-03-, ScottWalck, TrevorMcDonell, danielkroeni
gloss-examples1170.01Examples using the gloss library (graphics, mit, program)2022-03-, ScottWalck, TrevorMcDonell, danielkroeni
gloss-export150.00Export Gloss pictures to png, bmp, tga, tiff, gif and juicy-pixels-image (graphics, library, mit, program)2021-07-
gloss-raster870.01Parallel rendering of raster images. (graphics, library, mit)2020-07-, ScottWalck, TrevorMcDonell, danielkroeni
gloss-rendering1252.06Gloss picture data types and rendering functions. (graphics, library, mit)2022-03-, ScottWalck, TrevorMcDonell, danielkroeni
gltf-loader90.00High level GlTF loader (graphics, library, mit, program)2022-11-
gochan60.00Go-style channels (concurrency, library, mit, program)2017-03-210.0.2cstrahan
gooey70.01Graphical user interfaces that are renderable, change over time and eventually produce a value. (control, library, mit)2015-10-
google-cloud100.01Client for the Google Cloud APIs (google, library, mit)2016-05-280.0.4wereHamster
google-drive90.01Google Drive API access (library, mit, unclassified)2015-08-120.4.1PatrickBrisbin
google-oauth290.01Google OAuth2 token negotiation (library, mit, unclassified)2018-04-
google-server-api370.02Google APIs for server to server applications (library, mit, web)2022-09-
googlepolyline72.01Google Polyline Encoder/Decoder (data, library, mit, text)2016-04-
grab82.01Applicative non-linear consumption (control, library, mit)2022-06-, Monoid_Mary
grab-form142.00Applicative parsers for form parameter lists (library, mit, text)2022-06-, Monoid_Mary
graph-core130.03Fast, memory efficient and persistent graph implementation (data, library, mit)2016-02-, DavidLeuschner, StefanWehr
graph-trace60.00Trace the call graph of a program (debug, development, graph, library, mit, plugin, tooling)2023-03-
graph-trace-dot80.00Converts a graph-trace log into a DOT file for use with Graphviz (debug, development, graph, library, mit, plugin, program, tooling)2023-03-
graph-trace-viz70.00Converts a graph-trace log into an HTML document (debug, development, graph, mit, plugin, program, tooling)2023-03-
graphbuilder40.01A declarative, monadic graph construction language for small graphs (data, library, mit)2012-10-
graphene100.01A minimal Graph Theory library. (data, library, mit)2014-05-
graphula250.00A simple interface for generating persistent data and linking its dependencies (library, mit, network)2022-10-, dukerutledge, mjgpy3, FreckleEngineering
graphula-core (deprecated in favor of graphula)30.00A declarative library for describing dependencies between data (deprecated, library, mit, network)2020-11-, dukerutledge, mjgpy3, cdparks, cbeav, halogenandtoast
gravatar190.07Generate Gravatar image URLs (library, mit, unclassified)2022-03-310.8.1DonaldStewart, PatrickBrisbin
gridbounds42.01Collision detection for GridBox (graphics, library, mit)2017-02-
gridbox102.01A grid box model (graphics, library, mit)2017-02-
gridland70.01Grid-based multimedia engine (game, library, mit)2015-08-
gridtables2200.01Parser for reStructuredText-style grid tables. (library, mit, text)2022-09-300.1.0.0JohnMacFarlane, tarleb
gross60.00A spoof on gloss for terminal animation (graphics, library, mit, program)2017-01-
groupBy50.01Replacement definition of Data.List.GroupBy (data, library, mit)2018-01-300.1.0.0oisdk
grow-vector110.00Mutable vector with efficient appends (data, library, mit)2022-05-
growler130.02A revised version of the scotty library that attempts to be simpler and more performant. (library, mit, web)2015-02-210.6.0IanDuncan
gtk2hs-hello60.01Gtk2Hs Hello World, an example package (graphics, mit, program)2014-09-
guid71.251A simple wrapper around uuid (base, library, mit)2016-04-100.1.0tippenein
gvti340.00GraphViz Tabular Interface (graphics, library, mit, program)2023-05-
gyah-bin60.01A binary version of GiveYouAHead (giveyouahead, mit, program)2015-06-
gym-http-api51.50REST client to the gym-http-api project (learning-environments, library, mit, program, web)2018-06-
h-gpgme160.02High Level Binding for GnuPG Made Easy (gpgme) (cryptography, library, mit)2022-09-, daveparrish
h-reversi100.01Reversi game in haskell/blank-canvas (game, library, mit, program)2016-12-
h2048110.01An Implementation of Game 2048 (game, library, mit, program)2019-10-300.4.0.0javran
h2c30.01Bindings to Linux I2C with support for repeated-start transactions. (library, mit, system)2017-07-081.0.0eamsden
hCM50.00Conceptual modelling support for Haskell (data-structures, development, library, mit, model, program)2017-05-
hOpenPGP1050.01native Haskell implementation of OpenPGP (RFC4880) (codec, data, library, mit)2022-06-132.9.8ClintAdams
hablog110.00A blog system (library, mit, program, web)2021-01-270.8.0gilmi
hackage-diff72.01Compare the public API of different versions of a Hackage library (distribution, mit, program)2016-01-
hackage-mirror82.01Simple mirroring utility for Hackage (distribution, library, mit, program)2015-11-, dysinger
hackage-proxy (deprecated)90.01Provide a proxy for Hackage which modifies responses in some way. (deprecated) (deprecated, development, mit, program)2014-03-
hackernews230.01API for Hacker News (library, mit, program, web)2017-12-
hackertyper72.01"Hack" like a programmer in movies and games! (game, mit, program)2014-10-
hactor80.01Lightweight Erlang-style actors for Haskell. (concurrency, library, mit)2014-09-
hactors50.01Practical actors for Haskell. (concurrency, library, mit)2012-01-
haddock-cheatsheet50.00A documentation-only package exemplifying haddock markup features (documentation, library, mit)2019-05-
haggis100.01A static site generator with blogging/comments support (library, mit, program, web)2015-12-
hailgun310.02Mailgun REST api interface for Haskell. (library, mit, network)2020-02-270.5.1RobertMassaioli, codedmart, k_bx, MaxGabriel, cdepillabout, parsonsmatt
hailgun-send70.01A program to send emails throught the Mailgun api. (mit, network, program)2014-11-
hails150.01Multi-app web platform framework (library, mit, program, web)2015-04-, DavidMazieres, DeianStefan
hairy (deprecated)70.01A JSON REST API (deprecated, library, mit, program, web)2014-10-160.1.3taylorfausak, fozworth
hakismet30.01Akismet spam protection library (library, mit, web)2010-10-050.1NilsSchweinsberg
hakka60.00Minimal akka-inspired actor library (concurrency, library, mit, program)2017-06-130.2.0martinrign
hakyll-alectryon60.00Hakyll extension for rendering Coq code using Alectryon (library, mit, text, web)2022-09-
hakyll-contrib-hyphenation60.01automatic hyphenation for Hakyll (library, mit, web)2014-12-
hakyll-ogmarkup (deprecated)50.01Integrate ogmarkup document with Hakyll (deprecated, library, mit, web)2017-12-254.0lethom
hakyll-sass220.01Hakyll SASS compiler over hsass (library, mit, web)2018-12-130.2.4meoblast001
hakyll-series50.01Adds series functionality to hakyll (library, mit, web)2016-11-
hakyll-shakespeare70.01Hakyll Hamlet compiler (library, mit, web)2016-09-
halma110.01Library implementing Halma rules (game, library, mit)2021-05-
halma-gui50.01GTK application for playing Halma (game, mit, program)2019-01-
halma-telegram-bot60.01Telegram bot for playing Halma (game, mit, program)2017-04-
hamlet (deprecated in favor of shakespeare)1060.037Haml-like template files that are compile-time checked (deprecated) (deprecated, library, mit, web, yesod)2014-03-301.2.0FelipeLessa, GregWeber, MichaelSnoyman
handa-data40.01This package is deprecated. It formerly contained Haskell utilities for data structures and data manipulation. (data, library, mit)2016-08-
handa-gdata190.04Library and command-line utility for accessing Google services and APIs. (library, mit, network, program)2015-04-, RyanNewton
handa-geodata50.01Geographic and Geometric Data (data, geography, geometry, library, mit, program)2014-04-
handa-opengl110.01Utility functions for OpenGL and GLUT (graphics, library, mit)2016-04-
hangman100.01Hangman implementation in Haskell written in two hours. (game, mit, program)2013-04-281.0.3HokShunPoon
hanspell182.00Korean spell checker (korean, language, library, mit, program, spellchecker)2021-09-
haphviz150.01Graphviz code generation with Haskell (library, mit, text)2016-12-
hapistrano582.251A deployment library for Haskell applications (library, mit, program, system)2023-02-, stackbuilders, sestrella, mrkkrp, juanpaucar
happy-hour60.00Generate simple okay-looking bar plots without much effort (graphics, library, mit)2022-12-, Monoid_Mary
happybara40.02Acceptance test framework for web applications (development, library, mit)2014-04-140.0.1cstrahan
happybara-webkit60.01WebKit Happybara driver (development, library, mit)2014-04-140.0.1cstrahan
happybara-webkit-server60.01WebKit Server binary for Happybara (taken from capybara-webkit) (development, library, mit)2014-04-140.0.1cstrahan
haquil50.01A Haskell implementation of the Quil instruction set for quantum computing. (language, library, mit)2018-03-
harfbuzz-pure150.02Pure-functional Harfbuzz language bindings (library, mit, program, text)2023-03-311.0.3.2alcinnz
harvest-api40.01Bindings for Harvest API (library, mit, web)2016-05-200.1.0jsl, stackbuilders, mrkkrp
has-transformers100.00This library 'Has' transformers (effect, library, mit)2022-01-
hashes220.01Hash functions (data, library, mit)2022-11-220.2.3larsk
hashids210.01Hashids generates short, unique, non-sequential ids from numbers. (library, mit, web)2022-01-
hashing260.01A pure haskell library implements several hash algorithms. (cryptography, library, mit, program)2022-12-
hashmap-throw40.00Throw behaviour for hashmap lookup. (data-structures, library, mit)2020-08-
hashtables-plus (deprecated)70.01Extensions for a "hashtables" library (data, data-structures, deprecated, library, mit)2014-04-290.2.0NikitaVolkov
haskakafka110.01Kafka bindings for Haskell (library, mit, network, program)2016-12-041.2.0tdimson
haskbot-core70.01Easily-extensible chatbot for Slack messaging service (library, mit, network)2014-08-040.1jonplussed
haskell-admin40.00Remote Management Platform for Haskell Applications (library, mit, remote-management)2022-06-
haskell-admin-core30.03Core Modules of Haskell Admin (library, mit, remote-management, web)2022-06-
haskell-admin-health40.01Application Health Component for Haskell Admin (haskell-admin, library, mit, remote-management)2022-06-
haskell-admin-managed-functions40.01Managed Functions integration for Haskell Admin (haskell-admin, library, managed-functions, mit, remote-management)2022-06-
haskell-bcrypt90.01A bcrypt implementation for haskell (library, mit, system)2016-02-050.3.2BrettCarter
haskell-brainfuck90.01BrainFuck interpreter (language, library, mit, program)2014-08-
haskell-conll50.01Core Types for NLP (library, mit, text)2019-07-, sigrlami
haskell-course-preludes70.01Small modules for a Haskell course in which Haskell is taught by implementing Prelude functionality. (library, mit, unclassified)2014-07-
haskell-formatter (deprecated in favor of hindent)160.01Haskell source code formatter (deprecated, development, library, mit, program)2020-11-072.0.3evolutics
haskell-go-checkers82.01Go and Checkers game in Haskell (game, mit, program)2017-05-
haskell-holes-th72.01Infer haskell code by given type. (language, library, mit)2019-08-
haskell-igraph170.01Bindings to the igraph C library (v0.8.0). (library, math, mit)2020-02-210.8.0kaizhang
haskell-import-graph100.00create haskell import graph for graphviz (development, library, mit, program)2018-04-281.0.4ncaq
haskell-kubernetes70.01Haskell bindings to the Kubernetes API (via swagger-codegen) (library, mit, web)2016-12-110.5.0aaronlevin
haskell-lexer2880.07A fully compliant Haskell 98 lexer (language, library, mit)2022-12-271.1.1IavorDiatchki
haskell-lsp (deprecated in favor of lsp)732.2513Haskell library for the Microsoft Language Server Protocol (deprecated, development, library, mit)2021-01-, lorenzo, wz1000, luke_
haskell-lsp-types (deprecated in favor of lsp-types)742.08Haskell library for the Microsoft Language Server Protocol, data types (deprecated, development, library, mit)2021-01-, lorenzo, wz1000, luke_
haskell-neo4j-client460.01A Haskell neo4j client (database, library, mit)2016-09-
haskell-packages260.04Haskell suite library for package management and integration with Cabal (distribution, library, mit)2018-05-020.6.2AdamBergmark, DavidHimmelstrup, RomanCheplyaka, PhilippSchuster, niteria
haskell-postal80.01Haskell binding for the libpostal library (library, mit, natural-language-processing)2018-08-
haskell-postgis60.00A haskell library for PostGIS geometry types. (database, library, mit)2020-06-260.2.0petefrance
haskell-read-editor (deprecated in favor of read-editor)50.01Opens a temporary file on the system's EDITOR and returns the resulting edits (deprecated, library, mit, system)2015-10-
haskell-reflect50.01Reflect Haskell types. (haskell, library, mit)2013-06-170.9JulianFleischer
haskell-spacegoo80.01Client API for Rocket Scissor Spacegoo (game, library, mit)2015-04-
haskell-src-exts-simple320.04A simplified view on the haskell-src-exts AST (development, library, mit)2020-03-
haskell-stack-trace-plugin110.00haskell-stack-trace-plugin (compiler-plugin, debug, development, library, mit, program)2021-05-
haskheap60.01Haskell bindings to refheap. (library, mit, network)2012-12-050.1.2AnthonyGrimes
haskmon90.01A haskell wrapper for ( (game, library, mit, web)2016-03-
haskoin-core710.014Bitcoin & Bitcoin Cash library for Haskell (bitcoin, finance, library, mit, network, public-domain)2022-04-130.21.2PhilippeLaprade, wraithm, runeks, jprupp
haskoin-node720.02P2P library for Bitcoin and Bitcoin Cash (bitcoin, finance, library, mit, network, public-domain)2022-07-270.18.1PhilippeLaprade, runeks, jprupp
haskoin-store4310.00Storage and index for Bitcoin and Bitcoin Cash (bitcoin, finance, library, mit, network, program)2023-05-120.65.10jprupp
haskoin-store-data1370.01Data for Haskoin Store (bitcoin, finance, library, mit, network)2022-09-190.65.5jprupp
haskyapi (deprecated)50.00HTTP server (deprecated, library, mit, program, web)2018-02-
haspara110.00A library providing definitions to work with monetary values. (finance, library, mit)2022-11-
haspell60.01Haskell bindings to aspell (language, library, mit)2013-08-261.1.0JoelTaylor
hasql1882.542An efficient PostgreSQL driver with a flexible mapping API (database, hasql, library, mit, postgresql)2022-11-211.6.3NikitaVolkov
hasql-backend (deprecated in favor of hasql)150.05API for backends of "hasql" (database, deprecated, library, mit)2016-10-190.4.3NikitaVolkov
hasql-cursor-query150.01A declarative abstraction over PostgreSQL Cursor (database, hasql, library, mit, postgresql, streaming)2019-05-
hasql-cursor-transaction140.01An abstraction for simultaneous fetching from multiple PostgreSQL cursors (database, hasql, library, mit, postgresql, streaming)2019-05-280.6.4NikitaVolkov
hasql-dynamic-statements500.01Toolkit for constructing Hasql statements dynamically (library, mit, unclassified)2022-07-
hasql-implicits460.01Implicit definitions for Hasql, such as default codecs for standard types (library, mit, unclassified)2023-02-270.1.1NikitaVolkov
hasql-optparse-applicative660.01"optparse-applicative" parsers for "hasql" (database, hasql, library, mit, options, postgresql)2023-05-
hasql-pool1650.09Pool of connections for Hasql (database, hasql, library, mit, postgresql)2023-05-130.10NikitaVolkov
hasql-postgres (deprecated in favor of hasql)390.04A "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)130.01An "optparse-applicative" parser for "hasql-postgres" (database, deprecated, library, mit, options)2016-10-190.1.6NikitaVolkov
hasql-resource-pool110.00A pool of connections for Hasql based on resource-pool. (database, hasql, library, mit, postgresql)2023-03-
hasql-streams-conduit40.00Stream Hasql queries with Conduit (conduit, database, hasql, library, mit, postgresql, streaming)2022-02-
hasql-streams-core40.04Stream Hasql queries (database, hasql, library, mit, postgresql, streaming)2022-02-
hasql-streams-example30.00An example program that shows how to use Hasql streams with Rel8 (database, hasql, mit, postgresql, program, streaming)2022-02-
hasql-streams-pipes30.00Stream Hasql queries with Pipes (database, hasql, library, mit, pipes, postgresql, streaming)2022-02-
hasql-streams-streaming30.00Stream Hasql queries with Streaming (database, hasql, library, mit, postgresql, streaming)2022-02-
hasql-streams-streamly42.00Stream Hasql queries with Streamly (database, hasql, library, mit, postgresql, streaming, streamly)2022-02-
hasql-th700.01Template Haskell utilities for Hasql (database, hasql, library, mit, postgresql, template-haskell)2022-12-
hasql-transaction910.07Composable abstraction over retryable transactions for Hasql (database, hasql, library, mit, postgresql)2022-07-
hasql-transaction-io380.05Perform IO actions during transactions for Hasql (database, hasql, library, mit, postgresql)2023-05-
hasql-url50.00Parse PostgreSQL connection URI into Hasql.Connection Settings (library, mit, utility)2022-04-
haste-app40.01Framework for type-safe, distributed web applications. (library, mit, web)2017-09-
haste-gapi62.01Google API bindings for the Haste compiler (library, mit, web)2016-04-
haste-markup30.01A port of blaze-markup and blaze-html to Haste (library, mit, web)2014-06-
hasty-hamiltonian180.01Speedy traversal through parameter space. (library, mit, numeric)2021-02-211.3.4JaredTobin
hats50.00Haskell client for the NATS messaging system (library, mit, network, program)2016-10-
hax60.01Haskell cash-flow and tax simulation (finance, library, mit, program)2017-01-250.0.2johannesgerer
haxparse80.01Readable HaxBall replays (data, library, mit, program)2013-09-
hayland (deprecated)60.01Haskell bindings for the C Wayland library. (deprecated, graphics, library, mit, program)2014-09-
hayoo-cli80.01Hayoo CLI (development, mit, program)2014-08-
hbcd50.01Packed binary-coded decimal (BCD) serialization (data, library, mit)2012-06-201.0AndrewKay
hdbc-aeson100.01Deserialize from HDBC rows to FromJSON instances (database, library, mit)2015-03-
hdbc-postgresql-hstore (deprecated in favor of HDBC-postgresql-hstore, postgresql-simple)40.01Manipulate data in PostgreSQL "hstore" columns. (database, deprecated, library, mit)2012-07-
hdevtools372.51Persistent GHC powered background server for FAST haskell development tools (development, mit, program)2019-03-, SchellScivally, ranjitjhala, ch1bo
hdiff42.00Pattern-Expression-based differencing of arbitrary types. (library, mit, other, program)2019-09-270.0.1vcmiraldo
hdo121.750A Digital Ocean client in Haskell (cloud, library, mit, program)2017-05-130.5abailly
headed-megaparsec790.02More informative parser (library, megaparsec, mit, parsers, parsing)2023-03-
headergen70.01Creates a header for a haskell source file. (development, mit, program)2015-07-300.2.0.0bash0r
heavy-log-shortcuts60.00Simle api for heavy logger (library, mit, system)2019-04-111.0.1Jappie
hebrew-time140.01Hebrew dates and prayer times. (data, library, mit)2019-02-170.1.2MichaelSnoyman
heckin30.00Oh heck, it's a heckin' case conversion library. (data, library, mit, text)2019-11-
heckle220.00Jekyll in Haskell (feat. LaTeX) (library, mit, program, web)2017-03-
hedgehog-gen-json150.01JSON generators for Hedgehog (library, mit, test)2018-05-090.5.1amrhassan
hedgehog-lens40.00Hedgehog properties for lens laws. (lens, library, mit, testing)2022-04-
hedgehog-optics100.00Hedgehog properties for optics laws (library, mit, optics, testing)2023-01-, Monoid_Mary
hedis-simple50.01A simplified API for hedis (database, library, mit)2013-11-
hedra30.00A small library and executable for generating dice rolls. (game, library, mit, program)2019-01-020.1vtan
heidi62.00Tidy data in Haskell (data-mining, data-science, generics, library, mit, program)2021-06-170.3.0ocramz
heist-extra60.01Extra heist functionality (library, mit, web)2022-11-
helf80.01Typechecking terms of the Edinburgh Logical Framework (LF). (dependent-types, mit, program)2022-05-300.2022.5.30AndreasAbel
helics150.03New Relic® agent SDK wrapper for Haskell. (library, mit, network)2015-03-240.5.1HirotomoMoriwaki
helics-wai110.02New Relic® agent SDK wrapper for wai. (library, mit, network)2015-03-240.5.1HirotomoMoriwaki
helix30.01Web development micro framework for haskell with typesafe URLs (library, mit, network)2016-01-120.9.5AnupamJain
helm192.51A functionally reactive game engine. (frp, game-engine, library, mit, program)2016-10-031.0.0ZackCorr, kasbah
help-esb140.01A Haskell client for the team's ESB. (development, library, mit)2014-11-130.1.6suitupalex
hemokit160.01Haskell port of the Emokit EEG project (bioinformatics, library, mit, program)2015-08-190.6.6NiklasHambuechen, PatrickChilton
hen110.01Haskell bindings to Xen hypervisor interface (library, mit, system)2014-03-130.1.3FedorGogolev
henet130.01Bindings and high level interface for to ENet v1.3.9 (ffi, library, mit, network)2013-09-
hepevt90.01HEPEVT parser (library, mit, physics)2012-02-060.5ScottLawrence
herbalizer90.01HAML to ERB translator (mit, program, utility)2013-04-180.4.9DanielChoi
hermes-json192.00Fast JSON decoding via simdjson C++ bindings (ffi, json, library, mit, text, web)2023-03-
heroku-persistent40.01Parse DATABASE_URL into configuration types for Persistent (library, mit, unclassified)2016-03-180.2.0PatrickBrisbin, jferris
herringbone110.03A library for compiling and serving static web assets. (library, mit, web)2014-07-270.1.1hdgarrood
herringbone-embed50.01Embed preprocessed web assets in your executable with Template Haskell. (library, mit, web)2014-07-270.1.1hdgarrood
herringbone-wai70.01Wai adapter for the Herringbone web asset preprocessor. (library, mit, web)2014-07-270.1.1hdgarrood
hesh100.00the Haskell Extensible Shell: Haskell for Bash-style scripts (development, library, mit, program)2017-03-071.11.0ChrisForno
hetero-dict70.02Fast heterogeneous data structures (data, library, mit)2016-06-
heterocephalus290.03A type-safe template engine for working with front end development tools (library, mit, web)2022-07-
heterolist40.01A heterogeneous list type (data, library, mit)2017-03-
hetzner360.00Hetzner Cloud and DNS library. (cloud, library, mit)2023-04-300.2.0.0DanielDiaz
hex-text672.09ByteString-Text hexidecimal conversions (library, mit, text)2022-12-310.1.0.8chris_martin, Monoid_Mary
hexchat60.01Haskell scripting interface for HexChat (library, mit, system)2017-12-
hexpat-lens380.01Lenses for Hexpat. (library, mit, xml)2020-06-170.1.9JosephAbrahamson, OliverCharles
hexpress40.01An express-like http framework (library, mit, network)2017-09-
hexstring110.010Fast and safe representation of a hex string (data, library, mit)2015-04-210.11.1solatis
hfmt232.250Haskell source code formatter (language, library, mit, program)2021-09-
hgearman50.01A Gearman client for Haskell. (library, mit, network)2015-08-
hgeometric80.01A geometric library with bindings to GPC. (library, math, mit)2009-06-, GwernBranwen, MarcoSilva
hgeos180.01Simple Haskell bindings to GEOS C API (data, geography, geometry, library, mit, text)2016-08-
hhwloc50.00Bindings to (foreign, library, mit, system)2020-01-270.2.1dtaskoff
hi3status50.00Status line for i3bar. (library, mit, program, system)2015-12-
hidapi320.05Haskell bindings to HIDAPI (hardware, library, mit)2022-05-050.1.8NiklasHambuechen, PatrickChilton
hidden-char72.01Provides cross-platform getHiddenChar function (command-line-tool, library, mit)2017-12-
higgledy372.01Partial types as a type constructor. (data, library, mit)2023-03-, i_am_tom
highjson100.02Spec based JSON parsing/serialisation (json, library, mit, text, web)2021-05-
highjson-swagger60.01Derive swagger instances from highjson specs (json, library, mit, text, web)2021-05-
highjson-th50.01Template Haskell helpers for highjson specs (json, library, mit, text, web)2021-05-
himpy30.01multithreaded snmp poller for riemann (mit, program, system)2014-02-100.5.0pyr
hindley-milner40.01Template for Hindley-Milner based languages (language, library, mit)2016-04-
hindley-milner-type-check60.00Type inference for Hindley-Milner based languages (language, library, mit)2021-06-
hinduce-associations-apriori40.02Apriori algorithm for association rule mining (data-mining, library, mit)2012-02-
hinquire50.01Generate armet style query strings. (library, mit, network)2014-03-260.1.1joneshf
hjcase (deprecated)60.01Jcase library for Haskell (data, deprecated, library, mit)2015-05-
hjsonpointer (deprecated)251.752JSON Pointer library (data, deprecated, library, mit)2018-09-301.5.0seagreen
hjsonschema (deprecated)630.06JSON Schema library (data, deprecated, library, mit)2020-05-011.10.0seagreen
hleap90.01Web Socket interface to Leap Motion controller (hardware, library, mit, program)2019-02-
hlex111.50Simple Lexer Creation (lexer, library, mit)2023-05-060.1.0SebTee
hlibcpuid60.00Bindings to (foreign, library, mit, program, system)2020-01-210.2.0dtaskoff
hlibgit2420.04Low-level bindings to libgit2 (ffi, library, mit)2017-02-, SakariJokinen
hlibsass280.03Low-level bindings to Libsass (foreign, library, mit)2020-06-
hlivy42.00Client library for the Apache Livy REST API (distributed-computing, library, mit)2019-02-081.0.1ddonohue
hlrdb100.00High-level Redis Database (database, library, mit)2022-07-
hlrdb-core210.01High-level Redis Database Core API (database, library, mit)2022-07-
hls-cabal-plugin940.01Cabal integration plugin with Haskell Language Server (development, library, mit)2023-05-
hnock30.00A Nock interpreter. (language, library, mit, program)2019-10-010.4.0JaredTobin
hoauth21292.014Haskell OAuth2 authentication client (library, mit, network, oauth2)2023-03-152.8.0HaishengWu
hoauth2-demo30.00hoauth2 demo application (mit, network, program)2022-11-181.6.0HaishengWu
hoauth2-providers40.01OAuth2 Identity Providers (library, mit, network)2022-11-180.2HaishengWu
hoauth2-providers-tutorial40.00tutorial for hoauth2-providers module (library, mit, network, program)2022-11-180.2HaishengWu
hoauth2-tutorial70.00Tutorial for using hoauth2 (library, mit, network, oauth2, program, tutorial)2022-11-180.2HaishengWu
hogre140.03Haskell binding to a subset of OGRE (graphics, library, mit)2012-06-160.1.5AnttiSalonen
hogre-examples90.01Examples for using Hogre. (graphics, mit, program)2012-04-050.1.4AnttiSalonen
hoist-error120.03Some convenience facilities for hoisting errors into a monad (control, library, mit)2018-06-, schalmers, qfpl
hol110.01Higher order logic (library, logic, mit, program)2022-08-081.4JoeHurd
holmes112.00Tools and combinators for solving constraint problems. (data, library, mit)2021-01-
holy-project92.01Start your Haskell project with cabal, git and tests. (development, library, mit, program)2015-08-
homura-stopwatch50.00 (library, mit, program, unclassified)2020-09-300.2.0ncaq
honi40.01OpenNI 2 binding (graphics, library, mit)2014-02-, PatrickChilton
hoobuddy70.01Simple tool for fetching and merging hoogle data (development, mit, program)2015-01-
hoop30.00Object-Oriented Programming in Haskell (language, library, mit)2020-07-
hopfield60.01Hopfield Networks, Boltzmann Machines and Clusters (ai, library, machine-learning, mit, program)2014-04-
hopfield-networks52.01Hopfield Networks for unsupervised learning in Haskell (library, math, mit, program)2013-11-
horizon-gen-nix110.00Generate nix expressions from horizon-spec definitions (library, mit, nix, package-management, program)2023-02-040.6locallycompact
horizon-spec160.03Horizon Stable Package Set Type Definitions (library, mit, package-management)2023-03-050.9.0locallycompact, milloni
horizon-spec-lens40.00Horizon Stable Package Set Lenses (library, mit, package-management)2023-02-230.1locallycompact
horizon-spec-pretty50.00Horizon Stable Package Set Pretty Printer (library, mit, package-management)2023-02-240.0.1locallycompact
horizontal-rule180.00horizontal rule for the terminal (library, mit, program, utils)2023-05-
hostaddress70.00Network Host Addresses (library, mit, network)2021-10-
houseman60.00A Haskell implementation of Foreman (development, library, mit, program)2016-05-060.1.0DaisukeFujimura
hpack2222.010A modern format for Haskell packages (development, library, mit, program)2023-01-260.35.2SimonHengel, SoenkeHahn, mpilgrem
hpack-convert202.01Convert Cabal manifests into hpack's package.yamls (development, library, mit, program)2017-06-221.0.1yamadapc
hpdft120.01A tool for looking through PDF file using Haskell (library, mit, pdf, program)2022-08-
hpygments70.02Highlight source code using Pygments (library, mit, text)2016-01-070.2.0DavidLazar, yamadapc
hpyrg30.01pyrg utility done right (mit, program, text)2012-10-
hquery90.02A query language for transforming HTML5 (library, mit, web)2014-06-
hreader-lens110.01Optics for hreader package (data, library, mit)2017-05-310.1.3.0dredozubov
hreq-client40.01A Type dependent Highlevel HTTP client library. (library, mit, network, program, web)2019-11-
hreq-conduit30.00Conduit streaming support for Hreq. (conduit, library, mit, network, web)2019-11-
hreq-core40.02Core functionality for Hreq Http client library (library, mit, network, web)2019-11-
hriemann210.00A Riemann Client for Haskell (library, mit, monitoring, program)2020-12-
hs-carbon80.01A Haskell framework for parallel monte carlo simulations (library, mit, simulation)2015-07-
hs-carbon-examples30.01Example Monte Carlo simulations implemented with Carbon (mit, program, simulation)2014-06-
hs-duktape100.01Haskell bindings for a very compact embedded ECMAScript (JavaScript) engine. (library, mit, web)2019-02-281.0.0valpackett
hs-gen-iface (deprecated)40.01Utility to generate haskell-names interface files (deprecated, language, mit, program)2014-11-260.5.0AdamBergmark, RomanCheplyaka, PhilippSchuster
hs-inspector120.01Haskell source code analyzer (language, library, mit)2015-05-
hs-mesos80.01 (library, mit, program, system)2015-06-
hs-nombre-generator40.01Name generator. (mit, program, web)2014-06-
hs-opentelemetry-awsxray40.00[synopsis] (library, mit, utils)2023-03-
hs-re40.01Easy to use Regex (library, mit, unclassified)2015-02-260.1.0SKAhack
hs-scrape60.01Simple and easy web scraping and automation in Haskell. (library, mit, web)2014-12-
hs-sdl-term-emulator30.00Terminal Emulator written in Haskell, SDL2 Backend (library, mit, program, terminal)2021-07-300.1.0.4BitConnor
hs-snowtify30.01snowtify send your result of `stack build` (`stack test`) to notify-daemon :dog2: (mit, program, simple)2017-07-
hs-tags70.00Create tag files (ctags and etags) for Haskell code. (development, mit, program)2022-01-, AndresSicardRamirez, NilsAndersDanielsson, UlfNorell
hs-term-emulator60.01Terminal Emulator written in 100% Haskell (library, mit, terminal)2021-07-300.1.0.4BitConnor
hs-watchman60.01Client library for Facebook's Watchman tool (library, mit, system)2021-03-
hs2048 (deprecated)70.01A 2048 clone in Haskell. (deprecated, game, library, mit, program)2014-04-020.1.0taylorfausak, fozworth
hs2ps90.00Translate Haskell types to PureScript (library, mit, purescript)2020-02-
hsass220.05Integrating Sass into Haskell applications. (library, mit, text)2018-11-250.8.0jakubfijalkowski
hsbc80.01A command line calculator (mit, program, utilities)2017-01-
hscaffold150.00Very simple file/directory structure scaffolding writer monad EDSL (development, library, mit, program)2016-11-
hse-cpp92.04Preprocess+parse haskell code (language, library, mit)2016-10-060.2AdamBergmark, DavidHimmelstrup, RomanCheplyaka, PhilippSchuster
hserv60.01Simple http server in haskell. (mit, network, program)2014-04-
hsfilt50.01Z-decoder. (development, mit, program)2014-11-
hsilop70.01RPN calculator (math, mit, program)2015-09-
hslua3432.517Bindings to Lua, an embeddable scripting language (foreign, library, mit)2023-03-132.3.0GracjanPolak, OmerAgacan, tarleb
hslua-aeson2480.04Allow aeson data types to be used with Lua. (foreign, library, mit)2023-03-
hslua-classes2370.01Type classes for HsLua (foreign, library, mit)2023-03-132.3.0tarleb
hslua-cli1840.00Command-line interface for Lua (foreign, library, mit)2023-03-181.4.1tarleb
hslua-core2612.018Bindings to Lua, an embeddable scripting language (foreign, library, mit)2023-03-172.3.1tarleb
hslua-examples60.00Examples of how to combine Haskell and Lua. (foreign, mit, program)2023-03-132.0.2tarleb
hslua-list1800.02Opinionated, but extensible Lua list type. (foreign, library, mit)2023-03-171.1.1tarleb
hslua-marshalling2330.016Marshalling of values between Haskell and Lua. (foreign, library, mit)2023-03-132.3.0tarleb
hslua-module-doclayout2250.02Lua module wrapping Text.DocLayout. (foreign, library, mit)2023-03-131.1.0JohnMacFarlane, tarleb
hslua-module-path2390.02Lua module to work with file paths. (foreign, library, mit)2023-03-131.1.0tarleb
hslua-module-system3090.02Lua module wrapper around Haskell's System module. (foreign, library, mit)2023-03-
hslua-module-text3180.02Lua module for text (foreign, library, mit)2023-03-
hslua-module-version2430.02Lua module to work with version specifiers. (foreign, library, mit)2023-03-131.1.0tarleb
hslua-module-zip1790.01Lua module to work with file zips. (foreign, library, mit)2023-03-131.1.0tarleb
hslua-objectorientation2480.02Object orientation tools for HsLua (foreign, library, mit)2023-03-132.3.0tarleb
hslua-packaging2440.06Utilities to build Lua modules. (foreign, library, mit)2023-03-132.3.0tarleb
hslua-repl1010.02Isocline-based Lua REPL (foreign, library, mit)2023-03-170.1.1tarleb
hslua-typing1100.04Type specifiers for Lua. (foreign, library, mit)2023-03-130.1.0tarleb
hspec12752.75159A Testing Framework for Haskell (library, mit, testing)2023-05-282.11.1SimonHengel, SoenkeHahn, parsonsmatt
hspec-api840.01A Testing Framework for Haskell (library, mit, testing)2023-05-282.11.1SimonHengel
hspec-contrib810.02Contributed functionality for Hspec (library, mit, testing)2023-01-300.5.2SimonHengel
hspec-core8650.033A Testing Framework for Haskell (library, mit, testing)2023-05-282.11.1SimonHengel, SoenkeHahn, parsonsmatt
hspec-discover9202.255Automatically discover and run Hspec tests (library, mit, program, testing)2023-05-282.11.1SimonHengel, SoenkeHahn, parsonsmatt
hspec-expectations2300.031Catchy combinators for HUnit (library, mit, testing)2023-05-280.8.3SimonHengel, SoenkeHahn, parsonsmatt
hspec-expectations-json210.00Hspec expectations for JSON Values (library, mit, test)2022-05-, dukerutledge, mjgpy3, FreckleEngineering
hspec-expectations-lifted480.02A version of hspec-expectations generalized to MonadIO (library, mit, testing)2017-03-310.10.0SimonHengel
hspec-expectations-pretty (deprecated in favor of hspec-expectations-pretty-diff)31.251hspec-expectations with pretty printing on failure (deprecated, library, mit, testing)2013-09-020.1GregWeber
hspec-expectations-pretty-diff290.01Catchy combinators for HUnit (library, mit, testing)2022-01-
hspec-experimental30.01An experimental DSL for testing on top of Hspec (library, mit, testing)2012-11-110.1.0SimonHengel
hspec-golden1050.00Golden tests for hspec (library, mit, program, testing)2023-05-
hspec-jenkins50.01Jenkins-friendly XML formatter for Hspec (library, mit, testing)2013-05-060.1.1KoheiSuzuki
hspec-junit-formatter470.01A JUnit XML runner/formatter for hspec (library, mit, testing)2022-03-301.1.0.2PatrickBrisbin, dukerutledge, mjgpy3, FreckleEngineering
hspec-laws30.01Document and test laws for standard type classes (library, mit, testing)2014-08-210.0.0SimonHengel
hspec-meta1170.01A version of Hspec which is used to test Hspec itself (library, mit, program, testing)2022-09-112.10.5SimonHengel, SoenkeHahn, parsonsmatt
hspec-setup150.00Add an hspec test-suite in one command (development, library, mit, program)2016-08-
hspec-shouldbe (deprecated in favor of hspec)50.01Convenience wrapper and utilities for hspec (deprecated, library, mit, testing)2015-04-040.0.1
hspec-smallcheck530.04SmallCheck support for the Hspec testing framework (library, mit, testing)2022-05-120.5.3SimonHengel, parsonsmatt
hspec-structured-formatter80.01 (library, mit, test)2016-01-
hspec-tables30.00Table-driven (by-example) HSpec tests (library, mit, testing)2020-04-270.0.1rzeznik
hspec-test-framework80.02Run test-framework tests with Hspec (library, mit, testing)2014-11-190.1.0SimonHengel
hspec-test-framework-th40.01Run test-framework tests with Hspec (library, mit, testing)2014-11-190.1.0SimonHengel
hspec-wai1082.04Experimental Hspec support for testing WAI applications (library, mit, testing)2020-12-160.11.1DaisukeFujimura, SimonHengel
hspec-wai-json510.01Testing JSON APIs with hspec-wai (library, mit, testing)2020-09-260.11.0SimonHengel
hspec-webdriver192.01Write end2end web application tests using webdriver and hspec (library, mit, web)2022-07-171.2.1JohnLenz, dfordivam
hspec2 (deprecated in favor of hspec)250.05Alpha version of Hspec 2.0 (deprecated, library, mit, testing)2014-11-120.6.1
hspkcs11130.01Wrapper for PKCS #11 interface (cryptography, hsm, library, mit, pkcs11, smartcard, token)2018-03-010.7denisenkom
hsreadability40.01Access to the Readability API. (library, mit, network-apis, web)2015-04-
hssh60.01SSH protocol implementation (library, mit, network)2018-10-310.1.0.0LarsPetersen
hsudoku92.00Sudoku game with a GTK3 interface (game, library, mit, program)2017-05-
htestu60.01A library for testing correctness of pseudo random number generators in Haskell. (library, mit, program, system)2016-08-
html-conduit770.018Parse HTML documents using xml-conduit datatypes. (conduit, library, mit, text, web)2021-08-, MichaelSnoyman
html-entities930.013A codec library for HTML-escaped text and HTML-entities (codecs, html, library, mit, parsing)2022-05-
html-presentation-text50.00Simple tool to create html presentation for text. (mit, program, web)2022-01-
html-tokenizer230.01An "attoparsec"-based HTML tokenizer (html, library, mit, parsing, xml)2018-02-050.6.4NikitaVolkov
http-client8222.25541An HTTP client engine (library, mit, network)2022-08-, janus
http-client-brread-timeout110.02Http client with time-limited brRead (library, mit, network)2022-06-
http-client-conduit (deprecated in favor of http-conduit)110.06Frontend support for using http-client with conduit (deprecated) (deprecated, library, mit, network)2014-04-020.3.0MichaelSnoyman, janus
http-client-multipart (deprecated in favor of http-client)50.04Generate multipart uploads for http-client. (deprecated) (deprecated, library, mit, network)2014-04-
http-client-openssl512.014http-client backend using the OpenSSL library. (library, mit, network)2020-11-170.3.3MichaelSnoyman, alexbiehl, janus
http-client-restricted650.01restricting the servers that http-client will use (library, mit, network)2022-02-090.0.5JoeyHess
http-client-session50.01A simple abstraction over the "http-client" connection manager (library, mit, network)2016-07-070.1.2NikitaVolkov
http-client-tls2820.0290http-client backend using the connection package and tls library (library, mit, network)2022-02-, janus
http-directory260.00http directory listing library (library, mit, network)2022-06-110.1.10JensPetersen
http-kit130.01A low-level HTTP library (library, mit, network)2014-07-020.5.1SimonHengel
http-media1900.0143Processing HTTP Content-Type and Accept headers (library, mit, web)2019-04-
http-response-decoder60.01Declarative DSL for parsing an HTTP response (library, mit, unclassified)2016-10-280.2.3NikitaVolkov
http-trace92.00Tracking http redirects (library, mit, program, web)2016-06-
https-everywhere-rules100.01High-level access to HTTPS Everywhere rulesets. (data, library, mit)2014-08-240.1.0vi
hunch60.01CSS-like syntax for file system manipulation. (console, mit, program)2015-09-030.2.0loganbraga
hunit-dejafu490.01Deja Fu support for the HUnit test framework. (library, mit, testing)2022-08-302.0.0.6barrucadu
hunit-rematch40.01HUnit support for rematch (library, mit, testing)2013-05-
hunt-searchengine50.01A search and indexing engine. (data, library, mit, text)2015-03-
hunt-server60.01A search and indexing engine server. (data, mit, program, text)2015-03-
hunt-server-cli50.01A Command line Interface for the Hunt server. (console, mit, program)2015-02-
husk-scheme792.03R5RS Scheme interpreter, compiler, and library. (compilers-interpreters, language, library, mit, program)2021-02-043.20JustinEthier
husk-scheme-libs50.01Extra libraries for the husk Scheme platform. (compilers-interpreters, language, library, mit)2012-06-130.0.1JustinEthier
hutton (deprecated)40.01A program for the button on Reddit. (deprecated, mit, program, utility)2015-04-191.0.0fozworth
huzzy50.01Fuzzy logic library with support for T1, IT2, GT2. (library, mit, unclassified)2014-08-
hvect340.012Simple strict heterogeneous lists (data, library, mit)2022-02-, BrandonSimmons
hw-conduit240.06Conduits for tokenizing streams. (conduit, data, library, mit)2022-03-, haskellworks, GeorgeWilson
hw-kafka-client912.256Kafka bindings for Haskell (database, library, mit)2022-01-065.0.0newhoggy, alexeyraga
hw-kafka-conduit192.02Conduit bindings for hw-kafka-client (database, library, mit)2020-04-142.7.0alexeyraga
hw-succinct230.02Succint datastructures (conduit, data, library, mit)2016-10-, haskellworks
hwk70.00Commandline text processing with Haskell functions (development, mit, program)2021-06-140.6JensPetersen
hwsl2180.03Hashing with SL2 (data, library, mit)2017-11-
hwsl2-bytevector50.01A hashed byte-vector based on algebraic hashes and finger trees (data, library, mit)2015-07-
hwsl2-reducers50.01Semigroup and Reducer instances for Data.Hash.SL2 (data, library, mit)2015-07-
hx70.03Haskell extras (missing utility functions). (library, mit, utilities)2013-06-240.4JulianFleischer
hxt1210.099A collection of tools for processing XML with Haskell. (library, mit, xml)2021-03-, UweSchmidt
hxt-charproperties740.010Character properties and classes for XML and Unicode (library, mit, text)2021-02-
hxt-http210.02Interface to native Haskell HTTP package HTTP (library, mit, xml)2015-02-
hxt-regex-xmlschema850.08A regular expression library for W3C XML Schema regular expressions (library, mit, text)2021-02-
hxt-relaxng190.02The HXT RelaxNG validator (library, mit, xml)2015-02-
hxt-unicode620.08Unicode en-/decoding functions for utf8, iso-latin-* and other encodings (library, mit, text)2015-02-
hyakko210.01Literate-style Documentation Generator (documentation, mit, program)2015-06-030.6.7JeremyHull
hydrogen-cli60.01Hydrogen Data (language, mit, program)2015-01-080.14JulianFleischer
hydrogen-cli-args90.01Hydrogen Command Line Arguments Parser (language, library, mit)2015-03-220.17JulianFleischer
hydrogen-multimap50.03Hydrogen Multimap (language, library, mit)2015-03-260.3JulianFleischer
hydrogen-parsing70.03Hydrogen Parsing Utilities (language, library, mit)2015-03-220.17JulianFleischer
hydrogen-prelude280.07Hydrogen Prelude (language, library, mit)2015-03-260.20JulianFleischer
hydrogen-prelude-parsec60.01Hydrogen Prelude /w Parsec (language, library, mit)2015-03-220.17JulianFleischer
hydrogen-version90.02Hydrogen Version Type (language, library, mit)2015-03-261.4JulianFleischer
hylide90.00WebGL live-coding environment for writing shaders with Hylogen (graphics, library, mit, program)2016-10-
hylogen312.251GLSL embedded in Haskell (graphics, library, mit)2016-10-
hypher100.01A Haskell neo4j client (database, library, mit)2015-02-150.1.5jetaggart
i3blocks-hs-contrib82.00Base i3blocks written in haskell (distribution, library, mit, program)2020-04-252.1.0panavtec
iap-verifier50.01A simple wrapper of In-App-Purchase receipt validate APIs. (library, mit, network)2015-05-
icfpc2020-galaxy50.00A strange message received at the Pegovka observatory (acme, library, mit)2020-08-
ide-backend270.02An IDE backend library (development, library, mit, program)2016-01-, MichaelSnoyman
ide-backend-common180.02Shared library used be ide-backend and ide-backend-server (development, library, mit)2016-01-, MichaelSnoyman
ide-backend-rts (deprecated in favor of ide-backend-server)70.01RTS for the IDE backend (deprecated, development, library, mit)2015-03-300.1.3.1MichaelSloan, MichaelSnoyman
ide-backend-server70.01An IDE backend server (development, mit, program)2016-01-, MichaelSnoyman
idempotent80.01Idempotent monoids (data, library, mit)2014-08-180.1.2alynn
ihaskell702.2518A Haskell backend kernel for the Jupyter project. (development, library, mit, program)2022-09-, VaibhavSagar
ihaskell-aeson80.01IHaskell display instances for Aeson (development, library, mit)2017-12-, VaibhavSagar
ihaskell-basic60.01IHaskell display instances for basic types (development, library, mit)2015-06-, VaibhavSagar
ihaskell-blaze100.03IHaskell display instances for blaze-html types (development, library, mit)2017-12-, VaibhavSagar
ihaskell-charts80.01IHaskell display instances for charts types (development, library, mit)2017-12-, VaibhavSagar
ihaskell-diagrams120.01IHaskell display instances for diagram types (development, library, mit)2018-03-, VaibhavSagar
ihaskell-display (deprecated in favor of ihaskell)50.01IHaskell display instances for basic types (deprecated, development, library, mit)2014-01-, VaibhavSagar
ihaskell-gnuplot40.01IHaskell display instance for Gnuplot (from gnuplot package) (development, library, mit)2017-12-
ihaskell-graphviz80.00IHaskell display instance for GraphViz (external binary) (development, library, mit)2019-04-
ihaskell-hatex70.01IHaskell display instances for hatex (development, library, mit)2017-12-, VaibhavSagar
ihaskell-juicypixels100.01IHaskell - IHaskellDisplay instances of the image types of the JuicyPixels package. (development, library, mit)2017-12-, VaibhavSagar
ihaskell-magic70.01IHaskell display instances for bytestrings (development, library, mit)2017-12-, VaibhavSagar
ihaskell-parsec80.01IHaskell display instances for Parsec (development, library, mit)2015-06-, VaibhavSagar
ihaskell-plot70.01IHaskell display instance for Plot (from plot package) (development, library, mit)2017-12-, VaibhavSagar
ihaskell-widgets90.01IPython standard widgets for IHaskell. (library, mit, unclassified)2019-04-, VaibhavSagar
ihp-hsx120.00JSX-like but for Haskell (html, library, mit)2023-02-061.0.0MarcScholten
immortal380.06Spawn threads that never die (unless told to do so) (concurrency, library, mit)2018-04-160.3RomanCheplyaka
immortal-worker30.00Create worker threads that logs exceptions and restarts. (concurrency, library, mit)2020-10-
impl40.00Framework for defaulting superclasses (development, library, mit, template-haskell)2018-11-
importify60.00Tool for haskell imports refactoring (development, library, mit, program, refactoring)2017-12-231.0.1serokell
imports82.01Generate code for importing directories automatically (development, library, mit)2016-01-
inchworm100.01Simple parser combinators for lexical analysis. (library, mit, parsing)2019-01-
indexation400.01Tools for entity indexation (data, library, mit)2018-10-080.8NikitaVolkov, IrinaArtemeva, OShev
indices90.01Multi-dimensional statically bounded indices. (data, library, mit)2014-12-301.7.1MikeLedger
indigo140.00Convenient imperative eDSL over Lorentz. (language, library, mit, program)2023-03-310.6.0gromak, pasqu4le, serokell, rinn7e
infer-license900.01Infer software license from a given license file (development, library, mit)2018-07-150.2.0SimonHengel
infer-upstream50.01Find the repository from where a given repo was forked (development, mit, program)2014-08-
inferno-core30.01A statically-typed functional scripting language (dsl, library, mit, scripting)2022-11-
inferno-lsp30.00LSP for Inferno (dsl, ide, library, mit, program, scripting)2022-11-290.1.0sidk
inferno-types40.03Core types for Inferno (dsl, library, mit, scripting)2022-11-
inferno-vc30.01Version control server for Inferno (dsl, library, mit, scripting)2022-11-290.1.0sidk
inflections302.07Inflections library for Haskell (library, mit, text)2020-09-, stackbuilders, sestrella, mrkkrp, camm, elcuy
inject40.01A minimalistic template engine (library, mit, program, text)2013-06-090.1.0SimonHengel
inline-c1482.543Write Haskell source files including C code inline. No FFI required. (ffi, library, mit)2023-05-, RobertHensing
inline-c-cpp530.010Lets you embed C++ code into Haskell. (ffi, library, mit)2022-02-, RobertHensing
inline-c-objc150.00Lets you embed Objective-C code into Haskell. (ffi, library, mit)2023-05-
inline-c-win3240.01Win32 API Context for the inline-c library (ffi, library, mit)2015-06-100.1anton_dessiatov
inliterate42.02Interactive literate programming (library, mit, program, statistics)2017-06-060.1.0glutamate, ocramz
inserts60.01Stupid simple bytestring templates. (library, mit, text)2015-01-130.1.2JosephAbrahamson
inspection-testing1072.53GHC plugin to do inspection testing (compiler-plugin, library, mit, testing)2023-01-
instana-haskell-trace-sdk552.00SDK for adding custom Instana tracing support to Haskell applications. (library, mit, monitoring, program)2023-05-
int-interval-map30.01Interval map (data, library, mit)2022-06-
int-multimap120.01A 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
integer-logarithms2160.023Integer logarithms. (algorithms, library, math, mit, number-theory)2020-11-
integer-roots510.05Integer roots and perfect powers (algorithms, library, math, mit, number-theory)2021-11-
interact42.00instantly create REPL from any function (library, mit, repl, system)2020-06-
interchangeable (deprecated)110.01A type class for interchangeable data. (control, deprecated, library, mit)2015-01-
interlude-l300.02Prelude replacement based on protolude (library, mit, prelude)2018-12-
interpolate652.018String interpolation done right (data, library, mit, text)2020-06-050.2.1SimonHengel
interpolator100.00Runtime interpolation of environment variables in records using profunctors (data, library, mit)2020-07-, dfithian, MossPrescott
interspersed100.01An abstraction over interspersing monadic actions (control, library, mit)2016-06-020.1.2NikitaVolkov
interval-tree-clock62.00Interval Tree Clocks (data, data-structures, distributed-computing, library, mit)2022-07-
intrinsic-superclasses122.01A quasiquoter for better instance deriving and default methods (language, library, mit)2018-07-
intro370.02Safe and minimal prelude (library, mit, prelude)2020-08-
intro-prelude40.01Intro reexported as Prelude (library, mit, prelude)2016-12-300.1.0.0minad
introduction50.01A prelude for safe new projects (library, mit, prelude)2016-09-300.0.1.0Norfair
introduction-test50.01A prelude for the tests of safe new projects (library, mit, testing)2016-09-300.0.1.0Norfair
io-throttle40.01Limit number of IO actions started per second (concurrency, library, mit)2014-09-060.1.0rodrigosetti
ioctl90.08Type-safe I/O control package (data, library, mit, system)2010-02-200.0.1MaciejPiechotka
ioref-stable60.01iorefs with a unique stable index (library, mit, unknown)2016-05-
iostring50.02A class of strings that can be involved in IO. (cssyd, library, mit)2017-02-
iothread40.01run IOs in a single thread (concurrency, library, mit)2015-01-
iotransaction40.01Supports the automatic undoing of IO operations when an exception is thrown. (control, library, mit)2013-05-040.1DylanShearer
ip-quoter60.01Quasiquoter for IP addresses (library, mit, network)2015-06-
ip2location190.01IP2Location Haskell package for IP geolocation. (development, library, mit)2023-04-118.5.0ip2location
ip2proxy120.00IP2Proxy Haskell package for proxy detection. (development, library, mit)2021-10-073.2.0ip2location
ipcvar60.01Simple inter-process communication through IPCVars. (library, mit, system)2018-05-180.1.1JohnWiegley
ipython-kernel430.04A library for creating kernels for IPython frontends (development, library, mit)2022-09-, VaibhavSagar
irc-client440.01An IRC client library. (library, mit, network)2022-12-311.1.2.3barrucadu
irc-conduit330.03Streaming IRC message library using conduits. (library, mit, network)2022-12-310.3.0.6barrucadu
irc-ctcp120.04A CTCP encoding and decoding library for IRC clients. (library, mit, network)2021-08-
irc-dcc100.00A DCC message parsing and helper library for IRC clients (library, mit, network)2017-03-192.0.1JanGerlinger
iri190.01RFC-based resource identifier library (iri, library, mit, network, uri, url)2019-01-310.4NikitaVolkov
isevaluated90.02Check whether a value has been evaluated (data, ghc, library, mit)2012-07-, SveinOveAas
iso-deriving100.00Deriving via arbitrary isomorphisms. (generics, library, mit)2020-04-240.0.8HansHoglund
iso8601-time750.027Convert to/from the ISO 8601 time format (library, mit, time)2018-06-110.1.5AndrasSlemmer, NiklasHambuechen, PatrickChilton
isocline1030.01A portable alternative to GNU Readline (console, library, mit, program)2022-01-161.0.9daan
isomorphism-class1130.02Isomorphism typeclass solving the conversion problem (library, mit, unclassified)2023-02-
iteratee-parsec90.01Package allowing parsec parser initeratee (data, library, mit, parsing)2010-11-280.0.6MaciejPiechotka
iterative-forward-search30.00An IFS constraint solver (constraints, library, mit)2021-07-, OscarH
ivar-simple110.01Write once concurrency primitives. (concurrency, library, mit)2020-10-050.3.3BertramFelgenhauer
ixset-typed-binary-instance50.01Binary instance for ixset-typed. (data-structures, library, mit)2020-08-
ixset-typed-cassava40.00cassava encoding and decoding via ixset-typed (csv, data, library, mit)2021-08-
ixset-typed-conversions80.01Conversions from ixset-typed to other containers. (data-structures, library, mit)2020-09-
ixset-typed-hashable-instance60.01Hashable instance for ixset-typed. (data-structures, library, mit)2020-08-
j2hs100.01j2hs (ffi-tools, foreign, java, jvm, mit, program)2013-06-240.99.1JulianFleischer
jack-bindings (deprecated)60.01DEPRECATED Bindings to the JACK Audio Connection Kit (deprecated, library, mit, sound)2012-10-070.1.1PhilippBalzarek
jalaali70.01Jalaali calendar systems (library, mit, time)2020-11-
java-bridge112.03Bindings to the JNI and a high level interface generator. (ffi-tools, foreign, java, jvm, mit)2013-06-080.20130606.3JulianFleischer
java-bridge-extras50.01Utilities for working with the java-bridge package. (ffi-tools, foreign, java, jvm, library, mit)2013-06-240.99JulianFleischer
java-poker70.00The etude of the Haskell programming (game, library, mit, program)2016-01-
java-reflect70.01Tools for reflecting on Java classes. (ffi-tools, foreign, java, jvm, library, mit)2013-06-240.99JulianFleischer
jbi60.00Just Build It - a "do what I mean" abstraction for Haskell build tools (development, library, mit, program)2018-02-
jcdecaux-vls40.01JCDecaux self-service bicycles API client (library, mit, web)2014-04-290.1.0Herzult
jira-wiki-markup3360.01Handle Jira wiki markup (library, mit, program, text)2023-03-131.5.1tarleb
jmonkey50.01Jmonkey is very restricted but handy EDSL for JavaScript. (library, mit, web)2018-10-
jobqueue90.01A job queue library (client, library, mit, network)2015-09-090.1.6ikehara, junjihashimoto, yjkmy
jordan40.05JSON with Structure (codec, library, mit)2022-07-
jordan-openapi40.01OpenAPI Definitions for Jordan, Automatically (library, mit, network)2022-07-
jordan-servant40.03Servant Combinators for Jordan (library, mit, web)2022-07-
jordan-servant-client30.00Servant Client Instances for Jordan Servant Types (library, mit, web)2022-07-
jordan-servant-openapi40.00OpenAPI schemas for Jordan-Powered Servant APIs (library, mit, web)2022-07-
jordan-servant-server30.00Servers for Jordan-Based Servant Combinators (library, mit, web)2022-07-
journalctl-stream1160.00Stream logs using journalctl. (library, mit, system)2023-05-
js-chart1570.01Obtain minified chart.js code (javascript, library, mit)2020-11-
js-dgtable1480.03Obtain minified jquery.dgtable code (javascript, library, mit)2019-03-150.5.2NeilMitchell
js-flot1620.06Obtain minified flot code (javascript, library, mit)2014-11-100.8.3NeilMitchell
js-jquery1720.08Obtain minified jQuery code (javascript, library, mit)2018-01-213.3.1NeilMitchell
jsaddle860.034Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2022-04-
jsaddle-clib110.01Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2022-04-
jsaddle-dom420.05DOM library that uses jsaddle to support both GHCJS and GHC (library, mit, web)2021-12-
jsaddle-hello70.01JSaddle Hello World, an example package (library, mit, program, web)2021-06-
jsaddle-warp440.05Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2022-04-
jsaddle-webkit2gtk210.01Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2022-04-
jsaddle-webkitgtk150.01Interface for JavaScript that works with GHCJS and GHC (javascript, library, mit, web)2017-06-
jsaddle-wkwebview270.02Interface for JavaScript that works with GHCJS and GHC (javascript, mit, web)2022-04-
jsc (deprecated in favor of jsaddle)50.01High level interface for webkit-javascriptcore (deprecated, javascript, library, mit, web)2014-03-
json-api160.01Utilities for generating JSON-API payloads (library, mit, network)2019-07-310.1.4.0toddmohney
json-api-lib180.00Utilities for generating JSON-API payloads (library, mit, network)2020-06-, shirren
json-ast180.03Universal JSON AST datastructure (library, mit, unclassified)2022-10-110.3.2NikitaVolkov
json-ast-json-encoder50.01Encoders of JSON AST (library, mit, unclassified)2017-04-070.1.1NikitaVolkov
json-ast-quickcheck40.01Compatibility layer for "json-ast" and "QuickCheck" (library, mit, unclassified)2016-02-040.2NikitaVolkov
json-bytes-builder (deprecated in favor of jsonifier)170.02Direct-to-bytes JSON Builder (codecs, deprecated, json, library, mit)2020-09-
json-encoder (deprecated in favor of json-bytes-builder)90.02A direct-to-bytes single-pass JSON encoder with a declarative DSL (codec, deprecated, json, library, mit)2016-06-020.1.8NikitaVolkov
json-feed500.02JSON Feed (library, mit, web)2023-04-
json-fu70.01Generic JSON serialization / deserialization (json, library, mit)2014-03-270.1.1SimonHengel
json-incremental-decoder70.01Incremental JSON parser with early termination and a declarative DSL (data, json, library, mit, parsing)2017-04-070.1.2NikitaVolkov
json-pointer90.03JSON Pointer parsing and interpretation utilities (data, json, library, mit, parsing)2019-01-
json-pointer-aeson80.01Integration layer for "json-pointer" and "aeson" (library, mit, unclassified)2017-04-060.1.2NikitaVolkov
json-pointer-hasql70.01JSON Pointer extensions for Hasql (hasql, json, library, mit)2016-04-040.1.1NikitaVolkov
json-python60.01Call python inline from haskell (language, library, mit)2014-11-
json-rpc562.05Fully-featured JSON-RPC 2.0 library (library, mit, network, program, public-domain)2022-05-151.0.4jprupp
json-rpc-client132.01JSON-RPC 2.0 on the client side. (json, library, mit, network)2017-01-
json-rpc-server182.02JSON-RPC 2.0 on the server side. (json, library, mit, network)2017-01-
json-togo90.01Effectful parsing of JSON documents (data, library, mit)2015-06-
json-types60.06Basic types for representing JSON (json, library, mit, text)2010-12-230.1JohnMillikin
jsonextfilter40.01Filter select values in JSON objects to unix programs (mit, program, web)2017-03-
jsonifier250.01Fast and simple JSON encoding toolkit (json, library, mit)2022-11-
jsonlogic40.01JsonLogic Evaluation (json, library, mit)2022-04-
jsonlogic-aeson50.00JsonLogic Aeson Support (json, library, mit)2022-04-
jsons-to-schema50.00JSON to JSON Schema (data, json, library, mit, program, web)2017-07-300.1.0.0garetht
jsonsql60.01Interpolate JSON object values into SQL strings (mit, program, text)2015-08-
jsontsv200.01JSON to TSV transformer (mit, program, text)2016-05-
jsonxlsx60.01json to xlsx converter (mit, program, text)2017-03-
juandelacosa60.01Manage users in MariaDB >= 10.1.1 (databases, mit, program, web)2021-03-170.1.2ip1981
juicy-draw80.00Draw and fill lines, rectangles and polygons (graphics, library, mit, program)2018-12-
jump50.01Nothing to see here, move along (data, library, mit)2016-03-
jupyter40.00A library for creating and using Jupyter kernels. (development, library, mit, program)2016-08-140.9.0gibiansky
jvm-binary180.01A library for reading Java class-files (java, jvm, language, library, mit)2021-05-120.10.0kalhauge
jwt1051.7517JSON Web Token (JWT) decoding and encoding (library, mit, web)2021-12-100.11.0puffnfresh
kafka-client (deprecated)50.01Low-level Haskell client library for Apache Kafka 0.7. (deprecated, library, mit, network)2015-06-
kafka-device100.05UI device events via a Kafka message broker (hardware, library, mit, program)2019-03-
kafka-device-glut110.01GLUT events via a Kafka message broker (hardware, library, mit, program)2019-03-
kafka-device-joystick110.01Linux joystick events via a Kafka message broker (hardware, library, mit, program)2019-03-
kafka-device-leap90.01Leap Motion events via a Kafka message broker (hardware, library, mit, program)2019-03-
kafka-device-spacenav100.01Linux SpaceNavigator events via a Kafka message broker (hardware, library, mit, program)2019-03-
kafka-device-vrpn70.01VRPN events via a Kafka message broker (library, mit, network, program)2019-03-
kaleidoscope50.01Haskell Kaleidoscope tutorial (compilers, library, mit, program)2016-08-
kalman82.01Kalman and particle filters and smoothers (library, math, mit)2016-12-
katip-logstash90.00Logstash backend for katip. (library, logging, mit)2021-11- library (api, library, mit)2017-04-220.3.0aaron
kcd50.01Kayak .kcd parsing library. (library, mit, text)2017-01-
kdt160.01Fast and flexible k-d trees for various types of point queries. (data, library, mit)2022-07-180.2.5giogadi
keccak100.00cryptographic functions based on the sponge construction (crypto, library, mit, program)2018-07-200.2.0aupiff
kesha70.00Haskell implementation of nix-hash (library, mit, system)2020-11-300.1.0.1jmackie
keter822.251Web application deployment manager, focusing on Haskell web frameworks (library, mit, program, web, yesod)2023-04-112.1.0MichaelSnoyman, ChristopherReichert, Jappie, jgt
kewar52.00CLI and library to generate QR codes. (data, library, mit, program, qr)2022-02-
keylayouts50.00Tools for macOS .keylayout files (configuration, library, mit, xml)2020-12-
keyring90.01Keyring access (library, mit, system)2017-02-
keyword-args110.01Extract data from a keyword-args config file format (data, library, mit, program)2015-04-, stackbuilders, sestrella
ki-effectful60.00Adaptation of the ki library for the effectful ecosystem. (concurrency, library, mit)2023-01-
kicad-data122.01Parser and writer for KiCad files. (data, library, mit)2021-10-290.5.1kasbah
kickass-torrents-dump-parser40.01Parses torrent dumps (library, mit, text)2013-01-160.0.1MichaelXavier
kmeans-par130.01Sequential and parallel implementations of Lloyd's algorithm. (algorithm, library, mit)2014-06-021.5.1vi, SimonAlling
kmonad110.00Advanced keyboard remapping utility (application, library, mit, program)2020-09-120.4.1david_janssen
knob320.03Memory-backed handles (library, mit, system)2023-02-100.2.2ncfavier
knots40.01Khovanov homology computations (library, math, mit, program)2015-04-
koofr-client80.01Client to Koofr API (library, mit, network)2015-03-
korea-holidays72.00Korea Holidays (library, mit, time)2019-07-
kparams50.00Extracts values from /proc/cmdline. (library, mit, program, text)2021-09- API client (library, mit, network)2017-09-210.1.0wereHamster
ksystools40.01System management tooling. (library, mit, system)2017-03-
ktx50.01A binding for libktx from Khronos (graphics, library, mit)2015-05-310.2Corngood
kubernetes-webhook-haskell70.00Create Kubernetes Admission Webhooks in Haskell (library, mit, web)2020-08-
labsat100.00LabSat TCP Interface Wrapper (library, mit, program, unclassified)2018-03-090.0.5bb
labyrinth160.01A complicated turn-based game (game, library, mit)2013-11-
labyrinth-server80.01A complicated turn-based game - Web server (game, mit, program)2013-11-
lackey500.01Generate Ruby clients from Servant APIs. (library, mit, web)2023-04-
lacroix62.01fizzy n dizzy (acme, library, mit)2021-11-
laika70.01Minimalistic type-checked compile-time template engine (library, mit, unclassified)2015-06-
lambda40.00Interpreters for lambda calculus, calculus of constructions, and more (compilers-interpreters, mit, program)2022-07-
lambda-calculator140.00A lambda calculus interpreter (lambdacalculus, language, library, mit, program, teaching)2023-03-
lambda-canvas50.01Educational drawing canvas for FP explorers. (education, graphics, library, mit)2012-08-290.1DimitrySolovyov
lambda-cube62.00Haskell implementation of (some of) lambda cube calculi (library, mit, utilities)2021-08-
lambdaBase60.01 (language, library, mit)2015-05-
lambdaLit60.01... (language, mit, program)2014-12-
lambdabot-zulip40.00Lambdabot for Zulip Chat (library, mit, program, web)2018-11-200.1.0NiklasHambuechen
lambdacms-core120.02LambdaCms 'core' subsite for Yesod apps (library, mit, web)2015-07-, matsrietdijk
lambdacms-media90.01LambdaCms "media" extension (library, mit, web)2015-07-, matsrietdijk
lambdatwit40.01Lambdabot running as a twitter bot. Similar to the @fsibot f# bot. (mit, program, web)2014-10-
language-c99380.03An implementation of the C99 AST that strictly follows the standard. (language, library, mit)2022-05-210.2.0frankdedden
language-c99-simple380.01C-like AST to simplify writing C99 programs. (language, library, mit)2022-08-280.2.2frankdedden
language-c99-util360.02Utilities for language-c99. (language, library, mit)2022-05-210.2.0frankdedden
language-conf100.00Conf parsers and pretty-printers for the Haskell programming language. (data, library, mit)2016-08-
language-gcl62.01Something similar to Dijkstra's guarded command language (language, library, mit)2014-06-150.2StijnVanDrongelen
language-hcl50.01HCL parsers and pretty-printers for the Haskell programming language. (data, library, mit)2016-08-
language-js70.01javascript parser for es6 and es7. (language, library, mit)2021-03-270.3.0diasbruno
language-ocaml50.01Language tools for manipulating OCaml programs in Haskell (language, library, mit, ocaml)2018-12-120.2.0Ptival
language-pig80.01Pig parser in haskell. (language, library, mit)2013-12-
language-toolkit50.00A set of tools for analyzing languages via logic and automata (formal-languages, library, mit, program)2022-03-
language-typescript90.02A library for working with TypeScript Definition files (language, library, mit)2014-02-020.0.4PhilFreeman
language-webidl200.01Parser and Pretty Printer for WebIDL (language, library, mit)2017-10-
laop120.00Matrix programming library (data, library, mit)2020-06-
latest-npm-version80.01Find the latest version of a package on npm (library, mit, network, program)2014-05-190.3.1passy
layout-bootstrap (deprecated)60.01Template and widgets for Bootstrap2 to use with Text.Blaze.Html5 (deprecated, library, mit, text)2012-03-070.2.2AlexanderBondarenko
lazy60.01Explicit laziness for Haskell (control, library, mit)2018-04-280.1NikitaVolkov
lazy-async60.00Asynchronous actions that don't start right away (concurrency, library, mit)2023-01-, Monoid_Mary
lazyset50.01Set and Map from lazy/infinite lists. (data, library, mit)2016-12-
ldapply60.01LDIF idempotent apply tool (mit, network, program, text)2017-01-120.2.0ip1981
lean-peano80.00A maximally lazy, simple implementation of the Peano numbers with minimal dependencies. (library, mit, numeric)2020-05-
leankit-api80.01LeanKit API (api, library, mit)2014-01-040.4dtorok
leanpub-concepts112.01Types for the Leanpub API (library, mit, web)2022-03-, Monoid_Mary
leanpub-wreq162.00Use the Leanpub API via Wreq (library, mit, web)2022-03-, Monoid_Mary
learning-hmm200.01Yet another library for hidden Markov models (algorithms, library, machine-learning, mit, statistics)2015-04-
leb128-cereal100.02LEB128 and SLEB128 encoding (codec, library, mit)2020-11-201.2JoachimBreitner
lens-aeson2402.75114Law-abiding lenses for aeson (data, json, lenses, library, mit)2022-08-111.2.2EdwardKmett, EricMertens, ryanglscott
lens-text-encoding30.01Isomorphisms and prisms for text <=> bytestring conversions (library, mit, text)2014-10-
lens-time50.01lens for Data.Time (data, library, mit)2013-08-
lens-witherable70.00lens-compatible tools for working with witherable (data, library, mit)2022-11-
lexer-applicative162.02Simple lexer based on applicative regular expressions (language, library, mit)2018-06-
lha60.03Data structures for the Les Houches Accord (library, mit, physics)2012-02-060.1.2ScottLawrence
lhe140.01Parser and writer for Les-Houches event files (data, library, mit, physics)2012-02-130.5ScottLawrence
lhs2TeX-hl190.01Literate highlighter preprocessor for lhs2tex (development, language, mit, program)2011-10-
libBF750.04A binding to the libBF library. (data, library, mit, program)2022-08-, RobertDockins, ryanglscott, galoisinc
libfuse3141.750A Haskell binding for libfuse-3.x (library, mit, system)2023-03-
libinfluxdb80.01libinfluxdb (database, library, mit)2016-05-250.0.4wereHamster
liblastfm310.01Lastfm API interface (library, mit, network-apis)2018-08-070.7.0DmitryMalikov, MatveyAksenov
libmpd1280.06An MPD client library. (library, mit, network, sound)2021-01-, JoachimFasting, SimonHengel, psibi
libnotify130.03Bindings to libnotify library (desktop, library, mit, system)2018-07-160.2.1MatveyAksenov
libnvvm50.01FFI binding to libNVVM, a compiler SDK component from NVIDIA (foreign, library, mit)2014-04-031.0.0seanprime7
libphonenumber170.00Parsing, formatting, and validating international phone numbers (data, library, mit)2023-04-, iko
librandomorg30.01Wrapper to API (library, mit, network-apis)2012-06-
librato50.01Bindings to the Librato API (library, mit, network)2014-07-
libsecp256k190.00Bindings for secp256k1 (crypto, library, mit)2022-07-110.1.0ProofOfKeags
libstackexchange80.01StackExchange API interface (library, mit, networkapis)2018-06-140.3.1MatveyAksenov
libxls40.01Bindings to libxls (ffi, library, mit)2016-02-250.2uuhan
libxml-enumerator (deprecated)140.01Enumerator-based API for libXML's SAX interface (deprecated, enumerator, library, mit, parsing, text, xml)2011-04-060.5JohnMillikin
libxml-sax280.05Bindings for the libXML2 SAX interface (foreign, library, mit, parsing, text, xml)2014-02-150.7.5StephenWeber
libzfs60.01Bindings to libzfs, for dealing with the Z File System and Zpools. (library, mit, program, system)2017-03-
licensor140.00A license compatibility helper (distribution, library, mit, program)2021-05-300.5.0jpvillaisaza
lifted-protolude40.01A sensible set of defaults for writing lifted custom Preludes. (library, mit, prelude)2016-07-130.1.6parsonsmatt
ligature40.01Expand ligatures in unicode text (library, mit, text)2013-08-
lima200.00Convert between Haskell, Markdown, Literate Haskell, TeX (library, mit, productivity, program)2023-04-
limp162.03representation of Integer Linear Programs (library, mit, numeric)2018-11-
limp-cbc120.02bindings for integer linear programming solver Coin/CBC (library, mit, numeric)2018-11-
lindenmayer60.01L-systems in Haskell (formal-languages, library, mit)2015-06-
linear-base390.04Standard library for linear types. (library, mit, prelude)2023-03-170.3.1utdemir, dotwani, aspiwack, tbagrel1
lines-of-action80.01Lines of Action, 2-player strategy board game (game, library, mit)2018-06-160.0.1jxv
linkcheck30.00Check for broken links in CI (library, mit, program, unclassified)2022-05-
linux-cgroup70.01Very basic interface to the Linux CGroup Virtual Filesystem (library, mit, system)2014-02-
linux-ptrace50.01Wrapping of Linux' ptrace(2). (library, mit, system)2010-10-310.1.2RichardSmith, kriztw
linx-gateway50.01Implementation of the Enea LINX gateway protocol. (library, mit, network, program)2014-08-
lio292.04Labeled IO Information Flow Control Library (library, mit, security)2020-09-, DavidMazieres, DeianStefan
list-singleton132.00Easily and clearly create lists with only one element in them. (data, library, mit)2022-08-
list-t3572.039ListT done right (control, data-structures, library, mit, streaming)2023-01-
list-t-attoparsec100.01An "attoparsec" adapter for "list-t" (library, mit, parsing, streaming)2016-10-190.4.1NikitaVolkov
list-t-html-parser140.01Streaming HTML parser (html, library, mit, parser, streaming)2016-10-190.4.2NikitaVolkov
list-t-http-client50.01A streaming HTTP client (http, library, mit, streaming)2015-04-
list-t-libcurl120.01A "libcurl"-based streaming HTTP client (http, library, mit, streaming)2018-02-120.3.3NikitaVolkov
list-t-text120.01A streaming text codec (codec, library, mit, streaming)2016-10-190.2.1NikitaVolkov
lists-flines70.07Additional data and structures to some 'String'-related lists. (data, library, mit)2023-01-
literals50.01Non-overloaded functions for concrete literals. (data, library, mit)2013-03-301.0JulianFleischer
literatex350.00transform literate source code to Markdown (library, mit, program, utils)2023-05-
little-earley50.00Simple implementation of Earley parsing (library, mit, parsing)2021-05-
ll-picosat40.01 (library, mit, unclassified)2015-01-
llsd40.01An implementation of the LLSD data system (library, mit, networking, program)2010-08-300.2.0.0BryanOSullivan
llvm-hs-pretty332.01A pretty printer for LLVM IR. (compilers, library, mit)2020-01-, andrew_wja
lmonad30.01LMonad is an Information Flow Control (IFC) framework for Haskell applications. (library, mit, security)2016-01-
lmonad-yesod80.01LMonad for Yesod integrates LMonad's IFC with Yesod web applications. (library, mit, security, web, yesod)2016-04-
locators140.05Human exchangable identifiers and locators (library, mit, other)2020-07-
log-effect210.02An extensible log effect using extensible-effects (control, effect, library, logging, mit, program)2019-03-021.2.0ibotty, sickmind
log-warper730.04Flexible, configurable, monadic and pretty logging (library, logging, mit, program)2020-03-041.9.0gromak, volhovm, serokell
logging332.07Simplified logging in IO for application writers. (library, mit, system)2018-01-293.0.5JohnWiegley, aupiff
logging-effect-extra120.00Supplemental packages for `logging-effect`. (library, mit, other, program)2018-08-052.0.0jship
logging-effect-extra-file160.01TH splices to augment log messages with file info (library, mit, other, program)2018-08-062.0.1jship
logging-effect-extra-handler190.01Handy logging handler combinators (library, mit, other, program)2018-08-062.0.1jship
logging-facade580.06Simple logging abstraction that allows multiple back-ends (library, mit, system)2021-11-170.3.1SimonHengel, SoenkeHahn
logging-facade-journald30.01Journald back-end for logging-facade (library, mit, system)2014-11-240.0.0SoenkeHahn
logical-constraints40.02Simple logical constraints 'syntax-sugar' writing library. (data, library, mit)2023-01-
logict-sequence122.00A backtracking logic-programming monad with asymptotic improvements to msplit (control, library, mit)2022-12-, dfeuer
loglevel130.01Log Level Datatype (library, mit, system)2018-08-300.1.0.0larsk
logplex-parse60.01Parse Heroku application/logplex documents (library, mit, text)2015-12-
logsink70.01A logging framework for Haskell (library, mit, system)2017-05-300.2.0SimonHengel, jkarni
logstash90.02Logstash client library for Haskell (library, mit, network)2021-11-
longboi70.01Dependently-typed linked list implementation (data, library, mit)2018-01-161.0.0chessai
longshot101.50Fast Brute-force search using parallelism (algorithm, cryptography, library, mit, parallelism, program, search)2021-12-
loop820.04Fast loops (for when GHC can't optimize forM_) (control, library, mit)2015-09-030.3.0NiklasHambuechen
loop-dsl41.50monadic loop dsl. (control, library, mit)2021-11-
looper70.00 (library, mit, unclassified)2022-05-
lorentz350.04EDSL for the Michelson Language (language, library, mit)2023-03-300.15.1gromak, pasqu4le, serokell
loshadka60.01Minecraft 1.7 server proxy that answers to queries when the server is offline (mit, network, program)2014-04-250.2LnYnp6WCYyKG3yhdLDztVRuQjTFKEy
louis50.00Turning images into text using Braille font (graphics, library, mit)2019-09-
loup210.00Amazon Simple Workflow Service Wrapper for Work Pools. (aws, cloud, distributed-computing, library, mit, network, program)2017-11-040.0.16markfine
lpeg2170.02LPeg – Parsing Expression Grammars For Lua (foreign, library, mit)2023-03-131.0.4tarleb
lsp1830.033Haskell library for the Microsoft Language Server Protocol (development, library, mit)2022-09-, PepeIborra, wz1000, luke_, jneira, michaelpj
lsp-types2100.020Haskell library for the Microsoft Language Server Protocol, data types (development, library, mit)2022-09-, PepeIborra, wz1000, luke_, jneira, michaelpj
ltiv1p1100.01Partial implementation of a service provider for LTI 1.1. (library, mit, network, web)2016-08-
lua2442.06Lua, an embeddable scripting language (foreign, library, mit)2023-03-172.3.1tarleb
lua-arbitrary730.01Arbitrary instances for Lua types. (foreign, library, mit)2023-03-
lua-bc110.01Lua bytecode parser (language, library, mit)2016-12-070.1.1EricMertens, galoisinc
luautils100.02Helpers for Haskell integration with Lua (library, mit, scripting)2015-06-250.1.4AnupamJain
lucid-cdn120.01Curated list of CDN imports for lucid. (library, mit, web)2020-10-
lucid-extras92.01Generate more HTML with Lucid - Bootstrap, Rdash, Vega-Lite, Leaflet JS, Email. (graphics, library, mit, web)2019-02-190.2.2glutamate, ocramz
lushtags40.01Create ctags compatible tags files for Haskell programs (development, mit, program)2011-09-200.0.1BitConnor
lye40.01A Lilypond-compiling music box (mit, program, sound)2013-01-
lz4-frame-conduit90.00Conduit implementing the official LZ4 frame streaming format (library, mit, program, web)2020-09-
mackerel-client140.01An API client library for Mackerel (library, mit, web)2020-07-180.3.0itchyny
maclight60.01Control screen and keyboard backlights on MACs under Linux (apple, library, mit, program)2014-06-
mail-pool130.00Preconfigured email connection pool on top of smtp. (email, library, mit, program)2020-12-032.2.3Jappie
mailchimp80.01Bindings for the MailChimp API (library, mit, web)2017-06-070.3.0jpvillaisaza
mailchimp-subscribe30.01MailChimp subscription request handler (mail, mit, program)2014-12-021.0mietek
make-monofoldable-foldable50.01Make a MonoFoldable type into an ordinary Foldable type. (data, library, mit)2017-03-
makefile300.01Simple Makefile parser and generator (library, mit, parsing)2017-10-
mallard150.00Database migration and testing as a library. (database, library, mit, program)2017-09-
mameya140.00Static Website Generator in Haskell (library, mit, program, web)2018-09-160.2.1bururabit
managed-functions60.03Remote Management Framework (library, mit, remote-management)2022-06-
managed-functions-http-connector30.01Simple HTTP-Based Connector for Managed Functions (http, library, mit, remote-management)2022-06-061.0.0martinbednar
managed-functions-json40.01JSON Support for the Managed Functions Framework (json, library, mit, remote-management)2022-06-061.0.0martinbednar
mandrill460.02Library for interfacing with the Mandrill JSON API (library, mit, network)2023-05-, OliverCharles
maquinitas-tidal190.00library for MIDI control of hardware (library, mit, sound)2022-11-230.2.17montoyamoraga
marihana110.00Minimal tool to make your blog in Haskell (library, mit, program, web)2018-04-
markdown-unlit560.04Literate Haskell support for Markdown (development, library, mit, program)2020-12-260.5.1SimonHengel
markov-processes50.01Hidden Markov processes. (ai, library, mit)2014-05-160.0.2vi
marmalade-upload130.01Upload packages to Marmalade (development, library, mit, program)2014-10-260.10lunaryorn
master-plan60.00The project management tool for hackers (library, mit, program, tools)2017-08-180.3.1rodrigosetti
matcher50.04A composable abstraction for checking or converting a context value (library, mit, unclassified)2016-04-
maude100.01An interface to the Maude rewriting system. (language, library, mit)2012-07-090.6.1DavidLazar
mcmaster-gloss-examples40.01 (graphics, mit, program)2014-04-072013yuriyt
mcmc-types141.755Common types for sampling. (library, math, mit, numeric)2016-12-041.0.3JaredTobin
mdcat70.01Markdown viewer in your terminal (library, mit, program, text)2015-03-
mdp60.00Tools for solving Markov Decision Processes. (algorithms, library, math, mit, program)2016-11-
mealstrom62.01Manipulate FSMs and store them in PostgreSQL. (control, database, library, mit)2021-01-
means50.01calculate varieties of mean/average using semigroup. (data, library, mit)2016-06-
medea70.00A schema language for JSON. (data, library, mit)2020-08-051.2.0koz_ross
mega-sdist400.01Handles uploading to Hackage from mega repos (distribution, mit, program)2022-10-
melody30.01A functional scripting language (language, library, mit, program)2014-01-100.2jozefg
memcache-conduit30.01Conduit library for memcache procotol (library, mit, network)2015-04-270.0.3junjihashimoto
memcache-haskell40.02Memcache procotol library (library, mit, network)2015-04-, junjihashimoto, yjkmy
memcached-binary100.03memcached client using binary protocol. (database, library, mit)2014-09-110.2.0HirotomoMoriwaki
memdb60.00Efficient in memory indexed database (database, library, mit)2019-07-
memis40.01Memis Efficient Manual Image Sorting (data, mit, program)2017-02-010.1.1johannesgerer
memo-ptr40.01Pointer equality memoization (control, library, mit)2015-05-310.1.0.0edofic
memoization-utils60.01Utilities for memoizing functions (control, library, mit)2015-11-
menoh100.00Haskell binding for Menoh DNN inference library (deep-learning, library, machine-learning, mit)2018-11-080.3.0MasahiroSakai
mercury-api80.00Haskell binding to Mercury API for ThingMagic RFID readers (hardware, library, mit, program)2019-01-
merge80.01A functor for consistent merging of information (data, library, mit)2021-09-
mergeful100.02 (library, mit, unclassified)2022-06-
mergeful-persistent60.00Support for using mergeful from persistent-based databases (library, mit, unclassified)2021-11-
mergeless190.02 (library, mit, unclassified)2022-06-
mergeless-persistent70.00Support for using mergeless from persistent-based databases (library, mit, unclassified)2021-11-
message-db-temp30.00Temporary message-db for integration testing (database, eventsourcing, eventstore, library, mit, testing)2022-07-
messagepack230.013Serialize instance for Message Pack Object (data, library, mit)2022-03-200.5.5rodrigosetti, saep
messagepack-rpc90.01Message Pack RPC over TCP (library, mit, network)2015-11-040.5.1rodrigosetti
messente70.01Messente SMS Gateway (api, library, mit)2015-04-
metric70.02Metric spaces. (data, library, mit)2014-05-300.2.0vi, SimonAlling
metrics170.01High-performance application metric tracking (data, library, mit)2017-08-
mezzo92.01Typesafe music composition (library, mit, music)2017-10-
mgeneric80.01Generics with multiple parameters (data, library, mit)2015-03-
mi30.01Multiple Instance for Haskell (language, library, mit)2014-02-280.0.1matt
microbase160.01A minimal base to work around GHC bugs. (library, mit, prelude)2021-01-
microgroove70.01Array-backed extensible records (library, mit, records)2018-02-
microlens-aeson910.06Law-abiding lenses for Aeson, using microlens. (library, mit, numeric)2022-03-192.5.0fosskers
microsoft-translator110.01Bindings to the Microsoft Translator API (library, mit, natural-language)2018-12-290.1.2Cliff_Harvey
mighty-metropolis130.01The Metropolis algorithm. (library, mit, numeric)2020-05-212.0.0JaredTobin
mime-mail1642.029Compose MIME email messages. (email, library, mit)2021-02-230.5.1DanielChoi, MichaelSnoyman, psibi, MarekSuchanek
mime-mail-ses470.01Send mime-mail messages via Amazon SES (library, mit, program, web)2020-09-040.4.3MichaelSnoyman, psibi, kindaro
mime-types2940.056Basic mime-type handling types and functions (library, mit, web)2022-09-
mini-egison100.01Template Haskell Implementation of Egison Pattern Matching (data, library, mit, pattern, program)2020-03-041.0.0SatoshiEgi, momohatt
miniforth50.01Miniature FORTH-like interpreter (language, library, mit, program)2015-03-
minilight160.01A SDL2-based graphics library, batteries-included. (graphics, library, mit, program)2020-05-050.5.0myuon
minilight-lua50.00A binding library of minilight for Lua langauge. (graphics, library, mit, program)2020-05-
minisat-solver100.02High-level Haskell bindings for the MiniSat SAT solver. (library, logic, mit)2016-10-240.1PeterSelinger
minlen40.01Express the minimum length of a container in its type (data, library, mit)2016-07-
misfortune190.03fortune-mod clone (console, game, library, mit, program, public-domain)2022-08-, ncfavier
mit-3qvpPyAi6mH230.00A git wrapper with a streamlined UX (cli, library, mit, program)2022-10-2611mitchellwrosen
miv170.00Vim plugin manager written in Haskell (compiler, mit, program)2021-01-170.4.8itchyny
mixed-strategies30.01Find optimal mixed strategies for two-player games (library, math, mit, program)2012-12-
mm2 (deprecated in favor of mmsyn2)40.00The library that can be used for optimization of multiple (Ord a) => a -> b transformations (binary-search, deprecated, development, library, mit)2019-09-
mmsyn2160.016The library that can be used for multiple (Ord a) => a -> b transformations (binary-search, development, library, mit)2021-03-
mmsyn2-array140.021A library that can be used for multiple Ord a => a -> b transformations. (binary-search, data, development, language, library, mit)2023-01-
mmsyn2-array-ukrainian-data40.01Data that is taken from the ukrainian-phonetics-basic-array for optimization. (data, language, library, math, mit)2023-01-310.2.0.0OleksandrZhabenko
mmsyn2-hashable30.00A library that can be used for multiple Hashable a => a -> b transformations. (data, development, language, library, mit)2021-10-310.1.0.0OleksandrZhabenko
mmsyn3141.2522A small library to deal with executable endings (library, mit, system)2023-02-
mmsyn4 (deprecated in favor of gvti)231.250The "glue" between electronic tables and GraphViz (GraphViz, deprecated, graphics, library, mit, program)2022-08-
mmsyn5250.011Various additional operations on lists (some with intermediate Monads) (data, library, lists, mit)2023-02-
mmsyn6ukr810.010A musical instrument synthesizer or a tool for Ukrainian language listening (Ukrainian, language, library, mit, program, speech-approximation)2020-11-
mmsyn6ukr-array170.00A musical instrument synthesizer or a tool for Ukrainian language listening (Ukrainian, language, library, mit, program, tts)2022-08-
mmsyn7h340.00Produces a sound recording specified by the Ukrainian text. (Ukrainian, language, library, mit, program, sound, sox, speech-approximation, speech-transformation, voice)2020-12-
mmsyn7l240.07Modifies the amplitudes of the sounds representations created by mmsyn7ukr-array and mmsyn7ukr packages. (Ukrainian, library, mit, program, sound, sox, speech-approximation, speech-transformation, voice)2022-08-
mmsyn7s310.06Shows 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-
mmsyn7ukr620.04A 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-
mmsyn7ukr-array70.00A simple reduced basic interface to some SoX functionality or to produce a voice that can be used by mmsyn7h-array, dobutokO2-array and other similar packages (language, library, mit, sound)2022-08-
mmsyn7ukr-common60.05Some common for mmsyn7ukr and mmsyn7ukr-array functionality using SoX. (Ukrainian, language, library, mit, sound, sox)2022-08-
mockazo40.00Mock records of functions easily (library, mit, testing)2019-07-020.1.1NickSeagull
mockery560.01Support functions for automated testing (library, mit, testing)2017-06-130.3.5SimonHengel, SoenkeHahn
mod1832.06Fast type-safe modular arithmetic (library, math, mit, number-theory)2023-02-
modular-prelude (deprecated)60.02A new Prelude featuring first class modules (control, deprecated, library, mit)2012-08-
modular-prelude-classy (deprecated)40.01Reifying ClassyPrelude a la ModularPrelude (control, deprecated, library, mit)2012-08-
mole80.01A glorified string replacement tool (mit, program, system)2020-05-020.0.7wereHamster
monad-bayes210.01A library for probabilistic programming. (library, mit, program, statistics)2022-11-061.1.0DominicSteinitz, turion
monad-classes (deprecated)122.07more flexible mtl (control, deprecated, library, mit)2018-05-
monad-gen230.04A simple monad for generating fresh integers (library, mit, utility)2014-12-
monad-levels60.01Specific levels of monad transformers (control, library, mit)2015-02-
monad-log60.01A simple and fast logging monad (development, library, mit)2016-04-
monad-logger4790.0219A class of monads which can log messages. (library, mit, system)2023-01-260.3.39MichaelSnoyman
monad-logger-aeson532.01JSON logging using monad-logger interface (library, mit, program, system)2023-04-
monad-logger-json70.01JSON-friendly Logging APIs (library, logging, mit)2015-03-310.1.0.0MichaelSnoyman, dysinger
monad-logger-logstash70.00Logstash backend for monad-logger. (library, mit, system)2021-11-
monad-logger-syslog130.01syslog output for monad-logger (library, logging, mit)2019-11-, MichaelSnoyman, dysinger, iamemhn
monad-markov50.01Markov process monad (control, library, mit)2018-06-
monad-metrics152.03A convenient wrapper around EKG metrics (library, mit, web)2020-12-
monad-open40.01Open recursion for when you need it (control, library, mit)2015-03-
monad-parallel-progressbar60.01Parallel execution of monadic computations with a progress bar (control, library, mit, monads, system, user-interfaces)2015-04-
monad-recorder70.01Record and replay the results of monadic actions (general, library, mit)2018-03-180.1.1harendra
monad-schedule90.00A new, simple, composable concurrency abstraction. (concurrency, library, mit)2022-06-
monad-timing50.01Monad transformer for recording timing events (control, library, mit)2016-06-
monad-tree80.00Tree data structure for nondeterministic computations. (control, library, mit)2021-11-
monad-unify120.02Generic first-order unification (library, mit, unification)2014-04-150.2.2PhilFreeman
monad-unlift (deprecated in favor of unliftio-core, unliftio, rio)160.06Typeclasses for representing monad transformer unlifting (control, deprecated, library, mit)2016-05-030.2.0MichaelSnoyman
monad-unlift-ref62.01Typeclasses for representing monad transformer unlifting (control, library, mit)2017-11-210.2.1MichaelSnoyman
monadic-bang30.00GHC plugin to desugar ! into do-notation (development, library, mit)2023-01-
monadlog40.01A simple and fast logging monad (development, library, mit)2017-11-
mondo (deprecated in favor of monzo)60.01Haskell bindings for the Mondo API (deprecated, library, mit, web)2016-04-
money40.01Money (finance, library, mit)2016-11-230.1.0jpvillaisaza
mongodb-queue200.01message queue using MongoDB (database, library, mit)2014-01-
mongrel2-handler110.01Mongrel2 Handler Library (library, mit, web)2011-08-060.3.2BardurArantsson
monitor50.01Do things when files change. (mit, program, system)2013-07-100.1.1MartinStensgard
mono-traversable3392.086Type classes for mapping, folding, and traversing monomorphic containers (data, library, mit)2021-09-, GregWeber, MichaelSnoyman
mono-traversable-instances600.02Extra typeclass instances for mono-traversable (data, library, mit)2020-07-
mono-traversable-wrapper60.01Wrapper providing Foldable instance for MonoFoldables. (data, library, mit)2017-02-
monoid-absorbing80.01A library for (left, right) zero monoids and backtracking with cut (algebra, library, mit)2015-10-
monoidal-functors92.00Monoidal Functors Library (categories, control, library, mit)2023-01-300.2.1.0solomon
monomer-flatpak-example510.00Monomer Flatpak Example Application. (flatpak, gui, mit, program)2023-05-
monomer-hagrid322.00A datagrid widget for the Monomer library. (gui, library, mit)2023-05-
monus-weighted-search42.00Efficient search weighted by an ordered monoid with monus. (data-structures, library, mit)2021-08-
monzo40.01Haskell bindings for the Monzo API (library, mit, web)2016-08-
more-containers250.01A few more collections (data-structures, library, mit)2021-04-
morley490.05Developer tools for the Michelson Language (language, library, mit, program)2023-03-301.19.1gromak, pasqu4le, serokell
morley-client150.02Client to interact with the Tezos blockchain (blockchain, library, mit, program)2023-03-300.3.1pasqu4le
morley-prelude192.06A custom prelude used in Morley (library, mit, prelude)2023-03-300.5.2gromak, pasqu4le, serokell
morley-upgradeable40.00Upgradeability infrastructure based on Morley. (language, library, mit, program)2021-04-020.3pasqu4le
morpheus-graphql1482.50Morpheus GraphQL (graphql, library, mit, web)2023-04-270.27.3nalchevanidze
morpheus-graphql-app760.03Morpheus GraphQL App (graphql, library, mit, web)2023-04-270.27.3nalchevanidze
morpheus-graphql-client812.250Morpheus GraphQL Client (client, graphql, library, mit, web)2023-04-270.27.3nalchevanidze
morpheus-graphql-core922.07Morpheus GraphQL Core (graphql, library, mit, web)2023-04-270.27.3nalchevanidze
morpheus-graphql-server460.02Morpheus GraphQL (graphql, library, mit, web)2023-04-270.27.3nalchevanidze
morpheus-graphql-subscriptions480.01Morpheus GraphQL Subscriptions (graphql, library, mit, subscriptions, web)2023-04-270.27.3nalchevanidze
morpheus-graphql-tests460.00Morpheus GraphQL Test (graphql, library, mit, test, web)2023-04-270.27.3nalchevanidze
morphisms50.03It's all about functions (control, data, library, mit)2019-01-040.1.1iokasimovmt
morphisms-functors120.01Functors, 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
moss90.00Haskell client for Moss (library, mit, web)2022-05-
moving-averages30.01This is a library for calculating moving averages on lists of numbers. (library, mathematics, mit)2017-05-
mpeff40.00Efficient effect handlers based on evidence-passing semantics (control, effect, library, mit)2021-08-
mqtt70.01An MQTT protocol implementation. (iot, library, mit, network)2017-03-
mr-env212.00A simple way to read environment variables in Haskell (library, mit, system)2022-11-
msh (deprecated in favor of hoop)70.01Object-Oriented Programming in Haskell (deprecated, language, library, mit)2015-10-
msu60.01Monitor Setup Utility (library, mit, program, unclassified)2021-10-
mtl-prelude270.011Reexports of most definitions from "mtl" and "transformers" (library, mit, prelude)2023-03-
mtl-uplift50.00Lift substacks of monad transformer stacks (control, library, mit)2022-01-
mtsl40.00Reified monad transformer stacks (control, library, mit)2020-09-
muesli60.01A simple document-oriented database (database, library, mit)2015-05-
multi-cabal40.00A tool supporting multi cabal project builds. (development, library, mit, program)2015-08-
multi-except160.00Multiple Exceptions (exceptions, library, mit)2021-06-
multi-trie40.01Trie of sets, as a model for compound names having multiple values (data, library, mit)2016-11-070.1vadimvinnik
multimap490.013A multimap. (data-structures, library, mit)2013-06-011.2.1JulianFleischer
multipath40.01Parser and builder for unix-path-like objects. (codec, library, mit)2016-11-
multiplate200.03Lightweight generic library for mutually recursive data types. (generics, lenses, library, mit)2015-09-270.0.3RussellOConnor
multiplate-simplified50.02Shorter, more generic functions for Multiplate. (generics, library, mit)2012-04-
murmur3190.03Pure Haskell implementation of the MurmurHash3 x86 algorithm (data, hash, library, mit, murmur, public-domain)2021-09-281.0.5PhilippeLaprade, jprupp
mustache-haskell90.01Straight implementation of mustache templates (library, mit, program, text)2014-12-
mutable-containers910.06Abstactions and concrete implementations of mutable containers (data, library, mit)2022-09-
mwc-probability380.014Sampling function-based probability distributions. (library, math, mit)2020-07-312.3.1JaredTobin, ocramz
mxnet70.02MXNet interface in Haskell. (library, machine-learning, mit)2017-10-
mxnet-examples50.01Examples for MXNet in Haskell. (machine-learning, mit, program)2017-10-
mxnet-nnvm (deprecated in favor of mxnet)50.01NNVM interface in Haskell. (deprecated, library, machine-learning, mit)2017-02-
myo60.00Haskell binding to the Myo armband (library, mit, program, system)2015-09-
mysql-effect70.01An extensible mysql effect using extensible-effects and mysql-simple (database, effect, library, mit)2014-06-
mystem30.00Bindings for Mystem morphological analyzer executabe (library, mit, natural-language-processing, program)2016-08-
mywatch100.01Web application to view and kill MySQL queries (databases, mit, program, web)2017-05-200.3.0ip1981
myxine-client60.00A Haskell client for the Myxine GUI server (gui, library, mit)2020-08-
nagios-check130.02Package for writing monitoring plugins (library, metrics, mit, monitoring, system)2015-09-010.3.2fractalcat
nagios-plugin-ekg50.00Monitor ekg metrics via Nagios (library, mit, program, system)2015-06-
named-binary-tag40.00NBT (named binary tag) serialization and deserialization. (data, library, mit)2022-10-
named-records150.01Flexible records with named fields. (data, library, mit, records)2013-05-260.5JulianFleischer
named-sop70.00Dependently-typed sums and products, tagged by field name (data, library, mit)2020-02-
namelist30.01fortran90 namelist parser/pretty printer (library, mit, text)2015-06-120.1.0HirotomoMoriwaki
names100.02Type level names. (data, library, mit, type-system)2013-04-020.3.1JulianFleischer
nano-erl92.01Small library for Erlang-style actor semantics (concurrency, library, mit)2016-01-
nanomsg-haskell120.03Bindings to the nanomsg library (library, mit, network)2019-01-160.2.4BenGamari, IvarNymoen
nanospec550.01A lightweight implementation of a subset of Hspec's API (library, mit, testing)2018-01-110.2.2SimonHengel
nat-optics90.00Refinement types for natural numbers with an optics interface (library, mit, numeric, optics)2022-08-, Monoid_Mary
nat-sized-numbers70.01Variable-sized numbers from type-level nats. (library, mit, numeric)2017-05-
ndjson-conduit140.01Conduit-based parsing and serialization for newline delimited JSON. (data, library, mit)2016-09-
neat40.01A Fast Retargetable Template Engine (library, mit, program, text)2014-02-080.1.0ajg
neat-interpolation1902.534A quasiquoter for neat and simple multiline text interpolation (library, mit, quasiqoutes, quasiquotes, string)2022-01-
needle60.01ASCII-fied arrow notation (control, library, mit)2014-09-
neither-data100.00The Neither datatype (data, library, mit)2022-03-
netpbm330.03Loading PBM, PGM, PPM image files (codec, graphics, library, mit)2021-02-281.0.4NiklasHambuechen, PatrickChilton
netrium50.00Contract normaliser and simulator (finance, library, mit, program)2018-02-010.6.0abrar
nettle180.02safe nettle binding (cryptography, library, mit)2018-06-160.3.0stbuehler
netwire-input190.03Input handling abstractions for netwire (game, library, mit)2018-03-090.0.7Mokosha
netwire-input-glfw210.01GLFW instance of netwire-input (game, library, mit)2020-03-140.0.11Mokosha
netwire-vinylglfw-examples50.01Netwire/GLFW/VinylGL input handling demo (game, mit, program)2016-10-221.0.0RandKleisli
network-address50.01IP data structures and textual representation (data, library, mit, network)2011-09-070.2.0SebastianNowicki
network-anonymous-i2p90.01Haskell API for I2P anonymous networking (library, mit, network)2015-03-260.10.0solatis
network-anonymous-tor110.00Haskell API for Tor anonymous networking (library, mit, network, program)2015-10-230.11.0solatis
network-arbitrary132.01Arbitrary Instances for Network Types (library, mit, testing)2020-12-
network-attoparsec140.03Utility functions for running a parser against a socket (library, mit, network, parsing)2015-03-150.12.2solatis
network-conduit-tls590.07Create TLS-aware network code with conduits (library, mit, network)2018-06-251.3.2MichaelSnoyman
network-enumerator (deprecated)110.06Enumerators for network sockets (data, deprecated, enumerator, library, mit)2012-11-250.1.5JohnMillikin
network-service30.01Provide a service at the data type level. (library, mit, network)2014-12-
network-transport-amqp30.01AMQP-based transport layer for distributed-process (aka Cloud Haskell) (library, mit, network)2015-04-
network-uri-json220.02FromJSON and ToJSON Instances for Network.URI (library, mit, network)2020-08-
network-uri-static140.01A small utility to declare type-safe static URIs (library, mit, network)2020-05-
network-voicetext30.01VoiceText Web API wrapper (library, mit, network)2017-12-
network-wai-router100.01A routing library for wai (library, mit, web)2014-08-
network-wait270.00Lightweight library for waiting on networked services to become available. (library, mit, network)2022-05-
neural112.00Neural Networks in native Haskell (library, machine-learning, mit, program)2017-07-
newtype-deriving90.01Instance derivers for newtype wrappers (control, library, mit, template-haskell)2016-05-020.1.4NikitaVolkov
ngrams-loader70.01Ngrams loader based on format (data, library, mit, program)2014-03-
niagra132.01High performance CSS EDSL (data, library, mit)2017-04-120.2.5natesymer
nice-html120.01A fast and nice HTML templating library with distinct compilation/rendering phases. (library, mit, web)2018-01-150.4.1MikeLedger
nicify70.04Pretty print the standard output of default `Show` instances. (mit, program, text, tools, utilities)2015-03-221.2.1JulianFleischer
nicify-lib220.02Pretty print the standard output of default `Show` instances. (library, mit, text, tools, utilities)2015-03-221.0.1JulianFleischer
niv350.00Easy dependency management for Nix projects (development, library, mit, program)2023-03-120.2.22nmattia
nixfromnpm110.01Generate nix expressions from npm packages. (mit, nix, program, tools)2016-07-140.10.1thinkpad20
nn60.01A tiny neural network (ai, library, mit)2018-04-060.2.0deepinside
noether50.00Math in Haskell. (library, math, mit, program)2017-06-250.0.1mrkgnao
noise50.01A friendly language for graphic design (library, mit, program, text)2013-05-210.0.1TomBrow
noli80.00A static site generator (library, mit, web)2020-07-
non-empty-text120.01Non empty Data.Text type (data, library, mit, nonempty, text)2022-03-160.2.0acatton, TrevisElser
nonempty-zipper120.01A non-empty comonadic list zipper (data, data-structures, library, mit)2022-03-311.0.0.4PatrickBrisbin, dukerutledge, mjgpy3, FreckleEngineering
nonfree90.01Free structures sans laws (debug, library, mit)2018-07-
not-prelude30.00An opinionated Prelude replacement library (library, mit, prelude)2021-08-
now-haskell30.00Zeit Now haskell-side integration and introspection tools. (library, mit, program, web)2019-08-
nqe190.02Concurrency library in the style of Erlang/OTP (control, library, mit, public-domain)2022-05-200.6.4jprupp
nth-prime70.01Computing the nth prime (mit, number-theory, program)2015-05-131.2JoeHurd
number60.01A library for real numbers (library, math, mit)2015-09-
number-wall80.00Create number walls and save them as images (algorithms, graphics, image, library, math, mit)2022-09-
numeric-qq70.02Quasi-quoters for numbers of different bases (library, mit, numeric, quasiquotes)2015-12-190.1.3NikitaVolkov
numeric-ranges40.01A framework for numeric ranges. (library, mit, numeric)2016-01-
nvfetcher200.00Generate nix sources expr for the latest version of packages (library, mit, nix, program)2023-05-
oauthenticated180.01Simple OAuth for http-client (library, mit, network, web)2022-03-300.3.0.0JosephAbrahamson, ibotty, dfithian
ochintin-daicho160.01A module to manage payroll books for Japanese companies. (business, library, mit)2018-09-
octane (deprecated in favor of rattletrap)690.00Parse Rocket League replays. (deprecated, game, library, mit, program)2017-10-240.20.3fozworth
octohat110.02A tested, minimal wrapper around GitHub's API. (library, mit, network, program)2015-08-, stackbuilders, sestrella
oden-go-packages80.01Provides Go package metadata. (language-tools, library, mit)2016-02-
odpic-raw240.01Oracle Database Bindings (database, ffi, library, mit, odpi-c, oracle, raw)2019-04-240.5.0leptonyu
ogmarkup (deprecated)171.52A lightweight markup language for story writers (deprecated, library, mit, web)2018-02-285.0lethom
oidc-client540.05OpenID Connect 1.0 library for RP (library, mit, web)2022-11-
om-actor (deprecated in favor of om-fork)40.00Actor pattern utilities. (concurrency, deprecated, library, mit)2020-03-
om-doh40.00om-doh (library, mit, unclassified)2021-04-
om-elm62.01Haskell utilities for building embedded Elm programs. (library, mit, web)2022-07-
om-fail40.00Monad transformer providing MonadFail. (library, mit, unclassified)2020-03-
om-fork40.01Concurrency utilities. (library, mit, unclassified)2022-10-
om-http30.01Http utilities. (library, mit, web)2022-10-
om-http-logging30.00om-http-logging (library, mit, web)2020-08-
om-kubernetes (deprecated in favor of kubernetes-client, haskell-kubernetes)30.00om-kubernetes (deprecated, library, mit, unclassified)2022-10-
om-legion30.00Legion Framework. (library, mit, network, program)2022-10-
om-logging40.01Opinionated logging utilities. (library, logging, mit)2022-10-
om-plugin-imports170.00Plugin-based import warnings (compiler-plugin, library, mit, program)2023-05-
om-show40.06Utilities for showing string-like things. (library, mit, text)2022-10-
om-socket30.01Socket utilities. (library, mit, network)2022-10-
om-time40.01Misc. time utilites (library, mit, unclassified)2022-10-
on-demand-ssh-tunnel70.01Program that sends traffic through SSH tunnels on-demand (library, mit, network, program)2015-02-
one-time-password150.02HMAC-Based and Time-Based One-Time Passwords (cryptography, library, mit)2016-06-112.0.0AlekseyUymanov
oneormore90.01A never-empty list type. (data, library, mit)2014-08-
onu-course50.01Code for the Haskell course taught at the Odessa National University in 2012 (education, library, mit)2012-09-201RomanCheplyaka
oops250.02Combinators for handling errors of many types in a composable way (datacontrol, library, mit)2023-04-
oops-examples40.00Oops examples (datacontrol, library, mit)2023-04-
opaleye-classy100.01Opaleye wrapped up in classy MTL attire. (database, library, mit)2015-08-300.3.1.1BenKolera
opc-xml-da-client52.00OPC XML-DA Client (library, mit, network)2022-02-090.1.2NikitaVolkov, olf, yan_shkurinsky
open-signals80.01A mechanism similar to checked exceptions that integrates with MTL and transformer stacks (control, library, mit)2016-04-
open-union120.04Extensible, type-safe unions. (data, library, mit, program)2018-04-
openapi-petstore50.00Auto-generated openapi-petstore API Client (library, mit, web)2019-03-
openapi3-code-generator190.00OpenAPI3 Haskell Client Code Generator (code-generator, library, mit, program)2021-12-, joel_fisch
opencc40.00OpenCC bindings (library, mit, text)2022-02-
opengl-dlp-stereo100.01Library and example for using DLP stereo in OpenGL (graphics, library, mit, program)2016-04-
opengl-spacenavigator90.01Library and example for using a SpaceNavigator-compatible 3-D mouse with OpenGL (graphics, library, mit, program)2016-04-
openpgp-asciiarmor170.03OpenPGP (RFC4880) ASCII Armor codec (codec, data, library, mit)2019-06-300.1.2ClintAdams
opensource90.01Haskell API Wrapper for the Open Source License API (library, mit, network)2018-10-
openssh-github-keys50.01Fetch OpenSSH keys from a GitHub team (library, mit, program, system)2015-04-, stackbuilders, sestrella
opentheory140.012The standard theory library (formal-methods, library, mit)2015-07-241.200JoeHurd
opentheory-bits100.03Natural number to bit-list conversions (formal-methods, library, mit)2015-10-191.69JoeHurd
opentheory-byte90.01Bytes (formal-methods, library, mit)2015-10-191.128JoeHurd
opentheory-char (deprecated in favor of opentheory-unicode)90.01Unicode characters (deprecated, library, mit, program, text)2012-11-101.41JoeHurd
opentheory-divides180.02The 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-parser110.03Stream parsers (library, mit, parsing)2015-10-191.160JoeHurd
opentheory-prime110.02Prime natural numbers (library, mit, number-theory)2015-10-191.85JoeHurd
opentheory-primitive160.013Haskell 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-stream100.02Infinite stream types (library, list, mit)2015-10-191.49JoeHurd
opentheory-unicode130.02Unicode characters (library, mit, text)2015-10-191.142JoeHurd
opentok80.01An OpenTok SDK for Haskell (library, mit, web, webrtc)2018-09-070.0.5adrice727
operate-do40.01Simple project template from stack (library, meta, mit)2016-11-090.1.0mizunashi_mana
operational-class120.01MonadProgram typeclass for the operational package (control, library, mit)2015-07-
optima310.02Simple command line interface arguments parser (cli, library, mit, options, parsing)2023-05-
optima-for-hasql50.00Command-line arguments parsing for Hasql (command-line, hasql, library, mit, options)2022-09-010.2NikitaVolkov
option60.01A strict version of Maybe (data, library, mit)2016-01-
options320.010A powerful and easy-to-use command-line option parser. (console, library, mit)2015-01-
options-time50.01Command-line option types for dates and times. (console, library, mit)2014-12-151.0.1JohnMillikin
optparse-applicative-simple120.01Simple command line interface arguments parser (cli, library, mit, options, parsing)2019-07-
optparse-declarative132.250Declarative command line option parser (library, mit, system)2021-06-240.4.2HideyukiTanaka, kakkun61
ordering-util80.00Utilities for Orderings (data, library, mit)2022-07-
ory-hydra-client160.00Auto-generated ory-hydra-client API Client (library, mit, network, oauth, web)2023-03-182.0.3BorisLykah
oset80.00An insertion-order-preserving set (command-line, library, mit, program)2019-02-
ot100.01Real-time collaborative editing with Operational Transformation (library, mit, text)2015-10-
outsort30.00External sorting package based on Conduit (algorithms, mit, program)2019-07-110.1.0luispedro
overhang52.251Hang loose with your lambdas! (combinators, functions, library, mit, utility)2018-02-021.0.0jship
overload110.01Finite overloading (control, library, mit)2018-03-
overture (deprecated in favor of flow)80.01An alternative to some of the Prelude. (deprecated, library, mit, prelude)2015-03-310.0.5fozworth
owoify-hs40.00Turn any English text into nonsensical babyspeaks. (library, mit, text)2021-10-
package-description-remote60.01Fetches a 'GenericPackageDescription' from Hackage (library, mit, web)2015-11-
paddle30.00API to the Paddle payment processor (library, mit, web)2020-12-
padic30.00Fast, type-safe p-adic arithmetic (library, math, mit, number-theory)2022-02-
pads-haskell60.01PADS data description language for Haskell. (language, library, mit)2019-06-
pagarme (deprecated)30.01Pagarme API wrapper (deprecated, library, mit, program, web)2015-03-
pairing202.02Bilinear pairings (cryptography, library, mit)2020-04-281.1.0sdiehl
pandoc-csv2table170.00Convert CSV to Pandoc Table Markdown (library, mit, program, text)2021-03-141.0.9baig, vmandela
pandoc-highlighting-extensions (deprecated)40.00Syntax highlighting customization for Pandoc (deprecated, library, mit, text)2019-02-, Monoid_Mary
pandoc-include130.01Include other Markdown files (library, mit, program, text)2015-12-080.0.1steindani
pandoc-lua-marshal2980.02Use pandoc types in Lua (foreign, library, mit)2023-03-150.2.2JohnMacFarlane, tarleb
pandoc-markdown-ghci-filter40.00Pandoc-filter to evaluate `code` section in markdown and auto-embed output. (documentation, filter, library, mit, program, text)2019-07-
pandoc-plantuml-diagrams60.00Render and insert PlantUML diagrams with Pandoc (library, mit, program, text)2021-02-
pandoc-sidenote510.01Convert Pandoc Markdown-style footnotes into sidenotes (commandline, library, mit, program)2023-05-
pandoc-throw60.02MonadThrow behaviour for Pandoc. (library, mit, text)2020-09-
pandoc-unlit (deprecated in favor of markdown-unlit)50.01Literate Haskell support for GitHub's Markdown flavor (deprecated, development, mit, program)2012-07-150.1.0SimonHengel
pandoc-utils120.00Utility functions to work with Pandoc in Haskell applications. (library, mit, text)2020-05-250.7.1Krasjet
pandora510.01A box of patterns and paradigms (control, data, library, mit)2022-05-290.5.6iokasimovmt
pandora-io70.00... (control, data, library, mit)2022-04-160.5.4iokasimovmt
pansite50.00Pansite: a simple web site management tool (library, mit, program, web)2018-04-
paranoia30.00http proxy server (library, mit, program, web)2016-05-
paripari120.00Parser combinators with fast-path and slower fallback for error reporting (library, mit, program, text)2020-06-
parsec-class140.02Class of types that can be constructed from their text representation (library, mit, text)2018-07-
parsec-free130.01Parsec API encoded as a deeply-embedded DSL, for debugging and analysis (library, mit, text)2023-03-
parsec-pratt40.00Pratt Parser combinator for Parsec (library, mit, program, text)2016-08-020.1.1jh3141
parsec-trace40.01Add a hierarchical trace to Parsec parsers. (library, mit, parsing)2015-11-
parseerror-eq50.01Adds and Eq instance for Parsec's ParseError if needed (library, mit, text)2015-04-, sestrella
partial70.01A nullary type class for partial functions (control, library, mit)2017-11-
partial-handler120.02A composable exception handler (error-handling, exceptions, failure, library, mit)2018-02-121.0.3NikitaVolkov
partial-lens (deprecated in favor of data-lens)50.01Haskell 98 Partial Lenses (comonads, control, deprecated, library, mit)2011-12-210.0.1RussellOConnor
passwords120.01Password generation/validation library (cryptography, library, mit)2015-04-
pasta-curves52.00Provides the Pasta curves: Pallas, Vesta and their field elements Fp and Fq. (cryptography, elliptic-curves, library, mit, program)2022-08-310.0.1.0eschorn
path-binary-instance100.01Binary instance for Path. (filesystem, library, mit)2020-08-
path-dhall-instance130.04ToDhall and FromDhall instances for Path. (filesystem, library, mit)2020-10-
path-extensions90.01Enumeration of common filetype extensions for use with the path library. (filesystem, library, mit)2020-07-
path-formatting40.01Formatting for path (library, media, mit)2021-07-
path-like110.02PathLike, FileLike and DirLike type classes for the Path library. (filesystem, library, mit)2020-08-
path-tree50.01`Data.Tree` for file paths (data-structures, library, mit)2022-04-
path-utils80.03Handful of simple utility functions for the path library. (filesystem, library, mit)2020-09-
pathfinding60.01pathfinding in grid and graphs (algorithm, library, mit)2015-04-
pathwalk220.04Path walking utilities for Haskell programs (library, mit, system)2015-10-, Xena
patrol370.00Sentry SDK (exceptions, library, mit)2023-04-
patronscraper40.01A webpage scraper for Patreon which dumps a list of patrons to a text file. (mit, program, web)2015-02-
pattern-arrows312.02Arrows for Pretty Printing (combinators, library, mit, pretty-printer, text)2014-03-290.0.2PhilFreeman
paypal-adaptive-hoops (deprecated)180.01Client for a limited part of PayPal's Adaptive Payments API (deprecated, library, mit, program, web)2015-12-
paypal-rest-client60.01A client to connect to PayPal's REST API (v1) (library, mit, network)2016-12-300.1.0meoblast001
pcf80.01A one file compiler for PCF (compiler, library, mit)2015-04-
pdc50.01Fedora Product Definition Center service (library, mit, network)2021-12-270.1.1JensPetersen
pdfname120.01Name a PDF file using information from the pdfinfo command (mit, pdf, program)2017-07-300.3AndresSicardRamirez
pedersen-commitment (deprecated in favor of elliptic-curve)90.01An implementation of Pedersen commitment schemes (cryptography, deprecated, library, mit)2018-04-240.2.0sdiehl
pell70.01Package to solve the Generalized Pell Equation. (algorithms, library, math, mit, number-theory)2019-11-
penrose110.01Create beautiful diagrams just by typing mathematical notation in plain text. (library, mit, program, unclassified)2019-07-
peregrin130.01Database migration support for use in other libraries. (database, library, mit)2022-06-160.3.3BardurArantsson
periodic-polynomials70.00A library for working with periodic polynomials (very basic functionality) (library, math, mit)2020-06-
persistent8962.5145Type-safe, multi-backend data serialization. (database, library, mit, yesod)2023-03-, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-database-url62.01Parse DATABASE_URL into configuration types for Persistent (database, library, mit)2016-04-221.1.0jferris, jsteiner
persistent-event-source (deprecated in favor of persistent-eventsource)30.00Persistent based event sourcing. (database, deprecated, library, mit)2023-01-180.1.0Jappie
persistent-eventsource30.00Persistent based event sourcing. (database, library, mit)2023-01-200.2.0Jappie
persistent-lens40.00lens helpers for persistent. (database, library, mit)2022-01-261.0.0Jappie
persistent-mongoDB1040.04Backend for the persistent library using mongoDB. (database, library, mit)2022-03-, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt, aschmois
persistent-mysql1120.04Backend for the persistent library using MySQL database server. (database, library, mit, yesod)2023-01-, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-mysql-haskell210.00A pure haskell backend for the persistent library using MySQL database server. (database, library, mit, program, yesod)2019-12-280.6.0naushadh
persistent-odbc130.02Backend for the persistent library using ODBC (database, library, mit, yesod)2021-01-
persistent-postgresql2572.028Backend for the persistent library using postgresql. (database, library, mit, yesod)2023-03-, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-qq430.01Provides a quasi-quoter for raw SQL for persistent (database, library, mit, yesod)2022-10-, parsonsmatt
persistent-ratelimit90.01A library for rate limiting activities with a persistent backend. (database, library, mit)2017-05-
persistent-spatial50.00Database agnostic, spatially indexed type for geographic points. (database, geography, library, mit)2019-01-
persistent-sqlite3500.028Backend for the persistent library using sqlite3. (database, library, mit, yesod)2023-01-, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-template2320.048Type-safe, non-relational, multi-backend persistence. (database, library, mit, yesod)2021-03-302.12.0.0FelipeLessa, GregWeber, MichaelSnoyman, psibi, paulrouse, MaxGabriel, parsonsmatt
persistent-test470.01Tests for Persistent (database, library, mit, yesod)2022-04-, MaxGabriel, parsonsmatt
pg-entity120.00A pleasant PostgreSQL layer (database, library, mit)2023-01-
pg-extras42.00PostgreSQL database performance insights. (database, library, mit)2020-11-290.0.1pawurb
pgvector40.00pgvector support for Haskell (database, library, mit)2023-04-120.1.0ankane
phatsort160.00FAT filesystem sort utility (library, mit, program, utils)2023-05-
phladiprelio-general-shared50.01A shared by different general implementations of the PhLADiPreLiO functionality. (data, language, library, math, mit)2023-03-
phladiprelio-general-simple480.00A generalized functionality of PhLADiPreLiO for different languages that uses hash algorithms. (language, library, math, mit, music)2023-05-
phladiprelio-rhythmicity-shared40.03Allows to estimate some kind of the rhythmicity properties for the text (language, library, math, mit, music)2023-03-
phladiprelio-ukrainian-shared40.00A shared by different Ukrainian implementations of the PhLADiPreLiO functionality. (data, language, library, math, mit)2023-03-
phladiprelio-ukrainian-simple730.00A PhLADiPreLiO implementation for Ukrainian that uses hashes (language, math, mit, music, program)2023-05-
phonetic-languages-basis60.09A 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-
phonetic-languages-constaints (deprecated in favor of phonetic-languages-constraints)60.00Constraints to filter the needed permutations (deprecated, language, library, math, mit, phonetic-languages)2020-11-
phonetic-languages-constraints60.02Constraints to filter the needed permutations (language, library, math, mit)2020-11-
phonetic-languages-constraints-array940.04Constraints to filter the needed permutations (language, library, math, mit, phonetic-languages)2023-05-
phonetic-languages-examples200.00A generalization of the uniqueness-periods-vector-examples functionality. (Ukrainian, game, language, library, math, mit, phonetic-languages, program)2021-02-
phonetic-languages-filters-array80.02Allows to change the structure of the function output. (RealFrac, data, filters, library, mit)2023-01-310.6.0.0OleksandrZhabenko
phonetic-languages-general60.00A generalization of the uniqueness-periods-vector-general functionality. (language, library, mit, phonetic-languages)2020-11-
phonetic-languages-permutations50.01Commonly used versions of the phonetic-languages-common package (game, language, library, math, mit, phonetic-languages)2020-11-
phonetic-languages-permutations-array110.05Permutations and universal set related functions for the phonetic-languages series (game, language, library, math, mit, phonetic-languages)2023-01-300.4.0.0OleksandrZhabenko
phonetic-languages-phonetics-basics340.05A library for working with generalized phonetic languages usage. (game, language, library, math, mit, phonetic-languages, phonetics, program, writing-systems)2023-02-
phonetic-languages-plus160.03Some common shared between different packages functions. (game, language, library, math, mit, phonetic-languages, program)2023-02-
phonetic-languages-properties90.01A generalization of the uniqueness-periods-vector-properties package. (Ukrainian, language, library, mit, phonetic-languages)2021-02-
phonetic-languages-rhythmicity330.09Allows to estimate the rhythmicity properties for the text (coherency, data, game, language, library, math, mit, phonetic-languages, polyrhythmicity, rap)2023-03-
phonetic-languages-simplified-base180.09A basics of the phonetic-languages functionality that can be groupped. (game, language, library, math, mit, phonetic-languages)2023-02-
phonetic-languages-simplified-common110.04A simplified version of the phonetic-languages-functionality (game, language, library, math, mit, phonetic-languages)2020-12-
phonetic-languages-simplified-examples-array630.00Helps 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-
phonetic-languages-simplified-examples-common220.01Some commonly used by phonetic-languages-simplified* series functions. (Ukrainian, game, language, library, math, mit, phonetic-languages)2023-03-
phonetic-languages-simplified-generalized-examples-array460.00Helps 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-
phonetic-languages-simplified-generalized-examples-common160.01Some common code for phonetic languages generalized functionality. (game, language, library, math, mit, phonetic-languages, phonetics, writing-systems)2023-03-
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-
phonetic-languages-simplified-lists-examples100.00Simplified and somewhat optimized version of the phonetic-languages-examples. (Ukrainian, game, language, library, math, mit, phonetic-languages, program)2021-02-
phonetic-languages-simplified-properties-array360.02Some properties of the data related to rhythmicity. (Ukrainian, game, language, library, math, mit, phonetic-languages)2023-03-
phonetic-languages-simplified-properties-array-common90.03Common functionality for 'with-tuples' and old version of properties. (game, language, library, math, mit)2023-03-
phonetic-languages-simplified-properties-array-old30.00Some 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)90.01A generalization of the uniqueness-periods-vector-properties package. (Ukrainian, deprecated, language, library, mit, phonetic-languages)2021-02-
phonetic-languages-simplified-properties-lists-double40.02A generalization of the uniqueness-periods-vector-properties package. (language, library, math, mit)2021-02-
phonetic-languages-ukrainian80.01Prepares Ukrainian text to be used as a phonetic language text (Ukrainian, game, language, library, mit, phonetic-languages)2020-11-
phonetic-languages-ukrainian-array220.02Prepares Ukrainian text to be used as a phonetic language text (Ukrainian, game, language, library, mit, phonetic-languages, program)2023-02-
phonetic-languages-vector30.02A generalization of the functionality of the uniqueness-periods-vector package. (language, library, mit, phonetic-languages)2020-10-300.1.0.0OleksandrZhabenko
pianola (deprecated)60.01Remotely controlling Java Swing applications (deprecated, gui, jvm, library, mit)2013-09-160.1.1DanielDiazCarrete
pickle62.00Instant StatsD in Haskell (library, mit, unclassified)2020-08-
picologic90.01Utilities for symbolic predicate logic expressions (library, logic, mit)2017-01-040.3.0sdiehl
picosat142.03Bindings to the PicoSAT solver (library, logic, mit)2019-12-300.1.6sdiehl
pid1180.01Do signal handling and orphan reaping for Unix PID1 init processes (library, mit, program, system)2022-11-, psibi
pinboard590.02Access to the Pinboard API (library, mit, network-apis)2022-05-
pipes-cereal-plus (deprecated)100.02A streaming serialization library on top of "pipes" and "cereal-plus" (deprecated, library, mit, pipes, serialization)2014-10-190.4.0NikitaVolkov
pipes-csv290.02Fast, streaming csv parser (csv, library, mit, pipes)2015-11-261.4.3GabrielGonzalez, WilliamCasarin
pipes-kafka40.01Kafka in the Pipes ecosystem (library, mit, network)2017-09-
pipes-mongodb80.01Stream results from MongoDB (database, library, mit)2015-06-
pipes-postgresql-simple (deprecated in favor of streaming-postgresql-simple, streaming-utils)150.01Convert various postgresql-simple calls to work with pipes (database, deprecated, library, mit, pipes)2017-02-
pipes-wai100.03A port of wai-conduit for the pipes ecosystem (library, mit, pipes, web)2016-01-083.2.0IanDuncan
pit70.01Account management tool. (library, mit, program, tools)2014-09-270.3.1chiro
pitchtrack40.01Pitch tracking library (library, mit, sound)2015-10-
pixelated-avatar-generator80.00A library and application for generating pixelated avatars. (graphics, image, library, mit, program)2016-08-130.1.3ExcaliburZero
piyo50.00Haskell game engine like fantasy console. (game, library, mit, program)2018-08-
pkcs760.01PKCS #7 padding in Haskell (crypto, library, mit)2015-08-
plex40.01run a subprocess, combining stdout and stderr (library, mit, system)2018-04-
plocketed50.01plot data from stdin through socketed (mit, program, web)2017-04-
plotlyhs130.01Haskell bindings to Plotly.js (charts, graphics, library, mit)2022-11-230.2.3glutamate, JonathanReeve
plotserver-api80.01Plotserver API (api, library, mit)2014-01-040.22dtorok
plow-log50.03Contravariant logging library (library, logging, mit)2022-11-, sidk
plow-log-async50.01Async IO tracer for plow-log (library, logging, mit)2022-11-
pocket50.01Bindings for the Pocket API (library, mit, web)2020-05-300.3.0jpvillaisaza
poker32.00Texas holdem hand evaluation and simulation. (game, library, mit, poker, program, simulation)2021-08-
pokitdok (deprecated)70.01PokitDok Platform API Client for Haskell (api, deprecated, library, mit)2015-03-
polydata70.01Wrap together data and it's constraints. (data, library, mit)2017-10-
polysemy-extra170.05Extra Input and Output functions for polysemy. (library, mit, polysemy)2022-09-
polysemy-fskvstore100.01Run a KVStore as a filesystem in polysemy. (library, mit, polysemy)2022-12-
polysemy-kvstore100.04KVStore effect for polysemy. (library, mit, polysemy)2022-08-
polysemy-kvstore-jsonfile70.00Run a KVStore as a single json file in polysemy. (library, mit, polysemy)2021-07-
polysemy-methodology230.05Domain modelling algebra for polysemy (library, mit, polysemy)2022-09-
polysemy-methodology-co-log40.00Logging functions for polysemy-methodology. (library, mit, polysemy)2021-07-
polysemy-methodology-composite80.02Functions for using polysemy-methodology with composite. (composite, library, mit, modelling, polysemy, polysemy-vinyl-composite, vinyl)2020-11-
polysemy-path60.01Polysemy versions of Path functions. (library, mit, polysemy)2021-07-
polysemy-several60.02Run several effects at once, taken from the polysemy-zoo. (library, mit, polysemy)2022-09-
polysemy-socket60.00Socket effect for polysemy. (library, mit, polysemy)2021-07-300.0.2.0locallycompact
polysemy-uncontrolled70.00Uncontrolled toy effect for polysemy. (library, mit, polysemy)2022-10-
polysemy-video80.01Experimental video processing DSL for polysemy. (library, mit, polysemy, video, video-polysemy)2021-07-
polysemy-vinyl80.03Functions for mapping vinyl records in polysemy. (library, mit, polysemy-vinyl)2021-07-
pomaps170.01Maps and sets of partial orders (data-structures, library, mit)2021-02-
ponder40.01PEG parser combinator (library, mit, parsing)2014-03-060.0.1matt
pool-conduit (deprecated in favor of resource-pool)160.018Resource pool allocations via ResourceT. (deprecated) (conduit, database, deprecated, library, mit, yesod)2014-04-
popkey80.00Static key-value storage backed by poppy (data, library, mit)2022-05-
populate-setup-exe-cache40.01Empty Cabal package (distribution, library, mit)2014-11-271.0mietek
porcupine-core42.02Express portable, composable and reusable data tasks and pipelines (arrows, combinators, control, data, json, library, mit, numerical, pipes, program, streaming)2019-10-
porcupine-http40.00A location accessor for porcupine to connect to HTTP sources/sinks (arrows, combinators, control, data, library, mit, program, web)2019-10-
porcupine-s330.00A location accessor for porcupine to connect to AWS S3 sources/sinks (arrows, aws, cloud, combinators, control, data, library, mit, program)2019-10-
porpoise30.00A minimalist HTTP server framework written on top of wai (control, library, mit, program)2020-10-
portable-template-haskell-lens40.02Lenses for the AST of Template Haskell 2.11 and Template Haskell < 2.11 (language, library, mit)2016-10-, bandali
posix-waitpid30.02Low-level wrapping of POSIX waitpid(2). (library, mit, system)2010-10-260.1RichardSmith, kriztw
posplyu50.00Sleep tracker for X11, using XScreenSaver extension and manual input. (mit, program, tools)2022-08-
postgres-embedded140.01Library for easily running embedded PostgreSQL server for tests. (lib, library, mit)2018-02-180.2.0ilya_murzinov
postgresql-binary1560.011Encoders and decoders for the PostgreSQL's binary format (codecs, database, library, mit, parsing, postgresql)2022-09-250.13.1NikitaVolkov
postgresql-cube50.01Cube support for postgresql-simple (database, library, mit)2015-07-
postgresql-error-codes260.02PostgreSQL error codes (database, error-handling, library, mit, postgresql)2017-01-181.0.1NikitaVolkov
postgresql-simple-sop140.02Generic functions for postgresql-simple (library, mit, unclassified)2015-10-270.2glutamate
postgresql-simple-url210.01Parse postgres:// url into ConnectInfo (database, library, mit)2018-03-
postgresql-syntax610.02PostgreSQL AST parsing and rendering (database, library, mit, parsing, postgresql)2022-04-250.4.1NikitaVolkov
postgresql-transactional102.251a transactional monad on top of postgresql-simple (database, library, mit)2016-05-091.1.1patrick_thomson
postgrest472.52REST API for any Postgres database (executable, library, mit, network-apis, postgresql, program)2022-07-129.0.1begriffs, steve_chavez
potoki530.07Simple streaming in IO (library, mit, streaming)2019-01-, effectfully, IrinaArtemeva, vlastachu, OShev
potoki-cereal190.03Streaming serialization (library, mit, potoki, streaming)2018-09-250.3.2NikitaVolkov, IrinaArtemeva, vlastachu, OShev
potoki-conduit60.00Integration of "potoki" and "conduit" (conduit, library, mit, potoki, streaming)2019-01-160.1NikitaVolkov
potoki-core710.07Low-level components of "potoki" (library, mit, streaming)2019-01-, IrinaArtemeva, vlastachu, OShev
potoki-hasql110.01Integration of "potoki" and "hasql". (database, library, mit, streaming)2018-06-191.6NikitaVolkov, effectfully, IrinaArtemeva, vlastachu, OShev
potoki-zlib50.01Streaming ZLib decompression (compression, library, mit, potoki, streaming, zlib)2018-06-210.3IrinaArtemeva
powermate60.01bindings for Griffin PowerMate USB (hardware, library, mit, program, system)2017-01-101.0EvanMartin, GwernBranwen, ppelleti
pprecord50.00A library for pretty printing Records (library, mit, text)2020-01-
pptable122.02Pretty Print containers in a tabular format (library, mit, text)2018-03-
preamble710.05Yet another prelude. (library, mit, prelude)2018-10-110.0.65markfine
precursor30.01Prelude replacement (library, mit, prelude)2016-10-
predicate-class60.04Helper class for passing context along a predicate value (data, library, mit)2018-03-
prefork50.01A library for building a prefork-style server quickly (library, mit, system)2014-10-080.0.9ikehara, junjihashimoto
pregame180.02Prelude for applications (library, mit, prelude)2016-12-
prelude-prime (deprecated)40.01A slightly better (but conservative) Prelude (deprecated, library, mit, prelude)2013-05-230.1RomanCheplyaka
preprocessor50.01Remove cpp annotations to get the source ready for static analysis. (cpp, library, mit, source-code-analysis)2016-09-
pretty-html70.00Produce nice human-readable HTML (html, library, mit)2023-01-, Monoid_Mary
pretty-relative-time110.02Pretty relative time (library, mit, time)2021-11-
pretty-show2602.590Tools for working with derived `Show` instances and generic inspection of values. (library, mit, program, text)2020-01-301.10IavorDiatchki
pretty-show-ansi-wl120.00Like pretty-show, but only for ansi-wl-pprint (library, mit, text)2018-11-301.9.2.1LiamOConnorDavis
prim130.00An ergonomic but conservative interface to ghc-prim (library, mit, prelude)2020-04-
primesieve70.00FFI bindings for the primesieve library. (algorithms, foreign, library, math, mit, number-theory, program)2017-09-
primitive-extras2550.03Extras for the "primitive" library (library, mit, primitive)2023-02-
print-info60.02Can be used to coordinate the printing output. (data, library, mit)2020-09-
private-hackage-uploader32.00Upload a package to the public or private hackage, building its docs (library, mit, system)2017-10-
proc-net50.01Parse /proc/net/{tcp,tcp6,udp,udp6} (library, mit, network)2016-08-
process-extras1860.025Process extras (library, mit, system)2018-02-030.7.4DavidFox, DavidLazar
process-listlike (deprecated in favor of process-extras)100.05Process extras (deprecated, library, mit, system)2014-12-041.0DavidFox
process-sequential70.01A test suite for the complex multi files multi level processment. (library, mit, system, testing)2022-08-
procex130.00Ergonomic process launching with extreme flexibility and speed (library, mit, shell, system)2022-08-290.3.3las
proctest200.01An IO library for testing interactive command line programs (library, mit, program, testing)2012-08-
producer40.01Simple streaming datatype (education, library, mit)2017-10-
prof-flamegraph40.00Generate flamegraphs from ghc RTS .prof files (mit, program, testing)2018-11-191.0.0fommil
profunctor-monad50.00Monadic bidirectional programming (control, library, mit)2022-05-, SamFrohlich
project-m36212.00Relational Algebra Engine (library, mit, program, public-domain, relational-algebra)2022-11-050.9.6agentm
projectile40.01Go to (library, mit, todo)2017-08-
projectroot120.01Bindings to the projectroot C logic (library, mit, system)2015-12-
prolude412.00ACI Learning's custom prelude (library, mit, prelude)2023-01-, saramuse
prompt140.01Monad (and transformer) for deferred-effect pure prompt-response queries (control, library, mit)2016-05-
proof-assistant-bot50.00Telegram bot for proof assistants (dependent-types, library, mit, program)2023-02-070.2.1swamp_agr
proof-combinators30.01Proof Combinators used in Liquid Haskell for Theorem Proving (library, mit, theorem-proving)2018-03-, nikivazou
protobuf-simple170.01Simple Protocol Buffers library (proto2) (data, library, mit, program)2021-07-
protolude3152.5115A small prelude. (library, mit, prelude)2023-02-160.3.3sdiehl, adamwespiser
proxy40.01proxy helpers (data, library, mit)2018-05-
prune-juice100.00Prune unused Haskell dependencies (development, library, mit, program)2021-11-120.7dfithian
psc-ide (deprecated in favor of purescript)112.00Language support for the PureScript programming language (deprecated, development, library, mit, program, purescript)2016-02-020.6.1kritzcreek
psi40.01Yet another custom Prelude. (library, mit, prelude)2016-10-
psql-helpers50.01A small collection of helper functions to generate postgresql queries (library, mit, web)2016-03-
ptr560.07Experimental abstractions for operations on pointers (data, library, mit, ptr)2022-10-
ptr-poker370.01Pointer poking action construction and composition toolkit (library, mit, unclassified)2023-03-
publicsuffix510.01The publicsuffix list exposed as proper Haskell types (data, library, mit)2020-05-260.20200526wereHamster
publish120.00Publishing tools for papers, books, and presentations (mit, program, text)2023-02-132.5.3AndrewCowie
pubnub90.01PubNub Haskell SDK (api, cloud, library, mit, program)2014-05-051.1.1tsloughter
pugixml90.01pugixml binding. (library, mit, text, xml)2016-11-050.3.3NeilMitchell, HirotomoMoriwaki
pulse50.01Synchronize actions to a time pulse (concurrency, library, mit)2016-06-
punkt60.01Multilingual unsupervised sentence tokenization with Punkt. (library, mit, natural-language-processing, text)2014-10-170.1.1bryant
purescript-bundle-fast50.01A fast alternative to Purescript's `psc-bundle` to be used during development (development, mit, program)2015-07-310.1.0.1BitConnor
push-notify60.03A server-side library for sending push notifications. (cloud, library, mit, mobile, network)2014-03-
push-notify-ccs60.02A server-side library for sending/receiving push notifications through CCS (Google Cloud Messaging). (cloud, library, mit, mobile, network)2014-03-
push-notify-general60.01A general library for sending/receiving push notif. through dif. services. (cloud, library, mit, mobile, network)2014-03-
pushbullet-types110.01Datatypes used by the Pushbullet APIs (library, mit, web)2018-03-
pusher-haskell40.01A client written in Haskell (library, mit, web)2015-07-
pusher-http-haskell682.01Haskell client library for the Pusher Channels HTTP API (library, mit, network)2023-04-
pusher-ws60.01Implementation of the Pusher WebSocket protocol (library, mit, network)2017-11-
puzzle-draw120.01Creating graphics for pencil puzzles. (graphics, library, mit, program)2018-07-
puzzle-draw-cmdline (deprecated in favor of puzzle-draw)120.01Creating graphics for pencil puzzles, command line tools. (deprecated, graphics, mit, program)2014-04-
pvss60.00Public Verifiable Secret Sharing (crypto, mit, program)2017-08-010.2.0VincentHanquez
pyffi30.01Call python inline from haskell (language, library, mit)2014-11-
pyfi70.01Call python inline from haskell (language, library, mit)2014-11-
qhs40.00Command line tool qhs, SQL queries on CSV and TSV files. (console, mit, program)2020-10-030.3.3itchyny
qq-literals120.01Compile-time checked literal values via QuasiQuoters. (library, mit, unclassified)2021-09-
qrcode-core500.03QR code library in pure Haskell (codec, library, mit)2023-04-300.9.8alexkazik
qrcode-juicypixels290.02Converts a qrcode-core image to JuicyPixels (graphics, library, mit)2023-04-230.8.5alexkazik
quadratic-irrational150.01An implementation of quadratic irrationals (algorithms, data, library, math, mit)2020-04-150.1.1ion, Bodigrim
quantizer150.00Library to provide the behaviour similar to quantum states superposition. (library, math, mit)2023-04-
quantum-random80.00Retrieve, store and manage real quantum random data. (library, mit, program, scientific)2017-01-140.6.4Cliff_Harvey
queryparser70.04Analysis and parsing library for SQL queries. (database, library, mit)2018-03-
queryparser-demo50.01Demo package containing queryparser examples (database, library, mit)2018-03-
queryparser-hive50.01Parsing for Hive SQL queries (database, library, mit)2018-03-
queryparser-presto80.01Parsing for Presto SQL queries (database, library, mit)2018-03-
queryparser-vertica60.01Parsing for Vertica SQL queries (database, library, mit)2018-03-
questioner40.01A package for prompting values from the command-line. (library, mit, system)2014-12-
queue-sheet30.00queue sheet utility (library, mit, program, utils)2022-03-
quick-schema40.01Slimmed down json schema language and validator (data, json, library, mit)2015-11-
quickcheck-higherorder80.02QuickCheck extension for higher-order properties (library, mit, testing)2022-02-
quickcheck-io1710.07Use HUnit assertions as QuickCheck properties (library, mit, testing)2017-06-160.2.0SimonHengel, parsonsmatt
quickcheck-rematch30.01QuickCheck support for rematch (library, mit, testing)2013-05-
quickcheck-report40.02Customizable reports for quickcheck properties (library, mit, testing)2016-10-, bandali
quickcheck-special122.01Edge cases and special values for QuickCheck Arbitrary instances (library, mit, testing)2017-11-
quickcheck-text380.03Alternative arbitrary instance for Text (library, mit, text)2016-09-
quickcheck-transformer150.00A GenT monad transformer for QuickCheck library. (library, mit, testing)2023-02-
quickcheck-webdriver100.01Utilities for using WebDriver with QuickCheck (library, mit, testing)2014-10-
quickjs-hs120.01Wrapper for the QuickJS Javascript Engine (javascript, library, mit)2021-01-
quickselect40.01 (library, mit, unclassified)2018-05-
quiver-binary60.01Binary serialisation support for Quivers (control, library, mit)2016-11-
quiver-groups60.01Group and chunk values within a Quiver (control, library, mit)2016-07-
quiver-instances80.01Extra instances for Quiver (control, library, mit)2016-11-
quiver-interleave80.01Interleave values from multiple Quivers (control, library, mit)2016-11-
quiver-sort60.01Sort the values in a quiver (control, library, mit)2016-11-
quokka60.00Test helpers which help generate data for projects that use postgresql. (database, library, mit, testing)2019-11-060.1.2shirren
r-glpk-phonetic-languages-ukrainian-durations180.00Can be used to calculate the durations of the approximations of the Ukrainian phonemes. (Ukrainian, glpk, language, library, math, mit, phonetic-languages, program)2023-02-
raft100.01Miscellaneous Haskell utilities for data structures and data manipulation. (data, library, mit)2019-08-
rail-compiler-editor70.01Compiler and editor for the esolang rail. (language, library, mit, program)2014-07-
rakuten170.01The Rakuten API in Haskell (library, mit, web)2018-08-
raml30.01RESTful API Modeling Language (RAML) library for Haskell (library, mit, web)2015-06-050.1.0fnoble
rampart292.250Determine how intervals relate to each other. (library, math, mit)2023-04-
ramus100.01Elm signal system for Haskell (library, mit, other)2017-02-070.1.2NickSeagull
random-bytestring390.03Efficient generation of random bytestrings (library, mit, system)2021-02-150.1.4larsk
random-hypergeometric30.01Random 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-
random-variates82.00"Uniform RNG => Non-Uniform RNGs" (library, mit, program, statistics)2016-05-
range240.02An efficient and versatile range library. (data, library, mit)2019-10-, srijs
range-set-list500.02Memory efficient sets with ranges of elements. (data, library, mit)2019-08-
rasa-ext-bufs40.03Rasa Ext for useful buffer utilities (extension, library, mit)2017-01-120.1.1ChrisPenner
rascal60.01A command-line client for Reddit (library, mit, program, web)2014-01-131.1.6soli
ratel620.01Notify Honeybadger about exceptions. (exceptions, library, mit)2023-04-
ratel-wai380.01Notify Honeybadger about exceptions via a WAI middleware. (exceptions, library, mit)2023-03-
rattletrap1340.01Parse and generate Rocket League replays. (game, library, mit, program)2023-03-1812.0.3fozworth
raven-haskell270.04Haskell client for Sentry logging service. (library, logging, mit)2022-06-
raven-haskell-scotty80.01Sentry http interface for Scotty web server. (library, mit, web)2013-11-
raz40.01Random Access Zippers (algorithms, library, mit)2016-09-
rbst40.00Randomized Binary Search Trees (data-structures, library, mit)2020-05-
rdf202.01Representation and Incremental Processing of RDF Data (data, library, mit)2023-03-
rdioh110.01A Haskell wrapper for Rdio's API. (api, library, mit, network, program, web)2013-06-070.2.1AdityaBhargava
re2110.01Bindings to the re2 regular expression library (library, mit, regex)2018-12-080.3JohnMillikin, blaze
react-haskell90.01Haskell React bindings (library, mit, web)2015-07-312.0.1joelb
reactive-io (deprecated)50.01IO-oriented FRP library (control, deprecated, library, mit)2013-07-060.1RomanCheplyaka
read-ctags30.00 (library, mit, program, unclassified)2019-12-
read-editor82.01Opens a temporary file on the system's EDITOR and returns the resulting edits (library, mit, system)2016-01-
read-io40.01Read IO library (library, mit, system)2017-02-
readcsv80.01Lightweight CSV parser/emitter based on ReadP (library, mit, web)2017-03-140.1.1gtsteel
reader-soup50.03Vinyl-based reader-like monad composition (combinators, control, library, mit)2019-10-
readshp50.02Code for reading ESRI Shapefiles. (geometry, library, mit)2016-04-
reason-export50.01Generate Reason types from Haskell (library, mit, web)2019-06-
reasonable-lens71.252Lens implementation. It is more small but adequately. (control, library, mit)2015-04-
reasonable-operational70.02Just size Operational Monad implementation. (control, library, mit)2015-02-
rebase1170.01A more progressive alternative to the "base" package (library, mit, unclassified)2023-03-131.20NikitaVolkov
rebindable60.01A library to facilitate rebinding of Haskell syntax (library, mit, syntax)2016-11-200.1.2sleexyz
record270.06Anonymous records (control, data-structures, library, mit, records)2016-10-240.4.2NikitaVolkov
record-aeson70.01Instances of "aeson" classes for the "record" types (data, json, library, mit, records)2015-11-060.1.1NikitaVolkov
record-preprocessor110.01Compiler preprocessor introducing a syntactic extension for anonymous records (compiler, library, mit, preprocessor, program, records)2016-10-
record-syntax100.00A library for parsing and processing the Haskell syntax sprinkled with anonymous records (library, mit, parser, preprocessor, records, syntax)2016-10-240.1.1NikitaVolkov
records-th60.01Template Haskell declarations for the records package (data, library, mit)2012-08-
redact230.00hide secret text on the terminal (library, mit, program, utils)2023-05-
redis342.02A driver for Redis key-value database (database, library, mit)2020-07-030.14.2AlexanderBogdanov, GaneshSittampalam
redis-hs160.01A simple Redis library for Haskell (database, library, mit)2010-12-180.1.2WillLangstroth
redis-job-queue50.01Simple priority job queue backed by Redis. (client, library, mit)2015-09-210.1.0TeroLaitinen
reedsolomon140.01Reed-Solomon Erasure Coding in Haskell (data, library, mit)2017-01-
refcount90.01Container with element counts (data, library, mit)2014-06-080.1.2BenFoppa
reference60.03A class for references in Haskell (control, data, library, mit)2010-09-060.1MaciejPiechotka
refh40.01A command-line tool for pasting to (mit, program, unclassified)2013-02-240.1.1AnthonyGrimes
refined1102.2517Refinement types with static and runtime checking (data, library, mit)2023-04-050.8.1NikitaVolkov, chessai
refined-http-api-data30.00http-api-data instances for refined types (data, library, mit)2019-11-
refined-with (deprecated in favor of strongweak)60.01Refinement types with an "refinement applied" switch. (data, deprecated, library, mit)2022-04-230.3.0raehik
refined1160.01Refinement types with static and runtime checking (+ Refined1) (data, library, mit)2023-05-100.9.0raehik
reflex-dom-fragment-shader-canvas80.00A reflex-dom widget to draw on a canvas with a fragment shader program (library, mit, program, web)2018-10-120.2JoachimBreitner
reflex-dom-retractable82.00Routing and retractable back button for reflex-dom (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web)2020-11-
reflex-external-ref60.02External reference with reactivity support (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web)2020-11-
reflex-localize60.01Localization library for reflex (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web)2021-04-
reflex-localize-dom60.00Helper widgets for reflex-localize (frp, gui, html, javascript, library, mit, reactive, reactivity, reflex, user-interface, user-interfaces, web)2021-04-
reflex-monad-auth50.00Utilities to split reflex app to authorized and not authorized contexts (library, mit, web)2020-11-
reflex-sdl262.00SDL2 and reflex FRP (game, library, mit, program)2019-03-
refty60.01Formatted JSON generator for API server inspired by normalizr. (library, mit, web)2017-01-
regex-applicative872.524Regex-based parsing with applicative interface (library, mit, text)2020-07-240.3.4RomanCheplyaka
regex-generator60.00Generate a random string from a PCRE (library, mit, text)2018-12-
registry860.06data structure for assembling components (control, library, mit)2022-12-
registry-aeson110.00Aeson encoders / decoders (data, library, mit)2022-11-
registry-hedgehog310.00utilities to work with Hedgehog generators and `registry` (control, library, mit)2022-11-
registry-hedgehog-aeson60.00Hedgehog generators for Aeson (library, mit, test)2022-11-
registry-messagepack140.00MessagePack encoders / decoders (data, library, mit)2022-11-
registry-options50.00application options parsing (data, library, mit)2022-11-
rei182.01Process lists easily (data, mit, program)2016-12-
reified-records80.01Reify records to Maps and back again (generics, library, mit)2014-05-070.2.2jozefg
reinterpret-cast160.08Memory reinterpretation casts for Float/Double and Word32/Word64 (data, library, mit)2014-04-300.1.0NiklasHambuechen
relapse152.03Sensible RLP encoding (data, library, mit)2022-09-
relude2022.587Safe, performant, user-friendly and lightweight Haskell Standard Library (library, mit, prelude)2023-03-, vrom911
rematch140.07A simple api for matchers (control, library, mit)2013-05-
rematch-text60.01`rematch` matchers for Data.Text (control, library, mit)2013-05-
remotion (deprecated)40.01A library for client-server applications based on custom protocols (deprecated, library, mit, network, protocol, service)2014-10-190.2.0NikitaVolkov
renderable100.01An API for managing renderable resources. (graphics, library, mit)2016-07-
reorder-expression30.00Reorder expressions in a syntax tree according to operator fixities. (language, library, mit)2021-04-
repl (deprecated)100.01IRC friendly REPL library. (deprecated, development, library, mit)2013-02-051.1MikeLedger
repline1152.255Haskeline wrapper for GHCi-like REPL interfaces. (library, mit, user-interfaces)2022-05-, adamwespiser
repr-tree-syb50.01Tree representation and pretty-printing of data structures based on SYB (debug, library, mit, pretty-printer, text, tree)2016-09-220.1.1NikitaVolkov
req-oauth270.01Provides OAuth2 authentication for use with Req (command-line, library, mit, program)2021-11-
req-url-extra40.01Provides URI/URL helper functions for use with Req (library, mit, network, program, web)2019-02-
request-monad70.01A transformer for generic requests (control, library, mit)2014-06-
rerebase780.01Reexports from "base" with a bunch of other standard libraries (library, mit, unclassified)2023-03-131.20NikitaVolkov
reroute510.06abstract implementation of typed and untyped web routing (library, mit, web)2022-07-, BrandonSimmons
reserve60.01Reserve reloads web applications (mit, program, web)2021-07-120.1.2SimonHengel
resource-embed50.01Embed data files via C and FFI. (development, mit, program)2015-04-
resource-pool-monad100.01A monadic interface for resource-pool (control, library, mit)2015-10-
restyle40.01Convert between camel case and separated words style. (development, library, mit, program)2010-01-010.1.0DanielFischer
result170.01Encode success or at least one error (data, library, mit)2016-10-
ret80.00A tool that returns to a landmark parent directory (mit, program, tool)2023-03-
rethinkdb-client-driver320.03Client driver for RethinkDB (database, library, mit)2017-10-110.0.25wereHamster
rethinkdb-model50.01Useful tools for modeling data with rethinkdb (database, library, mit)2015-04-
retrie2140.06A powerful, easy-to-use codemodding tool for Haskell. (development, library, mit)2023-03-241.2.2AndrewFarmer, PepeIborra, watashi, xich
retroclash-lib100.01Code shared across the code samples in the book "Retrocomputing with Clash" (hardware, library, mit)2022-05-
retroclash-sim70.00High-level simulators from the book "Retrocomputing with Clash" (graphics, hardware, library, mit)2022-02-120.1.1GergoErdi
rfc-env50.02Environment variable support from the Robert Fischer Commons. (envars, library, mit)2018-07-
rfc-http-client30.01The HTTP client extensions from the Robert Fischer Commons. (library, mit, web)2018-07-
rfc-prelude40.05The Prelude from the Robert Fischer Commons. (library, mit, prelude)2018-07-
rfc-psql50.01The PostgreSQL extensions from the Robert Fischer Commons. (database, library, mit)2018-07-