Packages tagged development
951 packages have this tag.
[Merge tag] (trustees only)Related tags: library (732), bsd3 (546), program (471), mit (173), apache (65), deprecated (55), gpl (47), language (18), web (18), mpl (16), profiling (16), testing (15), data (14), public-domain (13), utils (13), debug (11), shake (11), agpl (10), benchmarking (10), bsd2 (10), ghc (10), distribution (9), trace (7), haskell (6), lgpl (6), performance (6), compiler-plugin (5), editor (5), ide (5), refactoring (5), text (5), ats (4), git (4), binary-search (3), build (3), cabal (3), control (3), documentation (3), education (3), embedded (3), fay (3), graph (3), parsing (3), plugin (3), static-analysis (3), system (3), template-haskell (3), tooling (3), tools (3), c (2), cli (2), cli-tool (2), configuration (2), console (2), data-structures (2), database (2), dependent-types (2), eden (2), error-handling (2), ffi (2), formatting (2), generics (2), graphs (2), hardware (2), hie (2), hls (2), ur-web (2), user-interfaces (2), utility (2), application (1), aws (1), bsd (1), chs (1), code-generation (1), ...
Name |
DLs |
Rating |
Rev Deps |
Description |
Tags |
Last U/L |
Last Version |
Maintainers |
|---|---|---|---|---|---|---|---|---|
| AlgorithmW | 13 | 0.0 | 1 | Example implementation of Algorithm W for Hindley-Milner type inference. | (bsd3, development, program) | 2015-05-27 | 0.1.1.0 | MartinGrabmueller |
| AndroidViewHierarchyImporter | 4 | 0.0 | 1 | Android view hierarchy importer | (bsd3, development, program) | 2012-12-19 | 0.1.0.1 | alpheccar |
| Aurochs | 1 | 0.0 | 1 | Yet another parser generator for C/C++ | (bsd3, development, program) | 2011-11-08 | 0.1 | XinyuJiang |
| BNFC-meta | 56 | 0.0 | 1 | Deriving Parsers and Quasi-Quoters from BNF Grammars | (development, gpl, language, library, parsing, text) | 2020-02-09 | 0.6.1 | JeanPhilippeBernardy, JonasDuregard, ArtemPelenitsyn |
| BigPixel | 6 | 0.0 | 1 | Image editor for pixel art | (bsd3, development, program) | 2014-01-24 | 1.3.0 | ManuelChakravarty |
| BirdPP | 7 | 0.0 | 1 | A preprocessor for Bird-style Literate Haskell comments with Haddock markup. | (development, program) | 2012-08-02 | 1.1 | SeanMcLaughlin |
| CCA | 17 | 0.0 | 3 | preprocessor and library for Causal Commutative Arrows (CCA) | (bsd3, development, library, program) | 2015-05-08 | 0.1.5.3 | PaulLiu |
| Coadjute (deprecated) | 11 | 0.0 | 1 | A generic build tool | (bsd3, deprecated, development, library) | 2011-03-17 | 0.1.1 | MattiNiemenmaa |
| Commando | 10 | 0.0 | 1 | Watch some files; Rerun a command | (development, library, mit, program) | 2014-03-06 | 1.0.0.4 | LyndonMaydwell |
| Contract | 3 | 0.0 | 1 | Practical typed lazy contracts. | (bsd3, development, library) | 2012-07-19 | 0.1 | OlafChitil |
| DPM | 7 | 0.0 | 1 | Darcs Patch Manager | (development, library, program) | 2011-12-06 | 0.3.0.0 | StefanWehr |
| DataTreeView | 6 | 0.0 | 1 | A GTK widget for displaying arbitrary Data.Data.Data instances | (bsd3, debug, development, gui, library) | 2012-06-18 | 0.1.1 | DanielSchuessler |
| GuiHaskell | 6 | 0.0 | 1 | A graphical REPL and development environment for Haskell | (bsd3, development, program) | 2008-03-06 | 0.1.1 | NeilMitchell |
| HListPP | 7 | 0.0 | 1 | A preprocessor for HList labelable labels | (bsd3, development, program) | 2020-04-17 | 0.2.2 | AdamVogt |
| HaRe | 142 | 0.0 | 1 | the Haskell Refactorer. | (bsd3, development, refactoring) | 2017-06-12 | 0.8.4.1 | AlanZimmerman, ChrisBrown |
| Hs2lib | 26 | 0.0 | 1 | A Library and Preprocessor that makes it easier to create shared libs from Haskell programs. | (bsd3, development, library, program) | 2015-01-27 | 0.6.3 | TamarChristina |
| HsSVN | 27 | 0.0 | 1 | Partial Subversion (SVN) binding for Haskell | (development, library, public-domain, system) | 2013-09-30 | 0.4.3.3 | MasatakeDaimon |
| ImperativeHaskell | 23 | 2.0 | 1 | A library for writing Imperative style haskell. | (control, development, embedded, gpl, language, library) | 2012-06-07 | 2.0.0.1 | MatthewMirman |
| Lambdajudge | 7 | 2.0 | 1 | A library to easily host Haskell based programming competitions | (development, library, mit) | 2015-11-13 | 1.0.0.4 | ankitku |
| Lastik (deprecated) | 22 | 0.0 | 1 | A library for compiling programs in a variety of languages | (bsd3, deprecated, development, library) | 2010-11-16 | 0.7.0 | TonyMorris |
| LazyVault (deprecated) | 6 | 0.0 | 1 | A simple sandboxing tool for Haskell packages. | (deprecated, development, gpl, program) | 2013-02-06 | KevinVanRooijen | |
| MASMGen | 10 | 2.0 | 1 | Generate MASM code from haskell | (development, lgpl, library) | 2018-10-11 | 0.7.0.0 | petercommand |
| MetaObject | 14 | 0.0 | 1 | A meta-object system for Haskell based on Perl 6 | (bsd3, development, library, pugs) | 2015-08-15 | 0.0.6.20150815 | AudreyTang |
| MissingK | 2 | 0.0 | 5 | Useful types and definitions missing from other libraries | (bsd3, development, library) | 2017-04-27 | 0.0.1 | IvanPerez, keera_studios_ci |
| NoSlow | 7 | 0.0 | 1 | Microbenchmarks for various array libraries | (bsd3, development, profiling, program) | 2010-02-15 | 0.2 | RomanLeshchinskiy |
| NoTrace | 18 | 2.0 | 5 | Remove all the functions come from Debug.Trace after debugging | (development, library, mit) | 2019-05-07 | 0.3.0.4 | CindyLinz |
| OrPatterns | 1 | 0.0 | 1 | A quasiquoter for or-patterns | (bsd3, development, library) | 2014-05-16 | 0.1 | AdamVogt |
| PartialTypeSignatures | 4 | 0.0 | 1 | emulate partial type signatures with template haskell | (bsd3, development, library) | 2014-08-09 | 0.1.0.1 | AdamVogt |
| QuickAnnotate | 15 | 0.0 | 2 | Annotation Framework | (bsd3, development, library, program) | 2012-09-19 | 0.6 | ShayanNajd |
| ReviewBoard | 11 | 0.0 | 1 | Haskell bindings to ReviewBoard | (bsd3, development, library, program) | 2008-05-28 | 0.2.2 | AdamSmyczek |
| Rlang-QQ (deprecated in favor of inline-r) | 25 | 0.0 | 2 | quasiquoter for inline-R code | (bsd3, deprecated, development, library) | 2015-05-06 | 0.3.1.0 | AdamVogt |
| SourceGraph | 47 | 0.0 | 1 | Static code analysis using graph-theoretic techniques. | (development, program) | 2015-09-08 | 0.7.0.7 | IvanMiljenovic |
| TraceUtils | 5 | 0.0 | 2 | Functions that should have been in Debug.Trace | (bsd3, development, library) | 2012-10-15 | 0.1.0.2 | EyalLotem |
| TransformersStepByStep | 9 | 0.0 | 1 | Tutorial on monad transformers. | (bsd3, development, program) | 2015-05-27 | 0.1.1.0 | MartinGrabmueller |
| TrivialMonadWithUnitType | 3 | 0.0 | 0 | Trivial monad with Unit type | (bsd2, development, library) | 2025-11-24 | 0.1.0.0 | AlexisSoutient |
| UtilityTM | 8 | 0.0 | 1 | Utility functions that are missing from the standard library | (bsd3, development, library) | 2011-09-29 | 0.0.4 | TonyMorris |
| accuerr | 8 | 0.0 | 1 | Data type like Either but with accumulating error type | (bsd3, development, library) | 2016-06-18 | 0.2.0.2 | OmariNorman |
| addLicenseInfo | 6 | 0.0 | 1 | Adds license info to the top of a file. | (bsd3, development, program) | 2009-12-03 | 0.1 | JoeFredette |
| ag-pictgen | 4 | 0.0 | 1 | Attribute Grammar picture generation | (bsd3, development, program) | 2016-01-30 | 1.0.0.0 | AtzeDijkstra |
| agda-language-server | 19 | 0.0 | 0 | An implementation of language server protocal (LSP) for Agda 2. | (development, library, mit, program) | 2023-11-23 | 0.2.6.3.0 | AndreasAbel, banacorn |
| agda2lagda | 27 | 0.0 | 0 | Translate .agda files into .lagda.tex files. | (dependent-types, development, program) | 2025-09-05 | 0.2025.9.5 | AndreasAbel |
| aihc-cpp | 10 | 0.0 | 0 | Pure Haskell C preprocessor for aihc | (development, library) | 2026-05-27 | 1.0.0.2 | DavidHimmelstrup |
| aihc-parser | 11 | 0.0 | 0 | Haskell parser | (development, library) | 2026-07-27 | 1.0.0.5 | DavidHimmelstrup |
| air | 24 | 0.0 | 17 | air | (bsd3, development, library) | 2015-05-03 | 2015.5.4 | JinjingWang |
| air-extra | 20 | 0.0 | 6 | air-extra | (bsd3, development, library) | 2015-05-03 | 2015.5.4 | JinjingWang |
| air-spec | 1 | 0.0 | 2 | air spec helper | (bsd3, development, library) | 2013-07-01 | 2013.7.1 | JinjingWang |
| air-th | 5 | 0.0 | 6 | air | (bsd3, development, library) | 2014-11-17 | 2014.11.17 | JinjingWang |
| alex | 122 | 2.25 | 1 | Alex is a tool for generating lexical analysers in Haskell | (bsd3, development, program) | 2026-03-22 | 3.5.4.2 | AndreasAbel, JohnEricson, SimonMarlow |
| alex-meta | 39 | 0.0 | 2 | Quasi-quoter for Alex lexers | (bsd3, development, library) | 2021-03-13 | 0.3.0.13 | JonasDuregard, ArtemPelenitsyn |
| alex-tools | 32 | 0.0 | 4 | A set of functions for a common use case of Alex. | (development, library) | 2023-05-23 | 0.6.1 | EricMertens, IavorDiatchki, TrevorElliott, ryanglscott, galoisinc |
| anansi | 69 | 0.0 | 3 | Simple literate programming preprocessor | (development, gpl, library, program) | 2015-06-05 | 0.4.8 | JohnMillikin |
| anansi-hscolour | 6 | 0.0 | 1 | Colorized looms for Anansi | (development, gpl, library) | 2014-02-14 | 0.1.2 | JohnMillikin |
| anansi-pandoc | 10 | 0.0 | 1 | Looms which use Pandoc to parse and produce a variety of formats. | (development, gpl, library) | 2014-03-18 | 0.1.3 | JohnMillikin |
| anatomy | 5 | 0.0 | 1 | Anatomy: Atomo documentation system | (bsd3, development, library, program) | 2011-02-07 | 0.4 | AlexSuraci |
| apigen | 2 | 0.0 | 0 | FFI API generator for several languages | (development, gpl, library, program) | 2023-11-23 | 0.0.1 | iphydf |
| apply-refact | 59 | 2.0 | 2 | Perform refactorings specified by the refact library. | (bsd3, development, library, program) | 2025-01-29 | 0.15.0.0 | mpickering, zliu41, fendor |
| argon | 25 | 2.0 | 0 | Measure your code's complexity | (development, static-analysis) | 2024-10-28 | 0.4.2.0 | rubik, dnadales |
| arrowp | 6 | 0.0 | 1 | preprocessor translating arrow notation into Haskell 98 | (development, program) | 2013-04-03 | 0.5.0.2 | RossPaterson |
| arrowp-qq | 27 | 0.0 | 1 | A preprocessor and quasiquoter for translating arrow notation | (development, library, program) | 2019-12-29 | 0.3.0 | PepeIborra, riuga |
| assembler | 1 | 0.0 | 1 | Haskell Assembler | (bsd3, development, library, program) | 2010-10-01 | 0.0.1 | JeffDouglas |
| ats-format | 135 | 0.0 | 2 | A source-code formatter for ATS | (ats, bsd3, development, language, parser, program) | 2019-11-30 | 0.2.0.36 | vmchale |
| ats-pkg | 478 | 0.0 | 0 | A build tool for ATS | (ats, bsd3, development, library, program) | 2022-10-03 | 3.5.0.3 | vmchale |
| ats-setup | 32 | 0.0 | 2 | ATS scripts for Cabal builds | (ats, bsd3, cabal, development, library) | 2018-02-23 | 0.4.0.2 | |
| auto-export | 5 | 0.0 | 1 | Automatically add things to module export list | (bsd3, development, library) | 2026-05-19 | 0.1.1.0 | aaronallen8455 |
| auto-extract | 8 | 0.0 | 1 | Extract code segment to top level function | (bsd3, development, library) | 2026-05-19 | 0.1.1.0 | aaronallen8455 |
| auto-import | 6 | 0.0 | 1 | Automatically add import statements | (bsd3, development, library) | 2026-05-19 | 0.1.1.0 | aaronallen8455 |
| auto-split | 19 | 0.0 | 1 | Case splitting plugin | (bsd3, development, library) | 2026-05-19 | 0.1.1.0 | aaronallen8455 |
| autopack | 5 | 2.25 | 0 | Custom Setup to automate package modules discovery | (cabal, customsetup, development, distribution, library, mpl, setup) | 2020-03-19 | 0.0.0.0 | vrom911 |
| avr-shake | 15 | 0.0 | 1 | AVR Crosspack actions for shake build systems. | (development, library, public-domain) | 2015-08-21 | 0.0.1.2 | JamesCook |
| aws-lambda-runtime | 6 | 0.0 | 0 | Haskell on AWS Lambda Runtime API | (apache, aws, development, library, program) | 2020-01-08 | 0.0.0.1 | phadej |
| azurify | 18 | 0.0 | 1 | A simple library for accessing Azure blob storage | (bsd3, development, library) | 2014-09-23 | 0.4.0.5 | ArnoVanLumig, GregWeber, SeanLeather |
| b9 | 159 | 2.0 | 1 | A tool and library for building virtual machine images. | (development, library, mit, program) | 2022-03-28 | 3.2.3 | SvenHeyll |
| backstop | 3 | 2.0 | 0 | Backstop a target directory by source directories | (development, gpl, library, program) | 2019-11-04 | 1.3.0.354 | mdgabriel |
| bake | 12 | 0.0 | 1 | Continuous integration system | (bsd3, development, library, program) | 2016-10-28 | 0.5 | NeilMitchell |
| base-compat-migrate | 12 | 0.0 | 1 | Helps migrating projects to base-compat(-batteries). | (bsd3, development, library) | 2020-03-25 | 0.2.0.1 | AdamBergmark |
| base-feature-macros | 7 | 0.0 | 1 | Semantic CPP feature macros for base | (bsd3, development, library) | 2017-06-05 | 0.1.0.1 | HerbertValerioRiedel |
| base-noprelude | 48 | 2.0 | 35 | "base" package sans "Prelude" module | (bsd3, development, library) | 2019-08-26 | 4.13.0.0 | HerbertValerioRiedel |
| basic-lens | 14 | 0.0 | 2 | Basic lens type and functions | (bsd3, development, library) | 2017-03-16 | 0.0.2 | ChrisDone |
| bf-cata | 6 | 0.0 | 1 | (development, library) | 2010-10-16 | 1.1 | ArieMiddelkoop | |
| bhoogle | 60 | 0.0 | 1 | Simple terminal GUI for local hoogle. | (development, program, terminal) | 2025-04-18 | 0.1.4.4 | andrevdm |
| bindings-bfd | 9 | 0.0 | 1 | Bindings for libbfd, a library of the GNU `binutils' | (development, ffi, lgpl, library) | 2012-07-16 | 1.2.0.0 | MichaelNelson |
| bisect-binary | 10 | 0.0 | 1 | Determine relevant parts of binary data | (development, mit, program) | 2017-12-05 | 0.1.0.1 | JoachimBreitner |
| bliplib | 5 | 0.0 | 1 | Support code for Blip. | (bsd3, development, library) | 2013-06-21 | 0.2.1 | BerniePope |
| borel | 1 | 0.0 | 1 | Metering System for OpenStack metrics provided by Vaultaire. | (bsd3, development, library) | 2015-03-26 | 0.18.0 | fractalcat |
| botpp | 1 | 0.0 | 1 | Build tool for Lambdabot | (development, library, program, web) | 2008-08-19 | 0.1 | GwernBranwen |
| breakpoint | 32 | 0.0 | 3 | Set breakpoints using a GHC plugin | (development, library, mit) | 2026-01-12 | 0.1.5.1 | aaronallen8455 |
| bson-lens | 9 | 0.0 | 1 | BSON lenses | (development, library, mit) | 2015-09-12 | 0.1.1 | WilliamCasarin |
| buffet | 10 | 0.0 | 0 | Assembles many Dockerfiles in one. | (development, library, mit, program) | 2020-11-08 | 1.0.1 | evolutics |
| bug | 4 | 0.0 | 8 | Better alternatives to the "error" function | (development, error-handling, library, mit) | 2017-04-08 | 1.0.1 | HerbertValerioRiedel, NikitaVolkov |
| buildbox | 77 | 0.0 | 1 | Rehackable components for writing buildbots and test harnesses. | (bsd3, development, library, testing) | 2018-10-12 | 2.2.1.2 | BenLippmeier |
| buildbox-tools | 16 | 0.0 | 1 | Tools for working with buildbox benchmark result files. | (bsd3, development, program, testing) | 2012-02-03 | 1.5.3.1 | BenLippmeier |
| buildwrapper | 84 | 0.0 | 1 | A library and an executable that provide an easy API for a Haskell IDE | (bsd3, development, library, program) | 2015-01-26 | 0.9.1 | JeanPhilippeMoresmau |
| bumper | 30 | 0.0 | 1 | Automatically bump package versions, also transitively. | (bsd3, development, program) | 2025-10-10 | 0.7.0.0 | AdamBergmark, BramSchuur, ErikHesselink, ArtemPelenitsyn |
| c-storable | 10 | 0.0 | 1 | CStorable class | (bsd3, development, haskell, library) | 2020-07-19 | 0.3 | EvanLaforge |
| c2hs | 72 | 0.0 | 1 | C->Haskell FFI tool that gives some cross-language type safety | (development, gpl, program) | 2021-06-13 | 0.28.8 | DuncanCoutts, IanRoss, deech |
| c2hs-extra | 4 | 0.0 | 3 | Convenient marshallers for complicate C types. | (development, foreign, library, mit) | 2017-10-22 | 0.1.0.1 | sighingnow |
| c2hsc | 33 | 0.0 | 1 | Convert C API header files to .hsc and .hsc.helper.c files | (bsd3, development, library, program) | 2017-12-09 | 0.7.1 | JohnWiegley |
| cabal (deprecated in favor of Cabal) | 4 | 0.0 | 1 | placeholder for Cabal package, you want the upper case Cabal | (bsd2, deprecated, development, library) | 2016-08-11 | 0.0.0.0 | CarterSchonwald, DuncanCoutts, HerbertValerioRiedel |
| cabal-add | 11 | 0.0 | 0 | Extend Cabal build-depends from the command line | (bsd3, development, library, program) | 2026-07-01 | 0.2.1 | Bodigrim |
| cabal-appimage | 34 | 0.0 | 0 | Cabal support for creating AppImage applications | (agpl, development, distribution, library, linux) | 2026-01-20 | 0.4.3.0 | GabrieleSales |
| cabal-bounds | 138 | 2.0 | 1 | A command line program for managing the dependency versions in a cabal file. | (bsd3, development, library, program, utils) | 2025-09-22 | 2.7.0 | DanielTrstenjak |
| cabal-bundle-clib | 3 | 0.0 | 0 | Bundling C/C++ projects in Cabal package made easy | (bsd3, development, library) | 2019-02-03 | 0.1.0 | zelinf |
| cabal-cache | 84 | 2.0 | 0 | CI Assistant for Haskell projects | (bsd3, development, library, program) | 2025-01-22 | 1.2.0.0 | newhoggy, haskellworks, maerwald |
| cabal-cargs | 90 | 0.0 | 1 | A command line program for extracting compiler arguments from a cabal file. | (bsd3, development, library, program, utils) | 2025-09-22 | 1.8.0 | DanielTrstenjak |
| cabal-clean | 13 | 0.0 | 0 | Remove outdated cabal build artefacts from `dist-newstyle`. | (bsd3, development, program) | 2023-06-09 | 0.2.20230609 | AndreasAbel |
| cabal-constraints | 3 | 0.0 | 1 | Repeatable builds for cabalized Haskell projects. | (development, distribution, mit, program) | 2013-12-08 | 0.0.0.1 | BenArmston |
| cabal-dev (deprecated in favor of cabal-install) | 28 | 0.0 | 1 | Manage sandboxed Haskell build environments | (bsd3, deprecated, development, program) | 2013-02-28 | 0.9.2 | JonathanDaugherty, JoshHoyt, RoganCreswick |
| cabal-edit | 7 | 0.0 | 0 | Cabal utility | (development, mit, program) | 2020-07-21 | 0.1.0.0 | sdiehl |
| cabal-file-th | 20 | 0.0 | 2 | Template Haskell expressions for reading fields from a project's cabal file. | (bsd3, development, library) | 2020-03-22 | 0.2.7 | NickPartridge, SimonMichael |
| cabal-fmt | 44 | 2.0 | 0 | Format .cabal files | (development, library, program) | 2024-04-27 | 0.1.12 | phadej |
| cabal-ghc-dynflags | 5 | 0.0 | 1 | Conveniently configure GHC's dynamic flags for use with Cabal projects | (bsd3, development, library) | 2015-08-14 | 0.1.0.1 | BenGamari |
| cabal-ghci (deprecated in favor of cabal-install) | 16 | 0.0 | 1 | Set up ghci with options taken from a .cabal file | (bsd3, deprecated, development, library, program) | 2013-08-09 | 0.3 | EtienneLaurin |
| cabal-gild | 164 | 0.0 | 0 | Formats package descriptions. | (development, library, mit, program) | 2026-04-06 | 1.8.4.1 | fozworth |
| cabal-graphdeps | 8 | 0.0 | 1 | Generate graphs of install-time Cabal dependencies | (development, mit, program) | 2015-10-12 | 0.1.3 | JohnMillikin |
| cabal-hoogle | 5 | 2.0 | 0 | generate hoogle database for cabal project and dependencies | (bsd3, development, library, program) | 2026-01-10 | 3.16.0.0 | kokobd |
| cabal-info | 4 | 0.0 | 0 | Read information from cabal files | (development, library, mit, program) | 2017-05-14 | 0.2.1 | barrucadu |
| cabal-install-parsers | 41 | 0.0 | 2 | Utilities to work with cabal-install files | (development, library) | 2025-06-05 | 0.6.3 | phadej |
| cabal-lenses | 61 | 0.0 | 3 | Lenses and traversals for the Cabal library. | (bsd3, development, library, utils) | 2024-09-29 | 0.15.0 | DanielTrstenjak |
| cabal-matrix | 12 | 0.0 | 0 | Matrix builds for cabal | (bsd3, development, library, program) | 2026-06-08 | 1.0.3.0 | mniip |
| cabal-meta | 58 | 0.0 | 1 | build multiple packages at once | (bsd3, development, library, program) | 2015-03-26 | 0.4.1.3 | GregWeber |
| cabal-mon | 9 | 0.0 | 1 | A monitor for cabal builds | (development, mit, program) | 2016-08-12 | 1.0.2 | IavorDiatchki |
| cabal-plan | 62 | 2.5 | 1 | Library and utility for processing cabal's plan.json file | (development, gpl, library) | 2025-07-29 | 0.7.6.1 | HerbertValerioRiedel, phadej |
| cabal-scripts | 4 | 0.0 | 1 | Shell scripts for support of Cabal maintenance | (bsd3, development, library) | 2015-04-08 | 0.1.1 | HenningThielemann |
| cabal-sign | 25 | 0.0 | 1 | Sign and verify Cabal packages. | (bsd3, development, program) | 2013-02-02 | 0.4.1.0 | ChrisDone |
| cabal2ghci | 7 | 0.0 | 1 | A tool to generate .ghci file from .cabal | (bsd3, development, program) | 2013-08-22 | 0.0.1.1 | HiromiIshii |
| cabalQuery | 3 | 0.0 | 0 | A simple tool to query cabal files. | (bsd3, development, library, program) | 2015-05-01 | 0.1.0.1 | RoganCreswick |
| cached-io | 21 | 0.0 | 0 | A simple library to cache IO actions | (apache, development, library) | 2026-06-09 | 1.4.0.0 | MikeLedger, pjrt, potomak, glasserc, mhova, jack, Bellroy, kokobd, HughDavidson, LukeWorth |
| cairo-appbase | 6 | 0.0 | 1 | A template for building new GUI applications using GTK and Cairo. | (bsd3, development, program) | 2011-11-14 | 0.4 | ConradParker |
| cake | 27 | 0.0 | 1 | A build-system library and driver | (development, library, program) | 2014-10-13 | 1.1.0.1 | JeanPhilippeBernardy |
| cake3 | 32 | 0.0 | 1 | Third cake the Makefile EDSL | (bsd3, development, library, program) | 2016-10-26 | 0.6.5 | SergeyMironov |
| calligraphy | 32 | 0.0 | 0 | HIE-based Haskell call graph and source code visualizer | (bsd3, development, haskell, language, library, program) | 2025-05-02 | 0.1.8 | jonascarpay |
| canteven-listen-http | 10 | 0.0 | 1 | data types to describe HTTP services | (apache, development, library) | 2017-08-29 | 1.0.0.3 | pjrt, potomak, glasserc, mhova |
| canteven-log (deprecated) | 16 | 0.0 | 4 | A canteven way of setting up logging for your program. | (apache, deprecated, development, library) | 2018-02-02 | 2.0.2.1 | pjrt, potomak, glasserc, mhova |
| casa-client | 11 | 0.0 | 2 | Client for Casa | (bsd3, development, library) | 2026-03-04 | 0.0.4 | ChrisDone, MichaelSnoyman, mpilgrem |
| casa-types | 11 | 0.0 | 3 | Types for Casa | (bsd3, development, library) | 2025-09-26 | 0.0.3 | ChrisDone, MichaelSnoyman, borsboom, mpilgrem |
| caseof | 6 | 0.0 | 1 | Combinators for casing on constructors | (bsd3, development, library) | 2018-03-07 | 0.0.1 | ChrisDone |
| castle | 3 | 0.0 | 1 | A tool to manage shared cabal-install sandboxes. | (apache, development, program) | 2015-04-20 | 0.1.0.1 | EricRochester |
| catamorphism | 23 | 0.0 | 1 | Exposes a Template Haskell function for generating catamorphisms. | (bsd3, development, library) | 2018-04-15 | 0.7.0.0 | frerich |
| cdeps | 44 | 0.0 | 3 | Extract dependencies from C code. | (bsd3, c, development, language, library, program) | 2020-06-24 | 0.1.3.1 | vmchale |
| ceilometer-common | 3 | 0.0 | 2 | Common Haskell types and encoding for OpenStack Ceilometer | (bsd3, development, library) | 2015-03-26 | 0.2.3 | fractalcat |
| cerberus (deprecated) | 2 | 0.0 | 0 | Protect and control API access with cerberus | (bsd3, deprecated, development, library, program) | 2015-12-17 | 0.1.0.0 | yogsototh |
| cgen | 9 | 0.0 | 2 | generates Haskell bindings and C wrappers for C++ libraries | (bsd3, development, library, program) | 2012-06-16 | 0.0.5 | AnttiSalonen |
| change-monger | 3 | 0.0 | 1 | Parse VCS changelogs into ChangeLogs | (bsd3, development, library, program, text) | 2008-05-15 | 0.0 | GwernBranwen |
| changelogged | 3 | 0.0 | 0 | Changelog manager for Git projects. | (bsd3, development, library, program) | 2018-03-06 | 0.2.0 | NickolayKudasov, viviag |
| checked-literals | 9 | 0.0 | 0 | GHC plugin for checked numeric literals | (bsd2, development, library) | 2026-05-22 | 0.1.2 | QBayLogic |
| checkmate | 27 | 0.0 | 0 | Generate checklists relevant to a given patch | (agpl, development, library, program) | 2018-08-31 | 0.4.0 | hongminhee |
| cherry-core-alpha | 14 | 0.0 | 0 | The core library for Cherry Haskell. | (bsd3, development, library) | 2021-01-27 | 0.5.0.0 | terezasokol |
| chr-data | 6 | 0.0 | 4 | Datatypes required for chr library | (bsd3, development, library) | 2018-08-18 | 0.1.0.1 | AtzeDijkstra |
| chr-lang | 9 | 0.0 | 0 | AST + surface language around chr | (bsd3, development, library, program) | 2022-09-16 | 0.1.1.0 | AtzeDijkstra |
| chr-parse | 2 | 0.0 | 2 | Parsing for chr library | (bsd3, development, library) | 2017-12-28 | 0.1.0.0 | AtzeDijkstra |
| chr-pretty | 3 | 0.0 | 4 | Pretty printing for chr library | (bsd3, development, library) | 2017-12-28 | 0.1.0.0 | AtzeDijkstra |
| chronos | 99 | 2.0 | 26 | A high-performance time library | (bsd3, data, development, library, parsing, time) | 2025-07-15 | 1.1.7.0 | andrewthad, chessai, l3c_amartin |
| chronos-bench | 10 | 0.0 | 0 | Benchmarking tool with focus on comparing results. | (benchmarking, bsd3, development, library, performance, program, testing) | 2019-03-10 | 0.2.0.2 | knupfer |
| chs-deps | 5 | 0.0 | 1 | c2hs dependency analyzer | (bsd3, chs, development, library, staticanalysis) | 2025-11-26 | 0.1.0.1 | vmchale |
| clash-vexriscv | 8 | 0.0 | 0 | VexRiscv CPU core for use in Clash designs | (apache, development, library) | 2026-05-19 | 0.1 | martijnbastiaan, QBayLogic |
| clashilator | 16 | 0.0 | 0 | Automated Clash to Verilator bridge | (development, hardware, library, mit, program) | 2024-04-20 | 0.1.4 | GergoErdi |
| claude-gate | 2 | 0.0 | 0 | Hook gate that reviews and records edits from nested Claude Code sessions | (development, library, mit, program) | 2026-07-20 | 1.0.0 | Jappie |
| cli-setup | 49 | 0.0 | 1 | Helper setup scripts for packaging command-line tools. | (bsd3, command-line-tools, development, library) | 2019-12-15 | 0.2.1.4 | vmchale |
| clod | 85 | 0.0 | 0 | Project file manager for Claude AI integrations | (development, library, mit, program) | 2025-04-23 | 0.2.3 | fuzz |
| clone-all | 2 | 0.0 | 1 | Clone all github repositories from a given user | (development, mit, program) | 2014-06-27 | 0.1.0.0 | NoonSilk |
| codex | 99 | 0.0 | 1 | A ctags file generator for cabal project dependencies. | (apache, development, library, program) | 2020-03-14 | 0.6.0.0 | bitemyapp, aloiscochard, parsonsmatt |
| coerce-with-substitution | 2 | 2.0 | 0 | Coercions with improved type inference | (bsd3, development, library) | 2025-07-21 | 0.0.0.0 | rhendric |
| colorize-haskell | 4 | 0.0 | 1 | Highligt Haskell source | (bsd3, development, library, program) | 2010-07-24 | 1.0.1 | IavorDiatchki |
| compiler-warnings | 3 | 0.0 | 1 | Parser for common compiler warning formats | (bsd2, development, library) | 2016-10-16 | 0.1.0 | DmitryIvanov |
| constable | 1 | 0.0 | 0 | A safe interface for Const summarization | (bsd3, development, library) | 2023-01-06 | 0.1.0.0 | aaronallen8455 |
| convex-schema-parser | 9 | 0.0 | 0 | A type-safe client generator for Convex for both Rust and Python. | (code-generation, development, library, mit, program, web) | 2025-07-25 | 0.1.8.0 | lambdaxdotone |
| cookbook | 66 | 0.0 | 1 | Tiered general-purpose libraries with domain-specific applications. | (bsd3, development, library) | 2016-03-15 | 3.0.1.1 | NatePisarski |
| coordinate | 55 | 0.0 | 3 | A representation of latitude and longitude | (bsd3, development, library) | 2018-04-06 | 0.2 | TonyMorris |
| core-of-name | 2 | 0.0 | 0 | Print the Core representation of a binding with a GHC plugin. | (bsd3, development, library, program) | 2026-03-16 | 0.1.0.0 | ocramz |
| court | 6 | 0.0 | 1 | Simple and flexible CI system | (bsd3, development, program) | 2015-11-27 | 0.1.0.1 | thoferon |
| cpphs | 182 | 0.0 | 38 | A liberalised re-implementation of cpp, the C pre-processor. | (development, library, program) | 2025-09-14 | 1.20.10 | AndreasAbel, MalcolmWallace, phadej |
| creditmonad | 4 | 0.0 | 0 | Reasoning about amortized time complexity | (bsd3, development, library, program) | 2025-08-19 | 1.1.0 | anfelor |
| criterion | 299 | 2.75 | 28 | Robust, reliable performance measurement and analysis | (benchmarking, bsd3, development, library, performance, program, testing) | 2026-04-02 | 1.6.5.0 | BryanOSullivan, RyanNewton, ryanglscott |
| criterion-cmp | 2 | 0.0 | 0 | A simple tool for comparing in Criterion benchmark results | (bsd3, development, program) | 2021-02-14 | 0.1.0.0 | phadej |
| criterion-compare | 4 | 2.0 | 0 | A simple tool for visualising differences in Criterion benchmark results | (bsd3, development, program) | 2019-07-29 | 0.1.0.0 | BenGamari, AndreasK |
| criterion-measurement | 32 | 0.0 | 6 | Criterion measurement functionality and associated types | (benchmarking, bsd3, development, library, performance, testing) | 2026-07-02 | 0.2.5.0 | ryanglscott |
| criterion-to-html | 4 | 0.0 | 1 | Convert criterion output to HTML reports | (bsd3, development, program) | 2012-06-27 | 0.0.0.3 | JasperVanDerJeugt |
| crunghc | 9 | 0.0 | 1 | A runghc replacement with transparent caching | (development, program, public-domain) | 2013-12-11 | 0.1.1.1 | AkioTakano |
| csv-nptools | 10 | 0.0 | 1 | A collection of CSV tools | (development, program, text, utils) | 2013-10-29 | 0.4.1 | NicolasPouillard |
| cutesetup | 3 | 0.0 | 0 | Cute TUI for scaffolding nix devshells | (apache, development, program, user-interfaces, utility) | 2026-07-27 | 0.1.0.0 | petalmaya |
| darcs | 270 | 2.5 | 2 | a distributed, interactive, smart revision control system | (development, gpl, library) | 2025-01-09 | 2.18.5 | GaneshSittampalam, bfrk |
| darcs-beta (deprecated in favor of darcs) | 85 | 0.0 | 1 | a distributed, interactive, smart revision control system | (deprecated, development) | 2012-04-07 | 2.7.99.2 | FlorentBecker, GaneshSittampalam, GuillaumeHoffmann, PetrRockai, ReinierLamers |
| darcs-cabalized (deprecated in favor of darcs) | 22 | 0.0 | 1 | David's Advanced Version Control System | (deprecated, development, program) | 2008-07-02 | 2.0.2.2 | GwernBranwen |
| darcs-fastconvert | 11 | 0.0 | 1 | Import/export git fast-import streams to/from darcs. | (bsd3, development, program) | 2011-02-13 | 0.2.1 | PetrRockai |
| darcs-scripts | 3 | 0.0 | 1 | Shell scripts for support of darcs workflow | (bsd3, development, library) | 2015-04-08 | 0.1.1 | HenningThielemann |
| darcs2dot (deprecated in favor of darcs) | 8 | 0.0 | 1 | Outputs dependencies of darcs patches in dot format. | (bsd3, deprecated, development, program) | 2013-04-07 | 0.1.0.1 | SoenkeHahn |
| darcsden | 14 | 0.0 | 1 | Darcs repository UI and hosting/collaboration app (hub.darcs.net branch). | (development, distribution, program, web) | 2015-04-22 | 1.1.1 | AlexSuraci, SimonMichael |
| data-debruijn | 3 | 0.0 | 0 | Fast and safe implementation of common compiler machinery. | (agpl, development, library) | 2025-06-08 | 0.1.0.0 | wenkokke |
| data-structure-inferrer | 4 | 0.0 | 1 | Program that infers the fastest data structure available for your program | (development, mit, program) | 2011-12-27 | 1.0 | AleksanderBalicki |
| data-util | 17 | 0.0 | 1 | utilities for handle data | (bsd3, data, development, library, utils) | 2015-09-08 | 0.5 | KatsutoshiItoh |
| dbus-th-introspection | 6 | 0.0 | 1 | Generate bindings for DBus calls by using DBus introspection and dbus-th | (bsd3, development, library, program) | 2018-03-31 | 0.1.2.0 | IlyaPortnov |
| dead-code-detection | 46 | 0.0 | 1 | detect dead code in haskell projects | (bsd3, development, program) | 2016-07-10 | 0.8.1 | SoenkeHahn |
| debruijn | 11 | 0.0 | 1 | de Bruijn indices and levels | (bsd3, development, library) | 2025-05-31 | 0.3.1 | phadej |
| debruijn-safe | 15 | 0.0 | 0 | de Bruijn indices and levels | (bsd3, development, library) | 2025-05-31 | 0.3.1 | phadej |
| debug | 15 | 2.5 | 1 | Simple trace-based debugger | (bsd3, debugging, development, library, program) | 2018-03-19 | 0.1.1 | NeilMitchell |
| debug-tracy | 9 | 0.0 | 0 | More useful trace functions for investigating bugs | (bsd3, development, library, program) | 2019-02-04 | 0.1.0.3 | fresheyeball |
| debuggable | 4 | 0.0 | 0 | Utilities for making your applications more debuggable. | (bsd3, development, library) | 2026-06-04 | 0.1.1 | EdskoDeVries |
| delimiter-separated | 2 | 0.0 | 1 | Library for dealing with tab and/or comma (or other) separated files | (bsd3, development, library) | 2015-11-27 | 0.1.0.0 | AtzeDijkstra |
| demangler | 6 | 0.0 | 0 | Demangler for C++ mangled names. | (bsd3, development, library, program) | 2024-04-23 | 1.3.2.0 | KevinQuick |
| dependency | 63 | 0.0 | 3 | Dependency resolution for package management | (bsd3, build, development, library) | 2018-08-17 | 1.2.0.3 | vmchale |
| derive | 193 | 2.25 | 61 | A program and library to derive instances for data types | (bsd3, development, library, program) | 2019-01-22 | 2.6.5 | AustinSeipp, NeilMitchell, StefanORear, VladimirShabanov, ip1981 |
| derive-gadt | 4 | 0.0 | 1 | Instance deriving for (a subset of) GADTs. | (bsd3, development, language, library, program) | 2009-07-25 | 0.1.1 | MattMorrow |
| derive-is-data-con | 3 | 0.0 | 0 | This package generates data constructor predicate functions | (bsd3, development, library) | 2025-02-22 | 0.1.0.0 | songzh |
| derive-lifted-instances | 12 | 0.0 | 1 | Derive class instances though various kinds of lifting | (apache, data, development, generics, library) | 2026-01-05 | 0.3 | SjoerdVisscher |
| derive-prim | 4 | 0.0 | 0 | Derive Prim and PrimUnaligned | (data, development, generics, gpl, library) | 2024-05-12 | 0.1.0.1 | k355l3r5yndr0m3 |
| derive-topdown | 29 | 2.0 | 1 | Derive type class instances | (bsd3, development, library) | 2026-04-09 | 0.1.1.1 | songzh |
| deriving-via-fun | 5 | 0.0 | 0 | Deriving via first-class functions | (bsd3, development, library) | 2025-11-06 | 0.1.1.0 | lyxia |
| dhall-check | 7 | 0.0 | 1 | Check all dhall files in a project | (bsd3, development, program) | 2017-05-07 | 1.1.0.0 | anfelor |
| dib | 16 | 0.0 | 1 | A simple, forward build system. | (development, library, mit, program) | 2018-01-10 | 0.7.2 | blajzer |
| dictionary-sharing | 5 | 0.0 | 1 | Sharing/memoization of class members | (bsd3, development, library) | 2015-06-24 | 0.1.0.0 | JonasDuregard |
| difftodo | 5 | 0.0 | 0 | Generate todo lists from source code | (development, library, program) | 2016-09-10 | 0.2.0 | jml |
| disassembler | 10 | 0.0 | 2 | Disassembler for X86 & AMD64 machine code | (bsd3, development, disassembler, library) | 2015-05-26 | 0.2.0.1 | DirkKleeblatt, MartinGrabmueller |
| dockercook | 24 | 0.0 | 1 | A build tool for multiple docker image layers | (development, library, mit, program) | 2016-09-12 | 0.5.0.3 | AlexanderThiemann |
| docvim | 24 | 0.0 | 0 | Documentation generator for Vim plug-ins | (development, library, mit, program) | 2016-06-26 | 0.3.2.1 | wincent |
| doxygen-parser | 2 | 0.0 | 0 | Parse Doxygen XML output into a typed Haskell AST | (bsd3, development, documentation, library, parsing) | 2026-06-21 | 0.1.1 | EdskoDeVries, bolt12 |
| dr-cabal | 16 | 0.0 | 0 | See README for more info | (development, library, mpl, profiling, program) | 2022-11-20 | 0.2.0.0 | shersh |
| driving-classes-plugin | 12 | 0.0 | 0 | Deriving without spelling out "deriving" | (development, library, mit) | 2022-09-13 | 0.1.4.0 | lyxia |
| dump | 29 | 2.0 | 1 | Dumps the names and values of expressions to ease debugging. | (development, library, mit, quasiquotes) | 2015-07-24 | 0.2.8 | Wizek |
| dump-core | 9 | 0.0 | 7 | A plug-in for rendering GHC core | (development, library) | 2021-11-28 | 0.1.4 | IavorDiatchki |
| dupIO | 2 | 0.0 | 0 | Duplicate any closure | (bsd3, development, library) | 2023-08-31 | 0.1.0 | EdskoDeVries |
| dwarfadt | 12 | 0.0 | 1 | High-level wrapper around the dwarf library | (bsd3, development, library, program) | 2018-03-18 | 0.6 | EyalLotem |
| dynamic | 20 | 0.0 | 0 | A dynamic type for Haskell | (bsd3, development, library) | 2019-04-06 | 0.1.0 | ChrisDone |
| dyre | 76 | 0.0 | 20 | Dynamic reconfiguration in Haskell | (bsd3, configuration, development, library) | 2023-05-18 | 0.9.2 | WillDonnelly, frasertweedale |
| early | 7 | 0.0 | 0 | Early return syntax in do-notation (GHC plugin) | (bsd3, development, library, program) | 2021-01-06 | 0.0.0 | ChrisDone |
| edentv | 20 | 0.0 | 1 | A Tool to Visualize Parallel Functional Program Executions | (development, eden, gpl, profiling, program, trace) | 2015-01-22 | 4.10.0 | MischaDieterle, JostBerthold, horstmeyer |
| effectful-zoo | 25 | 0.0 | 1 | Effectful effects for testing | (bsd3, development, library) | 2025-05-31 | 0.0.6.0 | haskellworks |
| elm-init | 48 | 2.0 | 1 | Set up basic structure for an elm project | (development, mit, program) | 2016-09-10 | 1.0.5 | justus |
| envstatus | 6 | 0.0 | 0 | Display efficiently the state of the local environment | (development, library, mit, program) | 2018-10-28 | 1.0.2 | gbataille |
| erd | 21 | 0.0 | 1 | An entity-relationship diagram generator from a plain text description. | (database, development, program, public-domain) | 2020-02-02 | 0.2.1.0 | burntsushi, mmzx |
| error-analyze | 3 | 0.0 | 1 | Parse ghc and cabal error messages and give their causes for easier resolution | (bsd3, development, ghc, library) | 2015-11-02 | 0.0.1 | JeanPhilippeMoresmau |
| error-location (deprecated in favor of file-location) | 41 | 0.0 | 1 | error functions that show file location information | (bsd3, deprecated, development, library) | 2011-08-02 | 0.1.5.5 | GregWeber |
| error-message | 11 | 0.0 | 1 | Composable error messages. | (bsd3, development, error-handling, library) | 2010-11-15 | 1.1 | GregoryCrosswhite |
| eventlog2html | 72 | 0.0 | 1 | Visualise an eventlog | (bsd3, development, library, program) | 2025-06-03 | 0.12.0 | mpickering, fendor, DavidBinder |
| extra | 305 | 2.5 | 283 | Extra functions I use. | (bsd3, development, library) | 2025-11-23 | 1.8.1 | NeilMitchell |
| extract-dependencies | 4 | 0.0 | 1 | Given a hackage package outputs the list of its dependencies. | (development, library, mit, program) | 2016-05-31 | 0.2.0.1 | yamadapc |
| extractelf | 2 | 0.0 | 1 | Extract an ELF's metadata and sections into files | (bsd3, development, program) | 2013-09-21 | 0.1.0.0 | EyalLotem |
| fail | 6 | 2.0 | 146 | Forward-compatible MonadFail class | (bsd3, development, library) | 2016-01-21 | 4.9.0.0 | HerbertValerioRiedel |
| fast-tags | 52 | 0.0 | 1 | Fast incremental vi and emacs tags. | (bsd3, development, haskell, library, program) | 2025-01-27 | 2.0.3 | EvanLaforge, SergeyVinokurov |
| fathead-util | 2 | 0.0 | 1 | Utilities for working with DuckDuckHack's FatHead Instant Answers | (development, gpl, library) | 2016-08-17 | 0.1.0.0 | GuiltyDolphin |
| fay | 244 | 0.0 | 13 | A compiler for Fay, a Haskell subset that compiles to JavaScript. | (bsd3, development, fay, library, program, web) | 2021-01-10 | 0.24.2.0 | AdamBergmark, ChrisDone, swamp_agr |
| fay-base | 83 | 0.0 | 12 | The base package for Fay. | (bsd3, development, fay, library) | 2021-01-10 | 0.21.2.0 | AdamBergmark, ChrisDone, swamp_agr |
| file-location | 42 | 0.0 | 3 | common functions that show file location information | (bsd3, development, library) | 2017-04-10 | 0.4.9.1 | GregWeber |
| file-modules | 17 | 0.0 | 1 | Takes a Haskell source-code file and outputs its modules. | (development, library, mit, program) | 2016-08-11 | 0.1.2.4 | yamadapc |
| filepath-io-access | 1 | 0.0 | 1 | IO Access for filepath | (development, gpl, library) | 2013-12-31 | 0.1.0.0 | bheklilr |
| filepattern | 14 | 2.0 | 21 | File path glob-like matching | (bsd3, development, filepath, library) | 2022-08-21 | 0.1.3 | NeilMitchell |
| firstify | 4 | 0.0 | 1 | Defunctionalisation for Yhc Core | (bsd3, development, library, program) | 2008-04-03 | 0.1 | NeilMitchell |
| flamingra | 10 | 0.0 | 1 | FlameGraphs of profiling | (bsd3, development, library, program) | 2016-06-19 | 0.2 | AntonNikishaev |
| flexible-unlit | 5 | 0.0 | 1 | A configurable reimplementation of unlit | (bsd3, development, library, program) | 2013-11-10 | 0.2013.314.0 | StijnVanDrongelen |
| flo | 5 | 0.0 | 1 | Generate flow charts from your code base. | (bsd3, development, library, program) | 2015-09-14 | 0.1.1 | ChrisDone |
| floskell | 40 | 2.0 | 1 | A flexible Haskell source code pretty printer | (bsd3, development, library, program) | 2023-12-18 | 0.11.1 | ecramer |
| foreign-store | 19 | 2.25 | 13 | Store a stable pointer in a foreign context to be retrieved later. | (bsd3, development, library) | 2024-02-26 | 0.2.1 | ChrisDone, esz |
| fourmolu | 106 | 1.25 | 1 | A formatter for Haskell source code | (bsd3, development, formatting, library, program) | 2026-06-18 | 0.20.0.0 | parsonsmatt, brandonchinn178, GeorgeThomas |
| fpco-api | 53 | 0.0 | 1 | Simple interface to the FP Complete IDE API. | (bsd3, development, library) | 2015-02-17 | 1.2.0.5 | ChrisDone, MichaelSnoyman |
| fresco-binding | 14 | 0.0 | 1 | Fresco binding for Haskell | (development, ffi, interfaces, library) | 2017-09-22 | 0.3.0 | PeterAlthainz |
| friendly | 18 | 2.25 | 1 | Attempt to pretty-print any input | (bsd3, development, program) | 2025-07-19 | 0.1.1 | EdskoDeVries |
| fugue | 3 | 0.0 | 1 | A recapitulated prelude with minimal dependencies and profligate exports. | (bsd3, development, library) | 2012-09-15 | 0.1 | AlecHeller |
| fused-effects-readline | 10 | 0.0 | 0 | A readline-like effect and carrier for fused-effects | (bsd3, development, library) | 2025-01-08 | 0.2.0.0 | patrick_thomson, robrix |
| fusion-plugin | 36 | 2.0 | 2 | GHC plugin to make stream fusion more predictable. | (apache, development, library) | 2026-04-14 | 0.2.8 | harendra, pranaysashank, adithyaov, ranjeetra |
| fusion-plugin-types | 2 | 0.0 | 4 | Types for the fusion-plugin package. | (bsd3, development, library) | 2020-02-17 | 0.1.0 | harendra, pranaysashank |
| gauge (deprecated in favor of criterion, tasty-bench) | 30 | 2.5 | 3 | small framework for performance measurement and analysis | (benchmarking, bsd3, deprecated, development, performance, testing) | 2019-09-08 | 0.2.5 | VincentHanquez |
| generic-env | 4 | 0.0 | 0 | Generic Environment Generator | (development, library, mit) | 2019-04-30 | 0.1.1.0 | yigitozkavci |
| geodetic | 15 | 0.0 | 1 | Geodetic calculations | (bsd3, development, library) | 2014-11-24 | 0.1.4 | TonyMorris, qfpl |
| gerrit | 20 | 0.0 | 0 | A gerrit client library | (apache, development, library) | 2025-01-06 | 0.1.6.1 | TristanCacqueray, fboucher |
| ghc | 280 | 2.5 | 353 | The GHC API | (bsd3, development) | 2025-12-19 | 9.14.1 | BenGamari, HerbertValerioRiedel, LuiteStegeman, wz1000 |
| ghc-api-compat | 18 | 0.0 | 10 | GHC-API compatibility helpers | (bsd3, development, library) | 2021-09-06 | 9.0.1 | SylvainHenry |
| ghc-bench | 14 | 0.0 | 0 | Benchmark a Haskell development system | (development, mit, program) | 2026-05-02 | 0.3.4 | SimonHengel |
| ghc-build-stats | 1 | 0.0 | 0 | A tool for analysing the output of ghc-build-stats-plugin | (bsd3, development, library, program) | 2026-06-03 | 0.1.0.0 | teo |
| ghc-build-stats-plugin | 2 | 0.0 | 0 | A plugin for collecting GHC build statistics | (bsd3, development, library) | 2026-06-03 | 0.1.0.0 | teo |
| ghc-check | 39 | 0.0 | 1 | detect mismatches between compile-time and run-time versions of the ghc api | (bsd3, development, library) | 2022-08-14 | 0.5.0.8 | PepeIborra |
| ghc-clippy-plugin | 3 | 2.0 | 1 | Override GHC error messages to the user's liking | (bsd3, compiler-plugin, development, library) | 2020-06-12 | 0.0.0.1 | arturgajowy |
| ghc-core | 42 | 0.0 | 1 | Display GHC's core and assembly output in a pager | (bsd3, development, program) | 2012-11-11 | 0.5.6 | DonaldStewart, ShachafBenKiki |
| ghc-core-html | 13 | 0.0 | 1 | Core to HTML display | (bsd3, development, program) | 2015-07-04 | 0.1.4 | VincentHanquez |
| ghc-datasize | 25 | 0.0 | 2 | Determine the size of data structures in GHC's memory | (bsd3, debug, development, ghc, library) | 2024-08-22 | 0.2.7 | DennisFelsing |
| ghc-debug-client | 25 | 0.0 | 1 | Useful functions for writing heap analysis tools which use ghc-debug. | (bsd3, development, library) | 2026-03-25 | 0.8.0.0 | mpickering, fendor |
| ghc-debug-common | 21 | 0.0 | 2 | Connect to a socket created by ghc-debug-stub and analyse the heap of the debuggee program. | (bsd3, development, library) | 2026-03-25 | 0.8.0.0 | mpickering, fendor |
| ghc-debug-stub | 22 | 0.0 | 5 | Functions for instrumenting your application so the heap can be analysed with ghc-debug-common. | (bsd3, development, library) | 2026-03-25 | 0.8.0.0 | mpickering, fendor |
| ghc-debugger (deprecated in favor of haskell-debugger) | 10 | 0.0 | 0 | A step-through machine-interface debugger for GHC Haskell | (bsd3, deprecated, development, library, program) | 2025-06-27 | 0.4.0.0 | romes |
| ghc-dump-core | 11 | 0.0 | 1 | An AST and compiler plugin for dumping GHC's Core representation. | (bsd3, development, library) | 2022-04-13 | 0.2.1.0 | BenGamari |
| ghc-dump-tree | 6 | 0.0 | 0 | Dump GHC's parsed, renamed, and type checked ASTs | (bsd3, development, library, program) | 2016-10-03 | 0.2.0.2 | EdskoDeVries |
| ghc-dump-util | 10 | 0.0 | 0 | Handy tools for working with ghc-dump dumps | (bsd3, development, library, program) | 2022-04-13 | 0.2.1.0 | BenGamari |
| ghc-eventlog-loopback | 3 | 0.0 | 0 | Let an application read its own eventlog | (bsd3, development, library) | 2025-12-21 | 0.1.0.0 | teo |
| ghc-events | 171 | 0.0 | 9 | Library and tool for parsing .eventlog files from GHC | (bsd3, debug, development, ghc, library, profiling, program, trace) | 2025-12-23 | 0.21.0.0 | DuncanCoutts, MikolajKonarski, MitsutoshiAoe, SimonMarlow, teo |
| ghc-events-analyze | 28 | 2.0 | 1 | Analyze and visualize event logs | (bsd3, development, profiling, program, trace) | 2025-07-19 | 0.2.9 | BenGamari, EdskoDeVries |
| ghc-events-parallel | 19 | 0.0 | 1 | Library and tool for parsing .eventlog files from parallel GHC | (bsd3, debug, development, eden, ghc, library, profiling, program, trace) | 2014-07-18 | 0.5.0.1 | MischaDieterle, JostBerthold, horstmeyer |
| ghc-exactprint | 261 | 2.5 | 24 | ExactPrint for GHC | (bsd3, development) | 2025-10-14 | 1.14.0.0 | AlanZimmerman, PepeIborra, mpickering, wz1000, fendor, michaelpj |
| ghc-experimental | 18 | 0.0 | 5 | Experimental features of GHC's standard library | (bsd3, development, library) | 2025-12-19 | 9.1401.0 | BenGamari, LuiteStegeman, wz1000 |
| ghc-gc-tune | 18 | 0.0 | 1 | Graph performance of Haskell programs with different GC flags | (bsd3, development, program) | 2020-07-14 | 0.3.2 | DonaldStewart, ArtemPelenitsyn |
| ghc-generic-instances | 2 | 0.0 | 1 | Derived instances of GHC.Generic of the GHC AST | (development, library, public-domain) | 2015-01-17 | 0.1.0.0 | AlanZimmerman |
| ghc-hie | 15 | 0.0 | 0 | HIE-file parsing machinery that supports multiple versions of GHC | (development, library, mit) | 2026-05-11 | 0.0.5 | SimonHengel |
| ghc-imported-from | 49 | 0.0 | 1 | Find the Haddock documentation for a symbol. | (bsd3, development, library, program) | 2016-06-01 | 0.3.0.6 | CarloHamalainen |
| ghc-lib | 718 | 2.25 | 4 | The GHC API, decoupled from GHC versions | (bsd3, development, library) | 2025-12-20 | 9.14.1.20251220 | cocreature, dylanthinnes, shayne_fletcher |
| ghc-lib-parser | 584 | 1.25 | 15 | The GHC API, decoupled from GHC versions | (bsd3, development, library) | 2025-12-20 | 9.14.1.20251220 | cocreature, dylanthinnes |
| ghc-lib-parser-ex | 238 | 0.0 | 5 | Programming with GHC parse trees | (bsd3, development, library, program) | 2025-12-20 | 9.14.2.0 | NeilMitchell, shayne_fletcher |
| ghc-make | 20 | 0.0 | 1 | Accelerated version of ghc --make | (bsd3, development, program) | 2017-11-09 | 0.3.3 | NeilMitchell |
| ghc-man-completion | 5 | 0.0 | 1 | Generate a bash completion from the GHC manpage | (bsd3, development, ghc, program, system, tools) | 2012-06-16 | 0.0.0.3 | JoeQuinn |
| ghc-mod (deprecated) | 273 | 2.75 | 5 | Happy Haskell Hacking | (agpl, deprecated, development, ghc, library, program) | 2017-06-11 | 5.8.0.0 | KazuYamamoto, DanielG |
| ghc-mtl | 16 | 0.0 | 3 | An mtl compatible version of the Ghc-Api monads and monad-transformers. | (bsd3, development, library) | 2014-05-06 | 1.2.1.0 | DanielGorin |
| ghc-parmake | 26 | 0.0 | 1 | A parallel wrapper for 'ghc --make'. | (bsd3, development, library, program) | 2015-12-17 | 0.1.9 | MikhailGlushenkov |
| ghc-paths | 24 | 2.0 | 83 | Knowledge of GHC's installation directories | (bsd3, development, library) | 2019-08-21 | 0.1.0.12 | AlanZimmerman, SimonMarlow |
| ghc-pkg-autofix | 18 | 0.0 | 1 | Simple utility to fix BROKEN package dependencies for cabal-install. | (bsd3, development, program) | 2012-02-18 | 0.2.0.1 | HiromiIshii |
| ghc-pkg-lib | 19 | 0.0 | 3 | Provide library support for ghc-pkg information | (bsd3, development, library) | 2015-10-10 | 0.3.1 | JeanPhilippeMoresmau |
| ghc-prof | 81 | 0.0 | 1 | Library for parsing GHC time and allocation profiling reports | (bsd3, development, library) | 2025-06-16 | 1.4.1.14 | MitsutoshiAoe |
| ghc-simple | 21 | 0.0 | 1 | Simplified interface to the GHC API. | (development, library, mit) | 2016-06-30 | 0.4 | AntonEkblad |
| ghc-source-gen | 38 | 0.0 | 1 | Constructs Haskell syntax trees for the GHC API. | (bsd3, development, library) | 2026-02-06 | 0.4.7.0 | JudahJacobson, gnezdo, JinwooLee |
| ghc-stack-annotations | 5 | 0.0 | 1 | RTS Callstack annotation library | (bsd, bsd3, development, library) | 2026-06-23 | 0.2.0.0 | fendor |
| ghc-stack-profiler | 11 | 0.0 | 0 | RTS Callstack profiler for GHC. | (benchmarking, bsd3, development, library, profiling) | 2026-07-14 | 0.4.0.0 | wenkokke, fendor |
| ghc-stack-profiler-core | 7 | 0.0 | 4 | Thread sample types and serialisation logic for `ghc-stack-profiler`. | (benchmarking, bsd3, development, library, profiling) | 2026-07-14 | 0.4.0.0 | wenkokke, fendor |
| ghc-stack-profiler-speedscope | 8 | 0.0 | 0 | Convert eventlog messages from `ghc-stack-profiler` into a speedscope json. | (benchmarking, bsd3, development, library, profiling, program) | 2026-07-14 | 0.4.0.0 | wenkokke, fendor |
| ghc-stdin | 14 | 0.0 | 0 | Compile source code from the standard input | (bsd3, development, library) | 2025-05-04 | 0.2.1.0 | lyokha |
| ghc-syb | 16 | 0.0 | 3 | Data and Typeable instances for the GHC API. | (bsd3, development, library) | 2010-03-28 | 0.2.0.0 | ThomasSchilling, DanielG |
| ghc-syb-utils | 20 | 1.5 | 11 | Scrap Your Boilerplate utilities for the GHC API. | (bsd3, development, library) | 2018-08-09 | 0.3.0.0 | ThomasSchilling, DanielG |
| ghc-tags | 27 | 0.0 | 0 | Utility for generating ctags and etags with GHC API. | (development, mpl, program) | 2025-11-19 | 1.10 | arybczak |
| ghc-tags-core | 49 | 2.0 | 2 | CTags and ETags from Haskell syntax tree. | (development, library, mpl) | 2026-03-08 | 0.6.2.0 | coot |
| ghc-tags-pipes | 7 | 0.0 | 1 | Streaming interface for ghc-tags-core | (development, library, mpl) | 2023-05-02 | 0.1.1.0 | coot |
| ghc-tags-plugin | 68 | 2.0 | 0 | A compiler plugin which generates tags file from GHC parsed syntax tree. | (development, library, mpl) | 2026-03-08 | 0.6.2.0 | coot |
| ghc-time-alloc-prof (deprecated in favor of ghc-prof) | 10 | 0.0 | 1 | Library for parsing GHC time and allocation profiling reports | (bsd3, deprecated, development, library) | 2016-08-20 | 0.1.0 | MitsutoshiAoe |
| ghc-trace-events | 50 | 0.0 | 4 | Faster traceEvent and traceMarker, and binary object logging for eventlog | (bsd3, development, ghc, library, trace) | 2025-04-05 | 0.1.2.10 | MitsutoshiAoe |
| ghc-usage | 7 | 0.0 | 1 | Print minimal export lists | (bsd3, development, library, program) | 2017-03-11 | 0.1.0.1 | EdwardYang |
| ghc-vis | 73 | 2.0 | 1 | Live visualization of data structures in GHCi | (bsd3, debug, development, ghc, library) | 2024-01-07 | 0.9.3.1 | DennisFelsing |
| ghci-dap | 53 | 0.0 | 2 | ghci-dap is a GHCi having DAP interface. | (bsd3, development, library, program) | 2026-05-01 | 0.0.27.0 | phoityne_hs |
| ghci-ng | 20 | 0.0 | 1 | Next generation GHCi | (bsd3, development, program) | 2015-11-16 | 10.0.0 | HerbertValerioRiedel |
| ghci-pretty | 9 | 0.0 | 2 | colored pretty-printing within ghci | (development, library, mit) | 2014-11-13 | 0.0.2 | larsk, kindaro |
| ghci-quickfix | 6 | 0.0 | 1 | GHC plugin that writes errors to a file for use with quickfix | (bsd3, development, library) | 2026-08-01 | 0.1.1.1 | aaronallen8455 |
| ghcid | 143 | 2.5 | 7 | GHCi based bare bones IDE | (bsd3, development, library, program) | 2023-07-02 | 0.8.9 | NeilMitchell |
| ghcide | 217 | 0.0 | 39 | The core of an IDE | (apache, development, library) | 2026-04-27 | 2.14.0.0 | AlanZimmerman, NeilMitchell, PepeIborra, cocreature, aherrmann, berberman, jneira, hls_team |
| ghcide-bench | 21 | 0.0 | 0 | An LSP client for running performance experiments on HLS | (apache, development, library, program) | 2024-05-08 | 2.8.0.0 | hls_team |
| ghcide-test-utils | 11 | 0.0 | 1 | Test utils for ghcide | (apache, development, library) | 2024-02-08 | 2.0.0.0 | hls_team |
| ghcprofview | 10 | 0.0 | 0 | GHC .prof files viewer | (bsd3, development, program) | 2022-06-01 | 0.1.0.2 | IlyaPortnov |
| ghczdecode | 4 | 2.0 | 1 | Decode Z-encoded strings from GHC | (bsd3, development, program) | 2013-02-05 | 0.1.0.1 | EyalLotem |
| ght | 14 | 0.0 | 1 | Trivial routines for inspecting git repositories | (development, library, program) | 2011-11-14 | 0.4.0.1 | ConradParker |
| giak | 4 | 0.0 | 1 | Fuzzy finder for cabal executables | (development, mit, program) | 2016-07-12 | 0.1.0.1 | nmattia |
| gipeda | 45 | 0.0 | 1 | Git Performance Dashboard | (development, mit, program) | 2017-04-16 | 0.3.3.2 | JoachimBreitner |
| git | 10 | 1.75 | 3 | Git operations in haskell | (bsd3, development, library) | 2019-01-26 | 0.3.0 | VincentHanquez |
| git-all | 15 | 0.0 | 1 | Determine which Git repositories need actions to be taken | (bsd3, development, program) | 2025-11-20 | 1.8.1 | JohnWiegley |
| git-checklist | 3 | 0.0 | 1 | Maintain per-branch checklists in Git | (desktop, development, program) | 2014-01-06 | 1.0.0.0 | dougalstanton |
| git-fmt | 51 | 0.0 | 1 | Custom git command for formatting code. | (bsd3, development, program) | 2015-12-10 | 0.4.1.0 | hjwylde |
| git-gpush | 26 | 0.0 | 1 | More intelligent push-to-GitHub utility. | (bsd3, development, program) | 2014-09-23 | 3.1.0.1 | JohnWiegley |
| git-jump | 14 | 0.0 | 1 | Move a git branch | (bsd3, development, program) | 2015-11-22 | 0.1.0.3 | EyalLotem |
| git-mediate | 25 | 2.0 | 1 | Tool to help resolving git conflicts | (development, gpl, program) | 2024-09-20 | 1.1.0 | EyalLotem |
| git-monitor | 46 | 0.0 | 1 | Passively snapshots working tree changes efficiently. | (bsd3, development, program) | 2025-12-12 | 3.2.2 | JohnWiegley |
| git-sanity | 8 | 0.0 | 1 | A sanity checker for your git history. | (apache, development, library, program) | 2014-12-23 | 0.1.0.0 | aloiscochard |
| git-vogue | 48 | 0.0 | 1 | A framework for pre-commit checks. | (bsd3, development, library, program) | 2018-05-12 | 0.3.0.2 | ChristianMarie, oswynb |
| gitHUD (deprecated in favor of githud) | 21 | 0.0 | 0 | More efficient replacement to the great git-radar | (bsd3, deprecated, development, library, program) | 2017-03-31 | 1.3.7 | gbataille |
| githash | 68 | 0.0 | 23 | Compile git revision info into Haskell projects | (bsd3, development, library) | 2023-06-21 | 0.1.7.0 | MichaelSnoyman |
| github-tools | 7 | 0.0 | 1 | Various Github helper utilities. | (development, gpl, library, program) | 2023-12-20 | 0.1.2 | iphydf |
| githud | 28 | 0.0 | 0 | Heads up, and you see your GIT context | (bsd3, development, library, program) | 2022-10-23 | 3.3.0 | gbataille |
| gitignore | 4 | 0.0 | 1 | Apply GitHub .gitignore templates to already existing repositories. | (bsd3, development, program) | 2016-03-03 | 1.1 | RickyElrod |
| gitignore-ospath | 5 | 0.0 | 0 | Library for reading .gitignore files and filtering paths | (apache, development, library) | 2026-01-09 | 0.1.0.2 | federicotedin |
| gitrev | 14 | 2.25 | 38 | Compile git revision info into Haskell projects | (bsd3, development, library) | 2017-03-17 | 1.3.1 | AdamFoltzer |
| gitrev-typed | 4 | 0.0 | 0 | Compile git revision info into Haskell projects | (bsd3, development, library) | 2025-05-07 | 0.1 | tbidne |
| glean-hs | 2 | 0.0 | 0 | Docker-free Haskell code indexing via Rust-native Glean substrate | (development, language, library, mit, program) | 2026-07-27 | 0.1.0 | seido |
| graph-trace | 7 | 0.0 | 0 | Trace the call graph of a program | (debug, development, graph, library, mit, plugin, tooling) | 2023-03-17 | 0.1.0.2 | aaronallen8455 |
| graph-trace-dot | 14 | 0.0 | 0 | Converts a graph-trace log into a DOT file for use with Graphviz | (debug, development, graph, library, mit, plugin, program, tooling) | 2023-03-17 | 0.1.1.3 | aaronallen8455 |
| graph-trace-viz | 7 | 0.0 | 0 | Converts a graph-trace log into an HTML document | (debug, development, graph, mit, plugin, program, tooling) | 2023-03-17 | 0.1.1.1 | aaronallen8455 |
| graph-visit | 5 | 0.0 | 1 | Graph walk abstraction | (bsd3, development, library) | 2013-07-24 | 0.1.0.2 | AtzeDijkstra |
| graphmod | 49 | 2.25 | 1 | Present the module dependencies of a program as a "dot" graph. | (bsd3, development, library, program) | 2022-12-22 | 1.4.5.1 | IavorDiatchki |
| graphql-w-persistent | 66 | 2.0 | 1 | GraphQL interface middleware for SQL databases. | (data, database, development, graphs, language, library) | 2020-09-18 | 0.9.1.0 | jasonsychau |
| grasp | 4 | 0.0 | 0 | GRASP implementation for the AMMM project. | (bsd3, development, library, program) | 2016-01-18 | 0.1.0.0 | janmasrovira |
| greencard-lib | 2 | 0.0 | 1 | A foreign function interface pre-processor library for Haskell | (bsd3, development, library) | 2008-03-10 | 3.0.1 | GwernBranwen |
| grm | 7 | 0.0 | 2 | grm grammar converter | (bsd3, development, library, program) | 2012-03-30 | 0.1.1 | BrettLetner |
| gtk2hs-buildtools | 87 | 0.0 | 1 | Tools to build the Gtk2Hs suite of User Interface libraries. | (development, gpl, library, program) | 2025-03-20 | 0.13.12.0 | AndyStewart, AxelSimon, DanielWagner, DuncanCoutts, HamishMackenzie |
| guardian | 4 | 0.0 | 0 | The border guardian for your package dependencies | (bsd3, development, library, program) | 2024-02-22 | 0.5.0.0 | HiromiIshii |
| guess-combinator | 6 | 0.0 | 1 | Generate simple combinators given their type | (bsd3, development, library) | 2012-05-16 | 0.1.1 | EtienneLaurin |
| hCM | 9 | 0.0 | 0 | Conceptual modelling support for Haskell | (data-structures, development, library, mit, model, program) | 2017-05-08 | 0.1.0.0 | MarekSuchanek |
| hackage-cli | 30 | 0.0 | 0 | CLI tool for Hackage | (development, gpl, library, program) | 2026-04-18 | 0.2.0.0 | AndreasAbel, HerbertValerioRiedel |
| hackage-proxy (deprecated) | 33 | 0.0 | 1 | Provide a proxy for Hackage which modifies responses in some way. (deprecated) | (deprecated, development, mit, program) | 2014-03-20 | 0.3.0.1 | MichaelSnoyman |
| hackage-revdeps | 16 | 0.0 | 1 | List Hackage reverse dependencies | (bsd3, development, library, program) | 2026-06-27 | 0.4 | Bodigrim |
| hackmanager | 5 | 0.0 | 0 | Generate useful files for Haskell projects | (bsd3, development, library, program) | 2015-08-23 | 0.1.0.0 | AlexanderThiemann |
| haddock-leksah (deprecated in favor of haddock) | 5 | 0.0 | 2 | A documentation-generation tool for Haskell libraries | (bsd3, deprecated, development, program) | 2010-03-07 | 2.6.0 | JuergenNicklischFranken |
| haddock-use-refs | 3 | 0.0 | 2 | Eliminate warnings for names referred in Haddock only | (bsd3, development, library) | 2025-03-12 | 1.0.1 | DaniilIaitskov |
| hadolint | 164 | 0.0 | 0 | Dockerfile Linter JavaScript API | (development, gpl, library) | 2026-07-31 | 2.15.1 | lorenzo, moritz |
| hake | 43 | 0.0 | 1 | make tool. ruby : rake = haskell : hake | (development, library, program) | 2013-12-23 | 1.3.8.1 | YoshikuniJujo |
| halberd | 35 | 0.0 | 1 | A tool to generate missing import statements for Haskell modules. | (bsd3, development, library, program) | 2014-09-17 | 0.1.2.9 | ErikHesselink |
| halive | 34 | 0.0 | 0 | A live recompiler | (bsd2, development, library, program) | 2021-03-26 | 0.1.8 | lukexi |
| haltavista | 3 | 0.0 | 1 | looks for functions given a set of example input/outputs | (development, gpl, program) | 2010-09-19 | 0.1.0.1 | PaulBrauner |
| hannahci | 6 | 0.0 | 1 | Simple Continuous Integration/Deployment System | (agpl, development, program) | 2015-02-01 | 0.1.4.2 | Elzair |
| happraise | 4 | 0.0 | 1 | A small program for counting the comments in haskell source | (bsd3, development, program) | 2008-05-02 | 0.1 | AllanClark |
| happy | 138 | 1.25 | 1 | Happy is a parser generator for Haskell | (bsd2, development, program) | 2026-04-06 | AndreasAbel, IavorDiatchki, JohnEricson, SimonMarlow, int_index, sgraf812 | |
| happy-lib | 57 | 0.0 | 0 | Happy is a parser generator for Haskell implemented using this library | (bsd2, development, library) | 2026-04-06 | AndreasAbel, IavorDiatchki, JohnEricson, SimonMarlow, int_index, sgraf812 | |
| happy-meta | 49 | 0.0 | 2 | Quasi-quoter for Happy parsers | (bsd3, development, library) | 2023-02-24 | 0.2.1.0 | JonasDuregard, ArtemPelenitsyn |
| happybara | 2 | 0.0 | 2 | Acceptance test framework for web applications | (development, library, mit) | 2014-04-14 | 0.0.1 | cstrahan |
| happybara-webkit | 2 | 0.0 | 1 | WebKit Happybara driver | (development, library, mit) | 2014-04-14 | 0.0.1 | cstrahan |
| happybara-webkit-server | 2 | 0.0 | 1 | WebKit Server binary for Happybara (taken from capybara-webkit) | (development, library, mit) | 2014-04-14 | 0.0.1 | cstrahan |
| harmony | 8 | 2.0 | 0 | A web service specification compiler that generates implementation and tests. | (development, gpl, library, program) | 2015-08-19 | 0.1.1.0 | SantiMunin |
| haskdogs | 32 | 2.0 | 1 | Generate tags file for Haskell project and its nearest deps | (bsd3, development, program) | 2019-01-25 | 0.6.0 | SergeyMironov |
| haskell-ci (deprecated) | 67 | 2.0 | 0 | Cabal package script generator for Travis-CI | (deprecated, development, gpl, library, program) | 2024-02-25 | 0.18.1 | HerbertValerioRiedel, phadej |
| haskell-dap | 37 | 0.0 | 3 | Haskell implementation of the DAP interface data. | (bsd3, development, library) | 2022-11-27 | 0.0.16.0 | phoityne_hs |
| haskell-debug-adapter | 40 | 0.0 | 1 | Haskell Debug Adapter. | (bsd3, development) | 2025-03-16 | 0.0.42.0 | phoityne_hs |
| haskell-debugger | 35 | 0.0 | 0 | A step-through debugger for GHC Haskell | (bsd3, development, library, program) | 2026-04-28 | 0.13.1.0 | romes |
| haskell-debugger-view | 4 | 0.0 | 1 | Custom debug visualization instances for @haskell-debugger@ | (bsd3, development, library) | 2026-02-24 | 0.2.1.0 | romes |
| haskell-docs | 61 | 0.0 | 1 | A program to find and display the docs and type of a name | (bsd3, development, library, program) | 2019-05-15 | 4.2.9 | AnthonyCowley, ChrisDone, IvanMiljenovic |
| haskell-docs-cli | 5 | 0.0 | 0 | Search Hoogle and navigate Hackage from the command line. | (bsd3, development, haskell, library, program) | 2022-11-20 | 1.0.0.0 | lazamar |
| haskell-formatter (deprecated in favor of hindent) | 17 | 0.0 | 1 | Haskell source code formatter | (deprecated, development, library, mit, program) | 2020-11-07 | 2.0.3 | evolutics |
| haskell-gi | 272 | 0.0 | 77 | Generate Haskell bindings for GObject Introspection capable libraries | (development, lgpl, library) | 2025-07-06 | 0.26.17 | inaki |
| haskell-gi-base | 263 | 0.0 | 97 | Foundation for libraries generated by haskell-gi | (development, lgpl, library) | 2025-07-05 | 0.26.9 | inaki |
| haskell-import-graph | 13 | 0.0 | 0 | create haskell import graph for graphviz | (development, library, mit, program) | 2018-04-28 | 1.0.4 | ncaq |
| haskell-language-server | 87 | 2.5 | 0 | LSP server for GHC | (apache, development, library, program) | 2026-04-27 | 2.14.0.0 | AlanZimmerman, NeilMitchell, PepeIborra, mpickering, cocreature, Ailrun, luke_, berberman, jneira, hls_team |
| haskell-lsp (deprecated in favor of lsp) | 104 | 2.25 | 13 | Haskell library for the Microsoft Language Server Protocol | (deprecated, development, library, mit) | 2021-01-13 | 0.24.0.0 | AlanZimmerman, lorenzo, wz1000, luke_ |
| haskell-lsp-client (deprecated) | 6 | 2.0 | 0 | A haskell package to build your own Language Server client. | (deprecated, development, gpl, language, library, program, protocol) | 2017-12-29 | 1.0.0.1 | |
| haskell-lsp-types (deprecated in favor of lsp-types) | 108 | 2.0 | 8 | Haskell library for the Microsoft Language Server Protocol, data types | (deprecated, development, library, mit) | 2021-01-13 | 0.24.0.0 | AlanZimmerman, lorenzo, wz1000, luke_ |
| haskell-src-exts-simple | 20 | 0.0 | 4 | A simplified view on the haskell-src-exts AST | (development, library, mit) | 2024-12-27 | 1.23.1.0 | BertramFelgenhauer |
| haskell-stack-trace-plugin | 17 | 0.0 | 0 | haskell-stack-trace-plugin | (compiler-plugin, debug, development, library, mit, program) | 2021-05-25 | 0.1.3.0 | waddlaw |
| haskell-token-utils | 13 | 0.0 | 2 | Utilities to tie up tokens to an AST | (development, library, public-domain) | 2014-10-13 | 0.0.0.6 | AlanZimmerman |
| haskellscript | 15 | 0.0 | 1 | Command line tool for running Haskell scripts with a hashbang. | (bsd3, development, program) | 2015-05-28 | 0.2.3 | seanparsons |
| hasktags | 57 | 0.0 | 2 | Produces ctags "tags" and etags "TAGS" files for Haskell programs | (bsd3, development, library, program) | 2023-08-10 | 0.73.0 | IanLynagh, MarcWeber, jhenahan |
| hat | 91 | 0.0 | 1 | The Haskell tracer, generating and viewing Haskell execution traces | (development, library, program) | 2017-11-03 | 2.9.4 | OlafChitil |
| hayoo-cli | 12 | 0.0 | 1 | Hayoo CLI | (development, mit, program) | 2014-08-18 | 0.1.0.4 | Gonzih |
| hbb | 8 | 0.0 | 1 | Haskell Busy Bee, a backend for text editors. | (development, lgpl, program) | 2014-10-28 | 0.4.0.2 | wolfch |
| hdevtools | 50 | 2.5 | 1 | Persistent GHC powered background server for FAST haskell development tools | (development, mit, program) | 2019-03-10 | 0.1.8.0 | BitConnor, SchellScivally, ranjitjhala, ch1bo |
| hdirect | 4 | 0.0 | 1 | An IDL compiler for Haskell | (bsd3, development, library, program) | 2010-02-14 | 0.21.0 | DonaldStewart |
| hdocs | 68 | 0.0 | 2 | Haskell docs tool | (bsd3, development, library, program) | 2020-11-04 | 0.5.5.0 | AlexandrRuchkin |
| headergen | 7 | 0.0 | 1 | Creates a header for a haskell source file. | (development, mit, program) | 2015-07-30 | 0.2.0.0 | bash0r |
| heapsize | 14 | 0.0 | 1 | Determine the size of runtime data structures | (bsd3, debug, development, ghc, library) | 2020-12-09 | 0.3.0.1 | PepeIborra |
| hedgehog-generic | 1 | 0.0 | 0 | GHC Generics automatically derived hedgehog generators | (bsd3, data, development, library, testing) | 2019-04-17 | 0.1 | chessai |
| hein | 12 | 0.0 | 1 | An extensible build helper for haskell, in the vein of leiningen. | (apache, development, program) | 2015-06-06 | 0.1.0.5 | khanage |
| help-esb | 18 | 0.0 | 1 | A Haskell client for the Help.com team's ESB. | (development, library, mit) | 2014-11-13 | 0.1.6 | suitupalex |
| henforcer | 3 | 0.0 | 1 | GHC plugin to enforce user specified rules on code. | (compiler-plugin, development, library, mit, static-analysis) | 2026-02-09 | 1.0.0.1 | TrevisElser |
| hesh | 15 | 0.0 | 0 | the Haskell Extensible Shell: Haskell for Bash-style scripts | (development, library, mit, program) | 2017-03-07 | 1.11.0 | ChrisForno |
| hfd | 1 | 0.0 | 1 | Flash debugger | (bsd3, development, program) | 2011-09-02 | 0.0.2 | YurasShumovich |
| hgdbmi | 6 | 0.0 | 1 | GDB Machine Interface: program-driven control of GDB | (bsd3, development, library) | 2013-01-14 | 0.2 | AlexanderBernauer, EvanMartin, srk |
| hgrev | 42 | 2.0 | 1 | Compile Mercurial (hg) version info into Haskell code | (bsd3, development, library) | 2020-08-02 | 0.2.6 | wraithm, LukeHoersten |
| hhp | 27 | 2.0 | 0 | Happy Haskell Programming | (bsd3, development, library, program) | 2026-05-11 | 1.0.4 | KazuYamamoto |
| hi-file-parser | 28 | 0.0 | 1 | Parser for GHC's *.hi files | (bsd3, development, library) | 2026-06-29 | 0.1.9.1 | MichaelSnoyman, borsboom, fpcomplete, mpilgrem |
| hie-bios | 164 | 0.0 | 7 | Set up a GHC API session | (bsd3, development, library, program) | 2026-07-30 | 0.21.0 | mpickering, fendor |
| hie-compat | 29 | 0.0 | 6 | HIE files for GHC 8.8 and other HIE file backports | (apache, development, library) | 2023-11-13 | 0.3.1.2 | AlanZimmerman, PepeIborra, wz1000, fendor, jneira, hls_team |
| hie-core (deprecated in favor of ghcide) | 6 | 0.0 | 0 | The core of an IDE | (apache, deprecated, development, library, program) | 2019-09-07 | 0.0.1 | cocreature |
| hiedb | 39 | 0.0 | 7 | Generates a references DB from .hie files | (bsd3, development, library, program) | 2026-01-21 | 0.8.0.0 | AlanZimmerman, wz1000, jhrcek |
| hiedb-plugin | 2 | 0.0 | 0 | See README on Github for more information | (development, library, mit) | 2024-04-02 | 0.1.0 | suzzr0 |
| highWaterMark (deprecated) | 3 | 0.0 | 1 | Memory usage statistics | (deprecated, development, program) | 2008-03-17 | 0.1.1 | GwernBranwen |
| hindent | 190 | 2.25 | 4 | Extensible Haskell pretty printer | (bsd3, development, library, program) | 2026-01-24 | 6.3.0 | ChrisDone, MihaiMaruseac, gibiansky, sighingnow |
| hint-nix | 6 | 0.0 | 0 | Helper for using hint with Nix package databases | (agpl, development, library) | 2025-09-18 | 0.1.0.1 | sridca |
| hit | 60 | 0.0 | 3 | Git like program in haskell | (bsd3, development, program) | 2019-01-26 | 0.7.0 | VincentHanquez |
| hit-graph | 5 | 0.0 | 1 | Use graph algorithms to access and manipulate Git repos | (development, git, graphs, library, public-domain) | 2016-04-09 | 0.1 | akrasner |
| hlint | 470 | 2.75 | 14 | Source code suggestions | (bsd3, development, library, program) | 2025-02-02 | 3.10 | NeilMitchell |
| hls-alternate-number-format-plugin | 35 | 0.0 | 1 | Provide Alternate Number Formats plugin for Haskell Language Server | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PepeIborra, jneira, Nicksuchecki, hls_team |
| hls-brittany-plugin | 22 | 0.0 | 1 | Integration with the Brittany code formatter | (agpl, development) | 2022-12-26 | 1.1.0.0 | PepeIborra, Ailrun, berberman, jneira, hls_team |
| hls-cabal-fmt-plugin | 20 | 0.0 | 1 | Integration with the cabal-fmt code formatter | (apache, development, library) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-cabal-plugin | 18 | 0.0 | 1 | Cabal integration plugin with Haskell Language Server | (development, library, mit) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-call-hierarchy-plugin | 37 | 0.0 | 1 | Call hierarchy plugin for Haskell Language Server | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PepeIborra, jneira, hls_team |
| hls-change-type-signature-plugin | 25 | 0.0 | 1 | Change a declarations type signature with a Code Action | (apache, development, library) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-class-plugin | 64 | 0.0 | 1 | Class/instance management plugin for Haskell Language Server | (apache, development) | 2024-01-15 | 2.6.0.0 | AlanZimmerman, PepeIborra, Ailrun, jneira, hls_team |
| hls-code-range-plugin | 37 | 0.0 | 1 | HLS Plugin to support smart selection range and Folding range | (apache, development, library) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-eval-plugin | 67 | 2.0 | 1 | Eval plugin for Haskell Language Server | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PasqualinoAssini, PepeIborra, Ailrun, berberman, jneira, hls_team |
| hls-explicit-fixity-plugin | 24 | 0.0 | 1 | Show fixity explicitly while hovering | (apache, development, library) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-explicit-imports-plugin | 58 | 0.0 | 2 | Explicit imports plugin for Haskell Language Server | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PepeIborra, Ailrun, berberman, jneira, hls_team |
| hls-explicit-record-fields-plugin | 41 | 0.0 | 1 | Explicit record fields plugin for Haskell Language Server | (bsd3, development, library) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-floskell-plugin | 38 | 0.0 | 1 | Integration with the Floskell code formatter | (apache, development) | 2024-01-15 | 2.6.0.0 | PepeIborra, Ailrun, berberman, jneira, hls_team |
| hls-fourmolu-plugin | 38 | 0.0 | 1 | Integration with the Fourmolu code formatter | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PepeIborra, Ailrun, jneira, hls_team |
| hls-gadt-plugin | 21 | 0.0 | 1 | Convert to GADT syntax plugin | (apache, development) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-graph | 70 | 0.0 | 16 | Haskell Language Server internal graph API | (apache, development, library) | 2026-04-27 | 2.14.0.0 | NeilMitchell, PepeIborra, jneira, hls_team |
| hls-haddock-comments-plugin | 34 | 0.0 | 1 | Haddock comments plugin for Haskell Language Server | (apache, development) | 2023-08-29 | 2.2.0.0 | PepeIborra, Ailrun, berberman, jneira, hls_team |
| hls-hlint-plugin | 40 | 0.0 | 1 | Hlint integration plugin with Haskell Language Server | (apache, development) | 2024-01-15 | 2.6.0.0 | AlanZimmerman, PepeIborra, jneira, hls_team |
| hls-module-name-plugin | 32 | 0.0 | 1 | Module name plugin for Haskell Language Server | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PepeIborra, jneira, hls_team |
| hls-ormolu-plugin | 57 | 0.0 | 1 | Integration with the Ormolu code formatter | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PepeIborra, jneira, hls_team |
| hls-overloaded-record-dot-plugin | 29 | 0.0 | 1 | Overloaded record dot plugin for Haskell Language Server | (bsd3, development) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-plugin-api | 105 | 0.0 | 37 | Haskell Language Server API for plugin communication | (apache, development, library) | 2026-04-27 | 2.14.0.0 | AlanZimmerman, PepeIborra, wz1000, luke_, berberman, jneira, hls_team |
| hls-pragmas-plugin | 35 | 0.0 | 1 | Pragmas plugin for Haskell Language Server | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PepeIborra, Ailrun, berberman, jneira, hls_team |
| hls-qualify-imported-names-plugin | 21 | 0.0 | 1 | A Haskell Language Server plugin that qualifies imported names | (apache, development, library) | 2024-01-15 | 2.6.0.0 | PepeIborra, jneira, eddiemundo, hls_team |
| hls-refactor-plugin | 25 | 0.0 | 7 | Exactprint refactorings for Haskell Language Server | (apache, development) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-refine-imports-plugin | 15 | 0.0 | 1 | Refine imports plugin for Haskell Language Server | (apache, development, library) | 2023-06-28 | 2.0.0.1 | PepeIborra, jneira, hls_team |
| hls-rename-plugin | 34 | 0.0 | 1 | Rename plugin for Haskell Language Server | (apache, development) | 2024-01-15 | 2.6.0.0 | PepeIborra, jneira, hls_team |
| hls-retrie-plugin | 63 | 0.0 | 2 | Retrie integration plugin for Haskell Language Server | (apache, development) | 2024-01-15 | 2.6.0.0 | PepeIborra, Ailrun, berberman, jneira, hls_team |
| hls-selection-range-plugin | 2 | 0.0 | 0 | HLS Plugin to support smart selection range | (apache, development, library) | 2022-01-29 | 1.0.0.0 | PepeIborra, jneira, kokobd, hls_team |
| hls-semantic-tokens-plugin | 3 | 0.0 | 1 | Call hierarchy plugin for Haskell Language Server | (apache, development, library) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-splice-plugin | 52 | 0.0 | 1 | HLS Plugin to expand TemplateHaskell Splices and QuasiQuotes | (apache, development) | 2024-01-15 | 2.6.0.0 | AlanZimmerman, HiromiIshii, PepeIborra, Ailrun, wz1000, luke_, jneira, hls_team |
| hls-stan-plugin | 20 | 0.0 | 1 | Stan integration plugin with Haskell Language Server | (apache, development) | 2024-01-15 | 2.6.0.0 | hls_team |
| hls-stylish-haskell-plugin | 35 | 0.0 | 1 | Integration with the Stylish Haskell code formatter | (apache, development) | 2024-01-15 | 2.6.0.0 | PepeIborra, Ailrun, berberman, jneira, michaelpj, hls_team |
| hls-tactics-plugin | 48 | 0.0 | 1 | Wingman plugin for Haskell Language Server | (apache, development) | 2023-08-29 | 2.2.0.0 | AlanZimmerman, PepeIborra, Ailrun, isovector, wz1000, jneira, hls_team |
| hls-test-utils | 116 | 0.0 | 0 | Utilities used in the tests of Haskell Language Server | (apache, development, library) | 2026-04-27 | 2.14.0.0 | PepeIborra, Ailrun, berberman, jneira, hls_team |
| hmk | 28 | 0.0 | 1 | A make alternative based on Plan9's mk. | (control, development, distribution, library, program) | 2016-01-11 | 0.9.7.4 | MathieuBoespflug |
| hmumps | 5 | 0.0 | 1 | Interpreter for the MUMPS langugae | (development, program) | 2010-05-12 | 0.1.1 | AntoineLatter |
| holy-project | 21 | 2.0 | 1 | Start your Haskell project with cabal, git and tests. | (development, library, mit, program) | 2015-08-24 | 0.2.0.1 | yogsototh |
| homoiconic | 9 | 0.0 | 1 | Constructs FAlgebras from typeclasses, making Haskell functions homoiconic | (bsd3, development, library) | 2016-06-18 | 0.1.2.0 | MikeIzbicki |
| hoobuddy | 5 | 0.0 | 1 | Simple tool for fetching and merging hoogle data | (development, mit, program) | 2015-01-07 | 0.1.0.1 | gilligan |
| hoogle | 313 | 2.5 | 7 | Haskell API Search | (bsd3, development, library, program) | 2026-01-19 | 5.0.19.0 | NeilMitchell, Bodigrim |
| hothasktags | 29 | 0.0 | 1 | Generates ctags for Haskell, incorporating import lists and qualified imports | (bsd3, development, program) | 2017-01-25 | 0.3.8 | JohnLato, LukePalmer |
| houseman | 2 | 0.0 | 0 | A Haskell implementation of Foreman | (development, library, mit, program) | 2016-05-06 | 0.1.0 | DaisukeFujimura |
| hp2any-core | 13 | 0.0 | 3 | Heap profiling helper library | (bsd3, development, library, profiling, utils) | 2013-03-04 | 0.11.2 | GergelyPatai |
| hp2any-graph | 24 | 0.0 | 1 | Real-time heap graphing utility and profile stream server with a reusable graphing module. | (bsd3, development, profiling, program, utils) | 2014-07-23 | 0.5.4.2 | GergelyPatai |
| hp2any-manager | 15 | 0.0 | 1 | A utility to visualise and compare heap profiles. | (bsd3, development, profiling, program, utils) | 2013-03-04 | 0.4.6 | GergelyPatai |
| hp2pretty | 42 | 2.25 | 1 | generate pretty graphs from heap profiles | (bsd3, development, program) | 2024-10-25 | 0.10.1 | ClaudeHeilandAllen |
| hpack | 379 | 2.0 | 11 | A modern format for Haskell packages | (development, library, mit, program) | 2026-06-06 | 0.39.6 | SimonHengel, SoenkeHahn, mpilgrem |
| hpack-convert | 22 | 2.0 | 1 | Convert Cabal manifests into hpack's package.yamls | (development, library, mit, program) | 2017-06-22 | 1.0.1 | yamadapc |
| hpack-dhall | 31 | 0.0 | 0 | Hpack with Dhall | (bsd3, development, library, program, public-domain) | 2026-06-10 | 0.6.0 | philderbeast, sellout |
| hpaco | 26 | 0.0 | 1 | Modular template compiler | (bsd3, development, program) | 2014-07-31 | 0.28.0.5 | TobiasDammers |
| hpaco-lib | 38 | 0.0 | 1 | Modular template compiler library | (bsd3, development, library) | 2014-07-31 | 0.28.0.5 | TobiasDammers |
| hpage | 119 | 0.0 | 1 | A scrapbook for Haskell developers | (bsd3, development, editor, ide, program) | 2010-08-28 | 0.12.2 | FernandoBenavides |
| hpc-threshold | 11 | 0.0 | 0 | Ensure the code coverage is above configured thresholds | (bsd3, development, library, program) | 2018-04-25 | 0.1.0.3 | eckyputrady |
| hpp | 38 | 0.0 | 2 | A Haskell pre-processor | (bsd3, development, library, program) | 2022-04-04 | 0.6.5 | AnthonyCowley |
| hs | 7 | 0.0 | 0 | GHC-toolchain installer broker | (bsd3, development, library, program) | 2021-07-06 | 0.1.0.2 | ChrisDornan |
| hs-di | 12 | 2.0 | 1 | Dependency Injection library for Haskell | (bsd3, control, dependency-injection, development, library, program, template-haskell, testing) | 2016-09-26 | 0.3.0 | Wizek |
| hs-highlight | 10 | 2.0 | 0 | A tool to highlight terminal strings | (development, library, mit, program) | 2025-02-26 | 1.0.4 | lorenzo_wb |
| hs-opentelemetry-instrumentation-auto | 13 | 0.0 | 0 | Plugin for instrumenting an application | (bsd3, development, library) | 2025-11-23 | 0.1.0.3 | aaronallen8455 |
| hs-pkg-config | 6 | 0.0 | 1 | Create pkg-config configuration files | (bsd3, data, development, library) | 2014-12-24 | 0.2.1.0 | PeterTrsko |
| hs-speedscope | 15 | 0.0 | 1 | Convert an eventlog into the speedscope json format | (bsd3, development, library, program) | 2025-06-07 | 0.3.0 | OliverCharles, mpickering, fendor, teo |
| hs-tags | 18 | 0.0 | 0 | Create tag files (ctags and etags) for Haskell code. | (development, mit, program) | 2022-01-10 | 0.1.5.3 | AndreasAbel, AndresSicardRamirez, NilsAndersDanielsson, UlfNorell |
| hsb2hs | 12 | 0.0 | 1 | Preprocesses a file, adding blobs from files as string literals. | (bsd3, development, program) | 2015-07-05 | 0.3.1 | JohnMacFarlane |
| hsbencher | 65 | 0.0 | 3 | Launch and gather data from Haskell and non-Haskell benchmarks. | (bsd3, development, library) | 2015-04-26 | 1.20.0.5 | JoelSvensson, RyanNewton |
| hsc2hs | 33 | 0.0 | 1 | A preprocessor that helps with writing Haskell bindings to C code | (bsd3, development, program) | 2023-09-20 | 0.68.10 | BenGamari, HerbertValerioRiedel, wz1000 |
| hscaffold | 25 | 0.0 | 0 | Very simple file/directory structure scaffolding writer monad EDSL | (development, library, mit, program) | 2016-11-15 | 0.4.5.0 | yamadapc |
| hscurses-fish-ex | 11 | 0.0 | 1 | hscurses swimming fish example | (console, development, education, help, program, user-interfaces) | 2018-01-08 | 1.3.2 | DinoMorelli |
| hsdev | 171 | 0.0 | 1 | Haskell development library | (bsd3, development, library, program) | 2020-11-04 | 0.3.4.0 | AlexandrRuchkin |
| hsenv | 6 | 0.0 | 1 | Virtual Haskell Environment builder | (bsd3, development, program) | 2014-08-28 | 0.5 | TaylorHedberg |
| hsfcsh | 2 | 0.0 | 1 | Incremental builder for flash | (bsd3, development, program) | 2011-09-02 | 0.0.1 | YurasShumovich |
| hsfilt | 3 | 0.0 | 1 | Z-decoder. | (development, mit, program) | 2014-11-03 | 0.1.0.0 | OmerAgacan |
| hsimport | 104 | 0.0 | 1 | Extend the import list of a Haskell source file | (bsd3, development, library, program, utils) | 2019-09-15 | 0.11.0 | fendor |
| hslinks | 8 | 0.0 | 1 | Resolves links to Haskell identifiers. | (bsd3, development, program) | 2014-08-19 | 0.6.1 | HansHoglund |
| hsmin | 3 | 0.0 | 0 | Haskell source code minifier for LLM token reduction | (development, library, mit, program) | 2026-03-29 | 0.1.0 | Jappie |
| hspec-dirstream | 25 | 0.0 | 1 | Helper functions to simplify adding integration tests. | (bsd3, development, library, testing) | 2022-02-28 | 1.0.0.4 | vmchale |
| hspec-setup | 14 | 0.0 | 0 | Add an hspec test-suite in one command | (development, library, mit, program) | 2016-08-22 | 0.2.1.0 | yamadapc |
| hssourceinfo | 2 | 0.0 | 1 | get haskell source code info | (bsd3, development, program) | 2012-02-22 | 0.0.2 | YoshikuniJujo |
| hstyle | 9 | 0.0 | 1 | Checks Haskell source code for style compliance. | (bsd3, development, program) | 2011-11-08 | 0.2.0.3 | DougBeardsley, JasperVanDerJeugt |
| hsubconvert | 5 | 0.0 | 1 | One-time, faithful conversion of Subversion repositories to Git | (bsd3, development, program) | 2012-10-13 | 0.0.2 | JohnWiegley |
| htags | 9 | 0.0 | 1 | A Haskell98 parsing tags program similar to ctags. | (bsd3, development, program, source-tools, utils) | 2008-11-03 | 1.0.1 | DavidSankel |
| http-download | 13 | 0.0 | 3 | Verified downloads with retries | (bsd3, development, library) | 2026-07-01 | 0.2.2.0 | MichaelSnoyman, borsboom, fpcomplete, mpilgrem |
| hub | 15 | 0.0 | 1 | For multiplexing GHC installations and providing development sandboxes | (bsd3, development, distribution, program) | 2015-02-23 | 1.9.0.1 | ChrisDornan |
| hugs2yc | 3 | 0.0 | 1 | Hugs Front-end to Yhc Core. | (bsd3, development, library) | 2009-01-18 | 0.1.1 | DmitryGolubovsky |
| hw-ci-assist | 2 | 0.0 | 0 | CI Assistant for Haskell projects | (bsd3, development, library, program) | 2019-04-04 | 0.1.0.0 | haskellworks |
| hw-polysemy | 84 | 0.0 | 0 | Opinionated polysemy library | (apache, development, library) | 2024-12-30 | 0.3.1.2 | haskellworks |
| hw-prelude | 42 | 0.0 | 2 | Opinionated prelude library | (apache, development, library) | 2025-05-31 | 0.0.5.0 | haskellworks |
| hwk | 12 | 0.0 | 0 | Commandline text processing with Haskell functions | (development, mit, program) | 2021-06-14 | 0.6 | JensPetersen |
| hwm | 17 | 2.0 | 0 | Haskell Workspace Manager - Orchestrates Stack, Cabal, and HLS | (development, library, mit, program) | 2026-03-27 | 0.5.0 | nalchevanidze |
| hzenity | 11 | 0.0 | 1 | Haskell interface to Zenity dialogs | (bsd3, development, library) | 2021-12-25 | 0.4.1 | EmilAxelsson |
| ide-backend | 29 | 0.0 | 2 | An IDE backend library | (development, library, mit, program) | 2016-01-06 | 0.10.0.1 | MichaelSloan, MichaelSnoyman |
| ide-backend-common | 25 | 0.0 | 2 | Shared library used be ide-backend and ide-backend-server | (development, library, mit) | 2016-01-06 | 0.10.1.2 | MichaelSloan, MichaelSnoyman |
| ide-backend-rts (deprecated in favor of ide-backend-server) | 7 | 0.0 | 1 | RTS for the IDE backend | (deprecated, development, library, mit) | 2015-03-30 | 0.1.3.1 | MichaelSloan, MichaelSnoyman |
| ide-backend-server | 15 | 0.0 | 1 | An IDE backend server | (development, mit, program) | 2016-01-10 | 0.10.0.2 | MichaelSloan, MichaelSnoyman |
| idringen | 6 | 0.0 | 0 | A project manage tool for Idris. | (bsd3, development, library, program) | 2016-08-24 | 0.1.0.3 | zjhsdtc |
| ihaskell | 117 | 2.5 | 21 | A Haskell backend kernel for the Jupyter project. | (development, library, mit, program) | 2025-11-15 | 0.13.0.0 | gibiansky, VaibhavSagar |
| ihaskell-aeson | 9 | 0.0 | 1 | IHaskell display instances for Aeson | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-basic | 3 | 0.0 | 1 | IHaskell display instances for basic types | (development, library, mit) | 2015-06-24 | 0.3.0.0 | gibiansky, VaibhavSagar |
| ihaskell-blaze | 12 | 0.0 | 3 | IHaskell display instances for blaze-html types | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-charts | 15 | 0.0 | 1 | IHaskell display instances for charts types | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-diagrams | 28 | 0.0 | 1 | IHaskell display instances for diagram types | (development, library, mit) | 2023-11-08 | 0.4.0.0 | gibiansky, VaibhavSagar |
| ihaskell-display (deprecated in favor of ihaskell) | 2 | 0.0 | 1 | IHaskell display instances for basic types | (deprecated, development, library, mit) | 2014-01-10 | 0.1.0.0 | gibiansky, VaibhavSagar |
| ihaskell-gnuplot | 1 | 0.0 | 1 | IHaskell display instance for Gnuplot (from gnuplot package) | (development, library, mit) | 2017-12-24 | 0.1.0.1 | VaibhavSagar |
| ihaskell-graphviz | 5 | 0.0 | 0 | IHaskell display instance for GraphViz (external binary) | (development, library, mit) | 2019-04-26 | 0.1.0.0 | VaibhavSagar |
| ihaskell-hatex | 10 | 0.0 | 1 | IHaskell display instances for hatex | (development, library, mit) | 2017-12-24 | 0.2.1.1 | gibiansky, VaibhavSagar |
| ihaskell-hvega | 49 | 2.0 | 1 | IHaskell display instance for hvega types. | (bsd3, development, library) | 2026-01-09 | 0.5.0.7 | DouglasBurke |
| ihaskell-inline-r | 5 | 0.0 | 1 | Embed R quasiquotes and plots in IHaskell notebooks. | (bsd3, development, library) | 2016-01-24 | 0.1.1.0 | FacundoDominguez, MathieuBoespflug |
| ihaskell-juicypixels | 12 | 0.0 | 1 | IHaskell - IHaskellDisplay instances of the image types of the JuicyPixels package. | (development, library, mit) | 2017-12-24 | 1.1.0.1 | gibiansky, VaibhavSagar |
| ihaskell-magic | 11 | 0.0 | 1 | IHaskell display instances for bytestrings | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-parsec | 9 | 0.0 | 1 | IHaskell display instances for Parsec | (development, library, mit) | 2015-06-24 | 0.3.0.0 | gibiansky, VaibhavSagar |
| ihaskell-plot | 8 | 0.0 | 1 | IHaskell display instance for Plot (from plot package) | (development, library, mit) | 2017-12-24 | 0.3.0.1 | gibiansky, VaibhavSagar |
| ihaskell-rlangqq | 10 | 0.0 | 1 | a rDisp quasiquote to show plots from Rlang-QQ in IHaskell | (bsd3, development, library) | 2015-06-24 | 0.3.0.0 | gibiansky, VaibhavSagar |
| ihaskell-symtegration | 2 | 0.0 | 0 | IHaskell extension for making the use of Symtegration more seamless. | (apache, development, ihaskell, library, symbolic-computation) | 2025-02-01 | 0.1.0 | chungyc |
| impl | 8 | 0.0 | 0 | Framework for defaulting superclasses | (development, library, mit, template-haskell) | 2018-11-27 | 0.2.0.0 | dailectic |
| implicit-hie | 32 | 0.0 | 2 | Auto generate hie-bios cradles & hie.yaml | (bsd3, development, hie, hls, library, tools) | 2022-12-22 | 0.1.4.0 | Avi_Dessauer |
| implicit-hie-cradle | 33 | 0.0 | 1 | Auto generate hie-bios cradles | (bsd3, development, hie, hls, library, tools) | 2023-03-15 | 0.5.0.1 | Avi_Dessauer |
| import-style-plugin | 2 | 0.0 | 0 | Helps maintain consistency of imports | (development, library, mit) | 2024-04-30 | 0.1.0.0 | goosedb |
| importify | 8 | 0.0 | 0 | Tool for haskell imports refactoring | (development, library, mit, program, refactoring) | 2017-12-23 | 1.0.1 | serokell |
| imports | 8 | 2.0 | 1 | Generate code for importing directories automatically | (development, library, mit) | 2016-01-21 | 0.2.0.0 | CindyLinz |
| include-env | 27 | 0.0 | 1 | Include the value of an environment variable at compile time | (bsd3, development, library) | 2022-01-08 | 0.5.0.0 | ocramz |
| include-file | 11 | 0.0 | 1 | Inclusion of files in executables at compile-time. | (bsd3, development, library) | 2019-02-07 | 0.1.0.4 | DanielDiaz |
| infer-license | 3 | 0.0 | 1 | Infer software license from a given license file | (development, library, mit) | 2018-07-15 | 0.2.0 | SimonHengel |
| infer-upstream | 6 | 0.0 | 1 | Find the repository from where a given repo was forked | (development, mit, program) | 2014-08-15 | 0.1.1.0 | NoonSilk |
| intelli-monad | 26 | 0.0 | 0 | Type level prompt with LLMs via louter. | (development, library, mit, program) | 2026-05-05 | 0.1.3.0 | junjihashimoto |
| interlude | 6 | 0.0 | 2 | Replaces some Prelude functions for enhanced error reporting | (development, library) | 2009-12-12 | 0.1.2 | GwernBranwen, KetilMalde |
| intero | 81 | 2.0 | 1 | Complete interactive development program for Haskell | (bsd3, development, program) | 2019-05-14 | 0.1.40 | AnthonyCowley, ChrisDone |
| ip2location | 38 | 0.0 | 1 | IP2Location Haskell package for IP geolocation. | (development, library, mit) | 2026-07-23 | 8.7.1 | ip2location |
| ip2location-io | 14 | 0.0 | 0 | IP2Location.io Haskell package for IP geolocation and domain WHOIS. | (development, library, mit) | 2026-07-24 | 1.5.1 | ip2location |
| ip2proxy | 29 | 0.0 | 0 | IP2Proxy Haskell package for proxy detection. | (development, library, mit) | 2026-07-23 | 3.5.1 | ip2location |
| ipatch | 4 | 2.0 | 1 | interactive patch editor | (development, gpl, program) | 2012-04-15 | 0.1.1 | JoachimBreitner |
| ipedb | 6 | 0.0 | 3 | Build databases with IPE data | (bsd3, development, library, program) | 2026-07-17 | 0.2.0.1 | wenkokke, fendor |
| ipython-kernel | 60 | 0.0 | 4 | A library for creating kernels for IPython frontends | (development, library, mit) | 2025-11-15 | 0.12.1.0 | gibiansky, VaibhavSagar |
| iridium | 20 | 0.0 | 0 | Automated Local Cabal Package Testing and Uploading | (bsd3, development, library, program) | 2018-10-03 | 0.1.5.8 | lspitzner |
| itanium-abi | 15 | 0.0 | 3 | An implementation of name mangling/demangling for the Itanium ABI | (bsd3, development, library) | 2025-02-18 | 0.1.3 | TristanRavitch |
| itcli | 2 | 0.0 | 1 | Issue Tracker for the CLI | (bsd3, development, program) | 2018-09-14 | 0.1.8.3 | theNerd247 |
| iterm-show | 4 | 0.0 | 2 | Enable graphical display of images inline on some terminals | (bsd3, development, library, program) | 2018-10-10 | 0.1.0.1 | lukec |
| iterm-show-JuicyPixels | 2 | 0.0 | 1 | Orphan Show instances for JuciyPixels image types. | (bsd3, development, library) | 2018-10-10 | 0.1.0.0 | lukec |
| ja-base-extra | 5 | 0.0 | 2 | Extra functions I require in base | (bsd3, development, library) | 2015-09-26 | 0.2.1.0 | justus |
| jarfind | 11 | 0.0 | 1 | Tool for searching java classes, members and fields in classfiles and JAR archives | (development, language, library, program, utils) | 2012-10-30 | 0.1.0.3 | EugeneKirpichov |
| java-character | 8 | 0.0 | 1 | Functions to simulate Java's Character class. | (bsd3, development, library) | 2012-10-30 | 0.0.4 | TonyMorris |
| javasf | 1 | 0.0 | 1 | A utility to print the SourceFile attribute of one or more Java class files. | (bsd3, development, program) | 2014-05-24 | 0.1.0 | TonyMorris |
| javav | 9 | 0.0 | 1 | A utility to print the target version of Java class files. | (bsd3, development, program) | 2014-05-23 | 0.1.1 | TonyMorris |
| jbi | 5 | 0.0 | 0 | Just Build It - a "do what I mean" abstraction for Haskell build tools | (development, library, mit, program) | 2018-02-07 | 0.2.0.0 | IvanMiljenovic |
| jenga (deprecated) | 7 | 2.0 | 0 | Generate a cabal freeze file from a stack.yaml | (bsd2, deprecated, development, library, program) | 2017-05-13 | 0.1.1.0 | ErikDeCastroLopo |
| jl | 5 | 0.0 | 0 | Functional sed for JSON | (bsd3, development, library, program) | 2022-05-17 | 0.1.0 | ChrisDone |
| json-pointy | 1 | 0.0 | 0 | JSON Pointer (RFC 6901) parsing, access, and modification | (bsd3, development, library) | 2019-10-30 | 0.1.0.1 | IanDuncan |
| jupyter | 4 | 0.0 | 0 | A library for creating and using Jupyter kernels. | (development, library, mit, program) | 2016-08-14 | 0.9.0 | gibiansky |
| kansas-lava-shake | 9 | 0.0 | 1 | Shake rules for building Kansas Lava projects | (bsd3, development, library) | 2018-10-03 | 0.3.0 | GergoErdi |
| kdesrc-build-extra (deprecated in favor of kdesrc-build-profiles) | 27 | 0.0 | 1 | Build profiles for kdesrc-build | (deprecated, development, gpl, program) | 2016-04-05 | 0.1.1 | ivan |
| kdesrc-build-profiles | 1 | 0.0 | 0 | Build profiles for kdesrc-build | (development, gpl, program) | 2020-05-27 | 0.2.0 | ivan |
| keera-hails-i18n | 11 | 0.0 | 0 | Rapid Gtk Application Development - I18N | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-mvc-controller | 11 | 0.0 | 0 | Haskell on Gtk rails - Gtk-based controller for MVC applications | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-mvc-environment-gtk | 14 | 0.0 | 1 | Haskell on Gtk rails - Gtk-based global environment for MVC applications | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-mvc-model-lightmodel | 17 | 0.0 | 1 | Rapid Gtk Application Development - Reactive Protected Light Models | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-mvc-model-protectedmodel | 22 | 0.0 | 2 | Rapid Gtk Application Development - Protected Reactive Models | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-mvc-solutions-config | 7 | 0.0 | 0 | Haskell on Gtk rails - Easy handling of configuration files | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-mvc-solutions-gtk | 11 | 0.0 | 0 | Haskell on Gtk rails - Solutions to recurrent problems in Gtk applications | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-mvc-view | 5 | 0.0 | 3 | Haskell on Gtk rails - Generic View for MVC applications | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-mvc-view-gtk | 3 | 0.0 | 2 | Haskell on Gtk rails - Gtk-based View for MVC applications | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-reactive-cbmvar | 6 | 0.0 | 1 | Reactive Haskell on Rails - CBMVars as reactive values | (bsd3, development, library) | 2022-04-05 | 0.8.0 | keera_studios_ci |
| keera-hails-reactive-fs | 5 | 0.0 | 1 | Haskell on Rails - Files as Reactive Values | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-reactive-gtk | 22 | 0.0 | 0 | Haskell on Gtk rails - Reactive Fields for Gtk widgets | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-reactive-network | 14 | 0.0 | 1 | Haskell on Rails - Sockets as Reactive Values | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-reactive-polling | 4 | 0.0 | 1 | Haskell on Rails - Polling based Readable RVs | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-reactive-wx | 15 | 0.0 | 1 | Haskell on Rails - Reactive Fields for WX widgets | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-reactive-yampa | 7 | 0.0 | 1 | Haskell on Rails - FRP Yampa Signal Functions as RVs | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-reactivelenses | 5 | 0.0 | 1 | Reactive Haskell on Rails - Lenses applied to Reactive Values | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keera-hails-reactivevalues | 29 | 1.5 | 12 | Haskell on Rails - Reactive Values | (bsd3, development, library) | 2022-04-05 | 0.8.0 | IvanPerez, keera_studios_ci |
| keiretsu | 1 | 0.0 | 1 | Multi-process orchestration for development and integration testing | (development, program, testing) | 2014-10-20 | 0.4.4 | BrendanHay |
| keiro-dsl | 16 | 0.0 | 0 | Typed specification toolchain for keiro services | (bsd3, development, library, program) | 2026-08-01 | 0.8.0.0 | shinzui |
| kit | 102 | 0.0 | 1 | A dependency manager for Xcode (Objective-C) projects | (bsd3, development, program) | 2013-02-06 | 0.7.12 | NickPartridge |
| konnakol | 7 | 2.0 | 0 | Formalising the rules of Konnakol, an Indian percussional art form. | (development, gpl, library) | 2022-08-16 | 0.3.0.0 | JJMan |
| labels | 19 | 0.0 | 3 | Anonymous records via named tuples | (bsd3, development, library) | 2017-08-29 | 0.3.3 | ChrisDone |
| lambdabot | 67 | 2.0 | 1 | Lambdabot is a development tool and advanced IRC bot | (development, program, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, DmitryMalikov, GwernBranwen, IsaacJones, JamesCook, ncfavier |
| lambdabot-core | 63 | 0.0 | 8 | Lambdabot core functionality | (development, library, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, JamesCook, ncfavier |
| lambdabot-haskell-plugins | 42 | 0.0 | 1 | Lambdabot Haskell plugins | (development, library, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, JamesCook, ncfavier |
| lambdabot-irc-plugins | 30 | 0.0 | 1 | IRC plugins for lambdabot. | (development, library, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, JamesCook, ncfavier |
| lambdabot-misc-plugins | 26 | 0.0 | 1 | Lambdabot miscellaneous plugins | (development, library, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, JamesCook, ncfavier |
| lambdabot-novelty-plugins | 34 | 0.0 | 1 | Novelty plugins for Lambdabot | (development, library, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, JamesCook, ncfavier |
| lambdabot-reference-plugins | 33 | 0.0 | 2 | Lambdabot reference plugins. | (development, library, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, JamesCook, ncfavier |
| lambdabot-social-plugins | 22 | 0.0 | 1 | Social plugins for Lambdabot | (development, library, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, JamesCook, ncfavier |
| lambdabot-telegram-plugins | 6 | 0.0 | 0 | Lambdabot for Telegram | (development, gpl, library, program, web) | 2022-09-24 | 0.2.1 | swamp_agr |
| lambdabot-trusted | 37 | 0.0 | 2 | Lambdabot trusted code. | (development, library, web) | 2023-11-10 | 5.3.1.2 | BertramFelgenhauer, JamesCook, ncfavier |
| lambdabot-utils (deprecated in favor of lambdabot) | 9 | 0.0 | 1 | Utility libraries for the advanced IRC bot, Lambdabot | (deprecated, development, library, web) | 2013-02-16 | 4.2.2 | GwernBranwen, JanStolarek |
| lambdabot-xmpp | 15 | 0.0 | 0 | Lambdabot plugin for XMPP (Jabber) protocol | (development, program) | 2025-02-10 | 0.1.0.6 | SergeyAlirzaev |
| lambdiff | 2 | 0.0 | 1 | Diff Viewer | (bsd3, development, program) | 2011-11-17 | 0.1 | JamieTurner |
| language-docker | 148 | 2.0 | 3 | Dockerfile parser, pretty-printer and embedded DSL | (development, gpl, library) | 2026-07-29 | 16.0.0 | lorenzo, moritz |
| language-dockerfile | 22 | 0.0 | 1 | Dockerfile linter, parser, pretty-printer and embedded DSL | (development, gpl, library) | 2017-05-14 | 0.3.6.0 | yamadapc |
| language-lustre | 4 | 0.0 | 0 | A parser and AST for the Lustre language. | (development, library, program) | 2026-07-06 | 1.0.0 | IavorDiatchki, galoisinc, aschwerdfeger_galois |
| leksah | 187 | 0.0 | 1 | Haskell IDE written in Haskell | (development, editor, ide, library, program) | 2017-08-14 | 0.16.2.2 | HamishMackenzie, JuergenNicklischFranken |
| lentil | 208 | 2.5 | 1 | frugal issue tracker | (development, gpl, program, project-management) | 2025-11-20 | 1.5.10.0 | fffaaa, lwm |
| lhs2TeX-hl | 35 | 0.0 | 1 | Literate highlighter preprocessor for lhs2tex | (development, language, mit, program) | 2011-10-15 | 0.1.4.5 | AlessandroVermeulen |
| lhs2html | 12 | 0.0 | 1 | Compile lhs in bird style to md, html, hs. | (development, program, public-domain) | 2015-03-22 | 0.999999 | JulianFleischer |
| lhs2tex | 34 | 2.0 | 1 | Preprocessor for typesetting Haskell sources with LaTeX | (development, gpl, language, program) | 2025-12-30 | 1.26 | AndresLoeh |
| libclang-bindings | 2 | 0.0 | 1 | libclang bindings | (bsd3, development, library) | 2026-07-20 | 0.1.0.0 | EdskoDeVries, dschrempf |
| libgit | 4 | 0.0 | 2 | Simple Git Wrapper | (bsd3, development, library) | 2015-05-14 | 0.3.1 | VincentHanquez |
| libhbb | 20 | 0.0 | 1 | Backend for text editors to provide better Haskell editing support. | (development, lgpl, library, program) | 2014-10-30 | 0.4.1.0 | wolfch |
| libiserv | 13 | 0.0 | 0 | Provides shared functionality between iserv and iserv-proxy. | (bsd3, development, library) | 2024-07-01 | 9.6.6 | BenGamari, HerbertValerioRiedel, LuiteStegeman, angerman, wz1000 |
| life-sync | 12 | 2.25 | 0 | Synchronize personal configs across multiple machines. | (cli, cli-tool, configuration, development, library, mpl, program) | 2020-05-21 | 1.1.1.0 | vrom911 |
| line-indexed-cursor | 1 | 0.0 | 0 | Line-indexed file reader. | (data, development, library, mit) | 2023-07-23 | 0.1.0.0 | ak3n |
| linearscan | 34 | 0.0 | 2 | Linear scan register allocator, formally verified in Coq | (bsd3, development, library) | 2015-11-20 | 1.0.0 | JohnWiegley |
| linearscan-hoopl | 36 | 0.0 | 1 | Makes it easy to use the linearscan register allocator with Hoopl | (bsd3, development, library) | 2015-11-20 | 1.0.0 | JohnWiegley |
| linux-perf | 6 | 0.0 | 1 | Read files generated by perf on Linux | (bsd3, debug, development, ghc, library, profiling, program, trace) | 2012-11-03 | 0.3 | MikolajKonarski |
| liquidhaskell-cabal | 7 | 0.0 | 1 | Liquid Haskell integration for Cabal and Stack | (bsd3, development, library) | 2019-05-30 | 0.2.1.0 | MichaelSmith |
| liquidhaskell-cabal-demo | 10 | 0.0 | 1 | Demo of Liquid Haskell integration for Cabal and Stack | (development, library, program) | 2019-05-30 | 0.2.1.1 | MichaelSmith |
| lit | 19 | 0.0 | 1 | A simple tool for literate programming | (development, program) | 2016-02-09 | 0.1.10.0 | cdosborn |
| llvm-analysis | 4 | 0.0 | 2 | A Haskell library for analyzing LLVM bitcode | (bsd3, development, library) | 2013-11-12 | 0.3.0 | TristanRavitch |
| llvm-tools | 7 | 0.0 | 1 | Useful tools built on llvm-analysis | (bsd3, development, library, program) | 2013-11-12 | 0.2.0.1 | TristanRavitch |
| located-base | 9 | 0.0 | 2 | Location-aware variants of partial functions | (bsd3, development, library) | 2017-07-20 | 0.1.1.1 | EricSeidel |
| loch | 2 | 0.0 | 1 | Support for precise error locations in source files | (bsd3, development, library, program) | 2007-01-25 | 0.2 | DonaldStewart |
| loch-th | 14 | 0.0 | 20 | Support for precise error locations in source files (Template Haskell version) | (bsd3, development, library) | 2018-04-08 | 0.2.2 | TomasJanousek |
| logict-state | 17 | 0.0 | 2 | Library for logic programming based on haskell package logict | (bsd3, development, library) | 2022-09-16 | 0.1.1.0 | AtzeDijkstra |
| lsp | 63 | 0.0 | 38 | Haskell library for the Microsoft Language Server Protocol | (development, library, mit) | 2026-02-17 | 2.8.0.0 | AlanZimmerman, PepeIborra, wz1000, luke_, jneira, michaelpj, hls_team |
| lsp-types | 74 | 0.0 | 24 | Haskell library for the Microsoft Language Server Protocol, data types | (development, library, mit, program) | 2026-02-17 | 2.4.0.0 | AlanZimmerman, AndreasAbel, PepeIborra, wz1000, luke_, jneira, michaelpj, hls_team |
| lushtags | 6 | 0.0 | 1 | Create ctags compatible tags files for Haskell programs | (development, mit, program) | 2011-09-20 | 0.0.1 | BitConnor |
| macosx-make-standalone | 3 | 0.0 | 1 | Make a macosx app standalone deployable | (bsd3, development, program) | 2013-07-24 | 0.1.0.1 | AtzeDijkstra |
| make-package | 18 | 0.0 | 1 | Make a cabalized package | (bsd3, development, program, utils) | 2014-09-27 | 1.2.0 | PhilippBalzarek |
| makedo | 3 | 0.0 | 1 | Helper for writing redo scripts in Haskell | (bsd3, development, library) | 2011-06-09 | 0.1 | EricKow |
| markdown-unlit | 32 | 0.0 | 4 | Literate Haskell support for Markdown | (development, library, mit, program) | 2023-07-10 | 0.6.0 | SimonHengel |
| marmalade-upload | 22 | 0.0 | 1 | Upload packages to Marmalade | (development, library, mit, program) | 2014-10-26 | 0.10 | lunaryorn |
| marvin | 53 | 0.0 | 0 | A framework for modular, portable chat bots. | (bsd3, development, library, program) | 2017-09-24 | 0.2.5 | justus |
| maybench | 19 | 0.0 | 1 | Automated benchmarking tool | (bsd3, development, library, program) | 2008-09-06 | 0.2.4.1 | EricKow |
| mcp-hoogle | 6 | 0.0 | 0 | MCP server exposing Hoogle search over local project dependencies | (development, ide, library, mit, program) | 2026-05-18 | 0.2.0 | Jappie |
| merkle-tree | 6 | 0.0 | 1 | An implementation of a Merkle tree and merkle tree proofs of inclusion | (development, library) | 2018-11-21 | 0.1.1 | sdiehl |
| microbench | 4 | 0.0 | 1 | Microbenchmark Haskell code | (bsd3, development, library) | 2008-03-02 | 0.1 | EvanMartin |
| minmax | 5 | 0.0 | 5 | Functions to find both minimum and maximum (or several of them simultaneously) in one pass. | (data, development, library, mit) | 2024-01-15 | 0.1.1.0 | OleksandrZhabenko |
| miss | 2 | 0.0 | 1 | A Haskell git implimentation | (bsd3, development, git, library) | 2018-12-30 | 0 | AlecHeller, davean |
| miss-porcelain | 2 | 0.0 | 0 | Useability extras built on top of miss. | (bsd3, development, git, library) | 2018-12-30 | 0 | AlecHeller, davean |
| mm2 (deprecated in favor of mmsyn2) | 6 | 0.0 | 0 | The library that can be used for optimization of multiple (Ord a) => a -> b transformations | (binary-search, deprecated, development, library, mit) | 2019-09-21 | 0.1.1.0 | OleksandrZhabenko |
| mmsyn2 | 38 | 0.0 | 16 | The library that can be used for multiple (Ord a) => a -> b transformations | (binary-search, development, library, mit) | 2021-03-29 | 0.3.2.0 | OleksandrZhabenko |
| mmsyn2-array | 39 | 0.0 | 24 | A library that can be used for multiple Ord a => a -> b transformations. | (binary-search, data, development, language, library, mit) | 2023-01-28 | 0.3.1.1 | OleksandrZhabenko |
| mmsyn2-hashable | 3 | 0.0 | 0 | A library that can be used for multiple Hashable a => a -> b transformations. | (data, development, language, library, mit) | 2021-10-31 | 0.1.0.0 | OleksandrZhabenko |
| module-management | 72 | 0.0 | 1 | Clean up module imports, split and merge modules | (bsd3, development, editor, haskell, ide, library, program, refactoring) | 2016-05-01 | 0.21 | DavidFox |
| monad-log | 6 | 0.0 | 1 | A simple and fast logging monad | (development, library, mit) | 2016-04-25 | 0.1.1.0 | winterland |
| monadic-bang | 30 | 0.0 | 0 | GHC plugin to desugar ! into do-notation | (development, library, mit) | 2026-02-04 | 0.2.2.3 | JakobBruenker |
| monadlog | 2 | 0.0 | 1 | A simple and fast logging monad | (development, library, mit) | 2017-11-07 | 0.1.1.1 | zmactep |
| monadtransform | 5 | 0.0 | 1 | A type-class for transforming monads (homomorphism) in a transformer | (bsd3, development, library) | 2012-09-26 | 0.0.2 | TonyMorris |
| monoid-insertleft | 10 | 0.0 | 6 | Some extension to the Foldable and Monoid classes. | (data, development, library, mit) | 2024-01-13 | 0.1.0.1 | OleksandrZhabenko |
| monoidal-plugins | 5 | 0.0 | 1 | A monoidal interface for aggregating GHC plugins | (bsd3, development, library) | 2026-05-19 | 0.1.1.0 | aaronallen8455 |
| mps (deprecated in favor of air) | 65 | 0.0 | 17 | simply oo | (bsd3, deprecated, development, library) | 2010-11-28 | 2010.11.28 | JinjingWang |
| mueval | 65 | 0.0 | 5 | Safely evaluate pure Haskell expressions | (bsd3, development, language, library, program) | 2023-12-04 | 0.9.4 | ChrisDone, GwernBranwen, ncfavier, TerenceNg03 |
| multi-cabal | 2 | 0.0 | 0 | A tool supporting multi cabal project builds. | (development, library, mit, program) | 2015-08-06 | 0.1.0.0 | bash0r |
| multiprocess | 5 | 0.0 | 0 | Multiprocess architecture library | (bsd3, development, library) | 2019-04-29 | 0.0.0 | ChrisDone |
| mustache | 70 | 2.25 | 13 | A mustache template parser library. | (bsd3, development, library, program) | 2025-05-11 | 2.4.3.1 | SimonHengel, justus, mpilgrem |
| mywork | 5 | 0.0 | 0 | Tool to keep track of what you have been working on and where. | (development, library, program) | 2022-10-13 | 1.0.1.0 | KevinQuick |
| names-th | 36 | 0.0 | 7 | Manipulate name strings for TH | (bsd3, development, library) | 2020-03-14 | 0.3.0.1 | KeiHibino |
| neil | 19 | 0.0 | 1 | General tools for Neil | (bsd3, development, program) | 2015-08-20 | 0.10 | NeilMitchell |
| niv | 50 | 0.0 | 0 | Easy dependency management for Nix projects | (development, library, mit, program) | 2023-03-12 | 0.2.22 | nmattia |
| nixfmt (deprecated) | 14 | 1.75 | 0 | An opinionated formatter for Nix | (deprecated, development, library, mpl) | 2023-10-31 | 0.6.0 | gromak, serokell, LarsJellema, infinisil |
| nm | 6 | 0.0 | 1 | Network Manager, binding to libnm-glib. | (bsd3, development, library, program) | 2013-12-22 | 1.0.1 | ChrisDone |
| nofib-analyse | 11 | 0.0 | 1 | Parse and compare nofib runs | (bsd3, development, program) | 2023-02-01 | 9.4.4 | JoachimBreitner |
| nofib-analyze (deprecated in favor of nofib-analyse) | 4 | 0.0 | 1 | Parse and compare nofib runs | (bsd3, deprecated, development, program) | 2015-05-15 | 7.10.1 | JoachimBreitner |
| normalize-imports | 1 | 0.0 | 1 | Sort and align Haskell import statements | (bsd3, development, program) | 2017-03-14 | 0.1.0 | qoelet |
| nothunks | 65 | 2.0 | 9 | Examine values for unexpected thunks | (apache, development, library) | 2026-07-24 | 0.3.2 | EdskoDeVries, coot, IOHK |
| nptools | 23 | 0.0 | 1 | A collection of random tools | (bsd3, development, program, system, text, utils) | 2013-03-17 | 0.6.0 | NicolasPouillard |
| nsis | 36 | 0.0 | 1 | DSL for producing Windows Installer using NSIS. | (bsd3, development, library) | 2026-01-18 | 0.3.4 | NeilMitchell |
| nyan | 4 | 2.0 | 1 | Bored? Nyan cat! | (bsd3, development, program) | 2011-08-15 | 0.2 | ChrisDone |
| old-version | 21 | 0.0 | 1 | Basic versioning library. | (development, library) | 2015-07-11 | 1.4.2 | chrisdotcode |
| ollama-holes-plugin | 26 | 0.0 | 0 | A typed-hole plugin that uses LLMs to generate valid hole-fits | (compiler-plugin, development, library, mit) | 2025-05-02 | 0.1.6.0 | tritlo |
| omnifmt | 16 | 0.0 | 0 | A pretty-printer wrapper to faciliate ease of formatting during development. | (bsd3, development, library, program) | 2015-12-09 | 0.2.1.1 | hjwylde |
| open-haddock | 2 | 0.0 | 1 | Open haddock HTML documentation | (development, gpl, program) | 2015-10-30 | 0.1.0.0 | jml |
| optional | 2 | 0.0 | 2 | Using type-classes for optional function arguments | (bsd3, development, library) | 2014-01-02 | 0.0.1 | TonyMorris |
| optparse-text | 6 | 0.0 | 2 | Data.Text helpers for optparse-applicative | (bsd3, development, library) | 2016-06-26 | 0.1.1.0 | passy |
| organize-imports | 7 | 0.0 | 1 | Organize scala imports | (development, gpl, program) | 2016-05-05 | 0.4.0.0 | lcycon |
| ormolu | 89 | 0.0 | 2 | A formatter for Haskell source code | (bsd3, development, formatting, library, program) | 2026-07-27 | 0.8.2.0 | mrkkrp |
| package-o-tron (deprecated) | 2 | 0.0 | 1 | Utilities for working with cabal packages and your package database | (bsd3, deprecated, development, library, program) | 2012-10-05 | 0.1.0.0 | JakeWheat |
| package-version | 26 | 0.0 | 0 | A package for retrieving a package's version number. | (bsd3, development, library) | 2025-07-17 | 0.4.1 | tbidne |
| package-vt | 5 | 0.0 | 1 | Haskell Package Versioning Tool | (bsd3, development, program) | 2009-11-27 | 0.1.3.3 | KrzysztofSkrzetnicki |
| pandoc-unlit (deprecated in favor of markdown-unlit) | 2 | 0.0 | 1 | Literate Haskell support for GitHub's Markdown flavor | (deprecated, development, mit, program) | 2012-07-15 | 0.1.0 | SimonHengel |
| panic | 11 | 0.0 | 8 | A convenient way to panic. | (development, library) | 2018-06-19 | 0.4.0.1 | IavorDiatchki |
| pantry | 105 | 2.0 | 1 | Content addressable Haskell package management | (bsd3, development, library) | 2026-07-07 | 0.11.4 | MichaelSnoyman, borsboom, fpcomplete, mpilgrem |
| pantry-tmp (deprecated in favor of pantry) | 3 | 0.0 | 1 | Content addressable Haskell package management | (bsd3, deprecated, development, library) | 2019-06-13 | 0.1.0.0 | MichaelSnoyman, borsboom, fpcomplete |
| paramtree | 11 | 0.0 | 1 | Generate labelled test/benchmark trees from sets of parameters | (benchmarking, bsd3, development, library, testing) | 2023-07-13 | 0.1.2 | MerijnVerstraaten |
| parochial | 4 | 0.0 | 0 | Help Manage project specific documentation | (agpl, development, documentation, library, program) | 2021-01-03 | 0.2.0.0 | filterfish |
| parser-helper | 2 | 0.0 | 1 | Prints Haskell parse trees in JSON. | (apache, development, program) | 2014-06-04 | 0.1.0.0 | carymrobbins |
| pcap-conduit | 7 | 0.0 | 1 | Conduit <-> libpcap | (bsd3, development, library, network) | 2012-08-08 | 0.1 | AustinSeipp |
| pdynload | 9 | 0.0 | 1 | pdynload is polymorphic dynamic linking library. | (development, gpl, library, other) | 2010-07-30 | 0.0.3 | AndyStewart |
| phoityne (deprecated in favor of phoityne-vscode) | 15 | 0.0 | 1 | Deprecated - ghci debug viewer with simple editor. | (bsd3, deprecated, development, program) | 2017-02-04 | 0.0.5.0 | phoityne_hs |
| phoityne-vscode | 77 | 0.0 | 1 | Haskell Debug Adapter for Visual Studio Code. | (bsd3, development, program) | 2019-02-03 | 0.0.28.0 | phoityne_hs |
| pier | 9 | 0.0 | 1 | Yet another Haskell build system. | (bsd3, development, program) | 2018-09-23 | 0.3.0.0 | JudahJacobson |
| pier-core | 8 | 0.0 | 0 | A library for writing forwards-declared build systems in haskell. | (bsd3, development, library) | 2018-09-23 | 0.3.0.0 | JudahJacobson |
| pinch | 63 | 0.0 | 7 | An alternative implementation of Thrift for Haskell. | (bsd3, development, library) | 2024-07-09 | 0.5.2.0 | BenGamari, PhilippHausmann, abhinav |
| pinch-gen | 15 | 0.0 | 0 | A code generator for the pinch Thrift library. | (bsd3, development, program) | 2024-07-17 | 0.4.5.0 | PhilippHausmann, nhalford |
| pinchot | 33 | 0.0 | 1 | Write grammars, not parsers | (bsd3, development, library) | 2017-02-03 | 0.24.0.0 | OmariNorman |
| pinned-warnings | 44 | 0.0 | 1 | Preserve warnings in a GHCi session | (bsd3, development, library, utility) | 2026-05-19 | 0.1.4.0 | aaronallen8455 |
| pisigma | 15 | 0.0 | 1 | A dependently typed core language | (bsd3, dependent-types, development, language, library, program) | 2011-05-18 | 0.2.1 | AndresLoeh, DarinMorrison |
| pkggraph | 1 | 0.0 | 1 | Package dependency graph for installed packages | (bsd3, development, program) | 2009-04-23 | 0.1 | RobinGreen |
| placeholders | 5 | 2.25 | 20 | Placeholders for use while developing Haskell code | (bsd3, development, library) | 2011-04-29 | 0.1 | AndreasHammar |
| podenv | 7 | 0.0 | 0 | A container wrapper | (apache, development, library, program) | 2022-08-10 | 0.2.0 | TristanCacqueray |
| pointful | 25 | 0.0 | 2 | Pointful refactoring tool | (bsd3, development, library, program) | 2019-09-16 | 1.1.0.0 | MikhailGlushenkov |
| policeman | 5 | 0.0 | 0 | Haskell PVP version adviser | (cabal, development, library, mpl, package-management, program, pvp) | 2020-01-29 | 0.0.0.0 | vrom911 |
| pollock | 9 | 0.0 | 1 | Functionality to help examine Haddock information of a module. | (development, documentation, library, mit) | 2026-01-27 | 0.1.0.4 | TrevisElser |
| polysemy-blockfrost | 17 | 0.0 | 0 | Polysemy wrapper around the Blockfrost client | (apache, development, library) | 2024-06-25 | 0.1.4.0 | haskellworks |
| porter | 4 | 0.0 | 1 | Implementation of the Porter stemming algorithm | (bsd3, development, library) | 2019-06-08 | 0.1.0.2 | MarkWotton, LauraDietz |
| pr-tools | 7 | 2.0 | 0 | Decentralized git pull request and code review flows | (bsd3, development, git, library, program) | 2026-02-25 | 0.2.0.0 | mihaigiurgeanu |
| present | 26 | 0.0 | 1 | Make presentations for data types. | (bsd3, development, library) | 2017-03-22 | 4.1.0 | ChrisDone, sjakobi |
| prof2dot | 4 | 0.0 | 1 | Convert GHC profiles into GraphViz's dot format | (bsd3, development, program) | 2008-08-04 | 0.4.1 | GregoryWright |
| prof2pretty | 4 | 0.0 | 1 | generate pretty source from time/allocation profiles | (bsd3, development, profiling, program) | 2012-06-30 | 0.1.0.0 | ClaudeHeilandAllen |
| profiterole | 2 | 0.0 | 1 | Restructure GHC profile reports | (bsd3, development, program) | 2017-06-02 | 0.1 | NeilMitchell |
| profiteur | 58 | 2.25 | 1 | Treemap visualiser for GHC prof files | (bsd3, development, library, profiling, program) | 2026-01-20 | 0.4.7.1 | JasperVanDerJeugt |
| progression | 20 | 0.0 | 1 | Automates the recording and graphing of criterion benchmarks | (bsd3, development, library) | 2013-06-23 | 0.5.0.2 | KidoTakahiro, NeilBrown |
| project-forge (deprecated) | 12 | 0.0 | 0 | A project initialization library | (bsd3, deprecated, development, library) | 2022-10-04 | 0.3.0.0 | bradleysaul |
| project-template | 29 | 0.0 | 4 | Specify Haskell project templates and generate files | (bsd3, development, library) | 2020-07-06 | 0.2.1.0 | MichaelSnoyman |
| prototype | 14 | 0.0 | 1 | prototype-based programming on Haskell | (bsd3, development, library) | 2011-08-15 | 0.5.3 | YoshikuniJujo |
| prune-juice | 15 | 0.0 | 0 | Prune unused Haskell dependencies | (development, library, mit, program) | 2021-11-12 | 0.7 | dfithian |
| psc-ide (deprecated in favor of purescript) | 15 | 2.0 | 0 | Language support for the PureScript programming language | (deprecated, development, library, mit, program, purescript) | 2016-02-02 | 0.6.1 | kritzcreek |
| pseudomacros | 3 | 0.0 | 1 | cpp-style built-in macros using Template Haskell | (bsd3, development, library, template-haskell) | 2015-04-27 | 0.0.2 | LukasMai |
| pure-io | 19 | 2.0 | 1 | Pure IO monad. | (bsd3, development, education, library) | 2014-06-30 | 0.2.1 | ChrisDone |
| purescript-bundle-fast | 1 | 0.0 | 1 | A fast alternative to Purescript's `psc-bundle` to be used during development | (development, mit, program) | 2015-07-31 | 0.1.0.1 | BitConnor |
| python-pickle | 15 | 0.0 | 1 | Serialization/deserialization using Python Pickle format. | (bsd3, development, library, program) | 2024-02-10 | 0.3.0 | VoMinhThu, tacopeland |
| quickbench | 9 | 0.0 | 0 | quick & easy benchmarking of command-line programs | (development, library, program) | 2021-10-07 | 1.0.1 | SimonMichael |
| quickterm | 12 | 2.0 | 0 | An interface for describing and executing terminal applications | (development, gpl, library, program) | 2017-01-18 | 0.2.4.0 | sgschlesinger |
| radian | 27 | 0.0 | 4 | Isomorphisms for measurements that use radians. | (bsd3, development, library) | 2021-06-15 | 0.2 | TonyMorris |
| random-derive | 3 | 0.0 | 1 | A Template Haskell helper for deriving Random instances | (bsd3, development, library) | 2015-05-03 | 0.1.0.0 | frerich |
| rapid | 23 | 0.0 | 3 | Hot reload and reload-surviving values with GHCi | (bsd3, development, library) | 2024-01-22 | 0.1.5.3 | eyeinsky, esz |
| rapid-term | 15 | 0.0 | 2 | External terminal support for rapid | (bsd3, development, library) | 2018-01-04 | 0.1.2.1 | esz |
| rattle | 4 | 0.0 | 0 | Forward build system, with caching and speculation | (bsd3, development, library, program) | 2020-05-27 | 0.2 | NeilMitchell |
| reactive-banana-gi-gtk | 13 | 0.0 | 1 | Simple reactive programming with GTK GObject Introspection | (development, library, public-domain) | 2020-07-06 | 0.4.1.0 | miscyb |
| readme-lhs (deprecated) | 32 | 0.0 | 1 | Literate programming support. | (bsd3, deprecated, development, library, program) | 2020-11-27 | 0.8.1 | tonyday567 |
| record-dot-preprocessor | 72 | 2.0 | 5 | Preprocessor to allow record.field syntax | (bsd3, development, library, program) | 2024-01-13 | 0.2.17 | NeilMitchell |
| record-hasfield | 4 | 0.0 | 7 | A version of GHC.Records as available in future GHCs. | (bsd3, development, library) | 2024-01-21 | 1.0.1 | NeilMitchell |
| record-wrangler | 4 | 2.0 | 0 | Alter your records with ease | (development, library) | 2019-04-01 | 0.1.1.0 | parsonsmatt |
| reduxwise | 2 | 0.0 | 0 | Static analysis tool for Rust embedded systems complexity | (bsd3, development, embedded, library, program, static-analysis) | 2025-10-10 | 0.1.0.0 | vertexclique |
| refact | 13 | 0.0 | 3 | Specify refactorings to perform with apply-refact | (bsd3, development, library) | 2015-11-21 | 0.3.0.2 | mpickering |
| reflex-ghci | 36 | 0.0 | 0 | A GHCi widget library for use in reflex applications | (bsd3, development, frp, library, program) | 2023-08-02 | 0.2.0.1 | JohnEricson, RyanTrinkle, abrar, 3noch |
| rehoo (deprecated in favor of hoogle) | 12 | 0.0 | 1 | Rebuild default.hoo from many .hoo files in the current directory | (bsd3, deprecated, development, program) | 2014-04-12 | 0.3.1 | JohnWiegley |
| releaser | 13 | 0.0 | 0 | Automation of Haskell package release process | (apache, development, library, program) | 2023-10-31 | 0.3.0.2 | RobertHensing, domenkozar |
| repl (deprecated) | 7 | 0.0 | 1 | IRC friendly REPL library. | (deprecated, development, library, mit) | 2013-02-05 | 1.1 | MikeLedger |
| repl-alliance | 7 | 0.0 | 0 | Currated set of plugins for REPL based development | (bsd3, development, library) | 2026-05-19 | 0.1.1.0 | aaronallen8455 |
| require-callstack | 9 | 2.0 | 1 | Propagate HasCallStack with constraints | (development, library, mit) | 2024-12-18 | 0.2.0.1 | parsonsmatt |
| requirements | 16 | 0.0 | 2 | Abstraction to manage user defined Type Errors | (development, gpl, library) | 2024-11-08 | 0.7.0.3 | jpgarcia |
| resolve-trivial-conflicts (deprecated in favor of git-mediate) | 29 | 0.0 | 1 | Remove trivial conflict markers in a git repository | (deprecated, development, gpl, program) | 2016-12-20 | 0.3.2.4 | EyalLotem |
| resource-embed | 4 | 0.0 | 1 | Embed data files via C and FFI. | (development, mit, program) | 2015-04-04 | 0.1.0.0 | TobiasDammers |
| restyle | 2 | 0.0 | 1 | Convert between camel case and separated words style. | (development, library, mit, program) | 2010-01-01 | 0.1.0 | DanielFischer |
| retrie | 35 | 0.0 | 6 | A powerful, easy-to-use codemodding tool for Haskell. | (development, library, mit) | 2024-01-15 | 1.2.3 | AndrewFarmer, PepeIborra, watashi, xich |
| rio-prettyprint | 33 | 0.0 | 5 | Pretty-printing for RIO | (bsd3, development, library) | 2026-04-17 | 0.1.9.0 | MichaelSnoyman, borsboom, fpcomplete, mpilgrem |
| risk-weaver | 7 | 0.0 | 0 | A DSL for Risk-oriented Object Detection Requirements | (development, library, mit, program) | 2024-03-18 | 0.1.0.2 | junjihashimoto |
| robin | 2 | 0.0 | 1 | A build daemon for Haskell development | (development, gpl, program) | 2015-09-10 | 0.1.0.0 | KarlVoelker |
| rock | 17 | 0.0 | 0 | A build system for incremental, parallel, and demand-driven computations | (bsd3, development, library) | 2023-10-13 | 0.3.1.2 | OlleFredriksson, luc_tielen, placidex |
| rtk | 7 | 0.0 | 0 | Parser and rewrite facility generator from grammar specifications | (development, language, library, mit, program) | 2026-07-02 | 0.12 | prozaktm |
| ruler | 8 | 0.0 | 1 | Ruler tool for UHC | (bsd3, development, program) | 2018-01-28 | 0.4.1.0 | AtzeDijkstra, JeroenBransen |
| ruler-core | 2 | 0.0 | 1 | (development, program) | 2010-12-01 | 1.0 | ArieMiddelkoop | |
| sandman | 9 | 0.0 | 1 | Manages Cabal sandboxes to avoid rebuilding packages. | (development, mit, program) | 2016-05-24 | 0.2.0.1 | abhinav |
| sarsi | 20 | 0.0 | 0 | A universal quickfix toolkit and his protocol. | (apache, development, library, program) | 2021-04-27 | 0.0.5.2 | aloiscochard |
| sasha | 9 | 0.0 | 0 | A staged lexer generator | (bsd3, development, lexing, library) | 2026-05-11 | 0.2.0.1 | phadej |
| scan | 30 | 0.0 | 1 | lexical style suggestions for source code | (bsd3, development, program) | 2014-01-09 | 0.1.0.9 | ChristianMaeder |
| schedevr | 15 | 0.0 | 1 | Marge schedules and show EVR | (bsd3, development, program) | 2014-04-26 | 0.1.0.6 | YoshikuniJujo |
| scion | 13 | 0.0 | 2 | Haskell IDE library | (bsd3, development, library) | 2009-08-27 | 0.1.0.2 | ThomasSchilling |
| scion-browser | 115 | 0.0 | 1 | Command-line interface for browsing and searching packages documentation | (bsd3, development, library, program) | 2015-02-07 | 0.5.0 | AlejandroSerrano, JeanPhilippeMoresmau |
| scons2dot | 3 | 0.0 | 1 | Generates graphviz file of scons dependency information | (development, program) | 2010-02-24 | 0.9 | LeandroPenz |
| scope | 14 | 0.0 | 2 | An interactive renderer for plotting time-series data | (bsd3, development, library) | 2012-11-19 | 0.8.0.1 | ConradParker |
| scope-cairo | 4 | 0.0 | 1 | An interactive renderer for plotting time-series data | (bsd3, development, library, program) | 2012-11-19 | 0.8.0.1 | ConradParker |
| scotty-fay | 12 | 0.0 | 1 | Fay integration for Scotty. | (development, fay, library, mit, web) | 2013-12-12 | 0.1.1 | hdgarrood |
| seihou-cli | 7 | 0.0 | 0 | CLI for Seihou project scaffolding | (bsd3, development, library, program) | 2026-07-28 | 0.6.0.0 | shinzui |
| seihou-core | 8 | 0.0 | 0 | Core library for Seihou project scaffolding | (bsd3, development, library) | 2026-07-28 | 0.6.0.0 | shinzui |
| seihou-okf-extension | 8 | 0.0 | 0 | OKF documentation extension for Seihou registries | (bsd3, development, library, program) | 2026-07-28 | 0.6.0.0 | shinzui |
| semdoc | 6 | 0.0 | 0 | Evaluate code snippets in Literate Haskell. | (agpl, development, library, program) | 2017-01-04 | 0.1.3 | iphydf |
| sensei | 26 | 0.0 | 1 | Automatically run Hspec tests on file modifications | (development, library, mit, program) | 2025-04-06 | 0.9.0 | SimonHengel |
| sequent-core | 18 | 0.0 | 1 | Alternative Core language for GHC plugins | (bsd3, development, library) | 2015-07-03 | 0.5.0.1 | pdownen, lukemaurer |
| sexp-show (deprecated) | 7 | 0.0 | 1 | Produce a s-expression representation of Show values. | (bsd3, deprecated, development, program) | 2012-07-04 | 0.1.1.0 | |
| shake | 498 | 2.5 | 63 | Build system library, like Make, but more accurate dependencies. | (bsd3, development, library, program, shake) | 2026-01-19 | 0.19.9 | NeilMitchell |
| shake-ats | 203 | 0.0 | 1 | Utilities for building ATS projects with shake | (ats, bsd3, build, development, library, shake) | 2020-07-24 | 1.10.4.2 | vmchale |
| shake-bench | 15 | 0.0 | 0 | Build rules for historical benchmarking | (apache, development, library) | 2022-12-18 | 0.2.0.0 | PepeIborra, jneira, hls_team |
| shake-c | 21 | 0.0 | 2 | Library for building C code with shake | (bsd3, c, development, library) | 2020-07-31 | 0.4.5.0 | vmchale |
| shake-cabal | 50 | 0.0 | 1 | Shake library for use with cabal | (bsd3, development, library) | 2023-01-09 | 0.2.2.3 | vmchale |
| shake-cabal-build | 4 | 0.0 | 1 | Utility for building Shake build systems using Cabal sandboxes | (apache, development, program) | 2014-10-17 | 0.1.0 | StefanKersten |
| shake-ccjs | 3 | 0.0 | 1 | Shake rules for CCJS | (bsd3, development, library) | 2018-06-05 | 0.1.0.0 | |
| shake-elm | 8 | 0.0 | 1 | Elm builds in shake | (bsd3, development, library) | 2018-08-21 | 0.2.0.1 | |
| shake-ext | 238 | 0.0 | 2 | Helper functions for linting with shake | (bsd3, development, library, shake) | 2019-11-13 | 3.1.1.0 | vmchale |
| shake-futhark | 20 | 2.0 | 0 | Dependency tracking for Futhark | (bsd3, build, development, futhark, library, shake) | 2024-01-06 | 0.2.0.3 | vmchale |
| shake-google-closure-compiler | 1 | 0.0 | 1 | Shake rules for the Google closure compiler | (bsd3, development, library, shake) | 2018-07-24 | 0.1.0.0 | vmchale |
| shake-language-c | 59 | 0.0 | 1 | Utilities for cross-compiling with Shake | (apache, development, library) | 2018-03-14 | 0.12.0 | StefanKersten |
| shake-literate | 5 | 0.0 | 1 | Rules for building literate programs in shake | (bsd3, development, library) | 2019-08-12 | 0.1.0.1 | vmchale |
| shake-minify | 14 | 0.0 | 1 | Shake Minify Rules | (bsd3, development, library, shake, web) | 2015-08-04 | 0.1.4 | LukeHoersten |
| shake-minify-css | 1 | 2.0 | 0 | Shake rules for CSS | (bsd3, development, library, shake) | 2019-08-15 | 0.1.0.0 | vmchale |
| shake-pack | 8 | 2.0 | 1 | Shake File Pack Rule | (bsd3, development, library, shake) | 2016-10-14 | 0.2.0 | LukeHoersten |
| shake-path | 7 | 0.0 | 1 | path alternatives to shake functions | (development, library, mit, shake) | 2018-01-16 | 0.0.0.1 | Norfair |
| shake-persist | 3 | 0.0 | 0 | Shake build system on-disk caching | (development, gpl, library, program) | 2016-01-05 | 0.1.0.0 | KAction |
| shake-plus | 72 | 2.0 | 2 | Re-export of Shake using well-typed paths and ReaderT. | (development, library, mit, shake) | 2021-07-10 | 0.3.4.0 | locallycompact |
| shake-plus-extended | 23 | 0.0 | 1 | Experimental extensions to shake-plus | (development, library, mit, shake) | 2020-09-19 | 0.4.1.0 | locallycompact |
| shaker | 23 | 0.0 | 1 | simple and interactive command-line build tool | (bsd3, development, library, program) | 2011-06-19 | 0.5.1 | AnthoninBonnefoy |
| shakers | 111 | 0.0 | 0 | Shake helpers. | (development, library, mit) | 2018-10-11 | 0.0.50 | markfine |
| shellish | 12 | 0.0 | 1 | shell-/perl- like (systems) programming in Haskell | (bsd3, development, library) | 2011-02-18 | 0.1.4 | PetrRockai |
| shelly | 474 | 2.5 | 34 | shell-like (systems) programming in Haskell | (bsd3, development, library) | 2025-08-25 | 1.12.1.1 | AndreasAbel, GregWeber, JohnWiegley, MichaelSnoyman, psibi |
| shelly-extra | 27 | 0.0 | 1 | shelly features that require extra dependencies | (bsd3, development, library) | 2017-03-03 | 0.3.0.2 | GregWeber |
| shower | 13 | 0.0 | 2 | Clean up the formatting of 'show' output | (bsd3, development, library, program) | 2026-04-19 | 0.2.0.5 | Artyom, int_index |
| shuffle | 24 | 0.0 | 2 | Shuffle tool for UHC | (bsd3, development, library, program) | 2018-01-07 | 0.1.4.0 | AtzeDijkstra, JeroenBransen |
| silvi | 8 | 0.0 | 1 | A generator for different kinds of data. | (bsd3, development, library, testing) | 2018-01-29 | 0.1.0 | chessai |
| simple-get-opt | 12 | 2.0 | 3 | A simple library for processing command-line options. | (bsd3, development, library) | 2022-10-07 | 0.5 | IavorDiatchki |
| simple-src-utils | 4 | 0.0 | 1 | source code editing utilities | (bsd3, development, haskell, program) | 2018-04-07 | 0.1 | EvanLaforge |
| simple-text-format | 3 | 0.0 | 1 | Simple text based format strings with named identifiers. | (bsd3, development, library, text) | 2017-05-24 | 0.1 | justus |
| sizes | 63 | 0.0 | 1 | Recursively show space (size and i-nodes) used in subdirectories | (bsd3, development, library, program) | 2026-06-29 | 2.4.3 | JohnWiegley |
| skeletons | 1 | 0.0 | 1 | Manage project skeletons | (development, mit, program) | 2015-09-08 | 0.4.0 | WilliamCasarin |
| slice-cpp-gen | 21 | 0.0 | 1 | Generate C++ skeletons from slice files | (bsd3, development, program) | 2013-06-14 | 0.3.0.0 | PaulKoerbitz |
| smartconstructor | 5 | 0.0 | 1 | A package exposing a helper function for generating smart constructors. | (bsd3, development, library) | 2015-03-30 | 0.2.0.0 | frerich |
| smuggler | 15 | 2.0 | 0 | GHC Source Plugin that helps to manage imports | (development, library, mpl, program, refactoring) | 2018-09-24 | 0.1.0 | vrom911 |
| smuggler2 | 25 | 0.0 | 0 | GHC Source Plugin that helps to minimise imports and generate explicit exports | (compiler-plugin, development, library, mpl, refactoring) | 2021-01-10 | 0.3.6.2 | jrp |
| snipcheck | 11 | 0.0 | 1 | Markdown tester | (development, library, mit) | 2018-10-14 | 0.1.0.3 | nmattia |
| sourcemap | 31 | 0.0 | 3 | Implementation of source maps as proposed by Google and Mozilla. | (bsd3, development, library) | 2021-12-24 | 0.1.7 | ChrisDone, JensPetersen |
| sparsebit | 8 | 0.0 | 1 | Sparse bitmaps for pattern match coverage | (bsd3, data-structures, development, library) | 2009-03-10 | 0.5 | KiYungAhn |
| splint | 38 | 0.0 | 0 | HLint as a GHC source plugin. | (development, library) | 2024-07-08 | 2.0.0.5 | fozworth |
| spy (deprecated) | 27 | 0.0 | 1 | A compact file system watcher for Mac OS X, Linux and Windows | (bsd3, deprecated, development, program) | 2016-09-17 | 0.14 | |
| sqlc-hs | 6 | 0.0 | 0 | Generate type-safe Haskell code from SQL via https://github.com/sqlc-dev/sqlc. | (apache, development, library, program) | 2026-07-14 | 0.2.0.1 | alexbiehl |
| squeather | 22 | 0.0 | 0 | Use databases with the version 3 series of the SQLite C library | (bsd3, development, library) | 2021-05-07 | 0.8.0.0 | OmariNorman |
| stack | 164 | 2.25 | 3 | The Haskell Tool Stack | (bsd3, development, library, program) | 2015-06-26 | ChrisDone, DanBurton, KirillZaborsky, MichaelSloan, MichaelSnoyman, borsboom, fpcomplete, mpilgrem | |
| stack-bump | 2 | 0.0 | 1 | Dead simple version bumping for hpack packages | (development, mit, program) | 2017-07-13 | 0.7.1.0 | yamadapc |
| stack-fix | 4 | 0.0 | 0 | Console program used to fix Stack build errors automatically | (agpl, development, program) | 2019-08-27 | 0.1.0.0 | freeman42x |
| stack-lib | 7 | 0.0 | 1 | Wrapper to use stack as a library | (bsd3, development, library) | 2018-01-17 | 0.1.0.0 | clinton |
| stack-run | 31 | 1.75 | 1 | An equivalent to cabal run for stack. | (development, mit, program) | 2017-05-12 | 0.1.1.4 | yamadapc |
| stack-run-auto | 12 | 0.0 | 0 | Initial project template from stack | (development, library, mit, program) | 2016-06-07 | 0.1.1.4 | yamadapc |
| stack-templatizer | 10 | 2.0 | 0 | Generate a stack template from a folder. | (bsd3, development, program) | 2023-05-07 | 0.1.1.0 | lysergia |
| stack-wrapper | 1 | 0.0 | 0 | Call ghc within stack by calling ghc | (bsd3, development, library, program) | 2019-12-02 | 0.1.0 | kakkun61 |
| stack-yaml | 5 | 0.0 | 1 | Parse a stack.yaml file | (development, distribution, library, mit) | 2017-12-08 | 0.1.0.0 | phlummox |
| stackage | 94 | 0.0 | 1 | Dummy package forcing installation of other Stackage packages | (development, library, mit) | 2015-05-06 | 0.7.3.2 | ChrisDone, DanBurton, MichaelSnoyman |
| stackage-cabal (deprecated in favor of stack) | 9 | 0.0 | 1 | A CLI executable for cabal-based stackage commands | (deprecated, development, library, mit, program) | 2015-05-06 | 0.1.1 | DanBurton |
| stackage-cli (deprecated in favor of stack) | 35 | 0.0 | 1 | A CLI library for stackage commands | (deprecated, development, library, mit, program) | 2015-05-06 | 0.1.0.2 | ChrisDone, DanBurton, MichaelSnoyman |
| stackage-sandbox (deprecated in favor of stack) | 27 | 0.0 | 1 | Work with shared stackage sandboxes | (deprecated, development, library, mit, program) | 2015-09-01 | 0.1.6 | ChrisDone, DanBurton, MichaelSnoyman, borsboom |
| stackage-setup (deprecated in favor of stack) | 21 | 0.0 | 1 | An executable for downloading a Haskell setup | (deprecated, development, library, mit, program) | 2015-05-14 | 0.0.2 | DanBurton |
| stacker | 3 | 0.0 | 0 | Bump snapshots in stack.yaml files | (bsd3, development, library, program) | 2026-04-08 | 0.0.0.0 | AndreasAbel |
| standalone-derive-topdown | 6 | 2.0 | 1 | This package will derive class instance along the data type declaration tree. (Deprecated) | (development, library, mit) | 2020-02-09 | 0.0.0.2 | songzh |
| starter (deprecated) | 13 | 0.0 | 1 | Develop applications without restarts | (deprecated, development, library, mpl) | 2018-06-23 | 0.3.0 | rkaippully |
| static-ls | 6 | 0.0 | 0 | See README on Github for more information | (development, library, mit, program) | 2024-02-04 | 0.1.2 | suzzr0 |
| staversion | 90 | 0.0 | 0 | What version is the package X in stackage lts-Y.ZZ? | (bsd3, development, library, program) | 2024-03-11 | 0.2.4.3 | debugito |
| stc-lang | 3 | 0.0 | 0 | A library for implicit, monadic dataflow parallelism | (bsd3, concurrency, development, library, program) | 2019-08-01 | 1.0.0 | justus |
| steeloverseer | 53 | 2.25 | 1 | A file watcher and development tool. | (bsd3, development, library, program) | 2026-07-26 | 2.1.1.0 | SchellScivally, peterbecich |
| stepwise | 7 | 0.0 | 1 | (development, library) | 2010-12-27 | 1.0.2 | ArieMiddelkoop | |
| stgi | 7 | 0.0 | 0 | Educational implementation of the STG (Spineless Tagless G-machine) | (bsd3, development, library, program) | 2017-11-10 | 1.1 | quchen |
| strict-impl-params | 7 | 0.0 | 0 | Plugin for making top-level implicit parameters strict | (development, library, mit) | 2025-07-31 | 1.1.0 | AndrasKovacs |
| structured-haskell-mode | 53 | 1.25 | 1 | Structured editing Emacs mode for Haskell | (bsd3, development, program) | 2017-01-19 | 1.1.0 | ChrisDone, IvanMiljenovic |
| styx | 13 | 0.0 | 1 | A generator of nix files | (development, program) | 2017-10-02 | 1.3.1 | JeanPhilippeBernardy |
| subG | 58 | 0.0 | 15 | Some extension to the Foldable and Monoid classes. | (data, development, library, mit) | 2023-01-25 | 0.6.1.0 | OleksandrZhabenko |
| subG-instances | 3 | 0.0 | 4 | Additional instances for the InsertLeft class from subG package. | (data, development, library, mit) | 2020-11-19 | 0.1.0.0 | OleksandrZhabenko |
| summoner | 48 | 2.5 | 1 | Tool for scaffolding fully configured batteries-included production-level Haskell projects. | (cli, cli-tool, development, library, mpl, program) | 2026-01-16 | 2.2.0.0 | vrom911 |
| summoner-tui | 23 | 2.0 | 0 | Tool for scaffolding fully configured batteries-included production-level Haskell projects using TUI. | (development, library, mpl, program, tui, tui-tool) | 2026-01-16 | 2.2.0.0 | vrom911 |
| sv2v | 13 | 0.0 | 0 | SystemVerilog to Verilog conversion | (bsd3, development, embedded, hardware, language, program) | 2025-06-23 | 0.0.13.1 | zachjs |
| swiss | 4 | 0.0 | 0 | Basic functions for development with Core libraries and GHC boot libraries dependencies. | (bsd3, development, library) | 2022-07-14 | 0.0.1 | szehk |
| symon | 2 | 2.0 | 1 | Minimal implementation(s) of the classic electronic memory game. | (development, gpl, program) | 2016-08-31 | 0.1 | SimonMichael |
| synapse-cc | 11 | 0.0 | 0 | Unified compiler toolchain for Plexus backends | (development, library, mit, program) | 2026-04-22 | 0.3.3 | hypermemetic |
| tasty-bench | 74 | 2.0 | 4 | Featherlight benchmark framework | (benchmarking, development, library, mit, performance, testing) | 2026-06-09 | 0.5.1 | Bodigrim |
| tasty-bench-fit | 9 | 0.0 | 0 | Determine time complexity of a given function | (development, library, mit) | 2024-07-08 | 0.1.1 | Bodigrim |
| tasty-papi | 19 | 0.0 | 0 | Bencmarking using instruction counting | (benchmarking, bsd3, development, performance, testing) | 2024-01-06 | 0.1.2.0 | AlexeyKhudyakov |
| template-haskell-lift | 2 | 0.0 | 5 | The 'Lift' typeclass. | (bsd2, development, library) | 2025-10-04 | 0.1.0.0 | teo |
| template-haskell-quasiquoter | 1 | 0.0 | 2 | The 'QuasiQuoter' interface. | (bsd2, development, library) | 2025-10-04 | 0.1.0.0 | teo |
| testcontainers | 52 | 2.25 | 1 | Docker containers for your integration tests. | (development, library, mit) | 2026-07-06 | 0.5.4.0 | alexbiehl, LaurentRDC |
| testloop | 8 | 0.0 | 1 | Quick feedback loop for test suites | (development, library, mit, testing) | 2013-08-10 | 0.1.1.0 | RomanGonzalez |
| th-abstraction | 144 | 2.0 | 73 | Nicer interface for reified information about data types | (development, library) | 2026-01-03 | 0.7.2.0 | EricMertens, ryanglscott |
| th-deepstrict | 4 | 0.0 | 0 | Check that datatypes are deep strict using Template Haskell. | (bsd3, development, library) | 2024-03-26 | 0.1.1.0 | teo |
| th-fold | 2 | 0.0 | 2 | TH fold generator | (development, library, public-domain) | 2008-12-15 | 0.0.0.1 | JamesCook |
| th-inline-io-action | 3 | 0.0 | 1 | Simple inline IO action into compiled code using TH | (bsd3, development, library) | 2016-11-18 | 0.1.0.1 | tolysz |
| th-lock | 3 | 0.0 | 0 | Serialize compilation of modules with TH code modifing shared state | (bsd3, development, library) | 2025-03-14 | 0.0.4 | DaniilIaitskov |
| th-pprint | 6 | 2.0 | 1 | Simplify and render Template Haskell | (bsd3, development, library) | 2018-08-08 | 0.2.0.0 | puffnfresh |
| themplate | 14 | 0.0 | 1 | Project templating tool | (application, bsd3, console, development, program, template) | 2015-07-08 | 1.2 | BennoFuenfstueck |
| threadscope | 122 | 2.25 | 1 | A graphical tool for profiling parallel Haskell programs. | (bsd3, development, profiling, program, trace) | 2026-07-02 | 0.2.15.1 | DuncanCoutts, MikolajKonarski, MitsutoshiAoe, SatnamSingh, SimonMarlow, teo |
| ticket-management | 12 | 0.0 | 0 | A basic implementation of a personal ticket management system | (development, library, mit, program) | 2021-08-20 | 0.2.0.0 | sgschlesinger |
| time-io-access | 2 | 0.0 | 1 | IO Access for time | (development, gpl, library) | 2013-12-31 | 0.1.0.0 | bheklilr |
| timelens | 4 | 0.0 | 3 | Lenses for the time package | (bsd3, development, library) | 2016-06-30 | 0.2.0.2 | OmariNorman |
| timeless (deprecated) | 26 | 0.0 | 1 | An Arrow based Functional Reactive Programming library | (bsd3, deprecated, development, library) | 2016-12-09 | 1.0.1.2 | carldong |
| timeline | 5 | 0.0 | 0 | Data type representing a piecewise-constant function over time | (bsd3, development, library) | 2024-08-22 | 0.1.1.0 | jack, chrisdaloisio, Bellroy, kokobd, HughDavidson |
| tkyprof | 34 | 0.0 | 1 | A web-based visualizer for GHC Profiling Reports | (bsd3, development) | 2015-06-17 | 0.2.2.2 | MitsutoshiAoe |
| tokstyle | 13 | 0.0 | 0 | TokTok C code style checker | (development, gpl, library, program) | 2021-12-25 | 0.0.8 | iphydf |
| trace-embrace | 29 | 0.0 | 8 | Smart version of Debug.Trace module | (bsd3, development, library) | 2026-02-26 | 1.3.0 | DaniilIaitskov |
| tracetree | 10 | 0.0 | 3 | Visualize Haskell data structures as edge-labeled trees | (bsd3, development, library) | 2018-04-06 | 0.1.0.2 | EdskoDeVries |
| trackit | 35 | 0.0 | 1 | A command-line tool for live monitoring | (bsd3, development, program) | 2026-02-21 | 0.8.1 | EmilAxelsson |
| tracy | 13 | 0.0 | 1 | Convenience wrappers for non-intrusive debug tracing | (development, library, mit) | 2016-10-17 | 0.1.4.0 | dredozubov |
| travis-meta-yaml | 12 | 0.0 | 0 | .travis.yml preprocessor | (bsd3, development, library, program) | 2015-08-10 | 0.1.0.0 | phadej |
| travis-pogodi | 4 | 0.0 | 0 | A better travis_wait | (bsd3, development, library, program, web) | 2017-07-12 | 0.1.0 | dbushev |
| trawl | 1 | 0.0 | 1 | A tool for finding haddocks | (bsd3, development, program) | 2015-08-16 | 0.1.0.0 | bmjames |
| tricorder | 7 | 0.0 | 0 | Continuous Haskell build status, diagnostics, and tests via a shared daemon | (development, library, mit, program) | 2026-06-26 | 0.1.1.0 | AlexanderVershilov, cgeorgii, tweag |
| trurl | 38 | 0.0 | 0 | Haskell template code generator | (bsd3, development, library, program) | 2015-11-24 | 0.4.1.0 | dbushenko |
| tuple-fields | 2 | 0.0 | 0 | Access tuple fields using record dot syntax | (bsd3, development, library, program) | 2023-03-23 | 0.1.0.0 | DavidBinder |
| tyfam-witnesses | 11 | 0.0 | 1 | Provide proof witnesses for closed type family evaluation | (development, library, mit) | 2018-11-13 | 0.1.1.2 | GaborGreif |
| typalyze | 9 | 0.0 | 1 | Analyzes Haskell source files for easy reference | (bsd3, development, program) | 2008-03-09 | 0.1.1 | MatthewDanish |
| type-prelude | 1 | 0.0 | 1 | Partial port of prelude to the type level. Requires GHC 7.6.1. | (bsd3, development, library) | 2012-09-06 | 0.1 | EtienneLaurin |
| typeof | 5 | 0.0 | 1 | Small script for inferring types | (bsd3, development, program) | 2011-05-04 | 0.1.2 | DonaldStewart, KangyuanNiu |
| uhc-light | 147 | 0.0 | 2 | Part of UHC packaged as cabal/hackage installable library | (bsd3, development, library, program) | 2018-01-01 | 1.1.10.0 | AtzeDijkstra |
| uhc-util | 80 | 0.0 | 5 | UHC utilities | (bsd3, development, library) | 2017-12-28 | 0.1.7.0 | AtzeDijkstra, JeroenBransen |
| ui-command | 14 | 0.0 | 1 | A framework for friendly commandline programs | (bsd3, development, library, program) | 2010-11-29 | 0.5.4 | ConradParker |
| unpacked-either | 2 | 0.0 | 1 | An unpacked either data type | (bsd3, development, library) | 2018-05-26 | 0.1.0.0 | chessai |
| unpacked-maybe | 2 | 0.0 | 2 | An unpacked maybe data type | (bsd3, development, library) | 2018-05-26 | 0.1.0.0 | chessai |
| unpacked-these | 3 | 0.0 | 1 | An unpacked these data type | (bsd3, development, library) | 2018-06-04 | 0.1.0.0 | chessai |
| unpacked-validation | 3 | 0.0 | 1 | An unpacked validation data type | (bsd3, development, library) | 2018-06-04 | 0.1.0.0 | chessai |
| updo | 2 | 0.0 | 0 | A style of maintaining and upgrading Haskell projects | (development, mpl, program) | 2023-07-14 | 1.0.0 | philderbeast |
| urembed | 6 | 0.0 | 1 | Ur/Web static content generator | (bsd3, development, program, ur-web) | 2013-10-31 | 0.5.0.1 | SergeyMironov |
| urxml | 3 | 0.0 | 1 | XML parser-printer supporting Ur/Web syntax extensions | (development, program, public-domain, ur-web) | 2013-10-31 | 0.2.0.0 | SergeyMironov |
| uuagc | 154 | 0.0 | 5 | Attribute Grammar System of Universiteit Utrecht | (bsd3, development, library, program) | 2025-09-27 | 0.9.57 | ArieMiddelkoop, AtzeDijkstra, DoaitseSwierstra, JeroenBransen |
| uuagc-bootstrap | 19 | 0.0 | 2 | Attribute Grammar System of Universiteit Utrecht | (bsd3, development, library, program) | 2011-12-19 | 0.9.40.2 | ArieMiddelkoop, JeroenBransen |
| uuagc-cabal | 42 | 0.0 | 5 | Cabal plugin for UUAGC | (bsd3, development, library) | 2025-09-27 | 1.4.0 | ArieMiddelkoop, AtzeDijkstra, DoaitseSwierstra, JeroenBransen |
| uuagd | 6 | 0.0 | 1 | A debugger for the UUAG system. | (development, library, program) | 2014-04-10 | 0.1.0.2 | MatthijsSteen |
| vabal | 16 | 2.25 | 0 | the cabal companion | (development, distribution, gpl, program) | 2019-01-10 | 2.0.0 | Franciman |
| vabal-lib | 2 | 0.0 | 0 | Core algorithms and datatypes used by vabal | (development, distribution, library, mit) | 2019-01-10 | 2.0.0 | Franciman |
| vacuum-cairo | 13 | 0.0 | 1 | Visualize live Haskell data structures using vacuum, graphviz and cairo | (bsd3, development, library) | 2011-02-15 | 0.5 | DonaldStewart |
| vacuum-opengl | 13 | 0.0 | 1 | Visualize live Haskell data structures using vacuum, graphviz and OpenGL. | (development, library, program, public-domain) | 2010-01-14 | 0.0.3 | BalazsKomuves |
| vacuum-ubigraph | 13 | 0.0 | 1 | Visualize Haskell data structures using vacuum and Ubigraph | (bsd3, development, library) | 2010-08-12 | 0.2.0.2 | GlebAlexeyev |
| vado | 33 | 0.0 | 2 | Runs commands on remote machines using ssh | (development, library, mit, program) | 2022-10-02 | 0.0.14 | HamishMackenzie |
| vampire | 10 | 0.0 | 1 | Analyze and visualize expression trees. | (development, gpl, library, program) | 2014-06-29 | 0.1.3.0 | benzrf |
| vcs-ignore | 6 | 0.0 | 1 | Library for handling files ignored by VCS systems. | (bsd3, development, library, program) | 2021-12-29 | 0.0.2.0 | xwinus |
| vcsgui | 26 | 0.0 | 2 | GUI library for source code management systems | (development, library, program) | 2017-08-14 | 0.2.2.0 | HamishMackenzie, StephanFortelny |
| vcswrapper | 24 | 0.0 | 3 | Wrapper for source code management systems | (development, library, program) | 2017-08-14 | 0.1.6 | HamishMackenzie, StephanFortelny |
| viewprof | 84 | 0.0 | 1 | Text-based interactive GHC .prof viewer | (bsd3, development, program) | 2020-05-05 | 0.0.0.33 | MitsutoshiAoe |
| virthualenv | 12 | 0.0 | 1 | Virtual Haskell Environment builder | (bsd3, development, program) | 2013-12-09 | 0.2.2 | BartoszCwiklowski |
| visual-graphrewrite | 13 | 0.0 | 1 | Visualize the graph-rewrite steps of a Haskell program | (bsd3, development, library, program) | 2010-06-07 | 0.4.0.1 | ZsoltDollenstein |
| visual-prof | 12 | 2.0 | 1 | Create a visual profile of a program's source code | (bsd3, development, program) | 2014-02-26 | 0.5 | DanielVelkov |
| visualize-cbn | 19 | 0.0 | 1 | Visualize CBN reduction | (bsd3, development, program) | 2026-07-02 | 0.2.2 | EdskoDeVries |
| wai-make-assets | 9 | 0.0 | 1 | Compiling and serving assets | (bsd3, development, library, program) | 2021-07-24 | 0.3 | SoenkeHahn |
| watchit | 2 | 0.0 | 1 | File change watching utility | (bsd3, development, library, program) | 2014-11-19 | 0.1.0.0 | tanimoto |
| weeder | 96 | 2.5 | 1 | Detect dead code | (bsd3, development, library, program) | 2025-08-01 | 2.10.0 | NeilMitchell, OliverCharles, teo, ryndubei |
| workflow-types | 5 | 0.0 | 3 | Automate keyboard\/mouse\/clipboard\/application interaction. | (bsd3, development, library, program) | 2017-05-04 | 0.0.1 | sboo |
| workflow-windows | 4 | 0.0 | 0 | Automate keyboard/mouse/clipboard/application interaction. | (bsd3, development, program) | 2016-09-12 | 0.0.0 | sboo |
| wxhnotepad | 13 | 0.0 | 1 | An example of how to implement a basic notepad with wxHaskell | (bsd3, development, editor, education, ide, program) | 2010-05-12 | 1.2.0 | FernandoBenavides |
| wyvern-diagrams | 19 | 2.0 | 0 | Simple flowchart diagrams. Inspired by DRAKON. | (bsd3, development, library, program) | 2026-05-04 | 0.4.3.0 | Piotr_Justyna |
| xgboost-haskell | 3 | 0.0 | 0 | XGBoost library for Haskell. | (development, library, mit, program) | 2017-10-19 | 0.1.0.0 | sighingnow |
| ycextra | 2 | 0.0 | 2 | Additional utilities to work with Yhc Core. | (bsd3, development, library) | 2009-01-13 | 0.1 | DmitryGolubovsky |
| yesod-fast-devel | 2 | 0.0 | 1 | Fast live-reloading for yesod applications. | (bsd3, development, program) | 2017-05-05 | 0.1.2.0 | yamadapc |
| yhccore | 6 | 0.0 | 4 | Yhc's Internal Core language. | (bsd3, development, library) | 2009-01-18 | 0.9.1 | DmitryGolubovsky, NeilMitchell |
| yi-contrib (deprecated in favor of yi-fuzzy-open, yi-snippet) | 42 | 0.0 | 1 | Add-ons to Yi, the Haskell-Scriptable Editor | (deprecated, development, editor, gpl, library) | 2014-10-14 | 0.10.1 | CoreyOConnor, DmitryIvanov, JeffWheeler, MateuszKowalczyk |
| zephyr | 15 | 0.0 | 0 | Zephyr, tree-shaking for the PureScript language | (development, library, mpl, program) | 2023-04-25 | 0.5.3 | coot, MaybeJustJames |
| zoom-cache | 78 | 0.0 | 4 | A streamable, seekable, zoomable cache file format | (bsd3, development, library, program) | 2012-12-07 | 1.2.1.6 | ConradParker |
| zuul | 3 | 0.0 | 0 | A zuul client library | (apache, development, library, program) | 2022-03-31 | 0.1.1.0 | TristanCacqueray |