All packages by name

3d-graphics-examples programs: Examples of 3D graphics programming with OpenGL (bsd3, program)
3dmodels library: 3D model parsers (lgpl, library)
4Blocks program: A tetris-like game (works with GHC 6.8.3 and Gtk2hs 0.9.13) (bsd3, program)
ABList library: An alternating list of two types (bsd3, library)
AC-Angle library: Angles in degrees and radians. (bsd3, library)
AC-Boolean library: Handle Boolean values generatically. (bsd3, library)
AC-BuildPlatform library: Detect which OS you're running on. (bsd3, library)
AC-Colour library: Efficient RGB colour types. (bsd3, library)
AC-EasyRaster-GTK library: GTK+ pixel plotting. (bsd3, library)
AC-HalfInteger library: Efficient half-integer type. (bsd3, library)
AC-MiniTest library: A simple test framework. (bsd3, library)
AC-PPM library: Trivial package for writing PPM images. (bsd3, library)
AC-Random library: A pure Haskell PRNG. (bsd3, library)
AC-Terminal library: Trivial wrapper over ansi-terminal. (bsd3, library)
AC-VanillaArray library: Immutable arrays with plain integer indicies. (bsd3, library)
AC-Vector library: Efficient geometric vectors and transformations. (bsd3, library)
AC-Vector-Fancy library: Fancy type-system stuff for AC-Vector (bsd3, library)
ACME library: Essential features (bsd3, library)
ADPfusion library and program: Efficient, high-level dynamic programming. (bsd3, library, program)
AERN-Basics library and program: foundational type classes for approximating exact real numbers (bsd3, library, program)
AERN-Net library: Compositional lazy dataflow networks for exact real number computation (bsd3, library)
AERN-Real library: arbitrary precision real interval arithmetic (bsd3, library)
AERN-Real-Double library and programs: arbitrary precision real interval arithmetic (bsd3, library, program)
AERN-Real-Interval library: arbitrary precision real interval arithmetic (bsd3, library)
AERN-RnToRm library: polynomial function enclosures (PFEs) approximating exact real functions (bsd3, library)
AERN-RnToRm-Plot library: GL plotting of polynomial function enclosures (PFEs) (bsd3, library)
AES library: Fast AES encryption/decryption for bytestrings (bsd3, library)
AGI library: A library for writing AGI scripts for Asterisk (bsd3, library)
ALUT library: A binding for the OpenAL Utility Toolkit (bsd3, library)
AMI library: Low-level bindings for Asterisk Manager Interface (AMI). (bsd3, library)
ANum library: Num instance for Applicatives provided via the ANum newtype (bsd3, library)
ASN1 library: ASN.1 support for Haskell (bsd3, deprecated, library)
AVar library: Mutable variables with Exception handling and concurrency support. (bsd3, library)
AWin32Console library: A binding to a part of the ANSI escape code for the console (bsd3, library)
AbortT-monadstf library: Monads-tf instances for the AbortT monad transformer. (bsd3, library)
AbortT-mtl library: mtl instances for the AbortT monad transformer (bsd3, library)
AbortT-transformers library: A monad and monadic transformer providing "abort" functionality (bsd3, library)
ActionKid library and program: An easy-to-use video game framework for Haskell. (bsd3, library, program)
Adaptive library and program: Library for incremental computing. (bsd3, library, program)
Adaptive-Blaisorblade library and program: Library for incremental computing. (bsd3, library, program)
Advgame program: Lisperati's adventure game in Lisp translated to Haskell (bsd3, program)
AesonBson library: Mapping between Aeson's JSON and Bson objects. (library)
Agata library: Generator-generator for QuickCheck (bsd3, deprecated, library)
Agda library and programs: A dependently typed functional programming language and proof assistant (library, program)
Agda-executable program: Command-line program for type-checking and compiling Agda programs (deprecated, program)
AhoCorasick library: Aho-Corasick string matching algorithm (bsd3, library)
AlgorithmW program: Example implementation of Algorithm W for Hindley-Milner type inference. (bsd3, program)
Allure program: Near-future Sci-Fi roguelike and tactical squad game (agpl, program)
AndroidViewHierarchyImporter program: Android view hierarchy importer (bsd3, program)
Animas library: Updated version of Yampa: a library for programming hybrid systems. (bsd3, library)
Annotations library: Constructing, analyzing and destructing annotated trees (bsd3, library)
Ansi2Html program: Convert ANSI Terminal Sequences to nice HTML markup (bsd3, program)
ApplePush library and program: Library for Apple Push Notification Service (bsd3, library, program)
AppleScript library: Call AppleScript from Haskell, and then call back into Haskell. (bsd3)
ArrayRef library: Unboxed references, dynamic arrays and more (bsd3, library)
AspectAG library: Attribute Grammars in the form of an EDSL (lgpl, library)
AttoBencode library: Fast Bencode encoding and parsing library (bsd3, library)
AttoJson library: Simple lightweight JSON parser, generator & manipulator based on ByteString (bsd3, deprecated, library)
Attrac program: Visualisation of Strange Attractors in 3-Dimensions (bsd3, program)
Aurochs program: Yet another parser generator for C/C++ (bsd3, program)
AutoForms library: GUI library based upon generic programming (SYB3) (lgpl, library)
AvlTree library: Balanced binary trees using the AVL algorithm. (bsd3, library)
BASIC library: Embedded BASIC (bsd3, library)
BNFC library and program: A compiler front-end generator. (gpl, library, program)
BNFC-meta library: Deriving Parsers and Quasi-Quoters from BNF Grammars (gpl, library)
Baggins library: Tools for self-assembly (gpl, library)
Bang library: A Drum Machine DSL for Haskell (library, mit)
Barracuda library and program: An ad-hoc P2P chat program (gpl, library, program)
Befunge93 program: An interpreter for the Befunge-93 Programming Language (bsd3, program)
BerkeleyDB library: Berkeley DB binding (bsd3, library)
BerkeleyDBXML library: Berkeley DB XML binding (bsd3, library)
BerlekampAlgorithm library: Factorization of polynomials over finite field (bsd3, library)
BigPixel program: Image editor for pixel art (bsd3, program)
Binpack library: Common bin-packing heuristics. (bsd3, library)
Biobase library: Base library for bioinformatics (gpl, library)
BiobaseBlast library: BLAST-related tools (gpl, library)
BiobaseDotP library: Vienna / DotBracket / ExtSS parsers (gpl, library)
BiobaseFR3D library: Importer for FR3D resources (gpl, library)
BiobaseFasta library and program: conduit-based FASTA parser (gpl, library, program)
BiobaseInfernal library: Infernal data structures and tools (gpl, library)
BiobaseMAF library: Multiple Alignment Format (gpl, library)
BiobaseTrainingData library and program: RNA folding training data (gpl, library, program)
BiobaseTurner library: Import Turner RNA parameters (gpl, library)
BiobaseTypes library: (deprecated) Ring class, with several instances. (gpl, library)
BiobaseVienna library: Import Vienna energy parameters (gpl, library)
BiobaseXNA library and program: Efficient RNA/DNA representations (gpl, library, program)
BirdPP program: A preprocessor for Bird-style Literate Haskell comments with Haddock markup. (gpl, program)
BitSyntax library: A module to aid in the (de)serialisation of binary data (bsd3, library)
Bitly library: A library to access bit.ly URL shortener. (bsd3, deprecated, library)
BlastHTTP library: Libary to interface with the NCBI blast REST interface (gpl, library)
Blobs library and program: Diagram editor (lgpl, library, program)
BlogLiterately library and program: A tool for posting Haskelly articles to blogs (gpl, library, program)
BlogLiterately-diagrams library and program: Include images in blog posts with inline diagrams code (bsd3, library, program)
BluePrintCSS library: Html document layout library. (bsd3, deprecated, library)
Blueprint library: Preview of a new build system. (bsd3, library)
Bookshelf program: A simple document organizer with some wiki functionality (gpl, program)
Boolean library: Generalized booleans and numbers (bsd3, library)
BoundedChan library: Implementation of bounded channels. (bsd3, library)
Bravo library: Static text template generation library (bsd3, library)
Buster program: Hits a set of urls periodically to bust caches (mit, program)
CBOR library: Encode/Decode values to/from CBOR (lgpl, library)
CC-delcont library: Delimited continuations and dynamically scoped variables (library)
CC-delcont-alt library: Three new monad transformers for multi-prompt delimited control (bsd3, library)
CC-delcont-cxe library: A monad transformers for multi-prompt delimited control (bsd3, library)
CC-delcont-exc library: A monad transformers for multi-prompt delimited control (bsd3, library)
CC-delcont-ref library: A monad transformers for multi-prompt delimited control using refercence cells (bsd3, library)
CC-delcont-ref-tf library: A monad transformers for multi-prompt delimited control using refercence cells (bsd3, library)
CCA library and program: preprocessor and library for Causal Commutative Arrows (CCA) (bsd3, library, program)
CHXHtml library: A W3C compliant (X)HTML generating library (bsd3, library)
CLASE library: Cursor Library for A Structured Editor (bsd3, library)
CMCompare library and program: Infernal covariance model comparison (gpl, library, program)
CMQ library: cwmwl udp message queue (bsd3, library)
COrdering library: An algebraic data type similar to Prelude Ordering. (bsd3, library)
CPBrainfuck program: A simple Brainfuck interpretter. (bsd3, program)
CPL program: An interpreter of Hagino's Categorical Programming Language (CPL). (bsd3, program)
CSPM-CoreLanguage library: Definition of a FDR-compatible CSP core-language. (bsd3, library)
CSPM-FiringRules library: Firing rules semantic of CSPM (bsd3, library)
CSPM-Frontend library: A CSP-M parser compatible with FDR-2.91 (bsd3, library)
CSPM-Interpreter library: An interpreter for CSPM (bsd3, library)
CSPM-ToProlog library: some modules specific for the ProB tool (bsd3, library)
CSPM-cspm library and program: cspm command line tool for analyzing CSPM specifications. (bsd3, library, program)
CTRex library: Open records using closed type families. (bsd3, library)
CV library: OpenCV based machine vision library (gpl, library)
Cabal library: A framework for packaging Haskell software (bsd3, library)
CabalSearch program: Search cabal packages by name (bsd3, program)
Capabilities library: Separate and contain effects of IO monad. (bsd3, library)
Cardinality library: Measure container capacity. Use it to safely change container. (lgpl, library)
CarneadesDSL library: An implementation and DSL for the Carneades argumentation model. (bsd3, library)
CarneadesIntoDung library and program: A translation from the Carneades argumentation model into Dung's AFs. (bsd3, library, program)
Cascade library: Playing with reified categorical composition (library, public-domain)
Catana library: A monad for complex manipulation of a stream. (bsd3, library)
Chart library: A library for generating 2D Charts and Plots (bsd3, library)
Chart-cairo library: Cairo backend for Charts. (bsd3, library)
Chart-diagrams library: Diagrams backend for Charts. (bsd3, library)
Chart-gtk library: Utility functions for using the chart library with GTK (bsd3, library)
Chart-simple library: A wrapper for the chart library to assist with basic plots (Deprecated - use the Easy module instead) (bsd3, deprecated, library)
ChasingBottoms library: For testing partial and infinite values. (library, mit)
CheatSheet program: A Haskell cheat sheet in PDF and literate formats. (bsd3, program)
Checked library: Inbuilt checking for ultra reliable computing (bsd3, library)
Chitra program: A platform independent mechanism to render graphics using vnc. (bsd3, program)
ChristmasTree library: Alternative approach of 'read' that composes grammars instead of parsers. (lgpl, library)
ClassLaws library: Stating and checking laws for type class methods (bsd3, library)
ClassyPrelude library: Prelude replacement using classes instead of concrete types where reasonable (bsd3, library)
Clean library: A light, clean and powerful utility library (bsd3, deprecated, library)
Clipboard library: System clipboard interface. (bsd3, library)
ClustalParser library and program: Libary for parsing Clustal tools output (gpl, library, program)
Coadjute library: A generic build tool (bsd3, deprecated, library)
Codec-Compression-LZF library: LZF compression bindings. (bsd3, library)
Codec-Image-DevIL library: An FFI interface to the DevIL library (bsd3, library)
Combinatorrent program: A concurrent bittorrent client (bsd3, program)
Command library: A replacement for System.Exit and System.Process (bsd3, deprecated, library)
Commando library and program: Watch some files; Rerun a command (library, mit, program)
ComonadSheet library: A library for expressing spreadsheet-like computations as the fixed-points of comonads. (bsd3, library)
ConcurrentUtils library: Concurrent utilities (gpl, library)
Condor library and program: Information retrieval library (bsd3, library, program)
ConfigFile library: Configuration file reading & writing (bsd3, library)
ConfigFileTH library: Template haskell for reading ConfigFiles. (lgpl, library)
Configger library: Parse config files (library, mit)
Configurable library: Declare types as Configurable then specialize them all in one place (library, mit)
ConsStream library: Trivial re-export of Wouter Swierstra's Stream package, avoiding module name clash. (bsd3, library)
Conscript program: Restart a command on STDIN activity (mit, program)
ConstraintKinds library: Repackages standard type classes with the ConstraintKinds extension (bsd3, library)
Consumer library: A monad and monad transformer for consuming streams (bsd3, library)
ContArrow library: Control.Arrow.Transformer.Cont (bsd3, library)
Contract library: Practical typed lazy contracts. (bsd3, library)
Control-Engine library: A parallel producer/consumer engine (thread pool) (bsd3, deprecated, library)
Control-Monad-MultiPass library: A Library for Writing Multi-Pass Algorithms. (bsd3, library)
Control-Monad-ST2 library: A variation on the ST monad with two type parameters. (bsd3, library)
CoreErlang library: Manipulating Core Erlang source code (bsd3, library)
CoreFoundation library: Bindings to Mac OSX's CoreFoundation framework (bsd3, library)
Coroutine library: Type-safe coroutines using lightweight session types. (bsd3, library)
CouchDB library: CouchDB interface (bsd3, library)
Craft3e library and programs: Code for Haskell: the Craft of Functional Programming, 3rd ed. (library, mit, program)
Crypto library and programs: Collects together existing Haskell cryptographic functions into a package (library, program)
CurryDB library and programs: CurryDB: In-memory Key/Value Database (bsd3, library, program)
DAG-Tournament program: Real-Time Game Tournament Evaluator (gpl, program)
DAV library and program: RFC 4918 WebDAV support (gpl, library, program)
DBlimited program: A command-line SQL interface for flat files (tdf,csv,etc.) (bsd3, program)
DBus library: D-Bus bindings (bsd3, library)
DMuCheck program: Distributed Mutation Analysis framework for MuCheck (gpl, program)
DOM library: DOM Level 2 bindings for the WebBits package. (bsd3, library)
DP library: Pragmatic framework for dynamic programming (bsd3, library)
DPM library and program: Darcs Patch Manager (gpl, library, program)
DRBG library: Deterministic random bit generator (aka RNG, PRNG) based HMACs, Hashes, and Ciphers. (bsd3, library)
DSH library and program: Database Supported Haskell (bsd3, library, program)
DSTM library and programs: A framework for using STM within distributed systems (lgpl, library, program)
DTC library: Data To Class transformation. (bsd3, library)
Dangerous library: Monads for operations that can exit early and produce warnings (library, mit)
Dao library and program: Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind. (gpl, library, program)
DarcsHelpers library: Code used by Patch-Shack that seemed sensible to open for reusability (gpl, library)
Data-Hash-Consistent library: Provide a simple consistent hashing mechanism (bsd3, library)
Data-Rope library: Ropes, an alternative to (Byte)Strings. (deprecated, gpl, library)
DataTreeView library: A GTK widget for displaying arbitrary Data.Data.Data instances (bsd3, library)
Deadpan-DDP library and program: Write clients for Meteor's DDP Protocol (library, mit, program)
DebugTraceHelpers library: Convenience functions and instances for Debug.Trace (gpl, library)
Decimal library: Decimal numbers with variable precision (bsd3, library)
DecisionTree library: A very simple implementation of decision trees for discrete attributes. (lgpl, library)
DeepArrow library: Arrows for "deep application" (bsd3, library)
DefendTheKing programs: A simple RTS game (gpl, program)
DescriptiveKeys library: A library for specifying xmonad key bindings with functionality. (bsd3, library)
Dflow library: Processing Real-time event streams (bsd3, library)
Diff library: O(ND) diff algorithm in haskell. (bsd3, library)
DifferenceLogic library: A theory solver for conjunctions of literals in difference logic (bsd3, library)
DifferentialEvolution library: Global optimization using Differential Evolution (library, mit)
Digit library: A data-type representing digits 0-9 (bsd3, deprecated, library)
DigitalOcean library: A client library for the DigitalOcean API (agpl, library)
DimensionalHash library: An n-dimensional hash using Morton numbers. (bsd3, library)
DirectSound library: Partial binding to the Microsoft DirectSound API. (bsd3, library)
DisTract library and programs: Distributed Bug Tracking System (bsd3, library, program)
DiscussionSupportSystem library: Discussion support system (gpl, library)
Dish library and program: Hash modules (currently Murmur3) (bsd3, library, program)
DistanceTransform library: Distance transform function. (bsd3, library)
DistanceUnits library: A comprehensive distance library (bsd3, library)
DnaProteinAlignment library and program: Frameshift-aware alignment of protein sequences with DNA sequences (gpl, library, program)
DocTest program: Test interactive Haskell examples (deprecated, mit, program)
Docs library: Documentation types library. (bsd3, library)
DrHylo library and program: A tool for deriving hylomorphisms (bsd3, library, program)
DrIFT library and programs: Program to derive type class instances (bsd3, library, program)
DrIFT-cabalized programs: Program to derive type class instances (bsd3, deprecated, program)
Dung library and program: An implementation of the Dung argumentation frameworks. (bsd3, library, program)
Dust library: Polymorphic protocol engine (gpl, library)
Dust-crypto library: Cryptographic operations (gpl, library)
Dust-tools library and programs: Network filtering exploration tools (gpl, library, program)
Dust-tools-pcap programs: Network filtering exploration tools that rely on pcap (gpl, program)
DysFRP library: dysFunctional Reactive Programming (bsd3, library)
DysFRP-Cairo library: dysFunctional Reactive Programming on Cairo (bsd3, library)
DysFRP-Craftwerk library: dysFunctional Reactive Programming on Craftwerk (bsd3, library)
EEConfig library: ExtremlyEasyConfig - Extremly Simple parser for config files (bsd3, library)
Ebnf2ps program: Peter's Syntax Diagram Drawing Tool (bsd3, program)
EdisonAPI library: A library of efficent, purely-functional data structures (API) (library)
EdisonCore library: A library of efficent, purely-functional data structures (Core Implementations) (library)
EditTimeReport program: Query language and report generator for edit logs. (gpl, program)
EitherT library: EitherT monad transformer (bsd3, deprecated, library)
Elm library and programs: The Elm language module. (bsd3, deprecated, library, program)
Emping program: derives heuristic rules from nominal data (gpl, program)
Encode library and programs: Encoding character data (gpl, library, program)
EnumContainers library: Simple Enum-class-based int containers (bsd3, library)
EnumMap library: More general IntMap replacement. (bsd3, library)
Eq program: Render math formula in ASCII, and perform some simplifications (bsd3, program)
EqualitySolver library: A theory solver for conjunctions of literals in the theory of uninterpreted functions with equality (bsd3, library)
EsounD library: Type-safe bindings to EsounD (ESD; Enlightened Sound Daemon) (library, public-domain)
EtaMOO program: A new implementation of the LambdaMOO server (bsd3, program)
Etage library: A general data-flow framework (lgpl, library)
Etage-Graph library and program: Data-flow based graph algorithms (lgpl, library, program)
Eternal10Seconds program: A 2-D shooting game (bsd3, program)
Etherbunny library and program: A network analysis toolkit for Haskell (gpl, library, program)
EuroIT library: Library for using euro currency, italian language (bsd3, library)
Euterpea library: Library for computer music research and education (bsd3, library)
EventSocket library: Interfaces with FreeSwitch Event Socket. (bsd3, library)
Extra library: A grab bag of modules. (bsd3, library)
FComp library and program: Compose music (gpl, library, program)
FM-SBLEX programs: A set of computational morphology tools for Swedish diachronic lexicons. (gpl, program)
FModExRaw library: The Haskell FModEx raw API. (gpl, library)
FPretty library: Efficient simple pretty printing combinators (bsd3, library)
FTGL library: Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, library)
FTGL-bytestring library: Portable TrueType font rendering for OpenGL using the Freetype2 library (bsd3, library)
FTPLine program: A command-line FTP client. (bsd3, program)
Facts library: A collection of facts about the real world. (bsd3, library)
FailureT library: Failure Monad Transformer (library, public-domain)
FenwickTree library: Data structure for fast query and update of cumulative sums (bsd3, library)
FermatsLastMargin program: Annotate ps and pdf documents (gpl, program)
FerryCore library: Ferry Core Components (bsd3, library)
FieldTrip library: Functional 3D (bsd3, library)
FileManip library: Expressive file and directory manipulation for Haskell. (bsd3, deprecated, library)
FileManipCompat library: Expressive file and directory manipulation for Haskell. (bsd3, library)
FilePather library: Functions on System.FilePath (bsd3, deprecated, library)
FileSystem library: File system data structure and monad transformer. (bsd3, library)
Finance-Quote-Yahoo library: Obtain quote data from finance.yahoo.com (bsd3, library)
Finance-Treasury library: Obtain Treasury yield curve data (bsd3, library)
FindBin library: Locate directory of original program (bsd3, library)
FiniteMap library: A finite map implementation, derived from the paper: Efficient sets: a balancing act, S. Adams, Journal of functional programming 3(4) Oct 1993, pp553-562 (bsd4, deprecated, library)
FirstOrderTheory library: Grammar and typeclass for first order theories (bsd3, library)
FixedPoint-simple library: Fixed point, large word, and large int numerical representations (types and common class instances) (bsd3, library)
Flippi program: Wiki (bsd3, program)
Focus library: Tools for focusing in on locations within numbers (library, mit)
Folly library and programs: A first order logic library in Haskell (bsd3, library, program)
FontyFruity library: A true type file format loader (bsd3, library)
ForSyDe library: ForSyDe's Haskell-embedded Domain Specific Language. (bsd3, library)
ForkableT library: Forkable monad transformers (bsd3, library)
FormalGrammars library and program: (Context-free) grammars in formal language theory (gpl, library, program)
Foster program: Utilities to generate and solve puzzles (mit, program)
FpMLv53 library: A binding for the Financial Products Markup Language (v5.3) (lgpl, library)
Frank program: An experimental programming language with typed algebraic effects (program, public-domain)
FreeTypeGL library: Loadable texture fonts for OpenGL. (bsd3, deprecated, library)
FunGEn library and programs: A lightweight, cross-platform, OpenGL/GLUT-based game engine. (bsd3, library, program)
Fungi program: An interpreter for Funge-98 programming languages, including Befunge. (bsd3, program)
GA library: Genetic algorithm library (bsd3, library)
GHood library: A graphical viewer for Hood (bsd3, library)
GLFW library: A Haskell binding for GLFW (bsd3, library)
GLFW-OGL library: A binding for GLFW (OGL) (bsd3, library)
GLFW-b library: Bindings to GLFW OpenGL library (bsd3, library)
GLFW-b-demo program: GLFW-b demo (bsd3, program)
GLFW-task library: GLFW utility functions to use together with monad-task. (bsd3, library)
GLHUI library: Open OpenGL context windows in X11 with libX11 (bsd3, library)
GLMatrix library: Utilities for working with OpenGL matrices (gpl, library)
GLURaw library: A raw binding for the OpenGL graphics system (bsd3, library)
GLUT library: A binding for the OpenGL Utility Toolkit (bsd3, library)
GLUtil library: Miscellaneous OpenGL utilities. (bsd3, library)
GPX library: Parse GPX files (bsd3, geo, library)
GPipe library: A functional graphics API for programmable GPUs (bsd3, library)
GPipe-Collada library: Load GPipe meshes from Collada files (bsd3, library)
GPipe-Examples programs: Examples for the GPipes package (gpl, program)
GPipe-TextureLoad library: Load GPipe textures from filesystem (bsd3, library)
GTALib library: A library for GTA programming (bsd3, library)
Gamgine library: Some kind of game library or set of utilities. (bsd3, library)
Ganymede program: An Io interpreter in Haskell. (bsd3, program)
GaussQuadIntegration library: Non-adaptive Gaussian quadrature for numeric integraton (bsd3, library)
GeBoP program: Several games (bsd3, program)
GenI library and program: A natural language generator (specifically, an FB-LTAG surface realiser) (gpl, library, program)
GenSmsPdu program: Automatic SMS message generator (bsd3, program)
Genbank library and program: Libary for processing the NCBI genbank format (gpl, library, program)
GenericPretty library: A generic, derivable, haskell pretty printer. (bsd3, library)
GeoIp library: Pure bindings for the MaxMind IP database. (library)
Geodetic library: Geodetic calculations (bsd3, deprecated, library)
GeomPredicates library: Geometric predicates (bsd3, library)
GeomPredicates-SSE library: Geometric predicates (Intel SSE) (bsd3, library)
GiST library: A Haskell implementation of a Generalized Search Tree (GiST) (gpl, library)
Glob library: Globbing library (bsd3, library)
GlomeTrace library: Ray Tracing Library (gpl, library)
GlomeVec library: Simple 3D vector library (gpl, library)
GlomeView program: SDL Frontend for Glome ray tracer (gpl, program)
GoogleChart library: Generate web-based charts using the Google Chart API (bsd3, library)
GoogleDirections library: Haskell Interface to Google Directions API (bsd3, library)
GoogleSB library: Interface to Google Safe Browsing API (bsd3, library)
GoogleSuggest library: Interface to Google Suggest API (gpl, library)
GoogleTranslate library: Interface to Google Translate API (gpl, library)
GotoT-transformers library: A monad and monadic transformer providing "goto" functionality (bsd3, library)
GrammarProducts library and program: Grammar products and higher-dimensional grammars (gpl, library, program)
Graph500 library and program: Graph500 benchmark-related definitions and data set generator. (gpl, library, program)
GraphHammer library: GraphHammer Haskell graph analyses framework inspired by STINGER. (gpl, library)
GraphHammer-examples library and program: Test harness for TriangleCount analysis. (gpl, library, program)
GraphSCC library: Tarjan's algorithm for computing the strongly connected components of a graph. (bsd3, library)
Graphalyze library: Graph-Theoretic Analysis library. (library)
Grempa library: Embedded grammar DSL and LALR parser generator (bsd3, library)
GroteTrap library: Parser and selection library for expression languages. (bsd3, library)
Grow library: A declarative make-like interpreter. (library)
GrowlNotify library and program: Notification utility for Growl. (bsd3, library, program)
Gtk2hsGenerics library: Convenience functions to extend Gtk2hs. (gpl, library)
GtkGLTV library: OpenGL support for Gtk-based GUIs for Tangible Values (bsd3, library)
GtkTV library: Gtk-based GUIs for Tangible Values (bsd3, library)
GuiHaskell program: A graphical REPL and development environment for Haskell (bsd3, program)
GuiTV library: GUIs for Tangible Values (bsd3, library)
HARM library and programs: A simple ARM emulator in haskell (library, program)
HAppS-Data library: HAppS data manipulation libraries (bsd3, deprecated, library)
HAppS-IxSet library: (bsd3, deprecated, library)
HAppS-Server library: Web related tools and services. (bsd3, deprecated, library)
HAppS-State library: Event-based distributed state. (bsd3, deprecated, library)
HAppS-Util library: Web framework (bsd3, deprecated, library)
HAppSHelpers library: OBSOLETE. Please use happstack-helpers (bsd3, deprecated, library)
HCL library and program: High-level library for building command line interfaces. (bsd3, library, program)
HCard library: A library for implementing a Deck of Cards (bsd3, library)
HCodecs library: A library to read, write and manipulate MIDI, WAVE, and SoundFont2 files. (bsd3, library)
HDBC library: Haskell Database Connectivity (bsd3, library)
HDBC-mysql library: MySQL driver for HDBC (lgpl, library)
HDBC-odbc library: ODBC driver for HDBC (bsd3, library)
HDBC-postgresql library: PostgreSQL driver for HDBC (bsd3, library)
HDBC-postgresql-hstore library: Manipulate data in PostgreSQL "hstore" columns. (deprecated, library, mit)
HDBC-session library: Bracketed connection for HDBC (bsd3, library)
HDBC-sqlite3 library: Sqlite v3 driver for HDBC (bsd3, library)
HDRUtils library: Utilities for reading, manipulating, and writing HDR images (bsd3, library)
HERA library: (bsd3, library)
HFuse library: HFuse is a binding for the Linux FUSE library. (bsd3, library)
HGL library: A simple graphics library based on X11 or Win32 (bsd3, library)
HGamer3D library: A Toolset for the Haskell Game Programmer (library)
HGamer3D-API library: Library to enable 3D game development for Haskell - API (deprecated, library)
HGamer3D-Audio library: Toolset for the Haskell Game Programmer - Audio Functionality (library)
HGamer3D-Bullet-Binding library: Windows Game Engine for the Haskell Programmer - Bullet Bindings (deprecated, library)
HGamer3D-CAudio-Binding library: Library to enable 3D game development for Haskell - cAudio Bindings (deprecated, library)
HGamer3D-CEGUI-Binding library: A Toolset for the Haskell Game Programmer - CEGUI Bindings (library)
HGamer3D-Common library: Toolset for the Haskell Game Programmer - Game Engine and Utilities (library)
HGamer3D-Data library: Toolset for the Haskell Game Programmer - Data Definitions (library)
HGamer3D-Enet-Binding library: Enet Binding for HGamer3D (library)
HGamer3D-GUI library: GUI Functionality for HGamer3D (deprecated, library)
HGamer3D-Graphics3D library: Toolset for the Haskell Game Programmer - 3D Graphics Functionality (library)
HGamer3D-InputSystem library: Joystick, Mouse and Keyboard Functionality for HGamer3D (library)
HGamer3D-Network library: Networking Functionality for HGamer3D (library)
HGamer3D-OIS-Binding library: Library to enable 3D game development for Haskell - OIS Bindings (deprecated, library)
HGamer3D-Ogre-Binding library: Ogre Binding for HGamer3D (library)
HGamer3D-SDL2-Binding library: SDL2 Binding for HGamer3D (library)
HGamer3D-SFML-Binding library: SFML Binding for HGamer3D (library)
HGamer3D-WinEvent library: Windowing and Event Functionality for HGamer3D (deprecated, library)
HGamer3D-Wire library: Wire Functionality for HGamer3D (library)
HHDL library: Hardware Description Language embedded in Haskell. (bsd3, library)
HJScript library: HJScript is a Haskell EDSL for writing JavaScript programs. (bsd3, library)
HJVM library: A library to create a Java Virtual Machine and manipulate Java objects (bsd3, library)
HJavaScript library: HJavaScript is an abstract syntax for a typed subset of JavaScript. (bsd3, library)
HLearn-algebra library: Algebraic foundation for homomorphic learning (bsd3, library)
HLearn-approximation library: (bsd3, library)
HLearn-classification library: (bsd3, library)
HLearn-datastructures library: (bsd3, library)
HLearn-distributions library: Distributions for use with the HLearn library (bsd3, library)
HList library: Heterogeneous lists (library, mit)
HListPP library and program: A preprocessor for HList labelable labels (bsd3, library, program)
HLogger library and program: Simple, concurrent and easy-to-use logging library (bsd3, deprecated, library, program)
HMM library: A hidden markov model library (bsd3, library)
HMap library: Fast heterogeneous maps and unconstrained typeable like functionality. (bsd3, library)
HNM library and program: Happy Network Manager (bsd3, library, program)
HODE library: Binding to libODE (bsd3, library)
HOpenCV library and program: A binding for the OpenCV computer vision library (bsd3, library, program)
HPDF library: Generation of PDF documents (bsd3, library)
HPath library and program: Extract Haskell declarations by name. (bsd3, library, program)
HPi library: GPIO and I2C functions for the Raspberry Pi. (bsd3, library)
HPlot library and program: A minimal monadic PLplot interface for Haskell (bsd3, library, program)
HPong program: A simple OpenGL Pong game based on GLFW (gpl, program)
HROOT library: Haskell binding to ROOT RooFit modules (lgpl, library)
HROOT-core library: Haskell binding to ROOT Core modules (lgpl, library)
HROOT-graf library: Haskell binding to ROOT Graf modules (lgpl, library)
HROOT-hist library: Haskell binding to ROOT Hist modules (lgpl, library)
HROOT-io library: Haskell binding to ROOT IO modules (lgpl, library)
HROOT-math library: Haskell binding to ROOT Math modules (lgpl, library)
HRay program: Haskell raytracer (bsd3, program)
HSFFIG library and programs: Generate FFI import declarations from C include files (bsd3, library, program)
HSGEP library and program: Gene Expression Programming evolutionary algorithm in Haskell (bsd3, library, program)
HSH library: Library to mix shell scripting with Haskell programs (lgpl, library)
HSHHelpers library: Convenience functions that use HSH, instances for HSH. (gpl, library)
HSlippyMap library: OpenStreetMap Slippy Map (bsd3, library)
HSmarty library: Small template engine (bsd3, library)
HSoundFile library: Audio file reading/writing (bsd3, deprecated, library)
HStringTemplate library: StringTemplate implementation in Haskell. (bsd3, library)
HStringTemplateHelpers library: Convenience functions and instances for HStringTemplate (gpl, library)
HSvm library: Haskell Bindings for libsvm (bsd3, library)
HTF library and program: The Haskell Test Framework (lgpl, library, program)
HTTP library: A library for client-side HTTP (bsd3, library)
HTTP-Simple library: DEPRECATED Enable simple wrappers to Network.HTTP (bsd3, deprecated, library)
HTab program: Tableau based theorem prover for hybrid logics (gpl, program)
HTicTacToe program: An SDL tic-tac-toe game. (mit, program)
HUnit library: A unit testing framework for Haskell (bsd3, library)
HUnit-Diff library: Assertions for HUnit with difference reporting (bsd3, deprecated, library)
HUnit-Plus library: A test framework building on HUnit. (bsd3, library)
HUnit-approx library: Approximate equality for floating point numbers with HUnit (bsd3, library)
HXMPP library and program: A (prototyped) easy to use XMPP library (bsd3, deprecated, library, program)
HXQ library: A Compiler from XQuery to Haskell (bsd3, library)
HaLeX library and program: HaLeX enables modelling, manipulation and animation of regular languages (library, program, public-domain)
HaMinitel library: An Haskell library to drive the french Minitel through a serial port (gpl, library)
HaPy library: Haskell bindings for Python (library, mit)
HaRe library and program: the Haskell Refactorer. (bsd3, library, program)
HaTeX library: The Haskell LaTeX library. (bsd3, library)
HaTeX-meta program: This package is deprecated. From version 3, HaTeX does not need this anymore. (bsd3, deprecated, program)
HaVSA library and program: An implementation of the Version Space Algebra learning framework. (bsd3, library, program)
HaXml library and programs: Utilities for manipulating XML documents (lgpl, library, program)
Hach library and programs: Simple chat (library, mit, program)
HackMail library and program: A Procmail Replacement as Haskell EDSL (bsd3, library, program)
Haggressive library: Aggression analysis for Tweets on Twitter (gpl, library)
HandlerSocketClient library: Haskell implementation of a HandlerSocket client (API). (bsd3, library)
HandsomeSoup library: Work with HTML more easily in HXT (bsd3, library)
HarmTrace library and program: Harmony Analysis and Retrieval of Music (gpl, library, program)
HarmTrace-Base library: Parsing and unambiguously representing musical chords. (lgpl, library)
HasGP library: A Haskell library for inference using Gaussian processes (gpl, library)
Haschoo program: Minimalist R5RS Scheme interpreter (bsd3, deprecated, program)
Hashell program: Simple shell written in Haskell (gpl, program)
HaskellForMaths library: Combinatorics, group theory, commutative algebra, non-commutative algebra (bsd3, library)
HaskellLM library: Pure Haskell implementation of the Levenberg-Marquardt algorithm (gpl, library)
HaskellNN library: High Performance Neural Network in Haskell (gpl, library)
HaskellNet library: Client support for POP3, SMTP, and IMAP (bsd3, email, imap, library, mail, pop3, smtp)
HaskellNet-SSL library: Helpers to connect to SSL/TLS mail servers with HaskellNet (bsd3, library)
HaskellTorrent program: A concurrent bittorrent client (bsd3, program)
HaskellTutorials program: Haskell Tutorials by Evgeny Ukhanov (mit, program, tutorial)
Haskelloids program: A reproduction of the Atari 1979 classic "Asteroids" (bsd3, program)
Hawk library: Haskell Web Application Kit (bsd3, library)
Hayoo programs: The Hayoo! search engine for Haskell API search on hackage (mit, program)
Hclip library: A small cross-platform library for reading and modifying the system clipboard. (bsd3, library)
Hedi library and program: Line oriented editor (bsd3, library, program)
Hermes library: Message-based middleware layer (bsd3, deprecated, library)
Hieroglyph library: Purely functional 2D graphics for visualization. (bsd3, library)
HiggsSet library: A multi-index set with advanced query capabilites (bsd3, deprecated, library)
Hipmunk library: A Haskell binding for Chipmunk. (library)
HipmunkPlayground program: A playground for testing Hipmunk. (program)
Histogram library: (bsd3, library)
Hmpf program: An MPD client designed for a Home Theatre PC (gpl, program)
Hoed library: Debug anything without recompiling everything! (bsd3, library)
HoleyMonoid library: Monoids with holes. (bsd3, library)
Holumbus-Distribution library and programs: intra- and inter-program communication (library, program)
Holumbus-MapReduce library and programs: a distributed MapReduce framework (library, program)
Holumbus-Searchengine library: A search and indexing engine. (library, mit)
Holumbus-Storage library and programs: a distributed storage system (library, program)
Homology library: Compute the homology of a chain complex (gpl, library)
HongoDB library: A Simple Key Value Store (bsd3, library)
Hricket program: A Cricket scoring application. (bsd3, program)
Hs2lib library and programs: A Library and Preprocessor that makes it easier to create shared libs from Haskell programs. (bsd3, library, program)
HsASA library: A haskell interface to Lester Ingber's adaptive simulating annealing code (bsd3, library)
HsHaruPDF library: Haskell binding to libharu (http://libharu.sourceforge.net/) (bsd3, library)
HsHyperEstraier library: HyperEstraier binding for Haskell (library, public-domain)
HsJudy library: Judy bindings, and some nice APIs (bsd3, library)
HsOpenSSL library: Partial OpenSSL binding for Haskell (library, public-domain)
HsParrot library: Haskell integration with Parrot virtual machine (bsd3, library)
HsPerl5 library: Haskell interface to embedded Perl 5 interpreter (bsd3, library)
HsSVN library: Partial Subversion (SVN) binding for Haskell (cc0, library, public-domain, subversion)
HsSyck library: Fast, lightweight YAML loader and dumper (bsd3, library)
HsTools library: Haskell helper functions (bsd3, library)
Hsed library and program: Stream Editor in Haskell (bsd3, library, program)
Hsmtlib library: Haskell library for easy interaction with SMT-LIB 2 compliant solvers. (bsd3, library)
HueAPI library: API for controlling Philips Hue lights (bsd3, library)
Hungarian-Munkres library: A Linear Sum Assignment Problem (LSAP) solver (gpl, library)
IDynamic library: Indexable, serializable form of Data.Dynamic (bsd3, library)
IFS library and program: Iterated Function System generation for Haskell (bsd3, library, program)
INblobs program: Editor and interpreter for Interaction Nets (lgpl, program)
IOR library: Region based resource management for the IO monad. (bsd3, library)
IORefCAS library: Atomic compare and swap for IORefs and STRefs. (bsd3, deprecated, library)
IOSpec library: A pure specification of the IO monad. (bsd3, library)
IPv6Addr library: Library to deal with IPv6 address text representations. (bsd3, library)
IcoGrid library: Library for generating grids of hexagons and pentagons mapped to a sphere. (gpl, library)
IfElse library: Anaphoric and miscellaneous useful control-flow (bsd3, library)
Imlib library: (bsd3, library)
ImperativeHaskell library: A library for writing Imperative style haskell. (gpl, library)
IndentParser library: Combinators for parsing indentation based syntatic structures (gpl, library)
IndexedList library: Length- and element-indexed lists sitting somewhere between homogeneous and fully heterogeneous. (bsd3, library)
InfixApplicative library: liftA2 for infix operators. (bsd3, library)
Interpolation library: Multiline strings, interpolation and templating. (library)
Interpolation-maxs library: Multiline strings, interpolation and templating. (library)
IntervalMap library: Maps from Intervals to values, with efficient search. (bsd3, library)
Irc library: DSL for IRC bots (gpl, library)
IrrHaskell library: Haskell FRP binding to the Irrlicht game engine. (lgpl, library)
IsNull library: A typeclass to determine if a given value is null. (bsd3, library)
JSON-Combinator library: A combinator library on top of a generalised JSON type (bsd3, deprecated, library)
JSON-Combinator-Examples library: Example uses of the JSON-Combinator library. (bsd3, deprecated, library)
JSONb library: JSON parser that uses byte strings. (bsd3, library)
JYU-Utils library: Some utility functions for JYU projects (library, mit)
JackMiniMix library: control JackMiniMix (deprecated, gpl, library)
Javasf program: A utility to print the SourceFile attribute of one or more Java class files. (bsd3, deprecated, program)
Javav program: A utility to print the target version of Java class files. (bsd3, deprecated, program)
JsContracts library and program: Design-by-contract for JavaScript (bsd3, library, program)
JsonGrammar library: Combinators for bidirectional JSON parsing (bsd3, library)
JuicyPixels library: Picture loading/serialization (in png, jpeg, bitmap, gif, tga, tiff and radiance) (bsd3, library)
JuicyPixels-canvas library: Functions for drawing lines, squares and so on pixel by pixel (bsd3, library)
JuicyPixels-repa library: Convenience functions to obtain array representations of images. (bsd3, library)
JuicyPixels-util library: Convert JuicyPixel images into RGBA format, flip, trim and so on (bsd3, library)
JunkDB library: (bsd3, library)
JunkDB-driver-gdbm library: (bsd3, library)
JunkDB-driver-hashtables library: (bsd3, library)
JustParse library: A simple and comprehensive Haskell parsing library (library, public-domain)
KMP library: Knuth–Morris–Pratt string searching algorithm (bsd3, library)
KdTree library and program: KdTree, for efficient search in K-dimensional point clouds. (bsd3, library, program)
Ketchup library: A super small web framework for those who don't like big and fancy codebases (library, mit)
KiCS library and programs: A compiler from Curry to Haskell (library, program)
KiCS-debugger library and program: debug features for kics (library, program)
KiCS-prophecy library and program: a transformation used by the kics debugger (library, program)
Kleislify library: Variants of Control.Arrow functions, specialised to kleislis. (bsd3, library)
Konf library: A configuration language and a parser. (library)
KyotoCabinet library: Kyoto Cabinet DB bindings (bsd3, library)
L-seed library and program: Plant growing programming game (bsd3, library, program)
LDAP library: Haskell binding for C LDAP API (bsd3, library)
LRU library: Implements an LRU data structure (bsd3, deprecated, library)
LTree library: Tree with only leaves carrying the data. (library, public-domain)
LambdaCalculator program: A basic lambda calculator with beta reduction and a REPL (bsd3, program)
LambdaHack library and program: A game engine library for roguelike dungeon crawlers (bsd3, library, program)
LambdaINet program: Graphical Interaction Net Evaluator for Optimal Evaluation (bsd3, program)
LambdaNet library: A configurable and extensible neural network library (library, mit)
LambdaPrettyQuote library: Quasiquoter, and Arbitrary helpers for the lambda calculus. (bsd3, library)
LambdaShell program: Simple shell for evaluating lambda expressions (gpl, program)
LargeCardinalHierarchy library: A transfinite cardinal arithmetic library including all known large cardinals (library)
Lastik library: A library for compiling programs in a variety of languages (bsd3, deprecated, library)
Lattices library: A library for lattices (gpl, library)
LazyVault program: A simple sandboxing tool for Haskell packages. (gpl, program)
Level0 program: A Snake II clone written using SDL. (gpl, program)
LibClang library: Haskell bindings for libclang (a C++ parsing library) (bsd3, library)
LibZip library: Bindings to libzip, a library for manipulating zip archives. (bsd3, library)
Limit library: Wrapper for data that can be unbounded (library, mit)
LinearSplit library: Partition the sequence of items to the subsequences in the order given (bsd3, library)
LinkChecker program: Check a bunch of local html files for broken links (bsd3, program)
List library: List monad transformer and class (bsd3, library)
ListLike library: Generic support for list-like structures (bsd3, library)
ListTree library: Trees and monadic trees expressed as monadic lists where the underlying monad is a list (bsd3, library)
ListZipper library: Simple zipper for lists (bsd3, library)
Logic library: Logic (library, mit)
LogicGrowsOnTrees library: a parallel implementation of logic programming using distributed tree exploration (bsd3, library)
LogicGrowsOnTrees-MPI library: an adapter for LogicGrowsOnTrees that uses MPI (bsd3, library)
LogicGrowsOnTrees-network library: an adapter for LogicGrowsOnTrees that uses multiple processes running in a network (bsd3, library)
LogicGrowsOnTrees-processes library: an adapter for LogicGrowsOnTrees that uses multiple processes for parallelism (bsd3, library)
LslPlus program: An execution and testing framework for the Linden Scripting Language (LSL) (bsd3, program)
Lucu library: HTTP Daemonic Library (library, public-domain)
MC-Fold-DP library and program: Folding algorithm based on nucleotide cyclic motifs. (gpl, library, program)
MFlow library: stateful, RESTful web framework (bsd3, library)
MHask library: The category of monads (bsd3, library)
MagicHaskeller library: Automatic inductive functional programmer by systematic search (bsd3, library)
MaybeT library: MaybeT monad transformer (bsd3, library)
MaybeT-monads-tf library: MaybeT monad transformer compatible with monads-tf (deprecated) (bsd3, deprecated, library)
MaybeT-transformers library: MaybeT monad transformer using transformers instead of mtl. (bsd3, library)
MazesOfMonad program: Console-based Role Playing Game (bsd3, program)
MeanShift library: Mean shift algorithm (bsd3, library)
Measure library: A library for units of measurement (bsd3, library)
MemoTrie library: Trie-based memo functions (bsd3, library)
MetaHDBC library: Statically checked database access (lgpl, library)
MetaObject library: A meta-object system for Haskell based on Perl 6 (bsd3, library)
Metrics library: Evaluation metrics commonly used in supervised machine learning (bsd3, library)
Mhailist program: Haskell mailing list manager (bsd3, program)
MiniAgda program: A toy dependently typed programming language with type-based termination. (program)
MissingH library: Large utility library (bsd3, library)
MissingM library: findM and other missing 'M's (bsd3, library)
MissingPy library: Haskell interface to Python (library, mit)
Modulo library: Modular arithmetic via Numeric-Prelude (gpl, library)
Moe library and program: A FRP library based on signal functions. (bsd3, library, program)
MonadCatchIO-mtl library: Monad-transformer version of the Control.Exception module (deprecated, library, public-domain)
MonadCatchIO-mtl-foreign library: Polymorphic combinators for working with foreign functions (bsd3, deprecated, library)
MonadCatchIO-transformers library: Monad-transformer compatible version of the Control.Exception module (bsd3, deprecated, library)
MonadCatchIO-transformers-foreign library: Polymorphic combinators for working with foreign functions (bsd3, deprecated, library)
MonadLab library and program: Automatically generate layered monads (bsd3, library, program)
MonadPrompt library: MonadPrompt, implementation & examples (bsd3, library)
MonadRandom library: Random-number generation monad. (library)
MonadRandomLazy library: Lazy monad for psuedo random-number generation. (bsd3, library)
Monadius program: 2-D arcade scroller (gpl, program)
Monaris program: A simple tetris clone (bsd3, program)
Monatron library: Monad transformer library with uniform liftings (bsd3, library)
Monatron-IO library: MonadIO instances for the Monatron transformers. (bsd3, library)
Monocle library: Symbolic computations in strict monoidal categories with LaTeX output. (bsd3, library)
MorseCode library: Morse code (gpl, library)
MuCheck library: Automated Mutation Testing (gpl, library)
MuCheck-HUnit library and program: Automated Mutation Testing for HUnit tests (gpl, library, program)
MuCheck-Hspec library and program: Automated Mutation Testing for Hspec tests (gpl, library, program)
MuCheck-QuickCheck library and program: Automated Mutation Testing for QuickCheck tests (gpl, library, program)
MuCheck-SmallCheck library and program: Automated Mutation Testing for SmallCheck tests (gpl, library, program)
Munkres library: Munkres' assignment algorithm (hungarian method) (bsd3, library)
Munkres-simple library: Simple and typesafe layer over the Munkres package. (bsd3, library)
MusicBrainz library: interface to MusicBrainz XML2 web service (gpl, library)
MusicBrainz-libdiscid library: Binding to libdiscid by MusicBrainz (lgpl, library)
NGrams program: Simple application for calculating n-grams using Google. (bsd3, program)
NTRU library: NTRU Cryptography (bsd3, library)
NXT library and programs: A Haskell interface to Lego Mindstorms NXT (lgpl, library, program)
NXTDSL library and program: Generate NXC Code from DSL (bsd3, library, program)
NanoProlog library and program: Very small interpreter for a Prolog-like language (bsd3, library, program)
NaturalLanguageAlphabets library: Alphabet and word representations (bsd3, library)
NaturalSort library: Natural sorting for strings (bsd3, deprecated)
NestedFunctor library: Nested composition of functors with a type index tracking nesting. (bsd3, library)
NestedSampling library: A port of John Skilling's nested sampling C code to Haskell. (gpl, library)
NetSNMP library: Bindings for net-snmp's C API for clients (bsd3, library)
Network-NineP library and program: High-level abstraction over 9P protocol (library, program)
NewBinary library: A binary I/O library (library)
NineP library: 9P2000 in pure Haskell (9p, bsd3, library)
Ninjas program: Ninja game (bsd3, program)
NoSlow programs: Microbenchmarks for various array libraries (bsd3, program)
NoTrace library: Remove all the functions come from Debug.Trace after debugging (library, mit)
Noise library: A Haskell coherent noise generator based on libnoise (bsd3, library)
Nomyx program: A Nomic game in haskell (bsd3, program)
Nomyx-Core library: A Nomic game in haskell (bsd3, library)
Nomyx-Language library: Language to express rules for Nomic (bsd3, library)
Nomyx-Rules library: Language to express rules for Nomic (bsd3, deprecated, library)
Nomyx-Web library: Web gui for Nomyx (bsd3, library)
NonEmpty library: Library providing a non-empty list datatype, and total functions operating on it (bsd3, library)
NonEmptyList library: A list with a length of at least one. (bsd3, library)
NumInstances library: Instances of numeric classes for functions and tuples (bsd3, library)
NumLazyByteString library: Num, Enum, Eq, Integral, Ord, Real, and Show instances for Lazy ByteStrings (bsd3, deprecated, library)
NumberSieves library: Number Theoretic Sieves: primes, factorization, and Euler's Totient (bsd3, library)
Numbers library: An assortment of number theoretic functions (lgpl, library)
Nussinov78 library and program: Nussinov78 using the ADPfusion library. (gpl, library, program)
Nutri library: A little library to calculate nutrition values of food items. (library, public-domain)
OGL library: A context aware binding for the OpenGL graphics system (bsd3, library)
OSM library: Parse OpenStreetMap files (bsd3, library)
OTP library: HMAC-Based and Time-Based One-Time Passwords (library, mit)
Object library: Object oriented programming for haskell using multiparameter typeclasses. (apache, library)
ObjectIO library: (bsd3, library)
ObjectName library: Explicitly handled object names (bsd3, library)
Obsidian library: Embedded language for GPU Programming (bsd3, library)
Octree library: Simple unbalanced Octree for storing data about 3D points (bsd3, library)
OddWord library: Provides a wrapper for deriving word types with fewer bits. (bsd3, library)
Omega library: Integer sets and relations using Presburger arithmetic (bsd3, library)
OneTuple library: Singleton Tuple (bsd3, library)
OpenAFP library: IBM AFP document format parser and generator (library, public-domain)
OpenAFP-Utils programs: Assorted utilities to work with AFP data streams (program, public-domain)
OpenAL library: A binding to the OpenAL cross-platform 3D audio API (bsd3, library)
OpenCL library: Haskell high-level wrapper for OpenCL (bsd3, library)
OpenCLRaw library: The OpenCL Standard for heterogenous data-parallel computing (bsd3, library)
OpenCLWrappers library: The OpenCL Standard for heterogenous data-parallel computing (bsd3, library)
OpenGL library: A binding for the OpenGL graphics system (bsd3, library)
OpenGLCheck library: Quickcheck instances for various data structures. (bsd3, library)
OpenGLRaw library: A raw binding for the OpenGL graphics system (bsd3, library)
OpenGLRaw21 library: The intersection of OpenGL 2.1 and OpenGL 3.1 Core (library)
OpenSCAD library: ADT wrapper and renderer for OpenSCAD models. (bsd3, library)
OpenVG library: OpenVG (ShivaVG-0.2.1) binding (bsd3, library)
OpenVGRaw library: Raw binding to OpenVG (ShivaVG-0.2.1 implementation). (bsd3, library)
Operads library: Groebner basis computation for Operads. (bsd3, library)
OptDir library: The OptDir type for representing optimization directions. (bsd3, library)
OrPatterns library: A quasiquoter for or-patterns (bsd3, library)
Ordinals library: Ordinal arithmetic (bsd3, library)
PArrows library: Arrow parser combinators similar to Parsec (bsd3, library)
PBKDF2 library: Make password-based security schemes more secure. (bsd3, deprecated, library)
PCLT library: Extension to Show: templating, catalogizing, languages, parameters, etc. (deprecated, lgpl, library)
PCLT-DB library: An addon to PCLT package: enchance PCLT catalog with PostgreSQL powers. (deprecated, lgpl, library)
PDBtools library: A library for analysis of 3-D protein coordinates (gpl, library)
PSQueue library: Priority Search Queue (bsd3, library)
PTQ programs: An implementation of Montague's PTQ. (lgpl, program)
PageIO library and program: Page-oriented extraction and composition library (bsd3, library, program)
Paillier library: a simple Paillier cryptosystem (bsd3, library)
PandocAgda library and program: Pandoc support for literate Agda (bsd3, library, program)
Paraiso library: a code generator for partial differential equations solvers. (bsd3, library)
Parry library: A proven synchronization server for high performance computing. (gpl, library)
ParsecTools library: Parsec combinators for more complex objects. (gpl, library)
ParserFunction library: Parse and evaluate mathematical expressions. (bsd3, deprecated, library)
PartialTypeSignatures library: emulate partial type signatures with template haskell (bsd3, library)
PasswordGenerator library: Simple library for generating passwords (library, mit)
PastePipe library and program: CLI for pasting to lpaste.net (gpl, library, program)
Pathfinder library: Relational optimiser and code generator (bsd3, library)
Peano library: simple Peano numbers (bsd3, library)
PeanoWitnesses library: GADT type witnesses for Peano-style natural numbers. (bsd3, library)
PerfectHash library: A perfect hashing library for mapping bytestrings to values. (bsd3, library)
PermuteEffects library: Permutations of effectful computations (bsd3, library)
Pipe library: Process piping library (bsd3, deprecated, library)
Piso library: Partial isomorphisms (bsd3, library)
PlayHangmanGame program: Play Hangman Game (bsd3, program)
PlayingCards library: Playing cards api (bsd3, library)
Plot-ho-matic library: Real-time line plotter for protobuf-like data (bsd3, library)
PlslTools program: So far just a lint like program for PL/SQL. Diff and refactoring tools are planned (bsd3, program)
Plural library: Pluralize English words (gpl, library)
Pollutocracy program: An imaginary world (gpl, program)
PortFusion program: high-performance distributed reverse / forward proxy & tunneling for TCP (gpl, program)
PortMidi library: A binding for PortMedia/PortMidi (bsd3, library)
PostgreSQL library: Thin wrapper over the C postgresql library (library)
PrimitiveArray library: Efficient multidimensional arrays (bsd3, library)
Printf-TH library: (lgpl, library)
PriorityChansConverger library: Read single output from an array of inputs - channels with priorities (lgpl, library)
ProbabilityMonads library: Probability distribution monads. (bsd3, library)
PropLogic library and program: Propositional Logic (bsd3, library, program)
Proper library and programs: An implementation of propositional logic in Haskell (bsd3, library, program)
ProxN library: Proximity sets in N dimensions (bsd3, library)
Pugs program: A Perl 6 Implementation (bsd3, program)
Pup-Events library and program: A networked event handling framework for hooking into other programs. (gpl, library, program)
Pup-Events-Client library: A networked event handling framework for hooking into other programs. (gpl, library)
Pup-Events-Demo programs: A networked event handling framework for hooking into other programs. (gpl, program)
Pup-Events-PQueue library: A networked event handling framework for hooking into other programs. (gpl, library)
Pup-Events-Server library: A networked event handling framework for hooking into other programs. (gpl, library)
QIO library: The Quantum IO Monad is a library for defining quantum computations in Haskell (bsd3, library)
QuadEdge library: QuadEdge structure for representing triangulations (bsd3, library)
QuadTree library: QuadTree library for Haskell, with lens support. (gpl, library)
QuasiText library: A QuasiQuoter for Text. (bsd3, library)
QuickAnnotate library and program: Annotation Framework (bsd3, library, program)
QuickCheck library: Automatic testing of Haskell programs (bsd3, library)
QuickCheck-GenT library: A GenT monad transformer for QuickCheck library. (library, mit)
Quickson library: Quick JSON extractions with Aeson (bsd3, library)
RANSAC library: The RANSAC algorithm for parameter estimation. (bsd3, library)
RBTree library: Pure haskell Red-Black-Tree implemetation (bsd3, library)
RESTng library: A framework for writing RESTful applications. (library)
RFC1751 library: RFC-1751 library for Haskell (library, public-domain)
RJson library: A reflective JSON serializer/parser. (bsd3, library)
RMP library and programs: Binding to code that controls a Segway RMP (bsd3, library, program)
RNAFold library and programs: RNA secondary structure prediction (gpl, library, program)
RNAFoldProgs programs: RNA secondary structure folding (gpl, program)
RNAdesign library and program: Multi-target RNA sequence design (gpl, library, program)
RNAdraw library and program: Draw RNA secondary structures (gpl, library, program)
RNAwolf library and programs: RNA folding with non-canonical basepairs and base-triplets. (gpl, library, program)
RSA library: Implementation of RSA, using the padding schemes of PKCS#1 v2.1. (bsd3, library)
Raincat program: A puzzle game written in Haskell with a cat in lead role (bsd3, program)
Random123 library: Haskell port of Random123 library (library, mit)
RandomDotOrg library: Interface to random.org (deprecated, library, public-domain)
Randometer program: Randomness intuition trainer (mit, program)
Range library: Data structure for managing ranges (bsd3, library)
Ranged-sets library: Ranged sets for Haskell (bsd3, library)
Ranka program: HTTP to XMPP omegle chats gate. (gpl, program)
Rasenschach program: Soccer simulation (bsd3, program)
Rasterific library: A pure haskell drawing engine. (bsd3, library)
ReadArgs library and program: Simple command line argument parsing (bsd3, library, program)
Redmine library: Library to access Redmine's REST services (library, mit)
Ref library: Generic Mutable Ref Abstraction Layer (bsd3, library)
RefSerialize library: Write to and read from ByteStrings maintaining internal memory references (bsd3, library)
Referees library and program: A utility for computing distributions of material to review among reviewers. (gpl, library, program)
RepLib library: Generic programming library with representation types (bsd3, library)
ReplicateEffects library: Composable replication schemes of applicative functors (bsd3, library)
ReviewBoard library and programs: Haskell bindings to ReviewBoard (bsd3, library, program)
Rlang-QQ library: quasiquoter for inline-R code (bsd3, library)
RollingDirectory program: Limits the size of a directory's contents (gpl, program)
RxHaskell library: Reactive Extensions for Haskell (library, mit)
SBench library: A benchmark suite for runtime and heap measurements over a series of inputs. (bsd3, library)
SConfig library: A simple config library (library, mit)
SDL library: Binding to libSDL (bsd3, library)
SDL-gfx library: Binding to libSDL_gfx (bsd3, library)
SDL-image library: Binding to libSDL_image (bsd3, library)
SDL-mixer library: Binding to libSDL_mixer (bsd3, library)
SDL-mpeg library: Binding to the SMPEG library (bsd3, library)
SDL-ttf library: Binding to libSDL_ttf (bsd3, library)
SDL2-ttf library: Binding to libSDL-ttf (deprecated, library, mit)
SFML library: SFML bindings (library, mit)
SFML-control library: Higher level library on top of SFML (library, mit)
SFont library: SFont SDL Bitmap Fonts (bsd3, deprecated, library)
SG library: Small geometry library for dealing with vectors and collision detection (bsd3, library)
SGdemo program: An example of using the SG and OpenGL libraries (gpl, program)
SHA library: Implementations of the SHA suite of message digest functions (bsd3, library, program)
SHA2 library: Fast, incremental SHA hashing for bytestrings (bsd3, library)
SMTPClient library: A simple SMTP client library (bsd3, library)
SNet library: Declarative coördination language for streaming networks. (lgpl, library)
SQLDeps library: Calculate db-data dependencies of functions (bsd3, library)
STL library: STL 3D geometry format parsing and pretty-printing (bsd3, library)
STMonadTrans library: A monad transformer version of the ST monad (bsd3, library)
SVG2Q program: Code generation tool for Quartz code from a SVG. (bsd3, program)
SVGFonts library: Fonts from the SVG-Font format (bsd3, library)
SVGPath library: Parsing the path command of SVG (bsd3, library)
SWMMoutGetMB library: A parser for SWMM 5 binary .OUT files (lgpl, library)
SableCC2Hs library and program: Generate a parser (in Haskell) with the SableCC parser generator. (bsd3, library, program)
Safe library: Library for safe (pattern match free) functions (bsd3, deprecated, library)
SafeSemaphore library: Much safer replacement for QSemN, QSem, and SampleVar (bsd3, library)
Salsa library: A .NET Bridge for Haskell (bsd3, library)
ScratchFs program: Size limited temp filesystem based on fuse (gpl, program)
Scurry program: A cross platform P2P VPN application built using Haskell. (bsd3, program)
SegmentTree library: Data structure for querying the set (or count) of intervals covering given point (bsd3, library)
Semantique program: Command-line tool for maintaining the Semantique database. (program, public-domain)
Semigroup library: A semigroup (bsd3, library)
SessionLogger library: Easy Loggingframework (lgpl, library)
ShellCheck library and program: Shell script analysis tool (agpl, library, program)
Shellac library: A framework for creating shell envinronments (bsd3, library)
Shellac-compatline library: "compatline" backend module for Shellac (bsd3, library)
Shellac-editline library: Editline backend module for Shellac (bsd3, library)
Shellac-haskeline library: Haskeline backend module for Shellac (bsd3, library)
Shellac-readline library: Readline backend module for Shellac (bsd3, library)
ShowF library: Show for * -> * (bsd3, library)
Shu-thing program: A vector shooter game (bsd3, program)
SimpleAES library: Fast AES encryption/decryption for bytestrings (bsd3, library)
SimpleEA library: Simple evolutionary algorithm framework. (bsd3, library)
SimpleGL library: A Simple Graphics Library from the SimpleH framework. (bsd3, deprecated, library)
SimpleH library: A light, clean and powerful Haskell utility library (deprecated, library)
SimpleLog library: Simple, configurable logging (bsd3, library)
SizeCompare library: Fast size comparison for standard containers. (gpl, library)
Smooth library: A tiny, lazy SMT solver (bsd3, library)
Snusmumrik programs: E-library directory based on FUSE virtual file system. (bsd3, deprecated, program)
SoOSiM library: Abstract full system simulator (bsd3, library)
SoccerFun library and program: Football simulation framework for teaching functional programming (bsd3, library, program)
SoccerFunGL library and programs: OpenGL UI for the SoccerFun framework (bsd3, library, program)
Sonnex library: Sonnex is an alternative to Soundex for french language (gpl, library)
SourceGraph program: Static code analysis using graph-theoretic techniques. (gpl, program)
SpaceInvaders program: Video game (bsd3, program)
SpacePrivateers program: Simple space pirate roguelike (bsd3, program)
SpinCounter library: Lock free Spin Counter (bsd3, library)
Spock library: Another Haskell web framework for rapid development (bsd3, library)
Spock-auth library: Provides authentification helpers for Spock (bsd3, library)
Spock-digestive library: Digestive functors support for Spock (library, mit)
Spock-worker library: Background workers for Spock (library, mit)
SpreadsheetML library: Write support for Excel's SpreadsheetML format (bsd3, library)
Sprig library: Binding to Sprig (bsd3, deprecated, library)
Stasis library and program: A simple MVCC like library (bsd3, library, program)
StateVar library: State variables (bsd3, library)
StateVar-transformer library: State variables (bsd3, library)
StatisticalMethods library: Collection of useful statistical methods. (gpl, library)
Stomp library: Client library for Stomp brokers. (bsd3, library)
Strafunski-ATermLib library: An abstract data type designed for the exchange of tree-like data structures (bsd3, library)
Strafunski-Sdf2Haskell program: Converts SDF to Haskell (bsd3, program)
Strafunski-StrategyLib library: Library for strategic programming (bsd3, library)
StrappedTemplates library: General purpose templates in haskell (bsd3, library)
StrategyLib library: (all-rights-reserved, library)
Stream library: A library for manipulating infinite lists. (bsd3, library)
StrictBench library: Benchmarking code through strict evaluation (gpl, library)
SybWidget library: Library which aids constructing generic (SYB3-based) widgets (lgpl, library)
SyntaxMacros library: Syntax Macros in the form of an EDSL (deprecated, lgpl, library)
Sysmon library: Sybase 15 sysmon reports processor (bsd3, library)
TBC library and program: Testing By Convention (bsd3, library, program)
TBit library: Utilities for condensed matter physics tight binding calculations. (bsd3, library, physics, science)
TCache library: A Transactional cache with user-defined persistence (bsd3, library)
TTTAS library: Typed Transformations of Typed Abstract Syntax (lgpl, library)
TV library: Tangible Values -- composable interfaces (bsd3, library)
TYB library: Template Your Boilerplate - a Template Haskell version of SYB (bsd3, library)
TableAlgebra library: Ferry Table Algebra (bsd3, library)
Tables program: A client for Quill databases (bsd3, program)
Tablify program: Tool to render CSV into tables of various formats (bsd3, program)
Takusen library: Database library with left-fold interface, for PostgreSQL, Oracle, SQLite, ODBC. (bsd3)
Tape library: Bidirectionally infinite streams, akin to the tape of a Turing machine. (bsd3, library)
TeaHS library: TeaHS Game Creation Library (bsd3, deprecated, library)
Tensor library: Tensor data types (bsd3, library)
TernaryTrees library and program: Efficient pure ternary tree Sets and Maps (bsd3, library, program)
Theora library: (gpl, library)
Thingie library: Purely functional 2D drawing (bsd3, deprecated, library)
ThreadObjects library: Mutable objects that reside in their own threads. (gpl, library)
Thrift library: Haskell bindings for the Apache Thrift RPC system (library)
TicTacToe library: A sub-project (exercise) for a functional programming course (bsd3, library)
TigerHash library: TigerHash with C implementation (gpl, library)
TimePiece library and program: A simple tile-based digital clock screen saver (library, program, public-domain)
TinyLaunchbury library: Simple implementation of call-by-need using Launchbury's semantics (bsd3, library)
TinyURL library: Use TinyURL to compress URLs (bsd3, library)
Top library and program: Constraint solving framework employed by the Helium Compiler. (gpl, library, program)
Tournament library: Tournament related algorithms (library, mit)
TraceUtils library: Functions that should have been in Debug.Trace (bsd3, library)
TransformersStepByStep program: Tutorial to monad transformers. (bsd3, program)
Transhare library: A library to apply transformation to containers so as to maximize sharing of unchanged subcomponents. (bsd3, library)
TreeCounter library: Wait-free Tree Counter (bsd3, library)
TreeStructures library: A collection of heaps and search trees (bsd3, library)
TreeT library: Transformer for Data.Tree (library, public-domain)
Treiber library: Lock free Treiber stack (bsd3, library)
TrendGraph library: A simple trend Graph script (library, public-domain)
TrieMap library: Automatic type inference of generalized tries with Template Haskell. (bsd3, library)
Twofish library: An implementation of the Twofish Symmetric-key cipher. (bsd3, library)
TypeClass program: Typing speed game (bsd3, program)
TypeCompose library: Type composition classes & instances (bsd3, library)
TypeIlluminator program: TypeIlluminator is a prototype tool exploring debugging of type errors/ (bsd3, program)
TypingTester program: Command Line Typing speed tester (gpl, program)
UISF library: Library for Arrowized Graphical User Interfaces. (bsd3, library)
UMM program: A small command-line accounting tool (gpl, program)
URLT library: Library for maintaining correctness of URLs within an application. (bsd3, deprecated, library)
URLb library: DEPRECATED A simple, liberal URL parser. (bsd3, library)
Unique library: It provides the functionality like unix "uniq" utility (bsd3, library)
Unixutils library: A crude interface between Haskell and Unix-like operating systems (bsd3, library)
Unixutils-shadow library: A simple interface to shadow passwords (aka, shadow.h) (bsd3, library)
UrlDisp library: Url dispatcher. Helps to retain friendly URLs in web applications. (bsd3, library)
Useful library: Some useful functions and shorthands. (bsd3, library)
UtilityTM library: Utility functions that are missing from the standard library (bsd3, library)
VKHS library and programs: Provides access to Vkontakte social network via public API (bsd3, library, program)
Validation library: A data-type like Either but with an accumulating Applicative (bsd3, deprecated, library)
Vec library: Fixed-length lists and low-dimensional linear algebra. (bsd3, library)
Vec-Boolean library: Provides Boolean instances for the Vec package (bsd3, library)
Vec-OpenGLRaw library: Instances and functions to interoperate Vec and OpenGL. (bsd3, library)
Vec-Transform library: This package is obsolete (bsd3, library)
VecN library: a simple peano-indexed vector type (bsd3, library)
ViennaRNA-bindings library: ViennaRNA v2 bindings (library)
WAVE library and program: WAVE audio file IO library (bsd3, library, program)
WL500gPControl programs: A simple command line tools to control the Asus WL500gP router (bsd3, program)
WL500gPLib library and program: A simple library to access to the WL 500gP router from the Haskell code (bsd3, library, program)
WMSigner library: WebMoney authentication module (library, mit)
WURFL library: Convert the WURFL file into a Parsec parser (bsd3, deprecated, library)
WXDiffCtrl library: WXDiffCtrl (bsd3, library)
WashNGo library and programs: WASH is a family of EDSLs for programming Web applications in Haskell. (bsd3, library, program)
WebBits library: JavaScript analysis tools (bsd3, deprecated, library)
WebBits-Html library: JavaScript analysis tools (lgpl, library)
WebBits-multiplate library: A Multiplate instance for JavaScript. (library, mit)
WebCont library: Continuation based web programming for Happstack (bsd3, library)
WeberLogic library and program: Logic interpreter (bsd3, library, program)
Webrexp library and program: Regexp-like engine to scrap web data (bsd3, library, program)
Wheb library: The frictionless WAI Framework (bsd3, library)
WikimediaParser library: A parser for wikimedia style article markup. (bsd3, library)
Win32 library: A binding to part of the Win32 library (bsd3, library)
Win32-dhcp-server library: Win32 DHCP Server Management API (bsd3, library)
Win32-errors library: Alternative error handling for Win32 foreign calls (bsd3, library)
Win32-extras library: Provides missing Win32 API (bsd3, library, windows)
Win32-junction-point library: Support for manipulating NTFS junction points. (bsd3, library)
Win32-notify library and program: A binding to part of the Win32 library for file notification (bsd3, library, program)
Win32-services library: Windows service applications (bsd3, library)
Win32-services-wrapper library: Wrapper code for making a Win32 service (bsd3, library)
Wired library: Wire-aware hardware description (bsd3, library)
WordNet library: Haskell interface to the WordNet database (bsd3, library)
WordNet-ghc74 library: Haskell interface to the WordNet database (bsd3, library)
Wordlint program: Plaintext prose redundancy linter. (program)
Workflow library: Workflow patterns over a monad for thread state logging & recovery (bsd3, library)
WxGeneric library: Generic (SYB3) construction of wxHaskell widgets (lgpl, library)
X11 library: A binding to the X11 graphics library (bsd3, library)
X11-extras library: Missing bindings to the X11 graphics library (bsd3, library)
X11-rm library: A binding to the resource management functions missing from X11. (bsd3, library)
X11-xdamage library: A binding to the Xdamage X11 extension library (bsd3, library)
X11-xfixes library: A binding to the Xfixes X11 extension library (library, mit)
X11-xft library: Bindings to the Xft, X Free Type interface library, and some Xrender parts (lgpl, library)
X11-xshape library: A binding to the Xshape X11 extension library (bsd3, library)
XAttr library: Read, set, and list extended attributes (deprecated, gpl, library)
XInput library: Bindings for the DirectX XInput library. (bsd3, library)
XMMS library: XMMS2 client library. (lgpl, library)
XMPP library: XMPP library (bsd3, library)
XSaiga library and program: An implementation of a polynomial-time top-down parser suitable for NLP (bsd3, library, program)
Xauth library: A binding to the X11 authentication library (bsd3, library)
Xec program: Gtk command launcher with identicon (bsd3, program)
XmlHtmlWriter library: A library for writing XML and HTML (bsd3, library)
YACPong program: Yet Another Pong Clone using SDL. (mit, program)
YFrob library: Yampa-based library for programming robots (bsd3, library)
Yablog library: A simple blog engine powered by Yesod. (bsd3)
YamlReference library and programs: YAML reference implementation (lgpl, library, program)
Yampa library: Library for programming hybrid systems. (bsd3, library)
YampaSynth library: Software synthesizer (bsd3)
Yocto library: A Minimal JSON Parser & Printer for Haskell (deprecated, library, mit)
Yogurt library: A MUD client library (bsd3, library)
Yogurt-Standalone program: A functional MUD client (bsd3, program)
ZFS library: Oleg's Zipper FS (library, public-domain)
ZMachine program: A Z-machine interpreter (bsd3, program)
ZipFold library: Zipping folds (bsd3, library)
ZipperAG library: An implementationg of Attribute Grammars using Functional Zippers (bsd3, library)
Zora library: Graphing library wrapper + assorted useful functions (bsd3, library)
Zwaluw library: Combinators for bidirectional URL routing (bsd3, library)
a50 program: Compare genome assemblies (gpl, program)
abacate library: Parser for a language similar to Cucumber's Gherkin (library)
abc-puzzle program: Generate instances of the ABC Logic Puzzle. (bsd3, program)
abcBridge library and program: Bindings for ABC, A System for Sequential Synthesis and Verification (bsd3, library, program)
abcnotation library: Haskell representation and parser for ABC notation. (bsd3, library)
abeson library: interconversion between aeson and bson. (library, mit)
abstract-deque library: Abstract, parameterized interface to mutable Deques. (bsd3, library)
abstract-deque-tests library: A test-suite for any queue or double-ended queue satisfying an interface (bsd3, library)
abstract-par library: Type classes generalizing the functionality of the 'monad-par' library. (bsd3, library)
abstract-par-accelerate library: Provides the class ParAccelerate, nothing more. (bsd3, library)
abt library: Abstract binding trees for Haskell (library, mit)
ac-machine library: Aho-Corasick string matching algorithm in Haskell (bsd3, library)
ac-machine-conduit library: Drive Aho-Corasick machines in Conduit pipelines (bsd3, library)
accelerate library: An embedded language for accelerated array processing (bsd3, library)
accelerate-arithmetic library: Linear algebra and interpolation using the Accelerate framework (bsd3, library)
accelerate-cublas library and program: Basic Linear Algebra using native CUBLAS library (bsd3, library, program)
accelerate-cuda library: Accelerate backend for NVIDIA GPUs (bsd3, library)
accelerate-cufft library: Accelerate frontend to the CUFFT library (Fourier transform) (bsd3, library)
accelerate-examples library: Examples using the Accelerate library (bsd3)
accelerate-fft library: FFT using the Accelerate library (bsd3, library)
accelerate-fftw library: Accelerate frontend to the FFTW library (Fourier transform) (bsd3, library)
accelerate-fourier library: Fast Fourier transform and convolution using the Accelerate framework (bsd3, library)
accelerate-fourier-benchmark program: Compare different implementations of the Fast Fourier Transform (bsd3, program)
accelerate-io library: Read and write Accelerate arrays in various formats (bsd3, library)
accelerate-utility library: Utility functions for the Accelerate framework (bsd3, library)
accentuateus library: A Haskell implementation of the Accentuate.us API. (bsd3, library)
access-time library: Cross-platform support for retrieving file access times (bsd3, library)
ace library: Attempto Controlled English parser and printer (bsd3, library)
acid-state library: Add ACID guarantees to any serializable Haskell data structure. (library, public-domain)
acid-state-tls library: Add TLS support for Data.Acid.Remote (library, public-domain)
acl2 library: Writing and calling ACL2 from Haskell. (bsd3, library)
acme-cadre library: car, cdr and more (library, public-domain)
acme-cofunctor library: A Cofunctor is a structure from category theory dual to Functor (bsd3, library)
acme-colosson library: Determines whether it is numberwang. (bsd3, library)
acme-comonad library: A more efficient dualization (bsd3, library)
acme-cutegirl library and program: Maybe gives you a cute girl (gpl, library, program)
acme-dont library: A don't construct (bsd3, library)
acme-hq9plus library: An embedded DSL for the HQ9+ programming language (library, public-domain)
acme-http library and programs: fastest Haskell PONG server in the world (bsd3, library, program)
acme-inator library and program: Evil inventions in the Tri-State area (library, program, public-domain)
acme-io library: The only true way to do IO in Haskell! (library)
acme-lolcat library: LOLSPEAK translator (bsd3, library)
acme-lookofdisapproval library: Express your disapproval (bsd3, library)
acme-microwave library: The eighth wonder of the world, kitchen math! (bsd3, library)
acme-missiles library: Cause serious international side effects. (library, public-domain)
acme-now library: An interface to the philosophical and metaphysical "now" (library, public-domain)
acme-numbersystem library: Define the less than and add and subtract for nats (bsd3, library)
acme-omitted library: A name for omitted definitions (bsd3, library)
acme-php library: The flexibility of Haskell and the safety of PHP (bsd3, library)
acme-pointful-numbers library: Make more than one point in numeric literals (bsd3, library)
acme-realworld library: Primitives for manipulating the state of the universe (bsd3, library)
acme-schoenfinkel library: Proper names for curry and uncurry (bsd3, library)
acme-strfry library: A binding to the glibc strfry function. (bsd3, library)
acme-stringly-typed library: Stringly Typed Programming (bsd3, library)
acme-strtok library: A Haskell port of the C/PHP strtok function (library, public-domain)
acme-year library: Get the current year (library, public-domain)
action-permutations library: Execute a set of actions (e.g. parsers) in each possible order (bsd3, library)
active library: Abstractions for animation (bsd3, library)
activehs program: Haskell code presentation tool (bsd3, program)
activehs-base library: Basic definitions for activehs (bsd3, library)
activitystreams-aeson library: An interface to the ActivityStreams specification (bsd3, library)
actor library: Actors with multi-headed receive clauses (bsd3, library)
ad library: Automatic Differentiation (bsd3, library)
adaptive-containers library: Self optimizing container types (bsd3, library)
adaptive-tuple library: Self-optimizing tuple types (bsd3, library)
adb library: Android Debug Bridge (ADB) protocol (bsd3, library)
adblock2privoxy program: Convert adblock config files to privoxy format (gpl, program)
addLicenseInfo program: Adds license info to the top of a file. (bsd3, program)
adhoc-network library: Ad-hoc P2P network protocol (gpl, library)
adict library: Approximate dictionary searching (bsd3, library)
adjunctions library: Adjunctions and representable functors (bsd3, library)
adobe-swatch-exchange library and programs: parse Adobe Swatch Exchange files and (optionally) output .css files with the colors (bsd3, library, program)
adp-multi library: ADP for multiple context-free languages (bsd3, library)
adp-multi-monadiccp library: Subword construction in adp-multi using monadiccp (bsd3, library)
aeson library: Fast JSON parsing and encoding (bsd3, library)
aeson-bson library: Mapping between Aeson's JSON and Bson objects. (library)
aeson-lens library: Lens of Aeson (bsd3, library)
aeson-native library: Fast JSON parsing and encoding (deprecated) (bsd3, deprecated, library)
aeson-pretty library: JSON pretty-printing library and command-line tool. (bsd3, library)
aeson-qq library: JSON quasiquoter for Haskell (library, mit)
aeson-schema library: Haskell JSON schema validator and parser generator (library, mit)
aeson-serialize library: Simple serialization functions for aeson types (bsd3, library)
aeson-smart library: Smart derivation of Aeson instances (library, mit)
aeson-streams library: An HTTP client library for JSON-based APIs (bsd3, library)
aeson-t library: Transform JSON (library, mit)
aeson-toolkit library: A generalization of Aeson over Failure (library, mit)
aeson-utils library: Utilities for working with Aeson. (bsd3, library)
affine-invariant-ensemble-mcmc library: General-purpose sampling (bsd3, deprecated, library)
afis library: Anti-forensic Information Splitter (bsd3, library)
afv program: Infinite state model checking of iterative C programs. (bsd3, program)
agda-server program: Http server for Agda (prototype) (bsd3, program)
agum library and program: Unification and Matching in an Abelian Group (gpl, library, program)
aig library: And-inverter graphs in Haskell. (bsd3, library)
air library: air (bsd3, library)
air-extra library: air-extra (bsd3, library)
air-spec library: air spec helper (bsd3, library)
air-th library: air (bsd3, library)
airbrake library: An Airbrake notifier for Haskell (bsd3, library)
aivika library: A multi-paradigm simulation library (bsd3, library)
aivika-experiment library: Simulation experiments for the Aivika library (bsd3, library)
aivika-experiment-cairo library: Cairo backend for the Aivika simulation library (bsd3, library)
aivika-experiment-chart library: Simulation experiments with charting for the Aivika library (bsd3, library)
aivika-experiment-diagrams library: Diagrams backend for the Aivika simulation library (bsd3, library)
aivika-transformers library: Transformers for the Aivika simulation library (bsd3, library)
ajhc library and programs: Haskell compiler that produce binary through C language (gpl, library, program)
alarmclock library: Wake up and perform an action at a certain time. (bsd3, library)
alea program: a diceware passphrase generator (mit, program)
alex program: Alex is a tool for generating lexical analysers in Haskell (bsd3, program)
alex-meta library: Quasi-quoter for Alex lexers (bsd3, library)
alfred library: utility library for Alfred version 2 (bsd3, library)
algebra library: Constructive abstract algebra (bsd3, library)
algebra-dag library: Infrastructure for DAG-shaped relational algebra plans (bsd3, library)
algebra-sql library and programs: Relational Algebra and SQL Code Generation (bsd3, library, program)
algebraic library: General linear algebra structures. (bsd3, library)
algebraic-classes library: Conversions between algebraic classes and F-algebras. (bsd3, library)
align library: Sequence alignment algorithms. (bsd3, library)
align-text program: A simple unix filter to align text on specified substrings (mit, program)
aligned-foreignptr library: An aligned ForeignPtr type (library, public-domain)
allocated-processor library: Functional combinators for monadic actions that require allocation and de-allocation (bsd3, library)
alloy library: Generic programming library (bsd3, library)
alloy-proxy-fd library: Some add-on instances for the Alloy library (bsd3, library)
alms program: a practical affine language (bsd3, program)
alpha program: A compiler for the Alpha language (bsd3, program)
alpino-tools library and programs: Alpino data manipulation tools (library, program)
alsa library: Binding to the ALSA Library API. (bsd3, deprecated, library)
alsa-core library: Binding to the ALSA Library API (Exceptions). (bsd3, library)
alsa-gui programs: Some simple interactive programs for sending MIDI control messages via ALSA (bsd3, program)
alsa-midi library and programs: Bindings for the ALSA sequencer API (MIDI stuff) (deprecated, gpl, library, program)
alsa-mixer library: Bindings to the ALSA simple mixer API. (bsd3, library)
alsa-pcm library: Binding to the ALSA Library API (PCM audio). (bsd3, library)
alsa-pcm-tests programs: Tests for the ALSA audio signal library. (bsd3, deprecated, program)
alsa-seq library: Binding to the ALSA Library API (MIDI sequencer). (bsd3, library)
alsa-seq-tests programs: Tests for the ALSA sequencer library. (bsd3, deprecated, program)
altcomposition library: Alternative combinators for unorthodox function composition (bsd3, library)
alternative-io library: IO as Alternative instance (deprecated) (bsd3, deprecated, library)
altfloat library: Alternative floating point support for GHC. (library)
alure library: A Haskell binding for ALURE (lgpl, library)
amazon-emailer programs: A queue daemon for Amazon's SES with a PostgreSQL table as a queue. (bsd3, program)
amazon-emailer-client-snap library: Client library for amazon-emailer daemon (bsd3, library)
amazon-products library and program: Connector for Amazon Products API (library, mit, program)
amazonka library: Comprehensive Amazon Web Services SDK (library)
amazonka-autoscaling library: Amazon Auto Scaling SDK. (library)
amazonka-cloudformation library: Amazon CloudFormation SDK. (library)
amazonka-cloudfront library: Amazon CloudFront SDK. (library)
amazonka-cloudhsm library: Amazon CloudHSM SDK. (library)
amazonka-cloudsearch library: Amazon CloudSearch SDK. (library)
amazonka-cloudsearch-domains library: Amazon CloudSearch Domain SDK. (library)
amazonka-cloudtrail library: Amazon CloudTrail SDK. (library)
amazonka-cloudwatch library: Amazon CloudWatch SDK. (library)
amazonka-cloudwatch-logs library: Amazon CloudWatch Logs SDK. (library)
amazonka-codedeploy library: Amazon CodeDeploy SDK. (library)
amazonka-cognito-identity library: Amazon Cognito Identity SDK. (library)
amazonka-cognito-sync library: Amazon Cognito Sync SDK. (library)
amazonka-config library: Amazon Config SDK. (library)
amazonka-core library: Core functionality and data types for Amazonka libraries. (library)
amazonka-datapipeline library: Amazon Data Pipeline SDK. (library)
amazonka-directconnect library: Amazon Direct Connect SDK. (library)
amazonka-dynamodb library: Amazon DynamoDB SDK. (library)
amazonka-ec2 library: Amazon Elastic Compute Cloud SDK. (library)
amazonka-elasticache library: Amazon ElastiCache SDK. (library)
amazonka-elasticbeanstalk library: Amazon Elastic Beanstalk SDK. (library)
amazonka-elastictranscoder library: Amazon Elastic Transcoder SDK. (library)
amazonka-elb library: Amazon Elastic Load Balancing SDK. (library)
amazonka-emr library: Amazon Elastic MapReduce SDK. (library)
amazonka-iam library: Amazon Identity and Access Management SDK. (library)
amazonka-importexport library: Amazon Import/Export SDK. (library)
amazonka-kinesis library: Amazon Kinesis SDK. (library)
amazonka-kms library: Amazon Key Management Service SDK. (library)
amazonka-lambda library: Amazon Lambda SDK. (library)
amazonka-opsworks library: Amazon OpsWorks SDK. (library)
amazonka-rds library: Amazon Relational Database Service SDK. (library)
amazonka-redshift library: Amazon Redshift SDK. (library)
amazonka-route53 library: Amazon Route 53 SDK. (library)
amazonka-route53-domains library: Amazon Route 53 Domains SDK. (library)
amazonka-s3 library: Amazon Simple Storage Service SDK. (library)
amazonka-sdb library: Amazon SimpleDB SDK. (library)
amazonka-ses library: Amazon Simple Email Service SDK. (library)
amazonka-sns library: Amazon Simple Notification Service SDK. (library)
amazonka-sqs library: Amazon Simple Queue Service SDK. (library)
amazonka-storagegateway library: Amazon Storage Gateway SDK. (library)
amazonka-sts library: Amazon Security Token Service SDK. (library)
amazonka-support library: Amazon Support SDK. (library)
amazonka-swf library: Amazon Simple Workflow Service SDK. (library)
ampersand library: Toolsuite for automated design of business processes. (gpl)
amqp library and program: Client library for AMQP servers (currently only RabbitMQ) (bsd3, library, program)
amrun program: Interpreter for AM (gpl, program)
analyze-client library: Client for analyze service (bsd3, library)
anansi library and program: Simple literate programming preprocessor (gpl, library, program)
anansi-hscolour library: Colorized looms for Anansi (gpl, library)
anansi-pandoc library: Looms which use Pandoc to parse and produce a variety of formats. (gpl, library)
anatomy library and program: Anatomy: Atomo documentation system (bsd3, library, program)
angel program: Process management and supervision daemon (bsd3, program)
animalcase library: Convert camelCase to snake_case and vice versa (library, mit)
annotated-wl-pprint library: The Wadler/Leijen Pretty Printer, with annotation support (bsd3, library)
anonymous-sums library: Anonymous sum types (bsd3, library)
anonymous-sums-tests library: QuickCheck functions to accompany the anonymous-sums package (bsd3, library)
ansi-terminal library: Simple ANSI terminal support, with Windows compatibility (bsd3, library)
ansi-wl-pprint library: The Wadler/Leijen Pretty Printer for colored ANSI terminal output (bsd3, library)
antagonist library and program: A web interface to Antisplice dungeons. (agpl, library, program)
antfarm library and program: Referring expressions for definitions (bsd3, library, program)
anticiv library and program: This is an IRC bot for Mafia and Resistance. (agpl, library, program)
antigate library: Interface for antigate.com captcha recognition API (library, mit)
antimirov library and program: Define the language containment (=subtyping) relation on regulare expressions. (gpl, library, program)
antiquoter library: Combinator library for quasi- and anti-quoting. (bsd3, library)
antisplice library: An engine for text-based dungeons. (agpl, library)
antlrc library and program: Haskell binding to the ANTLR parser generator C runtime library. (bsd3, library, program)
anydbm library: Interface for DBM-like database systems (gpl, library)
aosd library: Bindings to libaosd, a library for Cairo-based on-screen displays (bsd3, library)
ap-reflect library: Partial evaluation reflection a la simple-reflect. (bsd3, library)
apache-md5 library: Apache specific MD5 digest algorighm. (bsd3, library)
apelsin program: Server and community browser for the game Tremulous (gpl, program)
api-builder library: Library for easily building REST API wrappers in Haskell (bsd3, library)
api-tools library and program: DSL for generating API boilerplate and docs (bsd3, library, program)
apiary library: Simple and type safe web framework that generate web API documentation. (library, mit)
apiary-authenticate library: authenticate support for apiary web framework. (library, mit)
apiary-clientsession library: clientsession support for apiary web framework. (library, mit)
apiary-cookie library: Cookie support for apiary web framework. (library, mit)
apiary-eventsource library: eventsource support for apiary web framework. (library, mit)
apiary-helics library: helics support for apiary web framework. (library, mit)
apiary-logger library: fast-logger support for apiary web framework. (library, mit)
apiary-memcached library: memcached client for apiary web framework. (library, mit)
apiary-mongoDB library: mongoDB support for apiary web framework. (library, mit)
apiary-persistent library: persistent support for apiary web framework. (library, mit)
apiary-purescript library: purescript compiler for apiary web framework. (library, mit)
apiary-session library: session support for apiary web framework. (library, mit)
apiary-websockets library: websockets support for apiary web framework. (library, mit)
apis library: A Template Haskell library for generating type safe API calls (bsd2, library)
apotiki library and program: a faster debian repository (library, mit, program)
app-settings library: A library to manage application settings (INI file-like) (bsd3, library)
appar library: A simple applicative parser (bsd3, library)
appc library and program: app container types and tools (library, mit, program)
applicative-extras library: Instances for Applicative (bsd3, library)
applicative-numbers library: Applicative-based numeric instances (bsd3, library)
applicative-quoters library: Quasiquoters for idiom brackets and an applicative do-notation (bsd3, library)
approx-rand-test library and programs: Approximate randomization test (library, program, randomization, statistics)
approximate library: Approximate discrete values and numbers (bsd3, library)
approximate-equality library: Newtype wrappers for approximate equality (bsd3, library)
ar-timestamp-wiper library and program: Wipes time stamps from .a files (like ar -D) (library, mit, program)
arb-fft library and program: Pure Haskell arbitrary length FFT library (bsd3, library, program)
arbb-vm library: FFI binding to the Intel Array Building Blocks (ArBB) virtual machine. (bsd3, library)
arbtt programs: Automatic Rule-Based Time Tracker (gpl, program)
archive library and program: A library and programs for creating hardlinked incremental archives or backups (bsd3, library, program)
archiver library and program: Archive supplied URLs in WebCite & Internet Archive (bsd3, library, program)
archlinux library: Support for working with Arch Linux packages. (bsd3, library)
archlinux-web library and programs: Website maintenance for Arch Linux packages (bsd3, library, program)
archnews program: Convert Arch Linux package updates in RSS to pretty markdown (bsd3, program)
arff library: Generate Attribute-Relation File Format (ARFF) files (bsd3, library)
argparser library: Command line parsing framework for console applications (bsd3, library)
arguedit program: A computer assisted argumentation transcription and editing software. (gpl, program)
ariadne program: Go-to-definition for Haskell (mit, program)
arith-encode library: A practical arithmetic encoding (aka Godel numbering) library. (bsd3, library)
arithmatic library: Basic arithmatic in haskell (gpl, library)
arithmoi library: Efficient basic number-theoretic functions. Primes, powers, integer logarithms. (library, mit)
armada program: Space-based real time strategy game (gpl, program)
array library: Mutable and immutable arrays (bsd3, library)
array-forth library and program: A simple interpreter for arrayForth, the language used on GreenArrays chips. (gpl, library, program)
array-memoize library: Memoization combinators using arrays for finite sub-domains of functions (bsd3, library)
array-utils library: Primitive functions for updating many elements in mutable arrays at once (bsd3, library)
arrow-improve library: Improved arrows. (library, mit)
arrow-list library: List arrows for Haskell. (bsd3, library)
arrowapply-utils library: Utilities for working with ArrowApply instances more naturally (bsd3, library)
arrowp program: preprocessor translating arrow notation into Haskell 98 (gpl, program)
arrows library: Arrow classes and transformers (bsd3, library)
artery library: A simple, arrow-based reactive programming (bsd3, library)
arx library: Archive execution tool. (bsd3, library)
arxiv library: A client for the Arxiv API (lgpl, library)
ascetic library: Generic markup builder. (library, mit)
ascii library: Type-safe, bytestring-based ASCII values. (deprecated) (bsd3, deprecated, library)
ascii-progress library and program: A simple progress bar for the console. (gpl, library, program)
ascii-vector-avc library and program: Process Ascii Vectors for Advantest 93k (gpl, library, program)
ascii85-conduit library: Conduit for encoding ByteString into Ascii85 (bsd3, library)
asic program: Action Script Instrumentation Compiler (lgpl, program)
asil library: Action Script Instrumentation Library (lgpl, library)
asn1-data library: ASN1 data reader and writer in RAW, BER and DER forms (bsd3, deprecated, library)
asn1-encoding library: ASN1 data reader and writer in RAW, BER and DER forms (bsd3, library)
asn1-parse library: Simple monadic parser for ASN1 stream types. (bsd3, library)
asn1-types library: ASN.1 types (bsd3, library)
asn1dump program: Dump ASN1 structure (bsd3, program)
assembler library and program: Haskell Assembler (bsd3, library, program)
assert library: Helpers for Control.Exception.assert (bsd3, library)
assert-failure library: Syntactic sugar improving 'assert' and 'error' (assert, bsd3, contract, debug, library)
assertions library: A simple testing framework. (library, mit)
assimp library: The Assimp asset import library (bsd3, library)
astar library: General A* search algorithm. (bsd3, library)
astrds program: an incomplete 2d space game (bsd3, program)
astview program: A GTK-based abstract syntax tree viewer for custom languages and parsers (bsd4, deprecated, program)
astview-utils library: Interfacing between hint and astview (bsd4, deprecated, library)
async library: Run IO operations asynchronously and wait for their results (bsd3, library)
async-extras library: Extra Utilities for the Async Library (bsd3, library)
async-manager library and program: A thread manager for async (bsd3, library, program)
async-pool library: A modified version of async that supports worker groups and many-to-many task dependencies (library, mit)
asynchronous-exceptions library: Distinguish between synchronous and asynchronous exceptions (deprecated, library, mit)
aterm library: serialisation for Haskell values with sharing support (gpl, library)
aterm-utils library and program: Utility functions for working with aterms as generated by Minitermite (bsd3, library, program)
atl library: Arrow Transformer Library (lgpl, library)
atlassian-connect-core library: Atlassian Connect snaplet for the Snap Framework and helper code. (apache, library)
atlassian-connect-descriptor library: Code that helps you create a valid Atlassian Connect Descriptor. (apache, library)
atmos library: 1976 US Standard Atmosphere (library, public-domain)
atmos-dimensional library: dimensional wrapper on atmos package (bsd3, library)
atmos-dimensional-tf library: dimensional-tf wrapper on atmos package (bsd3, library)
atom library: A DSL for embedded hard realtime applications. (bsd3, library)
atom-msp430 library: Convenience functions for using Atom with the MSP430 microcontroller family. (library, mit)
atomic-primops library: A safe approach to CAS and other atomic ops in Haskell. (bsd3, library)
atomic-primops-foreign library: An atomic counter implemented using the FFI. (bsd3, library)
atomo program: A highly dynamic, extremely simple, very fun programming language. (bsd3, program)
attempt library: Concrete data type for handling extensible exceptions as failures. (deprecated) (bsd3, deprecated, library)
atto-lisp library: Efficient parsing and serialisation of S-Expressions. (bsd3, library)
attoparsec library: Fast combinator parsing for bytestrings and text (bsd3, library)
attoparsec-arff library: An ARFF file parser using Attoparsec (gpl, library)
attoparsec-binary library: Binary processing extensions to Attoparsec. (bsd3, library)
attoparsec-conduit library: Consume attoparsec parsers via conduit. (deprecated) (deprecated, library, mit)
attoparsec-csv library: A parser for CSV files that uses Attoparsec (library)
attoparsec-enumerator library: Pass input from an enumerator to an Attoparsec parser. (deprecated, library, mit)
attoparsec-expr library: Port of parsec's expression parser to attoparsec. (bsd3, library)
attoparsec-iteratee library: An adapter to convert attoparsec Parsers into blazing-fast Iteratees (bsd3, library)
attoparsec-parsec library: An Attoparsec compatibility layer for Parsec (library, mit)
attoparsec-text library: (deprecated) (bsd3, deprecated, library)
attoparsec-text-enumerator library: (deprecated) (library, mit)
attosplit library: Split a lazy bytestring at boundaries defined by an attoparsec parser (bsd3, library)
atuin program: Embedded Turtle language compiler in Haskell, with Epic output (bsd3, program)
augeas library and program: A Haskell FFI wrapper for the Augeas API (lgpl, library, program)
augur program: Renaming media collections in a breeze. (bsd3, program)
aur library: Access metadata from the Arch Linux User Repository. (gpl, library)
authenticate library: Authentication methods for Haskell web applications. (bsd3, library)
authenticate-kerberos library: Authentication methods for Haskell web applications. (bsd3, library)
authenticate-ldap library: LDAP authentication for Haskell web applications. (bsd3, library)
authenticate-oauth library: Library to authenticate with OAuth for Haskell web applications. (bsd3, library)
authinfo-hs library: Password querying for .authinfo (library, mit)
authoring library: A library for writing papers (bsd3, library)
auto-update library: Efficiently run periodic, on-demand actions (library, mit)
autonix-deps library: Library for Nix expression dependency generation (bsd3, library)
autonix-deps-kf5 library and program: Generate dependencies for KDE 5 Nix expressions (bsd3, library, program)
autoproc library and program: EDSL for Procmail scripts (bsd3, library, program)
avahi library: Minimal DBus bindings for Avahi daemon (http://avahi.org) (bsd3, library)
average library: An average (arithmetic mean) monoid. (bsd3, library)
avl-static library: A compile-time balanced AVL tree. (bsd3, library)
avr-shake library: AVR Crosspack actions for shake build systems. (library, public-domain)
awesomium library: High-level Awesomium bindings. (lgpl, library)
awesomium-glut library: Utilities for using Awesomium with GLUT. (lgpl, library)
awesomium-raw library: Low-level Awesomium bindings. (lgpl, library)
aws library: Amazon Web Services (AWS) for Haskell (bsd3, library)
aws-cloudfront-signer library: For signing AWS CloudFront HTTP URL requests (bsd3, library)
aws-dynamodb-streams library: Haskell bindings for Amazon DynamoDB Streams (apache, library)
aws-ec2 library and programs: AWS EC2/VPC, ELB and CloudWatch client library for Haskell (bsd3, library, program)
aws-elastic-transcoder library: Haskell suite for the Elastic Transcoder service (bsd3, library)
aws-general library: Bindings for Amazon Web Services (AWS) General Reference (library, mit)
aws-kinesis library: Bindings for Amazon Kinesis (apache, library)
aws-kinesis-client library and program: A producer & consumer client library for AWS Kinesis (apache, library, program)
aws-kinesis-reshard library and program: Reshard AWS Kinesis streams in response to Cloud Watch metrics (apache, library, program)
aws-lambda library: Haskell bindings for AWS Lambda (apache, library)
aws-performance-tests library and program: Performance Tests for the Haskell bindings for Amazon Web Services (AWS) (library, mit, program)
aws-route53 library: Amazon Route53 DNS service plugin for the aws package. (bsd3, library)
aws-sdk library: AWS SDK for Haskell (bsd3, library)
aws-sdk-text-converter library: The text converter for aws-sdk. (bsd3, library)
aws-sdk-xml-unordered library: The xml parser for aws-sdk package (bsd3, library)
aws-sign4 library: Amazon Web Services (AWS) Signature v4 HTTP request signer (bsd3, library)
aws-sns library: Bindings for AWS SNS Version 2013-03-31 (library, mit)
azure-acs library: Windows Azure ACS (bsd3, library)
azure-service-api library: Haskell bindings for the Microsoft Azure Service Management API (bsd3, library)
azure-servicebus library: Haskell wrapper over Microsoft Azure ServiceBus REST API (bsd3, library)
azurify library: A simple library for accessing Azure blob storage (bsd3, library)
b-tree library: Immutable disk-based B* trees (bsd3, library)
babylon program: An implementation of a simple 2-player board game (gpl, program)
backdropper library and program: Rotates backdrops for X11 displays using Imagemagic. (gpl, library, program)
backtracking-exceptions library: A monad transformer for backtracking exceptions (bsd3, library)
backward-state library: A state monad that runs the state in reverse through the computation (bsd3, library)
bacteria program: braindead utility to compose Xinerama backgrounds (program)
bag library: A simple stable bag. (deprecated, library, mit)
bake library and program: Continuous integration system (bsd3, library, program)
bamboo library: A blog engine on Hack (gpl, library)
bamboo-launcher program: bamboo-launcher (gpl, program)
bamboo-plugin-highlight library: A highlight middleware (gpl, library)
bamboo-plugin-photo library: A photo album middleware (bsd3, library)
bamboo-theme-blueprint library: bamboo blueprint theme (bsd3, library)
bamboo-theme-mini-html5 library: bamboo mini html5 theme (gpl, library)
bamse library: A Windows Installer (MSI) generator framework (bsd3, library)
bamstats library and program: A program to extract various information from BAM alignmnet files. (gpl, library, program)
bank-holidays-england library: Calculation of bank holidays in England and Wales (bsd3, library)
barchart library and program: Creating Bar Charts in Haskell (bsd3, library, program)
barcodes-code128 library: Generate Code 128 barcodes as PDFs (library, mit)
barecheck library: QuickCheck implementations for common types (bsd3, library)
barley program: A web based environment for learning and tinkering with Haskell (program)
barrie library: Declarative Gtk GUI library (gpl, library)
barrier-monad library: Implementation of barrier monad, can use custom front/back type (library, public-domain)
base library: Basic libraries (bsd3, library)
base-compat library: A compatibility layer for base (library, mit)
base-io-access library: The IO functions included in base delimited into small, composable classes (gpl, library)
base-prelude library: The most complete prelude formed from only the "base" package (library, mit)
base-unicode-symbols library: Unicode alternatives for common functions and operators (bsd3, library)
base16-bytestring library: Fast base16 (hex) encoding and decoding for ByteStrings (bsd3, library)
base32-bytestring library: Fast base32 and base32hex codec for ByteStrings (bsd3, library)
base58-bytestring library: Implementation of BASE58 transcoding for ByteStrings (library, public-domain)
base58address library: Parsing and serialization for Base58 addresses (Bitcoin and Ripple) (library)
base64-bytestring library: Fast base64 encoding and decoding for ByteStrings (bsd3, library)
base64-conduit library: Base64-encode and decode streams of bytes. (deprecated) (bsd3, deprecated, library)
base64-string library: Base64 implementation for String's. (library)
bash library: Bash generation library. (bsd3, library)
basic-prelude library: An enhanced core prelude; a common foundation for alternate preludes. (library, mit)
basic-sop library: Basic examples and functions for generics-sop (bsd3, library)
baskell program: An interpreter for a small functional language (gpl, program)
battlenet library: API client for Battle.Net (library, mit)
battlenet-yesod library: Yesod integration for the battlenet package (library, mit)
battleships library: A web-based implementation of battleships including an AI opponent. (battleship, bsd3, game, library, yesod)
bayes-stack library: Framework for inferring generative probabilistic models with Gibbs sampling (bsd3, library)
bbdb library: Ability to read, write, and examine BBDB files (gpl, library)
bcrypt library: Haskell bindings to the bcrypt password hash (bsd3, library)
bdd library: Behavior-Driven Development DSL (library, mit)
bdelta library: Simple, fast binary diff/patch (deprecated, library, mit)
bdo library and program: Update CSS in the browser without reloading the page. (bsd3, library, program)
beamable library: Generic serializer/deserializer with compact representation (bsd3, library)
beautifHOL program: A pretty-printer for higher-order logic (gpl, program)
bed-and-breakfast library: Efficient Matrix operations in 100% Haskell. (library, linear-algebra, math, mit)
bein programs: Bein is a provenance and workflow management system for bioinformatics. (gpl, program)
benchmark-function library: Test the time it takes to run a haskell function (gpl, library)
benchpress library: Micro-benchmarking with detailed statistics. (bsd3, library)
bencode library: Parser and printer for bencoded data. (bsd3, library)
bencoding library: A library for encoding and decoding of BEncode data. (bsd3, library)
berkeleydb library: Pretty BerkeleyDB v4 binding. (bsd3, library)
berp library and program: An implementation of Python 3. (bsd3, library, program)
bert library: BERT implementation (bsd3, library)
besout library: Extended GCD of polynomials over F_p[x] (bsd3, library)
bet library: Betfair API bindings. Bet on sports on betting exchanges. (library, mit)
betacode library: A codec for beta code (http://en.wikipedia.org/wiki/Beta_Code). (apache, library)
between library: Function combinator "between" and derived combinators (bsd3, library)
bf-cata library: (lgpl, library)
bff library: Bidirectionalization for Free! (POPL'09) (library, public-domain)
bff-mono library: "Bidirectionalization for Free" for Monomorphic Transformations (bsd3, library)
bgmax library: Parse BgMax-files (bsd3, library)
bibtex library: Parse, format and processing BibTeX files (bsd3, library)
bidirectionalization-combined programs: Prototype Implementation of Combining Syntactic and Semantic Bidirectionalization (ICFP'10) (program, public-domain)
bidispec library: Specification of generators and parsers (lgpl, library)
bidispec-extras library: Extra helper functions for bidirectional specifications (lgpl, library)
bifunctors library: Bifunctors (bsd3, library)
billboard-parser library and program: A parser for the Billboard chord dataset (lgpl, library, program)
billeksah-forms library: Leksah library (lgpl, library)
billeksah-main program: Leksah plugin base (lgpl, program)
billeksah-main-static program: Leksah plugin base (lgpl, program)
billeksah-pane library: Leksah library (lgpl, library)
billeksah-services library: Leksah library (lgpl, library)
bimap library: Bidirectional mapping between two key types (bsd3, library)
binary library: Binary serialisation for Haskell values using lazy ByteStrings (bsd3, library)
binary-bits library: Bit parsing/writing on top of binary. (bsd3, library)
binary-communicator library: Flexible way to ease transmission of binary data. (bsd3, library)
binary-conduit library: data serialization/deserialization conduit library (library, mit)
binary-derive library: Automatic deriving of Binary using GHC.Generics (gpl, library)
binary-file library: read/write binary file (bsd3, library)
binary-generic library: Generic binary serialisation using binary and syb. (bsd3, library)
binary-indexed-tree library: Binary Indexed Trees (a.k.a. Fenwick Trees). (lgpl, library)
binary-list library: Lists of length a power of two. (bsd3, library)
binary-literal-qq library: Extends Haskell with binary literals. (bsd3, library)
binary-protocol library: Monad to ease implementing a binary network protocol. (bsd3, library)
binary-protocol-zmq library: Monad to ease implementing a binary network protocol over ZeroMQ (bsd3, library)
binary-search library: Binary and exponential searches (bsd3, library)
binary-shared library: Sharing for the binary package (gpl, library)
binary-state library: Simple wrapper around Data.Binary, which adds StateT to Get/Put monads. (bsd3, library)
binary-store library: Format to store data using the binary transform. (bsd3, deprecated, library)
binary-streams library: data serialization/deserialization io-streams library (bsd3, library)
binary-strict library: Binary deserialisation using strict ByteStrings (bsd3, library)
binary-typed library: Type-safe binary serialization (bsd2, library)
binarydefer library: Binary serialization with deferred loading (bsd3, library)
bind-marshal library: Data marshaling library that uses type level equations to optimize buffering. (bsd3, library)
binding-core library: Data Binding (bsd3, library)
binding-gtk library: Data Binding in Gtk2Hs (bsd3, library)
binding-wx library: Data Binding in WxHaskell (bsd3, library)
bindings library: Deprecated package. (bsd3, deprecated, library)
bindings-DSL library: FFI domain specific language, on top of hsc2hs. (bsd3, library)
bindings-EsounD library: Low level bindings to EsounD (ESD; Enlightened Sound Daemon) (library, public-domain)
bindings-GLFW library: Low-level bindings to GLFW OpenGL library (bsd3, library)
bindings-K8055 library: Bindings to Velleman K8055 dll (bsd3, library)
bindings-apr library: Low level bindings to Apache Portable Runtime (APR) (library, public-domain)
bindings-apr-util library: Low level bindings to Apache Portable Runtime Utility (APR Utility) (library, public-domain)
bindings-audiofile library: Low level bindings to audiofile (library, public-domain)
bindings-bfd library: Bindings for libbfd, a library of the GNU `binutils' (lgpl, library)
bindings-cctools library: Bindings to the CCTools WorkQueue C library (gpl, library)
bindings-codec2 library and program: Very low-level FFI bindings for Codec2 (gpl, library, program)
bindings-common library: This package is obsolete. Look for bindings-DSL instead. (bsd3, deprecated, library)
bindings-dc1394 library: Library for using firewire (iidc-1394) cameras (bsd3, library)
bindings-directfb library: Low level bindings to DirectFB (bsd3, library)
bindings-eskit library: Bindings to ESKit. (bsd3, library)
bindings-fann library: Low level bindings to FANN neural network library. (bsd3, library)
bindings-friso library: Low level bindings for friso (apache, library)
bindings-glib library: Low level bindings to GLib. (bsd3, library)
bindings-gobject library: Low level bindings supporting GObject and derived libraries. (bsd3, library)
bindings-gpgme library: Project bindings-* raw interface to gpgme (bsd3, library)
bindings-gsl library: Low level bindings to GNU GSL. (bsd3, library)
bindings-gts library: Low level bindings supporting GTS, the GNU Triangulated Surface Library (lgpl, library)
bindings-hamlib library and program: Hamlib bindings for Haskell (lgpl, library, program)
bindings-hdf5 library: Project bindings-* raw interface to HDF5 library (bsd3, library)
bindings-levmar library: Low level bindings to the C levmar (Levenberg-Marquardt) library (library)
bindings-libcddb library: Low level binding to libcddb. (bsd3, library)
bindings-libffi library: Low level bindings to libffi. (bsd3, library)
bindings-libftdi library: Low level bindings to libftdi. (gpl, library)
bindings-librrd library: Low level bindings to RRDtool (library, public-domain)
bindings-libstemmer library: Binding for libstemmer with low level binding. (library, mit)
bindings-libusb library: Low level bindings to libusb. (bsd3, library)
bindings-libv4l2 library: bindings to libv4l2 for Linux (bsd3, library)
bindings-libzip library: Low level bindings to libzip. (bsd3, library)
bindings-linux-videodev2 library: bindings to Video For Linux Two (v4l2) kernel interfaces (bsd3, library)
bindings-lxc library: Direct Haskell bindings to LXC (Linux containers) C API. (bsd3, library)
bindings-mmap library: (deprecated) see bindings-posix instead (bsd3, library)
bindings-mpdecimal library: bindings to mpdecimal library (bsd3, deprecated, library)
bindings-nettle library: bindings to nettle crypto library (gpl, library)
bindings-parport library: parport bindings (bsd3, library)
bindings-portaudio library: Low-level bindings to portaudio library (bsd3, library)
bindings-posix library: Low level bindings to posix. (bsd3, library)
bindings-ppdev library: PPDev bindings (bsd3, library)
bindings-saga-cmd library and programs: Wrapping saga_cmd (gpl, library, program)
bindings-sane library: FFI bindings to libsane (lgpl, library)
bindings-sc3 library: Low-level bindings to the SuperCollider synthesis engine library. (gpl, library)
bindings-sipc library and programs: Low level bindings to SIPC. (lgpl, library, program)
bindings-sophia library: Low-level bindings to sophia library (bsd3, library)
bindings-sqlite3 library: Low level bindings to sqlite3. (bsd3, library)
bindings-svm library: Low level bindings to libsvm. (bsd3, library)
bindings-uname library: Low-level binding to POSIX uname(3) (library, public-domain)
bindings-yices library: Bindings to the Yices theorem prover (library, public-domain)
binembed library and program: Embed data into object files. (bsd3, library, program)
binembed-example program: Example project using binembed to embed data in object files. (bsd3, program)
bio library: A bioinformatics library (lgpl, library)
bioace library: Library for reading ace assembly files (gpl, library)
bioalign library: Data structures and helper functions for calculating alignments (gpl, library)
biocore library: A bioinformatics library (lgpl, library)
biofasta library: Library for reading fasta sequence files (gpl, library)
biofastq library: A library for reading FASTQ files (lgpl, library)
biophd library: Library for reading phd sequence files (gpl, library)
biopsl library and programs: Library and executables for working with PSL files (lgpl, library, program)
biosff library: Library and executables for working with SFF files (lgpl, library)
biostockholm library: Parsing and rendering of Stockholm files (used by Pfam, Rfam and Infernal). (bsd3, library)
bird library and program: A simple, sinatra-inspired web framework. (bsd3, library, program)
bit-array library: A bit array (aka bitset, bitmap, bit vector) API for numeric types (library, mit)
bit-vector library: Simple bit vectors for Haskell (bsd3, library)
bitarray library: Mutable and immutable bit arrays (bsd3, library)
bitcoin-rpc library: Library to communicate with the Satoshi Bitcoin daemon (bsd3, library)
bitly-cli program: A command line tool to access bit.ly URL shortener. (bsd3, deprecated, program)
bitmap library: A library for handling and manipulating bitmaps (rectangular pixel arrays). (bsd3, library)
bitmap-opengl library: OpenGL support for Data.Bitmap. (bsd3, library)
bitmaps library: Bitmap library (bsd3, library)
bits library: Various bit twiddling and bitwise serialization primitives (bsd3, library)
bits-atomic library: Atomic bit operations on memory locations for low-level synchronization (bsd3, library)
bits-conduit library: Bitstream support for Conduit (bsd3, library)
bits-extras library: Efficient high-level bit operations not found in Data.Bits (bsd3, library)
bitset library: A space-efficient set data structure. (library, mit)
bitspeak program: Proof-of-concept tool for writing using binary choices. (gpl, program)
bitstream library: Fast, packed, strict and lazy bit streams with stream fusion (library, public-domain)
bitstring library: Lazy bit strings (bsd3, library)
bittorrent library: Bittorrent protocol implementation. (bittorrent, bsd3, library)
bitvec library: Unboxed vectors of bits / dense IntSets (library, public-domain)
bitwise library: fast multi-dimensional unboxed bit packed Bool arrays (bsd3, library)
bk-tree library: BK-tree implementation (library, public-domain)
bkr library and program: Backup utility for backing up to cloud storage services (S3 only right now) (bsd3, library, program)
bktrees library: A set data structure with approximate searching (bsd3, library)
bla program: a stupid cron (bsd3, deprecated, program)
black-jewel program: The pirate bay client. (gpl, program)
blacktip library: Decentralized, k-ordered unique ID generator. (apache, library)
blakesum library: The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, library)
blakesum-demo program: The BLAKE SHA-3 candidate hashes, in Haskell (bsd3, program)
blank-canvas library: HTML5 Canvas Graphics Library (bsd3, library)
blas library: Bindings to the BLAS library (blas, bsd3, deprecated, library, matrix, solver)
blas-hs library: Low-level Haskell bindings to Blas. (library, mit)
blastxml library: Library for reading Blast XML output (lgpl, library)
blaze library: None (bsd3, deprecated, library)
blaze-bootstrap library: Blaze helper functions for bootstrap pages (library, mit)
blaze-builder library: Efficient buffered output. (bsd3, library)
blaze-builder-conduit library: Convert streams of builders to streams of bytestrings. (deprecated) (bsd3, deprecated, library)
blaze-builder-enumerator library: Enumeratees for the incremental conversion of builders to bytestrings. (bsd3, library)
blaze-from-html program: Tool to convert HTML to BlazeHtml code. (bsd3, program)
blaze-html library: A blazingly fast HTML combinator library for Haskell (bsd3, library)
blaze-html-contrib library: Some contributions to add handy things to blaze html. (bsd3, library)
blaze-html-hexpat library: A hexpat backend for blaze-html. (bsd3, library)
blaze-html-truncate library: A truncator for blaze-html (bsd3, library)
blaze-markup library: A blazingly fast markup combinator library for Haskell (bsd3, library)
blaze-svg library: SVG combinator library (bsd3, library)
blaze-textual library: Fast rendering of common datatypes (bsd3, library)
blaze-textual-native library: Fast rendering of common datatypes (deprecated) (bsd3, deprecated, library)
blazeMarker library: ... (library, mit)
blink1 library and program: Control library for blink(1) LED from ThingM (bsd3, library, program)
blip program: Python to bytecode compiler. (bsd3, program)
bliplib library: Support code for Blip. (bsd3, library)
blocking-transactions library: Composable, blocking transactions. (bsd3, library)
blogination library and program: Very simple static blog software (bsd3, deprecated, library, program)
bloodhound library: ElasticSearch client library for Haskell (bsd3, library)
bloomfilter library: Pure and impure Bloom Filter implementations. (bsd3, library)
bloxorz program: OpenGL Logic Game (gpl, program)
bluetile programs: full-featured tiling for the GNOME desktop environment (bsd3, program)
bluetileutils program: Utilities for Bluetile (bsd3, deprecated, program)
bmp library: Read and write uncompressed BMP image files. (library, mit)
board-games library: Three games for inclusion in a web server (gpl, library)
bogre-banana library and program: (bsd3, library, program)
bool-extras library: A fold function for Bool (bsd3, library)
boolean-list library: convert numbers to binary coded lists (gpl, library)
boolean-normal-forms library: Boolean normal form: NNF, DNF & CNF (library, mit)
boolexpr library: Boolean expressions with various representations and search queries. (bsd3, library)
bools library: None (bsd3, deprecated, library)
boolsimplifier library: Simplification tools for simple propositional formulas. (bsd3, library)
boomange program: A Bookmarks manager with a HTML generator (gpl, program)
boomerang library: Library for invertible parsing and printing (bsd3, library)
boomslang program: Boomshine clone (program, public-domain)
bot library: bots for functional reactive programming (bsd3, library)
botpp library and program: Build tool for Lambdabot (gpl, library, program)
bound library: Making de Bruijn Succ Less (bsd3, library)
bounded-tchan library: Bounded Transactional channels (queues) (bsd3, deprecated, library)
boundingboxes library: A generic boundingbox for an arbitrary vector (bsd3, library)
boxes library: 2D text pretty-printing library (bsd3, library)
bpann library: backpropagation neuronal network (bsd3, library)
brainfuck library and program: Brainfuck interpreter (gpl, library, program)
brainfuck-monad library: BrainFuck monad (bsd3, library)
brainfuck-tut library and program: A simple BF interpreter. (bsd3, library, program)
breakout program: A simple Breakout game implementation. (gpl, program)
brians-brain program: A Haskell implementation of the Brian's Brain cellular automaton (bsd3, program)
brillig library and program: Simple part of speech tagger (bsd3, library, program)
broadcast-chan library: Broadcast channel type that avoids 0 reader space leaks. (bsd3, library)
bsd-sysctl library: Access to the BSD sysctl(3) interface (bsd3, library)
bson library: BSON documents are JSON-like objects with a standard binary encoding. (library)
bson-generic library: Generic functionality for BSON (bsd3, library)
bson-generics library: Generics functionality for BSON (bsd3, deprecated, library)
bson-mapping library: Mapping between BSON and algebraic data types. (library)
bspack library: A simple and fast bytestring packer (bsd3, library)
bsparse library: A simple unassuming parser for bytestring (bsd3, library)
btree-concurrent library: A backend agnostic, concurrent BTree (lgpl, library)
btrfs library: Bindings to the btrfs API (bsd3, library)
bugzilla library: A Haskell interface to the Bugzilla native REST API (bsd3, library)
buildable library: Typeclass for builders of linear data structures (library, mit)
buildbox library: Rehackable components for writing buildbots and test harnesses. (bsd3, library)
buildbox-tools program: Tools for working with buildbox benchmark result files. (bsd3, program)
buildwrapper library and program: A library and an executable that provide an easy API for a Haskell IDE (bsd3, library, program)
bullet library: A wrapper for the Bullet physics engine. (bsd3, library)
bumper program: Automatically bump package versions, also transitively. (bsd3, program)
burst-detection library: Burst detection algorithms (gpl, library)
bus-pirate library: Haskell interface to the Bus Pirate binary interface (bsd3, library)
buster library: Almost but not quite entirely unlike FRP (bsd3, library)
buster-gtk library: Almost but not quite entirely unlike FRP (bsd3, library)
buster-network library: Almost but not quite entirely unlike FRP (bsd3, library)
bustle program: Draw pretty sequence diagrams of D-Bus traffic (program)
bv library: Bit-vector arithmetic library (bsd3, library)
bytable library: data from/to ByteString (bsd3, library)
byteable library: Type class for sequence of bytes (bsd3, library)
bytedump library: Flexible byte dump helpers for human readers. (bsd3, library)
byteorder library: Exposes the native endianness or byte ordering of the system. (bsd3, library)
bytes library: Sharing code for serialization between binary and cereal (bsd3, library)
bytestring library: Fast, compact, strict and lazy byte strings with a list interface (bsd3, library)
bytestring-arbitrary library: Arbitrary instances for ByteStrings (bsd3, library)
bytestring-builder library: The new bytestring builder, packaged outside of GHC (bsd3, library)
bytestring-class library: Classes for automatic conversion to and from strict and lazy bytestrings. (deprecated) (bsd3, deprecated, library)
bytestring-conversion library: Type-classes to convert values to and from ByteString. (library)
bytestring-csv library: Parse CSV formatted data efficiently (bsd3, library)
bytestring-delta library: Simple, fast binary diff/patch (library, mit)
bytestring-from library: A type-class to convert values from ByteString. (deprecated, library)
bytestring-handle library: ByteString-backed Handles (bsd3, library)
bytestring-lexing library: Parse and produce literals efficiently from strict or lazy bytestrings. (bsd3, library)
bytestring-mmap library: mmap support for strict ByteStrings (bsd3, library)
bytestring-nums library: Parse numeric literals from ByteStrings. (bsd3, library)
bytestring-plain library: Plain byte strings ('ForeignPtr'-less 'ByteString's) (bsd3, library)
bytestring-progress library: A library for tracking the consumption of a lazy ByteString (bsd3, library)
bytestring-rematch library: Rematch support for ByteString (library, mit)
bytestring-show library: Efficient conversion of values into readable byte strings. (bsd3, library)
bytestring-trie library: An efficient finite map from (byte)strings to values. (bsd3, library)
bytestringparser library: Combinator parsing with Data.ByteString.Lazy (bsd3, library)
bytestringparser-temporary library: Combinator parsing with Data.ByteString.Lazy (bsd3, library)
bytestringreadp library: A ReadP style parser library for ByteString (bsd3, library)
bzlib library: Compression and decompression in the bzip2 format (bsd3, library)
bzlib-conduit library: Streaming compression/decompression via conduits. (bsd3, library)
c-dsl library: A higher level DSL on top of language-c (library, mit)
c-io library: C IO. (bsd3, library)
c-storable-deriving library: Generate C-like storable instances from datatypes (bsd3, library)
c0check program: Simple C0 Syntax Check (gpl, program)
c0parser library: Simple C0 Parser (gpl, library)
c10k library: C10k server library using prefork (bsd3, library)
c2hs program: C->Haskell FFI tool that gives some cross-language type safety (gpl, program)
c2hsc program: Convert C API header files to .hsc and .hsc.helper.c files (bsd3, program)
cab library and program: A maintenance command of Haskell cabal packages (bsd3, library, program)
cabal-audit program: Check how up-to-date your .cabal dependencies are. (mit, program)
cabal-bounds library and program: A command line program for managing the bounds/versions of the dependencies in a cabal file. (bsd3, library, program)
cabal-cargs library and program: A command line program for extracting compiler arguments from a cabal file. (bsd3, library, program)
cabal-constraints program: Repeatable builds for cabalized Haskell projects. (mit, program)
cabal-db program: query tools for the local cabal database (bsd3, program)
cabal-debian library and programs: Create a Debianization for a Cabal package (bsd3, library, program)
cabal-dependency-licenses program: Compose a list of a project's transitive dependencies with their licenses (bsd3, program)
cabal-dev programs: Manage sandboxed Haskell build environments (bsd3, deprecated, program)
cabal-dir program: show dist dir of 'cabal copy/install' (bsd3, program)
cabal-file-th library: Template Haskell expressions for reading fields from a project's cabal file. (bsd3, library)
cabal-ghci library and program: Set up ghci with options taken from a .cabal file (bsd3, deprecated, library, program)
cabal-graphdeps program: Generate graphs of install-time Cabal dependencies (mit, program)
cabal-install program: The command-line interface for Cabal and Hackage. (bsd3, program)
cabal-install-bundle program: The (bundled) command-line interface for Cabal and Hackage. (bsd3, program)
cabal-install-ghc72 program: Temporary version of cabal-install for ghc-7.2 (bsd3, program)
cabal-install-ghc74 program: Temporary version of cabal-install for ghc-7.4 (bsd3, program)
cabal-lenses library: Lenses and traversals for the Cabal library. (bsd3, library)
cabal-macosx library and program: Cabal support for creating Mac OSX application bundles. (bsd3, library, program)
cabal-meta library and program: build multiple packages at once (bsd3, library, program)
cabal-nirvana program: Avoid Cabal dependency hell by constraining to known good versions. (deprecated) (bsd3, deprecated, program)
cabal-progdeps program: Show dependencies of program being built in current directory (bsd3, program)
cabal-query library: Helpers for quering .cabal files or hackageDB's 00-index.tar (bsd3, library)
cabal-rpm program: RPM packaging tool for Haskell Cabal-based packages (gpl, program)
cabal-scripts library: Shell scripts for support of Cabal maintenance (bsd3, library)
cabal-setup program: The user interface for building and installing Cabal packages (bsd3, program)
cabal-sign program: Sign and verify Cabal packages. (bsd3, program)
cabal-sort programs: Topologically sort cabal packages (bsd3, program)
cabal-src programs: Alternative install procedure to avoid the diamond dependency issue. (bsd3, program)
cabal-test program: Automated test tool for cabal projects. (bsd3, program)
cabal-test-bin program: A program for finding temporary build file during cabal-test. (bsd3, program)
cabal-test-compat library: Compatibility interface of cabal test-suite. (bsd3, library)
cabal-test-quickcheck library: QuickCheck for Cabal (library, mit)
cabal-uninstall program: Uninstall cabal packages (bsd3, program)
cabal-upload program: Command-line tool for uploading packages to Hackage (bsd3, program)
cabal2arch program: Create Arch Linux packages from Cabal packages. (bsd3, program)
cabal2doap program: Cabal to Description-of-a-Project (DOAP) (bsd3, program)
cabal2ebuild library and programs: make gentoo's .ebuild file from .cabal file (bsd3, library, program)
cabal2ghci program: A tool to generate .ghci file from .cabal (bsd3, program)
cabal2nix programs: Convert Cabal files into Nix build instructions (bsd3, program)
cabal2spec program: Generates RPM Spec files from cabal files (gpl, program)
cabalg library and program: alias for cabal install from given git repo (library, mit, program)
cabalgraph program: Generate pretty graphs of module trees from cabal files (bsd3, program)
cabalmdvrpm library and program: Create mandriva rpm from cabal package (gpl, library, program)
cabalrpmdeps library and programs: Autogenerate rpm dependencies from cabal files (gpl, library, program)
cabalvchk program: Verify installed package version against user-specified constraints. (bsd3, program)
cabin program: Cabal binary sandboxes. (bsd3, program)
cached-traversable library: Transparent, persistent caching of lazy, traversable structures (bsd3, library)
caf library: A library of Concurrency Abstractions using Futures. (bsd3, library)
cairo library: Binding to the Cairo library. (bsd3, library)
cairo-appbase program: A template for building new GUI applications using GTK and Cairo. (bsd3, program)
cake library and program: A build-system library and driver (gpl, library, program)
cake3 library and programs: Third cake the Makefile EDSL (bsd3, library, program)
cakyrespa program: run turtle like LOGO with lojban (bsd3, program)
cal3d library: Haskell binding to the Cal3D animation library. (lgpl, library)
cal3d-examples programs: Examples for the Cal3d animation library. (gpl, program)
cal3d-opengl library: OpenGL rendering for the Cal3D animation library (lgpl, library)
calc program: A small compiler for arithmetic expressions. (bsd3, program)
calculator program: A calculator that operates on string inputs (gpl, program)
caldims library and program: Calculation tool and library supporting units (gpl, library, program)
caledon program: a logic programming language based on the calculus of constructions (gpl, program)
call library: The call game engine (bsd3, library)
camh program: Image converter to 256-colored text. (bsd3, program)
campfire library: Haskell implementation of the Campfire API (bsd3, library)
canonical-filepath library: Abstract data type for canonical file paths. (bsd3, library)
cantor program: Application for analysis of java source code (bsd3, program)
cao program: CAO Compiler (gpl, program)
cap program: Interprets and debug the cap language. (bsd3, program)
capped-list library: A list-like type for lazy sequences, with a user-defined termination value. (bsd3, deprecated, library)
capri program: A simple wrapper over cabal-install to operate in project-private mode. (bsd3, program)
caramia library: High-level OpenGL bindings (library, mit)
carboncopy program: Drop emails from threads being watched into special CC folder. (bsd3, program)
carettah programs: A presentation tool written with Haskell. (gpl, program)
carray library: A C-compatible array library. (bsd3, library)
cartel library: Specify Cabal files in Haskell (bsd3, library)
casadi-bindings library: mid-level bindings to CasADi (lgpl, library)
casadi-bindings-control library: low level bindings to casadi-control (lgpl, library)
casadi-bindings-core library: autogenerated low level bindings to casadi (lgpl, library)
casadi-bindings-internal library: low level bindings to CasADi (lgpl, library)
casadi-bindings-ipopt-interface library: low level bindings to casadi-ipopt_interface (deprecated, lgpl, library)
casadi-bindings-snopt-interface library: low level bindings to casadi-snopt_interface (deprecated, lgpl, library)
cascading library: DSL for HTML CSS (Cascading Style Sheets) (bsd3, library)
case-conversion library: Convert between different cases (bsd3, library)
case-insensitive library: Case insensitive string comparison (bsd3, library)
cases library: A converter for spinal, snake and camel cases (library, mit)
cash library: the Computer Algebra SHell (bsd3, library)
cassandra-cql library: Haskell client for Cassandra's CQL protocol (bsd3, library)
cassandra-thrift library: thrift bindings to the cassandra database (library)
cassava library: A CSV parsing and encoding library (bsd3, library)
cassava-conduit library: Conduit interface for cassava package (bsd3, library)
cassava-streams library: io-streams interface for the cassava CSV library. (bsd3, library)
cassette library: A combinator library for simultaneously defining parsers and pretty printers. (bsd3, library)
cassy library: A high level driver for the Cassandra datastore (bsd3, library)
castle program: A tool to manage shared cabal-install sandboxes. (apache, program)
casui program: Equation Manipulator (mit, program)
catch-fd library: MonadThrow and MonadCatch, using functional dependencies (bsd3, library)
categorical-algebra library: Categorical Monoids and Semirings (bsd3, library)
categories library: Categories (bsd3, library)
category-extras library: A meta-package documenting various packages inspired by category theory (bsd3, library)
cautious-file library: Ways to write a file cautiously, to reduce the chances of problems such as data loss due to crashes or power failures (bsd3, library)
cayley-client library: An Haskell client for Cayley graph database (bsd3, library)
cblrepo program: Tool to maintain a database of CABAL packages and their dependencies (program)
cci library: Bindings for the CCI networking library (bsd3, library)
ccnx library: A Haskell implementation of the CCNx network protocol. (bsd3, library)
cctools-workqueue library: High-level interface to CCTools' WorkQueue library (gpl, library)
cedict library and program: Convenient Chinese phrase & character lookup. (gpl, library, program)
cellrenderer-cairo library: Cairo-based CellRenderer (bsd3, library)
cereal library: A binary serialization library (bsd3, library)
cereal-conduit library: Turn Data.Serialize Gets and Puts into Sources, Sinks, and Conduits (bsd3, library)
cereal-derive library: Automatic deriving of Serialize using GHC.Generics (gpl, library)
cereal-enumerator library: Deserialize things with cereal and enumerator (library, public-domain)
cereal-ieee754 library: Floating point support for the 'cereal' serialization library (bsd3, deprecated, library)
cereal-plus library: An extended serialization library on top of "cereal" (library, mit)
cereal-text library: Data.Text instances for the cereal serialization library (apache, library)
cereal-vector library: Serialize instances for Data.Vector types. (bsd3, library)
certificate library: Certificates and Key Reader/Writer (bsd3, deprecated, library)
cf library: Exact real arithmetic using continued fractions (library, mit)
cfipu program: cfipu processor for toy brainfuck-like language (bsd3, program)
cflp library: Constraint Functional-Logic Programming in Haskell (bsd3, library)
cfopu program: cfopu processor (bsd3, deprecated, program)
cgen library and programs: generates Haskell bindings and C wrappers for C++ libraries (bsd3, library, program)
cgi library: A library for writing CGI programs (bsd3, library)
cgi-undecidable library: Undecidable instances for the cgi package. (bsd3, library)
cgi-utils library: Simple modular utilities for CGI/FastCGI (sessions, etc.) (bsd3, library)
cgrep program: Command line tool (gpl, program)
chain-codes library: Library decoding chain codes from images (gpl, library)
chalkboard library: Combinators for building and processing 2D images. (bsd3, library)
chalkboard-viewer library: OpenGL based viewer for chalkboard rendered images. (bsd3, library)
chalmers-lava2000 library: Hardware description EDSL (bsd3, library)
chan-split library: Concurrent Chans as read/write pairs. Also provides generic Chan pair class. (bsd3, library)
change-monger library and program: Parse VCS changelogs into ChangeLogs (bsd3, library, program)
charade library and program: Rapid prototyping websites with Snap and Heist (bsd3, library, program)
charset library: Fast unicode character sets based on complemented PATRICIA tries (bsd3, library)
charsetdetect library: Character set detection using Mozilla's Universal Character Set Detector (lgpl, library)
charsetdetect-ae library: Character set detection using Mozilla's Universal Character Set Detector (lgpl, library)
chart-histogram library: Easily render histograms with Chart (bsd3, library)
chaselev-deque library: Chase & Lev work-stealing lock-free double-ended queues (deques). (bsd3, library)
chatter library and programs: A library of simple NLP algorithms. (bsd3, library, program)
chatty library: Some monad transformers and typeclasses for abstraction of global dependencies. (agpl, library)
chatty-text library: Provides some classes and types for dealing with text, using the fundaments of Chatty. (agpl, library)
chatty-utils library: Some utilities every serious chatty-based application may need. (agpl, library)
cheapskate library and program: Experimental markdown processor. (bsd3, library, program)
check-email library: Confirm whether an email is valid and probably existant. (bsd3, library)
check-pvp program: Check whether module and package imports conform to the PVP (bsd3, program)
checked library: Bounds-checking integer types. (bsd3, library)
checkers library: Check properties on standard classes and data structures. (bsd3, library)
chell library: A simple and intuitive library for automated testing. (library, mit)
chell-hunit library: HUnit support for the Chell testing library (library, mit)
chell-quickcheck library: QuickCheck support for the Chell testing library (library, mit)
chesshs library: Simple library for validating chess moves and parsing PGN files (bsd3, library)
chp library: An implementation of concurrency ideas from Communicating Sequential Processes (bsd3, library)
chp-mtl library: MTL class instances for the CHP library (bsd3, library)
chp-plus library: A set of high-level concurrency utilities built on Communicating Haskell Processes (bsd3, library)
chp-spec library: A mirror implementation of chp that generates a specification of the program (bsd3, library)
chp-transformers library: Transformers instances for the CHP library (bsd3, library)
chronograph library: measure timings of data evaluation (bsd3, library)
chu2 library: FFI for Chu2 Agda Web Server Interface (bsd3, library)
chuchu library: Behaviour Driven Development like Cucumber for Haskell (library)
chunked-data library: Typeclasses for dealing with various chunked data representations (library, mit)
chunks library: Simple template library with static safety (lgpl, library)
chunky library and program: Human-readable storage of text/binary objects. (lgpl, library, program)
church-list library: Removed; please see fmlist. (library, mit)
cil library: An interface to CIL. (bsd3, library)
cinvoke library: A binding to cinvoke. (bsd3, library)
cio library: A monad for concurrent IO on a thread pool (library, mit)
cipher-aes library: Fast AES cipher implementation with advanced mode of operations (bsd3, library)
cipher-aes128 library: AES and common modes using AES-NI when available. (bsd3, library)
cipher-blowfish library: Blowfish cipher (blowfish, bsd3, crypto-platform, cryptography, library)
cipher-camellia library: Camellia block cipher primitives (bsd3, camellia, crypto-platform, cryptography, library)
cipher-des library: DES and 3DES primitives (bsd3, library)
cipher-rc4 library: Fast RC4 cipher implementation (ARC4, RC4, bsd3, crypto-platform, cryptography, library)
cipher-rc5 library: Pure RC5 implementation (bsd3, library)
circ library: A Compiler IR Compiler. (bsd3, library)
circle-packing library: Simple heuristic for packing discs of varying radii in a circle (bsd3, library)
citation-resolve library: convert document IDs such as DOI, ISBN, arXiv ID to bibliographic reference. (bsd3, library)
citeproc-hs library: A Citation Style Language implementation in Haskell (bsd3, library)
cityhash library: Bindings to CityHash (library, mit)
cjk library: Data about Chinese, Japanese and Korean characters and languages (bsd3, library)
clafer library and program: clafer compiles Clafer models to other formats, such as Alloy, XML, HTML, Dot. (library, mit, program)
claferIG library and program: claferIG is an interactive tool that generates instances of Clafer models. (library, mit, program)
claferwiki library: A wiki-based IDE for literate modeling with Clafer (library, mit)
clanki program: Command-line spaced-repetition software (mit, program)
clash library: CAES Language for Synchronous Hardware (CLaSH) (bsd3, deprecated, library)
clash-ghc program: CAES Language for Synchronous Hardware (program)
clash-lib library: CAES Language for Synchronous Hardware - As a Library (library)
clash-prelude library: CAES Language for Synchronous Hardware - Prelude library (bsd3, library)
classify library: Library for classification of media files. (library, public-domain)
classy-parallel library: Fork of the monad-parallel package using monad-control (gpl, library)
classy-prelude library: A typeclass-based Prelude. (library, mit)
classy-prelude-conduit library: conduit instances for classy-prelude (library, mit)
classy-prelude-yesod library: Provide a classy prelude including common Yesod functionality. (library, mit)
clay library: CSS preprocessor as embedded Haskell. (bsd3, library)
clckwrks library: A secure, reliable content management system (CMS) and blogging platform (bsd3, library)
clckwrks-cli program: a command-line interface for adminstrating some aspects of clckwrks (bsd3, program)
clckwrks-dot-com program: clckwrks.com (bsd3, program)
clckwrks-plugin-bugs library: bug tracking plugin for clckwrks (bsd3, library)
clckwrks-plugin-ircbot library: ircbot plugin for clckwrks (bsd3, library)
clckwrks-plugin-media library: media plugin for clckwrks (bsd3, library)
clckwrks-plugin-page library: support for CMS/Blogging in clckwrks (bsd3, library)
clckwrks-theme-bootstrap library: simple bootstrap based template for clckwrks (bsd3, library)
clckwrks-theme-clckwrks library: simple bootstrap based template for clckwrks (bsd3, library)
clckwrks-theme-geo-bootstrap library: geo bootstrap based template for clckwrks (bsd3, library)
cld2 library: Haskell bindings to Google's Compact Language Detector 2 (apache, library)
clean-home program: Keep your home dir clean by finding old conf files (bsd3, program)
clean-unions library: Open unions without need for Typeable (bsd3, library)
clevercss library and program: A CSS preprocessor (bsd3, library, program)
cli library: Simple Command Line Interface Library (bsd3, library)
click-clack program: Toy game (tetris on billiard board). Hipmunk in action. (program)
clientsession library and program: Securely store session data in a client-side cookie. (bsd3, library, program)
clifford library and program: A Clifford algebra library (bsd3, library, program)
clippard library: A simple Haskell library for copying text to the clipboard in a cross-platform way. (library, mit)
clipper library: Haskell API to clipper (2d polygon union/intersection/xor/clipping API) (bsd3, library)
clippings library and program: A parser/generator for Kindle-format clipping files (`My Clippings.txt`), (library, mit, program)
clock library: High-resolution clock functions: monotonic, realtime, cputime. (bsd3, library)
clocked library: timer functionality to clock IO commands (lgpl, library)
clogparse library: Parse IRC logs such as the #haskell logs on tunes.org (bsd3, library)
clone-all program: Clone all github repositories from a given user (github, mit, program)
closure library: Depth- and breadth-first set closures (library, mit)
cloud-haskell library: The Cloud Haskell Application Platform (bsd3, library)
cloudfront-signer library: CloudFront URL signer (bsd3, library)
cloudyfs program: A cloud in the file system. (program)
cltw program: Command line Twitter utility (bsd3, program)
clua program: C to Lua data wrapper generator (bsd3, program)
cluss library: simple alternative to type classes (bsd3, library)
clustertools programs: Tools for manipulating sequence clusters (gpl, program)
clutterhs library: Bindings to the Clutter animation library (lgpl, library)
cmaes library: CMA-ES wrapper in Haskell (library)
cmath library: A binding to the standard C math library (bsd3, library)
cmathml3 library and program: Data model, parser, serialiser and transformations for Content MathML 3 (bsd3, library, program)
cmdargs library: Command line argument processing (bsd3, library)
cmdargs-browser program: Helper to enter cmdargs command lines using a web browser (bsd3, program)
cmdlib library: a library for command line parsing & online help (bsd3, library)
cmdtheline library: Declarative command-line option parsing and documentation library. (library, mit)
cml library: Events and Channels as in Concurrent ML (bsd3, library)
cmonad library: A library for C-like programming (bsd3, library)
cmu library and program: Unification in a Commutative Monoid (gpl, library, program)
cnc-spec-compiler program: Compiler/Translator for CnC Specification Files. (bsd3, program)
cndict library: Chinese/Mandarin <-> English dictionary, Chinese lexer. (library, public-domain)
code-builder library: Simple system for generating code. (bsd3, library)
codec-libevent library and program: Cross-platform structure serialisation (bsd3, deprecated, library, program)
codec-mbox library: A library to read and write mailboxes in mbox format (bsd3, library)
codecov-haskell library and programs: Codecov.io support for Haskell. (bsd3, library, program)
codemonitor program: Tool that automatically runs arbitrary commands when files change on disk. (bsd3, program)
codepad library: Submit and retrieve paste output from CodePad.org. (bsd3, library)
codex library and program: A ctags file generator for cabal project dependencies. (apache, library, program)
codo-notation library: A notation for comonads, analogous to the do-notation for monads. (bsd3, library)
cofunctor library: DEPRECATED: use the "contravariant" package (bsd3, deprecated, library)
cognimeta-utils library and program: Utilities for Cognimeta products (such as perdure). API may change often. (library, program)
colada library and program: Colada implements incremental word class class induction using online LDA (bsd3, library, program)
colchis library: Rudimentary JSON-RPC 2.0 client over raw TCP. (bsd3, library)
collada-output library and program: Generate animated 3d objects in COLLADA (bsd3, library, program)
collada-types library: Data exchange between graphic applications (bsd3, library)
collapse-util program: utility for collapsing adjacent writes (bsd3, program)
collections library: Useful standard collections types and related functions. (bsd3, library)
collections-api library: API for collection data structures. (bsd3, library)
collections-base-instances library: Useful standard collections types and related functions. (bsd3, library)
colock library: thread-friendly file locks that don't block the entire program (lgpl, library)
colorize-haskell library and program: Highligt Haskell source (bsd3, library, program)
colors library: A type for colors (bsd3, library)
colour library: A model for human colour/color perception (library, mit)
coltrane library: A jazzy, minimal web framework for Haskell, inspired by Sinatra. (bsd3, library)
com library: Haskell COM support library (bsd3)
combinat library: Generation of various combinatorial objects. (bsd3, library)
combinat-diagrams library: Graphical representations for various combinatorial objects (bsd3, library)
combinator-interactive library and program: SKI Combinator interpreter (bsd3, library, program)
combinatorial-problems library: A number of data structures to represent and allow the manipulation of standard combinatorial problems, used as test problems in computer science. (gpl, library)
combinatorics library: Efficient computation of common combinatoric functions. (bsd3, deprecated, library)
combobuffer library: Various buffer implementations (bsd3, library)
command library: Conveniently run shell commands (bsd3, library)
command-qq library: Quasiquoters for external commands (bsd3, library)
commodities library: Library for working with commoditized amounts and price histories (bsd3, library)
commsec library: Provide communications security using symmetric ephemeral keys (bsd3, library)
commsec-keyexchange library: Key agreement for commsec. (bsd3, library)
comonad library: Comonads (bsd3, library)
comonad-extras library: Exotic comonad transformers (bsd3, library)
comonad-random library: Comonadic interface for random values (library)
comonad-transformers library: This package has been merged into comonad 4.0 (bsd3, deprecated, library)
comonads-fd library: This package has been merged into comonad 4.0 (bsd3, deprecated, library)
compact-map library: Compact Data.Map implementation using Data.Binary (bsd3, library)
compact-string library: Fast, packed and strict strings with Unicode support, based on bytestrings. (bsd3, deprecated, library)
compact-string-fix library: Same as compact-string except with a small fix so it builds on ghc-6.12 (bsd3, library)
compare-type library: compare types of any kinds in haskell (bsd3, library)
compdata library: Compositional Data Types (bsd3, library)
compdata-automata library: Tree automata on Compositional Data Types (bsd3, library)
compdata-dags library: Compositional Data Types on DAGs (bsd3, library)
compdata-param library: Parametric Compositional Data Types (bsd3, library)
compensated library: Compensated floating-point arithmetic (bsd3, library)
competition library: Helpers and runners for code competitions (library, mit)
compilation library: Haskell functionality for quickly assembling simple compilers. (gpl, library)
complex-generic library: complex numbers with non-mandatory RealFloat (bsd3, library)
complex-integrate library: A simple integration function to integrate a complex-valued complex functions (library, public-domain)
complexity library: Empirical algorithmic complexity (bsd3, library)
compose-trans library: Composable monad transformers (bsd3, library)
composition library: Combinators for unorthodox function composition (bsd3, library)
compressed library: Compressed containers and reducers (bsd3, library)
compression library: Common compression algorithms. (library)
computational-algebra library: Well-kinded computational algebra library, currently supporting Groebner basis. (algebra, bsd3, library, math, type-level)
concatenative library: A library for postfix control flow. (bsd3, library)
conceit library: Concurrent actions that may fail (bsd3, library)
concorde library: Simple interface to the Concorde solver for the Traveling Salesperson Problem (bsd3, library)
concraft library: Morphological disambiguation based on constrained CRFs (bsd3, library)
concraft-hr library and program: Part-of-speech tagger for Croatian (bsd3, library, program)
concraft-pl library and program: Morphological tagger for Polish (bsd3, library, program)
concrete-relaxng-parser program: A parser driven by a standard RELAX NG schema with concrete syntax extensions. (gpl, program)
concrete-typerep library: Binary and Hashable instances for TypeRep (bsd3, library)
concurrent-barrier library: Simple thread barriers (bsd3, library)
concurrent-dns-cache library and program: Concurrent DNS cache (bsd3, library, program)
concurrent-extra library: Extra concurrency primitives (bsd3, library)
concurrent-sa library: Concurrent simulated annealing system. (bsd3, library)
concurrent-split library: MVars and Channels with distinguished input and output side (bsd3, library)
concurrent-state library: MTL-like library using TVars (library, mit)
concurrent-supply library: A fast concurrent unique identifier supply with a pure API (bsd3, library)
concurrentoutput library: Ungarble output from several threads (bsd3, library)
cond library: Basic conditional and boolean operators with monadic variants. (bsd3, library)
condor library and program: Information retrieval library (bsd3, deprecated, library, program)
condorcet library: Library for Condorcet voting (bsd3, library)
conductive-base library: a library for live coding and real-time musical applications (gpl, library)
conductive-clock library: a library for displaying musical time in a terminal-based clock (gpl, library)
conductive-hsc3 library: a library with examples of using Conductive with hsc3 (gpl, library)
conductive-song library: a library of functions which are useful for composing music (gpl, library)
conduit library: Streaming data processing library. (library, mit)
conduit-combinators library: Commonly used conduit functions, for both chunked and unchunked data (library, mit)
conduit-connection library: Conduit source and sink for Network.Connection. (bsd3, library)
conduit-extra library: Batteries included conduit: adapters for common libraries. (library, mit)
conduit-iconv library: Conduit for character encoding conversion. (bsd3, library)
conduit-network-stream library: A base layer for network protocols using Conduits (bsd3, library)
conduit-resumablesink library: Allows conduit to resume sinks to feed multiple sources into it. (bsd3, library)
conf library: Parser for Haskell-based configuration files. (bsd3, library)
config-select program: A small program for swapping out dot files. (gpl, program)
configuration library: Simple data type for application configuration. (bsd3, library)
configuration-tools library: Tools for specifying and parsing configurations (library, mit)
configurator library: Configuration management (bsd3, library)
confsolve program: A command line tool for resolving conflicts of file synchronizers. (bsd3, program)
congruence-relation library: Decidable congruence relations for Haskell: up to you whether this is a joke (library, mit)
conjugateGradient library: Sparse matrix linear-equation solver (bsd3, library)
conjure library and program: A BitTorrent client (bsd3, library, program)
conlogger library and program: A logger for a concurrent program. (library, log, mit, program)
connection library: Simple and easy network connections API (bsd3, library)
connection-pool library: Connection pool built on top of resource-pool and streaming-commons. (bsd3, library)
consistent library: Eventually consistent STM transactions. (library, mit)
console-program library: Interpret the command line and contents of a config file as commands and options (bsd3, library)
const-math-ghc-plugin library: Compiler plugin for constant math elimination (bsd3, library)
constrained-categories library: Constrained clones of the category-theory type classes, using ConstraintKinds. (gpl, library)
constrained-normal library: Normalised Deep Embeddings for Constrained Type-Class Instances (bsd3, library)
constraints library: Constraint manipulation (bsd3, library)
constructible library: Exact computation with constructible real numbers (bsd3, library)
constructive-algebra library: A library of constructive algebra. (bsd3, library)
container-classes library: Generic classes for interacting with different container types (bsd3, deprecated, library)
containers library: Assorted concrete container types (bsd3, library)
containers-benchmark program: Extensive benchmark suite for containers package. (bsd3, program)
containers-deepseq library: Provide orphan NFData instances for containers as needed. (deprecated) (bsd3, deprecated, library)
containers-unicode-symbols library: Unicode alternatives for common functions and operators (bsd3, library)
context-stack library: An abstraction of a stack and stack-based monadic context. (library, mit)
continue library: Monads with suspension and arbitrary-spot reentry (bsd3, library)
continued-fractions library: Continued fractions. (library, public-domain)
continuum library: (library, mit)
continuum-client library: (library, mit)
contravariant library: Contravariant functors (bsd3, library)
control-bool library: Useful combinators for boolean expressions (bsd3, library)
control-event library: Event scheduling system. (bsd3, library)
control-monad-attempt library: Monad transformer for attempt. (deprecated) (bsd3, deprecated, library)
control-monad-exception library: Explicitly typed, checked exceptions with stack traces (library, public-domain)
control-monad-exception-monadsfd library: Monads-fd instances for the EMT exceptions monad transformer (library, public-domain)
control-monad-exception-monadstf library: Monads-tf instances for the EMT exceptions monad transformer (library, public-domain)
control-monad-exception-mtl library: MTL instances for the EMT exceptions monad transformer (library, public-domain)
control-monad-failure library: A class for monads which can fail with an error. (deprecated) (deprecated, library, public-domain)
control-monad-failure-mtl library: A class for monads which can fail with an error for mtl 1 (deprecated) (deprecated, library, public-domain)
control-monad-free library: Free monads and monad transformers (library, public-domain)
control-monad-loop library: Simple monad transformer for imperative-style loops (bsd3, library)
control-monad-omega library: A breadth-first list monad. (library, public-domain)
control-monad-queue library: Reusable corecursive queues, via continuations. (bsd3, library)
control-timeout library: Timeout handling (bsd3, deprecated, library)
contstuff library: Fast, easy to use CPS-based monad transformers (bsd3, library)
contstuff-monads-tf library: ContStuff instances for monads-tf transformers (deprecated) (bsd3, deprecated, library)
contstuff-transformers library: Deprecated interface between contstuff 0.7.0 and the transformers package (bsd3, deprecated, library)
converge library: Limit operations for converging sequences (library, public-domain)
convertible library: Typeclasses and instances for converting between types (bsd3, library)
convertible-ascii library: convertible instances for ascii (library, public-domain)
convertible-text library: Typeclasses and instances for converting between types (deprecated) (bsd3, deprecated)
cookbook library: Tiered general-purpose libraries with domain-specific applications. (bsd3, library)
cookie library: HTTP cookie parsing and rendering (bsd3, library)
coordinate library: A representation of latitude and longitude (bsd3, library)
copilot library and program: A stream DSL for writing embedded C programs. (bsd3, library, program)
copilot-c99 library and program: A compiler for Copilot targeting C99. (bsd3, library, program)
copilot-cbmc library: Copilot interface to a C model-checker. (bsd3, library)
copilot-core library: An intermediate representation for Copilot. (bsd3, library)
copilot-language library: A Haskell-embedded DSL for monitoring hard real-time distributed systems. (bsd3, library)
copilot-libraries library: A Haskell-embedded DSL for monitoring hard real-time distributed systems. (bsd3, library)
copilot-sbv library: A compiler for CoPilot targeting SBV. (bsd3, library)
copr library: Haskell interface to the Fedora Copr system (bsd3, library)
core library: External core parser and pretty printer. (bsd3, library)
core-haskell program: A subset of Haskell using in UCC for teaching purpose (bsd3, program)
corebot-bliki library and program: A bliki written using yesod. Uses pandoc to process files stored in git. (bsd3, library, program)
coroutine-enumerator library: Bridge between the monad-coroutine and enumerator packages. (gpl, library)
coroutine-iteratee library: Bridge between the monad-coroutine and iteratee packages. (gpl, library)
coroutine-object library: Object-oriented programming realization using coroutine (bsd3, library)
couch-hs library and program: A CouchDB view server for Haskell. (library, program, public-domain)
couchdb-conduit library: Couch DB client library using http-conduit and aeson (bsd3, library)
couchdb-enumerator library: Couch DB client library using http-enumerator and aeson (bsd3, library)
count library: Bijective mappings between values and possibly infinite prefixes of [0..] (bsd3, library)
countable library: Countable, Searchable, Finite, Empty classes (bsd3, library)
counter library: An object frequency counter. (library, mit)
country-codes library: ISO 3166 country codes and i18n names. (bsd3, library)
courier library: A message-passing library for simplifying network applications (library, mit)
court programs: Simple and flexible CI system (bsd3, program)
cplusplus-th library: C++ Foreign Import Generation (bsd3, library)
cpphs library and program: A liberalised re-implementation of cpp, the C pre-processor. (lgpl, library, program)
cprng-aes library: Crypto Pseudo Random Number Generator using AES in counter mode. (bsd3, library)
cprng-aes-effect library: Run random effect using cprng-aes, a crypto pseudo number generator. (library, mit)
cpsa programs: Symbolic cryptographic protocol analyzer (bsd3, program)
cpu library: Cpu information and properties helpers. (bsd3, library)
cpuid library: Binding for the cpuid machine instruction on x86 compatible processors (gpl)
cpuperf program: Modify the cpu frequency on OpenBSD systems (bsd3, program)
cpython library: Bindings for libpython (gpl, library)
cql library: Cassandra CQL binary protocol. (library)
cql-io library: Cassandra CQL client. (library)
cqrs library: Command-Query Responsibility Segregation (library, mit)
cqrs-example program: Example for cqrs package (mit, program)
cqrs-postgresql library: PostgreSQL backend for the cqrs package. (library, mit)
cqrs-sqlite3 library: SQLite3 backend for the cqrs package. (library, mit)
cqrs-test library: Command-Query Responsibility Segregation Test Support (library, mit)
cqrs-types library: Command-Query Responsibility Segregation. Modules for the basic types. (library, mit)
cr program: Code review tool (gpl, program)
crack library: A haskell binding to cracklib (gpl, library)
craftwerk library: 2D graphics library with integrated TikZ output. (library, mit)
craftwerk-cairo library: Cairo backend for Craftwerk. (library, mit)
craftwerk-gtk library: Gtk UI for Craftwerk. (library, mit)
crc16 library: Calculate the crc16-ccitt. (bsd3, library)
crc16-table library: Compute CRC16 checksums using a lookup table. (bsd3, library)
creatur library: Framework for artificial life experiments. (bsd3, library)
crf-chain1 library: First-order, linear-chain conditional random fields (bsd3, library)
crf-chain1-constrained library: First-order, constrained, linear-chain conditional random fields (bsd3, library)
crf-chain2-generic library: Second-order, generic, constrained, linear conditional random fields (bsd3, library)
crf-chain2-tiers library: Second-order, tiered, constrained, linear conditional random fields (bsd3, library)
critbit library: Crit-bit maps and sets (bsd3, library)
criterion library: Robust, reliable performance measurement and analysis (bsd3, library)
criterion-plus library: Enhancement of the "criterion" benchmarking library (library, mit)
criterion-to-html program: Convert criterion output to HTML reports (bsd3, program)
crockford library: An implementation of Douglas Crockford's base32 encoding. (bsd3, library)
crocodile program: An offline renderer supporting ray tracing and photon mapping (gpl, program)
cron library: Cron datatypes and Attoparsec parser (library, mit)
cruncher-types library: Request and Response types for Eval.so's API (bsd3, library)
crunghc program: A runghc replacement with transparent caching (program, public-domain)
crypto-api library: A generic interface for cryptographic operations (bsd3, library)
crypto-api-tests library: A test framework and KATs for cryptographic operations. (bsd3, library)
crypto-cipher-benchmarks library: Generic cryptography cipher benchmarks (benchmarks, bsd3, crypto-platform, cryptography, library)
crypto-cipher-tests library: Generic cryptography cipher tests (bsd3, library)
crypto-cipher-types library: Generic cryptography cipher types (bsd3, library)
crypto-conduit library: Conduit interface for cryptographic operations (from crypto-api). (bsd3, library)
crypto-numbers library: Cryptographic numbers: functions and algorithms (bsd3, library)
crypto-pubkey library: Public Key cryptography (bsd3, library)
crypto-pubkey-openssh library: OpenSSH keys decoder/encoder (library, mit)
crypto-pubkey-types library: Generic cryptography Public keys algorithm types (bsd3, library)
crypto-random library: Simple cryptographic random related types (bsd3, library)
crypto-random-api library: Simple random generators API for cryptography related code (bsd3, cryptography, deprecated, library)
crypto-random-effect library: A random effect using crypto-random (library, mit)
crypto-totp library: Provides generation and verification services for time-based one-time keys. (bsd3, library)
cryptocipher library: Symmetrical block and stream ciphers. (bsd3, library)
cryptohash library: collection of crypto hashes, fast, pure and practical (bsd3, library)
cryptohash-conduit library: cryptohash conduit (bsd3, library)
cryptohash-cryptoapi library: Crypto-api interfaces for cryptohash (bsd3, library)
cryptsy-api library: Bindings for Cryptsy cryptocurrency exchange API. (library)
crystalfontz library: Control Crystalfontz LCD displays. (bsd3, library)
cse-ghc-plugin library: Compiler plugin for common subexpression elimination (bsd3, library)
csound-catalog library: a gallery of Csound instruments. (bsd3, library)
csound-expression library: library to make electronic music (bsd3, library)
csound-expression-dynamic library: dynamic core for csound-expression library (bsd3, library)
csound-expression-opcodes library: opcodes for the library csound-expression (bsd3, library)
csound-expression-typed library: typed core for the library csound-expression (bsd3, library)
csound-sampler library: A musical sampler based on Csound (bsd3, library)
csp library: Discrete constraint satisfaction problem (CSP) solvers. (lgpl, library)
cspmchecker programs: A command line type checker for CSPM files. (bsd3, program)
css library: Minimal monadic CSS DSL. (bsd3, deprecated, library)
css-text library: CSS parser and renderer. (bsd3, library)
csv library: CSV loader and dumper (library, mit)
csv-conduit library: A flexible, fast, conduit-based CSV parser library for Haskell. (bsd3, library)
csv-enumerator library: A flexible, fast, enumerator-based CSV parser library for Haskell. (bsd3, library)
csv-nptools programs: A collection of CSV tools (gpl, program)
csv-to-qif program: A small program that will read csv files and create qif files (bsd3, program)
ctemplate library: Binding to the Google ctemplate library (bsd3, deprecated, library)
ctkl library: packaging of Manuel Chakravarty's CTK Light for Hackage (bsd3, library)
ctpl library: A programming language for text modification. (gpl, library)
ctrie library: Non-blocking concurrent map (library, mit)
cubical program: Implementation of Univalence in Cubical Sets (mit, program)
cubicbezier library: Efficient manipulating of 2D cubic bezier curves. (bsd3, library)
cubicspline library: Natural cubic spline interpolation. (bsd3, library)
cublas library: FFI bindings to the CUDA CUBLAS and CUSPARSE libraries (bsd3, library)
cuboid program: 3D Yampa/GLUT Puzzle Game (mit, program)
cuda library and program: FFI binding to the CUDA interface for programming NVIDIA GPUs (bsd3, library, program)
cudd library: Bindings to the CUDD binary decision diagrams library (bsd3, library)
cufft library: Haskell bindings for the CUFFT library (bsd3, library)
curl library: Haskell binding to libcurl (bsd3, library)
curl-aeson library: Communicate with HTTP service using JSON (bsd3, library)
curlhs library: bindings to libcurl, the multiprotocol file transfer library (library)
currency library: Types representing standard and non-standard currencies (library)
current-locale library: Get the current system locale in System.Locale format (library, mit)
curry-base library: Functions for manipulating Curry programs (library)
curry-frontend library and program: Compile the functional logic language Curry to several intermediate formats (library, program)
cursedcsv program: Terminal tool for viewing tabular data (bsd3, program)
curves library: Library for drawing curve based images. (library, mit)
custom-prelude library: An enhanced prelude, serving as a foundation for my projects (gpl, library)
cv-combinators library and programs: Functional Combinators for Computer Vision (bsd3, library, program)
cyclotomic library: A subfield of the complex numbers for exact calculation. (gpl, library)
cypher library: Haskell bindings for the neo4j "cypher" query language (bsd3, library)
d-bus library: Permissively licensed D-Bus client library (bsd3, library)
d3js library: Declarative visualization on a web browser with DSL approach. (bsd3, library)
daemonize-doublefork library: Start background daemons by double-forking (gpl, library)
daemons library and programs: Daemons in Haskell made fun and easy (gpl, library, program)
dag library: Compile-time, type-safe directed acyclic graphs. (bsd3, library)
damnpacket library: Parsing dAmn packets (library, mit)
dao library and program: Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind. (gpl, library, program)
dapi program: Prints a series of dates (bsd3, program)
darcs library: a distributed, interactive, smart revision control system (gpl)
darcs-benchmark program: Comparative benchmark suite for darcs. (bsd3, program)
darcs-beta library: a distributed, interactive, smart revision control system (gpl)
darcs-buildpackage programs: Tools to help manage Debian packages with Darcs (gpl, program)
darcs-cabalized program: David's Advanced Version Control System (deprecated, gpl, program)
darcs-fastconvert program: Import/export git fast-import streams to/from darcs. (bsd3, program)
darcs-graph program: Generate graphs of darcs repository activity (bsd3, program)
darcs-monitor program: Darcs repository monitor (sends email) (gpl, program)
darcs-scripts library: Shell scripts for support of darcs workflow (bsd3, library)
darcs2dot program: Outputs dependencies of darcs patches in dot format. (bsd3, program)
darcsden programs: Darcs repository UI and hosting/collaboration app (hub.darcs.net branch). (gpl, program)
darcswatch programs: Track application of Darcs patches (gpl, program)
dash-haskell program: Command line tool to generate Dash docsets (IDE docs) from package haddock (haddock, lgpl, program)
data-accessor library: Utilities for accessing and manipulating fields of records (bsd3, library)
data-accessor-monadLib library: Accessor functions for monadLib's monads (library)
data-accessor-monads-fd library: Use Accessor to access state in monads-fd State monad class (bsd3, library)
data-accessor-monads-tf library: Use Accessor to access state in monads-tf State monad type family (bsd3, library)
data-accessor-mtl library: Use Accessor to access state in mtl State monad class (bsd3, library)
data-accessor-template library: Utilities for accessing and manipulating fields of records (bsd3, library)
data-accessor-transformers library: Use Accessor to access state in transformers State monad (bsd3, library)
data-aviary library: Combinator birds. (bsd3, library)
data-binary-ieee754 library: Parser/Serialiser for IEEE-754 floating-point values (library, mit)
data-bword library: Extra operations on binary words of fixed length (bsd3, library)
data-carousel library: A rotating sequence data structure (library, mit)
data-category library: Category theory (bsd3, library)
data-checked library: Type-indexed runtime-checked properties (bsd3, library)
data-clist library: Simple functional ring type. (bsd3, library)
data-concurrent-queue library: A Library for directional queues (library, mit)
data-cycle library: a cyclic doubly linked list (bsd3, library)
data-default library: A class for types with a default value (bsd3, library)
data-default-class library: A class for types with a default value (bsd3, library)
data-default-generics library: A class for types with a default value (bsd3, library)
data-default-instances-base library: Default instances for types in base (bsd3, library)
data-default-instances-containers library: Default instances for types in containers (bsd3, library)
data-default-instances-dlist library: Default instances for types in dlist (bsd3, library)
data-default-instances-old-locale library: Default instances for types in old-locale (bsd3, library)
data-dispersal library: Space-efficient and privacy-preserving data dispersal algorithms. (lgpl, library)
data-dword library: Stick two binary words together to get a bigger one (bsd3, library)
data-easy library: Consistent set of utility functions for Maybe, Either, List, Monoids. (bsd3, library)
data-endian library: Endian-sensitive data (bsd3, library)
data-extra library: None (bsd3, deprecated, library)
data-filepath library: A type safe file path data structure (bsd3, library)
data-fin library: Finite totally ordered sets (bsd3, library)
data-fix library: Fixpoint data types (bsd3, library)
data-fix-cse library: Common subexpression elimination for the fixploint types. (bsd3, library)
data-flags library: A package for working with bit masks and flags in general. (bsd3, library)
data-fresh library: Interface and functor transformers for fresh values (bsd3, library)
data-hash library: Combinators for building fast hashing functions. (bsd3, library)
data-interval library: Interval arithmetic for both open and closed intervals (bsd3, library)
data-inttrie library: A lazy, infinite trie of integers. (bsd3, library)
data-ivar library: Write-once variables with concurrency support (bsd3, library)
data-kiln library: Sculpt mutable recursive data with reference equality; bake it using a data kiln into an immutable lazy structure (bsd3, library)
data-layout library: Read/write arbitrary binary layouts to a "Data.Vector.Storable". (bsd3, library)
data-lens library: Used to be Haskell 98 Lenses (bsd3, library)
data-lens-fd library: Lenses (bsd3, library)
data-lens-ixset library: A Lens for IxSet (bsd3, deprecated, library)
data-lens-light library: Simple lenses, minimum dependencies (library, mit)
data-lens-template library: Utilities for Data.Lens (bsd3, library)
data-list-sequences library: Utilities for working with sequences within lists. (gpl, library)
data-memocombinators library: Combinators for building memo tables. (bsd3, library)
data-named library: Data types for named entities (bsd3, library)
data-nat library: data Nat = Zero | Succ Nat (bsd3, library)
data-object library: Represent hierachichal structures, called objects in JSON. (deprecated) (bsd3, deprecated, library)
data-object-json library: Serialize JSON data to/from Haskell using the data-object library. (deprecated) (bsd3, deprecated, library)
data-object-yaml library: Serialize data to and from Yaml files (deprecated) (bsd3, deprecated, library)
data-or library: A data type for non-exclusive disjunction. (bsd3, library)
data-ordlist library: Set and bag operations on ordered lists (bsd3, library)
data-partition library: A pure disjoint set (union find) data structure (bsd3, library)
data-pprint library: Prettyprint and compare Data values (bsd3, library)
data-quotientref library: Reference cells that need two independent indices to be accessed. (bsd3, library)
data-r-tree library: R-Tree is a spatial data structure similar to Quadtrees or B-Trees. (library, mit)
data-ref library: Unify STRef and IORef in plain Haskell 98 (bsd3, library)
data-reify library: Reify a recursive data structure into an explicit graph. (bsd3, library)
data-reify-cse library: Common Sub-Expression Elimination for graphs generated by Data.Reify. (bsd3, library)
data-rev library: A typeclass for reversing order of contents. (bsd3, library)
data-rope library: Ropes, an alternative to (Byte)Strings. (gpl, library)
data-size library: Profiling of data structures (library, mit)
data-spacepart library: Deprecated. Now called "spacepart". Space partitioning data structures. (bsd3, deprecated, library)
data-store library: Type safe, in-memory dictionary with multidimensional keys. (bsd3, library)
data-stringmap library: An efficient implementation of maps from strings to arbitrary values (library, mit)
data-structure-inferrer program: Program that infers the fastest data structure available for your program (mit, program)
data-textual library: Human-friendly textual representations. (bsd3, library)
data-timeout library: 64-bit timeouts of nanosecond precision (bsd3, library)
data-transform library: Functions to transform data structures. (bsd3, library)
data-treify library: Reify a recursive data structure into an explicit graph. (bsd3, library)
data-type library: Basic type wrangling types and classes (bsd3, library)
data-util library: utilities for handle data (bsd3, library)
data-variant library: A variant data type, useful for modeling dynamically-typed programming languages (bsd3, library)
database-migrate library: Database versioning and migration (experimental) (bsd3, library)
database-study library: Demonstrate how a database can be implemented the functional way (bsd3, library)
dataenc library: Data encoding library (bsd3, deprecated, library)
datalog library and program: An implementation of datalog in Haskell (bsd3, library, program)
datapacker program: Tool to help pack files into the minimum number of CDs/DVDs/etc (gpl, program)
date-cache library: Date cacher (bsd3, library)
dates library: Small library for parsing different dates formats. (bsd3, library)
datetime library: Utilities to make Data.Time.* easier to use. (gpl, library)
dawg library: Directed acyclic word graphs (bsd3, library)
dbf library: Read and write XBase ".dbf" files (library, public-domain)
dbjava library and program: Decompiler Bytecode Java (bsd3, library, program)
dbmigrations library and program: An implementation of relational database "migrations" (bsd3, library, program)
dbus library: A client library for the D-Bus IPC system. (gpl, library)
dbus-client library: Monadic and object-oriented interfaces to DBus (deprecated, gpl, library)
dbus-core library: Low-level D-Bus protocol implementation (deprecated, gpl, library)
dbus-qq library: Quasi-quoter for DBus functions (bsd3, library)
dbus-th library: TemplateHaskell generator of DBus bindings (bsd3, library)
dclabel library: This packge is deprecated. See the the "LIO.DCLabel" in the "lio" package. (bsd3, deprecated, library)
dclabel-eci11 library: The Disjunction Category Label Format. (bsd3, deprecated, library)
ddc-base library: Disciplined Disciple Compiler common utilities. (library, mit)
ddc-build library: Disciplined Disciple Compiler build framework. (library, mit)
ddc-code library: Disciplined Disciple Compiler base libraries. (library, mit)
ddc-core library: Disciplined Disciple Compiler core language and type checker. (library, mit)
ddc-core-eval library: Disciplined Disciple Compiler semantic evaluator for the core language. (library, mit)
ddc-core-flow library: Disciplined Disciple Compiler data flow compiler. (library, mit)
ddc-core-llvm library: Disciplined Disciple Compiler LLVM code generator. (library, mit)
ddc-core-salt library: Disciplined Disciple Compiler C code generator. (library, mit)
ddc-core-simpl library: Disciplined Disciple Compiler code transformations. (library, mit)
ddc-core-tetra library: Disciplined Disciple Compiler intermediate language. (library, mit)
ddc-driver library: Disciplined Disciple Compiler top-level driver. (library, mit)
ddc-interface library: Disciplined Disciple Compiler user interface support. (library, mit)
ddc-source-tetra library: Disciplined Disciple Compiler source language. (library, mit)
ddc-tools programs: Disciplined Disciple Compiler command line tools. (mit, program)
ddc-war program: Disciplined Disciple Compiler test driver and buildbot. (mit, program)
ddci-core program: Disciple Core language interactive interpreter. (mit, program)
dead-simple-json library: Dead simple JSON parser, with some Template Haskell sugar. (library, mit)
debian library and programs: Modules for working with the Debian package system (bsd3, library, program)
debian-binary library and programs: Utilities to work with debian binary packages (deprecated, library, program)
debian-build library and program: Debian package build sequence tools (bsd3, library, program)
debug-diff library: Display a colorized diff between two Haskell values (bsd3, library)
decepticons library: The categorical dual of transformers. (bsd3, library)
decoder-conduit library: Conduit for decoding ByteStrings using Data.Binary.Get (bsd3, library)
dedukti library and program: A type-checker for the λΠ-modulo calculus. (gpl, library, program)
deeplearning-hs library and program: Deep Learning in Haskell (library, mit, program)
deepseq library: Deep evaluation of data structures (bsd3, library)
deepseq-bounded library: Bounded deepseq, including support for generic deriving (bsd3, diagnostic, forcing, instrumentation, leak, library, parallel, remedial, space, strictness)
deepseq-generics library: GHC.Generics-based Control.DeepSeq.rnf implementation (bsd3, library)
deepseq-magic library: Deep evaluation of data structures without NFData (library, public-domain)
deepseq-th library: Template Haskell based deriver for optimised NFData instances (bsd3, deprecated, library)
deepzoom library: A DeepZoom image slicer. Only known to work on 32bit Linux (bsd3, library)
defargs library: default arguments in haskell (bsd3, library)
definitive-base library: The base modules of the Definitive framework. (library)
definitive-filesystem library: A library that enable you to interact with the filesystem in a definitive way. (library)
definitive-graphics library: A definitive package allowing you to open windows, read image files and render text to be displayed or saved (library)
definitive-parser library: A parser combinator library for the Definitive framework (library)
definitive-reactive library: A simple Reactive library. (library)
definitive-sound library: A definitive package to handle sound and play it back (library)
deiko-config library: Small and typesafe configuration library. (bsd3, library)
deka library: Decimal floating point arithmetic (bsd3, library)
deka-tests library and program: Tests for deka, decimal floating point arithmetic (bsd3, library, program)
delaunay library: Build a Delaunay triangulation of a set of points (bsd3, library)
delicious library: Accessing the del.icio.us APIs from Haskell (v2) (bsd3, library)
delimited-text library: Parse character delimited textual data (bsd3, library)
delta-h library and program: Online entropy-based model of lexical category acquisition. (bsd3, library, program)
demarcate library: Demarcating transformed monad. (bsd3, deprecated, library)
denominate library and program: Functions supporting bulk file and directory name normalization. (bsd3, library, program)
dependent-map library: Dependent finite maps (partial dependent products) (library)
dependent-sum library: Dependent sum type (library, public-domain)
dependent-sum-template library: Template Haskell code to generate instances of classes in dependent-sum package (library, public-domain)
depends program: A simple configuration management tool for Haskell (deprecated, mit, program)
dephd programs: Analyze quality of nucleotide sequences. (gpl, program)
dequeue library: A typeclass and an implementation for double-ended queues. (bsd3, library)
derangement library: Find derangements of lists (gpl, library)
derivation-trees library: Typeset Derivation Trees via MetaPost (gpl, library)
derive library and program: A program and library to derive instances for data types (bsd3, library, program)
derive-IG library: Macro to derive instances for Instant-Generics using Template Haskell (bsd3, library)
derive-gadt library and programs: Instance deriving for (a subset of) GADTs. (bsd3, library, program)
derive-trie library: Automatic derivation of Trie implementations. (bsd3, library)
derp library: Derivative Parsing (bsd3, library)
derp-lib library: combinators based on parsing with derivatives (derp) package (bsd3, library)
descrilo library: Loads a list of items with fields (gpl, library)
descriptive library: Self-describing consumers/parsers; forms, cmd-line args, JSON, etc. (bsd3, library)
despair library: Despair (bsd3, library)
detrospector program: Markov chain text generator (bsd3, program)
deunicode program: Get rid of unicode (utf-8) symbols in Haskell sources (mit, program)
devil program: A small tool to make it easier to update program managed by Angel. (mit, program)
dewdrop library: Find gadgets for return-oriented programming on x86 (bsd3, library)
dfrac library: A package for precise decimal arithmatic using rationals. (library, mit)
dfsbuild program: Build Debian From Scratch CD/DVD images (gpl, program)
dgs library: Haskell front-end for DGS' bot interface (bsd3, library)
dia-base library: An EDSL for teaching Haskell with diagrams - data types (bsd3, library)
dia-functions library: An EDSL for teaching Haskell with diagrams - functions (bsd3, library)
diagrams library: Embedded domain-specific language for declarative vector graphics (bsd3, library)
diagrams-builder library: hint-based build service for the diagrams graphics EDSL. (bsd3, library)
diagrams-cairo library: Cairo backend for diagrams drawing EDSL (bsd3, library)
diagrams-canvas library: HTML5 canvas backend for diagrams drawing EDSL (bsd3, library)
diagrams-contrib library: Collection of user contributions to diagrams EDSL (bsd3, library)
diagrams-core library: Core libraries for diagrams EDSL (bsd3, library)
diagrams-gtk library: Backend for rendering diagrams directly to GTK windows (bsd3, library)
diagrams-haddock library and program: Preprocessor for embedding diagrams in Haddock documentation (bsd3, library, program)
diagrams-lib library: Embedded domain-specific language for declarative graphics (bsd3, library)
diagrams-pdf library: PDF backend for diagrams drawing EDSL (bsd3, library)
diagrams-postscript library: Postscript backend for diagrams drawing EDSL (bsd3, library)
diagrams-qrcode library: Draw QR codes to SVG, PNG, PDF or PS files. (bsd3, library)
diagrams-rasterific library: Rasterific backend for diagrams. (bsd3, library)
diagrams-svg library: SVG backend for diagrams drawing EDSL. (bsd3, library)
diagrams-tikz library: TikZ backend for diagrams drawing EDSL (bsd3, library)
dice library and program: Simplistic D&D style dice-rolling system. (library, program, public-domain)
dice-entropy-conduit library: Cryptographically secure n-sided dice via rejection sampling. (lgpl, library)
dictparser library and program: Parsec parsers for the DICT format produced by dictfmt -t (bsd3, library, program)
diet library: Discrete Interval Encoding Tree (bsd3, library)
diff-parse library: A parser for diff file formats (agpl, library)
diff3 library: Perform a 3-way difference of documents (bsd3, library)
diffarray library: DiffArray (bsd3, library)
diffcabal program: Diff two .cabal files syntactically (bsd3, program)
diffdump programs: Tools for diffing stdout (bsd3, program)
digamma library: A robust implementation of the digamma function (bsd3, library)
digest library: Various cryptographic hashes for bytestrings; CRC32 and Adler32 for now. (bsd3, library)
digest-pure library: Pure hash functions for bytestrings (library)
digestive-bootstrap library: Speed up form designing using digestive functors and bootstrap (library, mit)
digestive-functors library: A practical formlet library (bsd3, library)
digestive-functors-aeson library: Run digestive-functors forms against JSON (gpl, library)
digestive-functors-blaze library: Blaze frontend for the digestive-functors library (bsd3, library)
digestive-functors-happstack library: Happstack backend for the digestive-functors library (bsd3, library)
digestive-functors-heist library: Heist frontend for the digestive-functors library (bsd3, library)
digestive-functors-hsp library: HSP support for digestive-functors (bsd3, library)
digestive-functors-scotty library: Scotty backend for the digestive-functors library (bsd3, library)
digestive-functors-snap library: Snap backend for the digestive-functors library (bsd3, library)
digit library: A data-type representing digits 0-9 and other combinations (bsd3, library)
digits library: Converts integers to lists of digits and back. (bsd3, library)
dimensional library: Statically checked physical dimensions. (bsd3, library)
dimensional-tf library: Statically checked physical dimensions, implemented using type families. (bsd3, library)
dingo-core library: Dingo is a Rich Internet Application platform based on the Warp web server. (library, mit)
dingo-example program: Dingo Example (mit, program)
dingo-widgets library: Dingo Widgets (library, mit)
diophantine library: A quadratic diophantine equation solving library. (gpl, library)
direct-binary-files library: Serialization and deserialization monads for streams and ByteStrings. (bsd3, library)
direct-daemonize library: Library to switch to daemon mode using built-in OS facilities. (bsd3, library)
direct-fastcgi library: Native implementation of the FastCGI protocol. (bsd3, library)
direct-http library: Native webserver that acts as a library. (bsd3, library)
direct-murmur-hash library: An implementation of the MurmurHash3 algorithm (bsd3, library)
direct-plugins library: Lightweight replacement for Plugins, specific to GHC (bsd3, library)
direct-sqlite library: Low-level binding to SQLite3. Includes UTF8 and BLOB support. (bsd3, library)
directed-cubical library: Finite directed cubical complexes and associated algorithms (bsd3, library)
directory library: library for directory handling (bsd3, library)
directory-layout library: Directory layout DSL (bsd3, library)
directory-tree library: A simple directory-like tree datatype, with useful IO functions (bsd3, library)
dirfiles library: (bsd3, library)
dirstream library: Easily stream directory contents in constant memory (bsd3, library)
disassembler library: Disassembler for X86 & AMD64 machine code (bsd3, library)
discordian-calendar library: library for handling Discordian calendar dates (bsd3, library)
discount library: Haskell bindings to the discount Markdown library. (library, mit)
discrete-space-map library: A discrete space map. (bsd3, library)
disjoint-set library: Persistent disjoint-sets, a.k.a union-find. (bsd3, library)
disjoint-sets-st library: Imperative ST/IO based disjoint set data structure. (bsd3, library)
disk-free-space library: Retrieve information about disk space usage (bsd3, library)
dist-upload library and program: Generate/Upload cabal package to Hackage. (gpl, library, program)
distributed-process library: Cloud Haskell: Erlang-style concurrency in Haskell (bsd3, library)
distributed-process-async library: Cloud Haskell Async API (bsd3, library)
distributed-process-azure library: Microsoft Azure backend for Cloud Haskell (bsd3, library)
distributed-process-client-server library: The Cloud Haskell Application Platform (bsd3, library)
distributed-process-execution library: Execution Framework for The Cloud Haskell Application Platform (bsd3, library)
distributed-process-extras library: Cloud Haskell Extras (bsd3, library)
distributed-process-monad-control library: Orphan instances for MonadBase and MonadBaseControl. (bsd3, library)
distributed-process-p2p library and program: Peer-to-peer node discovery for Cloud Haskell (bsd3, library, program)
distributed-process-platform library: The Cloud Haskell Application Platform (bsd3, library)
distributed-process-registry library: Cloud Haskell Extended Process Registry (bsd3, library)
distributed-process-simplelocalnet library: Simple zero-configuration backend for Cloud Haskell (bsd3, library)
distributed-process-supervisor library: Supervisors for The Cloud Haskell Application Platform (bsd3, library)
distributed-process-task library: Task Framework for The Cloud Haskell Application Platform (bsd3, library)
distributed-process-tests library: Tests for distributed-process. (bsd3, library)
distributed-static library: Compositional, type-safe, polymorphic static values and closures (bsd3, library)
distribution library: Finite discrete probability distributions. (apache, library)
distribution-plot library: Easily plot distributions from the distribution package.. (apache, library)
distributive library: Distributive functors -- Dual to Traversable (bsd3, library)
diversity library and program: Return the diversity at each position for all sequences in a fasta file (gpl, library, program)
djinn program: Generate Haskell code from a type (bsd3, program)
djinn-ghc library: Generate Haskell code from a type. Bridge from Djinn to GHC API. (bsd3, library)
djinn-lib library: Generate Haskell code from a type. Library extracted from djinn package. (bsd3, library)
djinn-th library: Generate executable Haskell code from a type (bsd3, library)
dlist library: Difference lists (bsd3, library)
dlist-instances library: Difference lists instances (bsd3, library)
dns library: DNS library in Haskell (bsd3, library)
dnscache library and program: Caching DNS resolver library and mass DNS resolver utility (bsd3, library, program)
dnsrbl library: Asynchronous DNS RBL lookup (bsd3, library)
dnssd library: DNS service discovery bindings (bsd3, library)
doc-review program: Document review Web application, like http://book.realworldhaskell.org/ (bsd3, program)
doccheck program: Checks Haddock comments for pitfalls and version changes. (gpl, program)
docidx program: Generate an HTML index of installed Haskell packages and their documentation. (bsd3, program)
docker library: Haskell wrapper for Docker Remote API (bsd3, library)
dockercook library and program: A build tool for multiple docker image layers (library, mit, program)
docopt library: A command-line interface parser that will make you smile (library, mit)
doctest library and program: Test interactive Haskell examples (library, mit, program)
doctest-discover library and program: Easy way to run doctests via cabal (library, program, public-domain)
doctest-discover-configurator library and program: Easy way to run doctests via cabal (no aeson dependency, uses configurator instead) (deprecated, library, program, public-domain)
doctest-prop library: Allow QuickCheck-style property testing within doctest. (library, mit)
dom-lt library: The Lengauer-Tarjan graph dominators algorithm. (bsd3, library)
dom-selector library: DOM traversal by CSS selectors for xml-conduit package (bsd3, library)
domain-auth library: Domain authentication library (bsd3, library)
dominion library and program: A simulator for the board game Dominion. (bsd3, library, program)
domplate library: A simple templating library using HTML5 as its template language. (bsd3, library)
dot2graphml program: Converter from GraphViz .dot format to yEd GraphML (bsd3, program)
dotfs library and program: Filesystem to manage and parse dotfiles (bsd3, library, program)
dotgen library: A simple interface for building .dot graph files. (bsd3, library)
double-conversion library: Fast conversion between double precision floating point and text (bsd3, library)
dow program: Dungeons of Wor (bsd3, program)
download library: High-level file download based on URLs (bsd3, library)
download-curl library: High-level file download based on URLs (bsd3, library)
download-media-content program: Simple tool to download images from RSS feeds (e.g. Flickr, Picasa) (bsd3, program)
dph-base library: Data Parallel Haskell common config and debugging functions. (bsd3, library)
dph-examples programs: Data Parallel Haskell example programs. (bsd3, program)
dph-lifted-base library: Data Parallel Haskell common definitions used by other dph-lifted packages. (bsd3, library)
dph-lifted-copy library: Data Parallel Haskell lifted array combinators. (deprecated version) (bsd3, library)
dph-lifted-vseg library: Data Parallel Haskell lifted array combinators. (bsd3, library)
dph-par library: (deprecated) (bsd3, library)
dph-prim-interface library: Data Parallel Haskell segmented arrays. (abstract interface) (bsd3, library)
dph-prim-par library: Data Parallel Haskell segmented arrays. (production version) (bsd3, library)
dph-prim-seq library: Data Parallel Haskell segmented arrays. (sequential implementation) (bsd3, library)
dph-seq library: (deprecated) (bsd3, library)
dpkg library: libdpkg bindings (gpl, library)
drClickOn library: Monadic FRP (library, public-domain)
drawille library: A port of asciimoo's drawille to haskell (gpl, library)
drifter library: Simple schema management for arbitrary databases. (library, mit)
dropbox-sdk library: A library to access the Dropbox HTTP API. (library, mit)
dropsolve program: A command line tool for resolving dropbox conflicts. Deprecated! Please use confsolve. (bsd3, deprecated, program)
ds-kanren library: A subset of the miniKanren language (library, mit)
dsmc library: DSMC library for rarefied gas dynamics (bsd3, library)
dsmc-tools programs: DSMC toolkit for rarefied gas dynamics (bsd3, program)
dson library: Haskell DogeScript Object Notation Parser (gpl, library)
dson-parsec library: DSON parser. (library, mit)
dsp library: Haskell Digital Signal Processing (gpl, library)
dstring library: Difference strings (bsd3, library)
dtab library and program: Harmonix (Guitar Hero, Rock Band) DTA/DTB metadata library (gpl, library, program)
dtd library: Parse and render DTD files (deprecated) (bsd3, deprecated, library)
dtd-text library: Parse and render XML DTDs (bsd3, library)
dtd-types library: Basic types for representing XML DTDs (bsd3, library)
dtrace library: Haskell interface to the DTrace system tracing utility (bsd3, library)
dual-tree library: Rose trees with cached and accumulating monoidal annotations (bsd3, library)
duplo library and program: Frontend development build tool (library, mit, program)
dvda library: Efficient automatic differentiation and code generation (bsd3, library)
dvdread library: A monadic interface to libdvdread (gpl, library)
dvi-processing library: Read/write DVI and TFM file (library, public-domain)
dvorak library: Dvorak encoding for Haskell. (bsd3, library)
dwarf library: Parser for DWARF debug format. (bsd3, library)
dwarf-el library: Parser for DWARF debug format. (bsd3, library)
dwarfadt library and programs: High-level wrapper around the dwarf library (bsd3, library, program)
dx9base library: Backend for a binding to the Microsoft DirectX 9 API. (bsd3, library)
dx9d3d library: A binding to the Microsoft DirectX 9 API. (bsd3, library)
dx9d3dx library: A binding to the Microsoft DirectX 9 D3DX API. (bsd3, library)
dynamic-cabal library: Access the functions from the Cabal library without depending on it (bsd3, library)
dynamic-graph library: Draw and update graphs in real time with OpenGL (bsd3, library)
dynamic-linker-template library: Automatically derive dynamic linking methods from a data type. (bsd3, library)
dynamic-loader library: lightweight loader of GHC-based modules or packages (bsd3, library)
dynamic-mvector library: A wrapper around MVector that enables pushing, popping and extending. (bsd3, library)
dynamic-object library: Object-oriented programming with duck typing and singleton classes. (bsd3, library)
dynamic-plot library: Interactive diagram windows (gpl, library)
dynamic-state library: Optionally serializable dynamic state keyed by type (gpl, library)
dyre library: Dynamic reconfiguration in Haskell (bsd3, library)
dzen-utils library: Utilities for creating inputs for dzen. (gpl, library)
eager-sockets library: Socket operations with timeouts (deprecated, library)
easy-api library: Utility code for building HTTP API bindings more quickly. (library, mit)
easy-file library: Cross-platform File handling (bsd3, library)
easyjson library: Haskell JSON library with an emphasis on simplicity, minimal dependencies, and ease of use. (library, mit)
easyplot library: A tiny plotting library, utilizes gnuplot for plotting. (library, mit)
easyrender library: User-friendly creation of EPS, PostScript, and PDF files (gpl, library)
ebeats library: Time in ebeats (bsd3, library)
ec2-signature library: The Amazon EC2 style signature calculator. (bsd3, library)
ecdsa library: Basic ECDSA signing implementation (library)
ecma262 library and program: A ECMA-262 interpreter library (bsd2, interpreter, javascript, library, program)
ecu programs: Tools for automotive ECU development. (bsd3, program)
ed25519 library: ed25519 cryptographic signatures (crypto, cryptography, library, mit)
eddie program: Command line file filtering with haskell (bsd3, program)
ede library: Templating language with similar syntax and features to Liquid or Jinja2. (library)
edenmodules library: Semi-explicit parallel programming library (bsd3, library)
edenskel library: Semi-explicit parallel programming skeleton library (bsd3, library)
edentv program: A Tool to Visualize Parallel Functional Program Executions (gpl, program)
edge program: Top view space combat arcade game (gpl, program)
edit-distance library: Levenshtein and restricted Damerau-Levenshtein edit distances (bsd3, library)
edit-lenses library: Symmetric, stateful edit lenses (bsd3, library)
edit-lenses-demo program: Programs demoing the use of symmetric, stateful edit lenses (bsd3, program)
editable library: Interactive editors for Generics (bsd2, library)
editline library: Bindings to the editline library (libedit). (bsd3, library)
effect-handlers library: A library for writing extensible algebraic effects and handlers. Similar to extensible-effects but with deep handlers. (library, mit)
effect-monad library: Embeds effect systems into Haskell using parameteric effect monads (bsd3, library)
effective-aspects library: A monadic embedding of aspect oriented programming (library)
effective-aspects-mzv library: A monadic embedding of aspect oriented programming, using "Monads, Zippers and Views" instead of mtl. (library)
effects library: Computational Effects (bsd3, library)
effects-parser library: Parser Effect for the Control.Effects Library (bsd3, library)
effin library: A Typeable-free implementation of extensible effects (bsd3, library)
egison library and program: Programming language with non-linear pattern-matching against unfree data (library, mit, program)
egison-quote library: A quasi quotes for using Egison expression in Haskell code (library, mit)
egison-tutorial program: A tutorial program for the Egison programming language (mit, program)
ehaskell program: like eruby, ehaskell is embedded haskell. (gpl, program)
ehs library: embedded Haskell by using quasiquotes. (library, mit)
eibd-client-simple library: EIBd Client (automation, eib, gpl, knx, library)
eigen library: Haskel binding for Eigen library (bsd3, library)
either library: An either monad transformer (bsd3, library)
either-unwrap library: Functions for probing and unwrapping values inside of Either. (bsd3, deprecated, library)
eithers library: None (bsd3, deprecated, library)
ekg library: Remote monitoring of processes (bsd3, library)
ekg-bosun library: Send ekg metrics to a Bosun instance (bsd3, library)
ekg-carbon library: An EKG backend to send statistics to Carbon (part of Graphite monitoring tools) (bsd3, library)
ekg-core library: Tracking of system metrics (bsd3, library)
ekg-log library: Push metrics to a log file. (bsd3, library)
ekg-rrd library: Passes ekg statistics to rrdtool (bsd3, library)
ekg-statsd library: Push metrics to statsd (bsd3, library)
electrum-mnemonic library: easy to remember mnemonic for a high-entropy value (gpl, library)
elerea library: A minimalistic FRP library (bsd3, library)
elerea-examples programs: Example applications for Elerea (bsd3, program)
elerea-sdl library: Elerea FRP wrapper for SDL (library)
elevator library: Immediately lifts to a desired level (bsd3, library)
elf library: Parser for ELF object format. (bsd3, library)
elm-build-lib library: Compile Elm code to JS within Haskell (bsd3, library)
elm-compiler library and program: Values to help with elm-package, elm-make, and elm-lang.org. (bsd3, library, program)
elm-core-sources library: Source files for the Elm runtime and standard libraries (bsd3, elm, language, library)
elm-get library and program: Tool for sharing and using Elm libraries (bsd3, deprecated, library, program)
elm-make program: A build tool for Elm projects (bsd3, program)
elm-package library and program: Package manager for Elm libraries (bsd3, library, program)
elm-reactor program: Interactive development tool for Elm programs (bsd3, program)
elm-repl program: a REPL for Elm (bsd3, program)
elm-server program: Server for developing Elm projects (bsd3, deprecated, program)
elm-yesod library: The Elm language Yesod compatibility module. (bsd3, library)
email library: Sending eMail in Haskell made easy (bsd3, deprecated, library)
email-header library: Parsing and rendering of email and MIME headers (bsd3, library)
email-postmark library: A simple wrapper to send emails via the api of the service postmark (http://postmarkapp.com/) (bsd3, deprecated, library)
email-validate library: Validating an email address string against RFC 5322 (bsd3, library)
email-validator program: Perform basic syntax and deliverability checks on email addresses. (gpl, program)
embeddock library and program: Embed the values in scope in the haddock documentation of the module (bsd3, library, program)
embeddock-example library: Example of using embeddock. (bsd3, library)
embroidery library and program: support for embroidery formats in haskell (gpl, library, program)
emgm library: Extensible and Modular Generics for the Masses (bsd3, library)
empty library: Ceci n'est pas une package (bsd3, deprecated, library)
enclosed-exceptions library: Catching all exceptions from within an enclosed computation (library, mit)
encoding library: A library for various character encodings (bsd3, library)
endo library: Endomorphism utilities. (bsd3, library)
engine-io library: A Haskell implementation of Engine.IO (bsd3, library)
engine-io-snap library: (bsd3, library)
engine-io-yesod library: (bsd3, library)
engineering-units library: A numeric type for managing and automating engineering units. (bsd3, library)
entropy library: A platform independent entropy source (bsd3, library)
enumerable library: A typeclass for enumerating all values a type (bsd3, library)
enumeration library: A practical API for building recursive enumeration procedures and enumerating datatypes. (bsd3, library)
enumerator library: Reliable, high-performance processing with left-fold enumerators (deprecated, library, mit)
enumerator-fd library: Enumerator instances for monads-fd classes (library, mit)
enumerator-tf library: Enumerator instances for monads-tf classes (library, mit)
enumfun library: Finitely represented /total/ EnumMaps (bsd3, library)
enummapmap library: Map of maps using Enum types as keys (bsd3, library)
enummapset library: IntMap and IntSet with Enum keys/elements. (bsd3, library)
enummapset-th library: TH-generated EnumSet/EnumMap wrappers around IntSet/IntMap. (bsd3, library)
enumset library: Sets of enumeration values represented by machine words (bsd3, library)
env-parser library: Pull configuration information from the ENV (library, mit)
envparse library: Parse environment variables (bsd2, library)
epanet-haskell library: Haskell binding for EPANET (gpl, library)
epass library: Baisc, Erlang-like message passing supporting sockets. (bsd3, library)
epic library and program: Compiler for a simple functional language (bsd3, library, program)
epoll library: epoll bindings (lgpl, library)
eprocess library: *Very* basic Erlang-like process support for Haskell (bsd3, library)
epub library and program: EPUB E-Book construction support library (bsd3, deprecated, library, program)
epub-metadata library: Library for parsing epub document metadata (bsd3, library)
epub-tools programs: Command line utilities for working with epub files (bsd3, program)
epubname program: Rename epub ebook files based on meta information (bsd3, deprecated, program)
eq library: Leibnizian equality (bsd3, library)
equal-files program: Shell command for finding equal files (gpl, program)
equational-reasoning library: Proof assistant for Haskell using DataKinds & PolyKinds (bsd3, library)
equivalence library: Maintaining an equivalence relation implemented as union-find using STT. (bsd3, library)
erd program: An entity-relationship diagram generator from a plain text description. (program, public-domain)
erf library: The error function, erf, and related functions. (bsd3, library)
erf-native library: Native Haskell implementation of the interface from the erf package (gpl, library)
erlang library: FFI interface to Erlang. (gpl, library)
eros library: A text censorship library. (bsd3, library)
eros-client program: DEPRECATED in favor of eros-http (bsd3, program)
eros-http program: JSON HTTP interface to Eros. (bsd3, program)
errno library: a FFI utility (bsd3, library)
error-continuations library: Error Continuations (library, public-domain)
error-loc library: An error replacement with call-site metadata. (library, mit)
error-location library: error functions that show file location information (bsd3, deprecated, library)
error-message library: Composable error messages. (bsd3, library)
errorcall-eq-instance library: An orphan Eq instance for ErrorCall (library, mit)
errors library: Simplified error-handling (bsd3, library)
ersatz library: A monad for expressing SAT or QSAT problems using observable sharing. (bsd3, library)
ersatz-toysat library: toysat driver as backend for ersatz (bsd3, library)
ert library and program: Easy Runtime Templates (gpl, library, program)
esotericbot library and program: Esotericbot is a sophisticated, lightweight IRC bot. (bsd3, library, program)
esqueleto library: Type-safe EDSL for SQL queries on persistent backends. (bsd3, library)
estimator library: State-space estimation algorithms such as Kalman Filters (bsd3, library)
estimators library: Tool for managing probability estimation (bsd3, library)
estreps programs: Repeats from ESTs (gpl, program)
etcd library: Client for etcd, a highly-available key value store (library)
eternal library: everything breaking the Fairbairn threshold (bsd3, library)
ethereum-client-haskell programs: A Haskell version of an Ethereum client (bsd3, program)
ethereum-merkle-patricia-db library: A modified Merkle Patricia DB (bsd3, library)
ethereum-rlp library: Ethereum Recursive Length Prefix Encoding (bsd3, library)
ety library and program: Random etymology online entry. (bsd3, library, program)
eurofxref library: Free foreign exchange/currency feed from the European Central Bank (bsd3, library)
event-driven library: library for event driven programming (bsd3, library)
event-handlers library: Event handlers (library, public-domain)
event-list library: Event lists with relative or absolute time stamps (gpl, library)
event-monad library: Event-graph simulation monad transformer (library, public-domain)
eventstore library: EventStore TCP Client (bsd3, library)
every-bit-counts library: A functional pearl on encoding and decoding using question-and-answer strategies (bsd3, library)
ewe program: An language using in Programming Languages teaching (bsd3, program)
ex-pool library: Another fork of resource-pool, with a MonadIO and MonadCatch constraint (bsd3, library)
exact-combinatorics library: Efficient exact computation of combinatoric functions. (bsd3, library)
exception-mailer library: Catch all runtime exceptions and send an email (bsd3, library)
exception-monads-fd library: Exception monad transformer instances for monads-fd classes. (bsd3, deprecated, library)
exception-monads-tf library: Exception monad transformer instances for monads-tf classes. (bsd3, library)
exception-mtl library: Exception monad transformer instances for mtl2 classes. (bsd3, library)
exception-transformers library: Type classes and monads for unchecked extensible exceptions. (bsd3, library)
exceptions library: Extensible optionally-pure exceptions (bsd3, library)
executable-path library: Finding out the full path of the executable. (library, public-domain)
exhaustive library: Compile time checks that a computation considers producing data through all possible constructors (bsd3, library)
exif library: A Haskell binding to a subset of libexif (bsd3, library)
exists library: Existential datatypes holding evidence of constraints (bsd3, library)
exp-pairs library: Linear programming over exponent pairs (gpl, library)
expand library: Extensible Pandoc (lgpl, library)
expat-enumerator library: Enumerator-based API for Expat (deprecated, library, mit)
expiring-cache-map library: General purpose simple caching. (bsd3, library)
expiring-mvar library: Create values which expire after a period of time. (bsd3, library)
explain program: Show how expressions are parsed (mit, program)
explicit-determinant library: explicit computation of determinant of small matrices (gpl, library)
explicit-exception library: Exceptions which are explicit in the type signature. (bsd3, library)
explicit-iomodes library: File handles with explicit IOModes (bsd3, library)
explicit-iomodes-bytestring library: Extends explicit-iomodes with ByteString operations (bsd3, library)
explicit-iomodes-text library: Extends explicit-iomodes with Text operations (bsd3, library)
explicit-sharing library: Explicit Sharing of Monadic Effects (library, public-domain)
explore program: Experimental Plot data Reconstructor (bsd3, program)
exposed-containers library: A distribution of the 'containers' package, with all modules exposed. (bsd3, library)
expression-parser library: Generalization of parsec's expression parser. (bsd3, library)
extcore library: Libraries for processing GHC Core (bsd3, library)
extemp program: automated printing for extemp speakers (bsd3, program)
extended-categories library: Extended Categories (bsd3, library)
extended-reals library: Extension of real numbers with positive/negative infinities (bsd3, library)
extensible library: Extensible, efficient, lens-friendly data types (bsd3, library)
extensible-data library: Sums/products/lists/trees which can be extended in other modules (library, public-domain)
extensible-effects library: An Alternative to Monad Transformers (library, mit)
extensible-exceptions library: Extensible exceptions (bsd3, library)
external-sort library: Sort large arrays on your hard drive. Kind of like the unix util sort. (bsd3, library)
extra library: Extra functions I use. (bsd3, library)
extractelf program: Extract an ELF's metadata and sections into files (bsd3, program)
ez-couch library: A high level static library for working with CouchDB (library, mit)
faceted library: Faceted computation for dynamic information flow security (apache, library)
factory library and program: Rational arithmetic in an irrational world. (gpl, library, program)
factual-api library: A driver for the Factual API (bsd3, library)
fad library: Forward Automatic Differentiation. (bsd3, library)
failable-list library: A list-like type for lazy streams, which might terminate with an error. (bsd3, deprecated, library)
failure library: A simple type class for success/failure computations. (deprecated) (bsd3, deprecated, library)
fair-predicates library: Fair Predicates (library, public-domain)
faker library: Pure Haskell library for generating fake data (library, mit)
falling-turnip program: Falling sand game/cellular automata simulation using regular parallel arrays. (bsd3, program)
fallingblocks program: A fun falling blocks game. (gpl, program)
family-tree library: A family tree library for the Haskell programming language. (bsd3, library)
fast-logger library: A fast logging system (bsd3, library)
fast-math library: Non IEEE-754 compliant compile-time floating-point optimisations (bsd3, library)
fast-tags program: Fast incremental vi tags. (bsd3, program)
fast-tagsoup library: Fast parser for tagsoup package (bsd3, library)
fast-tagsoup-utf8-only library: Fast parser for tagsoup package (bsd3, library)
fasta library: A simple, mindless parser for fasta files. (gpl, library)
fastbayes library: Bayesian modeling algorithms accelerated for particular model structures (library, mit)
fastcgi library: A Haskell library for writing FastCGI programs (bsd3, library)
fastirc library: Fast Internet Relay Chat (IRC) library (bsd3, library)
fault-tree library: A fault tree analysis library. (bsd3, library)
fay library and program: A compiler for Fay, a Haskell subset that compiles to JavaScript. (bsd3, library, program)
fay-base library: The base package for Fay. (bsd3, library)
fay-builder library: Compile Fay code on cabal install, and ad-hoc recompile during development (bsd3, library)
fay-dom library: DOM FFI wrapper library for Fay (bsd3, library)
fay-hsx library: Clientside HTML generation for fay. (bsd3, library)
fay-jquery library: jQuery bindings for Fay. (bsd3, library)
fay-ref library: Like IORef but for Fay. (bsd3, library)
fay-text library: Fay Text type represented as JavaScript strings (library, mit)
fay-uri library: Persistent FFI bindings for using jsUri in Fay (bsd3, library)
fb library: Bindings to Facebook's API. (bsd3, library)
fb-persistent library: Provides Persistent instances to Facebook types. (bsd3, library)
fca library: Algo for Formal Concept Analysis (agpl, library)
fcd library and program: A faster way to navigate directories using the command line. (library, mit, program)
fckeditor library: Server-Side Integration for FCKeditor (bsd3, library)
fclabels library: First class accessor labels implemented as lenses. (bsd3, library)
fclabels-monadlib library: MonadLib monadic interface for the "fclabels" package. (bsd3, library)
fdo-notify library: Desktop Notifications client (bsd3, library)
fdo-trash library and program: Utilities related to freedesktop Trash standard. (bsd3, library, program)
feature-flags library: A simple library for dynamically enabling and disabling functionality. (library, mit)
fec library: Forward error correction of ByteStrings (gpl, library)
fedora-packages library: Haskell interface to the Fedora Packages webapp API. (bsd3, library)
feed library: Interfacing with RSS (v 0.9x, 2.x, 1.0) + Atom feeds. (bsd3, library)
feed-cli program: A simple command line interface for creating and updating feeds like RSS (bsd3, program)
feed2lj program: (unsupported) (bsd3, deprecated, program)
feed2twitter library and program: Send posts from a feed to Twitter (bsd3, library, program)
feldspar-compiler library: Compiler for the Feldspar language (bsd3, library)
feldspar-language library: A functional embedded language for DSP and parallelism (bsd3, library)
fences library: To be written (gpl, library)
fenfire programs: Graph-based notetaking system (gpl, program)
fez-conf library: Simple functions for loading config files (bsd3, library)
ffeed library and programs: Haskell binding to the FriendFeed API (bsd3, library, program)
fficxx library: automatic C++ binding generation (bsd3, library)
fficxx-runtime library: Runtime for fficxx-generated library (bsd3, library)
ffmpeg-light library: Minimal bindings to the FFmpeg library. (bsd3, library)
ffmpeg-tutorials programs: Tutorials on ffmpeg usage to play video/audio (bsd3, program)
fft library: Bindings to the FFTW library. (bsd3, library)
fgl library: Martin Erwig's Functional Graph Library (bsd3, library)
fgl-extras-decompositions library: Graph decomposition algorithms (bsd3, library)
fgl-visualize library: Convert FGL graphs to dot (graphviz) files (bsd3, library)
fibon programs: Tools for running and analyzing Haskell benchmarks (bsd3, program)
fibonacci library: Fast computation of Fibonacci numbers. (bsd3, library)
fields library: First-class record field combinators with infix record field syntax. (bsd3, library)
fields-json library: Abusing monadic syntax JSON objects generation. (bsd3, library)
fieldwise library: Provides Fieldwise typeclass for operations of fields of records treated as independent components. (bsd2, library)
fig library: Manipulation of FIG files (bsd3, library)
file-command-qq library: Quasiquoter for system commands involving filepaths (library, mit)
file-embed library: Use Template Haskell to embed file contents directly. (bsd3, library)
file-location library: common functions that show file location information (bsd3, library)
filecache library: A Linux-only cache system associating values to files. (bsd3, library)
filelock library: Portable interface to file locking (flock / LockFileEx) (library, public-domain)
filemanip library: Expressive file and directory manipulation for Haskell. (bsd3, library)
filepath library: Library for manipulating FilePaths in a cross platform way. (bsd3, library)
filepath-io-access library: IO Access for filepath (gpl, library)
filepather library: Functions on System.FilePath (bsd3, library)
filestore library: Interface for versioning file stores. (bsd3, library)
filesystem-conduit library: Use system-filepath data types with conduits. (deprecated) (deprecated, library, mit)
filesystem-enumerator library: Enumerator-based API for manipulating the filesystem. (deprecated, library, mit)
filesystem-trees library: Recursively manipulate and traverse filesystems as lazy rose trees. (bsd3, library)
final library: utility to add extra safety to monadic returns (bsd3, library)
find-conduit library: A file-finding conduit that allows user control over traversals. (library, mit)
fingertree library: Generic finger-tree structure, with example instances (bsd3, library)
fingertree-psqueue library: Implementation of priority search queues as finger trees. (bsd3, library)
fingertree-tf library: Generic finger-tree structure using type families. (bsd3, library)
finite-field library: Finite Fields (bsd3, library)
first-class-patterns library: First class patterns and pattern matching, using type families (bsd3, library)
firstify library and program: Defunctionalisation for Yhc Core (bsd3, library, program)
fishfood program: Calculates file-size frequency-distribution. (gpl, program)
fit library: FIT file decoder (bsd3, library)
fitsio library: A library for reading and writing data files in the FITS data format. (gpl, library)
fix-imports program: Program to manage the imports of a haskell module (bsd3, program)
fix-parser-simple library: Simple fix-expression parser (lgpl, library)
fix-symbols-gitit library: Gitit plugin: Turn some Haskell symbols into pretty math symbols. (bsd3, library)
fixed library: Signed 15.16 precision fixed point arithmetic (bsd3, library)
fixed-list library: A fixed length list type (bsd3, library)
fixed-point library: Binary fixed-point arithmetic (library, mit)
fixed-point-vector library: Unbox instances for the fixed-point package (library, mit)
fixed-point-vector-space library: vector-space instances for the fixed-point package (library, mit)
fixed-precision library: Fixed Precision Arithmetic (bsd3, library)
fixed-storable-array library: Fixed-size wrapper for StorableArray, providing a Storable instance. Deprecated - use storable-static-array instead. (bsd3, library)
fixed-vector library: Generic vectors with statically known size. (bsd3, library)
fixed-vector-binary library: Binary instances for fixed-vector (bsd3, library)
fixed-vector-cereal library: Cereal instances for fixed-vector (bsd3, library)
fixed-vector-hetero library: Generic heterogeneous vectors (bsd3, library)
fixedprec library: A fixed-precision real number type (bsd3, library)
fixhs library and program: FIX (co)parser (lgpl, library, program)
fixplate library: Uniplate-style generic traversals for optionally annotated fixed-point types. (bsd3, library)
fixpoint library: Data types as fixpoints (bsd3, library)
fixtime library: Some fixes to the time package (bsd2, library)
fizz-buzz library: Functional Fizz/Buzz (bsd3, library)
flaccuraterip program: Verify FLAC files ripped form CD using AccurateRip™ (gpl, program)
flamethrower library: A template engine for HTML (library, mit)
flat-mcmc library: Painless general-purpose sampling. (bsd3, library)
flexible-defaults library: Generate default function implementations for complex type classes. (library, public-domain)
flexible-unlit library and program: A configurable reimplementation of unlit (bsd3, library, program)
flexiwrap library: Flexible wrappers (bsd3, library)
flexiwrap-smallcheck library: SmallCheck (Serial) instances for flexiwrap (bsd3, library)
flickr library and programs: Haskell binding to the Flickr API (bsd3, library, program)
flippers library: Variations on flip for multiple arguments (bsd3, library)
flite library: f-lite compiler, interpreter and libraries (bsd3, library)
flo library and program: Generate flow charts from your code base. (bsd3, library, program)
float-binstring library: C99 printf "%a" style formatting and parsing (bsd3, library)
floating-bits library: Conversions between floating and integral values. (bsd3, library)
floatshow library: Alternative faster String representations for Double and Float, String representations for more general numeric types. (bsd3, library)
flock library: Wrapper for flock(2) (library)
flow2dot library and program: Library and binary to generate sequence/flow diagrams from plain text source (bsd3, library, program)
flowdock library: Flowdock client library for Haskell (library, mit)
flowdock-api library and program: API integration with Flowdock. (library, mit, program)
flower programs: Analyze 454 flowgrams (.SFF files) (gpl, program)
flowsim programs: Simulate 454 pyrosequencing (gpl, program)
fluent-logger library: A structured logger for Fluentd (Haskell) (apache, library)
fluent-logger-conduit library: Conduit interface for fluent-logger (library)
fluidsynth library: Haskell bindings to FluidSynth (library, mit)
fmark program: A Friendly Markup language without syntax. (bsd3, program)
fmlist library: FoldMap lists (bsd3, library)
focus library: A general abstraction for manipulating elements of container data structures (library, mit)
foldl library: Composable, streaming, and efficient left folds (bsd3, library)
foldl-incremental library: incremental folds (library, mit)
folds library: Beautiful Folding (bsd3, library)
folds-common library: A playground of common folds for folds (library, mit)
follower program: Follow Tweets anonymously (gpl, program)
font-opengl-basic4x6 library and program: Basic4x6 font for OpenGL (library, program, public-domain)
foo program: Paper soccer, an OpenGL game. (gpl, program)
for-free library: Functor, Monad, MonadPlus, etc for free (library, public-domain)
force-layout library: Simple force-directed layout (bsd3, library)
fordo program: Run a command on files with magic substituion support (sequencing and regexp) (gpl, program)
foreign-storable-asymmetric library: Types and instances for implementing a Storable with different peek and poke (bsd3, library)
foreign-store library: Store a stable pointer in a foreign context to be retrieved later. Persists through GHCi reloads. (bsd3, library)
forkable-monad library: An implementation of forkIO for monad stacks. (bsd3, library)
formal program: A statically typed, functional programming language (mit, program)
format library: Rendering from and scanning to format strings (library, mit)
format-status program: A utility for writing the date to dzen2. (mit, program)
formatting library: Combinator-based type-safe formatting (like printf() or FORMAT) (bsd3, library)
forml program: A statically typed, functional programming language (mit, program)
formlets library: Formlets implemented in Haskell (bsd3, deprecated, library)
formlets-hsp library: HSP support for Formlets (bsd3, deprecated, library)
forth-hll library: A simple eDSL for generating arrayForth code. (deprecated, gpl, library)
fountain library: A fountain codec. (bsd3, library)
fpco-api library: Simple interface to the FP Complete IDE API. (bsd3, library)
fpipe library: F#-style composition and application (bsd3, library)
fpnla library: A library for NLA operations (bsd3, library)
fpnla-examples library: Example implementations for FPNLA library (bsd3, library)
fptest programs: IEEE754r floating point conformance tests (bsd3, program)
fquery program: Installed package query tool for Gentoo Linux (program)
fractal program: Draw Newton, Julia and Mandelbrot fractals (bsd3, program)
fraction library: Fractions (bsd3, library)
frag program: A 3-D First Person Shooter Game (gpl, program)
frame library and program: A simple web framework. (bsd3, library, program)
frame-markdown library: A markdown to Frame GUI writer for Pandoc (bsd3, library)
franchise library: A package for configuring and building Haskell software (bsd3, library)
free library: Monads for free (bsd3, library)
free-functors library: Provides free functors that are adjoint to functors that forget class constraints. (bsd3, library)
free-game library: Create games for free (bsd3, library)
free-operational library: Operational Applicative, Alternative, Monad and MonadPlus from free types. (bsd3, library)
free-theorems library: Automatic generation of free theorems. (library, public-domain)
free-theorems-counterexamples library and program: Automatically Generating Counterexamples to Naive Free Theorems (library, program, public-domain)
free-theorems-seq library: Taming Selective Strictness (library, public-domain)
free-theorems-seq-webui program: Taming Selective Strictness (program, public-domain)
free-theorems-webui programs: CGI-based web interface for the free-theorems package. (program, public-domain)
freekick2 programs: A soccer game (gpl, program)
freenect library: Interface to the Kinect device. (bsd3, library)
freesect program: A Haskell syntax extension for generalised sections (bsd3, program)
freesound library and program: Access the Freesound Project database (bsd3, library, program)
freetype-simple library: Single line text rendering for OpenGL ES (library, public-domain)
freetype2 library: Haskell binding for FreeType 2 library (bsd3, library)
fresh library: Introduce fresh variables into Haskell source code (library, mit)
friday library: A functional image processing library for Haskell. (lgpl, library)
friday-devil library: Uses the DevIL C library to read and write images from and to files and memory buffers. (lgpl, library)
friendly-time library: Print time information in friendly ways (bsd3, library)
frisby library: Linear time composable parser for PEG grammars (bsd3, library)
frquotes library and program: Lexical extension for Quasi-Quotations using French-Quotes (bsd3, library, program)
fs-events library: A haskell binding to the FSEvents API (bsd3, library)
fsharp library: some F# operators, high priority pipes (bsd3, deprecated, library)
fsmActions library: Finite state machines and FSM actions (bsd3, library)
fsnotify library: Cross platform library for file change notification. (bsd3, library)
fst library and program: Finite state transducers (bsd3, library, program)
fsutils library: File system utilities for Haskell that are missing from built in libraries. (library, mit)
fswatcher program: Watch a file/directory and run a command when it's modified (bsd3, program)
ftdi library: A thin layer over USB to communicate with FTDI chips (bsd3)
ftp-conduit library: FTP client package with conduit interface based off http-conduit (bsd3, library)
ftphs library: FTP Client and Server Library (lgpl, library)
ftree library: Depth-typed functor-based trees, both top-down and bottom-up (bsd3, library)
ftshell program: Shell interface to the FreeTheorems library. (program, public-domain)
fugue library: A recapitulated prelude with minimal dependencies and profligate exports. (bsd3, library)
full-sessions library: a monad for protocol-typed network programming (bsd3, library)
full-text-search library: In-memory full text search engine (bsd3, library)
fullstop library and program: Simple sentence segmenter (bsd3, library, program)
funcmp library: Functional MetaPost (gpl, library)
function-combine library: Combining functions (bsd3, library)
function-instances-algebra library: Instances of the Algebra.* classes for functions (bsd3, library)
functional-arrow library: Combinators that allow for a more functional/monadic style of Arrow programming (bsd3, library)
functor-apply library: This package has been subsumed by semigroupoids (bsd3, deprecated, library)
functor-combo library: Functor combinators with tries & zippers (bsd3, library)
functor-infix library: Compositions of functors. (library, mit)
functor-monadic library: Monad-style combinators for functors. (apache, library)
functorm library: Data.FunctorM (compatibility package) (bsd3, library)
functors library: (.:) and friends, syntax for Functor and Applicative. (bsd3, library)
funion program: A unioning file-system using HFuse (bsd3, program)
funpat library: A generalization of pattern matching (bsd3, library)
funsat library and program: A modern DPLL-style SAT solver (bsd3, library, program)
futun program: Simple IP-over-UDP tunnel using TUNTAP (gpl, program)
future library: Supposed to mimics and enhance proposed C++ "future" features (bsd3, library)
future-resource library: realtime resource handling with manual concurrency (lgpl, library)
fuzzcheck library: A simple checker for stress testing monadic code (bsd3, library)
fuzzy-timings library: Translates high-level definitions of "fuzzily" scheduled objects (e.g. play this commercial 10 times per hour between 9:00-13:00) to a list of accurately scheduled objects using glpk-hs. (library, mit)
fuzzytime library and program: A 'ten past six' style clock (gpl, library, program)
fwgl library: FRP 2D/3D game engine (bsd3, library)
g-npm program: Generate Gentoo ebuilds from NodeJS/npm packages. (mit, program)
gact program: General Alignment Clustering Tool (gpl, program)
game-probability library: Simple probability library for dice rolls, card games and similar (bsd3, library)
game-tree library: Searching game trees with alpha-beta pruning (gpl, library)
gameclock program: Game clock that shows two analog clock faces (gpl, program)
gamma library: Gamma function and related functions. (library, public-domain)
gang-of-threads library: Non-deterministic parallelism with bags (bsd3, library)
garepinoh library and programs: reverse prefix notation calculator and calculation library (library, program, public-domain)
garsia-wachs library: A Functional Implementation of the Garsia-Wachs Algorithm (bsd3, library)
gbu library: planar graph embedding into a plane (bsd3, library)
gc-monitoring-wai library: a wai application to show GHC.GCStats (bsd3, library)
gconf library: Binding to the GNOME configuration database system. (lgpl, library)
gd library: A Haskell binding to a subset of the GD graphics library (bsd3, library)
gdiff library: Generic diff and patch (bsd3, library)
gdiff-ig library: Generic diff for the instant-generics library (bsd3, library)
gdiff-th library: Generate gdiff GADTs and Instances. (bsd3, library)
gearbox program: zooming rotating fractal gears graphics demo (gpl, program)
geek library: Geek blog engine (bsd3, library)
geek-server library and program: Geek blog engine server (gpl, library, program)
gemstone library: A simple library of helpers for SDL+GL games. (gpl, library)
gencheck library: A testing framework inspired by QuickCheck and SmallCheck (bsd3, library)
gender library and program: Identify a persons gender by their first name (lgpl, library, program)
general-prelude library: Prelude replacement using generalized type classes where possible (bsd3, library)
generator library: Python-generators notation for creation of monadic lists (bsd3, library)
generators library: Actually useful monadic random value generators. (bsd3, deprecated, library)
generic-aeson library: Derivation of Aeson instances using GHC generics. (bsd3, library)
generic-binary library: Generic Data.Binary derivation using GHC generics. (bsd3, library)
generic-church library: Automatically convert Generic instances to and from church representations (library, mit)
generic-deepseq library: Generic deep evaluation of data structures (bsd3, library)
generic-deriving library: Generic programming library for generalised deriving. (bsd3, library)
generic-lucid-scaffold library: General-purpose web page scaffold for Lucid. (deprecated, library, mit)
generic-maybe library: A generic version of Data.Maybe (bsd3, library)
generic-server library: Simple generic TCP/IP server (bsd3, library)
generic-storable library: Generic implementation of Storable (bsd3, library)
generic-tree library: Generic Tree data type (lgpl, library)
generic-xml library: Marshalling Haskell values to/from XML (bsd3, library)
generics-sop library: Generic Programming using True Sums of Products (bsd3, library)
genericserialize library: Serialization library using Data.Generics (bsd3, library)
genetics program: A Genetic Algorithm library (bsd3, program)
geni-gui library and program: GenI graphical user interface (gpl, library, program)
geni-util library and program: Companion tools for use with the GenI surface realiser (gpl, library, program)
geniconvert program: Conversion utility for the GenI generator (gpl, program)
genifunctors library: Generate generalized fmap, foldMap and traverse (bsd3, library)
geniplate library: Use Template Haskell to generate Uniplate-like functions. (bsd3, library)
geniserver library and program: Simple HTTP server for GenI results (gpl, library, program)
genprog library: Genetic programming library (bsd3, library)
gentlemark library: Gentle markup language (bsd3, library)
geocalc library: Libary for calculating distances between two coordinates in WSG84 (bsd3, library)
geodetic library: Geodetic calculations (bsd3, library)
geodetics library: Terrestrial coordinate systems and geodetic calculations. (bsd3, library)
geohash library: Geohash latitudes and longitudes. (bsd3, library)
geojson library: A thin GeoJSON Layer above the aeson library (bsd3, library)
getemx program: Fetch from emusic using .emx files (bsd3, program)
getflag library: Command-line parser. (library, mit)
getopt-simple library: A "System.Console.GetOpt" wrapper to make simple use case easy. (bsd3, library)
gf library and program: Grammatical Framework (library, program)
ggtsTC program: A type checker and runtime system of rCOS/g (impl. of ggts-FCS). (gpl, program)
ghc-core program: Display GHC's core and assembly output in a pager (bsd3, program)
ghc-core-html program: Core to HTML display (bsd3, program)
ghc-datasize library: Determine the size of data structures in GHC's memory (bsd3, library)
ghc-dup library: Explicitly prevent sharing (bsd3, library)
ghc-events library and program: Library and tool for parsing .eventlog files from GHC (bsd3, library, program)
ghc-events-analyze program: Analyze and visualize event logs (bsd3, program)
ghc-events-parallel library and program: Library and tool for parsing .eventlog files from parallel GHC (bsd3, library, program)
ghc-exactprint library: ExactPrint for GHC (bsd3, library)
ghc-gc-tune program: Graph performance of Haskell programs with different GC flags (bsd3, program)
ghc-generic-instances library: Derived instances of GHC.Generic of the GHC AST (library, public-domain)
ghc-heap-view library: Extract the heap representation of Haskell values and thunks (bsd3, library)
ghc-imported-from library and programs: Find the Haddock documentation for a symbol. (bsd3, library, program)
ghc-make program: Accelerated version of ghc --make (bsd3, program)
ghc-man-completion program: Generate a bash completion from the GHC manpage (bsd3, program)
ghc-mod library and programs: Happy Haskell Programming (bsd3, library, program)
ghc-mtl library: An mtl compatible version of the Ghc-Api monads and monad-transformers. (bsd3, library)
ghc-parmake library and program: A parallel wrapper for 'ghc --make'. (bsd3, library, program)
ghc-parser library: Haskell source parser from GHC. (library, mit)
ghc-paths library: Knowledge of GHC's installation directories (bsd3, library)
ghc-pkg-autofix program: Simple utility to fix BROKEN package dependencies for cabal-install. (bsd3, program)
ghc-pkg-lib library: Provide library support for ghc-pkg information (bsd3, library)
ghc-prim library: GHC primitives (bsd3, library)
ghc-server library: None (bsd3, library)
ghc-srcspan-plugin library: Generic GHC Plugin for annotating Haskell code with source location data. (bsd3, library)
ghc-syb library: Data and Typeable instances for the GHC API. (bsd3, library)
ghc-syb-utils library: Scrap Your Boilerplate utilities for the GHC API. (bsd3, library)
ghc-time-alloc-prof library: Library for parsing GHC time and allocation profiling reports (bsd3, library)
ghc-vis library: Live visualization of data structures in GHCi (bsd3, library)
ghci-diagrams library: Display simple diagrams from ghci (bsd3, deprecated, library)
ghci-haskeline program: An implementation of ghci using the Haskeline line-input library. (bsd3, program)
ghci-lib library: A library for interactively evaluating Haskell code. (library, mit)
ghci-ng program: Extended GHCi fork (bsd3, program)
ghci-pretty library: colored pretty-printing within ghci (library, mit)
ghcid library and program: GHCi based bare bones IDE (bsd3, library, program)
ghcjs-codemirror library: Installs CodeMirror JavaScript files (library, mit)
ghcjs-dom library: DOM library that supports both GHCJS and WebKitGTK (library, mit)
ghcjs-dom-hello program: GHCJS DOM Hello World, an example package (mit, program)
ghclive library and program: Interactive Haskell interpreter in a browser. (bsd3, library, program)
ghczdecode program: Decode Z-encoded strings from GHC (bsd3, program)
ght library and program: Trivial routines for inspecting git repositories (gpl, library, program)
gimlh library: Haskell parser for GIML (library, mit)
ginsu program: Ginsu Gale Client (mit, program)
gio library: Binding to the GIO. (lgpl, library)
gipeda program: Git Performance Dashboard (mit, program)
gist program: A reliable command-line client for gist.github.com (gpl, program)
git-all program: Determine which Git repositories need actions to be taken (bsd3, program)
git-annex program: manage files with git, without checking their contents into git (gpl, program)
git-checklist program: Maintain per-branch checklists in Git (gpl, program)
git-date library: Bindings to the date parsing from Git. (gpl, library)
git-embed library: Use TH to embed Git repo information. (bsd2, library)
git-freq program: A Git subcommand to show total addition, deletion per file (bsd3, git, program)
git-gpush program: More intelligent push-to-GitHub utility. (bsd3, program)
git-monitor program: Passively snapshots working tree changes efficiently. (bsd3, program)
git-object library: Git object and its parser (bsd3, deprecated, library)
git-repair program: repairs a damanged git repisitory (gpl, program)
git-sanity library and program: A sanity checker for your git history. (apache, library, program)
git-vogue library and programs: A framework for pre-commit checks. (bsd3, library, program)
gitcache program: Simple git utility to use and manage clone cache (bsd3, program)
github library: Access to the Github API, v3. (bsd3, library)
github-backup programs: backs up everything github knows about a repository, to the repository (gpl, program)
github-post-receive library: GitHub webhooks library (bsd3, library)
github-types library: Type definitions for objects used by the GitHub v3 API (library)
gitignore program: Apply GitHub .gitignore templates to already existing repositories. (bsd3, program)
gitit library and programs: Wiki using happstack, git or darcs, and pandoc. (gpl, library, program)
gitlib library: API library for working with Git repositories (library, mit)
gitlib-cmdline library: Gitlib repository backend that uses the git command-line tool. (library, mit)
gitlib-cross library: Run tests between repositories (library, mit)
gitlib-libgit2 library: Libgit2 backend for gitlib (library, mit)
gitlib-s3 library: Gitlib repository backend for storing Git objects in Amazon S3 (library, mit)
gitlib-sample library: Sample backend for gitlib showing the basic structure for any backend. (library, mit)
gitlib-test library: Test library for confirming gitlib backend compliance (library, mit)
gitlib-utils library: Generic utility functions for working with Git repositories (library, mit)
gitson library: A document store library for Git + JSON. (apache, library)
gl library: Complete OpenGL raw bindings (bsd3, library)
gl-capture library: simple image capture from OpenGL (bsd3, library)
glade library: Binding to the glade library. (lgpl, library)
gladexml-accessor library: Automagically declares getters for widget handles in specified interface file. (bsd3, library)
glapp library and program: An OpenGL micro framework. (gpl, library, program)
glib library: Binding to the GLIB library for Gtk2Hs. (lgpl, library)
glider-nlp library: Natural Language Processing library (bsd3, library)
glintcollider program: A simple ray tracer in an early stage of development. (bsd3, program)
global library: Library enabling unique top-level declarations (bsd3, library)
global-config library: Global mutable configuration (bsd3, library)
global-lock library: A global lock implemented without unsafePerformIO (bsd3, library)
global-variables library: Namespaced, global, and top-level mutable variables without unsafePerformIO. (bsd3, library)
glome-hs library and program: ray tracer (gpl, library, program)
gloss library: Painless 2D vector graphics, animations and simulations. (library, mit)
gloss-accelerate library: Extras to interface Gloss and Accelerate (bsd3, library)
gloss-algorithms library: Data structures and algorithms for working with 2D graphics. (library, mit)
gloss-banana library: An Interface for gloss in terms of a reactive-banana Behavior. (gpl, library)
gloss-devil library: Display images in Gloss using libdevil for decoding (bsd3, library)
gloss-examples programs: Examples using the gloss library (mit, program)
gloss-game library: Gloss wrapper that simplifies writing games (bsd3, library)
gloss-juicy library and program: Load any image supported by Juicy.Pixels in your gloss application (bsd3, library, program)
gloss-raster library: Parallel rendering of raster images. (library, mit)
gloss-raster-accelerate library: Parallel rendering of raster images using Accelerate (bsd3, library)
gloss-rendering library: Gloss picture data types and rendering functions. (library, mit)
gloss-sodium library: A Sodium interface to the Gloss drawing package. (agpl, library)
glpk-hs library: Comprehensive GLPK linear programming bindings (bsd3, library)
gluturtle library: turtle like LOGO with glut (bsd3, library)
gmap library: Composable maps and generic tries. (bsd3, library)
gmndl program: Mandelbrot Set explorer using GTK (gpl, program)
gnome-desktop program: Randomly set a picture as the GNOME desktop background (gpl, program)
gnome-keyring library: Bindings for libgnome-keyring (gpl, library)
gnomevfs library: Binding to the GNOME Virtual File System library. (gpl, library)
gnuidn library: Bindings for GNU IDN (gpl, library)
gnuplot library: 2D and 3D plots using gnuplot (bsd3, library)
gnutls library: Bindings for GNU libgnutls (gpl, library)
goa library: GHCi bindings to lambdabot (bsd3, library)
goatee library: A monadic take on a 2,500-year-old board game - library. (agpl, library)
goatee-gtk library and program: A monadic take on a 2,500-year-old board game - GTK+ UI. (agpl, library, program)
gofer-prelude library: The Gofer 2.30 standard prelude (bsd3, library)
google-dictionary library: Simple interface to the google.com/dictionary API (bsd3, deprecated, library)
google-drive library: Google Drive API access (library, mit)
google-html5-slide program: Google HTML5 Slide generator (bsd3, program)
google-mail-filters library: Write GMail filters and output to importable XML (bsd3, library)
google-oauth2 library: Google OAuth2 token negotiation (library, mit)
google-search library: EDSL for Google and GMail search expressions (bsd3, library)
googleplus library: Haskell implementation of the Google+ API v1 (bsd3, library)
gopherbot program: Spidering robot to download files from Gopherspace (gpl, program)
gpah program: Generic Programming Use in Hackage (bsd3, program)
gpcsets library: Generalized Pitch Class Sets for Haskell. (bsd3, library)
gpolyline library: Pure module for encoding/decoding Google Polyline (bsd3, library)
gps library: For manipulating GPS coordinates and trails. (bsd3, geo, library)
gps2htmlReport library and program: GPS to HTML Summary Report (bsd3, library, program)
gpx-conduit library: Read GPX files using conduits (bsd3, geo, library)
graceful library: Library to write graceful shutdown / upgrade service. (bsd3, library)
grammar-combinators library: A parsing library of context-free grammar combinators. (lgpl, library)
grapefruit-examples library: Examples using the Grapefruit library (bsd3, library)
grapefruit-frp library: Functional Reactive Programming core (bsd3, library)
grapefruit-records library: A record system for Functional Reactive Programming (bsd3, library)
grapefruit-ui library: Declarative user interface programming (bsd3, library)
grapefruit-ui-gtk library: GTK+-based backend for declarative user interface programming (bsd3, library)
graph-core library: Fast, memory efficient and persistent graph implementation (library, mit)
graph-generators library: Functions for generating structured or random FGL graphs (apache, library)
graph-matchings library: An implementation of algorithms for matchings in graphs (lgpl, library)
graph-rewriting library: Monadic graph rewriting of hypergraphs with ports and multiedges (bsd3, library)
graph-rewriting-cl program: Interactive graph rewriting system implementing various well-known combinators (bsd3, deprecated, program)
graph-rewriting-gl library: OpenGL interface for interactive port graph rewriting (bsd3, library)
graph-rewriting-lambdascope program: Lambdascope, an optimal evaluator of the lambda calculus, as an interactive graph-rewriting system (bsd3, program)
graph-rewriting-layout library: Force-directed node placement intended for incremental graph drawing (bsd3, library)
graph-rewriting-ski programs: Two evalutors of the SKI combinator calculus as interactive graph rewrite systems (bsd3, program)
graph-rewriting-strategies library: Evaluation strategies for port-graph rewriting systems (bsd3, library)
graph-rewriting-trs program: Evaluate first-order applicative term rewrite systems interactively using graph reduction (bsd3, program)
graph-rewriting-ww program: Evaluator of the lambda-calculus in an interactive graph rewriting system with explicit sharing (bsd3, program)
graph-serialize library: Serialization of data structures with references. (bsd3, library)
graph-utils library: A simple wrapper & quasi quoter for fgl. (bsd3, library)
graph-visit library: Graph walk abstraction (bsd3, library)
graph-wrapper library: A wrapper around the standard Data.Graph with a less awkward interface (bsd3, library)
graphbuilder library: A declarative, monadic graph construction language for small graphs (library, mit)
graphene library: A minimal Graph Theory library. (library, mit)
graphics-drawingcombinators library: A functional interface to 2D drawing in OpenGL (bsd3, library)
graphics-formats-collada library: Load 3D geometry in the COLLADA format (bsd3, library)
graphicsFormats library: Classes for renderable objects. (bsd3, library)
graphicstools library and program: Tools for creating graphical UIs, based on wxHaskell. (bsd3, library, program)
graphmod program: Present the module dependencies of a program as a "dot" graph. (bsd3, program)
graphs library: A simple monadic graph library (bsd3, library)
graphtype program: A simple tool to illustrate dependencies between Haskell types (bsd3, program)
graphviz library: Bindings to Graphviz for graph visualisation. (bsd3, library)
gravatar library: Look up gravatar image urls by email address (bsd3, library)
gray-code library: Gray code encoder/decoder. (bsd3, library)
gray-extended library: Gray encoding schemes (bsd3, library)
greencard library and program: GreenCard, a foreign function pre-processor for Haskell. (bsd3, library, program)
greencard-lib library: A foreign function interface pre-processor library for Haskell (bsd3, library)
greg-client library: A scalable distributed logger with a high-precision global time axis. (bsd3, library)
grid library: Tools for working with regular grids (graphs, lattices). (bsd3, library)
grm library and program: grm grammar converter (bsd3, library, program)
groom library: Pretty printing for well-behaved Show instances. (library, public-domain)
groundhog library: Type-safe datatype-database mapping library. (bsd3, library)
groundhog-inspector library and program: Type-safe datatype-database mapping library. (bsd3, library, program)
groundhog-mysql library: MySQL backend for the groundhog library. (bsd3, library)
groundhog-postgresql library: PostgreSQL backend for the groundhog library. (bsd3, library)
groundhog-sqlite library: Sqlite3 backend for the groundhog library (bsd3, library)
groundhog-th library: Type-safe datatype-database mapping library. (bsd3, library)
group-with library: Classify objects by key-generating function, like SQL GROUP BY (apache, library)
groupoid library: A Groupoid class (bsd3, deprecated, library)
groupoids library: This package has been absorbed into semigroupoids 4.0 (bsd3, deprecated, library)
groups library: Haskell 98 groups (bsd3, library)
growler library: A revised version of the scotty library that attempts to be simpler and more performant. (library, mit)
gruff library and program: fractal explorer GUI using the ruff library (gpl, library, program)
gruff-examples programs: Mandelbrot Set examples using ruff and gruff (gpl, program)
gsasl library: Bindings for GNU libgsasl (gpl, library)
gsc-weighting library: Generic implementation of Gerstein/Sonnhammer/Chothia weighting. (bsd3, library)
gsl-random library: Bindings the the GSL random number generation facilities. (bsd3, library)
gsl-random-fu library: Instances for using gsl-random with random-fu (library, public-domain)
gsmenu program: A visual generic menu (bsd3, program)
gstreamer library: Binding to the GStreamer open source multimedia framework. (lgpl, library)
gt-tools program: Console and GUI interface for Google Translate service (gpl, program)
gtfs library: The General Transit Feed Specification format (bsd3, library)
gtk library: Binding to the Gtk+ graphical user interface library. (lgpl, library)
gtk-jsinput library: A simple custom form widget for gtk which allows inputing of JSON values (gpl, library)
gtk-largeTreeStore library: Large TreeStore support for gtk2hs (lgpl, library)
gtk-mac-integration library: Bindings for the Gtk/OS X integration library. (lgpl, library)
gtk-serialized-event library: GTK+ Serialized event. (lgpl, library)
gtk-simple-list-view library: A simple custom form widget for gtk which allows single LOC creation/updating of list views. (gpl, library)
gtk-toggle-button-list library: A simple custom form widget for gtk which allows single LOC creation/updating of toggle button lists. (gpl, library)
gtk-toy library: Convenient Gtk canvas with mouse and keyboard input. (bsd3, library)
gtk-traymanager library: A wrapper around the eggtraymanager library for Linux system trays (lgpl, library)
gtk2hs-buildtools programs: Tools to build the Gtk2Hs suite of User Interface libraries. (gpl, program)
gtk2hs-cast-glade library: A type class for cast functions of Gtk2hs: glade package (library)
gtk2hs-cast-glib library: A type class for cast functions of Gtk2hs: glib package (library)
gtk2hs-cast-gnomevfs library: A type class for cast functions of Gtk2hs: gnomevfs package (library)
gtk2hs-cast-gtk library: A type class for cast functions of Gtk2hs: gtk package (library)
gtk2hs-cast-gtkglext library: A type class for cast functions of Gtk2hs: gtkglext package (library)
gtk2hs-cast-gtksourceview2 library: A type class for cast functions of Gtk2hs: gtksourceview2 package (library)
gtk2hs-cast-th library: A type class for cast functions of Gtk2hs: TH package (library)
gtk2hs-hello program: Gtk2Hs Hello World, an example package (mit, program)
gtk2hs-rpn library: Adds a module to gtk2hs allowing layouts to be defined using reverse polish notation. (lgpl, library)
gtk3 library: Binding to the Gtk+ graphical user interface library. (lgpl, library)
gtk3-mac-integration library: Bindings for the Gtk/OS X integration library. (lgpl, library)
gtkglext library: Binding to the GTK+ OpenGL Extension (lgpl, library)
gtkimageview library: Binding to the GtkImageView library. (lgpl, library)
gtkrsync programs: Gnome rsync progress display (gpl, program)
gtksourceview2 library: Binding to the GtkSourceView library. (lgpl, library)
gtksourceview3 library: Binding to the GtkSourceView library. (lgpl, library)
guarded-rewriting library: Datatype-generic rewriting with preconditions (bsd3, library)
guess-combinator library: Generate simple combinators given their type (bsd3, library)
gulcii program: graphical untyped lambda calculus interactive interpreter (gpl, program)
gutenberg-fibonaccis library: The first 1001 Fibonacci numbers, retrieved from the Gutenberg Project. (gpl, library)
h-booru library and program: Haskell library for retrieving data from various booru image sites (gpl, library, program)
h-gpgme library: (library, mit)
h2048 library: a haskell implementation of Game 2048 (library, mit)
hArduino library: Control your Arduino board from Haskell. (bsd3, library)
hBDD library: An abstraction layer for BDD libraries (lgpl, library)
hBDD-CUDD library: An FFI binding to the CUDD library (lgpl, library)
hCsound library: interface to CSound API (lgpl, library)
hDFA library: A simple library for representing and minimising DFAs. (bsd3, library)
hF2 library: F(2^e) math for cryptography (bsd3, library)
hGelf library: Haskell GELF library (bsd3, library)
hMollom library: Library to interact with the @Mollom anti-spam service (bsd3, library)
hOpenPGP library: native Haskell implementation of OpenPGP (RFC4880) (library, mit)
hPDB library: Protein Databank file format library (bsd3, library)
hPDB-examples programs: Examples for hPDB library (bsd3, program)
hPushover library: Pushover.net API functions. (bsd3, library)
hR library: R bindings and interface (bsd3, library)
hRESP library: haskell implementation of RESP (REdis Serialization Protocol). (bsd3, library)
hS3 library and program: Interface to Amazon's Simple Storage Service (S3) (bsd3, library, program)
hSimpleDB library: Interface to Amazon's SimpleDB service. (bsd3, library)
hTalos library: Parser, print and manipulate structures in PDB file format. (bsd3, library)
hTensor library: Multidimensional arrays and simple tensor computations. (bsd3, library)
hVOIDP library and program: Optimal variable selection in chain graphical model. (gpl, library, program)
haar library: Haar wavelet transforms (bsd3, library)
hacanon-light library: Template Haskell framework for automatic FFI code generation. (bsd3, library)
hack library: a Haskell Webserver Interface (bsd3, deprecated, library)
hack-contrib library: Hack contrib (bsd3, deprecated, library)
hack-contrib-press library: Hack helper that renders Press templates (gpl, library)
hack-frontend-happstack library: hack-frontend-happstack (bsd3, deprecated, library)
hack-frontend-monadcgi library: Allows programs written against MonadCGI to run with any hack handler. (deprecated) (bsd3, deprecated, library)
hack-handler-cgi library: Hack handler using CGI protocol. (deprecated) (bsd3, deprecated, library)
hack-handler-epoll library: hack handler implementation using epoll (lgpl, library)
hack-handler-evhttp library: Hack EvHTTP (libevent) Handler (gpl, library)
hack-handler-fastcgi library: Hack handler direct to fastcgi (deprecated) (bsd3, deprecated, library)
hack-handler-happstack library: Hack Happstack server handler (bsd3, deprecated, library)
hack-handler-hyena library: Hyena hack handler (bsd3, deprecated, library)
hack-handler-kibro library: Hack Kibro handler (deprecated, gpl, library)
hack-handler-simpleserver library: A simplistic HTTP server handler for Hack. (deprecated) (bsd3, deprecated, library)
hack-middleware-cleanpath library: Applies some basic redirect rules to get cleaner paths. (deprecated) (bsd3, deprecated, library)
hack-middleware-clientsession library: Middleware for easily keeping session data in client cookies. (deprecated) (bsd3, deprecated, library)
hack-middleware-gzip library: Automatic gzip compression of responses. (deprecated) (bsd3, deprecated, library)
hack-middleware-jsonp library: Automatic wrapping of JSON responses to convert into JSONP. (deprecated) (bsd3, deprecated, library)
hack2 library: a Haskell Webserver Interface (V2) (bsd3, library)
hack2-contrib library: Hack2 contrib (bsd3, library)
hack2-contrib-extra library: Hack2 contrib extra (bsd3, library)
hack2-handler-happstack-server library: Hack2 Happstack server handler (bsd3, library)
hack2-handler-mongrel2-http library: Hack2 Mongrel2 HTTP handler (bsd3, library)
hack2-handler-snap-server library: Hack2 Snap server handler (bsd3, library)
hack2-handler-warp library: Hack2 warp handler (bsd3, library)
hack2-interface-wai library: Hack2 interface of WAI (bsd3, library)
hackage-db library: access Hackage's package database via Data.Map (bsd3, library)
hackage-diff program: Compare the public API of different versions of a Hackage library (mit, program)
hackage-plot program: Generate cumulative graphs of hackage uploads (bsd3, program)
hackage-proxy program: Provide a proxy for Hackage which modifies responses in some way. (deprecated) (deprecated, mit, program)
hackage-server library: The Hackage web server (bsd3)
hackage-sparks program: Generate sparkline graphs of hackage statistics (bsd3, program)
hackage2hwn program: Convert Hackage RSS feeds to wiki format for publishing on Haskell.org (bsd3, program)
hackage2twitter program: Send new Hackage releases to Twitter (bsd3, program)
hackager program: Hackage testing tool (bsd3, program)
hackernews library: API for Hacker News (library, mit)
hackertyper program: "Hack" like a programmer in movies and games! (mit, program)
hackport program: Hackage and Portage integration tool (gpl, program)
hactor library: Lightweight Erlang-style actors for Haskell. (library, mit)
hactors library: Practical actors for Haskell. (library, mit)
haddock program: A documentation-generation tool for Haskell libraries (bsd3, program)
haddock-api library: A documentation-generation tool for Haskell libraries (bsd3, library)
haddock-leksah program: A documentation-generation tool for Haskell libraries (bsd3, deprecated, program)
haddock-library library: Library exposing some functionality of Haddock. (bsd3, library)
haddocset program: Generate docset of Dash by Haddock haskell documentation tool (bsd3, program)
hadoop-formats library: Read/write file formats commonly used by Hadoop. (apache, library)
hadoop-rpc library and program: Use the Hadoop RPC interface from Haskell. (apache, library, program)
hadoop-tools program: Fast command line tools for working with Hadoop. (apache, program)
haeredes program: Confirm delegation of NS and MX records. (gpl, program)
haggis library and program: A static site generator with blogging/comments support (library, mit, program)
haha library and program: A simple library for creating animated ascii art on ANSI terminals. (bsd3, library, program)
hailgun library: Mailgun REST api interface for Haskell. (library, mit)
hailgun-send program: A program to send emails throught the Mailgun api. (mit, program)
hails library and program: Multi-app web platform framework (library, mit, program)
hails-bin program: Dynamic launcher of Hails applications (deprecated, gpl, program)
hairy library and program: A JSON REST API (library, mit, program)
hakaru library: A probabilistic programming embedded DSL (bsd3, library)
hake library and program: make tool. ruby : rake = haskell : hake (gpl, library, program)
hakismet library: Akismet spam protection library (library, mit)
hako library: A mako-like quasi-quoter template library (bsd3, library)
hakyll library and program: A static website compiler library (bsd3, library, program)
hakyll-agda library: Wrapper to integrate literate Agda files with Hakyll (bsd3, library)
hakyll-blaze-templates library: Blaze templates for Hakyll (bsd3, deprecated, library)
hakyll-contrib library and program: Extra modules for the hakyll website compiler (bsd3, library, program)
hakyll-contrib-hyphenation library: automatic hyphenation for Hakyll (library, mit)
hakyll-contrib-links library: A hakyll library that helps maintain a separate links database. (bsd3, library)
hakyll-convert library and programs: Convert from other blog engines to Hakyll. (bsd3, library, program)
hakyll-elm library: Hakyll wrapper for the Elm compiler. (bsd3, library)
halberd library and program: A tool to generate missing import statements for Haskell modules. (bsd3, library, program)
half library: Half-precision floating-point (bsd3, library)
halfs library and program: The HAskelL File System ("halfs" -- intended for use on the HaLVM) (bsd3, library, program)
halipeto library: Haskell Static Web Page Generator (gpl, library)
haltavista program: looks for functions given a set of example input/outputs (gpl, program)
hamid library: Binding to the OS level Midi services (fork of system-midi). (bsd3, library)
hamlet library: Haml-like template files that are compile-time checked (deprecated) (deprecated, library, mit)
hampp program: Haskell macro preprocessor (program, public-domain)
hamtmap library: A purely functional and persistent hash map (bsd3, library)
hamusic library and programs: Library to handle abstract music (bsd3, library, program)
handa-gdata library and program: Library and command-line utility for accessing Google services and APIs. (library, mit, program)
handa-geodata library and programs: Geographic and Geometric Data (library, mit, program)
handle-like library: HandleLike class (bsd3, library)
handsy library: A DSL to describe common shell operations and interpeters for running them locally and remotely. (bsd3, library)
hangman program: Hangman implementation in Haskell written in two hours. (mit, program)
hans library and program: IPv4 Network Stack (bsd3, library, program)
hans-pcap library: Driver for real ethernet devices for HaNS (bsd3, library)
hans-pfq library: Driver for real ethernet devices for HaNS (bsd3, library)
hapistrano library and program: A deployment library for Haskell applications (library, mit, program)
happindicator library: Binding to the appindicator library. (lgpl, library)
happindicator3 library: Binding to the appindicator library. (lgpl, library)
happraise program: A small program for counting the comments in haskell source (bsd3, program)
happs-hsp library: (bsd3, library)
happs-hsp-template library: Utilities for using HSP templates in HAppS applications. (bsd3, library)
happs-tutorial program: A Happstack Tutorial that is its own web 2.0-type demo. (bsd3, program)
happstack library: The haskell application server stack + code generation (bsd3, library)
happstack-auth library: A Happstack Authentication Suite (bsd3, library)
happstack-authenticate library: Happstack Authentication Library (bsd3, library)
happstack-clientsession library: client-side session data (bsd3, library)
happstack-contrib library: Web related tools and services. (bsd3, library)
happstack-data library: Happstack data manipulation libraries (bsd3, deprecated, library)
happstack-dlg library: Cross-request user interactions for Happstack (bsd3, library)
happstack-facebook library: A package for building Facebook applications using Happstack (bsd3, deprecated, library)
happstack-fastcgi library: Happstack extension for use with FastCGI. (bsd3, library)
happstack-fay library: Support for using Fay with Happstack (bsd3, library)
happstack-fay-ajax library: Support for using Fay with Happstack (bsd3, library)
happstack-foundation library: Glue code for using Happstack with acid-state, web-routes, reform, and HSP (bsd3, library)
happstack-hamlet library: Support for Hamlet HTML templates in Happstack (bsd3, library)
happstack-heist library: Support for using Heist templates in Happstack (bsd3, library)
happstack-helpers library: Convenience functions for Happstack. (bsd3, library)
happstack-hsp library: Support for using HSP templates in Happstack (bsd3, library)
happstack-hstringtemplate library: Support for using HStringTemplate in Happstack (bsd3, library)
happstack-ixset library: Efficient relational queries on Haskell sets. (bsd3, deprecated, library)
happstack-jmacro library: Support for using JMacro with Happstack (bsd3, library)
happstack-lite library: Happstack minus the useless stuff (bsd3, library)
happstack-monad-peel library: monad-peel instances for Happstack types (bsd3, library)
happstack-plugins library: The haskell application server stack + reload (bsd3, library)
happstack-server library: Web related tools and services. (bsd3)
happstack-server-tls library: extend happstack-server with https:// support (TLS/SSL) (bsd3, library)
happstack-state library: Event-based distributed state. (bsd3, deprecated, library)
happstack-static-routing library: Support for static URL routing with overlap detection for Happstack. (bsd3, library)
happstack-util library: Web framework (bsd3, deprecated, library)
happstack-yui library: Utilities for using YUI3 with Happstack. (bsd3, deprecated, library)
happy program: Happy is a parser generator for Haskell (bsd3, program)
happy-meta library: Quasi-quoter for Happy parsers (bsd3, library)
happybara library: Acceptance test framework for web applications (library, mit)
happybara-webkit library: WebKit Happybara driver (library, mit)
happybara-webkit-server library: WebKit Server binary for Happybara (taken from capybara-webkit) (library, mit)
harchive programs: Networked content addressed backup and restore software. (gpl, program)
hark program: A Gentoo package query tool. (gpl, program)
haroonga library: Low level bindings for Groonga. (lgpl, library)
harp library: HaRP allows pattern-matching with regular expressions (bsd3, library)
harpy library: Runtime code generation for x86 machine code (gpl, library)
has library: Entity based records (bsd3, library)
has-th library: Template Haskell function for Has records. (bsd3, library)
hascal library and program: A minimalistic but extensible and precise calculator (gpl, library, program)
hascat program: Hascat Web Server (program)
hascat-lib library: Hascat Package (library)
hascat-setup library and program: Hascat Installation helper (library, program)
hascat-system library: Hascat System Package (library)
hash library: Hashing tools (bsd3, library)
hashable library: A class for types that can be converted to a hash value (bsd3, library)
hashable-extras library: Higher-rank Hashable (bsd3, library)
hashable-generics library: Automatically generates Hashable instances with GHC.Generics. (bsd3, library)
hashed-storage library: Hashed file storage support code. (bsd3, library)
hashmap library: Persistent containers Map and Set based on hashing. (bsd3, deprecated, library)
hashring library: Efficient consistent hashing. (bsd3, library)
hashtables library: Mutable hash tables in the ST monad (bsd3, library)
hashtables-plus library: Extensions for a "hashtables" library (library, mit)
hasim library: Process-Based Discrete Event Simulation library (bsd3, library)
hask library: Categories (bsd3, library)
hask-home programs: Generate homepages for cabal packages (bsd3, program)
haskades program: Utility to generate bindings for BlackBerry Cascades (program)
haskakafka library: Kafka bindings for Haskell (library, mit)
haskanoid program: A breakout game written in Yampa using SDL (program)
haskarrow program: A dialect of haskell with order of execution based on dependency resolution (gpl, program)
haskbot-core library: Easily-extensible chatbot for Slack messaging service (library, mit)
haskdeep program: Computes and audits file hashes. (bsd3, program)
haskdogs program: Generate ctags file for haskell project directory and it's deps (bsd3, program)
haskeem program: A small scheme interpreter (gpl, program)
haskeline library: A command-line interface for user input, written in Haskell. (bsd3, library)
haskeline-class library: Class interface for working with Haskeline (bsd3, library)
haskell-aliyun library: haskell client of aliyun service. (bsd3, library)
haskell-awk library and program: Transform text from the command-line using Haskell expressions. (apache, library, program)
haskell-bcrypt library: A bcrypt implementation for haskell (library, mit)
haskell-brainfuck library and program: BrainFuck interpreter (brainfuck, library, mit, program)
haskell-cnc library and program: Library for parallel programming in the Intel Concurrent Collections paradigm. (bsd3, library, program)
haskell-coffee library: Simple CoffeeScript API (gpl, library)
haskell-compression library and program: (bsd3, library, program)
haskell-course-preludes library: Small modules for a Haskell course in which Haskell is taught by implementing Prelude functionality. (library, mit)
haskell-docs library and program: A program to find and display the docs and type of a name (bsd3, library, program)
haskell-formatter library and program: Haskell source code formatter (gpl, library, program)
haskell-ftp library and program: A Haskell ftp server with configurable backend. (bsd3, library, program)
haskell-generate library: Typesafe generation of haskell source code (bsd3, library)
haskell-in-space programs: 'Asteroids' arcade games. (bsd3, program)
haskell-lexer library: A fully compliant Haskell 98 lexer. (bsd3, library)
haskell-modbus library: A cereal-based parser for the Modbus protocol (bsd3, library)
haskell-mpi library: Distributed parallel programming in Haskell using MPI. (bsd3, library)
haskell-names library: Name resolution library for Haskell (bsd3, library)
haskell-neo4j-client library: A Haskell neo4j client (library, mit)
haskell-openflow library: OpenFlow protocol in Haskell (bsd3, library)
haskell-packages library: Haskell suite library for package management and integration with Cabal (library, mit)
haskell-pdf-presenter program: Tool for presenting PDF-based presentations. (gpl, program)
haskell-platform-test program: A test system for the Haskell Platform environment (bsd3, program)
haskell-plot library: A library for generating 2D plots painlessly. (Plotting, gpl, library)
haskell-qrencode library: Haskell bindings for libqrencode. (bsd3, library)
haskell-reflect library: Reflect Haskell types. (library, mit)
haskell-rules library: A DSL for expressing natural deduction rules in Haskell. (gpl, library)
haskell-spacegoo library: Client API for Rocket Scissor Spacegoo (library, mit)
haskell-src library: Support for manipulating Haskell source code (bsd3, library)
haskell-src-exts library: Manipulating Haskell source: abstract syntax, lexer, parser, and pretty-printer (bsd3, library)
haskell-src-exts-qq library: A quasiquoter for haskell-src-exts. (bsd3, library)
haskell-src-meta library: Parse source to template-haskell abstract syntax. (bsd3, library)
haskell-src-meta-mwotton library: Parse source to template-haskell abstract syntax. (bsd3, deprecated, library)
haskell-token-utils library: Utilities to tie up tokens to an AST (library, public-domain)
haskell-type-exts library: A type checker for Haskell/haskell-src-exts (bsd3, library)
haskell-typescript library: Simple TypeScript API (gpl, library)
haskell-tyrant library: Haskell implementation of the Tokyo Tyrant binary protocol (bsd3, library)
haskell-updater program: Rebuild Haskell dependencies in Gentoo (gpl, program)
haskell-xmpp library: Haskell XMPP (eXtensible Message Passing Protocol, a.k.a. Jabber) library (bsd3, library)
haskell2010 library: Compatibility with Haskell 2010 (bsd3, library)
haskell98 library: Compatibility with Haskell 98 (bsd3, library)
haskell98libraries library: Compatibility with Haskell 98 (bsd3, library)
haskelldb library: A library of combinators for generating and executing SQL statements. (bsd3, library)
haskelldb-connect-hdbc library: Bracketed HDBC session for HaskellDB (bsd3, library)
haskelldb-connect-hdbc-catchio-mtl library: Bracketed HaskellDB HDBC session using MonadCatchIO-mtl (bsd3, library)
haskelldb-connect-hdbc-catchio-tf library: Bracketed HaskellDB HDBC session using MonadCatchIO-transformers (bsd3, library)
haskelldb-connect-hdbc-catchio-transformers library: Bracketed HaskellDB HDBC session using MonadCatchIO-transformers (bsd3, library)
haskelldb-connect-hdbc-lifted library: Bracketed HaskellDB HDBC session using lifted-base (bsd3, library)
haskelldb-dynamic library and program: HaskellDB support for the dynamically loaded drivers. (bsd3, library, program)
haskelldb-flat library and program: An experimental HaskellDB back-end in pure Haskell (no SQL) (bsd3, library, program)
haskelldb-hdbc library: HaskellDB support for HDBC. (bsd3, library)
haskelldb-hdbc-mysql library and program: HaskellDB support for the HDBC MySQL driver. (bsd3, library, program)
haskelldb-hdbc-odbc library and program: HaskellDB support for the HDBC ODBC driver. (bsd3, library, program)
haskelldb-hdbc-postgresql library and program: HaskellDB support for the HDBC PostgreSQL driver. (bsd3, library, program)
haskelldb-hdbc-sqlite3 library and program: HaskellDB support for the HDBC SQLite driver. (bsd3, library, program)
haskelldb-hsql library: HaskellDB support for HSQL. (bsd3, library)
haskelldb-hsql-mysql library and program: HaskellDB support for the HSQL MySQL driver. (bsd3, library, program)
haskelldb-hsql-odbc library and program: HaskellDB support for the HSQL ODBC driver. (bsd3, library, program)
haskelldb-hsql-oracle library and program: HaskellDB support for the HSQL Oracle driver. (bsd3, library, program)
haskelldb-hsql-postgresql library and program: HaskellDB support for the HSQL PostgreSQL driver. (bsd3, library, program)
haskelldb-hsql-sqlite library and program: HaskellDB support for the HSQL SQLite driver. (bsd3, library, program)
haskelldb-hsql-sqlite3 library and program: HaskellDB support for the HSQL SQLite3 driver. (bsd3, library, program)
haskelldb-th library: Template Haskell utilities for HaskellDB. (bsd3, library)
haskelldb-wx library: HaskellDB support for WXHaskell. (bsd3, library)
haskellscrabble library: A scrabble library capturing the core game logic of scrabble. (gpl, library)
haskelm library and program: Elm to Haskell translation (bsd3, library, program)
haskgame library: Haskell game library. (bsd3, library)
haskheap library: Haskell bindings to refheap. (library, mit)
haskhol-core library: The core logical system of HaskHOL, an EDSL for HOL theorem proving. (bsd3, library)
haskintex library and program: Haskell Evaluation inside of LaTeX code. (bsd3, library, program)
haskmon library: A haskell wrapper for PokeAPI.co (www.pokeapi.co) (library, mit)
haskoin library: Implementation of the Bitcoin protocol. (library, public-domain)
haskoin-crypto library: Implementation of Bitcoin cryptographic primitives. (deprecated, library, public-domain)
haskoin-protocol library: Implementation of the Bitcoin network protocol messages (deprecated, library, public-domain)
haskoin-script library: Implementation of Bitcoin script parsing and evaluation (deprecated, library, public-domain)
haskoin-util library: Utility functions for the Network.Haskoin project (deprecated, library, public-domain)
haskoin-wallet library and program: Implementation of a Bitcoin hierarchical deterministric wallet (BIP32). (library, program, public-domain)
haskoon library: Web Application Abstraction (lgpl, library)
haskoon-httpspec library: Integrating HttpSpec with Haskoon (lgpl, library)
haskoon-salvia library: Integrating HttpSpec with Haskoon (lgpl, library)
haskore library and program: The Haskore Computer Music System (gpl, library, program)
haskore-realtime library: Routines for realtime playback of Haskore songs (gpl, library)
haskore-supercollider library and program: Haskore back-end for SuperCollider (gpl, library, program)
haskore-synthesizer library: Music rendering coded in Haskell (gpl, library)
haskore-vintage library: The February 2000 version of Haskore. (bsd3, library)
hasktags library and program: Produces ctags "tags" and etags "TAGS" files for Haskell programs (bsd3, library, program)
haslo library and programs: Loan calculator engine. (bsd3, library, program)
hasloGUI program: Loan calculator Gtk GUI. Based on haslo (Haskell Loan) library. (bsd3, program)
hasparql-client library: This package enables to write SPARQL queries to remote endpoints. (bsd3, library)
haspell library: Haskell bindings to aspell (library, mit)
hasql library: A minimalistic general high level API for relational databases (library, mit)
hasql-backend library: API for backends of "hasql" (library, mit)
hasql-postgres library: A "PostgreSQL" backend for the "hasql" library (library, mit)
hasql-postgres-options library: An "optparse-applicative" parser for "hasql-postgres" (library, mit)
hastache library and program: Haskell implementation of Mustache templates (bsd3, library, program)
hastache-aeson library: render hastache templates using aeson values (bsd3, library)
haste program: A universal pastebin tool, written in Haskell. (bsd3, program)
haste-compiler library: Haskell To ECMAScript compiler (bsd3, library)
haste-markup library: A port of blaze-markup and blaze-html to Haste (library, mit)
haste-perch library: Create, navigate and modify the DOM tree with composable syntax, with the haste compiler (gpl, library)
hat library and programs: The Haskell tracer, generating and viewing Haskell execution traces (library, program)
hatex-guide library: HaTeX User's Guide. (bsd3, library)
hath program: Hath manipulates network blocks in CIDR notation. (gpl, program)
hatt library and program: A truth table generator for classical propositional logic. (bsd3, library, program)
hawitter program: A twitter client for GTK+. Beta version. (bsd3, program)
haxl library: A Haskell library for efficient, concurrent, and concise data access. (bsd3, library)
haxl-facebook library: An example Haxl data source for accessing the Facebook Graph API (bsd3, library)
haxparse library and program: Readable HaxBall replays (library, mit, program)
haxr library: XML-RPC client and server library. (bsd3, library)
haxr-th library: Automatic deriving of XML-RPC structs for Haskell records. (bsd3, library)
haxy library: A simple HTTP proxy server library (bsd3, library)
hayland library and program: Haskell bindings for the C Wayland library. (library, mit, program)
hayoo-cli program: Hayoo CLI (mit, program)
hback program: N-back memory game (bsd3, program)
hbayes library: Bayesian Networks (bsd3, library)
hbb program: Haskell Busy Bee, a backend for text editors. (lgpl, program)
hbcd library: Packed binary-coded decimal (BCD) serialization (library, mit)
hbeanstalk library: Client for the beanstalkd workqueue service. (bsd3, library)
hbeat program: A simple step sequencer GUI. (bsd3, program)
hblas library: Human friendly BLAS and Lapack bindings for Haskell. (bsd3, library)
hblock library: A mutable vector that provides indexation on the datatype fields it stores (bsd3, library)
hbro library and program: Minimal KISS-compliant browser (library, program)
hbro-contrib library: Third-party extensions to hbro. (library)
hburg program: Haskell Bottom Up Rewrite Generator (bsd3, program)
hcc program: A toy C compiler. (bsd3, program)
hcg-minus library: haskell cg (minus) (bsd3, library)
hcg-minus-cairo library: haskell cg (minus) (cairo rendering) (bsd3, library)
hcheat library: A collection of code cheatsheet (bsd3, deprecated, library)
hchesslib library: Chess library (gpl, library)
hcltest library: A testing library for command line applications. (bsd3, library)
hcron library: A simple job scheduler, which just runs some IO action at a given time. (bsd3, library)
hcube library and program: Virtual Rubik's cube of arbitrary size. (bsd3, library, program)
hcwiid library: Library to interface with the wiimote (gpl, library)
hdaemonize library: Library to handle the details of writing daemons for UNIX (bsd3, library)
hdaemonize-buildfix library: Library to handle the details of writing daemons for UNIX (bsd3, library)
hdbc-postgresql-hstore library: Manipulate data in PostgreSQL "hstore" columns. (deprecated, library, mit)
hdbc-tuple library: Type save tuples for HDBC (gpl, library)
hdbi library: Haskell Database Independent interface (bsd3, library)
hdbi-conduit library: Conduit glue for HDBI (bsd3, library)
hdbi-postgresql library: PostgreSQL driver for hdbi (bsd3, library)
hdbi-sqlite library: SQlite driver for HDBI (bsd3, library)
hdbi-tests library: test suite for testing HDBI (bsd3, library)
hdevtools program: Persistent GHC powered background server for FAST haskell development tools (mit, program)
hdf library: HDF: Uniform Rate Audio Signal Processing in Haskell (gpl, library)
hdigest library: Server-side HTTP Digest (RFC2617) in the CGI monad (bsd3, library)
hdirect library and program: An IDL compiler for Haskell (bsd3, library, program)
hdis86 library: Interface to the udis86 disassembler for x86 and x86-64 / AMD64 (bsd3, library)
hdiscount library: Haskell bindings to the Discount markdown library (bsd3, library)
hdm program: a small display manager. (gpl, program)
hdocs library and program: Haskell docs tool (bsd3, library, program)
hdph library and programs: Haskell distributed parallel Haskell (bsd3, library, program)
hdph-closure library: Explicit closures in Haskell distributed parallel Haskell (bsd3, library)
heap library: Heaps in Haskell (bsd3, library)
heaps library: Asymptotically optimal Brodal/Okasaki heaps. (bsd3, library)
heapsort library and program: Heapsort of MArrays as a demo of imperative programming (bsd3, library, program)
hebrew-time library: Hebrew dates and prayer times. (library, mit)
hecc library: Elliptic Curve Cryptography for Haskell (bsd3, library)
hedis library: Client library for the Redis datastore: supports full command set, pipelining. (bsd3, library)
hedis-pile library: Caching mandatory data with Redis (bsd3, library)
hedis-simple library: A simplified API for hedis (library, mit)
hedis-tags library: Tags for hedis (bsd3, library)
hedn library: EDN parsing and encoding (bsd3, library)
heist library: An Haskell template system supporting both HTML5 and XML. (bsd3, library)
heist-aeson library: Use JSON directly from Heist templates. (library, public-domain)
heist-async library: Adding support for asynchronous updates ("AJAX") with heist (bsd3, library)
helics library: New Relic® agent SDK wrapper for Haskell. (library, mit)
helics-wai library: New Relic® agent SDK wrapper for wai. (library, mit)
helisp program: An incomplete Elisp compiler (bsd3, program)
helium library and programs: The Helium Compiler. (gpl, library, program)
hell library and program: A Haskell shell based on shell-conduit (bsd3, library, program)
hellage programs: Distributed hackage mirror (bsd3, program)
hellnet library and programs: Simple, distributed, anonymous data sharing network. (gpl, library, program)
hello program: Hello World, an example package (bsd3, program)
helm library: A functionally reactive game engine. (library, mit)
help-esb library: A Haskell client for the Help.com team's ESB. (library, mit)
hemkay program: A module music mixer and player (bsd3, program)
hemkay-core library: A device independent module music mixer (bsd3, library)
hemokit library and programs: Haskell port of the Emokit EEG project (library, mit, program)
hen library: Haskell bindings to Xen hypervisor interface (library, mit)
henet library: Bindings and high level interface for to ENet v1.3.9 (library, mit)
hepevt library: HEPEVT parser (library, mit)
her-lexer library: A lexer for Haskell source code. (library, public-domain)
her-lexer-parsec library: Parsec frontend to "her-lexer" for Haskell source code. (library, public-domain)
herbalizer program: HAML to ERB translator (mit, program)
here library: Here docs & interpolated strings via quasiquotation (bsd3, library)
heredoc library: multi-line string / here document using QuasiQuotes (library, public-domain)
hermit library and program: Haskell Equational Reasoning Model-to-Implementation Tunnel (bsd3, library, program)
hermit-syb library: HERMIT plugin for optimizing Scrap-Your-Boilerplate traversals. (bsd3, library)
heroku library: helpers for deploying to Heroku (bsd3, library)
herringbone library: A library for compiling and serving static web assets. (library, mit)
herringbone-embed library: Embed preprocessed web assets in your executable with Template Haskell. (library, mit)
herringbone-wai library: Wai adapter for the Herringbone web asset preprocessor. (library, mit)
hesql program: Haskell's embedded SQL (gpl, program)
hetero-map library: Pure heterogeneous maps. (bsd3, library)
hetris program: Text Tetris (gpl, program)
heukarya library: A genetic programming based on tree structure. (bsd3, library)
hevolisa program: Genetic Mona Lisa problem in Haskell (bsd3, program)
hevolisa-dph program: Genetic Mona Lisa problem in Haskell - using Data Parallel Haskell (bsd3, program)
hex library: Convert strings into hexadecimal and back. (bsd3, library)
hexdump library: A library for forming hexdumps. (library, public-domain)
hexif library: Reading Exif data form a JPEG file with Haskell (bsd3, deprecated, library)
hexpat library: XML parser/formatter based on expat (bsd3, library)
hexpat-iteratee library: Chunked XML parsing using iteratees (bsd3, library)
hexpat-lens library: Lenses for Hexpat. (library, mit)
hexpat-pickle library: XML picklers based on hexpat, source-code-similar to those of the HXT package (bsd3, library)
hexpat-pickle-generic library: Picklers for de/serialising Generic data types to and from XML (bsd3, deprecated, library)
hexpat-tagsoup library: Parse (possibly malformed) HTML to hexpat tree (bsd3, library)
hexpr library: A framework for symbolic, homoiconic languages. (bsd3, library)
hexquote library: Hexadecimal ByteString literals, with placeholders that bind variables (bsd3, library)
hfann library: Haskell binding to the FANN library (bsd3, library)
hfd program: Flash debugger (bsd3, program)
hfiar library and program: Four in a Row in Haskell!! (bsd3, library, program)
hflags library: Command line flag parser, very similar to Google's gflags (library)
hfoil library: Hess-Smith panel code for inviscid 2-d airfoil analysis (bsd3, library)
hfov library: Field-of-view calculation for low-resolution 2D raster grids. (bsd3, library)
hfractal program: OpenGL fractal renderer (bsd3, program)
hfsevents library: File/folder watching for OS X (bsd3)
hfusion library: A library for fusing a subset of Haskell programs. (bsd3, library)
hg-buildpackage programs: Tools to help manage Debian packages with Mercurial (gpl, program)
hgal library: library for computation automorphism group and canonical labelling of a graph (gpl, library)
hgalib library: Haskell Genetic Algorithm Library (library, public-domain)
hgdbmi library: GDB Machine Interface: program-driven control of GDB (bsd3, library)
hgen program: Random generation of modal and hybrid logic formulas (gpl, program)
hgeometric library: A geometric library with bindings to GPC. (library, mit)
hgeometry library: Geometry types in Haskell (bsd3, library)
hgettext library and program: Bindings to libintl.h (gettext, bindtextdomain) (bsd3, library, program)
hgithub library and program: Haskell bindings to the GitHub API (bsd3, library, program)
hgl-example program: Various animations generated using HGL (gpl, program)
hgom program: An haskell port of the java version of gom (gpl, program)
hgopher library: Gopher server (bsd3, library)
hharp library: Binding to libharp (bsd3, library)
hi library and program: Generate scaffold for cabal project (bsd3, library, program)
hiccup program: Relatively efficient Tcl interpreter with support for basic operations (gpl, program)
hichi program: haskell robot for IChat protocol (gpl, program)
hidapi library: Haskell bindings to HIDAPI (library, mit)
hieraclus library: Automated clustering of arbitrary elements in Haskell. (bsd3, library)
hierarchical-clustering library: Fast algorithms for single, average/UPGMA and complete linkage clustering. (bsd3, library)
hierarchical-clustering-diagrams library: Draw diagrams of dendrograms made by hierarchical-clustering. (bsd3, library)
hierarchical-exceptions library: Template Haskell functions to easily create exception hierarchies (apache, library)
hiernotify library: Notification library for a filesystem hierarchy. (bsd3, library)
highWaterMark program: Memory usage statistics (deprecated, gpl, program)
higher-leveldb library: A rich monadic API for working with leveldb databases. (bsd3, library)
higherorder library: Some higher order functions for Bool and [] (bsd3, deprecated, library)
highlight-versions program: Highlight package versions which differ from the latest version on Hackage (bsd3, program)
highlighter library: source code highlighting (bsd3, library)
highlighting-kate library: Syntax highlighting (gpl, library)
hills program: Generate STL models from SRTM elevation data. (bsd3, program)
himerge program: Haskell Graphical User Interface for Emerge (gpl, program)
himg library and program: Simple gtk2hs image viewer. Point it at an image and fire away. (gpl, library, program)
himpy program: multithreaded snmp poller for riemann (mit, program)
hindent library and programs: Extensible Haskell pretty printer (bsd3, library, program)
hinduce-associations-apriori library: Apriori algorithm for association rule mining (library, mit)
hinduce-classifier library: Interface and utilities for classifiers (bsd3, library)
hinduce-classifier-decisiontree library: Decision Tree Classifiers for hInduce (bsd3, library)
hinduce-examples library: Example data for hInduce (bsd3, library)
hinduce-missingh library: Utility functions (bsd3, library)
hinotify library: Haskell binding to inotify (bsd3, library)
hinquire library: Generate armet style query strings. (library, mit)
hinstaller library: Installer wrapper for Haskell applications (lgpl, library)
hint library: Runtime Haskell interpreter (GHC API wrapper) (bsd3, library)
hint-server library: A server process that runs hint. (bsd3, library)
hinvaders program: Space Invaders (gpl, program)
hinze-streams library: Streams and Unique Fixed Points (bsd3, library)
hipe library: Support for reading and writing ipe7 files (http://ipe7.sourceforge.net) (bsd3, library)
hips program: an IPS patcher (bsd3, program)
hircules program: IRC client (gpl, program)
hirt program: Calculates IRT 2PL and 3PL models (bsd3, program)
hissmetrics library: Unofficial API bindings to KISSmetrics. (bsd3, library)
hist-pl library and program: Umbrella package for the historical dictionary of Polish (bsd3, library, program)
hist-pl-dawg library: A generic, DAWG-based dictionary (bsd3, library)
hist-pl-fusion library: Merging historical dictionary with PoliMorf (bsd3, library)
hist-pl-lexicon library: A binary representation of the historical dictionary of Polish (bsd3, library)
hist-pl-lmf library: LMF parsing for the historical dictionary of Polish (bsd3, library)
hist-pl-transliter library: A simple EDSL for transliteration rules (bsd3, library)
hist-pl-types library: Types in the historical dictionary of Polish (bsd3, library)
histogram-fill library: Library for histograms creation. (bsd3, library)
histogram-fill-binary library: Binary instances for histogram-fill package (bsd3, library)
histogram-fill-cereal library: Library for histograms creation. (bsd3, library)
historian program: Extract the interesting bits from shell history (bsd3, program)
hit library: Git operations in haskell (bsd3, library)
hjpath library: XPath-like syntax for querying JSON (bsd3, library)
hjs library and program: JavaScript Parser (bsd3, library, program)
hjsmin library and program: Haskell implementation of a javascript minifier (bsd3, library, program)
hjson library: JSON parsing library (bsd3, library)
hjson-query library: library for querying from JSON (bsd3, library)
hlatex library: A library to build valid LaTeX files (bsd3, library)
hlbfgsb library: Haskell binding to L-BFGS-B version 3.0 (bsd3, library)
hlcm library and programs: Fast algorithm for mining closed frequent itemsets (bsd3, library, program)
hledger library and program: The main command-line interface for the hledger accounting tool. (gpl, library, program)
hledger-chart program: A pie chart image generator for the hledger accounting tool. (deprecated, gpl, program)
hledger-diff program: Compares the transactions in two ledger files. (gpl, program)
hledger-interest program: computes interest for a given account (bsd3, program)
hledger-irr program: computes the internal rate of return of an investment (bsd3, program)
hledger-lib library: Core data types, parsers and utilities for the hledger accounting tool. (gpl, library)
hledger-vty program: A curses-style console interface for the hledger accounting tool. (deprecated, gpl, program)
hledger-web library: A web interface for the hledger accounting tool. (gpl, library)
hlibev library: FFI interface to libev (bsd3, library)
hlibfam library: FFI interface to libFAM (bsd3, library)
hlibgit2 library: Low-level bindings to libgit2 (library, mit)
hlint library and program: Source code suggestions (bsd3, library, program)
hlogger library: Simple, concurrent, extendable and easy-to-use logging library (bsd3, deprecated, library)
hlongurl library and program: Library and utility interfacing to longurl.org (bsd3, library, program)
hls library: Haskell Lindenmayer Systems (gpl, library)
hly library: Haskell LilyPond (gpl, library)
hmark library and program: A tool and library for Markov chains based text generation. (bsd3, library, program)
hmarkup library: Simple wikitext-like markup format implementation. (bsd3, library)
hmatrix library: Numeric Linear Algebra (bsd3, library)
hmatrix-banded library: HMatrix interface to LAPACK functions for banded matrices (bsd3, library)
hmatrix-csv library: CSV encoding and decoding for hmatrix. (bsd3, library)
hmatrix-glpk library: Linear Programming based on GLPK (gpl, library)
hmatrix-gsl library: Numerical computation (gpl, library)
hmatrix-gsl-stats library: GSL Statistics interface (bsd3, library)
hmatrix-mmap library: Memory map Vector from disk into memory efficiently (bsd3, library)
hmatrix-nipals library: NIPALS method for Principal Components Analysis on large data-sets. (lgpl, library)
hmatrix-quadprogpp library: Bindings to the QuadProg++ quadratic programming library (bsd3, library)
hmatrix-repa library: Adaptors for interoperability between hmatrix and repa (bsd3, library)
hmatrix-special library: Interface to GSL special functions (gpl, library)
hmatrix-static library: hmatrix with vector and matrix sizes encoded in types (gpl, library)
hmatrix-svdlibc library and program: SVDLIBC bindings for HMatrix (bsd3, library, program)
hmatrix-syntax library: MATLAB-like syntax for hmatrix vectors and matrices (gpl, library)
hmatrix-tests library: Tests for hmatrix (bsd3, library)
hmeap library: Haskell Meapsoft Parser (gpl, library)
hmeap-utils programs: Haskell Meapsoft Parser Utilities (gpl, program)
hmemdb library: In-memory relational database (bsd3, library)
hmidi library: Binding to the OS level MIDI services (bsd3, library)
hmk library and program: A make alternative based on Plan9's mk. (gpl, library, program)
hmm library: A hidden markov model library (bsd3, library)
hmp3 program: An ncurses mp3 player written in Haskell (gpl, program)
hmpfr library: Haskell binding to the MPFR library (bsd3, library)
hmt library: Haskell Music Theory (gpl, library)
hmt-diagrams library: Haskell Music Theory Diagrams (gpl, library)
hmumps program: Interpreter for the MUMPS langugae (gpl, program)
hnetcdf library and programs: Haskell NetCDF library (bsd3, library, program)
hnn library: A reasonably fast and simple neural network library (bsd3, library)
hnop program: (all-rights-reserved, program)
hoauth library: A Haskell implementation of OAuth 1.0a protocol. (bsd3, library)
hoauth2 library: hoauth2 (bsd3, library)
hob library and program: A source code editor aiming for the convenience of use (gpl, library, program)
hobbes program: A small file watcher for OSX (bsd3, program)
hobbits library: A library for canonically representing terms with binding (bsd3, library)
hoe program: Haskell One-liner Evaluator (bsd3, program)
hofix-mtl library: defining @mtl@-ready monads as * -> * fixed-points (library)
hog program: Simple IRC logger bot. (bsd3, program)
hogg library and programs: Library and tools to manipulate the Ogg container format (bsd3, library, program)
hogre library: Haskell binding to a subset of OGRE (library, mit)
hogre-examples programs: Examples for using Hogre. (mit, program)
hois library and program: OIS bindings (bsd3, library, program)
hoist-error library: Some convenience facilities for hoisting errors into a monad (library, mit)
hold-em library: An engine for Texas hold'em Poker (bsd3, library)
hole library: Higher kinded type removal (bsd3, library)
holey-format library: None (bsd3, deprecated, library)
holy-project library and programs: Start your Haskell project with cabal, git and tests. (library, mit, program)
homeomorphic library: Homeomorphic Embedding Test (bsd3, library)
hommage library: Haskell Offline Music Manipulation And Generation EDSL (bsd3, library)
hommage-ds library: DirectSound extension (Windows) for the Hommage sound library (gpl, library)
honi library: OpenNI 2 binding (library, mit)
honk library: Cross-platform interface to the PC speaker. (library)
hoobuddy program: Simple tool for fetching and merging hoogle data (mit, program)
hood library: Debugging by observing in place (bsd3, library)
hood-off library: Dummy package to disable Hood without having to remove all the calls to observe (bsd3, library)
hoodie program: A small, toy roguelike (gpl, program)
hoodle library and program: Executable for hoodle (gpl, library, program)
hoodle-builder library: text builder for hoodle file format (bsd3, library)
hoodle-core library: Core library for hoodle (gpl, library)
hoodle-extra programs: extra hoodle tools (gpl, program)
hoodle-parser library: Hoodle file parser (bsd3, library)
hoodle-publish program: publish hoodle files as a static web site (gpl, program)
hoodle-render library: Hoodle file renderer (gpl, library)
hoodle-types library: Data types for programs for hoodle file format (bsd3, library)
hoogle library and program: Haskell API Search (bsd3, library, program)
hoogle-index program: Easily generate Hoogle indices for installed packages (bsd3, program)
hooks-dir library: run executables in a directory as hooks (bsd3, library)
hoopl library: A library to support dataflow analysis and optimization (bsd3, library)
hoovie program: Haskell Media Server (bsd3, program)
hopencc library: Haskell binding to libopencc (bsd3, library)
hopencl library: Haskell bindings for OpenCL (bsd3, library)
hopenpgp-tools programs: hOpenPGP-based command-line tools (program)
hopenssl library: FFI bindings to OpenSSL's EVP digest interface (bsd3, library)
hopfield library and programs: Hopfield Networks, Boltzmann Machines and Clusters (library, mit, program)
hopfield-networks library and program: Hopfield Networks for unsupervised learning in Haskell (library, mit, program)
hopfli library: zlib compatible compression using Zopfli Compression Algorithm (apache, library)
hoq program: A language based on homotopy type theory with an interval type (gpl, program)
hosc library: Haskell Open Sound Control (gpl, library)
hosc-json library: Haskell Open Sound Control JSON Serialisation (gpl, library)
hosc-utils programs: Haskell Open Sound Control Utilities (gpl, program)
hostname library: A very simple package providing a cross-platform means of determining the hostname (bsd3, library)
hostname-validate library: Validate hostnames e.g. localhost or foo.co.uk. (bsd3, library)
hosts-server program: An dns server which is extremely easy to config. (gpl, program)
hothasktags program: Generates ctags for Haskell, incorporating import lists and qualified imports (bsd3, program)
hotswap library: Simple code hotswapping. (bsd3, library)
hourglass library: simple performant time related library (bsd3, library)
hp2any-core library: Heap profiling helper library (bsd3, library)
hp2any-graph program: Real-time heap graphing utility and profile stream server with a reusable graphing module. (bsd3, program)
hp2any-manager program: A utility to visualise and compare heap profiles. (bsd3, program)
hp2html program: A tool for converting GHC heap-profiles to HTML. (bsd3, program)
hp2pretty program: generate pretty graphs from heap profiles (bsd3, program)
hpaco program: Modular template compiler (bsd3, program)
hpaco-lib library: Modular template compiler library (bsd3, library)
hpage program: A scrapbook for Haskell developers (bsd3, program)
hpapi library: Binding for the PAPI library (bsd3, library)
hpaste program: Haskell paste web site. (gpl, program)
hpasteit program: A command-line client for hpaste.org (bsd3, program)
hpc library: Code Coverage Library for Haskell (bsd3, library)
hpc-coveralls library and programs: Coveralls.io support for Haskell. (bsd3, library, program)
hpc-strobe library: Hpc-generated strobes for a running Haskell program (bsd3, library)
hpc-tracer program: Tracer with AJAX interface (bsd3, program)
hplayground library: monadic, reactive Formlets running in the Web browser (bsd3, library)
hplaylist program: Application for managing playlist files on a music player (gpl, program)
hpodder program: Podcast Aggregator (downloader) (gpl, program)
hpqtypes library: Haskell bindings to libpqtypes (bsd3, library)
hprotoc library and program: Parse Google Protocol Buffer specifications (bsd3, library, program)
hprotoc-fork library and program: Parse Google Protocol Buffer specifications (bsd3, library, program)
hps library: Haskell Postscript (gpl, library)
hps-cairo library and programs: Cairo rendering for the haskell postscript library (gpl, library, program)
hps-kmeans library: A nice implementation of the k-Means algorithm. (gpl, library)
hpuz library: Haskell bindings for libpuz (library)
hpygments library: Highlight source code using Pygments (library, mit)
hpylos program: AI of Pylos game with GLUT interface. (gpl, program)
hpyrg program: pyrg utility done right (mit, program)
hquantlib library: HQuantLib is a port of essencial parts of QuantLib to Haskell (lgpl, library)
hquery library: A query language for transforming HTML5 (library, mit)
hranker program: Basic utility for ranking a list of items (bsd3, program)
hricket program: A Cricket scoring application. (bsd3, program)
hruby library: Embed Ruby in your Haskell program. (bsd3, library)
hs-GeoIP library: Haskell bindings to the MaxMind GeoIPCity database via the C library (bsd3, library)
hs-bibutils library: Haskell bindings to bibutils, the bibliography conversion utilities. (gpl, library)
hs-blake2 library: A cryptohash-inspired library for blake2 (bsd3, library)
hs-captcha library: Generate images suitable for use as CAPTCHAs in online web-form security. (bsd3, library)
hs-carbon library: A Haskell framework for parallel monte carlo simulations (library, mit)
hs-carbon-examples programs: Example Monte Carlo simulations implemented with Carbon (mit, program)
hs-cdb library: A library for reading CDB (Constant Database) files. (bsd3, library)
hs-dotnet library: Pragmatic .NET interop for Haskell (bsd3, library)
hs-excelx library: HS-Excelx provides basic read-only access to Excel 2007 and 2010 documents in XLSX format. (bsd3, library)
hs-ffmpeg library: Bindings to FFMPEG library (bsd3, library)
hs-fltk library: Binding to GUI library FLTK (bsd3, library)
hs-gchart library: Haskell wrapper for the Google Chart API (bsd3, library)
hs-gen-iface program: Utility to generate haskell-names interface files (mit, program)
hs-gizapp library: Haskell wrapper around the GIZA++ toolkit. (bsd3, library)
hs-java library: Java .class files assembler/disassembler (bsd3, library)
hs-json-rpc library: JSON-RPC client library (bsd3, library)
hs-logo program: Logo interpreter written in Haskell (bsd3, program)
hs-mesos library and programs: (library, mit, program)
hs-nombre-generator program: Name generator. (mit, program)
hs-pgms library and program: Programmer's Mine Sweeper in Haskell (bsd3, library, program)
hs-php-session library: PHP session and values serialization (bsd3, library)
hs-pkg-config library: Create pkg-config configuration files (bsd3, library)
hs-pkpass library: A library for Passbook pass creation & signing (bsd3, library)
hs-scrape library: Simple and easy web scraping and automation in Haskell. (library, mit)
hs-twitter library: Haskell binding to the Twitter API (bsd3, library)
hs-twitterarchiver program: Commandline Twitter feed archiver (gpl, program)
hs-vcard library: Implements the RFC 2426 vCard 3.0 spec (bsd3, library)
hs2048 library and program: A 2048 clone in Haskell. (library, mit, program)
hs2bf program: Haskell to Brainfuck compiler (bsd3, program)
hs2dot program: Generate graphviz-code from Haskell-code. (program)
hsConfigure library: By using this package, you can make application configurable. (lgpl, library)
hsSqlite3 library: Sqlite3 bindings (lgpl, library)
hsXenCtrl library: FFI bindings to the Xen Control library. (bsd3, deprecated, library)
hsay program: (ab)Use Google Translate as a speech synthesiser (gpl, program)
hsb2hs program: Preprocesses a file, adding blobs from files as string literals. (bsd3, program)
hsbackup program: simple utility for rolling filesystem backups (bsd3, program)
hsbencher library: Launch and gather data from Haskell and non-Haskell benchmarks. (bsd3, library)
hsbencher-codespeed library: Backend for uploading benchmark data to CodeSpeed (bsd3, library)
hsbencher-fusion library and programs: Backend for uploading benchmark data to Google Fusion Tables. (bsd3, library, program)
hsc2hs program: A preprocessor that helps with writing Haskell bindings to C code (bsd3, program)
hsc3 library: Haskell SuperCollider (gpl, library)
hsc3-auditor library: Haskell SuperCollider Auditor (gpl, library)
hsc3-cairo library: haskell supercollider cairo drawing (gpl, library)
hsc3-data library: haskell supercollider data (gpl, library)
hsc3-db library: Haskell SuperCollider Unit Generator Database (gpl, library)
hsc3-dot library: haskell supercollider graph drawing (gpl, library)
hsc3-forth program: FORTH SUPERCOLLIDER (gpl, program)
hsc3-graphs library and program: Haskell SuperCollider Graphs (gpl, library, program)
hsc3-lang library: Haskell SuperCollider Language (gpl, library)
hsc3-lisp program: LISP SUPERCOLLIDER (gpl, program)
hsc3-plot library: Haskell SuperCollider Plotting (gpl, library)
hsc3-process library: Create and control scsynth processes (gpl, library)
hsc3-rec library: Haskell SuperCollider Record Variants (gpl, library)
hsc3-rw library: hsc3 re-writing (gpl, library)
hsc3-server library: SuperCollider server resource management and synchronization. (gpl, library)
hsc3-sf library: Haskell SuperCollider SoundFile (gpl, library)
hsc3-sf-hsndfile library: Haskell SuperCollider SoundFile (gpl, library)
hsc3-unsafe library: Unsafe Haskell SuperCollider (gpl, library)
hsc3-utils library and programs: Haskell SuperCollider Utilities (gpl, library, program)
hscamwire library: Haskell bindings to IIDC1394 cameras, via Camwire (lgpl, library)
hscassandra library: cassandra database interface (bsd3, library)
hscd library and program: Command line client and library for SoundCloud.com (bsd3, library, program)
hsclock program: An elegant analog clock using Haskell, GTK and Cairo (gpl, program)
hscolour library and program: Colourise Haskell code. (gpl, library, program)
hscope program: cscope like browser for Haskell code (bsd3, program)
hscrtmpl program: Haskell shell script template (bsd3, program)
hscurses library: NCurses bindings for Haskell (lgpl, library)
hscurses-fish-ex program: hscurses swimming fish example (bsd3, program)
hsdev library and programs: Haskell development library and tool with support of autocompletion, symbol info, go to declaration, find references etc. (bsd3, library, program)
hsdif library: Haskell SDIF (gpl, library)
hsdip library and program: hsdip - a Diplomacy parser/renderer (bsd3, library, program)
hsdns library: Asynchronous DNS Resolver (lgpl, library)
hsdns-cache library: Caching asynchronous DNS resolver. (bsd3, library)
hse-cpp library: Preprocess+parse haskell code (library, mit)
hsebaysdk library: Haskell eBay SDK (bsd3, library)
hsemail library: Internet Message Parsers (bsd3, library)
hsemail-ns library: Internet Message Parsers (bsd3, library)
hsenv program: Virtual Haskell Environment builder (bsd3, program)
hserv program: Simple http server in haskell. (mit, program)
hsexif library: EXIF handling library in pure Haskell (bsd3, library)
hsfacter library: A small and ugly library that emulates the output of the puppet facter program. (deprecated, gpl, library)
hsfcsh programs: Incremental builder for flash (bsd3, program)
hsfilt program: Z-decoder. (mit, program)
hsgnutls library: Library wrapping the GnuTLS API. (lgpl, library)
hsgnutls-yj library: Library wrapping the GnuTLS API. (deprecated, lgpl, library)
hsgsom library: An implementation of the GSOM clustering algorithm. (bsd3, library)
hsgtd program: Console-based gettings-things-done application (gpl, program)
hsharc library: Haskell SHARC bindings (gpl, library)
hsignal library: Signal processing and EEG data analysis (bsd3, library)
hsimport library and program: A command line program for extending the import list of a Haskell source file. (bsd3, library, program)
hsini library: Package for user configuration files (INI) (bsd3, library)
hskeleton library: Skeleton for new Haskell programs (bsd3, library)
hslackbuilder program: HSlackBuilder automatically generates slackBuild scripts from a cabal package (bsd3, program)
hslibsvm library: A FFI binding to libsvm. (bsd3, library)
hslinks program: Resolves links to Haskell identifiers. (bsd3, program)
hslogger library: Versatile logging framework (bsd3, library)
hslogger-template library: Automatic generation of hslogger functions (library, public-domain)
hslogger4j library: DEPRECATED hslogger handlers for log4j's XMLLayout (deprecated, lgpl, library)
hslogstash library: A library to work with, or as, a logstash server (bsd3, library)
hslua library: A Lua language interpreter embedding in Haskell (library, mit)
hsmagick library: FFI bindings for the GraphicsMagick library (bsd3, library)
hsmtpclient library: Simple SMTP Client (bsd3, library)
hsndfile library: Haskell bindings for libsndfile (lgpl, library)
hsndfile-storablevector library: Haskell bindings for libsndfile (Data.StorableVector interface) (lgpl, library)
hsndfile-vector library: Haskell bindings for libsndfile (Data.Vector interface) (lgpl, library)
hsnock library and program: Nock 5K interpreter. (library, program, public-domain)
hsnoise library: A coherent 3d noise library. (bsd3, library)
hsns program: a miniature network sniffer (bsd3, program)
hsnsq library: Haskell NSQ client. (apache, library)
hsntp library and programs: Libraries to use SNTP protocol and small client/server implementations. (bsd3, library, program)
hsoptions library and programs: Haskell library that supports command-line flag processing (apache, flag, flags, library, option, options, program)
hsp library: Haskell Server Pages is a library for writing dynamic server-side web pages. (bsd3, library)
hsp-cgi library: Facilitates running Haskell Server Pages web pages as CGI programs. (bsd3, library)
hsparklines library: Sparklines for Haskell (bsd3, library)
hsparql library: A SPARQL query generator and DSL, and a client to query a SPARQL server. (bsd3, library)
hspear library: Haskell Spear Parser (gpl, library)
hspec library: A Testing Framework for Haskell (library, mit)
hspec-attoparsec library: Utility functions for testing your attoparsec parsers with hspec (bsd3, library)
hspec-checkers library: Allows to use checkers properties from hspec (bsd3, library)
hspec-contrib library: Contributed functionality for Hspec (library, mit)
hspec-core library: A Testing Framework for Haskell (library, mit)
hspec-discover library and program: Automatically discover and run Hspec tests (library, mit, program)
hspec-expectations library: Catchy combinators for HUnit (library, mit)
hspec-expectations-lens library: Hspec expectations for the lens stuff (bsd2, library)
hspec-expectations-lifted library: A version of hspec-expectations generalized to MonadIO (library, mit)
hspec-expectations-pretty library: hspec-expectations with pretty printing on failure (library, mit)
hspec-experimental library: An experimental DSL for testing on top of Hspec (library, mit)
hspec-jenkins library: Jenkins-friendly XML formatter for Hspec (library, mit)
hspec-laws library: Document and test laws for standard type classes (library, mit)
hspec-meta library and program: A version of Hspec which is used to test Hspec itself (library, mit, program)
hspec-server library: Test Framework for checking server's status (bsd3, library)
hspec-shouldbe library: Convenience wrapper and utilities for hspec (deprecated, library, mit)
hspec-smallcheck library: SmallCheck support for the Hspec testing framework (library, mit)
hspec-snap library: A library for testing with Hspec and the Snap Web Framework (bsd3, library)
hspec-test-framework library: Run test-framework tests with Hspec (library, mit)
hspec-test-framework-th library: Run test-framework tests with Hspec (library, mit)
hspec-test-sandbox library: Hspec convenience functions for use with test-sandbox (bsd3, library)
hspec-wai library: Experimental Hspec support for testing WAI applications (library, mit)
hspec-wai-json library: Testing JSON APIs with hspec-wai (library, mit)
hspec-webdriver library: Write end2end web application tests using webdriver and hspec (library, mit)
hspec2 library: Alpha version of Hspec 2.0 (deprecated, library, mit)
hspr-sh library: Session handler for HSP (library, public-domain)
hspread library: A client library for the spread toolkit (bsd3, library)
hspresent library and program: A terminal presentation tool (bsd3, library, program)
hsprocess library and program: The Haskell Stream Processor command line utility (deprecated, gpl, library, program)
hsql library: Database access from Haskell. (bsd3, library)
hsql-mysql library: MySQL driver for HSQL. (bsd3, deprecated, library)
hsql-odbc library: A Haskell Interface to ODBC. (bsd3, library)
hsql-postgresql library: A Haskell Interface to PostgreSQL via the PQ library. (bsd3, library)
hsql-sqlite3 library: SQLite3 driver for HSQL. (bsd3, library)
hsqml library: Haskell binding for Qt Quick (bsd3, library)
hsqml-demo-morris program: HsQML-based implementation of Nine Men's Morris (bsd3, program)
hsqml-demo-notes program: Sticky notes example program implemented in HsQML (bsd3, program)
hsqml-demo-samples programs: HsQML sample programs (bsd3, program)
hsqml-morris program: HsQML-based implementation of Nine Men's Morris (bsd3, deprecated, program)
hsshellscript library: Haskell for Unix shell scripting tasks (lgpl, library)
hssourceinfo programs: get haskell source code info (bsd3, program)
hssqlppp library: SQL parser and type checker (bsd3, library)
hstatistics library: Statistics (bsd3, library)
hstats library: Statistical Computing in Haskell (bsd3, library)
hstatsd library: Quick and dirty statsd interface (library, public-domain)
hstest program: Runs tests via QuickCheck1 and HUnit; like quickCheck-script but uses GHC api (bsd3, program)
hstidy program: Takes haskell source on stdin, parses it, then prettyprints it to stdout. (bsd3, program)
hstorchat library and program: Distributed instant messaging over Tor (gpl, library, program)
hstradeking library and program: Tradeking API bindings for Haskell (bsd3, library, program)
hstyle program: Checks Haskell source code for style compliance. (bsd3, program)
hstzaar program: A two player abstract strategy game. (bsd3, program)
hsubconvert program: One-time, faithful conversion of Subversion repositories to Git (bsd3, program)
hswip library: embedding prolog in haskell (gpl, library)
hsx library and program: HSX (Haskell Source with XML) allows literal XML syntax in Haskell source code. (bsd3, library, program)
hsx-jmacro library: hsp+jmacro support (bsd3, library)
hsx-xhtml library: XHTML utilities to use together with HSX. (bsd3, library)
hsx2hs library and program: HSX (Haskell Source with XML) allows literal XML syntax in Haskell source code. (bsd3, library, program)
hsyscall library: FFI to syscalls (bsd3, library)
hsyslog library: FFI interface to syslog(3) from POSIX.1-2001 (bsd3, library)
hszephyr library: Simple libzephyr bindings (bsd3, library)
htags program: A Haskell98 parsing tags program similar to ctags. (bsd3, program)
htar program: Command-line tar archive utility. (bsd3, program)
htiled library: Import from the Tiled map editor. (bsd3, library)
htime program: Timing utility for the command line (bsd3, program)
html library: HTML combinator library (bsd3, library)
html-conduit library: Parse HTML documents using xml-conduit datatypes. (library, mit)
html-kure library: HTML rewrite engine, using KURE. (bsd3, library)
html-minimalist library: Minimalist haskell html library (gpl, library)
html-rules library: Perform traversals of HTML structures using sets of rules. (bsd3, library)
html-truncate library: A HTML truncator (bsd3, library)
html2hamlet program: HTML to Hamlet converter (bsd3, program)
htodo program: A todo application. (bsd3, program)
htoml library and program: Parser for TOML files (JSON, bsd3, configuration, language, library, parser)
htrace library: Hierarchical tracing for debugging of lazy evaluation (bsd3, library)
hts library: Haskell Music Typesetting (gpl, library)
htsn program: Parse XML files from The Sports Network feed. (gpl, program)
htsn-common library: Display/logging facilities used by both htsn and htsn-import. (gpl, library)
htsn-import program: Import XML files from The Sports Network into an RDBMS. (gpl, program)
http-accept library: Functions for working with HTTP Accept headers (library)
http-attoparsec library: Attoparsec parsers for http-types. (bsd3, library)
http-client library: An HTTP client engine, intended as a base layer for more user-friendly packages. (library, mit)
http-client-auth library: HTTP authorization (both basic and digest) done right (bsd3, library)
http-client-conduit library: Frontend support for using http-client with conduit (deprecated) (deprecated, library, mit)
http-client-lens library: Optics for http-client (bsd3, library)
http-client-multipart library: Generate multipart uploads for http-client. (deprecated) (deprecated, library, mit)
http-client-openssl library: http-client backend using the OpenSSL library. (library, mit)
http-client-request-modifiers library: Convenient monadic HTTP request modifiers (bsd3, library)
http-client-streams library: http-client for io-streams supporting openssl (bsd3, library)
http-client-tls library: http-client backend using the connection package and tls library (library, mit)
http-common library: Common types for HTTP clients and servers (bsd3, library)
http-conduit library: HTTP client package with conduit interface and HTTPS support. (bsd3, library)
http-conduit-browser library: Browser interface to the http-conduit package (bsd3, library)
http-conduit-downloader library: HTTP downloader tailored for web-crawler needs. (bsd3, library)
http-date library: HTTP Date parser/formatter (bsd3, library)
http-encodings library: A library for encoding and decoding bodies of HTTP messages (bsd3, library)
http-enumerator library: HTTP client package with enumerator interface and HTTPS support. (deprecated) (bsd3, deprecated, library)
http-kit library: A low-level HTTP library (library, mit)
http-link-header library: A parser and writer for the HTTP Link header as specified in RFC 5988 "Web Linking". (apache, library)
http-media library: Processing HTTP Content-Type and Accept headers (library, mit)
http-monad library: Monad abstraction for HTTP allowing lazy transfer and non-I/O simulation (bsd3, library)
http-proxy library: A library for writing HTTP and HTTPS proxies (bsd3, library)
http-querystring library: The HTTP query builder. (bsd3, library)
http-reverse-proxy library: Reverse proxy HTTP requests, either over raw sockets or with WAI (bsd3, library)
http-server library: A library for writing Haskell web servers. (bsd3, library)
http-shed library: A simple websever with an interact style API (bsd3, deprecated, library)
http-streams library: An HTTP client using io-streams (bsd3, library)
http-test library and program: Test framework for HTTP APIs (bsd3, library, program)
http-types library: Generic HTTP types for Haskell (for both client and server code). (bsd3, library)
http-wget library: Provide a simple HTTP client interface by wrapping the wget command line tool. (deprecated) (bsd3, deprecated, library)
http2 library: HTTP/2.0 library including frames and HPACK (bsd3, library)
httpd-shed library: A simple web-server with an interact style API (bsd3, library)
https-everywhere-rules library: High-level access to HTTPS Everywhere rulesets. (library, mit)
https-everywhere-rules-raw library: Low-level (i.e. XML) access to HTTPS Everywhere rulesets. (gpl, library)
httpspec library: Specification of HTTP request/response generators and parsers (lgpl, library)
htune program: harmonic analyser and tuner for musical instruments (bsd3, program)
htzaar program: A two player abstract strategy game. (bsd3, program)
hub program: For multiplexing GHC installations and providing development sandboxes (bsd3, program)
hubigraph library: A haskell wrap for Ubigraph (bsd3, library)
hubris library and program: Support library for Hubris, the Ruby <=> Haskell bridge (library, program)
huffman library: Pure Haskell implementation of the Huffman encoding algorithm (bsd3, library)
hugs2yc library: Hugs Front-end to Yhc Core. (bsd3, library)
hulk library and programs: IRC server written in Haskell. (bsd3, library, program)
hums program: Haskell UPnP Media Server (gpl, program)
hunit-gui library and program: A GUI testrunner for HUnit (library, program, public-domain)
hunit-parsec library: An HUnit Testable instance for Parsec parser unit tests. (bsd3, library)
hunit-rematch library: HUnit support for rematch (library, mit)
hunp program: Unpacker tool with DWIM (gpl, program)
hurdle program: Extract function names from Windows DLLs. (bsd3, program)
husk-scheme library and programs: R5RS Scheme interpreter, compiler, and library. (library, mit, program)
husk-scheme-libs library: Extra libraries for the husk Scheme platform. (library, mit)
husky program: A simple command line calculator. (gpl, program)
huzzy library: Fuzzy logic library with support for T1, IT2, GT2. (library, mit)
hwall-auth-iitk program: Initial version of firewall Authentication for IITK network. (bsd3, program)
hweblib library: Haskell Web Library (bsd3, library)
hws program: Simple Haskell Web Server (bsd3, program)
hx library: Haskell extras (missing utility functions). (library, mit)
hxmppc program: Haskell XMPP (Jabber Client) Command Line Interface (CLI) (bsd3, program)
hxournal library and program: A pen notetaking program written in haskell (bsd3, library, program)
hxt library: A collection of tools for processing XML with Haskell. (library, mit)
hxt-binary library: Serialisation and deserialisation of HXT XmlTrees. (library)
hxt-cache library: Cache for HXT XML Documents and other binary data (library)
hxt-charproperties library: Character properties and classes for XML and Unicode (library, mit)
hxt-css library: CSS selectors for HXT (bsd3, library)
hxt-curl library: LibCurl interface for HXT (library)
hxt-expat library: Expat parser for HXT (library)
hxt-extras library: Extra functions for HXT (bsd3, library)
hxt-filter library: A collection of tools for processing XML with Haskell (Filter variant). (library)
hxt-http library: Interface to native Haskell HTTP package HTTP (library, mit)
hxt-pickle-utils library: Utility functions for using HXT picklers. (bsd3, library)
hxt-regex-xmlschema library: A regular expression library for W3C XML Schema regular expressions (library, mit)
hxt-relaxng library: The HXT RelaxNG validator (library, mit)
hxt-tagsoup library: TagSoup parser for HXT (library)
hxt-unicode library: Unicode en-/decoding functions for utf8, iso-latin-* and other encodings (library, mit)
hxt-xpath library: The XPath modules for HXT. (library)
hxt-xslt library: The XSLT modules for HXT. (library)
hxthelper library: Helper functions for HXT (lgpl, library)
hxweb library: Minimal webframework using fastcgi, libxml2 and libxslt. (bsd3, library)
hyahtzee program: A Yahtzee game implementation in Haskell (bsd3, program)
hyakko program: Literate-style Documentation Generator (mit, program)
hybrid program: A implementation of a type-checker for Lambda-H (bsd3, program)
hybrid-vectors library: Hybrid vectors e.g. Mixed Boxed/Unboxed vectors (bsd3, library)
hydra-hs library: Haskell binding to the Sixense SDK for the Razer Hydra (bsd3, library)
hydra-print library and programs: NCurses interface to view multiple ByteString streams in parallel. (bsd3, library, program)
hydrogen library: An alternate Prelude (gpl, library)
hydrogen-cli program: Hydrogen Data (mit, program)
hydrogen-cli-args library: Hydrogen Command Line Arguments Parser (library, mit)
hydrogen-data library: Hydrogen Data (bsd3, library)
hydrogen-multimap library: Hydrogen Multimap (library, mit)
hydrogen-parsing library: Hydrogen Parsing Utilities (library, mit)
hydrogen-prelude library: Hydrogen Prelude (library, mit)
hydrogen-syntax library: Hydrogen Syntax (bsd3, library)
hydrogen-util library: Hydrogen Tools (bsd3, deprecated, library)
hydrogen-version library: Hydrogen Version Type (library, mit)
hyena library: Simple web application server (bsd3, library)
hylolib library: Tools for hybrid logics related programs (gpl, library)
hylotab program: Tableau based theorem prover for hybrid logics (gpl, program)
hyloutils programs: Very small programs for hybrid logics (gpl, program)
hyperdrive library and program: a fast, trustworthy HTTP(s) server built (bsd3, library, program)
hyperloglog library: An approximate streaming (constant space) unique object counter (bsd3, library)
hyperpublic library: A thin wrapper for the Hyperpublic API (library, public-domain)
hyphenate library: Text hyphenation algorithm (bsd3, library)
hyphenation library: Configurable Knuth-Liang hyphenation (bsd3, library)
hzk library: Haskell client library for Apache Zookeeper (bsd3, library)
hzulip library: A haskell wrapper for the Zulip API. (gpl, library)
i18n library: Internationalization for Haskell (bsd3, library)
iCalendar library: iCalendar data types, parser, and printer. (bsd3, library)
iException library: Version of Control.Exception using InterleavableIO. (deprecated, library)
iban library: Validate and generate IBANs (bsd3, library)
iconv library: String encoding conversion (bsd3, library)
ideas library: Feedback services for intelligent tutoring systems (gpl, library)
ideas-math program: Interactive domain reasoner for logic and mathematics (gpl, program)
idempotent library: Idempotent monoids (library, mit)
identifiers library: Numeric identifiers for values. (bsd3, library)
idiii library and program: ID3v2 (tagging standard for MP3 files) library (bsd3, library, program)
idna library: Implements IDNA (RFC 3490). (bsd3, library)
idna2008 library: Converts Unicode hostnames into ASCII (bsd3, deprecated, library)
idris library and programs: Functional Programming Language with Dependent Types (bsd3, library, program)
ieee library: Utilities for dealing with IEEE floating point numbers (bsd3, deprecated, library)
ieee-utils library: ieee-utils (bsd3, library)
ieee-utils-tempfix library: ieee-utils (bsd3, library)
ieee754 library: Utilities for dealing with IEEE floating point numbers (bsd3, library)
ieee754-parser library: (deprecated, gpl, library)
iff library: Constructing and dissecting IFF files (gpl, library)
ifscs library: An inductive-form set constraint solver (bsd3, library)
ig library: Bindings to Instagram's API. (bsd3, library)
ige-mac-integration library: Bindings for the Gtk/OS X integration library. (deprecated, lgpl, library)
igraph library: Bindings to the igraph C library. (bsd3, library)
igrf library: International Geomagnetic Reference Field (bsd3, library)
ihaskell library and program: A Haskell backend kernel for the IPython project. (library, mit, program)
ihaskell-aeson library: IHaskell display instances for Aeson (library, mit)
ihaskell-blaze library: IHaskell display instances for blaze-html types (library, mit)
ihaskell-charts library: IHaskell display instances for charts types (library, mit)
ihaskell-diagrams library: IHaskell display instances for diagram types (library, mit)
ihaskell-display library: IHaskell display instances for basic types (library, mit)
ihaskell-magic library: IHaskell display instances for bytestrings (library, mit)
ihttp library and program: Incremental HTTP iteratee (bsd3, library, program)
illuminate library: A fast syntax highlighting library built with alex. (bsd3, library)
image-type library: Determine the type of an image by reading the first bytes. (bsd3, library)
imagefilters library: Image Filters (contrast, brightness, gaussian blur, etc) (bsd3, library)
imagemagick library: bindings to imagemagick library (library)
imagepaste program: Command-line image paste utility (bsd3, program)
imagesize-conduit library: Determine the size of some common image formats. (bsd3, library)
imapget program: Downloads email from imap SSL servers. (bsd3, program)
imbib programs: Minimalistic reference manager. (gpl, program)
imgurder library and program: Uploader for Imgur (bsd3, library, program)
imm library and program: Retrieve RSS/Atom feeds and write one mail per new item in a maildir. (library, program)
immortal library: Spawn threads that never die (unless told to do so) (library, mit)
imparse library and program: Multi-platform parser analyzer and generator. (gpl, library, program)
implicit library and program: Math-inspired programmatic 2&3D CAD: CSG, bevels, and shells; gcode export.. (gpl, library, program)
implicit-params library: Named and unnamed implicit parameters with defaults. (bsd3, library)
imports library: Generate code for importing directories automatically (library, mit)
improve library: An imperative, verifiable programming language for high assurance applications. (bsd3, library)
inc-ref library: A STM reference useful for incremental computing (bsd3, library)
inch program: A type-checker for Haskell with integer constraints (bsd3, program)
include-file library: Inclusion of files in executables at compile-time. (bsd3, library)
incremental-parser library: Generic parser library capable of providing partial results from partial input. (gpl, library)
incremental-sat-solver library: Simple, Incremental SAT Solving as a Library (bsd3, library)
increments library: type classes for incremental updates to data (bsd3, library)
indentation library: Indentation sensitive parsing combinators for Parsec and Trifecta (bsd3, library)
indentparser library: A parser for indentation based structures (library, public-domain)
indents library: indentation sensitive parser-combinators for parsec (bsd3, library)
index-core library: Indexed Types (bsd3, library)
indexed library: Haskell98 indexed functors, monads, comonads (bsd3, library)
indexed-do-notation library: Do notation for indexed monads (bsd3, library)
indexed-extras library: Indexed functors, monads and comonads that require extensions to Haskell98 (bsd3, library)
indexed-free library: indexed monads for free (bsd3, library)
indian-language-font-converter library: Indian Language Font Converter (bsd3, library)
indices library: Multi-dimensional statically bounded indices. (library, mit)
infer-upstream program: Find the repository from where a given repo was forked (github, mit, program)
infinite-search library: Exhaustively searchable infinite sets. (bsd3, library)
infinity program: (bsd3, program)
infix library: Infix expression re-parsing (for HsParser library) (gpl, library)
inflections library: Inflections library for Haskell (library, mit)
inflist library: An infinite list type and operations thereon. (bsd3, library)
influxdb library: Haskell client library for InfluxDB (bsd3, library)
informative library and program: A yesod subsite serving a wiki. (agpl, library, program)
ini library: Quick and easy configuration files in the INI format. (bsd3, library)
inject library and program: A minimalistic template engine (library, mit, program)
inject-function library: Monadic functions with injected parameters. (gpl, library)
inquire program: Console client for encyclopedias (gpl, program)
inserts library: Stupid simple bytestring templates. (library, mit)
inspection-proxy program: A simple proxy for debugging plaintext protocols communication (bsd3, program, proxy)
instant-generics library: Generic programming library with a sum of products view (bsd3, library)
instant-zipper library: Heterogenous Zipper in Instant Generics (gpl, library)
instinct library: Fast artifical neural networks (bsd3, library)
instrument-chord library: Render Instrument Chords (gpl, library)
int-cast library: Checked conversions between integral types (bsd3, library)
integer-gmp library: Integer library based on GMP (bsd3, library)
integer-pure library: A pure-Haskell implementation of arbitrary-precision Integers. (bsd3, library)
integration library: Fast robust numeric integration via tanh-sinh quadrature (bsd3, library)
intel-aes library: Hardware accelerated AES encryption and Random Number Generation. (bsd3, library)
interchangeable library: A type class for interchangeable data. (library, mit)
interleavableGen program: Generates a version of a module using InterleavableIO (program)
interleavableIO library: Use other Monads in functions that asks for an IO Monad. (library)
interleave library: Combinators for supporting interleaving of different behaviours (bsd3, library)
interlude library: Replaces some Prelude functions for enhanced error reporting (gpl, library)
intern library: Efficient hash-consing for arbitrary data types (bsd3, library)
internetmarke program: Shell command for constructing custom stamps for German Post (gpl, program)
interpol library and program: GHC preprocessor and library to enable variable interpolation in strings (gpl, library, program)
interpolate library: String interpolation done right (library, mit)
interpolatedstring-perl6 library: QuasiQuoter for Perl6-style multi-line interpolated strings (bsd3, library)
interpolatedstring-qq library: QuasiQuoter for Ruby-style multi-line interpolated strings. (bsd3, library)
interpolatedstring-qq-mwotton library: DO NOT USE THIS. interpolatedstring-qq works now. (bsd3, deprecated, library)
interpolation library: piecewise linear and cubic Hermite interpolation (bsd3, library)
intervals library: Interval Arithmetic (bsd3, library)
intricacy library: A game of competitive puzzle-design (gpl)
intset library: Pure, mergeable, succinct Int sets. (bsd3, library)
invariant library: Haskell 98 invariant functors (bsd3, library)
invertible-syntax library: Invertible syntax descriptions for both parsing and pretty printing. (bsd3, library)
io-capture library: capture IO action's stdout and stderr (bsd3, library)
io-choice library: Choice for IO and lifted IO (bsd3, library)
io-manager library and program: Skeleton library around the IO monad. (bsd3, library, program)
io-memoize library: Memoize IO actions (bsd3, library)
io-reactive library and program: An API for generating TIMBER style reactive objects. (bsd3, library, program)
io-storage library: A key-value store in the IO monad. (bsd3, library)
io-streams library: Simple, composable, and easy-to-use stream I/O (bsd3, library)
io-streams-http library: http-client for io-streams (bsd3, library)
io-throttle library: Limit number of IO actions started per second (library, mit)
ioctl library: Type-safe I/O control package (library, mit)
iothread library: run IOs in a single thread (library, mit)
iotransaction library: Supports the automatic undoing of IO operations when an exception is thrown. (library, mit)
ip6addr program: commandline tool to generate IPv6 address text representations (bsd3, program)
ipatch program: interactive patch editor (gpl, program)
ipc library: High level inter-process communication library (bsd3, deprecated, library)
ipcvar library: Simple inter-process communication through IPCVars. (library, mit)
ipopt-hs library: haskell binding to ipopt and nlopt including automatic differentiation (bsd3, library)
ipprint library: Tiny helper for pretty-printing values in ghci console (bsd3, library)
iproute library: IP Routing Table (bsd3, library)
iptables-helpers library and program: iptables rules parser/printer library (bsd3, library, program)
iptadmin program: web-interface for iptables (bsd3, program)
ipython-kernel library: A library for creating kernels for IPython frontends (library, mit)
irc library: A small library for parsing IRC messages. (bsd3, library)
irc-bytestring library: serialization and parsing of IRC messages (bsd3, library)
irc-conduit library: Streaming IRC message library using conduits. (library)
irc-ctcp library: A CTCP encoding and decoding library for IRC clients. (library)
ircbot library: A library for writing irc bots (bsd3, library)
ircbouncer library: None (bsd3, deprecated, library)
ireal library: Real numbers and intervals with not so inefficient exact arithmetic. (bsd3, library)
iron-mq library: Iron.IO message queueing client library (gpl, library)
ironforge library and program: A technical demo for Antisplice. (bsd3, library, program)
is library: Pattern predicates using TH (bsd3, library)
isdicom library and program: An executable and library to determine if a file is a DICOM file (bsd3, library, program)
isevaluated library: Check whether a value has been evaluated (library, mit)
isiz program: A program to show the size of image and whether suitable for wallpaper. (bsd3, program)
islink library: Check if an HTML element is a link (bsd3, library)
ismtp library: Advanced ESMTP library (bsd3, library)
iso3166-country-codes library: A datatype for ISO 3166 country codes (lgpl, library)
iso639 library: ISO-639-1 language codes (bsd3, library)
iso8583-bitmaps library: Parse and merge ISO 8583-style bitmaps (bsd3, library)
iso8601-time library: Convert to/from the ISO 8601 time format (library, mit)
isohunt library: Bindings to the isoHunt torrent search API (bsd3, library)
itanium-abi library: An implementation of name mangling/demangling for the Itanium ABI (bsd3, library)
iter-stats library: iteratees for statistical processing (bsd3, library)
iterIO library: Iteratee-based IO with pipe operators (bsd3, library)
iterable library: API for hierarchical multilevel collections. (bsd3, library)
iteratee library: Iteratee-based I/O (bsd3, library)
iteratee-compress library: Enumeratees for compressing and decompressing streams (bsd3, library)
iteratee-mtl library: Iteratee-based I/O (bsd3, deprecated, library)
iteratee-parsec library: Package allowing parsec parser initeratee (library, mit)
iteratee-stm library: Concurrent iteratees using STM (bsd3, library)
iterio-server library: Library for building servers with IterIO (bsd3, library)
ivar-simple library: Write once concurrency primitives. (library, mit)
ivor library: Theorem proving library based on dependent type theory (bsd3, deprecated, library)
ivory library: Safe embedded C programming. (bsd3, library)
ivory-backend-c library: Ivory C backend. (bsd3, library)
ivory-bitdata library and program: Ivory bit-data support. (bsd3, library, program)
ivory-examples programs: Ivory examples. (bsd3, program)
ivory-hw library: Ivory hardware model (STM32F4). (bsd3, library)
ivory-opts library: Ivory compiler optimizations. (bsd3, library)
ivory-quickcheck library: QuickCheck driver for Ivory. (bsd3, library)
ivory-stdlib library: Ivory standard library. (bsd3, library)
ivy-web library: A lightweight web framework (bsd3, library)
ix-shapable library: Reshape multi-dimensional arrays. (bsd3, library)
ixdopp program: A preprocessor for expanding "ixdo" notation for indexed monads (bsd3, program)
ixmonad library: Embeds effect systems into Haskell using parameteric effect monads (bsd3, deprecated, library)
ixset library: Efficient relational queries on Haskell sets. (bsd3, library)
ixset-typed library: Efficient relational queries on Haskell sets. (bsd3, library)
iyql program: CLI (command line interface) to YQL (gpl, program)
j2hs program: j2hs (mit, program)
jack library: Bindings for the JACK Audio Connection Kit (gpl, library)
jack-bindings library: DEPRECATED Bindings to the JACK Audio Connection Kit (deprecated, library, mit)
jackminimix library: control JackMiniMix (gpl, library)
jacobi-roots library: Roots of two shifted Jacobi polynomials (Legendre and Radau) to double precision (bsd3, library)
jail library: Jailed IO monad. (bsd3, library)
jailbreak-cabal program: Strip version restrictions from build dependencies in Cabal files. (bsd3, program)
jalaali library: Convert Jalaali and Gregorian calendar systems to each other (library, mit)
jalla library: Higher level functions for linear algebra. Wraps BLAS and LAPACKE. (bsd3, library)
jammittools library and program: Export sheet music and audio from Windows/Mac app Jammit (gpl, library, program)
jarfind library and program: Tool for searching java classes, members and fields in classfiles and JAR archives (gpl, library, program)
java-bridge library: Bindings to the JNI and a high level interface generator. (mit)
java-bridge-extras library: Utilities for working with the java-bridge package. (library, mit)
java-character library: Functions to simulate Java's Character class. (bsd3, library)
java-reflect library: Tools for reflecting on Java classes. (library, mit)
javasf program: A utility to print the SourceFile attribute of one or more Java class files. (bsd3, program)
javav program: A utility to print the target version of Java class files. (bsd3, program)
jcdecaux-vls library: JCDecaux self-service bicycles API client (library, mit)
jdi library and program: Implementation of Java Debug Interface (gpl, library, program)
jespresso library and program: Extract all JavaScript from an HTML page and consolidate it in one script. (bsd3, library, program)
jmacro library and program: QuasiQuotation library for programmatic generation of Javascript code. (bsd3, library, program)
jmacro-rpc library: JSON-RPC clients and servers using JMacro, and evented client-server Reactive Programming. (bsd3, library)
jmacro-rpc-happstack library: Happstack backend for jmacro-rpc (bsd3, library)
jmacro-rpc-snap library: Snap backend for jmacro-rpc (bsd3, library)
jobqueue library: A job queue library (library, mit)
join library: Parallel Join Patterns with Guards and Propagation (bsd3, library)
joinlist library: Join list - symmetric list type (bsd3, library)
jonathanscard library: An implementation of the Jonathan's Card API. (bsd3, library)
jort program: JP's own ray tracer (program)
jose library: Javascript Object Signing and Encryption and JSON Web Token library (apache, library)
jose-jwt library: JSON Object Signing and Encryption Library (bsd3, library)
jpeg library: A library for decoding JPEG files written in pure Haskell (bsd3, library)
js-flot library: Obtain minified flot code (library, mit)
js-good-parts library: Javascript: The Good Parts -- AST & Pretty Printer (bsd3, library)
js-jquery library: Obtain minified jQuery code (library, mit)
jsaddle library: High level interface for webkit-javascriptcore (library, mit)
jsaddle-hello program: JSaddle Hello World, an example package (mit, program)
jsc library: High level interface for webkit-javascriptcore (deprecated, library, mit)
jsmw library: Javascript Monadic Writer base package. (bsd3, library)
json library: Support for serialising Haskell to and from JSON (bsd3, library)
json-assertions library: Test that your (Aeson) JSON encoding matches your expectations (bsd3, library)
json-autotype library and program: Automatic type declaration for JSON input data (bsd3, library, program)
json-b library and program: JSON parser that uses byte strings. (bsd3, library, program)
json-builder library: Data structure agnostic JSON serialization (bsd3, library)
json-enumerator library: Pure-Haskell utilities for dealing with JSON with the enumerator package. (deprecated) (bsd3, deprecated, library)
json-extra library: Utility functions to extend Aeson (bsd2, library)
json-fu library: Generic JSON serialization / deserialization (library, mit)
json-python library: Call python inline from haskell (library, mit)
json-qq library: Json Quasiquatation library for Haskell. (library)
json-rpc library: Fully-featured JSON-RPC 2.0 library (library, public-domain)
json-rpc-client library: JSON-RPC 2.0 on the client side. (library, mit)
json-rpc-server library: JSON-RPC 2.0 on the server side. (library, mit)
json-schema library: Types and type classes for defining JSON schemas. (bsd3, library)
json-sop library: Generics JSON (de)serialization using generics-sop (bsd3, library)
json-tools programs: A collection of JSON tools (bsd3, program)
json-types library: Basic types for representing JSON (library, mit)
json2 library: Library provides support for JSON. (bsd3, library)
json2-hdbc library: Support JSON for SQL Database. (bsd3, library)
json2-types library: Defined JSON data types and function for renders JSON to string. (bsd3, library)
json2yaml program: Utility to convert a file from JSON to YAML format. (deprecated) (bsd3, deprecated, program)
jsonresume library: Parser and datatypes for the JSON Resume format (bsd3, library)
jsonrpc-conduit library: JSON-RPC 2.0 server over a Conduit. (gpl, library)
jsonsql program: Interpolate JSON object values into SQL strings (mit, program)
jsontsv program: JSON to TSV transformer (mit, program)
jspath library: Extract substructures from JSON by following a path. (bsd3, library)
judy library: Fast, scalable, mutable dynamic arrays, maps and hashes (bsd3, library)
jukebox library and program: A first-order reasoning toolbox (bsd3, library, program)
jvm-parser library: A parser for JVM bytecode files (bsd3, library)
jwt library: JSON Web Token (JWT) decoding and encoding (library, mit)
kafka-client library: Low-level Haskell client library for Apache Kafka 0.7. (library, mit)
kan-extensions library: Kan extensions, Kan lifts, various forms of the Yoneda lemma, and (co)density (co)monads (bsd3, library)
kangaroo library: Binary parsing with random access. (bsd3, library)
kansas-comet library: A JavaScript push mechanism based on the comet idiom (bsd3, library)
kansas-lava library: Kansas Lava is a hardware simulator and VHDL generator. (bsd3, library)
kansas-lava-cores library: FPGA Cores Written in Kansas Lava. (bsd3, library)
kansas-lava-papilio library: Kansas Lava support files for the Papilio FPGA board (bsd3, library)
kansas-lava-shake library: Shake rules for building Kansas Lava projects (bsd3, library)
karakuri library: Good stateful automata (bsd3, library)
karver library: A simple template engine, inspired by jinja2 (bsd3, library)
katt library and program: Client for the Kattis judge system. (bsd3, library, program)
kbq-gu programs: Rpoku spoken word programming language (gpl, program)
kd-tree library: A simple k-d tree implementation (bsd3, library)
kdesrc-build-extra program: Build profiles for kdesrc-build (gpl, program)
kdt library: Fast and flexible k-d trees for various types of point queries. (library, mit)
keiretsu program: Multi-process orchestration for development and integration testing (program)
keter library and program: Web application deployment manager, focusing on Haskell web frameworks (library, mit, program)
kevin program: a dAmn ↔ IRC proxy (gpl, program)
keyring library: Keyring access (library, mit)
keys library: Keyed functors and containers (bsd3, library)
keystore library and programs: Managing stores of secret things (bsd3, library, program)
keyvaluehash library: Pure Haskell key/value store implementation (bsd3, library)
keyword-args library and program: Extract data from a keyword-args config file format (library, mit, program)
kibro library: None (bsd3, deprecated, library)
kicad-data library: Parser and writer for KiCad files. (library, mit)
kickass-torrents-dump-parser library: Parses kat.ph torrent dumps (library, mit)
kickchan library: Kick Channels: bounded channels with non-blocking writes (bsd3, library)
kif-parser program: Process KIF iOS test logs (bsd3, program)
kinds library: Emulation of subkinds and subkind polymorphism (bsd3, library)
kit program: A dependency manager for Xcode (Objective-C) projects (bsd3, program)
kmeans library: K-means clustering algorithm (bsd3, library)
kmeans-par library: Sequential and parallel implementations of Lloyd's algorithm. (library, mit)
kmeans-vector library and program: An implementation of the kmeans clustering algorithm based on the vector package (bsd3, library, program)
knob library: Memory-backed handles (library, mit)
knots library and program: Khovanov homology computations (library, mit, program)
koellner-phonetic library: "map German words to code representing pronunciation" (bsd3, library)
kontrakcja-templates library: Utilities for working with many HStringTemplate templates from files (bsd3, library)
koofr-client library: Client to Koofr API (library, mit)
korfu program: The Korfu ORF Utility (gpl, program)
kqueue library: A binding to the kqueue event library. (bsd3, library)
krpc library: KRPC protocol implementation (bsd3, library)
ks-test library: Kolmogorov distribution and Kolmogorov-Smirnov test. (library, public-domain)
kure library: Combinators for Strategic Programming (bsd3, library)
kure-your-boilerplate library: Generator for Boilerplate KURE Combinators (bsd3, library)
kyotocabinet library: Mid level bindings to Kyoto Cabinet (bsd3, library)
l-bfgs-b library: Bindings to L-BFGS-B, Fortran code for limited-memory quasi-Newton bound-constrained optimization (bsd3, library)
labeled-graph library: Labeled graph structure (bsd3, library)
labeled-tree library: Labeled tree structure (bsd3, library)
laborantin-hs library and program: an experiment management framework (apache, library, program)
labyrinth library: A complicated turn-based game (library, mit)
labyrinth-server program: A complicated turn-based game - Web server (mit, program)
lagrangian library: Solve Lagrange multiplier problems (bsd3, library)
laika library: Minimalistic type-checked compile-time template engine (library, mit)
lambda-ast library: Lambda Calculi Abstract Syntax Trees (bsd3, library)
lambda-bridge library and program: A bridge from Haskell (on a CPU) to VHDL on a FPGA. (bsd3, library, program)
lambda-canvas library: Educational drawing canvas for FP explorers. (library, mit)
lambda-devs library and program: a Paralell-DEVS implementaion based on distributed-process (bsd3, library, program)
lambda-placeholders library: A library to emulate laceholders similar to Scala. (bsd3, library)
lambda-toolbox program: An application to work with the lambda calculus (for learning) (bsd3, program)
lambda2js program: Untyped Lambda calculus to JavaScript compiler (gpl, program)
lambdaBase library: (library, mit)
lambdaFeed program: RSS 2.0 feed generator (gpl, program)
lambdaLit program: ... (mit, program)
lambdabot library and program: Lambdabot is a development tool and advanced IRC bot (gpl, library, program)
lambdabot-utils library: Utility libraries for the advanced IRC bot, Lambdabot (gpl, library)
lambdacat library and program: Webkit Browser (bsd3, library, program)
lambdacms-core library: Core CMS extension for Yesod apps (library, mit)
lambdacms-media library: Media CMS extension for Yesod apps (library, mit)
lambdacube program: A simple lambda cube type checker. (bsd3, program)
lambdacube-bullet library: Example for combining LambdaCube and Bullet (bsd3, deprecated, library)
lambdacube-core library: LambdaCube 3D IR (bsd3, library)
lambdacube-edsl library: LambdaCube 3D EDSL definition (bsd3, library)
lambdacube-engine library: 3D rendering engine written entirely in Haskell (bsd3, deprecated, library)
lambdacube-examples programs: Examples for LambdaCube (bsd3, deprecated, program)
lambdacube-gl library: OpenGL backend for LambdaCube graphics language (main package) (bsd3, library)
lambdacube-samples programs: Samples for LambdaCube 3D (bsd3, program)
lambdatwit programs: Lambdabot running as a twitter bot. Similar to the @fsibot f# bot. (mit, program)
lambdiff program: Diff Viewer (bsd3, program)
lame-tester library: A strange and unnecessary selective test-running library (bsd3, library)
language-asn1 library: Parsing of ASN1 definitions (bsd3, library)
language-bash library: Parsing and pretty-printing Bash shell scripts (bsd3, library)
language-boogie library: Interpreter and language infrastructure for Boogie. (bsd3, library)
language-c library: Analysis and generation of C code (bsd3, library)
language-c-comments library: Extracting comments from C code (bsd3, library)
language-c-inline library: Inline C & Objective-C code in Haskell for language interoperability (bsd3, library)
language-c-quote library: C/CUDA/OpenCL/Objective-C quasiquoting library. (bsd3, library)
language-cil library: Manipulating Common Intermediate Language AST (bsd3, library)
language-css library: CSS 2.1 syntax (bsd3, library)
language-dot library: A library for the analysis and creation of Graphviz DOT files (bsd3, library)
language-ecmascript library: JavaScript parser and pretty-printer library (bsd3, library)
language-ecmascript-analysis library: JavaScript static analysis library (bsd3, library)
language-eiffel library: Parser and pretty printer for the Eiffel language. (bsd3, library)
language-fortran library: Fortran lexer and parser, language support, and extensions. (bsd3, library)
language-gcl library: Something similar to Dijkstra's guarded command language (library, mit)
language-glsl library and program: GLSL abstract syntax tree, parser, and pretty-printer (bsd3, library, program)
language-go library: A library for analysis and synthesis of Go code. (gpl, library)
language-guess library: Guess at which language a text is written in using trigrams. (bsd3, library)
language-haskell-extract library: Module to automatically extract functions from the local code. (bsd3, library)
language-java library: Manipulating Java source: abstract syntax, lexer, parser, and pretty-printer (bsd3, library)
language-java-classfile library: Parser for Java .class files (bsd3, library)
language-javascript library: Parser for JavaScript (bsd3, library)
language-lua library: Lua parser and pretty-printer (bsd3, library)
language-mixal library and program: Parser, pretty-printer, and AST types for the MIXAL assembly language (bsd3, library, program)
language-objc library: Analysis and generation of Objective C code (bsd3, library)
language-openscad library and program: A simple parser for OpenSCAD (bsd3, library, program)
language-pig library: Pig parser in haskell. (library, mit)
language-puppet library and programs: Tools to parse and evaluate the Puppet DSL. (bsd3, library, program)
language-python library: Parsing and pretty printing of Python code. (bsd3, library)
language-python-colour program: Generate coloured XHTML for Python code. (bsd3, program)
language-sh library: A package for parsing shell scripts (bsd3, library)
language-slice library: AST and parser for the ZeroC Slice language (Specification language for ICE) (bsd3, library)
language-spelling library: Various tools to detect/correct mistakes in words (library, public-domain)
language-sqlite library: Full parser and generator for SQL as implemented by SQLite3 (bsd3, library)
language-typescript library: A library for working with TypeScript Definition files (library, mit)
largeword library: Provides Word128, Word192 and Word256 and a way of producing other large words if required. (bsd3, library)
lat program: Tool to track security alerts on LWN (gpl, program)
latest-npm-version library and program: Find the latest version of a package on npm (library, mit, program)
latex library: Parse, format and process LaTeX files (bsd3, library)
lattices library: Fine-grained library for constructing and manipulating lattices (bsd3, library)
launchpad-control library and program: High and low-level interface to the Novation Launchpad midi controller. (bsd3, library, program)
lax library: Lax arrows (bsd3, library)
layers library: Modular type class machinery for monad transformer stacks. (bsd3, library)
layers-game program: A prototypical 2d platform game. (bsd3, program)
layout library: Turn values into pretty text or markup (bsd3, library)
layout-bootstrap library: Template and widgets for Bootstrap2 to use with Text.Blaze.Html5 (deprecated, library, mit)
lazy-csv library and program: Efficient lazy parsers for CSV (comma-separated values). (bsd3, library, program)
lazy-io library: Lazy IO (bsd3, library)
lazyarray library: Efficient implementation of lazy monolithic arrays (lazy in indexes). (bsd3, library)
lazyio library: Run IO actions lazily while respecting their order (bsd3, library)
lazysmallcheck library: A library for demand-driven testing of Haskell programs (bsd3, library)
lazysplines library: Differential solving with lazy splines (bsd3, library)
lbfgs library: L-BFGS optimization (library)
lca library: O(log n) persistent on-line lowest common ancestor calculation without preprocessing (bsd3, library)
lcs library: Find longest common sublist of two lists (library)
lda library: Online Latent Dirichlet Allocation (bsd3, library)
ldif library: The LDAP Data Interchange Format (LDIF) tools (bsd3, library)
leaf program: A simple portfolio generator (gpl, program)
leaky program: Robust space leak, and its strictification (auto-instrumentation, bsd3, diagnostic, forcing, instrumentation, leak, program, remedial, space, strictness, tools)
leankit-api library: LeanKit API (library, mit)
leapseconds-announced library: Leap seconds announced at library release time. (bsd3, library)
learn library: Learning Algorithms (bsd3, library)
learn-physics library: Haskell code for learning physics (bsd3, library)
learn-physics-examples programs: examples for learn-physics (bsd3, program)
learning-hmm library: Yet another library for hidden Markov models (library, mit)
leetify program: Leetify text (bsd3, program)
leksah library and programs: Haskell IDE written in Haskell (gpl, library, program)
leksah-server library and programs: Metadata collection for leksah (gpl, library, program)
lens library: Lenses, Folds and Traversals (bsd3, library)
lens-action library: Monadic Getters and Folds (bsd3, library)
lens-aeson library: Law-abiding lenses for aeson (bsd3, library)
lens-datetime library: Lenses for Data.Time.* types (bsd3, library)
lens-family library: Lens Families (bsd3, library)
lens-family-core library: Haskell 98 Lens Families (bsd3, library)
lens-family-th library: Generate lens-family style lenses (bsd3, library)
lens-properties library: QuickCheck properties for lens (bsd3, library)
lens-sop library: Computing lenses generically using generics-sop (bsd3, library)
lens-text-encoding library: Isomorphisms and prisms for text <=> bytestring conversions (library, mit)
lens-time library: lens for Data.Time (library, mit)
lenses library: Simple Functional Lenses (bsd3, library)
lensref library: References which can be joined and on which lenses can be applied (bsd3, library)
level-monad library: Non-Determinism Monad for Level-Wise Search (library, public-domain)
leveldb-haskell library: Haskell bindings to LevelDB (bsd3, library)
leveldb-haskell-fork library: Haskell bindings to LevelDB (bsd3, library)
levmar library: An implementation of the Levenberg-Marquardt algorithm (bsd3, library)
levmar-chart library: Plots the results of the Levenberg-Marquardt algorithm in a chart (bsd3, library)
lgtk library and program: Lens GUI Toolkit (bsd3, library, program)
lha library: Data structures for the Les Houches Accord (library, mit)
lhae program: Simple spreadsheet program (deprecated, gpl, program)
lhc library: LHC Haskell Compiler (public-domain)
lhe library: Parser and writer for Les-Houches event files (library, mit)
lhs2TeX-hl program: Literate highlighter preprocessor for lhs2tex (mit, program)
lhs2html program: Compile lhs in bird style to md, html, hs. (program, public-domain)
lhs2tex program: Preprocessor for typesetting Haskell sources with LaTeX (gpl, program)
lhslatex program: Tool for using pdflatex with .lhs files (bsd3, program)
libGenI library: A natural language generator (specifically, an FB-LTAG surface realiser) (deprecated, gpl, library)
libarchive-conduit library: Read many archive formats with libarchive and conduit (bsd3, library)
libcspm library: A library providing a parser, type checker and evaluator for CSPM. (bsd3, library)
libexpect library: Library for interacting with console applications via pseudoterminals. (bsd3, library)
libffi library: A binding to libffi (bsd3, library)
libgit library: Simple Git Wrapper (bsd3, library)
libgraph library: Store and manipulate data in a graph. (bsd3, library)
libhbb library and program: Backend for text editors to provide better Haskell editing support. (lgpl, library, program)
libjenkins library: Jenkins API interface (bsd2, library)
liblastfm library: Lastfm API interface (library, mit)
liblinear-enumerator library: liblinear iteratee. (bsd3, library)
libltdl library: FFI interface to libltdl (bsd3, library)
libmpd library: An MPD client library. (library, mit)
libnotify library: Bindings to libnotify library (library, mit)
libnvvm library: FFI binding to libNVVM, a compiler SDK component from NVIDIA (library, mit)
liboleg library: An evolving collection of Oleg Kiselyov's Haskell modules (bsd3, library)
libpq library: libpq binding for Haskell (bsd3, library)
librandomorg library: Wrapper to Random.org API (library, mit)
librato library: Bindings to the Librato API (library, mit)
libssh2 library: FFI bindings to libssh2 SSH2 client library (http://libssh2.org/) (bsd3, library)
libssh2-conduit library: Conduit wrappers for libssh2 FFI bindings (see libssh2 package). (bsd3, library)
libstackexchange library: StackExchange API interface (library, mit)
libsystemd-daemon library: Haskell bindings for libsystemd-daemon. (lgpl, library)
libsystemd-journal library: Haskell bindings to libsystemd-journal (bsd3, library)
libtagc library: Binding to TagLib C library. (lgpl, library)
libvirt-hs library: FFI bindings to libvirt virtualization API (http://libvirt.org) (bsd3, library)
libvorbis library: Haskell binding for libvorbis, for decoding Ogg Vorbis audio files (bsd3, library)
libxml library: Binding to libxml2 (bsd3, library)
libxml-enumerator library: Enumerator-based API for libXML's SAX interface (deprecated, library, mit)
libxml-sax library: Bindings for the libXML2 SAX interface (library, mit)
libxslt library: Binding to libxslt (bsd3, library)
life program: Conway's Life cellular automaton (bsd3, program)
lifted-async library: Run lifted IO operations asynchronously and wait for their results (bsd3, library)
lifted-base library: lifted IO operations from the base library (bsd3, library)
lifter program: A boulderdash-like game and solution validator (bsd3, program)
ligature library: Expand ligatures in unicode text (library, mit)
ligd library: Lightweight Implementation of Generics and Dynamics (bsd3, library)
lighttpd-conf library: Lighttpd configuration file tools. (bsd3, library)
lighttpd-conf-qq library: A QuasiQuoter for lighttpd configuration files. (bsd3, library)
lilypond library: Bindings to Lilypond (bsd3, library)
limp library: representation of Integer Linear Programs (library, mit)
limp-cbc library: bindings for integer linear programming solver Coin/CBC (library, mit)
lin-alg library: Low-dimensional matrices and vectors for graphics and physics (bsd3, library)
linda library: LINear Discriminant Analysis (bsd3, library)
line2pdf library and program: Simple command-line utility to convert text into PDF (bsd3, library, program)
linear library: Linear Algebra (bsd3, library)
linear-accelerate library: Instances to use linear vector spaces on accelerate backends (bsd3, library)
linear-algebra-cblas library and program: A linear algebra library with bindings to BLAS and LAPACK (bsd3, library, program)
linear-maps library and programs: Finite maps for linear use (bsd3, library, program)
linear-opengl library: Isomorphisms between linear and OpenGL types (bsd3, library)
linear-vect library: A low-dimensional linear algebra library, operating on the Num typeclass (bsd3, library)
linearEqSolver library: Use SMT solvers to solve linear systems over integers and rationals (bsd3, library)
linearscan library: Linear scan register allocator, formally verified in Coq (bsd3, library)
linebreak library: breaks strings to fit width (bsd3, library)
linguistic-ordinals library: Express Integral types as linguistic ordinals (1st, 2nd, 3rd, etc) (bsd3, library)
linkchk program: linkchk is a network interface link ping monitor. (gpl, program)
linkcore program: Combines multiple GHC Core modules into a single module (bsd3, program)
linkedhashmap library: Persistent LinkedHashMap data structure (bsd3, library)
linklater library: The fast and fun way to write Slack.com bots (bsd3, library)
linux-blkid library: Linux libblkid (lgpl, library)
linux-cgroup library: Very basic interface to the Linux CGroup Virtual Filesystem (library, mit)
linux-evdev library: Bindings to Linux evdev input device interface. (bsd3, library)
linux-file-extents library: Retrieve file fragmentation information under Linux (bsd3, library, linux)
linux-inotify library: Thinner binding to the Linux Kernel's inotify interface (bsd3, library)
linux-kmod library: Linux kernel modules support (bsd3, library)
linux-mount library: Mount and unmount filesystems (bsd3, library)
linux-namespaces library: Create new or enter an existing linux namespaces (bsd3, library)
linux-perf library and programs: Read files generated by perf on Linux (bsd3, library, program)
linux-ptrace library: Wrapping of Linux' ptrace(2). (library, mit)
linux-xattr library: Read, set and list extended attributes (bsd3, library)
linx-gateway library and program: Implementation of the Enea LINX gateway protocol. (library, mit, program)
lio library: Labeled IO Information Flow Control Library (gpl, library)
lio-eci11 library: Labeled IO library (deprecated, gpl, library)
lio-fs library: Labeled File System interface for LIO (gpl, library)
lio-simple library and program: LIO support for the Simple web framework (lgpl, library, program)
liquid-fixpoint library and programs: Predicate Abstraction-based Horn-Clause/Implication Constraint Solver (bsd3, library, program)
liquidhaskell library and program: Liquid Types for Haskell (bsd3, library, program)
lispparser library: Simple parser for LISP S-expressions (bsd3, library)
list-extras library: Common not-so-common functions for lists (bsd3, library)
list-fusion-probe library: testing list fusion for success (bsd3, library)
list-grouping library: Functions for grouping a list into sublists (bsd3, deprecated, library)
list-mux library: List Multiplexing (bsd3, library)
list-remote-forwards program: List all remote forwards for mail accounts stored in a SQL database. (gpl, program)
list-t library: ListT done right (library, mit)
list-tries library: Tries and Patricia tries: finite sets and maps for list keys (bsd3, library)
listlike-instances library: Extra instances of the ListLike class (bsd3, deprecated, library)
lists library: Functions for dealing with lists (bsd3, library)
listsafe library: Safe wrappers for partial list functions, supporting MonadThrow. (apache, library)
lit program: A simple tool for literate programming (gpl, program)
literals library: Non-overloaded functions for concrete literals. (library, mit)
live-sequencer library and program: Live coding of MIDI music (gpl, library, program)
ll-picosat library: (library, mit)
llrbtree library: Purely functional sets and heaps (bsd3, library)
llsd library and program: An implementation of the LLSD data system (library, mit, program)
llvm library: Bindings to the LLVM compiler toolkit. (bsd3, deprecated, library)
llvm-analysis library: A Haskell library for analyzing LLVM bitcode (bsd3, library)
llvm-base library: FFI bindings to the LLVM compiler toolkit. (bsd3, deprecated, library)
llvm-base-types library: The base types for a mostly pure Haskell LLVM analysis library (bsd3, library)
llvm-base-util library: Utilities for bindings to the LLVM compiler toolkit. (bsd3, library)
llvm-data-interop library: A low-level data interoperability binding for LLVM (bsd3, library)
llvm-extra library: Utility functions for the llvm interface (bsd3, library)
llvm-general library: General purpose LLVM bindings (bsd3, library)
llvm-general-pure library: Pure Haskell LLVM functionality (no FFI). (bsd3, library)
llvm-general-quote library: QuasiQuoting llvm code for llvm-general (bsd3, library)
llvm-ht library: Bindings to the LLVM compiler toolkit with some custom extensions. (bsd3, deprecated, library)
llvm-pkg-config program: Generate Pkg-Config configuration file for LLVM (bsd3, program)
llvm-pretty library: A pretty printing library inspired by the llvm binding. (bsd3, library)
llvm-pretty-bc-parser library and program: LLVM bitcode parsing library (bsd3, library, program)
llvm-tf library: Bindings to the LLVM compiler toolkit using type families. (bsd3, library)
llvm-tools library and programs: Useful tools built on llvm-analysis (bsd3, library, program)
lmdb library: Lightning MDB bindings (bsd2, library)
load-env library: Load environment variables from a file. (bsd3, library)
loadavg library: Load average parsing from /proc/loadavg and bindings to getloadavg (3) (bsd3, library)
local-address library: Functions to get local interface address (bsd3, library)
local-search library: Generalised local search within Haskell, for applications in combinatorial optimisation. (gpl, library)
locators library: Human exchangable identifiers and locators (bsd3, library)
loch library and program: Support for precise error locations in source files (bsd3, library, program)
loch-th library: Support for precise error locations in source files (Template Haskell version) (bsd3, library)
lock-file library: Provide exclusive access to a resource using lock file. (bsd3, library)
lockfree-queue library: Michael and Scott lock-free queues. (bsd3, library)
log-domain library: Log-domain arithmetic (bsd3, library)
log-effect library: An extensible log effect using extensible-effects (library, mit)
log2json library and program: Turn log file records into JSON. (gpl, library, program)
logfloat library: Log-domain floating point numbers (bsd3, library)
logger library: Fast & extensible logging framework (apache, library)
logging library: Simplified logging in IO for application writers. (library, mit)
logging-facade library: Simple logging abstraction that allows multiple backends (library, mit)
logging-facade-journald library: Journald back-end for logging-facade (library, mit)
logic-TPTP library: Import, export etc. for TPTP, a syntax for first-order logic (gpl, library)
logic-classes library and program: Framework for propositional and first order logic, theorem proving (bsd3, library, program)
logicst library: Backtracking mutable references in the ST and IO monads (bsd3, library)
logict library: A backtracking logic-programming monad. (bsd3, library)
logsink library: A logging framework for Haskell (library, mit)
lojban library and program: Useful utilities for the Lojban language (bsd3, library, program)
lojbanParser library and program: lojban parser (bsd3, library, program)
lojbanXiragan library and program: lojban to xiragan (bsd3, library, program)
lojysamban program: Prolog with lojban (bsd3, program)
loli library: A minimum web dev DSL in Haskell (bsd3, deprecated, library)
loop library: Fast loops (for when GHC can't optimize forM_) (library, mit)
loop-effin library: control-monad-loop port for effin (bsd3, library)
loop-while library: A monad transformer supporting various styles of while loop (bsd3, library)
loops library: Fast imperative-style loops (bsd3, library)
loopy program: Find all biological feedback loops within an ecosystem graph. (bsd3, program)
lord library and program: A command line interface to online radios. (library, program, public-domain)
loris library: interface to Loris API (gpl, library)
loshadka program: Minecraft 1.7 server proxy that answers to queries when the server is offline (mit, program)
lostcities program: An implementation of an adictive two-player card game (gpl, program)
lrucache library: a simple, pure LRU cache (bsd3, library)
ls-usb program: List USB devices (bsd3, program)
lscabal program: List exported modules from a set of .cabal files (bsd3, program)
lss library: Lexical Style Sheets - a language for writing styles that is focused around lexical (ie, static) scoping and re-use of large components. (bsd3, deprecated, library)
lsystem program: Paint an L-System Grammar (bsd3, program)
ltk library: Leksah tool kit (gpl, library)
ltl library: Using linear temporal logic (LTL) to verify embedded software and hardware. (bsd3, library)
lua-bytecode library: Library for loading Lua bytecode. (bsd3, library)
luachunk library: Library functions for reading and writing Lua chunks (gpl, library)
luautils library: Helpers for Haskell integration with Lua (gpl, library)
lub library: information operators: least upper bound (lub) and greatest lower bound (glb) (bsd3, library)
lucid library: Clear to write, read and edit DSL for HTML (bsd3, library)
lucid-svg library: DSL for SVG using lucid for HTML (bsd3, library)
lucienne programs: Server side feed aggregator/reader (deprecated, gpl, program)
luhn library: An implementation of Luhn's check digit algorithm. (bsd3, library)
lui library: Purely FunctionaL User Interface (bsd3, library)
luka library: Simple ObjectiveC runtime binding (bsd3, library)
lushtags program: Create ctags compatible tags files for Haskell programs (mit, program)
luthor library: Tools for lexing and utilizing lexemes that integrate with Parsec. (bsd3, library)
lvish library: Parallel scheduler, LVar data structures, and infrastructure to build more. (bsd3, library)
lvmlib library and program: The Lazy Virtual Machine (LVM). (bsd3, library, program)
lvmrun program: The Lazy Virtual Machine (LVM) Runtime System. (lgpl, program)
lxc library: High level Haskell bindings to LXC (Linux containers). (bsd3, library)
lye program: A Lilypond-compiling music box (mit, program)
lz4 library: LZ4 compression for ByteStrings (bsd3, library)
lzma-conduit library: Conduit interface for lzma/xz compression. (bsd3, library)
lzma-enumerator library: Enumerator interface for lzma/xz compression. (bsd3, library)
maam library and program: A monadic framework for abstract interpretation. (bsd3, library, program)
maccatcher library: Obtain the host MAC address on *NIX and Windows. (bsd3, library)
machinecell library: Arrow based stream transducers (bsd3, library)
machines library: Networked stream transducers (bsd3, library)
machines-directory library: Directory (system) utilities for the machines library (apache, library)
machines-io library: IO utilities for the machines library (apache, library)
machines-process library: Process (system) utilities for the machines library (apache, library)
macho library: Parser for Mach-O object format. (bsd3, library)
maclight library and program: Control screen and keyboard backlights on MACs under Linux (library, mit, program)
macosx-make-standalone program: Make a macosx app standalone deployable (bsd3, program)
mage program: Rogue-like (bsd3, program)
magic library: Interface to C file/magic library (bsd3, library)
magma library: magma is an algebraic structure consisting a set together with an binary operation. (bsd3, library)
mahoro program: ImageBoards to XMPP gate (gpl, program)
maid program: A simple static web server (bsd3, program)
mailbox-count program: Count mailboxes in a SQL database. (gpl, program)
mailchimp-subscribe program: MailChimp subscription request handler (mit, program)
mailgun library and programs: Connector to Rackspace's Mailgun Service (library, mit, program)
mainland-pretty library: Pretty printing designed for printing source code. (bsd3, library)
majordomo library and programs: Majordomo protocol for ZeroMQ (bsd3, library, program)
majority library: Boyer-Moore Majority Vote Algorithm (library, public-domain)
make-hard-links program: Change duplicated files into hard-links. (gpl, program)
make-package program: Make a cabalized package (bsd3, program)
makedo library: Helper for writing redo scripts in Haskell (bsd3, library)
managed library: A monad for managed values (bsd3, library)
manatee library and program: The Haskell/Gtk+ Integrated Live Environment (gpl, library, program)
manatee-all library and program: Virtual package to install all Manatee packages. (gpl, library, program)
manatee-anything library and program: Multithread interactive input/search framework for Manatee (gpl, library, program)
manatee-browser library and program: Browser extension for Manatee. (gpl, library, program)
manatee-core library: The core of Manatee. (gpl, library)
manatee-curl library and program: Download Manager extension for Manatee. (gpl, library, program)
manatee-editor library and program: Editor extension for Manatee. (gpl, library, program)
manatee-filemanager library and program: File manager extension for Manatee. (gpl, library, program)
manatee-imageviewer library and program: Image viewer extension for Manatee. (gpl, library, program)
manatee-ircclient library and programs: IRC client extension for Manatee. (gpl, library, program)
manatee-mplayer library and programs: Mplayer client extension for Manatee. (gpl, library, program)
manatee-pdfviewer library and program: PDF viewer extension for Manatee. (gpl, library, program)
manatee-processmanager library and program: Process manager extension for Manatee. (gpl, library, program)
manatee-reader library and program: Feed reader extension for Manatee. (gpl, library, program)
manatee-template library and program: Template code to create Manatee application. (gpl, library, program)
manatee-terminal library and program: Terminal Emulator extension for Manatee. (gpl, library, program)
manatee-welcome library and program: Welcome module to help user play Manatee quickly. (gpl, library, program)
mancala program: Simple mancala game. (lgpl, program)
mandrill library: Library for interfacing with the Mandrill JSON API (library, mit)
mandulia program: A zooming visualisation of the Mandelbrot Set as many Julia Sets. (gpl, program)
mangopay library and program: Bindings to the MangoPay API (bsd3, library, program)
manifolds library: Working with manifolds in a direct, embedding-free way. (gpl, library)
map-syntax library: Syntax sugar for defining maps (bsd3, library)
marionetta program: A study of marionetta movements. (bsd3, program)
markdown library: Convert Markdown to HTML, with XSS protection (bsd3, library)
markdown-kate library: Convert Markdown to HTML, with XSS protection (bsd3, deprecated, library)
markdown-pap library: markdown parser with papillon (bsd3, library)
markdown-unlit library and program: Literate Haskell support for Markdown (library, mit, program)
markdown2svg program: markdown to svg converter (bsd3, program)
marked-pretty library: Pretty-printing library, with scoping, based on pretty-1.0.0.0 (bsd3, library)
markov library: Simple interpreter for Markov's normal algorithms (bsd3, library)
markov-chain library: Markov Chains for generating random sequences with a user definable behaviour. (gpl, library)
markov-processes library: Hidden Markov processes. (library, mit)
markup library: Abstraction for markup languages (library, mit)
markup-preview program: A simple markup document preview (markdown, textile, reStructuredText) (program)
marmalade-upload library and program: Upload packages to Marmalade (library, mit, program)
marxup library and program: Markup language preprocessor for Haskell (gpl, library, program)
masakazu-bot program: @minamiyama1994_bot on haskell (gpl, program)
mastermind program: console mastermind decypher (bsd3, program)
matchers library: Text matchers (bsd3, library)
math-functions library: Special functions and Chebyshev polynomials (bsd3, library)
mathblog programs: A program for creating and managing a static weblog with LaTeX math and function graphs (bsd3, program)
mathgenealogy program: Discover your (academic) ancestors! (gpl, program)
mathlink library: Write Mathematica packages in Haskell (bsd3, library)
matlab library: Matlab bindings and interface (bsd3, library)
matrices library: native matrix based on vector (bsd3, library)
matrix library: A native implementation of matrix operations. (bsd3, library)
matrix-market library: Read and write NIST Matrix Market files (bsd3, library)
matrix-market-pure library: Pure and composable reader and writer of the Matrix Market format. (bsd3, library)
matsuri program: ncurses XMPP client (gpl, program)
maude library: An interface to the Maude rewriting system. (library, mit)
maxent library: Compute Maximum Entropy Distributions (bsd3, library)
maximal-cliques library: Enumerate all maximal cliques of a graph. (bsd3, library)
maxsharing program: Maximal sharing of terms in the lambda calculus with letrec (bsd3, program)
maybench library and programs: Automated benchmarking tool (bsd3, library, program)
mbox library: Read and write standard mailbox files. (bsd3, library)
mbox-tools programs: A collection of tools to process mbox files (bsd3, program)
mcmaster-gloss-examples programs: (mit, program)
mcmc-samplers library: Combinators for MCMC sampling (bsd3, library)
mcmc-synthesis library: MCMC applied to probabilistic program synthesis (gpl, library)
mcpi library: Connect to MineCraft running on a Raspberry PI. (library, public-domain)
mdo program: Command-line tool to run a command on each of the items. (bsd3, program)
mecab library: A Haskell binding to MeCab (bsd3, library)
mecha library and program: A constructive solid geometry (CSG) modeling language. (bsd3, library, program)
mediawiki library and programs: Interfacing with the MediaWiki API (bsd3, library, program)
mediawiki2latex program: Convert MediaWiki text to LaTeX (gpl, program)
meep library: A silly container (bsd3, library)
mega-sdist program: Handles uploading to Hackage from mega repos (deprecated) (deprecated, mit, program)
meldable-heap library: Asymptotically optimal, Coq-verified meldable heaps, AKA priority queues (bsd3, library)
melody library and program: A functional scripting language (library, mit, program)
memcache library: A memcached client library. (bsd3, library)
memcached library: haskell bindings for memcached (library)
memcached-binary library: memcached client using binary protocol. (library, mit)
memexml library: Library for reading Meme XML output (bsd3, library)
memo-sqlite library: memoize functions using SQLite3 database (bsd3, library)
memoize library: A memoization library (bsd3, library)
memscript program: Command line utility for memorizing scriptures or any other text (gpl, program)
mersenne-random library: Generate high quality pseudorandom numbers using a SIMD Fast Mersenne Twister (bsd3, library)
mersenne-random-pure64 library: Generate high quality pseudorandom numbers purely using a Mersenne Twister (bsd3, library)
messagepack library: Serialize instance for Message Pack Object (library, mit)
messagepack-rpc library: Message Pack RPC over TCP (library, mit)
meta-misc library: Utility library providing miscellaneous meta-programming utilities. (bsd3, library)
meta-par library: Provides the monad-par interface, but based on modular scheduler "mix-ins". (bsd3, library)
meta-par-accelerate library: Support for integrated Accelerate computations within Meta-par. (bsd3, library)
metadata library: metadata library for semantic web. (bsd3, library)
metamorphic library: metamorphisms: ana . cata or understanding folds and unfolds (library)
metaplug library: a tiny ghc api wrapper (bsd3, deprecated, library)
metric library: Metric spaces. (library, mit)
metrics library: High-performance application metric tracking (library, mit)
metricsd-client library: Client for the metrics aggregator Metricsd (bsd3, library)
metronome library: Time Synchronized execution. (bsd3, library)
mi library: Multiple Instance for Haskell (library, mit)
microbench library: Microbenchmark Haskell code (bsd3, library)
microformats2-types library: Microformats 2 types for Haskell. (library)
microtimer library: A tiny library for benchmarking IO actions. (bsd3, library)
midi library: Handling of MIDI messages and files (gpl, library)
midi-alsa library: Convert between datatypes of the midi and the alsa packages (bsd3, library)
midimory program: A Memory-like (Concentration, Pairs, ...) game for tones (bsd3, program)
midisurface program: A control midi surface (bsd3, program)
mighttpd programs: Simple Web Server in Haskell (bsd3, program)
mighttpd2 library and programs: High performance web server on WAI/warp (bsd3, library, program)
miku library: A minimum web dev DSL in Haskell (bsd3, library)
milena library: A Kafka client for Haskell. (bsd3, library)
mime library: Working with MIME types. (bsd3, library)
mime-directory library: A library for parsing/printing the text/directory mime type. (lgpl, library)
mime-mail library: Compose MIME email messages. (library, mit)
mime-mail-ses library: Send mime-mail messages via Amazon SES (library, mit)
mime-string library: MIME implementation for String's. (library)
mime-types library: Basic mime-type handling types and functions (library, mit)
mines program: Minesweeper simulation using neural networks (program)
minesweeper program: Minesweeper game which is always solvable without guessing (bsd3, program)
miniball library: Bindings to Miniball, a smallest enclosing ball library (gpl, library)
minimal-configuration library: Minimal ini like configuration library with a few extras (bsd3, configuration, library)
minimorph library: English spelling functions with an emphasis on simplicity. (bsd3, library)
minimung program: Shows how to run grabber on Mac OS X (bsd3, program)
minions program: A fast parallel ssh tool (bsd3, program)
minioperational library: fast and simple operational monad (bsd3, library)
miniplex library and programs: simple 1-to-N interprocess communication (lgpl, library, program)
minirotate program: Minimalistic file rotation utility (bsd3, program)
minisat library: A Haskell bundle of the Minisat SAT solver (bsd3, library)
ministg program: an interpreter for an operational semantics for the STG machine. (bsd3, program)
miniutter library: Simple English clause creation from arbitrary words (bsd3, library)
mirror-tweet program: Tweet mirror (gpl, program)
misfortune library and programs: fortune-mod clone (library, program, public-domain)
missing-foreign library: Convenience functions for FFI work (bsd3, library)
missing-py2 library: Haskell interface to Python (gpl, library)
mix-arrows library: Mixing effects of one arrow into another one (bsd3, library)
mixed-strategies library and program: Find optimal mixed strategies for two-player games (library, mit, program)
mkbndl program: Makes an OS X .app bundle from a binary. (gpl, program)
mkcabal program: Generate cabal files for a Haskell project (gpl, program)
ml-w library and program: Minimal ML language to to demonstrate the W type infererence algorithm. (library, program, public-domain)
mlist library: Monadic List alternative to lazy I/O (bsd3, library)
mmap library: Memory mapped files for POSIX and Windows (bsd3, library)
mmorph library: Monad morphisms (bsd3, library)
mmtl library: Modular Monad transformer library (bsd3, library)
mmtl-base library: MonadBase type-class for mmtl (bsd3, library)
moan library: Language-agnostic analyzer for positional morphosyntactic tags (bsd3, library)
modbus-tcp library: Communicate with Modbus devices over TCP (bsd3, library)
modelicaparser library: A parser for the modelica language (bsd3, library)
modsplit library and program: Haskell source splitter driven by special comments. (bsd3, library, program)
modular-arithmetic library: A type for integers modulo some constant. (bsd3, library)
modular-prelude library: A new Prelude featuring first class modules (deprecated, library, mit)
modular-prelude-classy library: Reifying ClassyPrelude a la ModularPrelude (library, mit)
module-management library and program: Clean up module imports, split and merge modules (bsd3, library, program)
modulespection library: Template Haskell for introspecting a module's declarations (bsd3, library)
modulo library and program: Modular C code generator (gpl, library, program)
moe library: html with style (bsd3, library)
mohws library and program: Modular Haskell Web Server (bsd3, library, program)
monad-abort-fd library: A better error monad transformer (bsd3, library)
monad-atom library: Monadically convert object to unique integers and back. (bsd3, library)
monad-atom-simple library: Monadically map objects to unique ints. (bsd3, library)
monad-bool library: This package has been removed. (bsd3, deprecated, library)
monad-codec library: Monadic conversion between complex data structures and unique integers (bsd3, library)
monad-control library: Lift control operations, like exception catching, through monad transformers (bsd3, library)
monad-coroutine library: Coroutine monad transformer for suspending and resuming monadic computations (gpl, library)
monad-exception library: Exstensible monadic exceptions (deprecated, library, public-domain)
monad-extras library: Extra utility functions for working with monads (bsd3, library)
monad-fork library: Type class for monads which support a fork operation. (deprecated, library, public-domain)
monad-gen library: A simple monad for generating fresh integers (library, mit)
monad-interleave library: Monads with an unsaveInterleaveIO-like operation. (bsd3, library)
monad-journal library: Pure logger typeclass and monad transformer (bsd3, library)
monad-logger library: A class of monads which can log messages. (library, mit)
monad-logger-syslog library: rsyslog output for monad-logger (library, mit)
monad-loops library: Monadic loops (library, public-domain)
monad-loops-stm library: Monadic loops for STM (library, public-domain)
monad-lrs library: a monad to calculate linear recursive sequence (bsd3, library)
monad-memo library: Memoization monad transformer (bsd3, library)
monad-mersenne-random library: An efficient random generator monad, based on the Mersenne Twister (bsd3, library)
monad-ox library: Monad for observation extraction (bsd3, library)
monad-par library: A library for parallel programming based on a monad (bsd3, library)
monad-par-extras library: Combinators and extra features for Par monads (bsd3, library)
monad-parallel library: Parallel execution of monadic computations (bsd3, library)
monad-param library: Parameterized monads (bsd3, deprecated, library)
monad-peel library: Lift control operations like exception catching through monad transformers (bsd3, library)
monad-primitive library: Type class for monad transformers stack with pirimitive base monad. (bsd3, library)
monad-products library: Monad products (bsd3, library)
monad-ran library: Fast monads and monad transformers (bsd3, library)
monad-resumption library: Resumption and reactive resumption monads for Haskell. (bsd3, library)
monad-st library: Provides a MonadST class (bsd3, library)
monad-state library: Utility library for monads, particularly those involving state. (bsd3, library)
monad-statevar library: Concise, overloaded accessors for IORef, STRef, TVar (bsd3, library)
monad-stlike-io library: ST-like monad capturing variables to regions and supporting IO. (bsd3, library)
monad-stlike-stm library: ST-like monad capturing variables to regions and supporting STM. (bsd3, library)
monad-stm library: MonadSTM class analogous to MonadIO (bsd3, library)
monad-supply library: Stateful supply monad. (library)
monad-task library: A monad transformer that turns event processing into co-routine programming. (bsd3, library)
monad-tx library: A transactional state monad. (bsd3, library)
monad-unify library: Generic first-order unification (library, mit)
monad-wrap library: Wrap functions such as catch around different monads (bsd3, library)
monadIO library: Overloading of concurrency variables (bsd3, library)
monadLib library: A collection of monad transformers. (bsd3, library)
monadLib-compose library: Arrow-like monad composition for monadLib. (bsd3, library)
monadacme library: The Acme and AcmeT monads. (bsd3, library)
monadbi library: Extract underlying monads from monad transformers (deprecated, gpl, library)
monadcryptorandom library: A monad for using CryptoRandomGen (bsd3, library)
monadfibre library: Monadic functions which provide Choice and Parallelism. (deprecated, gpl, library)
monadic-arrays library: Boxed and unboxed arrays for monad transformers (bsd3, library)
monadiccp library: Constraint Programming (bsd3, library)
monadiccp-gecode library: Constraint Programming (bsd3, library)
monadio-unwrappable library: Reversibly allow monad transformer stacks to run in IO (bsd3, library)
monadlist library: Monadic versions of list functions (bsd3, library)
monadloc library: A class for monads which can keep a monadic call trace (library, public-domain)
monadloc-pp program: A preprocessor for generating monadic call traces (program, public-domain)
monadplus library: Haskell98 partial maps and filters over MonadPlus. (bsd3, library)
monads-fd library: Monad classes, using functional dependencies (bsd3, deprecated, library)
monads-tf library: Monad classes, using type families (bsd3, library)
monadtransform library: A type-class for transforming monads (homomorphism) in a transformer (bsd3, library)
monarch library: Monadic interface for TokyoTyrant. (bsd3, library)
mongoDB library: Driver (client) for MongoDB, a free, scalable, fast, document DBMS (library)
mongodb-queue library: message queue using MongoDB (library, mit)
mongrel2-handler library: Mongrel2 Handler Library (library, mit)
monitor program: Do things when files change. (mit, program)
mono-foldable library: Folds for monomorphic containers (bsd3, deprecated, library)
mono-traversable library: Type classes for mapping, folding, and traversing monomorphic containers (library, mit)
monoid-extras library: Various extra monoid-related definitions and utilities (bsd3, library)
monoid-owns library: a practical monoid implementation (bsd3, deprecated, library)
monoid-record library: Support for modifying record fields of monoidal type (bsd3, library)
monoid-statistics library: Monoids for calculation of statistics of sample (bsd3, library)
monoid-subclasses library: Subclasses of Monoid (bsd3, library)
monoid-transformer library: Monoid counterparts to some ubiquitous monad transformers (bsd3, library)
monoidal-containers library: Containers with monoidal accumulation (bsd3, library)
monoidplus library: Extra classes/functions about monoids (library, public-domain)
monoids library: Deprecated: Use 'reducers' (bsd3, deprecated, library)
monomorphic library: Library to convert polymorphic datatypes to/from its monomorphic represetation (bsd3, library)
montage library: Riak Resolution Proxy (bsd3, library)
montage-client library: Riak Resolution Proxy Client (bsd3, library)
monte-carlo library: A monad and transformer for Monte Carlo calculations. (bsd3, library)
moo library: Genetic algorithm library (bsd3, library)
morfette program: A tool for supervised learning of morphology (bsd3, program)
morfeusz library: Bindings to the morphological analyser Morfeusz (bsd3, library)
morte library and program: Bare-bones calculus of constructions (bsd3, library, program)
mount library: Mounts and umounts filesystems (deprecated, gpl, library)
mp3decoder program: MP3 decoder for teaching. (program)
mpdmate program: MPD/PowerMate executable (bsd3, program)
mpppc library: Multi-dimensional parametric pretty-printer with color (gpl, library)
mpretty library: a monadic, extensible pretty printing library (bsd3, library)
mprover program: Simple equational reasoning for a Haskell-ish language (bsd3, program)
mps library: simply oo (bsd3, deprecated, library)
mpvguihs program: A minimalist mpv GUI written in I/O heavy Haskell. (gpl, program)
mqtt-hs library: A MQTT client library. (gpl, library)
msgpack library: A Haskell implementation of MessagePack (bsd3, library)
msgpack-idl library and program: An IDL Compiler for MessagePack (bsd3, library, program)
msgpack-rpc library: A MessagePack-RPC Implementation (bsd3, library)
mstate library: MState: A consistent State monad for concurrent applications. (bsd3, library)
msu program: Monitor Setup Utility (mit, program)
mtgoxapi library: Library to communicate with Mt.Gox (bsd3, library)
mtl library: Monad classes, using functional dependencies (bsd3, library)
mtl-evil-instances library: Instances for the mtl classes for all monad transformers. (deprecated, library, public-domain)
mtl-prelude library: Reexports of most definitions from "mtl" and "transformers" (library, mit)
mtl-tf library: Monad transformer library using type families (bsd3, deprecated, library)
mtlparse library: parse library using mtl package (lgpl, library)
mtlx library: Monad transformer library with type indexes, providing 'free' copies. (bsd3, library)
mtp library: Bindings to libmtp (deprecated, lgpl, library)
mtree library: Tree with Meta and Content parameters (library, public-domain)
mucipher library: A library to produce simple ciphers for use with lambdabot. (gpl, library)
mudbath program: Continuous deployment server for use with GitHub (program)
mueval library and programs: Safely evaluate pure Haskell expressions (bsd3, library, program)
multext-east-msd library: MULTEXT-East morphosyntactic descriptors (bsd3, library)
multiarg library: Command lines for options that take multiple arguments (bsd3, library)
multifocal library and program: Bidirectional Two-level Transformation of XML Schemas (bsd3, library, program)
multimap library: A multimap. (library, mit)
multipart library: HTTP multipart split out of the cgi package (bsd3, library)
multipass library: Folding data with multiple named passes (bsd3, library)
multiplate library: Lightweight generic library for mutually recursive data types. (library, mit)
multiplate-simplified library: Shorter, more generic functions for Multiplate. (library, mit)
multiplicity program: Wrapper program for duplicity, adding config files (bsd3, program)
multirec library: Generic programming for families of recursive datatypes (bsd3, library)
multirec-alt-deriver library: Alternative multirec instances deriver (bsd3, library)
multirec-binary library: Generic Data.Binary instances using MultiRec. (bsd3, library)
multiset library: The Data.MultiSet container type (bsd3, library)
multiset-comb library: Combinatorial algorithms over multisets (bsd3, library)
multisetrewrite library: Multi-set rewrite rules with guards and a parallel execution scheme (bsd3, library)
multistate library: like mtl's ReaderT/WriterT/StateT, but more than one contained value/type. (bsd3, library)
muon program: Static blog generator (bsd3, program)
murder library: MUtually Recursive Definitions Explicitly Represented (lgpl, library)
murmur-hash library: MurmurHash2 implementation for Haskell. (bsd3, library)
murmurhash3 library: 32-bit non-cryptographic hashing (library, public-domain)
music-articulation library: Abstract representation of musical articulation. (bsd3, library)
music-diatonic library: Implementation of basic western musical theory objects. (bsd3, library)
music-dynamics library: Abstract representation of musical dynamics. (bsd3, library)
music-dynamics-literal library: Overloaded dynamics literals. (bsd3, library)
music-graphics library: Diagrams-based visualization of musical data structures. (bsd3, library)
music-parts library: Musical instruments, parts and playing techniques. (bsd3, library)
music-pitch library: Musical pitch representation. (bsd3, library)
music-pitch-literal library: Overloaded pitch literals. (bsd3, library)
music-preludes library and programs: Some useful preludes for the Music Suite. (bsd3, library, program)
music-score library: Musical score and part representation. (bsd3, library)
music-sibelius library: Interaction with Sibelius. (bsd3, library)
music-suite library: A set of libraries for composition, analysis and manipulation of music. (bsd3, library)
music-util program: Utility for developing the Music Suite. (bsd3, program)
musicbrainz-email library and programs: Send an email to all MusicBrainz editors (deprecated, gpl, library, program)
musicxml library: MusicXML format encoded as Haskell type and functions of reading and writting. (bsd3, library)
musicxml2 library: A representation of the MusicXML format. (bsd3, library)
mustache-haskell library and program: Straight implementation of mustache templates (library, mit, program)
mustache2hs program: Utility to generate Haskell code from Mustache templates (program)
mutable-containers library: Abstactions and concrete implementations of mutable containers (library, mit)
mutable-iter library: iteratees based upon mutable buffers (bsd3, deprecated, library)
mute-unmute program: Watches your screensaver and (un)mutes music when you (un)lock the screen. (gpl, program)
mvc library: Model-view-controller (bsd3, library)
mvc-updates library: Concurrent and combinable updates (bsd3, library)
mvclient library: Client library for metaverse systems like Second Life (bsd3, library)
mwc-random library: Fast, high quality pseudo random number generation (bsd3, library)
mwc-random-monad library: Monadic interface for mwc-random (bsd3, library)
myTestlll library: None (bsd3, deprecated, library)
mybitcoin-sci library: Binding to mybitcoin.com's Shopping Cart Interface. (library, public-domain)
mysnapsession library: Sessions and continuations for Snap web apps (bsd3, library)
mysnapsession-example programs: Example projects using mysnapsession (bsd3, program)
mysql library: A low-level MySQL client library. (bsd3, library)
mysql-effect library: An extensible mysql effect using extensible-effects and mysql-simple (library, mit)
mysql-simple library: A mid-level MySQL client library. (bsd3, library)
mysql-simple-quasi library: Quasi-quoter for use with mysql-simple. (bsd3, library)
mysql-simple-typed library: Typed extension to mysql simple (bsd3, library)
mzv library: Implementation of the "Monads, Zippers and Views" (Schrijvers and Oliveira, ICFP'11) (bsd3, library)
n-m library and program: Utility to call iwconfig. (deprecated, library, program)
nagios-check library: Package for writing monitoring plugins (library, mit)
nagios-perfdata library: Parse Nagios performance data. (bsd3, library)
named-formlet library: A simple formlet library with named formlets. (bsd3, library)
named-lock library: A named lock that is created on demand. (bsd3, library)
named-records library: Flexible records with named fields. (library, mit)
names library: Type level names. (library, mit)
names-th library: Manipulate name strings for TH (bsd3, library)
nano-cryptr library: A threadsafe binding to glibc's crypt_r function (bsd3, library)
nano-hmac library: Bindings to OpenSSL HMAC. (bsd3, library)
nano-md5 library: Efficient, ByteString bindings to OpenSSL. (bsd3, library)
nanoAgda program: A toy dependently-typed language (program)
nanocurses library: Simple Curses binding (bsd3, library)
nanomsg library: nanomsg - scalability protocols library (library, public-domain)
nanomsg-haskell library: Bindings to the nanomsg library (library, mit)
nanoparsec library: An implementation of attoparsec-like parser around list-like (bsd3, library)
nanospec library: A lightweight implementation of a subset of Hspec's API (library, mit)
narc library: Query SQL databases using Nested Relational Calculus embedded in Haskell. (bsd3, library)
nat library: Lazy binary natural numbers (bsd3, library)
nats library: Natural numbers (bsd3, library)
nats-queue library: Haskell API for NATS messaging system (bsd3, library)
natural-number library: Natural numbers tagged with a type-level representation of the number. (bsd3, library)
natural-numbers library: Natural numbers (bsd3, library)
natural-sort library: User-friendly text collation (bsd3, library)
naturalcomp library: Natural-order string comparison (bsd3, library)
naturals library: Constructors and related functions for natural numbers (bsd3, library)
nbt library: A parser/serializer for Minecraft's Named Binary Tag (NBT) data format. (bsd3, library)
nc-indicators program: CPU load and memory usage indicators for i3bar (apache, program)
ncurses library: Modernised bindings to GNU ncurses (gpl, library)
neat library and program: A Fast Retargetable Template Engine (library, mit, program)
neat-interpolation library: A quasiquoter for neat and simple multiline text interpolation (library, mit)
needle library: ASCII-fied arrow notation (library, mit)
nehe-tuts programs: Port of the NeHe OpenGL tutorials to Haskell. (bsd3, program)
neil program: General tools for Neil (bsd3, program)
neither library: Provide versions of Either with good monad and applicative instances. (deprecated) (bsd3, deprecated, library)
nemesis library: a task management tool for Haskell (bsd3, library)
nemesis-titan library: A collection of Nemesis tasks to bootstrap a Haskell project with a focus on continuous integration (bsd3, library)
nerf library and program: Nerf, the named entity recognition tool based on linear-chain CRFs (bsd3, library, program)
nested-sets library: Nested set model implementation (gpl, library)
net-concurrent library: Concurrent over the network execution library (bsd3, library)
netclock library: Netclock protocol (gpl, library)
netcore library: The NetCore compiler and runtime system for OpenFlow networks. (bsd3, library)
netlines library and program: Enumerator tools for text-based network protocols (bsd3, library, program)
netlink library: Netlink communication for Haskell (bsd3, library)
netlist library: Netlist AST (bsd3, library)
netlist-to-vhdl library: Convert a Netlist AST to VHDL (bsd3, library)
netpbm library: Loading PBM, PGM, PPM image files (library, mit)
netspec library: Simplify static Networking tasks (bsd3, library)
netstring-enumerator library: Enumerator-based netstring parsing (deprecated, gpl, library)
nettle library: safe nettle binding (library, mit)
nettle-frp library: FRP for controlling networks of OpenFlow switches. (bsd3, library)
nettle-netkit library: DSL for describing OpenFlow networks, and a compiler generating NetKit labs. (bsd3, library)
nettle-openflow library: OpenFlow protocol messages, binary formats, and servers. (bsd3, library)
netwire library: Functional reactive programming library (bsd3, library)
netwire-input library: Input handling abstractions for netwire (library, mit)
netwire-input-glfw library: GLFW instance of netwire-input (library, mit)
network library: Low-level networking interface (bsd3, library)
network-address library: IP data structures and textual representation (library, mit)
network-api-support library: Toolkit for building http client libraries over Network.Http.Conduit (bsd3, library)
network-bitcoin library and program: An interface to bitcoind. (bsd3, library, program)
network-bytestring library: Fast, memory-efficient, low-level networking (bsd3, deprecated, library)
network-carbon library: A Haskell implementation of the Carbon protocol (part of the Graphite monitoring tools) (bsd3, library)
network-conduit library: Stream socket data using conduits. (deprecated) (bsd3, deprecated, library)
network-conduit-tls library: Create TLS-aware network code with conduits (library, mit)
network-connection library: A wrapper around a generic stream-like connection (bsd3, deprecated, library)
network-data library: Library for network data structures and their serialization. (bsd3, library)
network-dbus library: D-Bus (library)
network-dns library: Domain Name System data structures (bsd3, library)
network-enumerator library: Enumerators for network sockets (deprecated, library, mit)
network-fancy library: Networking support with a cleaner API (bsd3, library)
network-house library: data and parsers for Ethernet, TCP, UDP, IPv4, IPv6, ICMP, DHCP, TFTP (gpl, library)
network-info library: Access the local computer's basic network configuration (bsd3, library)
network-interfacerequest library: Haskell bindings for the ifreq structure (bsd3, library)
network-ip library: Internet Protocol data structures (bsd3, library)
network-metrics library: Send metrics to Ganglia, Graphite, and statsd. (library)
network-minihttp library: A ByteString based library for writing HTTP(S) servers and clients. (bsd3, deprecated, library)
network-msg library: Recvmsg and sendmsg bindings. (library)
network-multicast library: Simple multicast library (library, public-domain)
network-netpacket library: Haskell bindings for low-level packet sockets (AF_PACKET) (bsd3, library)
network-pgi library: Library for writing PGI applications (library)
network-protocol-xmpp library: Client library for the XMPP protocol. (gpl, library)
network-rpca library: A cross-platform RPC library (bsd3, deprecated, library)
network-server library and program: A light abstraction over sockets & co. for servers (gpl, library, program)
network-service library: Provide a service at the data type level. (library, mit)
network-simple library: Simple network sockets usage patterns. (bsd3, library)
network-simple-sockaddr library: network-simple for resolved addresses (bsd3, library)
network-simple-tls library: Simple interface to TLS secured network sockets. (bsd3, library)
network-socket-options library: Type-safe, portable alternative to getSocketOption/setSocketOption (bsd3, library)
network-stream library: ByteString and Text streams for networking (gpl, library)
network-topic-models programs: A few network topic model implementations for bayes-stack (bsd3, program)
network-transport library: Network abstraction layer (bsd3, library)
network-transport-tcp library: TCP instantiation of Network.Transport (bsd3, library)
network-transport-tests library: Unit tests for Network.Transport implementations (bsd3, library)
network-transport-zeromq library: ZeroMQ backend for network-transport (bsd3, library)
network-uri library: URI manipulation (bsd3, library)
network-wai-router library: A routing library for wai (library, mit)
network-websocket library: WebSocket library (bsd3, library)
networked-game library: Networked-game support library (bsd3, library)
newports program: List ports newer than N days on a FreeBSD system (bsd3, program)
newsynth library and program: Exact and approximate synthesis of quantum circuits (gpl, library, program)
newt library and program: A trivially simple app to create things from simple templates. (bsd3, library, program)
newtype library: A typeclass and set of functions for working with newtypes. (bsd3, library)
newtype-deriving library: Instance derivers for newtype wrappers (library, mit)
newtype-generics library: A typeclass and set of functions for working with newtypes, with generics support. (bsd3, library)
newtype-th library: A template haskell deriver to create Control.Newtype instances. (bsd3, library)
newtyper library: Extra functions for the Control.Newtype typeclass (bsd3, library)
nextstep-plist library: NextStep style plist parser and printer (bsd3, library)
ngrams-loader library and program: Ngrams loader based on http://www.ngrams.info format (library, mit, program)
nibblestring library: Packed, strict nibble arrays with a list interface (ByteString for nibbles) (bsd3, library)
nicify library and program: Pretty print the standard output of show for algebraic datatypes (library, mit, program)
nikepub program: Command line utility publishes Nike+ runs on blogs and Twitter (lgpl, program)
nimber library: Finite nimber arithmetic (bsd3, library)
nitro library: Haskell bindings for Nitro (bsd3, library)
nixos-types library: this package is obsolete; see cabal2nix instead (bsd3, deprecated, library)
nkjp library and programs: Manipulating the National Corpus of Polish (NKJP) (bsd3, library, program)
nlp-scores library: Scoring functions commonly used for evaluation in NLP and IR (bsd3, library)
nlp-scores-scripts programs: NLP scoring command-line programs (bsd3, program)
nm library and program: Network Manager, binding to libnm-glib. (bsd3, library, program)
nme library: Bindings to the Nyctergatis Markup Engine (library)
nntp library: Library to connect to an NNTP Server (lgpl, library)
no-role-annots library: Role annotations without -XRoleAnnotations (bsd3, library)
noise library and program: A friendly language for graphic design (library, mit, program)
non-empty library: List-like structures with static restrictions on the number of elements (bsd3, library)
non-negative library: Non-negative numbers (gpl, library)
nonce library: Generate cryptographic nonces. (bsd3, library)
nondeterminism library: A monad and monad transformer for nondeterministic computations. (lgpl, library)
nonfree library: Free structures sans laws (library, mit)
nonlinear-optimization library: Various iterative algorithms for optimization of nonlinear functions. (gpl, library)
nonlinear-optimization-ad library: Wrapper of nonlinear-optimization package for using with AD package (gpl, library)
noodle library and programs: the noodle programming language (library, program)
normaldistribution library: Minimum fuss normally distributed random values. (bsd3, library)
not-gloss library: Painless 3D graphics, no affiliation with gloss (bsd3, library)
not-gloss-examples programs: examples for not-gloss (bsd3, program)
not-in-base library: Useful utility functions that only depend on base. (library)
notcpp library: Avoiding the C preprocessor via cunning use of Template Haskell (bsd3, library)
notmuch-haskell library and program: Binding for notmuch MUA library (lgpl, library, program)
notmuch-web library: A web interface to the notmuch email indexer (gpl, library)
np-extras library: NumericPrelude extras (bsd3, library)
np-linear library: Linear algebra for the numeric-prelude framework (bsd3, library)
nptools programs: A collection of random tools (bsd3, program)
nsis library: DSL for producing Windows Installer using NSIS. (bsd3, library)
nthable library: (bsd3, library)
ntp-control library: Client library for NTP control messaging (bsd3, library)
null-canvas library: HTML5 Canvas Graphics Library - forked Blank Canvas (bsd3, library)
numbering library: Combinators for creating bijections from some type to the natural numbers. (bsd3, library)
numbers library: Various number types (bsd3, library)
numerals library: Convert numbers to number words (bsd3, library)
numerals-base library: Convert numbers to number words (bsd3, deprecated, library)
numeric-extras library: Useful tools from the C standard library (bsd3, library)
numeric-limits library: Various floating point limit related constants. (bsd3, library)
numeric-prelude library: An experimental alternative hierarchy of numeric type classes (bsd3, library)
numeric-qq library: Quasi-quoters for numbers of different bases (library, mit)
numeric-quest library: Math and quantum mechanics (gpl, library)
numeric-tools library: Collection of numerical tools for integration, differentiation etc. (bsd3, library)
numericpeano library: Peano numbers with attendant bells and whistles. (apache, library)
nums library: None (bsd3, deprecated, library)
numtype library: Type-level (low cardinality) integers. (bsd3, library)
numtype-tf library: Type-level (low cardinality) integers, implemented using type families. (bsd3, library)
nyan program: Bored? Nyan cat! (bsd3, program)
nymphaea program: An interactive GUI for manipulating L-systems (bsd3, program)
oauthenticated library: Simple OAuth for http-client (library, mit)
obdd library: Ordered Reduced Binary Decision Diagrams (gpl, library)
oberon0 library: Oberon0 Compiler (lgpl, library)
obj library: Reads and writes obj models. (bsd3, library)
objectid library: Rather unique identifier for things that need to be stored (bsd3, library)
objective library: Extensible objects (bsd3, library)
octopus library and program: Lisp with more dynamism, more power, more simplicity. (gpl, library, program)
oculus library: Oculus Rift ffi providing head tracking data (bsd3, library)
oeis library: Interface to the Online Encyclopedia of Integer Sequences (OEIS) (bsd3, library)
off-simple library: A parser for simplified-syntax OFF files (bsd3, library)
ofx library: Parser for OFX data (bsd3, library)
ohloh-hs library and program: Interface to the Ohloh API (bsd3, library, program)
oi library: Library for purely functional lazy interactions with the outer world. (bsd3, library)
ois-input-manager library: wrapper for OIS input manager for use with hogre (bsd3, library)
old-locale library: locale library (bsd3, library)
old-time library: Time library (bsd3, library)
olwrapper library and program: An OpenLayers JavaScript Wrapper and Webframework with snaplet-fay (bsd3, library, program)
omaketex program: A simple tool to generate OMakefile for latex files. (bsd3, cli, program, tex, tools, utility)
omega program: A purely functional programming language and a proof system (bsd3, program)
omnicodec programs: dat