Hackage: All packages by name

All packages by name

3d-graphics-examples programs: Examples of 3D graphics programming with OpenGL (bsd3, program)
4Blocks program: A tetris-like game (works with GHC 6.8.3 and Gtk2hs 0.9.13) (bsd3, program)
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)
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, 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)
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, 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 (program)
AhoCorasick library: Aho-Corasick string matching algorithm (bsd3, library)
Allure program: Near-future roguelike game in very early and active development (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)
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, 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)
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: A translation from the Carneades argumentation model into Dung's AFs. (bsd3, library)
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 (bsd3, 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, library)
Clipboard library: System clipboard interface. (bsd3, library)
Coadjute library: A generic build tool (bsd3, 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)
Condor library and program: Information retrieval library (bsd3, library, program)
ConfigFile library: Configuration file reading & writing (lgpl, 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)
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, crypto-api, cryptography, library, random, rng)
DSH library: Database Supported Haskell (bsd3, library)
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 program: An interactive knowledge base, natural language interpreter. (gpl, 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)
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)
DifferentialEvolution library: Global optimization using Differential Evolution (library, mit)
Digit library: A data-type representing digits 0-9 (bsd3, deprecated, 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)
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: An implementation of the Dung argumentation frameworks. (bsd3, library)
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, 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)
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)
EventSocket library: Interfaces with FreeSwitch Event Socket. (bsd3, library)
Extra library: A grab bag of modules. (bsd3, library)
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, 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)
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)
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)
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, library)
FunGEn library: FUNctional Game ENgine (bsd3, library)
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)
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)
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)
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-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 Game Engine for the Haskell Programmer (library)
HGamer3D-API library: Library to enable 3D game development for Haskell - API (deprecated, library)
HGamer3D-Audio library: Audio Functionality for HGamer3D (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 Game Engine for the Haskell Programmer - CEGUI Bindings (library)
HGamer3D-Data library: Game Engine for the Haskell Programmer - Data Definitions and Utilities (library)
HGamer3D-Enet-Binding library: Enet Binding for HGamer3D (library)
HGamer3D-GUI library: GUI Functionality for HGamer3D (library)
HGamer3D-Graphics3D library: 3D Graphics Functionality for HGamer3D (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 (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)
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: Wrapper for ROOT (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: Haskell implementation of a subset of the PHP-Smarty template language (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)
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)
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)
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, 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, library)
HaskellNet-SSL library: Helpers to connect to SSL/TLS mail servers with HaskellNet (bsd3, library)
HaskellTorrent program: A concurrent bittorrent client (bsd3, program)
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, 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)
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)
HueAPI library: API for controlling Philips Hue lights (bsd3, 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)
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)
IrrHaskell library: Haskell FRP binding to the Irrlicht game engine. (lgpl, 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, 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, program)
Javav program: A utility to print the target version of Java class files. (bsd3, 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, tiff and radiance) (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)
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)
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 roguelike game engine in early and active development (bsd3, library, program)
LambdaINet program: Graphical Interaction Net Evaluator for Optimal Evaluation (bsd3, program)
LambdaPrettyQuote library: Quasiquoter, and Arbitrary helpers for the lambda calculus. (bsd3, library)
LambdaShell program: Simple shell for evaluating lambda expressions (gpl, program)
Lastik library: A library for compiling programs in a variety of languages (bsd3, 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)
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 (bsd3, deprecated, library)
MonadCatchIO-mtl-foreign library: Polymorphic combinators for working with foreign functions (bsd3, 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, 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)
Munkres library: Munkres' assignment algorithm (hungarian method) (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)
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)
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 (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-Language library: Language to express rules for Nomic (bsd3, library)
Nomyx-Rules library: Language to express rules for Nomic (bsd3, deprecated, 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)
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: Operations on Presburger arithmetic formulae (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)
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)
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. (lgpl, library)
PCLT-DB library: An addon to PCLT package: enchance PCLT catalog with PostgreSQL powers. (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)
ParsecTools library: Parsec combinators for more complex objects. (gpl, library)
ParserFunction library: Utilities for parsing and evaluating mathematical expressions. (bsd3, deprecated, 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)
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, library)
Piso library: Partial isomorphisms (bsd3, library)
PlayHangmanGame program: Play Hangman Game (bsd3, program)
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)
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)
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)
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)
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)
Ref library: Generic Mutable Ref Abstraction Layer (bsd3, library)
RefSerialize library: Write to and read from ByteStrings maintaining internal memory references (bsd3, library)
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)
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 (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)
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)
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 (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, library)
SimpleH library: A light, clean and powerful Haskell utility library (library)
SimpleLog library: Simple, configurable logging (bsd3, library)
SizeCompare library: Fast size comparison for standard containers. (gpl, 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)
SourceGraph program: Static code analysis using graph-theoretic techniques. (gpl, program)
SpaceInvaders program: Video game (bsd3, program)
Spock library: Another Haskell web toolkit based on scotty (bsd3, library)
Spock-auth library: Provides authentification helpers for Spock (bsd3, library)
Spock-worker library: Background workers for Spock (library)
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)
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)
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)
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)
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 (bsd3, library, program)
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)
Transhare library: A library to apply transformation to containers so as to maximize sharing of unchanged subcomponents. (bsd3, library)
TreeStructures library: A collection of heaps and search trees (bsd3, library)
TreeT library: Transformer for Data.Tree (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)
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 program: 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: WAVE audio file IO library (bsd3, library)
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)
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-extras library: Provides missing Win32 API (bsd3, library, windows)
Win32-junction-point library: Support for manipulating NTFS junction points. (bsd3, library, windows)
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)
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)
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)
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)
abcnotation library: Haskell representation and parser for ABC notation. (bsd3, library)
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)
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-cuda library: Accelerate backend for NVIDIA GPUs (bsd3, library)
accelerate-examples library: Examples using the Accelerate library (bsd3)
accelerate-fft library: FFT using the Accelerate library (bsd3, library)
accelerate-io library: Read and write Accelerate arrays in various formats (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)
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-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: Purely functional omitted content for Haskell (bsd3, library)
acme-php library: The flexibility of Haskell and the safety of PHP (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-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)
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)
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 Quasiquatation for Haskell. (library)
aeson-schema library: Haskell JSON schema validator and parser generator (library, mit)
aeson-smart library: Smart derivation of Aeson instances (library, mit)
aeson-toolkit library: A generalization of Aeson over Failure (library, mit)
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)
air library: air (bsd3, library)
air-extra library: air-extra (bsd3, library)
air-spec library: air spec helper (bsd3, library)
aivika library: A multi-paradigm simulation library (bsd3, library)
aivika-experiment library: Simulation experiments for the Aivika library (bsd3, library)
aivika-experiment-chart library: Simulation experiments with charting for the Aivika library (bsd3, library)
ajhc library and programs: Haskell compiler that produce binary through C language (gpl, library, 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)
algebraic-classes library: Conversions between algebraic classes and F-algebras. (bsd3, library)
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)
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 program: 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)
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)
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. (library, program)
antfarm library and program: Referring expressions for definitions (bsd3, 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. (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)
apache-md5 library: Apache specific MD5 digest algorighm. (bsd3, library)
apelsin program: Server and community browser for the game Tremulous (gpl, program)
api-tools library and program: DSL for generating API boilerplate and docs (bsd3, library, program)
apotiki library and program: a faster debian repository (library, mit, program)
appar library: A simple applicative parser (bsd3, library)
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)
ariadne program: Go-to-definition for Haskell (mit, program)
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 programs: A simple interpreter for arrayForth, the language used on GreenArrays chips. (gpl, library, program)
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)
ascetic library: Generic markup builder. (gpl, library)
ascii library: Type-safe, bytestring-based ASCII values. (deprecated) (bsd3, deprecated, library)
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)
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)
asynchronous-exceptions library: Distinguish between synchronous and asynchronous exceptions (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)
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. (bsd3, 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. (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. (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)
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)
authoring library: A library for writing papers (bsd3, library)
autoproc library and program: EDSL for Procmail scripts (bsd3, library, program)
avahi library: Minimal DBus bindings for Avahi daemon (http://avahi.org) (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-elastic-transcoder library: Haskell suite for the Elastic Transcoder service (bsd3, library)
aws-route53 library: Route53 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)
azure-service-api library: Haskell bindings for the Microsoft Azure Service Management API (bsd3, library)
azurify library: A simple library for accessing Azure blob storage (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)
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)
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)
barchart library and program: Creating Bar Charts in Haskell (bsd3, library, program)
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-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)
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. (bsd3, 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)
baskell program: An interpreter for a small functional language (gpl, program)
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)
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)
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)
bf-cata library: (lgpl, library)
bff library: Bidirectionalization for Free! (POPL'09) (library, public-domain)
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-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-strict library: Binary deserialisation using strict ByteStrings (bsd3, 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-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-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: Low level bindings 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-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-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-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-posix library: Low level bindings to posix. (bsd3, library)
bindings-ppdev library: PPDev bindings (bsd3, library)
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-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, program)
black-jewel program: The pirate bay client. (gpl, program)
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)
blastxml library: Library for reading Blast XML output (lgpl, library)
blaze library: Blaze-html-based HTML5 library (bsd3, library)
blaze-builder library: Efficient buffered output. (bsd3, library)
blaze-builder-conduit library: Convert streams of builders to streams of bytestrings. (bsd3, 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)
blink1 library: Control library for blink(1) LED from ThingM (bsd3, library)
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)
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)
boolexpr library: Boolean expressions with various representations and search queries. (bsd3, library)
bools library: Functions for dealing with bools (bsd3, deprecated, library)
boolsimplifier library: Simplification tools for simple propositional formulas. (bsd3, library)
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)
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)
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)
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)
btree-concurrent library: A backend agnostic, concurrent BTree (lgpl, library)
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)
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)
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. (bsd3, 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. (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-constraints program: Repeatable builds for cabalized Haskell projects. (mit, program)
cabal-db program: query tools for the local cabal database (revdeps, graph, info, search-by) (bsd3, program)
cabal-debian library and programs: Create a debianization for a cabal package (bsd3, library, program)
cabal-dev programs: Manage sandboxed Haskell build environments (bsd3, 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-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. (bsd3, 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 program: Alternative install procedure to avoid the diamond dependency issue. (bsd3, program)
cabal-test program: Automated test tool for cabal projects. (bsd3, program)
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 program: make gentoo's .ebuild file from .cabal file (bsd3, 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 program: alias for cabal install from given git repo (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)
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, make, 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)
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)
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: Analiza Java source code (bsd3, 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)
carboncopy program: Drop emails from threads being watched into special CC folder. (bsd3, program)
carettah program: A presentation tool written with Haskell. (gpl, program)
carray library: A C-compatible array library. (bsd3, library)
casadi-bindings library: low level bindings to CasADi (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)
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)
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. (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)
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-vector library: Serialize instances for Data.Vector types. (bsd3, library)
certificate library: Certificates and Key Reader/Writer (bsd3, deprecated, library)
cflp library: Constraint Functional-Logic Programming in Haskell (bsd3, library)
cfopu program: cfopu processor (bsd3, 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)
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 library (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)
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 to simplify I/O on a transformer stack. (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)
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)
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)
clean-home program: Keep your home dir clean by finding old conf files (bsd3, program)
clevercss library and program: A CSS preprocessor (bsd3, library, program)
click-clack program: Toy game (tetris on billiard board). Hipmunk in action. (program)
clientsession library: Securely store session data in a client-side cookie. (bsd3, library)
clifford library: A Clifford algebra library (bsd3, library)
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)
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)
closure library: Depth- and breadth-first set closures (library, mit)
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)
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)
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)
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)
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)
collada-output library and program: Generate animated 3d objects in COLLADA (bsd3, library, program)
collada-types library: Data exchange between graphic applications (bsd3, library)
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)
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 (library, mit)
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)
compdata library: Compositional Data Types (bsd3, library)
compensated library: Compensated floating-point arithmetic (bsd3, library)
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)
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-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 (deprecated)
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-extra library: Experimental helper functions for conduit. (library, mit)
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)
configurator library: Configuration management (bsd3, library)
confsolve program: A command line tool for resolving conflicts of file synchronizers. (bsd3, program)
conjugateGradient library: Sparse matrix linear-equation solver (bsd3, library)
conjure library and program: A BitTorrent client (bsd3, library, program)
connection library: Simple and easy network connections API (bsd3, library)
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-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)
continue library: Monads with suspension and arbitrary-spot reentry (bsd3, library)
continued-fractions library: Continued fractions. (library, public-domain)
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, fedora, 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)
countable library: Countable, Searchable, Finite, Empty classes (bsd3, library)
courier library: A message-passing library for simplifying network applications (library, mit)
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, cprng, crypto-platform, cryptography, library, random)
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)
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-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, crypto-api, cryptography, 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, cprng, crypto-platform, cryptography, library, random)
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-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)
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)
ctemplate library: Binding to the Google ctemplate library (bsd3, deprecated, 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)
cuboid program: 3D Yampa/GLUT Puzzle Game (mit, program)
cuda library: FFI binding to the CUDA interface for programming NVIDIA GPUs (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)
damnpacket library: Parsing dAmn packets (library, mit)
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)
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-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-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-dword library: Stick two binary words together to get a bigger one (bsd3, library)
data-endian library: Endian-sensitive data (bsd3, library)
data-extra library: Extra utilities for working on Data.* types. (bsd3, deprecated, 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-layout library: Read/write arbitrary binary layouts to a "Data.Vector.Storable". (bsd3, library)
data-lens library: 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-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-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-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-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, library)
datalog library: An implementation of datalog in Haskell (bsd3, library)
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, 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)
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)
deepseq library: Deep evaluation of data structures (bsd3, library)
deepseq-generics library: GHC.Generics-based Control.DeepSeq.rnf implementation (bsd3, library)
deepseq-th library: Template Haskell based deriver for optimised NFData instances (bsd3, library)
deepzoom library: A DeepZoom image slicer. Only known to work on 32bit Linux (bsd3, library)
deka library: Decimal floating point arithmetic (bsd3, library)
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, 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 (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)
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)
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-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-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)
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)
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-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: Declare, construct and verify directory layout (library, mit)
directory-tree library: A simple directory-like tree datatype, with useful IO functions (bsd3, library)
dirfiles library: (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-azure library: Microsoft Azure backend for Cloud Haskell (bsd3, library)
distributed-process-p2p library and program: Peer-to-peer node discovery for Cloud Haskell (bsd3, library, program)
distributed-process-simplelocalnet library: Simple zero-configuration backend for Cloud Haskell (bsd3, library)
distributed-static library: Compositional, type-safe, polymorphic static values and closures (bsd3, library)
distributive library: Haskell 98 Distributive functors -- Dual to Traversable (bsd3, library)
djinn program: Generate Haskell code from a type (bsd3, program)
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)
doctest library and program: Test interactive Haskell examples (library, mit, program)
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)
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)
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)
dsmc library: DSMC library for rarefied gas dynamics (bsd3, library)
dsmc-tools programs: DSMC toolkit for rarefied gas dynamics (bsd3, program)
dsp library: Haskell Digital Signal Processing (gpl, library)
dstring library: Difference strings (bsd3, library)
dtd library: Parse and render DTD files (bsd3, 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)
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)
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: dynamic-cabal (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-object library: Object-oriented programming with duck typing and singleton classes. (bsd3, library)
dyre library: Dynamic reconfiguration in Haskell (bsd3, library)
dzen-utils library: Utilities for creating inputs for dzen. (gpl, library)
easy-api library: Utility code for building HTTP API bindings more quickly. (library, mit)
easy-file library: Cross-platform File handling (bsd3, library)
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)
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)
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)
editline library: Bindings to the editline library (libedit). (bsd3, library)
effective-aspects library: A monadic embedding of aspect oriented programming (library)
effects library: Computational Effects (bsd3, library)
effects-parser library: Parser Effect for the Control.Effects Library (bsd3, library)
egison library and program: Programming language with non-linear pattern-matching with backtracking (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 programming language Egison (mit, program)
ehaskell program: like eruby, ehaskell is embedded haskell. (gpl, program)
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: Collection of functions for dealing with Either values. (bsd3, deprecated, library)
ekg library: Remote monitoring of processes (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)
elf library: Parser for ELF object format. (bsd3, library)
elm-build-lib library: Elm compiler wrapper (bsd3, library)
elm-get program: Tool for sharing and using Elm libraries (bsd3, program)
elm-repl program: a REPL for Elm (bsd3, program)
elm-server program: The Elm language server. (bsd3, 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)
engineering-units library: A numeric type for managing and automating engineering units. (bsd3, library)
entropy library: A platform independent entropy source (bsd3, crypto-api, cryptography, library, random)
enumerable library: A typeclass for enumerating all values a type (bsd3, library)
enumerator library: Reliable, high-performance processing with left-fold enumerators (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)
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 metdata (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)
errno library: a FFI utility (bsd3, library)
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)
esotericbot library and program: Esotericbot is a sophisticated, lightweight IRC bot. (bsd3, library, program)
esqueleto library: Bare bones, type-safe EDSL for SQL queries on persistent backends. (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)
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)
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 (library)
executable-path library: Finding out the full path of the executable. (library, public-domain)
exif library: A Haskell binding to a subset of libexif (bsd3, library)
exists library: Existential datatypes holding evidence of constraints (bsd3, library)
expand library: Extensible Pandoc (lgpl, library)
expat-enumerator library: Enumerator-based API for Expat (library, mit)
expiring-mvar library: Create values which expire after a period of time. (bsd3, library)
explain program: Show how expressions are parsed (mit, program)
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)
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)
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)
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)
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. (bsd3, library)
fair-predicates library: Fair Predicates (library, public-domain)
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)
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 programs: 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-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)
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 and program: Compiler for the Feldspar language (bsd3, library, program)
feldspar-language library: A functional embedded language for DSP and parallelism (bsd3, 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-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)
fig library: Manipulation of FIG files (bsd3, library)
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)
filestore library: Interface for versioning file stores. (bsd3, library)
filesystem-conduit library: Use system-filepath data types with conduits. (library, mit)
filesystem-enumerator library: Enumerator-based API for manipulating the filesystem. (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)
fingertree library: Generic finger-tree structure, with example instances (bsd3, library)
fingertree-psqueue library: Implementation of priority search queues as finger trees. (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)
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-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)
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)
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)
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-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) (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)
foldl library: Composable, streaming, and efficient left folds (bsd3, library)
folds library: Beautiful Folding (bsd3, library)
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)
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)
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 and program: Interface to the Kinect device. (bsd3, library, program)
freesect program: A Haskell syntax extension for generalised sections (bsd3, program)
freesound library and program: Access the Freesound Project database (bsd3, library, program)
freetype2 library: Haskell binding for FreeType 2 library (bsd3, library)
fresh library: Introduce fresh variables into Haskell source code (library, mit)
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, 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 it is 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)
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)
fuzzytime library and program: A 'ten past six' style clock (gpl, library, program)
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-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-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)
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)
geohash library: Geohash latitudes and longitudes. (bsd3, library)
geojson library: A thin GeoJSON Layer above the json library (library, mit)
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-gc-tune program: Graph performance of Haskell programs with different GC flags (bsd3, program)
ghc-heap-view library: Extract the heap representation of Haskell values and thunks (bsd3, library)
ghc-imported-from library and program: 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 program: 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-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)
ghcjs-codemirror library: Installs CodeMirror JavaScript files (library, mit)
ghcjs-dom library: DOM library that supports both GHCJS and WebKitGTK (library, mit)
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)
ginsu program: Ginsu Gale Client (mit, program)
gio library: Binding to the GIO. (lgpl, library)
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-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)
github library: Access to the Github API, v3. (bsd3, library)
github-backup program: backs up everything github knows about a repository, to the repository (gpl, program)
github-post-receive library: Github post-receive server library (bsd3, 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)
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-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-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)
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)
gofer-prelude library: The Gofer 2.30 standard prelude (bsd3, library)
google-dictionary library: Simple interface to the google.com/dictionary API (bsd3, library)
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-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-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: Implementation of Lambdascope 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 implementations of the SKI combinators 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 a first-order applicative term rewrite system interactively using graph reduction (bsd3, program)
graph-rewriting-ww program: Interactive reduction of lambda-calculus 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)
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, graphs, 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-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)
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)
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-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-rpn library: Adds a module to gtk2hs allowing layouts to be defined using reverse polish notation. (lgpl, library)
gtk3 library and programs: Binding to the Gtk+ graphical user interface library. (lgpl, library, program)
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: Haskell library for retrieving data from various booru image sites (gpl, library)
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)
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. (gpl, library)
hVOIDP library and program: Optimal variable selection in chain graphical model. (gpl, library, program)
hacanon-light library: Template Haskell framework for automatic FFI code generation. (bsd3, library)
hack library: a Haskell Webserver Interface (bsd3, library)
hack-contrib library: Hack contrib (bsd3, library)
hack-contrib-press library: Hack helper that renders Press templates (gpl, library)
hack-frontend-happstack library: hack-frontend-happstack (bsd3, 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, library)
hack-handler-hyena library: Hyena hack handler (bsd3, library)
hack-handler-kibro library: Hack Kibro handler (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: provide access to the Hackage database via Data.Map (bsd3, library)
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. (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)
hackport program: Hackage and Portage integration tool (gpl, program)
hactors library: Practical actors for Haskell. (library, mit)
haddock program: A documentation-generation tool for Haskell libraries (bsd3, program)
haddock-leksah program: A documentation-generation tool for Haskell libraries (bsd3, deprecated, 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)
hails library and program: Multi-app web platform framework (gpl, library, program)
hails-bin program: Dynamic launcher of Hails applications (deprecated, gpl, program)
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-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)
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 (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)
hangman program: Hangman implementation in Haskell written in two hours. (mit, program)
hans library: IPv4 Network Stack (bsd3, library)
happindicator 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)
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)
hasim library: Process-Based Discrete Event Simulation library (bsd3, library)
hask-home programs: Generate homepages for cabal packages (bsd3, program)
haskades program: Utility to generate bindings for BlackBerry Cascades (program)
haskarrow program: A dialect of haskell with order of execution based on dependency resolution (gpl, program)
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. (library, program)
haskell-bcrypt library: A bcrypt implementation for haskell (library, mit)
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-docs program: A program to find and display the docs of a name from a given module. (bsd3, program)
haskell-ftp library and program: A Haskell ftp server with configurable backend. (bsd3, library, program)
haskell-generate library: haskell-generate (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-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-qrencode library: Haskell bindings for libqrencode. (bsd3, library)
haskell-reflect library: Reflect Haskell types. (library, mit)
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, library)
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)
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)
haskoin-crypto library: Implementation of Bitcoin cryptographic primitives. (library, public-domain)
haskoin-protocol library: Implementation of the Bitcoin network protocol messages (library, public-domain)
haskoin-script library: Implementation of Bitcoin script parsing and evaluation (library, public-domain)
haskoin-util library: Utility functions for the Network.Haskoin project (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 program: Produces ctags "tags" and etags "TAGS" files for Haskell programs (bsd3, 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)
hastache library: Haskell implementation of Mustache templates (bsd3, library)
hastache-aeson library: render hastache templates using aeson values (bsd3, library)
haste program: A universal pastebin tool, written in Haskell. (bsd3, program)
haste-compiler programs: Haskell To ECMAScript compiler (bsd3, program)
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)
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 and program: A simple HTTP proxy server library (bsd3, library, program)
hback program: N-back memory game (bsd3, program)
hbayes library: Bayesian Networks (bsd3, library)
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: BLAS and Lapack bindings for OpenBLAS (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, 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: Haskell data flow library for audio processing (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)
helisp program: An incomplete Elisp compiler (bsd3, 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. (frp, game, 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 and program: A library for compiling and serving static web assets. (library, mit, program)
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)
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, library)
hexpat-tagsoup library: Parse (possibly malformed) HTML to hexpat tree (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)
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 (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)
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)
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)
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-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: Linear algebra and numerical computation (gpl, library)
hmatrix-glpk library: Linear Programming based on GLPK (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 (gpl, 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: Haskell NetCDF library (bsd3, library)
hnn library: A minimal Haskell Neural Network Library (lgpl, library)
hnop program: (all-rights-reserved, program)
hoauth library: A Haskell implementation of OAuth 1.0a protocol. (bsd3, library)
hoauth2 library: hoauth2 (bsd3, library)
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)
hole library: Higher kinded type removal (bsd3, library)
holey-format library: Combinator-based type-safe formatting (like printf() or FORMAT) (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)
hood library: Debugging by observing in place (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-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 (bsd3, library)
hoodle-types library: Data types for programs for hoodle file format (bsd3, library)
hoogle library and program: Haskell API Search (bsd3, library, program)
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 (library)
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)
hp2any-core library: Heap profiling helper library (bsd3, library)
hp2any-graph library and programs: Real-time heap graphing utility and profile stream server with a reusable graphing module. (bsd3, library, 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-strobe library: Hpc-generated strobes for a running Haskell program (bsd3, library)
hpc-tracer program: Tracer with AJAX interface (bsd3, program)
hplaylist program: Application for managing playlist files on a music player (gpl, program)
hpodder program: Podcast Aggregator (downloader) (gpl, program)
hprotoc 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-captcha library: Generate images suitable for use as CAPTCHAs in online web-form security. (bsd3, library)
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-pgms library and program: Programmer's Mine Sweeper in Haskell (bsd3, library, program)
hs-pkpass library: A library for Passbook pass creation & signing (bsd3, library)
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)
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)
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: Flexible benchmark runner for Haskell and non-Haskell benchmarks. (bsd3, library)
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-db library: Haskell SuperCollider Unit Generator Database (gpl, library)
hsc3-dot library: haskell supercollider graph drawing (gpl, library)
hsc3-graphs library and program: Haskell SuperCollider Graphs (gpl, library, program)
hsc3-lang library: Haskell SuperCollider Language (gpl, library)
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 programs: Haskell SuperCollider Utilities (gpl, 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)
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)
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)
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)
hsgnutls library: Library wrapping the GnuTLS API. (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)
hsntp library and programs: Libraries to use SNTP protocol and small client/server implementations. (bsd3, library, 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 and program: Behavior-Driven Development for Haskell (library, mit, program)
hspec-discover library: Automatically discover and run Hspec tests (deprecated, library, mit)
hspec-expectations library: Catchy combinators for HUnit (library, mit)
hspec-expectations-lens library: Hspec expectations for the lens stuff (bsd3, 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-meta library and program: A version of Hspec which is used to test Hspec itself (library, mit, program)
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-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-webdriver library: Write end2end web application tests using webdriver and hspec (library, mit)
hspec2 library and program: Alpha version of Hspec 2.0 (library, mit, program)
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-morris program: HsQML-based implementation of Nine Men's Morris (bsd3, 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)
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-truncate library: A HTML truncator (bsd3, library)
html2hamlet program: HTML to Hamlet converter (bsd3, program)
htodo program: A todo application. (bsd3, program)
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 (library, mit)
http-client-multipart library: Generate multipart uploads for http-client. (library, mit)
http-client-openssl library: http-client backend using the OpenSSL library. (library, mit)
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-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, library)
http2 library and programs: HTTP/2.0 library including HPACK (bsd3, library, program)
httpd-shed library: A simple web-server with an interact style API (bsd3, 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)
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-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-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)
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)
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)
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 program: 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)
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. (lgpl, library)
igraph library: Bindings to the igraph C library. (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)
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)
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)
improve library: An imperative, verifiable programming language for high assurance applications. (bsd3, library)
inch program: A type-checker for Haskell with integer constraints (bsd3, program)
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 (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)
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)
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 (program)
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)
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)
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)
intervals library: Interval Arithmetic (bsd3, library)
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)
ioctl library: Type-safe I/O control package (library, mit)
iotransaction library: Supports the automatic undoing of IO operations when an exception is thrown. (library, mit)
ip6addr programs: Command-line tools to deal with IPv6 Addresses text representation (bsd3, program)
ipatch program: interactive patch editor (gpl, program)
ipc library: High level inter-process communication library (bsd3, deprecated, library)
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)
ircbot library: A library for writing irc bots (bsd3, library)
ircbouncer program: IRC bouncer (bsd3, deprecated, program)
ironforge library and program: A technical demo for Antisplice. (bsd3, library, program)
isevaluated library: Check whether a value has been evaluated (library, mit)
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 mapping to Haskell datatypes from the official site (http://www.loc.gov/standards/iso639-2/php/English_list.php) (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)
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: Indexed monads library (bsd3, library)
ixset 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)
jalla library: Higher level functions for linear algebra. Wraps BLAS and LAPACKE. (bsd3, library)
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)
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. (JavaScript, bsd3, library, program)
jmacro-rpc library: JSON-RPC clients and servers using JMacro, and evented client-server FRP. (bsd3, library)
jmacro-rpc-happstack library: Happstack backend for jmacro-rpc (bsd3, library)
jmacro-rpc-snap library: Snap backend for jmacro-rpc (bsd3, library)
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)
jpeg library: A library for decoding JPEG files written in pure Haskell (bsd3, library)
js-good-parts library: Javascript: The Good Parts -- AST & Pretty Printer (bsd3, library)
jsaddle library: High level interface for webkit-javascriptcore (library, mit)
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-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-fu library: Generic JSON serialization / deserialization (library, mit)
json-qq library: Json Quasiquatation library for Haskell. (library)
json-rpc-server library: JSON RPC 2.0 on the server side. (library, mit)
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. (bsd3, program)
jsonrpc-conduit library: JSON-RPC 2.0 server over a Conduit. (gpl, library)
jspath library: Extract substructures from JSON by following a path. (bsd3, library)
judy library: Fast, scalable, mutable dynamic arrays, maps and hashes (bsd3, library)
jwt library: JSON Web Token (JWT) decoding and encoding (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)
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)
keter library and program: Web application deployment manager, focusing on Haskell web frameworks (library, mit, program)
kevin program: a dAmn ↔ IRC proxy (gpl, program)
keys library: Keyed functors and containers (bsd3, library)
keyvaluehash library: Pure Haskell key/value store implementation (bsd3, library)
kibro library and program: Web development framework. (bsd3, deprecated, library, program)
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-vector library: An implementation of the kmeans clustering algorithm based on the vector package (bsd3, library)
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)
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 (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)
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-toolbox program: An application to work with the lambda calculus (for learning) (bsd3, program)
lambda2js program: Untyped Lambda calculus to JavaScript compiler (gpl, program)
lambdaFeed program: RSS 2.0 feed generator (gpl, 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)
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 is a domain specific language and library that makes it possible to program GPUs in a purely functional style. (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-samples programs: Samples for LambdaCube 3D (bsd3, program)
lambdiff program: Diff Viewer (bsd3, program)
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 analysis library (ECMAScript, JavaScript, analysis, bsd3, library)
language-eiffel library: Parser and pretty printer for the Eiffel language. (bsd3, library)
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)
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)
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)
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)
leksah library and program: 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-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-time library: lens for Data.Time (library, mit)
lenses library: Simple Functional Lenses (bsd3, library)
level-monad library: Non-Determinism Monad for Level-Wise Search (library, public-domain)
leveldb-haskell 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: lens-based API for Gtk (bsd3, library)
lha library: Data structures for the Les Houches Accord (library, mit)
lhae program: Simple spreadsheet program (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)
lhs2tex program: Preprocessor for typesetting Haskell sources with LaTeX (gpl, program)
libGenI library: A natural language generator (specifically, an FB-LTAG surface realiser) (deprecated, gpl, 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)
libjenkins library: Jenkins API interface (bsd3, 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. (lgpl, library)
libnotify library: Bindings to libnotify library (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)
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 (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)
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-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)
linearEqSolver library: Use SMT solvers to solve linear systems over integers and rationals (bsd3, library)
linebreak library: breaks strings to fit width (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)
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 (lgpl, library)
linux-mount library: Mount and unmount filesystems (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 (gpl, library)
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 program: Predicate Abstraction-based Horn-Clause/Implication Constraint Solver (bsd3, library, program)
liquidhaskell library and program: Liquid Types for Haskell (gpl, 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-grouping library: Functions for grouping a list into sublists (bsd3, library)
list-mux library: List Multiplexing (bsd3, library)
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)
literals library: Non-overloaded functions for concrete literals. (library, mit)
live-sequencer library and program: Live coding of MIDI music (gpl, library, program)
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, library)
llvm-analysis library: A Haskell library for analyzing LLVM bitcode (bsd3, library)
llvm-base library: FFI bindings to the LLVM compiler toolkit. (bsd3, 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-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-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)
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)
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, log, mit)
log2json library and program: Turn log file records into JSON. (gpl, library, program)
logfloat library: Log-domain floating point numbers (bsd3, library)
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)
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, library)
loop-while library: A monad transformer supporting various styles of while loop (bsd3, library)
loopy program: Find all biological feedback loops within an ecosystem graph. (bsd3, program)
lord program: A command line interface to online radios. (program, public-domain)
loris library: interface to Loris API (gpl, library)
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)
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)
lucienne programs: Server side feed aggregator/reader (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)
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)
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)
maccatcher library: Obtain the host MAC address on *NIX and Windows. (bsd3, library)
machines library: Networked stream transducers (bsd3, library)
macho library: Parser for Mach-O object format. (bsd3, library)
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)
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)
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)
mandulia program: A zooming visualisation of the Mandelbrot Set as many Julia Sets. (gpl, program)
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, 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)
markup-preview program: A simple markup document preview (markdown, textile, reStructuredText) (program)
marxup library and program: Markup language preprocessor for Haskell (gpl, library, 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)
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)
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)
mega-sdist program: Handles uploading to Hackage from mega repos (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)
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)
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)
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)
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)
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. (bsd3, library)
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 (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)
ministg program: an interpreter for an operational semantics for the STG machine. (bsd3, program)
miniutter library: Simple English clause creation from arbitrary words (English, NLP, bsd3, library, text)
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)
modbus-tcp library: Communicate with Modbus devices over TCP (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-interleave library: Monads with an unsaveInterleaveIO-like operation. (bsd3, library)
monad-journal library: On-the-fly logging typeclass and monad transformer (library, public-domain)
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, 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)
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, generic, library, type-level)
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)
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, library)
mpvguihs program: A minimalist mpv GUI written in I/O heavy Haskell. (gpl, program)
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-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)
mueval library and programs: Safely evaluate pure Haskell expressions (bsd3, library, program)
multext-east-msd library: MULTEXT-East morphosyntactic descriptors (bsd3, library)
multiarg library: Combinators to build command line parsers (bsd3, library)
multifocal library and program: Bidirectional Two-level Transformation of XML Schemas (bsd3, library, program)
multimap library: A multimap. (library, mit)
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)
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: To be written. (bsd3, library)
music-pitch library: Abstract representation of musical pitch. (bsd3, library)
music-pitch-literal library: Overloaded pitch literals. (bsd3, library)
music-preludes library: Some useful preludes for the Music Suite. (bsd3, library)
music-score library: Musical score and part representation. (bsd3, library)
music-sibelius library: To be written. (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)
mustache2hs program: Utility to generate Haskell code from Mustache templates (program)
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)
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)
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)
n-m library and program: Utility to call iwconfig. (deprecated, library, program)
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)
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: Haskell 98 natural numbers (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 (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 and program: A quasiquoter for neat and simple multiline text interpolation (library, mit, program)
nehe-tuts programs: Port of the NeHe OpenGL tutorials to Haskell. (bsd3, program)
neither library: Provide versions of Either with good monad and applicative instances. (deprecated) (bsd3, 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)
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 (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)
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-conduit library: Stream socket data using conduits. (bsd3, 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 (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, metrics, monitoring)
network-minihttp library: A ByteString based library for writing HTTP(S) servers and clients. (bsd3, deprecated, 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-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-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-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)
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)
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)
nondeterminism library: A monad and monad transformer for nondeterministic computations. (lgpl, library)
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)
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-quest library: Math and quantum mechanics (gpl, library)
numeric-tools library: Collection of numerical tools for integration, differentiation etc. (bsd3, library)
nums library: Handy common number functions (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)
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)
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: data encoding and decoding command line utilities (program)
on-a-horse library: "Haskell on a Horse" - A combinatorial web framework (bsd3, library)
one-liner library: Constraint-based generics (bsd3, library)
oneOfN library: Anonymous coproduct type (library, public-domain)
only program: A grep-like tool for filtering on words or lines. (gpl, program)
onu-course library: Code for the Haskell course taught at the Odessa National University in 2012 (library, mit)
open-pandoc library: Conversion between markup formats (deprecated, gpl)
open-witness library: open witnesses (bsd3, library)
opencv-raw library: Raw Haskell bindings to OpenCV >= 2.0 (bsd3, library)
openexchangerates library: Fetch exchange rates from OpenExchangeRates.org (library)
openid library: An implementation of the OpenID-2.0 spec. (bsd3, library)
openpgp library: Implementation of the OpenPGP message format (library)
openpgp-Crypto library: Implementation of cryptography for use with OpenPGP using the Crypto library (library)
openpgp-asciiarmor library: OpenPGP (RFC4880) ASCII Armor codec (library)
openpgp-crypto-api library: Implement cryptography for OpenPGP using crypto-api compatible libraries (library)
opensoundcontrol-ht library: Haskell OpenSoundControl utilities (gpl, library)
openssl-createkey library: Create OpenSSL keypairs. (bsd3, library)
openssl-streams library: OpenSSL network support for io-streams. (bsd3, library)
opentheory library and program: The Haskell base (library, mit, program)
opentheory-char library and program: Unicode characters (library, mit, program)
opentheory-parser library and program: Stream parsers (library, mit, program)
opentheory-prime library and program: Prime numbers (library, mit, program)
opentheory-primitive library and program: Haskell primitives used by OpenTheory packages (library, mit, program)
operational library: Implementation of difficult monads made easy with operational semantics. (bsd3, library, monad)
opml library: Representing and handling OPML subscription information. (bsd3, library)
optimization library: Numerical optimization (bsd3, library)
optimusprime program: A supercompiler for f-lite (bsd3, program)
optional library: Using type-classes for optional function arguments (bsd3, library)
options library: A powerful and easy-to-use command-line option parser. (library, mit)
optparse-applicative library: Utilities and combinators for parsing command line options (bsd3, library)
orc library and program: Orchestration-style co-ordination EDSL (bsd3, library, program)
orchid library: Haskell Wiki Library (bsd3, library)
orchid-demo program: Haskell Wiki Demo (bsd3, program)
ord-adhoc library: Creating Ord instances instantly (bsd3, library)
order-statistics library: L-Estimators for robust statistics (bsd3, library)
ordered library: A definition of Posets. (library)
orders library: basic orders (bsd3, library)
ordrea library: Push-pull implementation of discrete-time FRP (library, public-domain)
osm-download library: Download Open Street Map tiles (bsd3, library)
osx-ar library: Parser for OS X static archive format. (bsd3, library)
ot library: Real-time collaborative editing with Operational Transformation (library, mit)
ottparse-pretty program: Pretty-printer for Ott parse trees (bsd3, program)
package-o-tron library and programs: Utilities for working with cabal packages and your package database (bsd3, library, program)
package-vt program: Haskell Package Versioning Tool (bsd3, program)
packdeps library and program: Check your cabal packages for lagging dependencies. (bsd3, library, program)
packed-dawg library: Generation and traversal of highly compressed directed acyclic word graphs. (bsd3, library)
packedstring library: (Deprecated) Packed Strings. (bsd3, deprecated, library)
packer library: Fast byte serializer and unserializer (bsd3, library)
packunused program: Tool for detecting redundant Cabal package dependencies (bsd3, program)
pacman-memcache program: Read whole Pacman database which pushes it into the memory cache (bsd3, program)
padKONTROL library: Controlling padKONTROL native mode (bsd3, library)
palette library: Utilities for choosing and creating color schemes. (bsd3, library)
palindromes library and program: Finding palindromes in strings (bsd3, library, program)
pam library: Haskell binding for C PAM API (bsd3, library)
panda library: A simple static blog engine (gpl, library)
pandoc library and programs: Conversion between markup formats (gpl, library, program)
pandoc-citeproc library and program: Supports using pandoc with citeproc (bsd3, library, program)
pandoc-types library: Types for representing a structured document (gpl, library)
pandoc-unlit program: Literate Haskell support for GitHub's Markdown flavor (deprecated, mit, program)
pango library: Binding to the Pango text rendering engine. (lgpl, library)
papillon library and program: packrat parser (bsd3, library, program)
pappy program: Packrat parsing; linear-time parsers for grammars in TDPL. (bsd3, program)
para library: Text paragraph formatting (bsd3, library)
paragon library and program: Paragon (bsd3, library, program)
parallel library: Parallel programming library (bsd3, library)
parallel-io library: Combinators for executing IO actions in parallel on a thread pool. (bsd3, library)
parallel-tasks library: (bsd3, library)
parallel-tree-search library: Parallel Tree Search (library, public-domain)
parameterized-data library: Parameterized data library implementing lightweight dependent types (bsd3, library)
parco library: Generalised parser combinators (bsd3, library)
parco-attoparsec library: Generalised parser combinators - Attoparsec interface (bsd3, library)
parco-parsec library: Generalised parser combinators - Parsec interface (bsd3, library)
parcom-lib library: A simple parser-combinator library, a bit like Parsec but without the frills (bsd3, library)
parconc-examples programs: Examples to accompany the book "Parallel and Concurrent Programming in Haskell" (bsd3, program)
parport library: Simply interfacing the parallel port on linux (gpl, library)
parse-dimacs library: DIMACS CNF parser library (bsd3, library)
parse-help library: generate command line arguments from a --help output (bsd3, library)
parseargs library and program: Command-line argument parsing library for Haskell programs (bsd3, library, program)
parsec library: Monadic parser combinators (bsd3, library)
parsec-extra library: Some miscellaneous basic string parsers. (bsd3, library)
parsec-numbers library: Utilities for parsing numbers from strings (bsd3, library)
parsec-parsers library: Parsing instances for Parsec (bsd3, deprecated, library)
parsec-permutation library: Applicative permutation parser for Parsec intended as a replacement for Text.Parsec.Perm. (bsd3, library)
parsec-tagsoup library: Parsec parsers for Tagsoup tag streams (library, public-domain)
parsec-utils library: Utility functions and combinators for Text.Parsec (bsd3, library)
parsec1 library: Portable monadic parser combinators (bsd3, library)
parsec2 library: Monadic parser combinators (bsd3, library)
parsec3 library: Monadic parser combinators (bsd3, library)
parsec3-numbers library: Utilities for parsing numbers from Char sequences (bsd3, library)
parsedate library: Data and time parsing for CalendarTime (bsd3, library)
parsek library: Parallel Parsing Processes (gpl, library)
parsely library: (bsd3, library)
parsergen library: TH parser generator for splitting bytestring into fixed-width fields (bsd3, library)
parsers library: Parsing combinators (bsd3, library)
parsestar library and programs: NMR-STAR file format parser. (bsd3, library, program)
parsimony library: Monadic parser combinators derived from Parsec (bsd3, library)
partial-isomorphisms library: Partial isomorphisms. (bsd3, library)
partial-lens library: Haskell 98 Partial Lenses (deprecated, library, mit)
partial-uri library: Datatype for passing around unresolved URIs. (library)
partly library and program: Inspect, create, and alter MBRs. (bsd3, library, program)
passage library: Parallel code generation for hierarchical Bayesian modeling. (bsd3, library)
pastis library: Interface to the past.is URL shortening service (bsd3, library)
pasty program: A simple command line pasting utility (gpl, program)
patch-combinators library: A library for patching functions and data structures (bsd3, library)
path-pieces library: Components of paths. (bsd3, library)
pathtype library: Type-safe replacement for System.FilePath etc (bsd3, library)
patience library: Patience diff and longest increasing subsequence (bsd3, library)
pattern-arrows library: Arrows for Pretty Printing (library, mit)
patterns library: Common patterns in message-oriented applications (lgpl, library)
paypal-api library: PayPal API, currently supporting "ButtonManager" (bsd3, library)
pb program: pastebin command line application (bsd3, program)
pbc4hs library: pbc for HsLua (bsd3, library)
pbkdf library: Haskell implementation of the PBKDF functions from RFC-2898. (bsd3, library)
pcap library: A system-independent interface for user-level packet capture (bsd3, library)
pcap-conduit library: Conduit <-> libpcap (bsd3, library)
pcap-enumerator library: Convert a pcap into an enumerator. (bsd3, library)
pcd-loader library and program: PCD file loader. (bsd3, library, program)
pcre-less library: Nicer interface to regex-pcre. (bsd3, library)
pcre-light library: A small, efficient and portable regex library for Perl 5 compatible regular expressions (bsd3, library)
pcre-light-extra library: pcre-light extra functionality (bsd3, library)
pcre-utils library: Perl-like substitute and split for PCRE regexps. (bsd3, library)
pdf-toolbox-content library: A collection of tools for processing PDF files (bsd3, library)
pdf-toolbox-core library: A collection of tools for processing PDF files. (bsd3, library)
pdf-toolbox-document library: A collection of tools for processing PDF files. (bsd3, library)
pdf2line programs: Simple command-line utility to convert PDF into text (gpl, program)
pdfinfo library: Wrapper around the pdfinfo command. (bsd3, library)
pdfsplit program: split two-column PDFs, so there is one column per page (bsd3, program)
pdynload library: pdynload is polymorphic dynamic linking library. (gpl, library)
peakachu library: Experiemental library for composable interactive programs (bsd3, library)
peano-inf library: Lazy Peano numbers including observable infinity value. (bsd3, library)
pec library and programs: pec embedded compiler (bsd3, library, program)
pecoff library: Parser for PE/COFF format. (bsd3, library)
peg program: a lazy non-deterministic concatenative programming language (gpl, program)
peggy library: The Parser Generator for Haskell (bsd3, library)
pem library: Privacy Enhanced Mail (PEM) format reader and writer. (bsd3, library)
penn-treebank library: Tools for manipulating the Penn TreeBank (bsd3, library)
penny library: Extensible double-entry accounting system (bsd3, library)
penny-bin library: Deprecated - use penny package instead (bsd3, deprecated)
penny-lib library: Deprecated - use penny package instead (bsd3, deprecated)
peparser library: A parser for PE object files. (bsd3, library)
perceptron library: The perceptron learning algorithm. (bsd3, library)
perdure library and program: Robust persistence for acyclic immutable data (library, program)
perm library: permutation Applicative and Monad with many mtl instances (bsd3, library)
permutation library: A library for permutations and combinations. (bsd3, library)
permute library: Generalised permutation parser combinator (bsd3, library)
persistent library: Type-safe, multi-backend data serialization. (library, mit)
persistent-cereal library: Helper functions for writing Persistent instances (library, public-domain)
persistent-equivalence library: Persistent equivalence relations (aka union-find) (bsd3, library)
persistent-hssqlppp library: Declare Persistent entities using SQL SELECT query syntax (bsd3, library)
persistent-map library: A thread-safe (STM) persistency interface for finite map types. (deprecated, lgpl, library)
persistent-mongoDB library: Backend for the persistent library using mongoDB. (library, mit)
persistent-mysql library: Backend for the persistent library using MySQL database server. (library, mit)
persistent-postgresql library: Backend for the persistent library using postgresql. (library, mit)
persistent-protobuf library: Template-Haskell helpers for integrating protobufs with persistent. (bsd3, library)
persistent-redis library: Backend for persistent library using Redis. (bsd3, library)
persistent-refs library: Haskell references backed by an IntMap for persistence and reversibility. (bsd3, library)
persistent-sqlite library: Backend for the persistent library using sqlite3. (library, mit)
persistent-template library: Type-safe, non-relational, multi-backend persistence. (library, mit)
persistent-vector library: A persistent sequence based on array mapped tries (bsd3, library)
pesca program: Proof Editor for Sequent Calculus (gpl, program)
pez library: A Pretty Extraordinary Zipper library (bsd3, library)
pgm library: Pure Haskell implementation of PGM image format (bsd3, library)
pgsql-simple library: A mid-level PostgreSQL client library. (bsd3, deprecated, library)
phasechange library: Freezing, thawing, and copy elision (bsd3, library)
phash library: Haskell bindings to pHash, the open source perceptual hash library (gpl, library)
phone-push library: Push notifications for Android and iOS (bsd3, library)
phonetic-code library: Phonetic codes: Soundex and Phonix (bsd3, library)
phooey library: Functional user interfaces (bsd3, library)
photoname program: Rename JPEG photo files based on shoot date (bsd3, program)
phraskell program: A fractal viewer. (gpl, program)
phybin library and program: Utility for clustering phylogenetic trees in Newick format based on Robinson-Foulds distance. (bsd3, library, program)
pianola library: Remotely controlling Java Swing applications (library, mit)
picosat library: Bindings to the PicoSAT solver (library, mit)
piet library and program: A Piet interpreter (bsd3, library, program)
piki program: Yet another text-to-html converter (bsd3, program)
pipes library: Compositional pipelines (bsd3, library)
pipes-aeson library: Encode and decode JSON streams using Aeson and Pipes. (bsd3, library)
pipes-attoparsec library: Attoparsec and Pipes integration. (bsd3, library)
pipes-attoparsec-streaming library and program: Streaming parsing in the pipes-core framework with Attoparsec. (bsd3, deprecated, library, program)
pipes-binary library: Encode and decode binary streams using the pipes and binary libraries. (bsd3, library)
pipes-bytestring library: ByteString support for pipes (bsd3, library)
pipes-cereal-plus library: A streaming serialization library on top of "pipes" and "cereal-plus" (library, mit)
pipes-concurrency library: Concurrency for the pipes ecosystem (bsd3, library)
pipes-conduit library: Conduit adapters (bsd3, library)
pipes-core library: Compositional pipelines (bsd3, deprecated, library)
pipes-courier library: Pipes utilities for interfacing with the courier message-passing framework. (bsd3, library)
pipes-csv library: Fast, streaming csv parser (library, mit)
pipes-errors library: Integration between pipes and errors (bsd3, library)
pipes-extra library: Various basic utilities for Pipes. (bsd3, library)
pipes-group library: Group streams into substreams (bsd3, library)
pipes-http library: HTTP client with pipes interface (bsd3, library)
pipes-interleave library: Interleave and merge streams of elements (bsd3, library)
pipes-network library: Use network sockets together with the pipes library. (bsd3, library)
pipes-network-tls library: TLS-secured network connections support for pipes. (bsd3, library)
pipes-p2p library: P2P network nodes with pipes (bsd3, library)
pipes-p2p-examples program: Examples using pipes-p2p (bsd3, program)
pipes-parse library: Parsing infrastructure for the pipes ecosystem (bsd3, library)
pipes-postgresql-simple library: Convert various postgresql-simple calls to work with pipes (library, mit)
pipes-rt library and program: A few pipes to control the timing of yields (bsd3, library, program)
pipes-safe library: Safety for the pipes ecosystem (bsd3, library)
pipes-shell library: Create proper Pipes from System.Process (bsd3, library)
pipes-text library: Text pipes. (bsd3, library)
pipes-vector library: Various proxies for streaming data into vectors (bsd3, library)
pipes-websockets library: Library for using websockets ontop of pipes-network. (bsd3, library)
pipes-zlib library: Zlib compression and decompression for Pipes streams (bsd3, library)
pisigma library and program: A dependently typed core language (bsd3, library, program)
pkcs1 library: RSA encryption with PKCS1 padding (gpl, library)
pkggraph program: Package dependency graph for installed packages (bsd3, program)
pktree library: Implementation of the PKTree spatial index data structure (library)
placeholders library: Placeholders for use while developing Haskell code (bsd3, library)
planar-graph library: A representation of planar graphs (bsd3, library)
plat library: Simple templating library (bsd3, library)
playlists library and program: Library and executable for working with playlist files. (bsd3, library, program)
plist library: Generate and parse Mac OX property list format (bsd3, library)
plivo library: Plivo API wrapper for Haskell (library)
plot library: A plotting library, exportable as eps/pdf/svg/png or renderable with gtk (bsd3, library)
plot-gtk library: GTK plots and interaction with GHCi (bsd3, library)
plotserver-api library: Plotserver API (library, mit)
plugins library: Dynamic linking for Haskell and C objects (bsd3, library)
plugins-auto library: Automatic recompilation and reloading of haskell modules. (bsd3, library)
plugins-multistage library: Dynamic linking for embedded DSLs with staged compilation (bsd3, library)
plumbers library: Pointless plumbing combinators (bsd3, library)
ply-loader library and program: PLY file loader. (bsd3, library, program)
png-file library: read/write png file (bsd3, library)
pngload library: Pure Haskell loader for PNG images (bsd3, library)
pnm library: PNM image format header parsing and pretty printing (bsd3, library)
pointed library: Pointed and copointed data (bsd3, library)
pointedlist library: A zipper-like comonad which works as a list, tracking a position. (bsd3, library)
pointfree program: Tool for refactoring expressions into pointfree form (program)
pointful program: Pointful refactoring tool (bsd3, program)
pointless-fun library: Some common point-free combinators. (bsd3, library)
pointless-haskell library: Pointless Haskell library (bsd3, library)
pointless-lenses library: Pointless Lenses library (bsd3, library)
pointless-rewrite library: Pointless Rewrite library (bsd3, library)
poker-eval library: Binding to libpoker-eval (library, public-domain)
polar library: Complex numbers in polar form (bsd3, library)
polh-lexicon library and programs: A library for manipulating the historical dictionary of Polish (deprecated) (bsd3, library, program)
polimorf library: Working with the PoliMorf dictionary (bsd3, library)
poll library: Bindings to poll.h (bsd3, library)
polyToMonoid library: Polyvariadic functions mapping to a given monoid (bsd3, library)
polynomial library: Polynomials (library, public-domain)
polynomials-bernstein library: A solver for systems of polynomial equations in bernstein form (gpl, library)
polyparse library: A variety of alternative parser combinator libraries. (lgpl, library)
polyseq library and program: Taming Selective Strictness (deprecated, library, program, public-domain)
polysoup library: Online XML parsing with polyparse and tagsoup (bsd3, library)
polytypeable library: Typeable for polymorphic types. (bsd3, library)
polytypeable-utils library: Utilities for polytypeable. (bsd3, library)
ponder library: PEG parser combinator (library, mit)
pontarius-mediaserver program: Extended Personal Media Network (XPMN) media server (deprecated, program)
pontarius-xmpp library: An XMPP client library (bsd3, library, network, xmpp)
pontarius-xpmn library: Extended Personal Media Network (XPMN) library (deprecated, library)
pony program: Can I have a pony? (bsd3, program)
pool library: Thread-safe resource pools. (deprecated) (bsd3, deprecated, library)
pool-conduit library: Resource pool allocations via ResourceT. (library, mit)
pooled-io library: Run jobs on a limited number of threads and support data dependencies (bsd3, library)
pop3-client library: POP3 Client Library (bsd3, library)
popenhs library: popenhs is a popen-like library for Haskell. (gpl, library)
poppler library: Binding to the Poppler. (gpl, library)
portable-lines library: Alternative 'lines' implementation that understands CR-LF and CR (bsd3, library)
portaudio library: Haskell bindings for the PortAudio library. (library)
porte library and program: FreeBSD ports index search and analysis tool (bsd3, library, program)
porter library: Implementation of the Porter stemming algorithm (bsd3, library)
ports library: The Haskell Ports Library (lgpl, library)
posix-acl library: Support for Posix ACL (lgpl, library)
posix-escape library: Quote arguments to be passed through the Unix shell (bsd3, library)
posix-filelock library: Nice wrapper around POSIX fcntl advisory locks (library)
posix-paths library: POSIX filepath/directory functionality (bsd3, library)
posix-pty library: Pseudo terminal interaction with subprocesses. (bsd3, library)
posix-realtime library: POSIX Realtime functionality (bsd3, library)
posix-timer library: Bindings to POSIX clock and timer functions. (bsd3, library)
posix-waitpid library: Low-level wrapping of POSIX waitpid(2). (library, mit)
postcodes library: A library that gets postcode information from the uk-postcodes.com (bsd3, library)
postgresql-copy-escape library: Format data to feed to a PostgreSQL COPY FROM statement (bsd3, library)
postgresql-libpq library: low-level binding to libpq (bsd3, library)
postgresql-orm library and program: An ORM (Object Relational Mapping) and migrations DSL for PostgreSQL. (gpl, library, program)
postgresql-simple library: Mid-Level PostgreSQL client library (bsd3, library)
postie library and program: (bsd3, library, program)
postmark library: Library for postmarkapp.com HTTP Api (bsd3, library)
postmaster program: Postmaster ESMTP Server (gpl, program)
powermate library: PowerMate bindings (bsd3, library)
powerpc library: Tools for PowerPC programs. (bsd3, library)
ppm library: a tiny PPM image generator (bsd3, library)
pqc library: Parallel batch driver for QuickCheck (bsd3, library)
pqueue library: Reliable, persistent, fast priority queues. (bsd3, library)
pqueue-mtl library: Fully encapsulated monad transformers with queuelike functionality. (bsd3, deprecated, library)
practice-room program: Practice Room (bsd3, program)
precis library and program: Diff Cabal packages. (library, program)
predicates library: A couple of convenience functions for forming predicates. (bsd3, library)
prednote library: Build and evaluate trees of predicates (bsd3, library)
prefix-units library: A basic library for SI/binary prefix units (bsd3, library)
prelude-extras library: Haskell 98 - higher order versions of Prelude classes (bsd3, library)
prelude-generalize library: Another kind of alternate Prelude file (library, public-domain)
prelude-plus library: Prelude for rest of us (bsd3)
prelude-prime library: A slightly better (but conservative) Prelude (library, mit)
prelude-safeenum library: A redefinition of the Prelude's Enum class in order to render it safe. (bsd3, library)
preprocessor-tools library: A framework for extending Haskell's syntax via quick-and-dirty preprocessors (bsd3, library)
presburger library: A decision procedure for quantifier-free linear arithmetic. (bsd3, library)
press library: Text template library targeted at the web / HTML generation (gpl, library)
prettify library: Haskell2010 structured text formatting (bsd3, library)
pretty library: Pretty-printing library (bsd3, library)
pretty-class library: Extremely simple Pretty class (bsd3, deprecated, library)
pretty-hex library: A library for hex dumps of ByteStrings (bsd3, library)
pretty-ncols library: A implementation of multi-column layout w/ Text.PrettyPrint (bsd3, library)
pretty-show library and program: Tools for working with derived `Show` instances and generic inspection of values. (bsd3, library, program)
pretty-tree library: Pretty-print trees (bsd3, library)
prettyclass library: Pretty printing class similar to Show. (bsd3, library)
prim-uniq library: Opaque unique identifiers in primitive state monads (library, public-domain)
primes library: Efficient, purely functional generation of prime numbers (bsd3, library)
primitive library: Primitive memory-related operations (bsd3, library)
primula-board program: ImageBoard on Happstack and HSP (gpl, program)
primula-bot program: Jabber-bot for primula-board ImageBoard (gpl, program)
printf-mauke library: A Perl printf like formatter. (bsd3, library)
printxosd program: Simple tool to display some text on an on-screen display (bsd3, program)
priority-queue library: Simple implementation of a priority queue. (bsd3, library)
priority-sync library and program: Cooperative task prioritization. (bsd3, library, program)
privileged-concurrency library: Provides privilege separated versions of the concurrency primitives. (bsd3, library)
prizm library: A haskell library for computing with colors (bsd3, library)
probability library: Probabilistic Functional Programming (bsd3, library)
proc library: Parse process information for Linux (gpl, library)
process library: Process libraries (bsd3, library)
process-conduit library: Conduits for processes (bsd3, library)
process-extras library: Process extras (library, mit)
process-iterio library: IterIO Process Library (bsd3, library)
process-leksah library: Process libraries (bsd3, library)
process-listlike library and program: Enhanced version of process-extras (library, mit, program)
process-progress library and program: Run a process and do reportsing on its progress. (bsd3, library, program)
process-qq library: Quasi-Quoters for exec process (bsd3, library)
process-streaming library: Streaming interface to system processes. (bsd3, library)
processing library: Web graphic applications with processing.js. (bsd3, library)
procrastinating-structure library: Pure structures that can be incrementally created in impure code (library)
procrastinating-variable library: Haskell values that cannot be evaluated immediately. (bsd3, library)
procstat library: get information on processes in Linux (bsd3, library)
proctest library and program: An IO library for testing interactive command line programs (library, mit, program)
prof2dot program: Convert GHC profiles into GraphViz's dot format (bsd3, program)
prof2pretty programs: generate pretty source from time/allocation profiles (bsd3, program)
profiteur program: Treemap visualiser for GHC prof files (bsd3, program)
profunctor-extras library: This package has been absorbed into profunctors 4.0 (bsd3, library)
profunctors library: Profunctors (bsd3, library)
progress library: Simple progress tracking & projection library (bsd3, library)
progressbar library: Progressbar API (bsd3, deprecated, library)
progression library: Automates the recording and graphing of criterion benchmarks (bsd3, library)
progressive program: Multilabel classification model which learns sequentially (online). (bsd3, program)
proj4-hs-bindings library: Haskell bindings for the Proj4 C dynamic library. (gpl, library)
project-template library: Specify Haskell project templates and generate files (bsd3, library)
prolog library: A Prolog interpreter written in Haskell. (library, public-domain)
prolog-graph program: A command line tool to visualize query resolution in Prolog. (program, public-domain)
prolog-graph-lib library: Generating images of resolution trees for Prolog queries. (library, public-domain)
propane library: Functional synthesis of images and animations (bsd3, library)
properties library: check quickCheck properties in real time. (bsd3, library)
property-list library: Apple property list parser (library, public-domain)
proplang library: A library for functional GUI development (bsd3, library)
protobuf library: Google Protocol Buffers via GHC.Generics (bsd3, library)
protocol-buffers library: Parse Google Protocol Buffer specifications (bsd3, library)
protocol-buffers-descriptor library: Text.DescriptorProto.Options and code generated from the Google Protocol Buffer specification (bsd3, library)
prototype library: prototype-based programming on Haskell (bsd3, library)
proxy-kindness library: A library for kind-polymorphic manipulation and inspection of Proxy values (bsd3, library)
pseudomacros library: cpp-style built-in macros using Template Haskell (bsd3, library)
publicsuffixlist library: Is a given string a domain suffix? (bsd3, library)
publicsuffixlistcreate library: Create the publicsuffixlist package (bsd3, library)
pubsub library and programs: A library for Google/SixApart pubsub hub interaction (bsd3, library, program)
pugs-DrIFT library and program: DrIFT with pugs-specific rules. (bsd3, library, program)
pugs-HsSyck library: Fast, lightweight YAML loader and dumper (library)
pugs-compat library: Portable Haskell/POSIX layer for Pugs (library, public-domain)
pugs-hsregex library: Haskell PCRE binding (bsd3, library)
pulse-simple library: binding to Simple API of pulseaudio (bsd3, library)
punycode library: Encode unicode strings to ascii forms according to RFC 3492 (bsd3, library)
puppetresources program: A program that displays the puppet resources associated to a node given .pp files. (deprecated, gpl, program)
pure-cdb library: Another pure-haskell CDB (Constant Database) implementation (bsd3, library)
pure-fft library: Fast Fourier Transform (bsd3, library)
pure-io library: Pure IO monad. (bsd3, library)
pure-priority-queue library: A pure priority queue. (bsd3, library)
pure-priority-queue-tests program: Tests for the pure-priority-queue package (bsd3, program)
pureMD5 library: A Haskell-only implementation of the MD5 digest (hash) algorithm. (bsd3, crypto-api, cryptography, library)
purescript library and programs: PureScript Programming Language Compiler (library, mit, program)
push-notify library: A server-side library for sending push notifications. (library, mit)
push-notify-ccs library: A server-side library for sending/receiving push notifications through CCS (Google Cloud Messaging). (library, mit)
push-notify-general library: A general library for sending/receiving push notif. through dif. services. (library, mit)
pushme program: Tool to synchronize multiple directories with rsync, zfs or git-annex (bsd3, program)
putlenses library: Put-based lens library (bsd3, library)
pvd programs: A photo viewer daemon application with remote controlling abilities. (bsd3, photo, program)
pwstore-cli program: Command line interface for the pwstore library (gpl, program)
pwstore-fast library: Secure password storage. (bsd3, library)
pwstore-purehaskell library: Secure password storage, in pure Haskell. (bsd3, library)
pxsl-tools program: Parsimonious XML Shorthand Language--to-XML compiler (gpl, program)
python-pickle library and program: Serialization/deserialization using Python Pickle format. (bsd3, library, program)
qd library: double-double and quad-double number type via libqd (bsd3, library)
qd-vec library: 'Vec' instances for 'qd' types (bsd3, library)
qhull-simple library: Simple bindings to Qhull, a library for computing convex hulls (bsd3, library)
qrcode library: QR Code library in pure Haskell (bsd3, library)
quantum-arrow library: An embedding of quantum computation as a Haskell arrow (lgpl, library)
qudb program: Quite Useless DB (lgpl, program)
querystring-pickle library: Picklers for de/serialising Generic data types to and from query strings (library)
queue library: Abstraction typeclasses for queue-like things. (bsd3, library)
queuelike library: A library of queuelike data structures, both functional and stateful. (bsd3, library)
quick-generator library: Generator random test data for QuickCheck (bsd3, library)
quickcheck-assertions library: HUnit like assertions for QuickCheck (lgpl, library)
quickcheck-instances library: Common quickcheck instances (bsd3, library)
quickcheck-io library: Use HUnit assertions as QuickCheck properties (library, mit)
quickcheck-poly library: Automating QuickCheck for polymorphic and overlaoded properties (bsd3, library)
quickcheck-properties library: QuickCheck properties for standard type classes. (bsd3, library)
quickcheck-property-comb library: Combinators for Quickcheck Property construction and diagnostics (library, public-domain)
quickcheck-property-monad library: quickcheck-property-monad (bsd3, library)
quickcheck-rematch library: QuickCheck support for rematch (library, mit)
quickcheck-script program: Automated test tool for QuickCheck. (bsd3, program)
quicklz library: QuickLZ compression for ByteStrings (gpl, library)
quickset library: Very fast and memory-compact query-only set and map structures (bsd3, library)
quickspec library: Equational laws for free (bsd3, library)
quicktest program: A reflective batch tester for Haskell. (bsd3, program)
rabocsv2qif library and program: A library and program to create QIF files from Rabobank CSV exports. (gpl, library, program)
rad library: Reverse Automatic Differentiation. (bsd3, deprecated, library)
rainbow library: Print text to terminal with colors and effects (bsd3, library)
ralist library: Random access list with a list compatible interface. (bsd3, library)
rallod library: '$' in reverse. (bsd3, library)
rand-vars library: Random variable library, with Functor, Applicative and Monad instances. (bsd3, library)
randfile program: Program for picking a random file (bsd3, program)
random library: random number library (bsd3, library)
random-access-list library: Random-access lists in Haskell (bsd3, library)
random-extras library: Additional functions for random values. (bsd3, library)
random-fu library: Random number generation (public-domain)
random-shuffle library: Random shuffle implementation. (bsd3, library)
random-source library: Generic basis for random number generators (library, public-domain)
random-stream library: An infinite stream of random data (bsd3, library)
randomgen program: A fast, SMP parallel random data generator (bsd3, program)
randproc library: Data structures and support functions for working with random processes (bsd3, library)
randsolid program: Set the background of your root window to a random colour. (program, public-domain)
range library: This has a bunch of code for specifying and managing ranges in your code. (library, mit)
range-set-list library: Memory efficient sets with continuous ranges of elements. (library, mit)
range-space library: A Range type with vector-space instances (bsd3, library)
rangemin library: Linear range-min algorithms. (bsd3, library)
ranges library: Ranges and various functions on them. (bsd3, deprecated, library)
rank1dynamic library: Like Data.Dynamic/Data.Typeable but with support for rank-1 polymorphic types (bsd3, library)
rascal library and program: A command-line client for Reddit (library, mit, program)
rate-limit library: A basic library for rate-limiting IO actions. (bsd3, library)
ratio-int library: Fast specialisation of Data.Ratio for Int. (bsd3, library)
raven-haskell library: Haskell client for Sentry logging service. (library, mit)
raven-haskell-scotty library: Sentry http interface for Scotty web server. (library, mit)
raw-strings-qq library: Raw string literals for Haskell. (bsd3, library)
rbr programs: Mask nucleotide (EST) sequences in Fasta format (gpl, program)
rclient library: Haskell client for Rserve (bsd3, library)
rdf4h library and program: A library for RDF processing in Haskell (bsd3, library, program)
rdioh library and programs: A Haskell wrapper for Rdio's API. (library, mit, program)
rdtsc library: Binding for the rdtsc machine instruction (bsd3, library)
rdtsc-enolan library: Binding to sources of high-efficiency, high-precision, monotonically increasing relative time. (bsd3, library)
reaction-logic library and program: pluggable pure logic serializable reactor (bsd3, library, program)
reactive library: Push-pull functional reactive programming ()
reactive-bacon library: FRP (functional reactive programming) framework (bsd3, library)
reactive-balsa library: Programmatically edit MIDI events via ALSA and reactive-banana (bsd3, library)
reactive-banana library: Library for functional reactive programming (FRP). (bsd3, library)
reactive-banana-sdl library: Reactive Banana bindings for SDL (gpl, library)
reactive-banana-threepenny library: Examples for the reactive-banana library, using threepenny-gui. (bsd3, deprecated, library)
reactive-banana-wx library: Examples for the reactive-banana library, using wxHaskell. (bsd3, library)
reactive-fieldtrip library: Connect Reactive and FieldTrip (bsd3, library)
reactive-glut library: Connects Reactive and GLUT (bsd3, library)
reactive-io library: IO-oriented FRP library (deprecated, library, mit)
reactive-thread library and program: Reactive programming via imperative threads (bsd3, library, program)
reactor library: Reactor - task parallel reactive programming (bsd3, deprecated, library)
read-bounded library: Class for reading bounded values (bsd3, library)
readable library: Reading from Text and ByteString (bsd3, library)
readline library: An interface to the GNU readline library (gpl, library)
readline-statevar library: Readline with variables (setX/getY) wrapped in state vars (bsd3, library)
readpyc program: Read and pretty print Python bytecode (.pyc) files. (bsd3, program)
really-simple-xml-parser library: A really simple XML parser (library, public-domain)
recaptcha library: Functions for using the reCAPTCHA service in web applications. (bsd3, library)
records library: A flexible record system (bsd3, library)
records-th library: Template Haskell declarations for the records package (library, mit)
recursion-schemes library: Generalized bananas, lenses and barbed wire (bsd3, library)
recursive-line-count program: Count lines in files and display them hierarchically (bsd3, program)
redHandlers library: Monadic HTTP request handlers combinators to build a standalone web apps. (library)
redis library: A driver for Redis key-value database (library, mit)
redis-hs library: A simple Redis library for Haskell (library, mit)
redis-simple library: Simple redis bindings for Haskell (bsd3, library)
redo program: software build system, make replacement, implementation of djb's redo (program, public-domain)
reducers library: Semigroups, specialized containers and a general map/reduce framework (bsd3, library)
reenact library: A reimplementation of the Reactive library. (bsd3, library)
ref library: Generic Mutable Ref Abstraction Layer (bsd3, library)
ref-fd library: A type class for monads with references using functional dependencies. (bsd3, library)
ref-mtl library: A type class for monads with references compatible with the mtl2 library. (bsd3, library)
ref-tf library: A type class for monads with references using type families. (bsd3, library)
reference library: A class for references in Haskell (library, mit)
refh program: A command-line tool for pasting to https://www.refheap.com (mit, program)
reflection library: Reifies arbitrary terms into types that can be reflected back into terms (bsd3, library)
reflection-extras library: Utilities for the reflection package (bsd3, library)
reform library: reform is an HTML form generation and validation library (bsd3, library)
reform-blaze library: Add support for using blaze-html with Reform (bsd3, library)
reform-hamlet library: Add support for using Hamlet with Reform (bsd3, library)
reform-happstack library: Happstack support for reform. (bsd3, library)
reform-hsp library: Add support for using HSP with Reform (bsd3, library)
regex-applicative library: Regex-based parsing with applicative interface (library, mit)
regex-base library: Replaces/Enhances Text.Regex (bsd3, library)
regex-compat library: Replaces/Enhances Text.Regex (bsd3, library)
regex-compat-tdfa library: Unicode Support version of Text.Regex, using regex-tdfa (bsd3, library)
regex-deriv library: Replaces/Enhances Text.Regex. Implementing regular expression matching using Brzozowski's Deriviatives (bsd3, library)
regex-dfa library: Replaces/Enhances Text.Regex (bsd3, library)
regex-easy library: sugar for regex-pcre (bsd3, library)
regex-genex library and program: From a regex, generate all possible strings it can match (library, program)
regex-parsec library: Replaces/Enhances Text.Regex (bsd3, library)
regex-pcre library: Replaces/Enhances Text.Regex (bsd3, library)
regex-pcre-builtin library: Replaces/Enhances Text.Regex (bsd3, library)
regex-pderiv library: Replaces/Enhances Text.Regex. Implementing regular expression matching using Antimirov's partial derivatives. (bsd3, library)
regex-posix library: Replaces/Enhances Text.Regex (bsd3, library)
regex-posix-unittest program: Unit tests for the plaform's Posix regex library (bsd3, program)
regex-tdfa library: Replaces/Enhances Text.Regex (bsd3, library)
regex-tdfa-rc library: Replaces/Enhances Text.Regex (bsd3, deprecated, library)
regex-tdfa-text library: Text interface for regex-tdfa (bsd3, library)
regex-tdfa-unittest program: Unit tests for the regex-tdfa (bsd3, program)
regex-tdfa-utf8 library: This combines regex-tdfa with utf8-string to allow searching over UTF8 encoded lazy bytestrings. (bsd3, library)
regex-tre library: Replaces/Enhances Text.Regex (bsd3, library)
regex-xmlschema library: A regular expression library for W3C XML Schema regular expressions (bsd3, library)
regexchar library and program: A POSIX, extended regex-engine. (gpl, library, program)
regexdot library: A polymorphic, POSIX, extended regex-engine. (gpl, library)
regexp-tries library: Regular Expressions on Tries. (bsd3, library)
regexpr library: regular expression like Perl/Ruby in Haskell (lgpl, library)
regexpr-symbolic library: Regular expressions via symbolic manipulation (bsd3, library)
regexqq library: A quasiquoter for PCRE regexes. (bsd3, library)
regional-pointers library: Regional memory pointers (bsd3, library)
regions library: Provides the region monad for safely opening and working with scarce resources. (bsd3, library)
regions-monadsfd library: Monads-fd instances for the RegionT monad transformer (bsd3, deprecated, library)
regions-monadstf library: Monads-tf instances for the RegionT monad transformer (bsd3, library)
regions-mtl library: mtl instances for the RegionT monad transformer (bsd3, library)
regular library: Generic programming library for regular datatypes. (bsd3, library)
regular-extras library: Additional functions for regular: arbitrary, coarbitrary, and binary get/put. (bsd3, library)
regular-web library: Generic programming for the web (bsd3, library)
regular-xmlpickler library: Generic generation of HXT XmlPickler instances using Regular. (bsd3, library)
rehoo program: Rebuild default.hoo from many .hoo files in the current directory (bsd3, program)
reified-records library: Reify records to Maps and back again (library, mit)
reify library and program: Serialize data (gpl, library, program)
relacion library: A relation data structure. (bsd3, library)
relation library: A data structure representing Relations on Sets. (bsd3, library)
relative-date library: Durations and generalized time parsing (bsd3, library)
relit library: Literal for regular expression (bsd3, library)
rematch library: A simple api for matchers (library, mit)
rematch-text library: `rematch` matchers for Data.Text (library, mit)
remote library: Cloud Haskell (bsd3, deprecated, library)
reord library: Ad-hoc Ord instances (library, public-domain)
reorderable library: Define compound types that do not depend on member order. (library)
repa library: High performance, regular, shape polymorphic parallel arrays. (bsd3, library)
repa-algorithms library: Algorithms using the Repa array library. (bsd3, library)
repa-bytestring library: (deprecated) (bsd3, library)
repa-devil library: Support for image reading and writing of Repa arrays using in-place FFI calls (bsd3, library)
repa-examples programs: Examples using the Repa array library. (bsd3, program)
repa-fftw library: Perform fft with repa via FFTW (bsd3, library)
repa-io library: Read and write Repa arrays in various formats. (bsd3, library)
repa-plugin library: Data Flow Fusion GHC Plugin. (bsd3, library)
repa-series library: Series Expressionss API (bsd3, library)
repa-sndfile library: Reading and writing sound files with repa arrays (bsd3, library)
repa-v4l2 library and program: Provides high-level access to webcams. (lgpl, library, program)
repl library: IRC friendly REPL library. (library, mit)
repr library: Render overloaded expressions to their textual representation. (bsd3, library)
repr-tree-syb library: Tree representation and pretty-printing of data structures based on SYB (library, mit)
representable-functors library: Representable functors (bsd3, deprecated, library)
representable-profunctors library: This package has been absorbed into profunctor-extras. (bsd3, deprecated, library)
representable-tries library: Tries from representations of polynomial functors (bsd3, library)
resource-effect library: A port of the package 'resourcet' for extensible effects. (bsd3, library)
resource-pool library: A high-performance striped resource pooling implementation (bsd3, library)
resource-pool-catchio library: Fork of resource-pool, with a MonadCatchIO constraint (bsd3, library)
resource-simple library: Allocate resources which are guaranteed to be released. (bsd3, library)
resourcet library: Deterministic allocation and freeing of scarce resources. (bsd3, library)
restful-snap library: (bsd3, library)
restricted-workers library: Running worker processes under system resource restrictions (bsd3, library)
restyle library and program: Convert between camel case and separated words style. (library, mit, program)
resumable-exceptions library: A monad transformer for resumable exceptions (library)
rethinkdb library: RethinkDB driver for Haskell (library)
retry library: Retry combinators for monadic actions that may fail (bsd3, library)
rev-state library: Reverse State monad transformer (bsd3, library)
revdectime program: A French revolutionary decimal time (metric) clock (gpl, program)
reverse-apply library: Standard version of the reverse apply operator. (bsd3, library)
reversi program: Text-only reversi (aka othelo) game (lgpl, program)
rewrite program: open file and rewrite it with new contents (bsd3, program)
rewriting library: Generic rewriting library for regular datatypes. (bsd3, library)
rex library: A quasi-quoter for typeful results of regex captures. (bsd3, library)
rezoom program: Github resume generator (deprecated, gpl, program)
rfc3339 library: Parse and display time according to RFC3339 (bsd3, library)
rfc5051 library: Simple unicode collation as per RFC5051. (bsd3, library)
riak library: A Haskell client for the Riak decentralized data store (library)
riak-protobuf library: Haskell types for the Riak protocol buffer API (library)
richreports library: Integrated pretty-printing and error/static analysis reporting. (gpl, library)
riot program: Riot is an Information Organisation Tool (gpl, program)
ripple library: Ripple payment system library (library)
risc386 program: Reduced instruction set i386 simulator (bsd3, program)
rivers library: Rivers are like Streams, but different. (bsd3, library)
rmonad library: Restricted monad library (bsd3, library)
robot library: Simulate keyboard and mouse events (library)
robots-txt library: Parser for robots.txt (bsd3, library)
roguestar program: Sci-fi roguelike game. Client application. (program)
roguestar-engine program: Sci-fi roguelike game. Backend. (program)
roguestar-gl library: Sci-fi roguelike game. Client library. (library)
roguestar-glut program: Sci-fi roguelike game. GLUT front-end. (program)
rollbar library: error tracking through rollbar.com (library, mit)
rolling-queue library: Bounded channel for STM that discards old entries when full (bsd3, library)
roman-numerals library: Parsing and pretty printing of Roman numerals (bsd3, library)
roots library: Root-finding algorithms (1-dimensional) (library, public-domain)
rope library: Tools for manipulating fingertrees of bytestrings with optional annotations (bsd3, library)
rosezipper library: Generic zipper implementation for Data.Tree (bsd3, library)
rosso library: General purpose utility library (bsd3, library)
rotating-log library: (bsd3, library)
rounding library: Explicit floating point rounding mode wrappers (bsd3, deprecated, library)
roundtrip library: Bidirectional (de-)serialization (bsd3, library)
roundtrip-string library: Bidirectional (de-)serialization (bsd3, library)
roundtrip-xml library: Bidirectional (de-)serialization for XML. (bsd3, library)
route-generator program: Utility to generate routes for use with yesod-routes (program)
rowrecord library: Build records from lists of strings, as from CSV files. (bsd3, library)
rpc library: type safe rpcs provided as basic IO actions (bsd3, library)
rpc-framework library and program: a remote procedure call framework (bsd3, library, program)
rpf program: Receiver Policy Framework (bsd3, program)
rpm library: Cozy little project to question unruly rpm packages. (bsd3, library)
rsagl library: The RogueStar Animation and Graphics Library (bsd3, library)
rsagl-frp library: The RogueStar Animation and Graphics Library: Functional Reactive Programming (bsd3, library)
rsagl-math library: The RogueStar Animation and Graphics Library: Mathematics (bsd3, library)
rss library: A library for generating RSS 2.0 feeds. (library, public-domain)
rss2irc program: watches an RSS/Atom feed and writes it to an IRC channel (bsd3, program)
ruby-qq library: rubyish quasiquoters (library, mit)
ruff library: relatively useful fractal functions (bsd3, library)
ruler program: Ruler tool for UHC (bsd3, program)
ruler-core program: (lgpl, program)
rungekutta library: A collection of explicit Runge-Kutta methods of various orders (bsd3, library)
runghc program: runghc replacement for fast repeated runs (gpl, program)
runmemo library: A simple memoization helper library (bsd3, library)
rvar library: Random Variables (library, public-domain)
rwlock library: Multiple-read / single-write locks (library, public-domain)
rws program: Packet Generation (bsd3, program)
safe library: Library for safe (pattern match free) functions (bsd3, library)
safe-failure library: Library for safe functions (bsd3, library)
safe-failure-cme library: control-monad-exception Instances for safe-failure (library, public-domain)
safe-freeze library: Support for safely freezing multiple arrays in the ST monad. (bsd3, library)
safe-globals library: Safe top-level mutable variables which scope like ordinary values (bsd3, library)
safe-lazy-io library: A library providing safe lazy IO features. (bsd3, library)
safe-plugins library: A small wrapper over hs-plugins to allow loading safe plugins (bsd3, library)
safecopy library: Binary serialization with version control. (library, public-domain)
safeint library: overflow-checked Int type (bsd3, library)
safer-file-handles library: Type-safe file handling (bsd3, library)
safer-file-handles-bytestring library: Extends safer-file-handles with ByteString operations (bsd3, library)
safer-file-handles-text library: Extends safer-file-handles with Text operations (bsd3, library)
saltine library: Cryptography that's easy to digest (NaCl/libsodium bindings). (library, mit)
salvia library: Modular web application framework. (bsd3, library)
salvia-demo library and programs: Demo Salvia servers. (bsd3, library, program)
salvia-extras library: Collection of non-fundamental handlers for the Salvia web server. (bsd3, library)
salvia-protocol library: Salvia webserver protocol suite supporting URI, HTTP, Cookie and MIME. (bsd3, library)
salvia-sessions library: Session support for the Salvia webserver. (bsd3, library)
salvia-websocket library: Websocket implementation for the Salvia Webserver. (bsd3, library)
sample-frame library: Handling of samples in an (audio) signal (bsd3, library)
sample-frame-np library: Orphan instances for types from sample-frame and numericprelude (bsd3, library)
samtools library: Binding to the C samtools library (library, mit)
samtools-enumerator library: Enumerator interface to SamTools library (library, mit)
samtools-iteratee library: Iteratee interface to SamTools library (library, mit)
sandi library: Data encoding library (bsd3, library)
sandlib library: SAND data serialization and manipulation library (bsd3, library)
sarasvati library: audio library. (bsd3, library)
sat programs: CNF SATisfier (gpl, program)
sat-micro-hs program: A minimal SAT solver (lgpl, program)
satchmo library: SAT encoding monad (gpl, library)
satchmo-backends library: driver for external satchmo backends (gpl, library)
satchmo-examples programs: examples that show how to use satchmo (gpl, program)
satchmo-funsat library: funsat driver as backend for satchmo (gpl, library)
satchmo-minisat library: minisat driver as backend for satchmo (gpl, library)
sbv library and program: SMT Based Verification: Symbolic Haskell theorem prover using SMT solving. (bsd3, library, program)
sc3-rdu library: Haskell bindings to sc3-rdu (sc3 rd ugens) (gpl, library)
scalable-server library: Library for writing fast/scalable TCP-based services (bsd3, library)
scaleimage program: Scale an image to a new geometry (bsd3, program)
scan program: lexical style suggestions for source code (bsd3, program)
scan-vector-machine library: An implementation of the Scan Vector Machine instruction set in Haskell (bsd3, library)
scat program: Generates unique passwords for various websites from a single password. (bsd3, program)
scc library and program: Streaming component combinators (gpl, library, program)
scenegraph library: Scene Graph (bsd3, library)
scgi library: A Haskell library for writing SCGI programs. (bsd3, deprecated, library)
schedyield library: Exposes standard POSIX function sched_yield. (bsd3, library)
schonfinkeling library: Transformation of n-ary functions to unary functions (bsd3, library)
science-constants library: Mathematical/physical/chemical constants (library)
scientific library: Arbitrary-precision floating-point numbers represented using scientific notation (bsd3, library)
scion library: Haskell IDE library (bsd3, library)
scion-browser library and program: Command-line interface for browsing and searching packages documentation (bsd3, library, program)
scons2dot program: Generates graphviz file of scons dependency information (gpl, program)
scope library: An interactive renderer for plotting time-series data (bsd3, library)
scope-cairo library and program: An interactive renderer for plotting time-series data (bsd3, library, program)
scottish library: scotty with batteries included (bsd3, library)
scotty library: Haskell web framework inspired by Ruby's Sinatra, using WAI and Warp (bsd3, library)
scotty-blaze library: blaze-html integration for Scotty (deprecated, library, mit)
scotty-fay library: Fay integration for Scotty. (library, mit)
scotty-hastache library: Easy Mustache templating support for Scotty (bsd3, library)
scotty-session library: Adding session functionality to scotty (bsd3, deprecated, library)
scotty-tls library: TLS for Scotty (bsd3, library)
scp-streams library and programs: An SCP protocol implementation. (bsd3, library, program)
scrabble-bot program: Scrabble play generation. (bsd3, program)
scrobble library and program: Scrobbling server. (bsd3, library, program)
scrypt library: Stronger password hashing via sequential memory-hard functions. (bsd3, library)
scrz program: Process management and supervision daemon (program)
scyther-proof program: Automatic generation of Isabelle/HOL correctness proofs for security protocols. (gpl, program)
sde-solver library: Distributed SDE solver (bsd3, library)
sdl2 library: Bindings to SDL2 (bsd3, library)
sdl2-image library: Haskell binding to sdl2-image. (library, mit)
seal-module library: Template Haskell support for global configuration data (bsd3, library)
sec library: Semantic Editor Combinators. (bsd3, library)
secdh library and program: SECDH Machine Simulator (bsd3, library, program)
seclib library: A lightweight library for Information-flow security in Haskell (bsd3, library)
secret-santa program: Secret Santa game assigner using QR-Codes (gpl, program)
secrm program: Example of writing "secure" file removal in Haskell rather than C. (program, public-domain)
secure-sockets library: Secure point-to-point connectivity library (bsd3, library)
securemem library: abstraction to an auto scrubbing and const time eq, memory chunk. (bsd3, crypto-platform, library)
sednaDBXML library: Sedna C API XML Binding (gpl, library)
select library: Wrap the select(2) POSIX function (bsd3, library)
selectors library: CSS Selectors for DOM traversal (bsd3, library)
selenium library: Test web applications through a browser. (bsd3, library)
selenium-server library: Run the selenium standalone server for usage with webdriver (library, mit)
selfrestart library: Restarts the current executable (on binary change) (library, mit)
selinux library: SELinux bindings (bsd3, library)
semaphore-plus library: Various concurrency abstractions built on top of semaphores (bsd3, library)
semigroupoid-extras library: This package has been absorbed into semigroupoids 4.0 (bsd3, deprecated, library)
semigroupoids library: Semigroupoids: Category sans id (bsd3, library)
semigroups library: Anything that associates (bsd3, library)
semigroups-actions library: Semigroups actions (bsd3, library)
semiring library: Semirings, ring-like structures used for dynamic programming applications (bsd3)
sendfile library: A portable sendfile library (bsd3, library)
sentry library and programs: Process monitoring tool written and configured in Haskell (bsd3, library, program)
separated library: A data type with elements separated by values (bsd3, library)
seqloc library: Handle sequence locations for bioinformatics (library, mit)
seqloc-datafiles library and programs: Read and write BED and GTF format genome annotations (library, mit, program)
sequential-index library: Sequential numbers that allow arbitrarily inserting numbers - for containers (bsd3, library)
sequor programs: A sequence labeler based on Collins's sequence perceptron. (bsd3, program)
serf library: Interact with Serf via Haskell. (library, mit)
serial library: POSIX serial port wrapper (lgpl, library)
serialport library: Cross platform serial port library. (bsd3, library)
servius program: Serve Shakespearean templates via Warp (mit, program)
sessions library: Session Types for Haskell (gpl, library)
set-cover library: Solve exact set cover problems like Sudoku, 8 Queens, Soma Cube, Tetris Cube (bsd3, library)
set-extra library: Functions that could be added to Data.Set. (bsd3, library)
set-monad library: Set monad (bsd3, library)
setenv library: A cross-platform library for setting environment variables (library, mit)
setlocale library: A Haskell interface to setlocale() (library, public-domain)
setops library: Uniform names (and Unicode operators) for set operations on data structures. (library, public-domain)
setters library: Small (TH) library to declare setters for typical `record' data type fields. (bsd3, library)
sexp library and program: S-Expression parsing/printing made fun and easy (gpl, library, program)
sexp-show program: Produce a s-expression representation of Show values. (bsd3, deprecated, program)
sexpr library: S-expression printer and parser (bsd3, library)
sfml-audio library: minimal bindings to the audio module of sfml (library)
sgd library: Stochastic gradient descent (bsd3, library)
sgf library: SGF (Smart Game Format) parser (bsd3, library)
sgrep program: Sgrep - grep Fasta files for sequences matching a regular expression (gpl, program)
sha-streams library and program: SHA hashes for io-streams. (bsd3, library, program)
shady-gen library: Functional GPU programming - DSEL & compiler (library)
shady-graphics library: Functional GPU programming - DSEL & compiler (library)
shake library and program: Build system library, like Make, but more accurate dependencies. (bsd3, library, program)
shake-extras library: Extra utilities for shake build systems (bsd3, library)
shaker library and program: simple and interactive command-line build tool (bsd3, library, program)
shakespeare library: A toolkit for making compile-time interpolated templates (library, mit)
shakespeare-css library: Stick your haskell variables into css at compile time. (library, mit)
shakespeare-i18n library: A type-based approach to internationalization. (library, mit)
shakespeare-js library: Stick your haskell variables into javascript/coffeescript at compile time. (library, mit)
shakespeare-text library: Interpolation with quasi-quotation: put variables strings (library, mit)
shana library: treat haskell functions as unix pipes (bsd3, library)
shapefile library: Parser and related tools for ESRI shapefile format (library, public-domain)
shapely-data library: Generics using @(,)@ and @Either@, with algebraic operations and typed conversions (bsd3, library)
shared-buffer library: A circular buffer built on shared memory (bsd3, library)
sharedio library: Bundles shared calls to IO functions to perform them only once (library, mit)
she library and program: A Haskell preprocessor adding miscellaneous features (library, program, public-domain)
shell-escape library: Shell escaping library. (bsd3, library)
shell-pipe library and programs: Pipe streams through external shell commands (gpl, library, program)
shellish library: shell-/perl- like (systems) programming in Haskell (bsd3, library)
shellmate library: Simple interface for shell scripting in Haskell. (bsd3, library)
shelltestrunner program: A tool for testing command-line programs. (gpl, program)
shelly library: shell-like (systems) programming in Haskell (bsd3, library)
shelly-extra library: shelly features that require extra dependencies (bsd3, library)
shivers-cfg library: Implementation of Shivers' Control-Flow Analysis (bsd3, library)
shoap library: A very basic SOAP package (bsd3, library)
shortcircuit library: Short-circuit values and expressions. (bsd3, library)
shorten-strings library: Shorten a variety of string-like types adding ellipsis (bsd3, library)
show library: 'Show' instances for Lambdabot (gpl, library)
showdown program: A simple gtk based Russian Roulette game. (bsd3, program)
shpider library: Web automation library in Haskell. (bsd3, library)
shplit program: A Haskell pattern splitter with emacs attachments (program, public-domain)
shqq library: Embed shell commands with interpolated Haskell variables, and capture output (bsd3, library)
shuffle library and program: Shuffle tool for UHC (bsd3, library, program)
sieve library: Sieve is an implementation of the Sieve abstract data type. (gpl, library)
sifflet program: A simple, visual, functional programming language. (bsd3, program)
sifflet-lib library: Library of modules shared by sifflet and its tests and its exporters. (bsd3, library)
sign library: Arithmetic over signs and sets of signs (bsd3, library)
signed-multiset library: Multisets with negative membership. (bsd3, library)
silently library: Prevent or capture writing to stdout and other handles. (bsd3, library)
simgi program: stochastic simulation engine (gpl, program)
simple library and program: A minimalist web framework for the WAI server interface (lgpl, library, program)
simple-actors library: A library for more structured concurrent programming, based on the Actor Model (bsd3, library)
simple-atom library: Atom (or symbol) datatype for fast comparision and sorting. (bsd3, library)
simple-bluetooth library: Simple Bluetooth API for Windows and Linux (bluez) (bsd3, library)
simple-c-value library: A simple C value type (bsd3, library)
simple-config library: Simple config file parser generator (bsd3, library)
simple-css library: simple binding of css and html (bsd3, library)
simple-firewire library: Simplified interface for firewire cameras (bsd3, library)
simple-form library: Forms that configure themselves based on type (library)
simple-index library: Allows simple indexation on any data type (bsd3, library)
simple-log library: Simple log for Haskell (bsd3, library)
simple-log-syslog library: Syslog backend for simple-log (bsd3, library)
simple-observer library: The Observer pattern (bsd3, library)
simple-pascal library and program: Simplified Pascal language to SSVM compiler (bsd3, library, program)
simple-postgresql-orm library: Connector package for integrating postgresql-orm with the Simple web framework (lgpl, library)
simple-reflect library: Simple reflection of expressions containing variables (bsd3, library)
simple-rope library: Memory-efficient strings with concatenation and splitting. (bsd3, library)
simple-sendfile library: Cross platform library for the sendfile system call (bsd3, library)
simple-server library: Simple Server interface (gpl, library)
simple-session library: Cookie-based session management for the Simple web framework (lgpl, library)
simple-sessions library: A simple implementation of session types (bsd3, library)
simple-sql-parser library: A parser for SQL queries (bsd3, library)
simple-stacked-vm library and program: Simple stacked virtual machine: assembler, disassembler, bytecode interpreter (bsd3, library, program)
simple-tabular library: Simple tabular-text formatter (library, mit)
simple-templates library: A basic template language for the Simple web framework (lgpl, library)
simple-vec3 library: Three-dimensional vectors of doubles with basic operations (bsd3, library)
simpleargs library: Provides a more flexible getArgs function with better error reporting. (lgpl, library)
simpleirc library: Simple IRC Library (bsd3, library)
simplenote library: Haskell interface for the simplenote API. (bsd3, library)
simpleprelude library and programs: A simplified Haskell prelude for teaching (bsd3, library, program)
simplesmtpclient library: Very simple SMTP Client (bsd3, deprecated, library)
simplessh library: Simple wrapper around libssh2 (library, mit)
simplex program: A simple markup language that translates to LaTeX (gpl, latex, program)
simseq program: Simulate sequencing with different models for priming and errors (gpl, program)
sindre library and program: A programming language for simple GUIs (bsd3, library, program)
singletons library: A framework for generating singleton types (bsd3, library)
sink library: An alternative to lazy I/O that doesn't conflate execution with evaluation (library, mit)
siphash library: siphash: a fast short input PRF (bsd3, crypto-platform, cryptography, library, siphash)
sirkel library: Sirkel, a Chord DHT (bsd3, library)
sized-types library: Sized types in Haskell. (bsd3, library)
sized-vector library: Size-parameterized vector types and functions. (bsd3, library)
sizes program: Recursively show space (size and i-nodes) used in subdirectories (bsd3, program)
skein library: Skein, a family of cryptographic hash functions. Includes Skein-MAC as well. (bsd3, library)
skypelogexport program: Export Skype chat logs to text files (bsd3, program)
slice-cpp-gen program: Generate C++ skeletons from slice files (bsd3, program)
slidemews program: ws convert markdown to reveal-js (gpl, program)
sloane program: A command line interface to Sloane's On-Line Encyclopedia of Integer Sequences (bsd3, program)
sloth library: Testing for minimal strictness (bsd3, library)
smallarray library: low-level unboxed arrays, with minimal features. (bsd3, library)
smallcaps library and program: Flatten camel case text in LaTeX files (bsd3, library, program)
smallcheck library: A property-based testing library (bsd3, library)
smallpt-hs program: A Haskell port of the smallpt path tracer. (bsd3, program)
smallstring library: A Unicode text type, optimized for low memory overhead (bsd3, library)
smartGroup library: group strings or bytestrings by words in common (bsd3, library)
smartcheck library and program: A smarter QuickCheck. (bsd3, library, program)
smartword programs: Web based flash card for Word Smart I and II vocabularies (bsd3, program)
sme library: A library for Secure Multi-Execution in Haskell (bsd3, library)
smt-lib library: Parsing and printing SMT-LIB. (bsd3, library)
smtLib library: A library for working with the SMTLIB format. (bsd3, library)
smtp-mail library: Simple email sending via SMTP (bsd3, library)
smtp2mta program: Listen for SMTP traffic and send it to an MTA script (program)
smtps-gmail library and program: Gmail API (bsd3, library, program)
snake-game library: Snake Game Using OpenGL (bsd3, library)
snap library and program: Top-level package for the Snap Web Framework (bsd3, library, program)
snap-accept library: Accept header branching for the Snap web framework (library, mit)
snap-app library: Simple modules for writing apps with Snap, abstracted from hpaste. (bsd3, library)
snap-auth-cli program: Command-line tool to manage Snap AuthManager database (bsd3, program)
snap-blaze library: blaze-html integration for Snap (bsd3, library)
snap-blaze-clay library: blaze-html-clay integration for Snap (bsd3, library)
snap-core library: Snap: A Haskell Web Framework (core interfaces and types) (bsd3, library)
snap-cors library and program: Add CORS headers to Snap applications (bsd3, library, program)
snap-elm library: Serve Elm files through the Snap web framework. (bsd3, library)
snap-extras library: A collection of useful helpers and utilities for Snap web applications. (bsd3, library)
snap-loader-dynamic library: Snap: A Haskell Web Framework: dynamic loader (bsd3, library)
snap-loader-static library: Snap: A Haskell Web Framework: static loader (bsd3, library)
snap-predicates library: Declarative routing for Snap. (library)
snap-server library: A fast, iteratee-based, epoll-enabled web server for the Snap Framework (bsd3, library)
snap-testing library: A library for BDD-style testing with the Snap Web Framework (bsd3, library)
snap-utils library: Snap Framework utilities. (bsd3, library)
snaplet-acid-state library: acid-state snaplet for Snap Framework (bsd3, library)
snaplet-actionlog library: Generic action log snaplet for the Snap Framework (bsd3, library)
snaplet-auth-acid library: Provides an Acid-State backend for the Auth Snaplet (bsd3, library)
snaplet-coffee library: CoffeeScript for Snap, auto-compilation and pre-compilation. (gpl, library)
snaplet-css-min library: A Snaplet for CSS minification (library, mit)
snaplet-environments library: DEPRECATED! You should use standard Snap >= 0.9 "environments" functionality. It provided ability to easly read configuration based on given app environment given at command line, envs are defined in app configuration file (bsd3, library)
snaplet-fay library: Fay integration for Snap with request- and pre-compilation. (bsd3, library)
snaplet-hdbc library: HDBC snaplet for Snap Framework (bsd3, library)
snaplet-i18n library: snaplet-i18n (bsd3, library)
snaplet-mongoDB library: Snap Framework MongoDB support as Snaplet (bsd3, library)
snaplet-mongodb-minimalistic library: Minimalistic MongoDB Snaplet. (bsd3, library)
snaplet-mysql-simple library: mysql-simple snaplet for the Snap Framework (bsd3, library)
snaplet-oauth library: snaplet-oauth (bsd3, library)
snaplet-persistent library: persistent snaplet for the Snap Framework (bsd3, library)
snaplet-postgresql-simple library: postgresql-simple snaplet for the Snap Framework (bsd3, library)
snaplet-postmark library: Postmark snaplet for the Snap Framework (bsd3, library)
snaplet-recaptcha library and program: A ReCAPTCHA verification snaplet with connection sharing. (bsd3, library, program)
snaplet-redis library: Redis support for Snap Framework (bsd3, library)
snaplet-redson library: CRUD for JSON data with Redis storage (bsd3, library)
snaplet-rest library: REST resources for the Snap web framework (library, mit)
snaplet-riak library: A Snaplet for the Riak database (library, mit)
snaplet-sedna library: Snaplet for Sedna Bindings. Essentailly a rip of snaplet-hdbc. (gpl, library)
snaplet-sqlite-simple library: sqlite-simple snaplet for the Snap Framework (bsd3, library)
snaplet-stripe library: Stripe snaplet for the Snap Framework (bsd3, library)
snaplet-tasks library: Snaplet for Snap Framework enabling developers to administrative tasks akin to Rake tasks from Ruby On Rails framework. (bsd3, library)
snaplet-typed-sessions library: Typed session snaplets and continuation-based programming for the Snap web framework (bsd3, library)
snappy library: Bindings to the Google Snappy library for fast compression/decompression (bsd3, library)
snappy-framing library: Snappy Framing Format in Haskell (library)
snappy-iteratee library: An enumeratee that uses Google's snappy compression library. (bsd3, library)
sndfile-enumerators library: Audio file reading/writing (bsd3, library)
snippet-extractor program: Extracts labeled snippets of code to files. (bsd3, program)
snm library and program: The Simple Nice-Looking Manual Generator. (gpl, library, program)
snow-white library: encode any binary instance to white space (bsd3, library)
snowball library: Bindings to the Snowball library. (bsd3, library)
snowglobe program: randomized fractal snowflakes demo (gpl, program)
soap library: SOAP client tools (library, mit)
soap-openssl library: TLS-enabled SOAP transport (using openssl bindings) (library, mit)
soap-tls library: TLS-enabled SOAP transport (using tls package) (library, mit)
sock2stream program: Tunnel a socket over a single datastream (stdin/stdout) (program)
sockaddr library: Printing SockAddr (bsd3, library)
socket-activation library: systemd socket activation library (bsd3, library)
socketio library: Socket.IO server (library, mit)
socks library: Socks proxy (version 5) implementation. (bsd3, library)
sodium library: Sodium Reactive Programming (FRP) System (bsd3, library)
soegtk library: GUI functions as used in the book "The Haskell School of Expression". (lgpl, library)
som library: Self-Organising Maps (bsd3, library)
sonic-visualiser library and program: Sonic Visualiser (gpl, library, program)
sophia library: Bindings to Sophia library (bsd3, library)
sort-by-pinyin library: Sort simplified Chinese by PinYin (bsd3, library)
sorted library: Efficient, type-safe sorted sequences (library, mit)
sorty program: Sort lines per file size (bsd3, program)
source-code-server program: The server backend for the source code iPhone app (bsd3, program)
sourcemap library: Implementation of source maps as proposed by Google and Mozilla. (bsd3, library)
sousit library: Source/Sink/Transform: An alternative to lazy IO and iteratees. (bsd3, library)
sox library: Play, write, read, convert audio signals using Sox (gpl, library)
soxlib library: Write, read, convert audio signals using libsox (bsd3, library)
soyuz library and program: DCPU-16 architecture utilities for Notch's 0x10c game. (library, mit, program)
spacepart library: Space partition data structures. Currently only a QuadTree. (bsd3, library)
sparse library: A playground of sparse linear algebra primitives using Morton ordering (bsd3, library)
sparse-lin-alg library: Effective linear algebra on sparse matrices (bsd3, library)
sparsebit library: Sparse bitmaps for pattern match coverage (bsd3, library)
sparsecheck library: A Logic Programming Library for Test-Data Generation (bsd3, library)
sparser library: Lightweight parsing library based on partial functions. (bsd3, library)
spata library: brainless form validation (bsd3, library)
spatial-math library: 3d math including quaternions/euler angles/dcms and utility functions (bsd3, library)
spawn library: Tiny library for concurrent computations (bsd3, library)
special-functors library: Control.Applicative, Data.Foldable, Data.Traversable (compatibility package) (bsd3, library)
special-keys library: Simple data types that help me here and there. (bsd3, library)
specialize-th library: Create specialized types from polymorphic ones using TH (bsd3, library)
species library: Computational combinatorial species (bsd3, library)
speculation library: A framework for safe, programmable, speculative parallelism (bsd3, library)
speculation-transformers library: Merged into 'speculation'. Use that instead. (bsd3, library)
spelling-suggest library and programs: Spelling suggestion tool with library and command-line interfaces. (bsd3, library, program)
sphero library: Orbotix Sphero client library (bsd3, library)
sphinx library: Haskell bindings to the Sphinx full-text searching daemon. (bsd3, library)
sphinx-cli program: Sphinx CLI and demo of Haskell Sphinx library (bsd3, program)
spike program: Experimental web browser (bsd3, program)
spine library: Simple implementation of the generic spine view (bsd3, library)
splaytree library: Provides an annotated splay tree (bsd3, library)
splice library: Cross-platform Socket to Socket Data Splicing (bsd3, library)
splines library: B-Splines, other splines, and NURBS. (library, public-domain)
split library: Combinator library for splitting lists. (bsd3, library)
split-channel library: Control.Concurrent.Chan split into sending and receiving halves. (library, mit)
split-record program: Split a big audio file into pieces at positions of silence (bsd3, program)
split-tchan library: STM's TChan split into sending and receiving halves. (bsd3, library)
splitter program: Use numerical ranges to split out certain lines from a file. (mit, program)
splot program: A tool for visualizing the lifecycle of many concurrent multi-staged processes. (bsd3, program)
spool library: Convert between ByteString and Vector.Storable without copying (bsd3, library)
spoon library: Catch errors thrown from pure computations. (bsd3, library)
spoonutil library and program: Spoon's utilities. Simple testing and nice looking error reporting. (gpl, library, program)
spreadsheet library: Read and write spreadsheets from and to CSV files in a lazy way (bsd3, library)
spsa library: Simultaneous Perturbation Stochastic Approximation Optimization Algorithm (library, mit)
spy program: A compact file system watcher for Mac OS X, Linux and Windows (bsd3, program)
sqlite library: Haskell binding to sqlite3 (bsd3, library)
sqlite-simple library: Mid-Level SQLite client library (bsd3, library)
sqlvalue-list library: Class and instances for conversion to list of SqlValue. (bsd3, library)
squeeze program: A file-packing application. (gpl, program)
srcinst program: Build and install Debian packages completely from source (gpl,