A replacement for System.Exit and System.Process

Watch some files; Rerun a command

A library for expressing spreadsheet-like computations as the fixed-points of comonads

A generalization for containers that can be stripped of Nothing

Cluster algorithms, PCA, and chemical conformere analysis

A Cached variable for IO functions

Concurrent utilities

Mix concurrent and sequential computation

Information retrieval library

Configuration file reading & writing

Template haskell for reading ConfigFiles

Parse config files

Declare types as Configurable then specialize them all in one place

Trivial re-export of Wouter Swierstra's Stream package, avoiding module name clash

Restart a command on STDIN activity

Simple CLI user input library

Repackages standard type classes with the ConstraintKinds extension

A monad and monad transformer for consuming streams

Control.Arrow.Transformer.Cont

Implementation of the context algebra

Practical typed lazy contracts

A parallel producer/consumer engine (thread pool)

A Library for Writing Multi-Pass Algorithms

A variation on the ST monad with two type parameters

A GHC plugin for printing GHC's internal Core data structures

Manipulating Core Erlang source code

Bindings to Mac OSX's CoreFoundation framework

Type-safe coroutines using lightweight session types

CouchDB interface

Code for Haskell: the Craft of Functional Programming, 3rd ed

Common Cryptographic Algorithms in Pure Haskell

CurryDB: In-memory Key/Value Database

Real-Time Game Tournament Evaluator

RFC 4918 WebDAV support

DBFunctor - Functional Data Management => ETL/ELT Data Processing in Haskell

A command-line SQL interface for flat files (tdf,csv,etc.)

D-Bus bindings

Communication Free Learning-based constraint solver

Distributed Mutation Analysis framework for MuCheck

Complete API bindings for DigitalOcean API V2

DOM Level 2 bindings for the WebBits package

Pragmatic framework for dynamic programming

Darcs Patch Manager

utilities for DP

Deterministic random bit generator (aka RNG, PRNG) based HMACs, Hashes, and Ciphers

Implementation of DSA, based on the description of FIPS 186-4

Database Supported Haskell

A framework for using STM within distributed systems

Data To Class transformation

Monads for operations that can exit early and produce warnings

Dao is meta programming language with its own built-in interpreted language, designed with artificial intelligence applications in mind

Code used by Patch-Shack that seemed sensible to open for reusability

Geometric angles

Provide a simple consistent hashing mechanism

Ropes, an alternative to (Byte)Strings

A package for adding index column to data files

A GTK widget for displaying arbitrary Data.Data.Data instances

Type safe data migrations

Write clients for Meteor's DDP Protocol

Convenience functions and instances for Debug.Trace

Decimal numbers with variable precision

A very simple implementation of decision trees for discrete attributes

Arrows for "deep application"

A DSL for creating neural network

A simple RTS game

A demonstration interpreter for type system delta-lambda (of N.G. De-bruijn)

A library for specifying xmonad key bindings with functionality

Processing Real-time event streams

Diff algorithm in pure Haskell

A theory solver for conjunctions of literals in difference logic

Global optimization using Differential Evolution

A data-type representing digits 0-9

Group the digits of numbers by lots

A client library for the DigitalOcean API

An n-dimensional hash using Morton numbers

Distributed Bug Tracking System

Discussion support system

Hash modules (currently Murmur3)

A Haskell library for probability distributions

Distance transform function

A comprehensive distance library

Frameshift-aware alignment of protein sequences with DNA sequences

Test interactive Haskell examples

Documentation types library

A tool for deriving hylomorphisms

Program to derive type class instances

Program to derive type class instances

An implementation of the Dung argumentation frameworks

Polymorphic protocol engine

Cryptographic operations

Network filtering exploration tools

Network filtering exploration tools that rely on pcap

Dynamic time warping of sequences

dysFunctional Reactive Programming

dysFunctional Reactive Programming on Cairo

dysFunctional Reactive Programming on Craftwerk

ExtremlyEasyConfig - Extremly Simple parser for config files

Auto Korean conjugator/adjustor/adopter/converter

Environment Variable Parser

Parsing all context-free grammars using Earley's algorithm