Top Haskell GitHub Repositories & Open Source Projects (2026)

Provides an API for Haskell applications to the FiveRuns Dash service, http://dash.fiveruns.com

Gtk2Hs is a GUI library for Haskell based on Gtk+

Uses strace(1) to expose the actions and real dependencies of build systems

Convert strings into hexadecimal and back.

Type-level (low cardinality) integers for Haskell.

continuous probability with sampling functions

An todolist editor written in haskell

terminal presentations

Tom's utility functions for haskell

Helpers for quering .cabal files or hackageDB 00-index.tar

A chess engine implemented using haskell.

A composable image generation library for Haskell

Now maintained by José Manuel Calderón Trilla. See https://github.com/jmct/serial

A Haskell implementation of a Bloom filter

Simple Dialog Windows in Haskell

Basic Autotype Functionality

Create a nicely formatted .pdf of a sorted list of contacts.

A minimum web dev DSL in Haskell

a new dynamic functional programming language

A generic way to extract the data of functor and other simple data types