Official Haskell IDE support via the language server protocol (LSP)

Pattern language

Haskell to JavaScript compiler, based on GHC

A declarative Unix terminal UI library written in Haskell

Automatic testing of Haskell programs.

Scripts and instructions for using CI services (e.g. Travis CI or Appveyor) with multiple GHC configurations

Painless 2D vector graphics, animations and simulations.

Squeal, a deep embedding of SQL in Haskell

A lightweight (but compatible with ‘lens’) lenses library

pretty-printer for Haskell data types that have a Show instance

Music in Haskell

haskell, opengl, toy project

An amazing list of Haskell developers who would like to mentor beginner-contributors in open source projects.

Type classes for mapping, folding, and traversing monomorphic containers

an attempt to create a concise modern Haskell OpenGL boilerplate with basic IO

SDL2 tutorial code in Haskell

Extensible records, variants, structs, effects, tangles

A library for building re-usable and composable SQL queries.

Preprocessor for typesetting Haskell sources with LaTeX

Core types and utilities

Haskell library for command line argument processing

First-class type families

Benchmarks for sequence data structures: lists, vectors, etc.

Haskell library for simple, concise and fast generic operations.

🧙‍♀️ Convert values from one type into another.

A reactive notebook for Haskell

Painless 2D vector graphics, animations, and simulations powered by GLFW (Fork of gloss)

Difference lists in Haskell

jupyter / jupyterlite kernel for Haskell powered by WebAssembly