An open API service indexing awesome lists of open source software.

Haskell

Haskell is a functional (that is, everything is done with function calls), statically, implicitly typed (types are checked by the compiler, but you don’t have to declare them), lazy (nothing is done until it needs to be) language.

https://github.com/taktoa/eqsat

A language-generic implementation of equality saturation in Haskell

compiler equality-saturation haskell optimization term-indexing theorem-prover

Last synced: 07 Oct 2025

https://github.com/mrkkrp/htaglib

Haskell bindings for TagLib, an audio meta-data library

bindings haskell taglib

Last synced: 13 Jun 2025

https://github.com/fosskers/vectortiles

A native Haskell codec for Mapbox Vector Tiles.

gis haskell vector-tiles

Last synced: 06 Oct 2025

https://github.com/metasepi/c2ats

generate ATS interface from C code

ats c generate haskell header

Last synced: 21 Oct 2025

https://github.com/obsidiansystems/beam-automigrate

Generated migrations for beam databases

beam database haskell migration

Last synced: 12 Apr 2025

https://github.com/chris-martin/haskell-libraries

Incubator for my Haskell libraries

haskell haskell-library

Last synced: 22 Mar 2025

https://github.com/shrynx/reasonz

A Haskell fan fiction for ReasonML

functor haskell monad reasonml typeclasses

Last synced: 15 Apr 2025

https://github.com/skyzyx/alpine-pandoc

Docker container with Alpine Linux, Pandoc, PlantUML, and Sphinx.

alpine-linux container docker documentation haskell java pandoc plantuml python sphinx

Last synced: 25 Mar 2025

https://github.com/fosskers/versions

Haskell types and parsers for software version numbers.

haskell semver

Last synced: 07 Apr 2025

https://github.com/akazukin5151/kpxhs

Interactive Keepass database TUI viewer

brick haskell keepass keepassxc password-manager tui

Last synced: 22 Nov 2025

https://github.com/marcfontaine/stm32hs

STM32 microcontroller hacking in Haskell / ST-Link USB driver

arduino haskell microcontroller stm32f10x

Last synced: 23 Apr 2025

https://github.com/csabahruska/demoscene

Demoscene: Lambda Team

demoscene engine3d graphics-3d haskell

Last synced: 12 Apr 2025

https://github.com/lancelet/space-workshop

Haskell simulations of spacecraft manoeuvres

apollo haskell spaceflight

Last synced: 10 Apr 2025

https://github.com/dmjio/LC3

:floppy_disk: The LC3 virtual machine

assembly haskell instruction-set-architecture lc3 opcodes virtual-machine

Last synced: 14 Apr 2025

https://github.com/emmanueltouzery/hsexif

Exif parser in pure haskell

exif haskell jpeg

Last synced: 14 Apr 2025

https://github.com/kayhide/wakame

Haskell library of row polymorphic record manipulator

hacktoberfest haskell

Last synced: 15 Jul 2025

https://github.com/jonascarpay/nix

My system configurations, dotfiles, and other miscellanies

dotfiles emacs haskell nix vim xmonad

Last synced: 12 Apr 2025

https://github.com/ndmitchell/hexml

A bad XML parser

haskell performant xml xml-parser

Last synced: 08 May 2025

https://github.com/sergv/atomic-counter

Haskell counters that can be safely incremented from multiple threads

concurrency haskell

Last synced: 06 May 2025

https://github.com/portnov/ghcprofview-hs

GHC .prof files viewer

ghc gtk3 haskell profiling

Last synced: 07 May 2025

https://github.com/dfordivam/reflex-websocket-interface

A simple to use interface for websocket using reflex-frp

haskell reflex-frp websockets

Last synced: 12 Apr 2025

https://github.com/tek/ribosome

A Neovim plugin host and framework for Haskell

haskell neovim polysemy

Last synced: 02 May 2025

https://github.com/obsidiansystems/vessel

Functor-parametric containers

containers functor haskell

Last synced: 12 Apr 2025

https://github.com/stackbuilders/atomic-write

Writes files atomically in Haskell while preserving permissions

atomic-actions file-management hacktoberfest haskell

Last synced: 17 Mar 2025

https://github.com/tensor-fusion/gpt-haskell

A pure Haskell implementation of a decoder-only transformer (GPT)

deep-learning gpt gpt-2 haskell large-language-models transformer

Last synced: 03 Jul 2025

https://github.com/typeclasses/stripe

Haskell libraries for working with the Stripe API

haskell haskell-library scotty stripe stripe-api wreq

Last synced: 09 Apr 2025

https://github.com/leptonyu/salak

Haskell Configuration Loader

configuration-loader haskell salak toml yaml

Last synced: 26 Mar 2025

https://github.com/sellout/compiling-anything-to-categories

a talk about and sample project for the [Categorifier](https://github.org/con-kitty/categorifier) GHC plugin.

category-theory ghc ghc-plugin haskell

Last synced: 23 Mar 2025

https://github.com/basvandijk/lifted-base

IO operations from the base library lifted to any instance of MonadBase or MonadBaseControl

haskell

Last synced: 04 Aug 2025

https://github.com/jonathanknowles/monoidmap

Monoidal map type with support for semigroup and monoid subclasses.

haskell map monoid monoidmap total type

Last synced: 02 Jul 2025

https://github.com/barrucadu/irc-client

This project is essentially abandonware!

abandonware haskell

Last synced: 14 Apr 2025

https://github.com/twesterhout/spin-ed

User-friendly exact diagonalization package written in Haskell. Can treat systems of up to 𝒪(42) spins!

exact-diagonalization haskell high-performance many-body numerical-methods quantum

Last synced: 04 Sep 2025

https://github.com/ilyasergey/monadic-cfa

Generic implementation of different CFA families based on monadic decomposition

abstract-interpretation haskell k-cfa monads static-analysis

Last synced: 31 Jul 2025

https://github.com/plt-amy/ahc

a haskell compiler

compiler haskell

Last synced: 17 May 2025

https://github.com/totallynotchase/valida

:heavy_check_mark: Simple, elegant, profunctorial, applicative validation for product types!

applicative-functors contravariant-functors haskell profunctors validation validator

Last synced: 30 Aug 2025

https://github.com/parrows/parrows

Using Arrows to model parallel processes/computations.

arrow arrows computing haskell parallel

Last synced: 13 Apr 2025

https://github.com/lagunoff/htmlt

Lightweight frontend library for GHC with JavaScript Backend

ghc ghcjs gui haskell react virtual-dom

Last synced: 06 Mar 2025

https://github.com/basvandijk/levmar

An implementation of the Levenberg-Marquardt algorithm

haskell levenberg-marquardt

Last synced: 30 Jul 2025

https://github.com/ondrap/dynamodb-simple

Type-safe Haskell framework for AWS DynamoDB

aws-dynamodb dynamodb haskell

Last synced: 08 Jul 2025

https://github.com/aionescu/oplang

Stack-based esoteric programming language

compiler esoteric-language haskell stack-based

Last synced: 13 Apr 2025

https://github.com/zettlr/davenport

Open Source Text Management and Collaborative Writing for the 21st Century

academic haskell markdown saas text vuejs webapp websocket

Last synced: 04 May 2025

https://github.com/hasufell/hpath

Typed filepath in haskell

dirname filepath filepath-manipulation files haskell posix

Last synced: 12 Apr 2025

https://github.com/y-taka-23/time-machine

A Haskell library to mock the current time. ⏰

haskell monad testing

Last synced: 13 Apr 2025

https://github.com/typelead/eta-ffi

A command line tool to automate the generation of ffi import code for the bindings of various Java libraries.

eta ffi ffi-bindings haskell jar jvm

Last synced: 05 May 2025

https://github.com/thematten/hask

Funny little Haskell impl

haskell language

Last synced: 13 Apr 2025

https://github.com/simre1/reactimate

A Haskell libary for fast arrowized FRP based on signal functions

arrow frp functional-reactive-programming game haskell

Last synced: 13 Apr 2025

https://github.com/haskell-hvr/rss

A library for generating RSS 2.0 feeds.

haskell rss

Last synced: 16 Jun 2025

https://github.com/pechersky/haskell-numpy-docs

Examples of Haskell versions of Numpy usage

haskell hmatrix numpy sphinx-doc

Last synced: 17 Jan 2026

https://github.com/leptonyu/odpic-raw

Haskell raw bindings to Oracle ODPI-C Library

haskell odpi oracle

Last synced: 26 Mar 2025

https://github.com/danidiaz/red-black-record

Extensible records and variants indexed by a type-level Red-Black tree.

haskell higher-kinded type-level-programming

Last synced: 18 Jan 2026

https://github.com/jneira/wai-servlet

Library to integrate eta wai applications with servlet api

eta-lang haskell interop java servlet wai

Last synced: 05 Jul 2025

https://github.com/mastarija/valor

Simple and powerful data validation library with Applicative and Monad interface.

form-validation forms haskell library validation

Last synced: 21 Oct 2025

https://github.com/solomon-b/monoidal-functors

A library encoding monoidal functors and related structures in Haskell.

category-theory haskell monoidal-categories

Last synced: 15 Oct 2025

https://github.com/jtdaugherty/text-zipper

A text editor zipper libary

editor haskell text zipper

Last synced: 09 Apr 2025

https://github.com/selectel/hen

Haskell bindings to Xen hypervisor interface

community haskell xen

Last synced: 18 Aug 2025

https://github.com/mchav/courseramachinelearning

Exercises and notes from the Coursera Machine Learning Course by Andrew Ng.

haskell machine-learning machine-learning-coursera

Last synced: 25 Mar 2025

https://github.com/mrkkrp/hspec-megaparsec

Utility functions for testing Megaparsec parsers with Hspec

haskell hspec megaparsec testing

Last synced: 25 Oct 2025

https://github.com/basvandijk/concurrent-extra

Extra concurrency primitives

concurrency haskell

Last synced: 16 Mar 2025

https://github.com/klarkc/nix-templates

Minimal reproducible nix flake templates

haskell nix plutus purescript template

Last synced: 18 Jan 2026

https://github.com/nelsonmestevao/uminho

:books: University projects, exercises & notes

c cpp data-science distributed-systems haskell java software-engineering

Last synced: 27 Oct 2025

https://github.com/gvolpe/stm-demo

Bank transfer examples using STM in both Haskell and Scala (zio-stm)

haskell memory scala stm transactions zio

Last synced: 22 Mar 2025

https://github.com/05st/artemis

Statically typed, high-level functional programming language.

functional functional-programming haskell interpreter language languages programming-language

Last synced: 25 Sep 2025

https://github.com/Kuratoro/haskell.zettel.page

Haskell knowledgebase, Zettelkasten style (~2 months experiment, which resulted in migration to srid.ca)

haskell wiki zettelkasten

Last synced: 01 May 2025

https://github.com/alpacaaa/tex

Minimalistic file explorer, written in Haskell.

file-manager haskell

Last synced: 24 Jul 2025

https://github.com/co-log/co-log-core

🌽 Core types and functions that power the Haskell `co-log` implementation

co-log contravariant core hacktoberfest haskell logging

Last synced: 10 Apr 2025

https://github.com/cdepillabout/shebanger

Convert a shell script into a series of shebang lines

haskell shebang

Last synced: 29 Jul 2025

https://github.com/kowainik/first-class-patterns

First class patterns and pattern matching, using type families

first-class haskell pattern-matching patterns

Last synced: 28 Oct 2025

https://github.com/foreverbell/project-euler-solutions

Project Euler solutions in Haskell.

haskell project-euler

Last synced: 17 Dec 2025

https://github.com/chungyc/ninetynine

Ninety-Nine Haskell Problems. The documentation serves as a standalone list of problems. Includes tests and benchmarks for checking and comparing solutions.

educational haskell

Last synced: 11 Apr 2025

https://github.com/nikita-volkov/hasql-tutorial1

Tutorial on organisation of Hasql code in a Postgres-integration layer

haskell hasql postgresql tutorial

Last synced: 10 Apr 2025

https://github.com/egison/sweet-egison

Haskell library for non-deterministic pattern matching

backtracking egison haskell non-linear-pattern pattern-matching

Last synced: 23 Jun 2025

https://github.com/takenobu-hs/type-introduction-illustrated

Haskell type introduction illustrated

haskell

Last synced: 13 Apr 2025

https://github.com/glguy/config-value

Simple, layout-based, unambiguous configuration language implemented in Haskell

configuration haskell

Last synced: 21 Mar 2025

https://github.com/erewok/servant-py

Servant client generators for the Python language

haskell haskell-library python servant servant-client

Last synced: 15 Sep 2025

https://github.com/freckle/faktory_worker_haskell

Faktory Worker for Haskell

faktory ghvm-managed haskell

Last synced: 12 May 2025

https://github.com/composewell/unicode-data

Access unicode character database

haskell streamly unicode

Last synced: 09 Apr 2025

https://github.com/webcpu/haskellred

A functional library for Red programmers

functional-programming haskell red-lang

Last synced: 05 May 2025

https://github.com/stevana/hot-swapping-state-machines

An experiment in implementing remote hot code swapping, or dynamic code upgrade, for state machines.

haskell hot-code-reload state-machines

Last synced: 21 Mar 2025

https://github.com/rametta/retros

🏂🏻 Haskell based Retro board

haskell ihp retros websockets

Last synced: 14 Apr 2025

https://github.com/toptobes/typefuck-haskell

Typelevel Brainfuck; Brainfuck implemented solely in Haskell's type system (no TemplateHaskell)

brainfuck haskell typefuck

Last synced: 07 May 2025

https://github.com/junjihashimoto/th-cas

Compile time CAS(Computer Algebra System) for Haskell

algebra cas computer-algebra haskell

Last synced: 12 Apr 2025

https://github.com/timjb/halma

Chinese Checkers Haskell library, GUI application and Telegram bot

chinese-checkers diagrams game-ai haskell serverless telegram-bot

Last synced: 17 Jul 2025