Haskell Effects

Open-source Haskell projects categorized as Effects

Top 15 Haskell Effect Projects

  • kitten

    A statically typed concatenative systems programming language.

    Project mention: A Forth Apologia | news.ycombinator.com | 2022-11-29

    Well, there is Kitten, although it hasn't seen an update in two years and was moving quite slowly before that too.


  • fused-effects

    A fast, flexible, fused effect system for Haskell

  • SonarQube

    Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.

  • lawvere

    A categorical programming language with effects

  • capability

    Extensional capabilities and deriving combinators

  • extensible-effects

    Extensible Effects: An Alternative to Monad Transformers

  • cleff

    Fast and concise extensible effects

    Project mention: Implicit parameters vs ReaderT | reddit.com/r/haskell | 2022-12-01

    I ended up using a different approach to guiding inference in my project, but I still thought the IP way was cool

  • avail

    Low-overhead effect management for concrete monads

  • InfluxDB

    Build time-series-based applications quickly and at scale.. InfluxDB is the Time Series Platform where developers build real-time applications for analytics, IoT and cloud-native services. Easy to start, it is available in the cloud or on-premises.

  • effet

    An effect system based on type classes, written in Haskell.

  • effects


  • joint

    Extremely simple effect system for Haskell (by iokasimov)

  • fused-effects-random

    Random number generation for fused-effects.

  • effects-parser

    Parser Effect for the Control.Effects Library

  • freer-indexed

    Freer parameterized monads

  • program

    A library for writing programs with environments and managed resources, written in Haskell. (by typedbyte)

  • trans-fx-core

    Monadic effects in Haskell with transformer transformers

  • SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2022-12-01.

Haskell Effects related posts


What are some of the best open-source Effect projects in Haskell? This list will help you:

Project Stars
1 kitten 1,013
2 fused-effects 592
3 lawvere 221
4 capability 209
5 extensible-effects 175
6 cleff 81
7 avail 36
8 effet 36
9 effects 19
10 joint 7
11 fused-effects-random 3
12 effects-parser 3
13 freer-indexed 2
14 program 2
15 trans-fx-core 0
SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives