polysemy-research/polysemy

An easy to use, fast extensible effects library with seamless integration with the existing Haskell ecosystem.

🌀 Safe, performant, user-friendly and lightweight Haskell standard library

A language with lexical effect handlers and lightweight effect polymorphism

Lenses, Folds, and Traversals - Join us on web.libera.chat #haskell-lens

Toolkit for Scala Development

Servant is a Haskell DSL for describing, serving, querying, mocking, documenting web applications and more!

Functional programming toolbox

Principled Functional Programming in Scala

A curated list of awesome Haskell frameworks, libraries and software.