purescript/purescript-free

Monad and comonad transformers

An asynchronous effect monad for PureScript

Principled Functional Programming in Scala

A parser combinator library based on Parsec

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

Pure profunctor lenses

Interactive programs without callbacks or side-effects. Functional Reactive Programming (FRP) uses composable events and time-varying values to describe interactive systems as pure functions. Just like other pure functional code, functional reactive code is easier to get right on the first try, maintain, and reuse.

A lightweight, distinctly Scala take on functional abstractions, with tight ZIO integration

The PureScript Prelude