🏹 Bow is a cross-platform library for Typed Functional Programming in Swift

effect isolation in Python, to facilitate more purely functional code

Functional Programming library for Java

Easy way to create Free Monad using Scala macros with first-class Intellij support.

Implement monads by specifying instructions and their desired operational semantics.

purely functional http client with scalaz.Free

Code template for workshop "Building eDSLs in functional TypeScript"

Practical effect composition library based on abstract wrapping type and the free monad

Extensible effects for Scala

Functional Telegram Bot API wrapper for Scala on top of akka, circe, cats, and shapeless

Free monads for bucklescript

Tiny .NET library implementing a free monad-like pattern with C# async/await.

A toy turtle graphics interpreter based on the Free monad, in PureScript, with HTML Canvas graphics support.

Extensible Free Monad Effects

A project comparing the Tagless Final approach with the Free Monad one, using the Monix's Task as the target monad

Explaining category theory by example

An implementation of "Freer Monads, More Extensible Effects".

Introduction into functional programming free structures: free monads, free monoids, free applicatives.

Experimenting with "free transformers" in Haskell

Supporting material for my PHP Free monad talk!

Co-products for Free monads

Finally tagless/Free integrations; stdio for FP Scala!

A Lean 4 implementation of the Church‑encoded Free Monad for effectful computations over any functor f.

🌌 Haskell HTTP server written free monad style

Open source library to use a DSL based on ScalaZ and ScalaTest framework

onion architecture example by cats and freek

A pure SQL library in Haskell

An experiment to play with the free monad and build a DSL for plotting.

Something like Free Monad for Elixir

Composable request-response pipelines