Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

Master programming by recreating your favorite technologies from scratch.

Breakthrough Method for Agile Ai Driven Development

Toolkit for Scala Development

A direct-style effect system in Scala 3 that tracks effects using context parameters

A collection of awesome CRDT resources

Avro schema generation and serialization / deserialization for Scala

Use Commanded to build Elixir CQRS/ES applications

Get your documents ready for gen AI

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

Direct-style async/await syntax for Cats Effect

A Direct-Style Scala Wrapper Around the Structured Concurrency of Project Loom

Scala 3 porting of the Raise DSL from the Arrow Kt Kotlin library

Nix and Haskell in production

Learn all about asynchronous elixir

Strong type constraints for Scala

Some isosurfaces with Haskell.

Haskell to JavaScript compiler, based on GHC

Unwrapped is an effects library for Scala 3 that introduces structured concurrency and an abilities system to describe pure functions and programs.

C# pure functional programming framework - come and get declarative!

📜 Haskell course info, plan, video lectures, slides

The Flix Programming Language

Haskell Documentation Tool

♊ higher-order, no-boilerplate monads

A fast Haskell JSON library

Optics library for Scala

The Scala 3 compiler, also known as Dotty.