Scala.js, the Scala to JavaScript compiler

A powerful cross-platform UI toolkit for building native-quality iOS, Android, and Progressive Web Apps with HTML, CSS, and JavaScript.

Fluux Messenger: A fast, modern, cross-platform XMPP client for communities and organizations.

Purescript compiler back-end for Lua

High-performance HTTP/1.1, HTTP/2, HTTP/3 server for Erlang/OTP 27+

Language implementation for PureScript

Facebook's React on Scala.JS

Velox is a port of Tauri to Swift.

A components library built with Tailwind CSS that works with any web stack.

Duktape JavaScript engine for Erlang.

Koka language compiler and interpreter

A purely functional programming language with first class types

The pure asynchronous runtime for Scala

The Scala 3 compiler, also known as Dotty.

Core Erlang

A PureScript web UI framework

An opinionated set of bindings to the React library, optimizing for the most basic use cases

An implementation of React hooks on top of purescript-react-basic

A declarative, type-safe UI library for PureScript.

Erlang backend for the PureScript compiler

Erlang/Elixir integration for Swift Distributed Actors

The first ever roguelike written in the OCaml type system

A strongly-typed language that compiles to JavaScript

DNS server, in Erlang.

A software raytracing engine written in WebGPU

A free book: "The Science of Functional Programming"

Heaps : Haxe Game Framework

Productivity improvements for Rust ecosystem: warnings are skipped until errors are fixed, LSP-independent Neovim integration, etc.