Build cross-platform desktop apps with JavaScript, HTML, and CSS

The new Windows Terminal and the original Windows console host, all in the same place!

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

Compatibility tool for Steam Play based on Wine and additional components

An open-source C++ library developed and used at Facebook.

Emscripten: An LLVM-to-WebAssembly Compiler

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

A lightweight utility that makes the Windows taskbar translucent/transparent.

🚀 Coroutine-based concurrency library for PHP

A virtual machine for executing programs written in Hack.

software version control visualization

A collection of C++ HTTP libraries including an easy to use HTTP server.

The WebAssembly Binary Toolkit

Facebook AI Research's Automatic Speech Recognition Toolkit

Mcrouter is a memcached protocol router for scaling memcached deployments.

Reference implementation for the peer-to-peer agent that manages the Stellar network.

The native Clojure dialect hosted on LLVM with seamless C++ interop.

Circuit IR Compilers and Tools

V8 Javascript Engine for PHP — This PHP extension embeds the Google V8 Javascript Engine

A bidirectional bindings generator for C++ and Rust.

Programmatic server for PHP with async IO, coroutines and fibers

The Source SDK for Apex Legends' engine.

UCI chess engine

A PHP extension for Facebook's RocksDB

A PHP7 extension that augments the syntax of the language such that XML document fragments become valid PHP expressions.