Facebook

The site and docs for React Native

A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

Zstandard - Fast real-time compression algorithm

A collection of utility libraries used by other Facebook JS projects.

Adds static typing to JavaScript to improve developer productivity and code quality.

Language, engine, and tooling for expressing, testing, and evaluating composable language rules on input strings.

Facebook AI Performance Evaluation Platform

A JavaScript bundle optimizer.

An open IDE for web and native mobile development, built on top of Atom

A declarative framework for building efficient UIs on Android.

Facebook Open Switching System Software for controlling network switches.

Set up a modern web app by running one command.

Simple, fast & type safe code that leverages the JavaScript & OCaml ecosystems

A virtual machine for executing programs written in Hack.

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

Relay is a JavaScript framework for building data-driven React applications.

An extension that allows inspection of React component hierarchy in the Chrome and Firefox Developer Tools.

A framework for building native apps with React.

Debug server for lldb.

A desktop debugging platform for mobile developers.

A library that provides an embeddable, persistent key-value store for fast storage.

Open source chef cookbooks.

Performant type-checking for python.

Facebook's branch of Apache Thrift, including a new C++ server.

🃏 Delightful JavaScript Testing.

OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).

Easy to maintain open source documentation websites.

A declarative, efficient, and flexible JavaScript library for building user interfaces.