Facebook

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

A static analyzer for Java, C, C++, and Objective-C

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

SQL powered operating system instrumentation, monitoring, and analytics.

A framework for building native apps with React.

Facebook's branch of the Oracle MySQL v5.6 database. This includes MyRocks.

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

A declarative framework for building efficient UIs on Android.

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

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

A virtual machine for executing programs written in Hack.

A desktop debugging platform for mobile developers.

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

Delightful JavaScript Testing.

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

Facebook AI Performance Evaluation Platform

A bytecode optimizer for Android apps

Facebook ZeroMQ wrappers.

Bistro is a flexible distributed scheduler, a high-performance framework supporting multiple paradigms while retaining ease of configuration, management, and monitoring.

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

🚇 The JavaScript bundler for React Native.

Easy to maintain open source documentation websites.

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

Zstandard - Fast real-time compression algorithm

Set up a modern web app by running one command.

Mcrouter is a memcached protocol router for scaling memcached deployments.

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

Performant type-checking for python.

Distributed platform for building autonomic network functions.