Facebook

A JavaScript bundle optimizer.

Mcrouter is a memcached protocol router for scaling memcached deployments.

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

Performant type-checking for python.

A virtual machine for executing programs written in Hack.

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

Zstandard - Fast real-time compression algorithm

Integrate your iOS apps in Swift with Facebook Platform.

A declarative framework for building efficient UIs on Android.

A bytecode optimizer for Android apps

An Android library for managing images and the memory they use.

🃏 Delightful JavaScript Testing.

A desktop debugging platform for mobile developers.

A framework for building native apps with React.

🚇 The JavaScript bundler for React Native.

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

An SDK built to facilitate application development for Facebook Ads API.

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

Used to integrate the Facebook Platform with your iOS & tvOS apps.

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

Java SDK for Facebook Ads APIs

An SDK built to facilitate application development for Facebook Ads API.

An SDK built to facilitate application development for Facebook Ads API using Ruby.

Facebook Ads API using Node.js

Used to integrate Android apps with Facebook Platform.

Create React apps with no build configuration.

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

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

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

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