Facebook

Used to integrate Android apps with Facebook Platform.

Performant type-checking for python.

A framework for building native apps with React.

Zstandard - Fast real-time compression algorithm

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

Watches files and records, or triggers actions, when they change.

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

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

Integrate your iOS apps in Swift with Facebook Platform.

Set up a modern web app by running one command.

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

Easy to maintain open source documentation websites.

A bytecode optimizer for Android apps

Distributed platform for building autonomic network functions.

Generate fast deterministic screenshots during Android instrumentation tests

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

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

Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

Facebook ZeroMQ wrappers.

A virtual machine for executing programs written in Hack.

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

fbtftp is Facebook's implementation of a dynamic TFTP server framework.

A declarative framework for building efficient UIs on Android.

Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.

Warp speed Data Transfer (WDT) is an embeddedable library (and command line tool) aiming to transfer data between 2 systems as fast as possible over multiple TCP paths.

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

The site and docs for React Native

Facebook Open Switching System Software for controlling network switches.

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

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