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Facebook

We work hard to contribute our work back to the web, mobile, big data, & infrastructure communities. NB: members must have two-factor auth.

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

    Java 3,705 625 Updated Jan 22, 2017
  • Adds static typing to JavaScript to improve developer productivity and code quality.

    OCaml 9,982 774 Updated Jan 22, 2017
  • A declarative, efficient, and flexible JavaScript library for building user interfaces.

    JavaScript 58,147 10,555 Updated Jan 22, 2017
  • SQL powered operating system instrumentation, monitoring, and analytics.

    C++ 7,744 905 Updated Jan 22, 2017
  • Friendly Syntax & Toolchain Powered by OCaml

    OCaml 2,225 154 Updated Jan 22, 2017
  • ๐Ÿƒ Painless JavaScript Testing.

    JavaScript 7,632 924 Updated Jan 22, 2017
  • Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

    Java 6,647 614 Updated Jan 22, 2017
  • Platform to host Capture the Flag competitions

    Hack 4,709 904 Updated Jan 22, 2017
  • Zstandard - Fast real-time compression algorithm

    C 4,570 385 Updated Jan 22, 2017
  • A framework for building native apps with React.

    JavaScript 43,129 9,882 Updated Jan 22, 2017
  • A collection of utility libraries used by other Facebook JS projects.

    JavaScript 726 115 Updated Jan 21, 2017
  • A collection of C++ HTTP libraries including an easy to use HTTP server.

    C++ 4,526 908 Updated Jan 22, 2017
  • A library that provides an embeddable, persistent key-value store for fast storage.

    C++ 6,910 1,455 Updated Jan 22, 2017
  • An open IDE for web and native mobile development, built on top of Atom

    JavaScript 6,038 451 Updated Jan 22, 2017
  • Yoga is a cross-platform layout engine which implements Flexbox. Yoga enables maximum collaboration within your team by implementing an API familiar to many designers and opening it up to developers across different platforms.

    C++ 6,463 401 Updated Jan 22, 2017
  • Remodel is a tool that helps iOS and OS X developers avoid repetitive code by generating Objective-C models that support coding, value comparison, and immutability.

    TypeScript 308 34 Updated Jan 21, 2017
  • A virtual machine designed for executing programs written in Hack and PHP.

    C++ 14,221 2,600 Updated Jan 21, 2017
  • Xcode-compatible build tool.

    C++ 1,232 78 Updated Jan 21, 2017
  • A bytecode optimizer for Android apps

    C++ 3,322 313 Updated Jan 21, 2017
  • Relay is a JavaScript framework for building data-driven React applications.

    JavaScript 7,767 638 Updated Jan 21, 2017
  • Application Architecture for Building User Interfaces

    JavaScript 13,119 3,540 Updated Jan 22, 2017
  • Smooth asynchronous user interfaces for iOS apps.

    Objective-C 10,488 1,858 Updated Jan 21, 2017
  • Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

    C++ 1,509 215 Updated Jan 21, 2017
  • A Mac OS X library for managing and manipulating iOS Simulators

    Objective-C 1,739 148 Updated Jan 21, 2017
  • Watches files and records, or triggers actions, when they change.

    C++ 5,018 412 Updated Jan 21, 2017
  • Facebook Open Switching System Software for controlling network switches.

    C++ 316 87 Updated Jan 20, 2017
  • OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).

    C 208 68 Updated Jan 20, 2017
  • Facebook's branch of the Oracle MySQL v5.6 database. This includes MyRocks.

    C++ 839 283 Updated Jan 21, 2017
  • Facebook's branch of Apache Thrift, including a new C++ server.

    C++ 919 262 Updated Jan 21, 2017
  • An open-source C++ library developed and used at Facebook.

    C++ 8,072 1,954 Updated Jan 21, 2017