Skip to content
@facebook

Meta

We are working to build community through open source technology. NB: members must have two-factor auth.

Pinned Loading

  1. react react Public

    The library for web and native user interfaces.

    JavaScript 240k 49.6k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 124k 24.9k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 62.2k 9.5k

  4. hhvm hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.5k 3.1k

  5. zstd zstd Public

    Zstandard - Fast real-time compression algorithm

    C 25.8k 2.3k

  6. lexical lexical Public

    Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

    TypeScript 22.3k 2k

Repositories

Showing 10 of 153 repositories
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,103 Apache-2.0 301 257 33 Updated Oct 14, 2025
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,509 3,061 407 96 Updated Oct 13, 2025
  • fbthrift Public

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

    facebook/fbthrift’s past year of commit activity
    C++ 2,655 Apache-2.0 629 41 3 Updated Oct 13, 2025
  • Ax Public

    Adaptive Experimentation Platform

    facebook/Ax’s past year of commit activity
    Python 2,587 MIT 349 20 92 Updated Oct 13, 2025
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 29,945 Apache-2.0 5,786 301 110 Updated Oct 13, 2025
  • igl Public

    Intermediate Graphics Library (IGL) is a cross-platform library that commands the GPU. It provides a single low-level cross-platform interface on top of various graphics APIs (e.g. OpenGL, Metal and Vulkan).

    facebook/igl’s past year of commit activity
    C++ 3,132 198 4 0 Updated Oct 14, 2025
  • react-native Public

    A framework for building native applications using React

    facebook/react-native’s past year of commit activity
    C++ 124,138 MIT 24,879 670 (27 issues need help) 380 Updated Oct 14, 2025
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 922 356 24 46 Updated Oct 14, 2025
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 3,853 MIT 159 319 (16 issues need help) 11 Updated Oct 13, 2025
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling’s past year of commit activity
    Rust 6,579 GPL-2.0 321 221 (4 issues need help) 45 Updated Oct 14, 2025