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 241k 50k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 125k 25k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 62.8k 9.6k

  4. hhvm hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.6k 3.1k

  5. zstd zstd Public

    Zstandard - Fast real-time compression algorithm

    C 26.1k 2.3k

  6. lexical lexical Public

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

    TypeScript 22.6k 2.1k

Repositories

Showing 10 of 155 repositories
  • opaque-ke Public

    An implementation of the OPAQUE password-authenticated key exchange protocol

    facebook/opaque-ke’s past year of commit activity
    Rust 364 Apache-2.0 57 0 5 Updated Dec 1, 2025
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 935 362 25 69 Updated Dec 1, 2025
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,160 Apache-2.0 308 269 38 Updated Dec 1, 2025
  • flow Public

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

    facebook/flow’s past year of commit activity
    OCaml 22,201 MIT 1,882 610 (2 issues need help) 16 Updated Dec 1, 2025
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 4,860 MIT 211 400 (14 issues need help) 27 Updated Dec 1, 2025
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,553 3,066 408 110 Updated Dec 1, 2025
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 30,102 Apache-2.0 5,814 304 112 Updated Dec 1, 2025
  • Ax Public

    Adaptive Experimentation Platform

    facebook/Ax’s past year of commit activity
    Python 2,648 MIT 354 26 116 Updated Dec 1, 2025
  • dotslash Public

    Simplified executable deployment

    facebook/dotslash’s past year of commit activity
    Rust 773 Apache-2.0 44 15 3 Updated Dec 1, 2025
  • facebook-for-woocommerce Public

    The official plugin from Meta. This repository is now officially maintained by Meta's engineering team. We welcome and encourage contributions from the community.

    facebook/facebook-for-woocommerce’s past year of commit activity
    PHP 243 GPL-2.0 177 73 (2 issues need help) 103 Updated Dec 2, 2025