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 243k 50.5k

  2. react-native react-native Public

    A framework for building native applications using React

    C++ 125k 25.1k

  3. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 63.7k 9.7k

  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 26.6k 2.4k

  6. lexical lexical Public

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

    TypeScript 22.9k 2.1k

Repositories

Showing 10 of 161 repositories
  • pyrefly-pre-commit Public

    A pre-commit hook for Pyrefly.

    facebook/pyrefly-pre-commit’s past year of commit activity
    Python 20 MIT 4 1 0 Updated Feb 8, 2026
  • Ax Public

    Adaptive Experimentation Platform

    facebook/Ax’s past year of commit activity
    Python 2,701 MIT 357 36 137 Updated Feb 8, 2026
  • flow Public

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

    facebook/flow’s past year of commit activity
    OCaml 22,215 MIT 1,888 604 (2 issues need help) 14 Updated Feb 8, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,294 MIT 266 378 (32 issues need help) 71 Updated Feb 8, 2026
  • react-native Public

    A framework for building native applications using React

    facebook/react-native’s past year of commit activity
    C++ 125,314 MIT 25,078 738 (26 issues need help) 439 Updated Feb 8, 2026
  • OpenBIC Public

    BICs (Bridge IC) are standalone devices deployed within a Data Center that enable monitoring a multi-host system using a single BMC device.

    facebook/OpenBIC’s past year of commit activity
    C 63 Apache-2.0 55 5 3 Updated Feb 8, 2026
  • relay Public

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

    facebook/relay’s past year of commit activity
    Rust 18,933 MIT 1,876 621 (11 issues need help) 187 Updated Feb 8, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling’s past year of commit activity
    Rust 6,724 GPL-2.0 340 230 (4 issues need help) 61 Updated Feb 7, 2026
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,602 3,076 409 108 Updated Feb 7, 2026
  • dotslash Public

    Simplified executable deployment

    facebook/dotslash’s past year of commit activity
    Rust 806 Apache-2.0 50 15 3 Updated Feb 7, 2026