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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 242k 50.2k

  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 63k 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 26.2k 2.4k

  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 159 repositories
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 938 365 25 83 Updated Dec 19, 2025
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,063 MIT 226 391 (18 issues need help) 37 Updated Dec 19, 2025
  • Ax Public

    Adaptive Experimentation Platform

    facebook/Ax’s past year of commit activity
    Python 2,673 MIT 355 30 110 Updated Dec 19, 2025
  • hermes Public

    A JavaScript engine optimized for running React Native.

    facebook/hermes’s past year of commit activity
    JavaScript 10,652 MIT 716 118 56 Updated Dec 19, 2025
  • relay Public

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

    facebook/relay’s past year of commit activity
    Rust 18,910 MIT 1,876 617 (11 issues need help) 166 Updated Dec 19, 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-2.0 178 73 (2 issues need help) 112 Updated Dec 18, 2025
  • fbthrift Public

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

    facebook/fbthrift’s past year of commit activity
    C++ 2,672 Apache-2.0 626 44 5 Updated Dec 19, 2025
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,573 3,067 407 118 Updated Dec 19, 2025
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,187 Apache-2.0 312 271 42 Updated Dec 19, 2025
  • mvfst Public

    An implementation of the QUIC transport protocol.

    facebook/mvfst’s past year of commit activity
    C++ 1,621 MIT 273 37 5 Updated Dec 19, 2025
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