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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 243k 50.6k

  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 63.9k 9.8k

  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 26.7k 2.4k

  6. lexical lexical Public

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

    TypeScript 23k 2.1k

Repositories

Showing 10 of 162 repositories
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,260 Apache-2.0 329 281 75 Updated Feb 22, 2026
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,605 3,077 410 112 Updated Feb 22, 2026
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 30,255 Apache-2.0 5,849 310 128 Updated Feb 22, 2026
  • CacheLib Public

    Pluggable in-process caching engine to build and scale high performance services

    facebook/CacheLib’s past year of commit activity
    C++ 1,498 Apache-2.0 315 15 30 Updated Feb 22, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling’s past year of commit activity
    Rust 6,738 GPL-2.0 346 234 (4 issues need help) 63 Updated Feb 22, 2026
  • fb303 Public

    fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.

    facebook/fb303’s past year of commit activity
    C++ 92 Apache-2.0 62 6 13 Updated Feb 22, 2026
  • openr Public

    Distributed platform for building autonomic network functions.

    facebook/openr’s past year of commit activity
    C++ 928 MIT 246 10 10 Updated Feb 22, 2026
  • mvfst Public

    An implementation of the QUIC transport protocol.

    facebook/mvfst’s past year of commit activity
    C++ 1,636 MIT 279 39 5 Updated Feb 22, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 955 379 25 117 Updated Feb 22, 2026
  • wangle Public

    Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

    facebook/wangle’s past year of commit activity
    C++ 3,095 Apache-2.0 544 34 13 Updated Feb 22, 2026
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