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  1. react react Public

    The library for web and native user interfaces.

    JavaScript 242k 50.4k

  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 63.4k 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 26.4k 2.4k

  6. lexical lexical Public

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

    TypeScript 22.8k 2.1k

Repositories

Showing 10 of 160 repositories
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,588 3,074 407 112 Updated Jan 17, 2026
  • proxygen Public

    A collection of C++ HTTP libraries including an easy to use HTTP server.

    facebook/proxygen’s past year of commit activity
    C++ 8,312 1,526 22 14 Updated Jan 17, 2026
  • fbthrift Public

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

    facebook/fbthrift’s past year of commit activity
    C++ 2,674 Apache-2.0 626 44 5 Updated Jan 17, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,213 MIT 252 363 (25 issues need help) 46 Updated Jan 17, 2026
  • CacheLib Public

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

    facebook/CacheLib’s past year of commit activity
    C++ 1,488 Apache-2.0 314 15 24 Updated Jan 17, 2026
  • openbmc Public

    OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).

    facebook/openbmc’s past year of commit activity
    C 669 Apache-2.0 301 43 7 Updated Jan 17, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 944 372 25 100 Updated Jan 17, 2026
  • flow Public

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

    facebook/flow’s past year of commit activity
    OCaml 22,212 MIT 1,886 603 (2 issues need help) 14 Updated Jan 17, 2026
  • openzl Public

    A novel data compression framework

    facebook/openzl’s past year of commit activity
    C 2,881 131 35 31 Updated Jan 17, 2026
  • hermes Public

    A JavaScript engine optimized for running React Native.

    facebook/hermes’s past year of commit activity
    JavaScript 10,748 MIT 726 119 52 Updated Jan 17, 2026
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