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  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
  • flow Public

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

    facebook/flow’s past year of commit activity
    OCaml 22,214 MIT 1,888 604 (2 issues need help) 14 Updated Feb 6, 2026
  • lexical Public

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

    facebook/lexical’s past year of commit activity
    TypeScript 22,906 MIT 2,080 545 (16 issues need help) 42 Updated Feb 6, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,242 Apache-2.0 325 274 68 Updated Feb 6, 2026
  • folly Public

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

    facebook/folly’s past year of commit activity
    C++ 30,248 Apache-2.0 5,847 319 134 Updated Feb 6, 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 670 Apache-2.0 300 43 7 Updated Feb 6, 2026
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,602 3,075 409 107 Updated Feb 6, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,286 MIT 265 377 (30 issues need help) 63 Updated Feb 6, 2026
  • relay Public

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

    facebook/relay’s past year of commit activity
    Rust 18,936 MIT 1,874 621 (11 issues need help) 187 Updated Feb 6, 2026
  • ocamlrep Public

    Sets of libraries and tools to write applications and libraries mixing OCaml and Rust. These libraries will help keeping your types and data structures synchronized, and enable seamless exchange between OCaml and Rust

    facebook/ocamlrep’s past year of commit activity
    Rust 140 MIT 24 0 5 Updated Feb 6, 2026
  • CacheLib Public

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

    facebook/CacheLib’s past year of commit activity
    C++ 1,494 Apache-2.0 314 15 29 Updated Feb 6, 2026
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