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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 9.7k

  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 26.7k 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-prelude Public

    Prelude for the Buck2 project

    facebook/buck2-prelude’s past year of commit activity
    Starlark 61 Apache-2.0 61 1 1 Updated Feb 21, 2026
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,605 3,076 410 112 Updated Feb 21, 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++ 8,332 1,526 24 15 Updated Feb 21, 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 5,847 310 132 Updated Feb 21, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,393 MIT 278 386 (29 issues need help) 64 Updated Feb 21, 2026
  • rocksdb Public

    A library that provides an embeddable, persistent key-value store for fast storage.

    facebook/rocksdb’s past year of commit activity
    C++ 31,573 GPL-2.0 6,738 844 568 Updated Feb 21, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling’s past year of commit activity
    Rust 6,737 GPL-2.0 346 232 (4 issues need help) 63 Updated Feb 21, 2026
  • fbthrift Public

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

    facebook/fbthrift’s past year of commit activity
    C++ 2,678 Apache-2.0 629 44 5 Updated Feb 21, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2’s past year of commit activity
    Rust 4,260 Apache-2.0 329 281 76 Updated Feb 21, 2026
  • dns Public

    Collection of Meta's DNS Libraries

    facebook/dns’s past year of commit activity
    Go 291 Apache-2.0 31 4 0 Updated Feb 21, 2026
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