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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
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly’s past year of commit activity
    Rust 5,294 MIT 265 379 (32 issues need help) 71 Updated Feb 8, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss’s past year of commit activity
    C++ 951 377 25 124 Updated Feb 8, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling’s past year of commit activity
    Rust 6,724 GPL-2.0 340 230 (4 issues need help) 61 Updated Feb 8, 2026
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm’s past year of commit activity
    C++ 18,602 3,076 409 108 Updated Feb 8, 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 8, 2026
  • dotslash Public

    Simplified executable deployment

    facebook/dotslash’s past year of commit activity
    Rust 806 Apache-2.0 50 15 3 Updated Feb 8, 2026
  • react-native Public

    A framework for building native applications using React

    facebook/react-native’s past year of commit activity
    C++ 125,316 MIT 25,078 738 (26 issues need help) 437 Updated Feb 8, 2026
  • pyre-check Public

    Performant type-checking for python.

    facebook/pyre-check’s past year of commit activity
    OCaml 7,144 MIT 452 131 22 Updated Feb 8, 2026
  • pyrefly-pre-commit Public

    A pre-commit hook for Pyrefly.

    facebook/pyrefly-pre-commit’s past year of commit activity
    Python 20 MIT 4 1 0 Updated Feb 8, 2026
  • Ax Public

    Adaptive Experimentation Platform

    facebook/Ax’s past year of commit activity
    Python 2,701 MIT 357 36 137 Updated Feb 8, 2026