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  1. react Public

    The library for web and native user interfaces.

    JavaScript 239k 49.3k

  2. react-native Public

    A framework for building native applications using React

    C++ 124k 24.9k

  3. docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 61.8k 9.4k

  4. hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.5k 3.1k

  5. zstd Public

    Zstandard - Fast real-time compression algorithm

    C 25.6k 2.3k

  6. lexical Public

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

    TypeScript 22.1k 2k

Repositories

Showing 10 of 151 repositories
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18,492 3,055 408 96 Updated Sep 17, 2025
  • fbthrift Public

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

    C++ 2,650 Apache-2.0 625 39 4 Updated Sep 17, 2025
  • flow Public

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

    OCaml 22,185 MIT 1,881 620 (2 issues need help) 14 Updated Sep 17, 2025
  • CacheLib Public

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

    C++ 1,425 Apache-2.0 302 14 18 Updated Sep 17, 2025
  • buck2 Public

    Build system, successor to Buck

    Rust 4,075 Apache-2.0 294 254 25 Updated Sep 17, 2025
  • mcrouter Public

    Mcrouter is a memcached protocol router for scaling memcached deployments.

    C++ 3,309 MIT 548 97 20 Updated Sep 17, 2025
  • folly Public

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

    C++ 29,862 Apache-2.0 5,779 300 111 Updated Sep 17, 2025
  • watchman Public

    Watches files and records, or triggers actions, when they change.

    C++ 13,272 MIT 1,038 215 39 Updated Sep 17, 2025
  • pyrefly Public

    A fast type checker and language server for Python

    Rust 3,655 MIT 151 285 (20 issues need help) 8 Updated Sep 17, 2025
  • mariana-trench Public

    A security focused static analysis tool for Android and Java applications.

    C++ 1,185 MIT 152 50 3 Updated Sep 17, 2025
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