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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.3k 10k

  2. hhvm hhvm Public

    A virtual machine for executing programs written in Hack.

    C++ 18.7k 3.1k

  3. zstd zstd Public

    Zstandard - Fast real-time compression algorithm

    C 27.9k 2.6k

  4. lexical lexical Public

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

    TypeScript 23.9k 2.2k

Repositories

Showing 10 of 177 repositories
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 6,975 MIT 519 540 (39 issues need help) 164 Updated Sep 18, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,427 Apache-2.0 397 299 101 Updated Sep 18, 2026
  • igl Public

    Intermediate Graphics Library (IGL) is a cross-platform library that commands the GPU. It provides a single low-level cross-platform interface on top of various graphics APIs (e.g. OpenGL, Metal and Vulkan).

    facebook/igl's past year of commit activity
    C++ 3,233 220 0 2 Updated Sep 18, 2026
  • stylex Public

    StyleX is the styling system for ambitious user interfaces.

    facebook/stylex's past year of commit activity
    JavaScript 10,327 MIT 483 123 (11 issues need help) 126 Updated Sep 18, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,013 GPL-2.0 400 239 (4 issues need help) 135 Updated Sep 18, 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++ 8,381 1,531 25 16 Updated Sep 18, 2026
  • redex Public

    A bytecode optimizer for Android apps

    facebook/redex's past year of commit activity
    C++ 6,301 MIT 681 56 (2 issues need help) 17 Updated Sep 18, 2026
  • mcrouter Public

    Mcrouter is a memcached protocol router for scaling memcached deployments.

    facebook/mcrouter's past year of commit activity
    C++ 3,333 MIT 555 97 19 Updated Sep 18, 2026
  • folly Public

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

    facebook/folly's past year of commit activity
    C++ 30,543 Apache-2.0 5,881 328 151 Updated Sep 18, 2026
  • rebalancer Public

    Rebalancer is a domain-specific language and tool for specifying and solving assignment problems (eg, putting balls in boxes with complex rules).

    facebook/rebalancer's past year of commit activity
    C++ 22 Apache-2.0 5 0 3 Updated Sep 18, 2026
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