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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.5k 10.1k

  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 28k 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 181 repositories
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,466 Apache-2.0 407 300 118 Updated Oct 13, 2026
  • astryx Public

    An open source design system that's fully customizable and agent ready

    facebook/astryx's past year of commit activity
    TypeScript 13,619 MIT 1,173 262 (1 issue needs help) 271 Updated Oct 13, 2026
  • starlark-rust Public

    A Rust implementation of the Starlark language

    facebook/starlark-rust's past year of commit activity
    Rust 1,034 Apache-2.0 116 27 18 Updated Oct 13, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,083 MIT 548 562 (37 issues need help) 154 Updated Oct 13, 2026
  • ThreatExchange Public

    Trust & Safety tools for working together to fight digital harms.

    facebook/ThreatExchange's past year of commit activity
    C++ 1,396 361 49 (10 issues need help) 10 Updated Oct 13, 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++ 32,192 GPL-2.0 6,956 953 778 Updated Oct 13, 2026
  • meta-ray-ban-display-ui-toolkit-web Public

    UI Toolkit brings the Meta Ray-Ban Display design system to React. Use its components, semantic tokens, materials, motion, accessibility behavior, and directional focus navigation to build interfaces that stay consistent across applications.

    facebook/meta-ray-ban-display-ui-toolkit-web's past year of commit activity
    TypeScript 19 Apache-2.0 0 1 0 Updated Oct 13, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 992 414 26 168 Updated Oct 13, 2026
  • folly Public

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

    facebook/folly's past year of commit activity
    C++ 30,549 Apache-2.0 5,880 331 152 Updated Oct 13, 2026
  • fbthrift Public

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

    facebook/fbthrift's past year of commit activity
    C++ 2,698 Apache-2.0 646 45 5 Updated Oct 13, 2026
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