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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.6k 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 28.1k 2.7k

  4. lexical lexical Public

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

    TypeScript 24k 2.3k

Repositories

Showing 10 of 185 repositories
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,156 MIT 578 583 (32 issues need help) 153 Updated Oct 28, 2026
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,782 MIT 1,133 267 (1 issue needs help) 589 Updated Oct 28, 2026
  • lexical Public

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

    facebook/lexical's past year of commit activity
    TypeScript 23,984 MIT 2,272 302 (2 issues need help) 81 Updated Oct 28, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 999 417 26 210 Updated Oct 28, 2026
  • watchman Public

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

    facebook/watchman's past year of commit activity
    C++ 13,756 MIT 1,075 224 38 Updated Oct 28, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,216 GPL-2.0 414 244 (4 issues need help) 134 Updated Oct 28, 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++ 468 Apache-2.0 47 0 11 Updated Oct 28, 2026
  • wangle Public

    Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

    facebook/wangle's past year of commit activity
    C++ 3,093 Apache-2.0 545 34 14 Updated Oct 28, 2026
  • fbthrift Public

    Meta's Thrift implementation: cross-language serialization and high-performance async RPC

    facebook/fbthrift's past year of commit activity
    C++ 2,700 Apache-2.0 648 45 7 Updated Oct 28, 2026
  • folly Public

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

    facebook/folly's past year of commit activity
    C++ 30,552 Apache-2.0 5,877 332 155 Updated Oct 28, 2026
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