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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
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,329 MIT 1,150 233 (1 issue needs help) 202 Updated Sep 23, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 990 409 26 153 Updated Sep 23, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,002 MIT 519 545 (39 issues need help) 156 Updated Sep 23, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,436 Apache-2.0 397 297 105 Updated Sep 23, 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 5,881 329 150 Updated Sep 23, 2026
  • flow Public

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

    facebook/flow's past year of commit activity
    Rust 22,293 MIT 1,894 508 (1 issue needs help) 6 Updated Sep 23, 2026
  • buck2-prelude Public

    Prelude for the Buck2 project

    facebook/buck2-prelude's past year of commit activity
    Starlark 73 Apache-2.0 69 1 1 Updated Sep 23, 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-2.0 647 46 4 Updated Sep 23, 2026
  • redex Public

    A bytecode optimizer for Android apps

    facebook/redex's past year of commit activity
    C++ 6,301 MIT 682 56 (2 issues need help) 18 Updated Sep 23, 2026
  • dotslash Public

    Simplified executable deployment

    facebook/dotslash's past year of commit activity
    Rust 905 Apache-2.0 76 21 8 Updated Sep 23, 2026