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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.2k 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 13,044 MIT 1,123 215 (2 issues need help) 194 Updated Sep 15, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 6,964 MIT 516 551 (40 issues need help) 171 Updated Sep 14, 2026
  • folly Public

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

    facebook/folly's past year of commit activity
    C++ 30,538 Apache-2.0 5,880 326 152 Updated Sep 15, 2026
  • hhvm Public

    A virtual machine for executing programs written in Hack.

    facebook/hhvm's past year of commit activity
    C++ 18,660 3,070 410 136 Updated Sep 15, 2026
  • watchman Public

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

    facebook/watchman's past year of commit activity
    C++ 13,699 MIT 1,066 222 36 Updated Sep 15, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 990 409 25 183 Updated Sep 15, 2026
  • flow Public

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

    facebook/flow's past year of commit activity
    Rust 22,287 MIT 1,893 510 (1 issue needs help) 6 Updated Sep 15, 2026
  • DNE-TaaC Public

    TAAC (Test-As-A-Config) is a thrift-defined integration test framework for validating datacenter network products and platforms.

    facebook/DNE-TaaC's past year of commit activity
    Python 3 Apache-2.0 5 0 17 Updated Sep 15, 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-2.0 648 47 9 Updated Sep 15, 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 23,852 MIT 2,222 279 (2 issues need help) 17 Updated Sep 15, 2026
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