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We are working to build community through open source technology. NB: members must have two-factor auth.

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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
  • astryx Public

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

    meta/astryx's past year of commit activity
    TypeScript 13,817 MIT 1,135 335 (1 issue needs help) 513 Updated Nov 1, 2026
  • fbthrift Public

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

    meta/fbthrift's past year of commit activity
    C++ 2,701 Apache-2.0 649 45 7 Updated Nov 1, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    meta/fboss's past year of commit activity
    C++ 1,001 417 26 221 Updated Nov 1, 2026
  • proxygen Public

    A collection of C++ HTTP libraries including an easy to use HTTP server.

    meta/proxygen's past year of commit activity
    C++ 8,381 1,531 25 21 Updated Nov 1, 2026
  • watchman Public

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

    meta/watchman's past year of commit activity
    C++ 13,758 MIT 1,077 224 39 Updated Nov 1, 2026
  • folly Public

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

    meta/folly's past year of commit activity
    C++ 30,554 Apache-2.0 5,879 331 156 Updated Nov 1, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    meta/sapling's past year of commit activity
    Rust 7,228 GPL-2.0 415 244 (4 issues need help) 136 Updated Nov 1, 2026
  • lexical Public

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

    meta/lexical's past year of commit activity
    TypeScript 23,989 MIT 2,276 361 (2 issues need help) 95 Updated Nov 1, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    meta/pyrefly's past year of commit activity
    Rust 7,173 MIT 581 555 (26 issues need help) 109 Updated Nov 1, 2026
  • buck2 Public

    Build system, successor to Buck

    meta/buck2's past year of commit activity
    Rust 4,508 Apache-2.0 420 300 126 Updated Nov 1, 2026
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