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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.4k 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 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 178 repositories
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,481 MIT 1,162 236 (1 issue needs help) 253 Updated Sep 28, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,446 Apache-2.0 403 297 108 Updated Sep 28, 2026
  • folly Public

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

    facebook/folly's past year of commit activity
    C++ 30,550 Apache-2.0 5,877 329 152 Updated Sep 28, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,022 MIT 523 534 (39 issues need help) 151 Updated Sep 28, 2026
  • idb Public

    idb is a flexible command line interface for automating iOS simulators and devices

    facebook/idb's past year of commit activity
    Swift 5,345 MIT 506 173 (4 issues need help) 6 Updated Sep 29, 2026
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,026 GPL-2.0 402 241 (4 issues need help) 141 Updated Sep 28, 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 5 Updated Sep 28, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 991 410 26 147 Updated Sep 28, 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++ 32,146 GPL-2.0 6,940 943 743 Updated Sep 28, 2026
  • dotslash Public

    Simplified executable deployment

    facebook/dotslash's past year of commit activity
    Rust 906 Apache-2.0 77 22 8 Updated Sep 28, 2026
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