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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.4k 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 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 181 repositories
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,552 MIT 1,157 257 (1 issue needs help) 272 Updated Oct 6, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,455 Apache-2.0 402 296 113 Updated Oct 6, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,049 MIT 538 540 (41 issues need help) 159 Updated Oct 6, 2026
  • starlark-rust Public

    A Rust implementation of the Starlark language

    facebook/starlark-rust's past year of commit activity
    Rust 1,032 Apache-2.0 115 27 16 Updated Oct 6, 2026
  • FBRetainCycleDetector Public

    iOS library to help detecting retain cycles in runtime.

    facebook/FBRetainCycleDetector's past year of commit activity
    Objective-C++ 4,225 601 36 7 Updated Oct 6, 2026
  • Lifeguard Public

    Lifeguard is a static analyzer to detect Lazy Imports incompatibilities and ease the adoption overhead for Lazy Imports in Python

    facebook/Lifeguard's past year of commit activity
    Python 91 MIT 11 1 5 Updated Oct 6, 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 Oct 6, 2026
  • hermes Public

    A JavaScript engine optimized for running React Native.

    facebook/hermes's past year of commit activity
    JavaScript 11,337 MIT 874 144 123 Updated Oct 7, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 991 413 26 154 Updated Oct 6, 2026
  • redex Public

    A bytecode optimizer for Android apps

    facebook/redex's past year of commit activity
    C++ 6,306 MIT 681 56 (2 issues need help) 18 Updated Oct 6, 2026
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