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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 2.6k

  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 183 repositories
  • sapling Public

    A Scalable, User-Friendly Source Control System.

    facebook/sapling's past year of commit activity
    Rust 7,186 GPL-2.0 412 243 (4 issues need help) 134 Updated Oct 22, 2026
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,720 MIT 1,120 277 (1 issue needs help) 246 Updated Oct 22, 2026
  • flow Public

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

    facebook/flow's past year of commit activity
    Rust 22,304 MIT 1,893 507 (1 issue needs help) 5 Updated Oct 22, 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 22, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,483 Apache-2.0 415 302 125 Updated Oct 22, 2026
  • haptics-studio Public

    Haptics Studio is our desktop application for designing haptics.

    facebook/haptics-studio's past year of commit activity
    TypeScript 57 MIT 11 1 1 Updated Oct 22, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,123 MIT 565 587 (35 issues need help) 158 Updated Oct 22, 2026
  • litho Public

    A declarative framework for building efficient UIs on Android.

    facebook/litho's past year of commit activity
    Kotlin 7,799 Apache-2.0 769 60 56 Updated Oct 22, 2026
  • prophet Public

    Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.

    facebook/prophet's past year of commit activity
    Python 20,448 MIT 4,638 447 (7 issues need help) 4 Updated Oct 22, 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 5,382 MIT 511 177 (4 issues need help) 16 Updated Oct 22, 2026
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