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  1. docusaurus docusaurus Public

    Easy to maintain open source documentation websites.

    TypeScript 66.5k 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 182 repositories
  • astryx Public

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

    facebook/astryx's past year of commit activity
    TypeScript 13,711 MIT 1,119 258 (1 issue needs help) 272 Updated Oct 21, 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 23,972 MIT 2,255 292 (2 issues need help) 52 Updated Oct 21, 2026
  • docusaurus Public

    Easy to maintain open source documentation websites.

    facebook/docusaurus's past year of commit activity
    TypeScript 66,541 MIT 10,096 275 (1 issue needs help) 155 Updated Oct 21, 2026
  • ai_simulation Public

    AI simulation is the cohort of software tools we have built at Meta for modeling and simulation of AI clusters including but not limited to PackSim, which is a packet-level AI network simulator generating various performance metrics like collective completion times, link utilizations, dropped packets, as a function of AI workloads and topologies.

    facebook/ai_simulation's past year of commit activity
    C++ 0 0 0 0 Updated Oct 21, 2026
  • pyrefly Public

    A fast type checker and language server for Python

    facebook/pyrefly's past year of commit activity
    Rust 7,119 MIT 564 577 (35 issues need help) 154 Updated Oct 21, 2026
  • openr Public

    Distributed platform for building autonomic network functions.

    facebook/openr's past year of commit activity
    C++ 939 MIT 254 11 10 Updated Oct 21, 2026
  • fbthrift Public

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

    facebook/fbthrift's past year of commit activity
    C++ 2,698 Apache-2.0 648 45 6 Updated Oct 21, 2026
  • buck2 Public

    Build system, successor to Buck

    facebook/buck2's past year of commit activity
    Rust 4,481 Apache-2.0 414 302 125 Updated Oct 21, 2026
  • fboss Public

    Facebook Open Switching System Software for controlling network switches.

    facebook/fboss's past year of commit activity
    C++ 994 415 26 195 Updated Oct 21, 2026
  • redex Public

    A bytecode optimizer for Android apps

    facebook/redex's past year of commit activity
    C++ 6,313 MIT 681 56 (2 issues need help) 18 Updated Oct 21, 2026
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