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    150 repositories

    • docusaurus

      Public
      Easy to maintain open source documentation websites.
      reactjavascriptopen-sourcewebsitedocumentationhacktoberfest
      TypeScript
      •
      MIT License
      •9.3k•61k•293•53•Updated Jul 31, 2025Jul 31, 2025

    • pyrefly

      Public
      A fast type checker and IDE for Python
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualitytypechecktype-checker
      Rust
      •
      MIT License
      •131•3.4k•233•11•Updated Jul 31, 2025Jul 31, 2025

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •342•913•24•80•Updated Jul 31, 2025Jul 31, 2025

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •266•1.6k•35•3•Updated Jul 31, 2025Jul 31, 2025

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •285•4k•243•20•Updated Jul 31, 2025Jul 31, 2025

    • facebook-for-woocommerce

      Public
      The official plugin from Meta. This repository is now officially maintained by Meta's engineering team. We welcome and encourage contributions from the community.
      PHP
      •
      GNU General Public License v2.0
      •161•242•110•69•Updated Jul 31, 2025Jul 31, 2025

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •49•58•1•1•Updated Jul 31, 2025Jul 31, 2025

    • react-native

      Public
      A framework for building native applications using React
      mobilecross-platformapp-frameworkmobile-developmentreactandroidiosreact-native
      C++
      •
      MIT License
      •25k•123k•645•418•Updated Jul 31, 2025Jul 31, 2025

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      hacklangphphackhhvm
      C++
      •
      Other
      •3k•18k•407•92•Updated Jul 31, 2025Jul 31, 2025

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •623•2.6k•36•6•Updated Jul 31, 2025Jul 31, 2025

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.7k•30k•293•101•Updated Jul 31, 2025Jul 31, 2025

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •315•6.5k•213•35•Updated Jul 31, 2025Jul 31, 2025

    • openbmc

      Public
      OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
      C
      •296•658•42•6•Updated Jul 31, 2025Jul 31, 2025

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•658•14•Updated Jul 31, 2025Jul 31, 2025

    • OpenBIC

      Public
      BICs (Bridge IC) are standalone devices deployed within a Data Center that enable monitoring a multi-host system using a single BMC device.
      C
      •
      Apache License 2.0
      •54•52•5•3•Updated Jul 31, 2025Jul 31, 2025

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•20•4•Updated Jul 31, 2025Jul 31, 2025

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •2k•22k•499•36•Updated Jul 31, 2025Jul 31, 2025

    • fresco

      Public
      An Android library for managing images and the memory they use.
      Java
      •
      MIT License
      •3.8k•17k•242•11•Updated Jul 31, 2025Jul 31, 2025

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      cppcacheconcurrencyssdcache-engineperformance
      C++
      •
      Apache License 2.0
      •295•1.4k•14•16•Updated Jul 31, 2025Jul 31, 2025

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •673•6.2k•56•17•Updated Jul 31, 2025Jul 31, 2025

    • igl

      Public
      Intermediate Graphics Library (IGL) is a cross-platform library that commands the GPU. It provides a single low-level cross-platform interface on top of various graphics APIs (e.g. OpenGL, Metal and Vulkan).
      C++
      •
      Other
      •185•3.1k•5•0•Updated Jul 31, 2025Jul 31, 2025

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •49k•238k•804•220•Updated Jul 31, 2025Jul 31, 2025

    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      •
      MIT License
      •341•2.5k•21•101•Updated Jul 31, 2025Jul 31, 2025

    • react-strict-dom

      Public
      React Strict DOM (RSD) standardizes the development of styled React components for web and native.
      JavaScript
      •
      MIT License
      •178•3.4k•42•8•Updated Jul 31, 2025Jul 31, 2025

    • mariana-trench

      Public
      A security focused static analysis tool for Android and Java applications.
      C++
      •
      MIT License
      •150•1.2k•50•3•Updated Jul 31, 2025Jul 31, 2025

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      C++
      •
      MIT License
      •697•10k•118•70•Updated Jul 31, 2025Jul 31, 2025

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•594•149•Updated Jul 31, 2025Jul 31, 2025

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •245•918•10•8•Updated Jul 31, 2025Jul 31, 2025

    • buck2-shims-meta

      Public
      Shims to convert Meta internal buck2 macros/targets for open source build compatibility.
      Starlark
      •
      Apache License 2.0
      •4•3•0•0•Updated Jul 30, 2025Jul 30, 2025

    • capi-param-builder

      Public
      Conversions API parameter builder to help enhance the parameter qualities for Conversions API events
      Java
      •
      Other
      •2•0•0•0•Updated Jul 30, 2025Jul 30, 2025