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    147 repositories

    • react

      Public
      The library for web and native user interfaces.
      libraryfrontenddeclarativereactjavascriptui
      JavaScript
      •
      MIT License
      •48k•235k•817•208•Updated May 6, 2025May 6, 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
      •151•234•92•54•Updated May 6, 2025May 6, 2025

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •299•6.4k•236•30•Updated May 6, 2025May 6, 2025

    • pyrefly

      Public
      A fast type checker and IDE for Python
      Rust
      •
      MIT License
      •20•565•61•1•Updated May 6, 2025May 6, 2025

    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      •
      MIT License
      •325•2.5k•25•90•Updated May 6, 2025May 6, 2025

    • react-native

      Public
      A framework for building native applications using React
      mobilecross-platformapp-frameworkmobile-developmentreactandroidiosreact-native
      C++
      •
      MIT License
      •25k•122k•622•327•Updated May 6, 2025May 6, 2025

    • docusaurus

      Public
      Easy to maintain open source documentation websites.
      reactjavascriptopen-sourcewebsitedocumentationhacktoberfest
      TypeScript
      •
      MIT License
      •9k•60k•297•62•Updated May 6, 2025May 6, 2025

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •261•3.8k•214•21•Updated May 6, 2025May 6, 2025

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Java
      •
      Apache License 2.0
      •43•57•1•1•Updated May 6, 2025May 6, 2025

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •257•1.6k•31•4•Updated May 6, 2025May 6, 2025

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•666•15•Updated May 6, 2025May 6, 2025

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      hacklangphphackhhvm
      C++
      •
      Other
      •3k•18k•453•91•Updated May 6, 2025May 6, 2025

    • dns

      Public
      Collection of Meta's DNS Libraries
      Go
      •
      Apache License 2.0
      •26•275•4•0•Updated May 6, 2025May 6, 2025

    • starlark-rust

      Public
      A Rust implementation of the Starlark language
      Rust
      •
      Apache License 2.0
      •69•795•23•6•Updated May 6, 2025May 6, 2025

    • metro

      Public
      🚇 The JavaScript bundler for React Native
      javascriptbundlerreact-native
      JavaScript
      •
      MIT License
      •651•5.4k•338•50•Updated May 6, 2025May 6, 2025

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      C++
      •
      MIT License
      •675•10k•114•68•Updated May 6, 2025May 6, 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
      •182•3.1k•3•0•Updated May 6, 2025May 6, 2025

    • pyre-check

      Public
      Performant type-checking for python.
      pythonsecuritytypecheckerstatic-analysisocamlcontrol-flow-analysiscode-qualityprogram-analysistaint-analysisabstract-interpretation
      OCaml
      •
      MIT License
      •447•7k•124•20•Updated May 6, 2025May 6, 2025

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •325•8.6k•52•11•Updated May 6, 2025May 6, 2025

    • facebook-java-business-sdk

      Public
      Java SDK for Meta Marketing APIs
      Java
      •
      Other
      •330•415•46•17•Updated May 6, 2025May 6, 2025

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •668•6.1k•56•19•Updated May 6, 2025May 6, 2025

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •324•892•21•66•Updated May 6, 2025May 6, 2025

    • openbmc

      Public
      OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
      C
      •286•646•41•6•Updated May 6, 2025May 6, 2025

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.7k•29k•280•97•Updated May 6, 2025May 6, 2025

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •1.9k•21k•470•26•Updated May 6, 2025May 6, 2025

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•585•146•Updated May 6, 2025May 6, 2025

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      cppcacheconcurrencyssdcache-engineperformance
      C++
      •
      Apache License 2.0
      •278•1.3k•14•20•Updated May 6, 2025May 6, 2025

    • rocksdb

      Public
      A library that provides an embeddable, persistent key-value store for fast storage.
      storage-enginedatabase
      C++
      •
      GNU General Public License v2.0
      •6.5k•30k•730•449•Updated May 6, 2025May 6, 2025

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •613•2.6k•34•5•Updated May 5, 2025May 5, 2025

    • facebook360_dep

      Public
      Facebook360 Depth Estimation Pipeline - https://facebook.github.io/facebook360_dep
      HTML
      •
      Other
      •51•249•19•2•Updated May 5, 2025May 5, 2025