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    147 repositories

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      hacklangphphackhhvm
      C++
      •
      Other
      •3k•18k•453•91•Updated May 1, 2025May 1, 2025

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •613•2.6k•33•1•Updated May 1, 2025May 1, 2025

    • react-native

      Public
      A framework for building native applications using React
      mobilecross-platformapp-frameworkmobile-developmentreactandroidiosreact-native
      C++
      •
      MIT License
      •25k•122k•619•310•Updated May 1, 2025May 1, 2025

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •258•3.8k•211•17•Updated May 1, 2025May 1, 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
      •152•232•91•53•Updated May 1, 2025May 1, 2025

    • react

      Public
      The library for web and native user interfaces.
      libraryfrontenddeclarativereactjavascriptui
      JavaScript
      •
      MIT License
      •48k•235k•813•204•Updated May 1, 2025May 1, 2025

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Java
      •
      Apache License 2.0
      •42•57•1•1•Updated May 1, 2025May 1, 2025

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •324•891•21•64•Updated May 1, 2025May 1, 2025

    • pyrefly

      Public
      A fast type checker and IDE for Python
      Rust
      •
      MIT License
      •16•358•57•0•Updated May 1, 2025May 1, 2025

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      C++
      •
      MIT License
      •675•10k•113•68•Updated May 1, 2025May 1, 2025

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •323•8.6k•47•13•Updated May 1, 2025May 1, 2025

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      cppcacheconcurrencyssdcache-engineperformance
      C++
      •
      Apache License 2.0
      •277•1.3k•14•20•Updated May 1, 2025May 1, 2025

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •298•6.4k•236•29•Updated May 1, 2025May 1, 2025

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•668•15•Updated May 1, 2025May 1, 2025

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •1.9k•21k•473•28•Updated May 1, 2025May 1, 2025

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.8k•19k•589•151•Updated May 1, 2025May 1, 2025

    • metro

      Public
      🚇 The JavaScript bundler for React Native
      javascriptbundlerreact-native
      JavaScript
      •
      MIT License
      •650•5.4k•338•49•Updated May 1, 2025May 1, 2025

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.7k•29k•279•98•Updated May 1, 2025May 1, 2025

    • buck2-shims-meta

      Public
      Shims to convert Meta internal buck2 macros/targets for open source build compatibility.
      Starlark
      •
      Apache License 2.0
      •1•3•0•0•Updated May 1, 2025May 1, 2025

    • ocamlrep

      Public
      Sets of libraries and tools to write applications and libraries mixing OCaml and Rust. These libraries will help keeping your types and data structures synchronized, and enable seamless exchange between OCaml and Rust
      Rust
      •
      MIT License
      •21•131•0•4•Updated May 1, 2025May 1, 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
      •183•3.1k•3•0•Updated May 1, 2025May 1, 2025

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •256•1.6k•31•5•Updated May 1, 2025May 1, 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
      •52•50•5•1•Updated May 1, 2025May 1, 2025

    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      •
      MIT License
      •325•2.5k•25•92•Updated Apr 30, 2025Apr 30, 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 Apr 30, 2025Apr 30, 2025

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •668•6.1k•56•20•Updated Apr 30, 2025Apr 30, 2025

    • litho

      Public
      A declarative framework for building efficient UIs on Android.
      Kotlin
      •
      Apache License 2.0
      •761•7.7k•56•44•Updated Apr 30, 2025Apr 30, 2025

    • memlab

      Public
      A framework for finding JavaScript memory leaks and analyzing heap snapshots
      nodejsperformancefacebookv8memorysnapshotdetectore2eheaphermes
      JavaScript
      •
      MIT License
      •129•4.5k•10•1•Updated Apr 30, 2025Apr 30, 2025

    • lexical-ios

      Public
      Lexical iOS is an extensible text editor framework that integrates the APIs and philosophies from Lexical Web with a Swift API built on top of TextKit.
      Swift
      •
      MIT License
      •45•585•17•11•Updated Apr 30, 2025Apr 30, 2025

    • FAI-PEP

      Public
      Facebook AI Performance Evaluation Platform
      Python
      •
      Apache License 2.0
      •87•389•11•34•Updated Apr 30, 2025Apr 30, 2025