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    153 repositories

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •322•6.6k•223•46•Updated Oct 29, 2025Oct 29, 2025

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •357•924•25•54•Updated Oct 29, 2025Oct 29, 2025

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      phphackhhvmhacklang
      C++
      •
      Other
      •3.1k•19k•407•96•Updated Oct 29, 2025Oct 29, 2025

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.8k•30k•301•111•Updated Oct 29, 2025Oct 29, 2025

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •675•6.2k•56•17•Updated Oct 29, 2025Oct 29, 2025

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•618•15•Updated Oct 29, 2025Oct 29, 2025

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck
      Rust
      •
      MIT License
      •165•4.1k•359•16•Updated Oct 29, 2025Oct 29, 2025

    • dotslash

      Public
      Simplified executable deployment
      Rust
      •
      Apache License 2.0
      •39•766•15•4•Updated Oct 29, 2025Oct 29, 2025

    • openbmc

      Public
      OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
      C
      •
      Apache License 2.0
      •303•665•43•6•Updated Oct 29, 2025Oct 29, 2025

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•21•10•Updated Oct 29, 2025Oct 29, 2025

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •2k•22k•520•27•Updated Oct 29, 2025Oct 29, 2025

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •301•4.1k•261•36•Updated Oct 29, 2025Oct 29, 2025

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •276•1.6k•36•5•Updated Oct 29, 2025Oct 29, 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
      •197•3.1k•5•1•Updated Oct 29, 2025Oct 29, 2025

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •52•59•1•1•Updated Oct 29, 2025Oct 29, 2025

    • react-native

      Public
      A framework for building native applications using React
      reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development
      C++
      •
      MIT License
      •25k•124k•685•400•Updated Oct 29, 2025Oct 29, 2025

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •628•2.7k•42•4•Updated Oct 29, 2025Oct 29, 2025

    • fresco

      Public
      An Android library for managing images and the memory they use.
      Java
      •
      MIT License
      •3.8k•17k•242•11•Updated Oct 29, 2025Oct 29, 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•58•5•7•Updated Oct 29, 2025Oct 29, 2025

    • openzl

      Public
      A novel data compression framework
      C
      •
      Other
      •104•2.6k•29•25•Updated Oct 29, 2025Oct 29, 2025

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •349•8.8k•72•17•Updated Oct 28, 2025Oct 28, 2025

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •50k•240k•814•228•Updated Oct 28, 2025Oct 28, 2025

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •245•920•11•9•Updated Oct 28, 2025Oct 28, 2025

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      C++
      •
      MIT License
      •714•11k•118•73•Updated Oct 28, 2025Oct 28, 2025

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1k•13k•216•40•Updated Oct 28, 2025Oct 28, 2025

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•614•157•Updated Oct 28, 2025Oct 28, 2025

    • mcrouter

      Public
      Mcrouter is a memcached protocol router for scaling memcached deployments.
      C++
      •
      MIT License
      •550•3.3k•97•20•Updated Oct 28, 2025Oct 28, 2025

    • rocksdb

      Public
      A library that provides an embeddable, persistent key-value store for fast storage.
      databasestorage-engine
      C++
      •
      GNU General Public License v2.0
      •6.6k•31k•794•521•Updated Oct 28, 2025Oct 28, 2025

    • FAI-PEP

      Public
      Facebook AI Performance Evaluation Platform
      Python
      •
      Apache License 2.0
      •88•392•11•34•Updated Oct 28, 2025Oct 28, 2025

    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      •
      MIT License
      •349•2.6k•21•89•Updated Oct 28, 2025Oct 28, 2025