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    158 repositories

    • react

      Public
      The library for web and native user interfaces.
      reactjavascriptlibraryuifrontenddeclarative
      JavaScript
      •
      MIT License
      •50k•241k•858•242•Updated Dec 7, 2025Dec 7, 2025

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •363•9k•76•20•Updated Dec 7, 2025Dec 7, 2025

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      performancecppcacheconcurrencyssdcache-engine
      C++
      •
      Apache License 2.0
      •303•1.5k•15•19•Updated Dec 6, 2025Dec 6, 2025

    • fb303

      Public
      fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.
      C++
      •
      Apache License 2.0
      •58•84•6•12•Updated Dec 6, 2025Dec 6, 2025

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •361•935•25•75•Updated Dec 6, 2025Dec 6, 2025

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      phphackhhvmhacklang
      C++
      •
      Other
      •3.1k•19k•409•117•Updated Dec 6, 2025Dec 6, 2025

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1k•13k•210•21•Updated Dec 6, 2025Dec 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
      •197•3.1k•4•5•Updated Dec 6, 2025Dec 6, 2025

    • mvfst

      Public
      An implementation of the QUIC transport protocol.
      C++
      •
      MIT License
      •273•1.6k•37•6•Updated Dec 6, 2025Dec 6, 2025

    • openr

      Public
      Distributed platform for building autonomic network functions.
      C++
      •
      MIT License
      •243•923•10•9•Updated Dec 6, 2025Dec 6, 2025

    • mcrouter

      Public
      Mcrouter is a memcached protocol router for scaling memcached deployments.
      C++
      •
      MIT License
      •547•3.3k•97•20•Updated Dec 6, 2025Dec 6, 2025

    • pyrefly

      Public
      A fast type checker and language server for Python
      pythonrusttypecheckertypeslanguage-serveridetypingcode-qualityhacktoberfesttypecheck
      Rust
      •
      MIT License
      •213•4.9k•394•28•Updated Dec 6, 2025Dec 6, 2025

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •325•6.6k•226•55•Updated Dec 6, 2025Dec 6, 2025

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.8k•30k•305•112•Updated Dec 6, 2025Dec 6, 2025

    • wangle

      Public
      Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.
      C++
      •
      Apache License 2.0
      •546•3.1k•34•11•Updated Dec 6, 2025Dec 6, 2025

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.3k•22•11•Updated Dec 6, 2025Dec 6, 2025

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •623•2.7k•44•5•Updated Dec 6, 2025Dec 6, 2025

    • kuduraft

      Public
      A Raft Library in C++ based on the Raft implementation in Apache Kudu
      C++
      •
      Apache License 2.0
      •657•141•0•0•Updated Dec 6, 2025Dec 6, 2025

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•611•16•Updated Dec 6, 2025Dec 6, 2025

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •307•4.2k•270•36•Updated Dec 6, 2025Dec 6, 2025

    • react-native

      Public
      A framework for building native applications using React
      reactandroidiosmobilereact-nativecross-platformapp-frameworkmobile-development
      C++
      •
      MIT License
      •25k•125k•706•432•Updated Dec 6, 2025Dec 6, 2025

    • pyrefly-pre-commit

      Public
      A pre-commit hook for Pyrefly.
      Python
      •
      MIT License
      •2•11•1•0•Updated Dec 6, 2025Dec 6, 2025

    • infer

      Public
      A static analyzer for Java, C, C++, and Objective-C
      cjavaobjective-ccppstatic-code-analysisstatic-analysiscode-quality
      OCaml
      •
      MIT License
      •2.1k•15k•389•6•Updated Dec 6, 2025Dec 6, 2025

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.9k•19k•613•166•Updated Dec 6, 2025Dec 6, 2025

    • metro

      Public
      🚇 The JavaScript bundler for React Native
      javascriptbundlerreact-native
      JavaScript
      •
      MIT License
      •671•5.5k•357•64•Updated Dec 6, 2025Dec 6, 2025

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      C++
      •
      MIT License
      •714•11k•121•78•Updated Dec 6, 2025Dec 6, 2025

    • starlark-rust

      Public
      A Rust implementation of the Starlark language
      Rust
      •
      Apache License 2.0
      •83•891•30•13•Updated Dec 6, 2025Dec 6, 2025

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •674•6.2k•56•16•Updated Dec 6, 2025Dec 6, 2025

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Starlark
      •
      Apache License 2.0
      •50•57•1•1•Updated Dec 6, 2025Dec 6, 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
      •300•666•43•6•Updated Dec 6, 2025Dec 6, 2025