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    145 repositories

    • buck2

      Public
      Build system, successor to Buck
      Rust
      •
      Apache License 2.0
      •240•3.7k•228•24•Updated Mar 1, 2025Mar 1, 2025

    • buck2-prelude

      Public
      Prelude for the Buck2 project
      Java
      •
      Apache License 2.0
      •38•55•1•2•Updated Mar 1, 2025Mar 1, 2025

    • hhvm

      Public
      A virtual machine for executing programs written in Hack.
      hacklangphphackhhvm
      C++
      •
      Other
      •3k•18k•453•85•Updated Mar 1, 2025Mar 1, 2025

    • fbthrift

      Public
      Facebook's branch of Apache Thrift, including a new C++ server.
      C++
      •
      Apache License 2.0
      •613•2.6k•29•0•Updated Mar 1, 2025Mar 1, 2025

    • folly

      Public
      An open-source C++ library developed and used at Facebook.
      C++
      •
      Apache License 2.0
      •5.6k•29k•270•84•Updated Mar 1, 2025Mar 1, 2025

    • stylex

      Public
      StyleX is the styling system for ambitious user interfaces.
      JavaScript
      •
      MIT License
      •322•8.5k•63•16•Updated Mar 1, 2025Mar 1, 2025

    • CacheLib

      Public
      Pluggable in-process caching engine to build and scale high performance services
      cppcacheconcurrencyssdcache-engineperformance
      C++
      •
      Apache License 2.0
      •274•1.3k•11•19•Updated Mar 1, 2025Mar 1, 2025

    • mcrouter

      Public
      Mcrouter is a memcached protocol router for scaling memcached deployments.
      C++
      •
      MIT License
      •543•3.3k•97•16•Updated Mar 1, 2025Mar 1, 2025

    • fboss

      Public
      Facebook Open Switching System Software for controlling network switches.
      C++
      •
      Other
      •309•881•20•48•Updated Mar 1, 2025Mar 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
      •177•3k•4•0•Updated Mar 1, 2025Mar 1, 2025

    • facebook-for-woocommerce

      Public
      A first-party extension plugin built for WooCommerce. Development is managed by Meta engineers.
      PHP
      •
      GNU General Public License v2.0
      •146•219•95•40•Updated Mar 1, 2025Mar 1, 2025

    • pyre-check

      Public
      Performant type-checking for python.
      pythonsecuritytypecheckerstatic-analysisocamlcontrol-flow-analysiscode-qualityprogram-analysistaint-analysisabstract-interpretation
      OCaml
      •
      MIT License
      •445•6.9k•122•21•Updated Mar 1, 2025Mar 1, 2025

    • hermes

      Public
      A JavaScript engine optimized for running React Native.
      C++
      •
      MIT License
      •660•10k•113•60•Updated Mar 1, 2025Mar 1, 2025

    • Ax

      Public
      Adaptive Experimentation Platform
      Python
      •
      MIT License
      •321•2.4k•26•81•Updated Mar 1, 2025Mar 1, 2025

    • sapling

      Public
      A Scalable, User-Friendly Source Control System.
      Rust
      •
      GNU General Public License v2.0
      •293•6.3k•231•16•Updated Mar 1, 2025Mar 1, 2025

    • flow

      Public
      Adds static typing to JavaScript to improve developer productivity and code quality.
      OCaml
      •
      MIT License
      •1.9k•22k•890•21•Updated Feb 28, 2025Feb 28, 2025

    • lexical

      Public
      Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.
      TypeScript
      •
      MIT License
      •1.8k•21k•478•24•Updated Feb 28, 2025Feb 28, 2025

    • proxygen

      Public
      A collection of C++ HTTP libraries including an easy to use HTTP server.
      C++
      •
      Other
      •1.5k•8.2k•18•4•Updated Feb 28, 2025Feb 28, 2025

    • openbmc

      Public
      OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
      C
      •282•640•41•6•Updated Feb 28, 2025Feb 28, 2025

    • zstd

      Public
      Zstandard - Fast real-time compression algorithm
      C
      •
      Other
      •2.2k•24k•162•18•Updated Feb 28, 2025Feb 28, 2025

    • react-native

      Public
      A framework for building native applications using React
      mobilecross-platformapp-frameworkmobile-developmentreactandroidiosreact-native
      C++
      •
      MIT License
      •25k•121k•591•293•Updated Feb 28, 2025Feb 28, 2025

    • redex

      Public
      A bytecode optimizer for Android apps
      C++
      •
      MIT License
      •668•6.1k•55•16•Updated Feb 28, 2025Feb 28, 2025

    • fresco

      Public
      An Android library for managing images and the memory they use.
      Java
      •
      MIT License
      •3.8k•17k•234•12•Updated Feb 28, 2025Feb 28, 2025

    • infer

      Public
      A static analyzer for Java, C, C++, and Objective-C
      cobjective-ccppstatic-code-analysisstatic-analysiscode-qualityjava
      OCaml
      •
      MIT License
      •2k•15k•396•6•Updated Feb 28, 2025Feb 28, 2025

    • chef-cookbooks

      Public
      Open source chef cookbooks.
      Ruby
      •
      Apache License 2.0
      •143•574•10•13•Updated Feb 28, 2025Feb 28, 2025

    • Rapid

      Public
      The OpenStreetMap editor driven by open data, AI, and supercharged features
      JavaScript
      •
      ISC License
      •99•564•264•5•Updated Feb 28, 2025Feb 28, 2025

    • relay

      Public
      Relay is a JavaScript framework for building data-driven React applications.
      Rust
      •
      MIT License
      •1.8k•19k•579•132•Updated Feb 28, 2025Feb 28, 2025

    • docusaurus

      Public
      Easy to maintain open source documentation websites.
      reactjavascriptopen-sourcewebsitedocumentationhacktoberfest
      TypeScript
      •
      MIT License
      •8.8k•59k•281•53•Updated Feb 28, 2025Feb 28, 2025

    • react

      Public
      The library for web and native user interfaces.
      libraryfrontenddeclarativereactjavascriptui
      JavaScript
      •
      MIT License
      •48k•233k•772•178•Updated Feb 28, 2025Feb 28, 2025

    • watchman

      Public
      Watches files and records, or triggers actions, when they change.
      C++
      •
      MIT License
      •1k•13k•204•37•Updated Feb 28, 2025Feb 28, 2025