facebook/react: A declarative, efficient, and flexible JavaScript library for building user interfaces.

facebook/openbmc-linux: Linux kernel consumed by OpenBMC

facebook/transform360: Transform360 is an equirectangular to cubemap transform for 360 video.

facebook/facebook-python-business-sdk: An SDK built to facilitate application development for Facebook Ads API.

facebook/mariana-trench: Our security focused static analysis tool for Android and Java applications.

facebook/sapp: Post Processor for Facebook Static Analysis Tools.

facebook/fbzmq: Facebook ZeroMQ wrappers.

facebook/fbkutils: A variety of utilities built and maintained by Facebook's Linux Kernel Team that we wish to share with the community.

facebook/prepack: A JavaScript bundle optimizer.

facebook/kuduraft: A Raft Library in C++ based on the Raft implementation in Apache Kudu

facebook/jscodeshift: A JavaScript codemod toolkit.

facebook/fbhaddock: Haskell Documentation Tool

facebook/pyre2: Python wrapper for RE2

facebook/facebook360_dep: Facebook360 Depth Estimation Pipeline - https://facebook.github.io/facebook360_dep

facebook/treadmill: An intelligent loadtester

facebook/facebook-java-business-sdk: Java SDK for Facebook Ads APIs

facebook/.github: Default Community health files for Facebook projects

facebook/fbt: A JavaScript Internationalization Framework

facebook/homebrew-fb: OS X Homebrew formulas to install Meta open source software

facebook/fb303: fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.

facebook/prop-types: Runtime type checking for React props and similar objects

facebook/FAI-PEP: Facebook AI Performance Evaluation Platform

facebook/openbmc-qemu: Fork of QEMU for Facebook OpenBMC machines, closely tracking upstream.

facebook/folly: An open-source C++ library developed and used at Facebook.

facebook/jest: Delightful JavaScript Testing.

facebook/facebook-php-business-sdk: An SDK built to facilitate application development for Facebook Ads API.

facebook/yoga: Yoga is a cross-platform layout engine which implements Flexbox. Follow https://twitter.com/yogalayout for updates.

facebook/buck: A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

facebook/fbghc: Mirror of the Glasgow Haskell Compiler. Patches are best submitted to GHC's Phabricator (https://phabricator.haskell.org/), bugs and feature-requests are best filed to GHC's Trac (https://ghc.haskell.org/trac/ghc), or sent to the mailing list ([email protected]). First time contributors are encouraged to get started by just sending a Pull Request.

facebook/memlab: A framework for finding JavaScript memory leaks and analyzing heap snapshots

facebook/flow: Adds static typing to JavaScript to improve developer productivity and code quality.

facebook/between-meals: A library to provide calculations between Chef diffs.

facebook/time: Meta's Time libraries

facebook/wdt: Warp speed Data Transfer (WDT) is an embeddedable library (and command line tool) aiming to transfer data between 2 systems as fast as possible over multiple TCP paths.

facebook/OSM-HOT-Tasking-Manager: A fork of the HOTOSM Tasking Manager (tasks.hotosm.org) to deploy and test experimental integrations and features.

facebook/lr-with-bins: An experimental first-stage model used for quick and efficient inference on part of the data.

facebook/fishhook: A library that enables dynamically rebinding symbols in Mach-O binaries running on iOS.

facebook/netconsd: Receive and process logs from the Linux kernel.

facebook/TestSlide: A Python test framework

facebook/hhvm: A virtual machine for executing programs written in Hack.

facebook/regenerator: Source transformer enabling ECMAScript 6 generator functions in JavaScript-of-today.

facebook/ThreatExchange: Trust & Safety tools for working together to fight digital harms.

facebook/fbjs: A collection of utility libraries used by other Facebook JS projects.

facebook/SPARTA: SPARTA is a library of software components specially designed for building high-performance static analyzers based on the theory of Abstract Interpretation.

facebook/fresco: An Android library for managing images and the memory they use.

facebook/TextLayoutBuilder: An Android library that allows you to build text layouts more easily.

facebook/OpenBIC: BICs (Bridge IC) are standalone devices deployed within a Data Center that enable monitoring a multi-host system using a single BMC device.

facebook/robolectric: Android Unit Testing Framework

facebook/Specs: A repository of CocoaPods (cocoapods.org) specifications.

facebook/FLAnimatedImage: Performant animated GIF engine for iOS

facebook/instant-articles-builder: Instant Articles Rules Editor

facebook/rocksdb: A library that provides an embeddable, persistent key-value store for fast storage.

facebook/IT-CPE: Meta's Client Platform Engineering tools. Some of the tools we have written to help manage our fleet of client systems.

facebook/shimmer-android: An easy, flexible way to add a shimmering effect to any view in an Android app.

facebook/ktfmt: A program that reformats Kotlin source code to comply with the common community standard for Kotlin code conventions.

facebook/proxygen: A collection of C++ HTTP libraries including an easy to use HTTP server.

facebook/react-native-website: Configuration and documentation powering the React Native website.

facebook/taste-tester: Software to manage a chef-zero instance and use it to test changes on production servers.

facebook/facebook-nodejs-business-sdk: Facebook Ads API using Node.js

facebook/RapiD: An editor for OpenStreetMap for mapping with AI-generated features.

facebook/redex: A bytecode optimizer for Android apps

facebook/sapp-action: GitHub Action for SAPP

facebook/duckling: Language, engine, and tooling for expressing, testing, and evaluating composable language rules on input strings.

facebook/winterfell: A STARK prover and verifier for arbitrary computations

facebook/prophet: Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.

facebook/facebook-instant-articles-sdk-php: The Facebook Instant Articles SDK for PHP provides a native interface for creating and publishing Instant Articles.

facebook/tac_plus: A Tacacs+ Daemon tested on Linux (CentOS) to run AAA via TACACS+ Protocol via IPv4 and IPv6.

facebook/flux: Application Architecture for Building User Interfaces

facebook/litho: A declarative framework for building efficient UIs on Android.

facebook/jsx: The JSX specification is a XML-like syntax extension to ECMAScript.

facebook/sapling: A Scalable, User-Friendly Source Control System.

facebook/mysqlclient-python: MySQL database connector for Python (with Python 3 support)

facebook/react: A declarative, efficient, and flexible JavaScript library for building user interfaces.

facebook/react-native: A framework for building native applications using React

facebook/mysql-5.6: Facebook's branch of the Oracle MySQL v5.6 database. This includes MyRocks.

facebook/pyre-check: Performant type-checking for python.

facebook/pysa-action: GitHub Action for Pysa

facebook/Recipes-for-AutoPkg: Collection of AutoPkg recipes authored at Facebook.

facebook/idb: idb is a flexible command line interface for automating iOS simulators and devices

facebook/mysql-8.0: MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database.

facebook/fbtftp: fbtftp is Facebook's implementation of a dynamic TFTP server framework.

facebook/react-native-deprecated-modules: Deprecated modules that were formerly part of React Native.

facebook/FBRetainCycleDetector: iOS library to help detecting retain cycles in runtime.

facebook/openbmc-uboot: Tracking Denx Das u-boot with various trusted computing add-ons.

facebook/chef-utils: Utilities related to Chef

facebook/pcicrawler: pcicrawler is a Python based command line interface tool which can be used to display, filter and export information about PCI (Peripheral Component Interconnect) or PCIe buses and devices, as well as PCI topology.

facebook/facebook-android-sdk: Used to integrate Android apps with Facebook Platform.

facebook/grocery-delivery: The Grocery Delivery utility for managing cookbook uploads to distributed Chef backends.

facebook/relay: Relay is a JavaScript framework for building data-driven React applications.

facebook/watchman: Watches files and records, or triggers actions, when they change.

facebook/stetho: Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

facebook/lexical: Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

facebook/chef-cookbooks: Open source chef cookbooks.

facebook/remodel: Remodel is a tool that helps iOS and OS X developers avoid repetitive code by generating Objective-C models that support coding, value comparison, and immutability.

facebook/facebook-ios-sdk: Used to integrate the Facebook Platform with your iOS & tvOS apps.

facebook/componentkit: A React-inspired view framework for iOS.

facebook/idx: Library for accessing arbitrarily nested, possibly nullable properties on a JavaScript object.

facebook/infer: A static analyzer for Java, C, C++, and Objective-C

facebook/chisel: Chisel is a collection of LLDB commands to assist debugging iOS apps.

facebook/hermes: A JavaScript engine optimized for running React Native.

facebook/Haxl: A Haskell library that simplifies access to remote data, such as databases or web-based services.

facebook/fatal: Fatal is a library for fast prototyping software in modern C++. It provides facilities to enhance the expressive power of C++. The library is heavily based on template meta-programming, while keeping the complexity under-the-hood.

facebook/create-react-app: Set up a modern web app by running one command.

facebook/pyre-action: GitHub Action for Pyre

facebook/PathPicker: PathPicker accepts a wide range of input -- output from git commands, grep results, searches -- pretty much anything. After parsing the input, PathPicker presents you with a nice UI to select which files you're interested in. After that you can open them in your favorite editor or execute arbitrary commands.

facebook/bistro: Bistro is a flexible distributed scheduler, a high-performance framework supporting multiple paradigms while retaining ease of configuration, management, and monitoring.

facebook/screenshot-tests-for-android: Generate fast deterministic screenshots during Android instrumentation tests

facebook/facebook-sdk-for-unity: The facebook sdk for unity.

facebook/CacheLib: Pluggable in-process caching engine to build and scale high performance services

facebook/openr: Distributed platform for building autonomic network functions.

facebook/malware-detection: Sharing indicators and methods for malware and malicious activity detection and prevention to help keep the Internet safe

facebook/mcrouter: Mcrouter is a memcached protocol router for scaling memcached deployments.

facebook/draft-js: A React framework for building text editors.

facebook/fboss: Facebook Open Switching System Software for controlling network switches.

facebook/zstd: Zstandard - Fast real-time compression algorithm

facebook/fbshipit: Copy commits between repositories · git → git, git → hg, hg → hg, or hg → git

facebook/facebook-ruby-business-sdk: An SDK built to facilitate application development for Facebook Ads API using Ruby.

facebook/docusaurus: Easy to maintain open source documentation websites.

facebook/facebook-business-sdk-codegen: Codegen project for our business SDKs

facebook/fbthrift: Facebook's branch of Apache Thrift, including a new C++ server.

facebook/Ax: Adaptive Experimentation Platform

facebook/metro: 🚇 The JavaScript bundler for React Native.

facebook/usort: Safe, minimal import sorting for Python projects.

facebook/flipper: A desktop debugging platform for mobile developers.

facebook/openbmc: OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).

facebook/react-devtools: An extension that allows inspection of React component hierarchy in the Chrome and Firefox Developer Tools.

facebook/nailgun: Nailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.

facebook/squangle: SQuangLe is a C++ API for accessing MySQL servers

facebook/wangle: Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.

facebook/SoLoader: Native code loader for Android