There are no reviews yet. Be the first to send feedback to the community and the maintainers!
react
The library for web and native user interfaces.react-native
A framework for building native applications using Reactcreate-react-app
Set up a modern web app by running one command.docusaurus
Easy to maintain open source documentation websites.jest
Delightful JavaScript Testing.rocksdb
A library that provides an embeddable, persistent key-value store for fast storage.folly
An open-source C++ library developed and used at Facebook.flow
Adds static typing to JavaScript to improve developer productivity and code quality.zstd
Zstandard - Fast real-time compression algorithmrelay
Relay is a JavaScript framework for building data-driven React applications.hhvm
A virtual machine for executing programs written in Hack.prophet
Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.fresco
An Android library for managing images and the memory they use.lexical
Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.yoga
Yoga is a cross-platform layout engine which implements Flexbox. Follow https://twitter.com/yogalayout for updates.infer
A static analyzer for Java, C, C++, and Objective-Cflipper
A desktop debugging platform for mobile developers.watchman
Watches files and records, or triggers actions, when they change.react-devtools
An extension that allows inspection of React component hierarchy in the Chrome and Firefox Developer Tools.hermes
A JavaScript engine optimized for running React Native.chisel
Chisel is a collection of LLDB commands to assist debugging iOS apps.jscodeshift
A JavaScript codemod toolkit.buck
A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.proxygen
A collection of C++ HTTP libraries including an easy to use HTTP server.stylex
StyleX is the styling system for ambitious user interfaces.facebook-ios-sdk
Used to integrate the Facebook Platform with your iOS & tvOS apps.litho
A declarative framework for building efficient UIs on Android.pyre-check
Performant type-checking for python.facebook-android-sdk
Used to integrate Android apps with Facebook Platform.redex
A bytecode optimizer for Android appscomponentkit
A React-inspired view framework for iOS.sapling
A Scalable, User-Friendly Source Control System.fishhook
A library that enables dynamically rebinding symbols in Mach-O binaries running on iOS.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.metro
๐ The JavaScript bundler for React Nativeprop-types
Runtime type checking for React props and similar objectsidb
idb is a flexible command line interface for automating iOS simulators and devicesHaxl
A Haskell library that simplifies access to remote data, such as databases or web-based services.FBRetainCycleDetector
iOS library to help detecting retain cycles in runtime.memlab
A framework for finding JavaScript memory leaks and analyzing heap snapshotsduckling
Language, engine, and tooling for expressing, testing, and evaluating composable language rules on input strings.fbt
A JavaScript Internationalization Frameworkregenerator
Source transformer enabling ECMAScript 6 generator functions in JavaScript-of-today.mcrouter
Mcrouter is a memcached protocol router for scaling memcached deployments.buck2
Build system, successor to Buckwangle
Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.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.igl
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).fbthrift
Facebook's branch of Apache Thrift, including a new C++ server.mysql-5.6
Facebook's branch of the Oracle MySQL database. This includes MyRocks.Ax
Adaptive Experimentation Platformjsx
The JSX specification is a XML-like syntax extension to ECMAScript.fbjs
A collection of utility libraries used by other Meta JS projects.react-native-website
The React Native website and docsscreenshot-tests-for-android
Generate fast deterministic screenshots during Android instrumentation testsidx
Library for accessing arbitrarily nested, possibly nullable properties on a JavaScript object.TextLayoutBuilder
An Android library that allows you to build text layouts more easily.mvfst
An implementation of the QUIC transport protocol.SoLoader
Native code loader for Androidfacebook-python-business-sdk
Python SDK for Meta Marketing APIsThreatExchange
Trust & Safety tools for working together to fight digital harms.mariana-trench
A security focused static analysis tool for Android and Java applications.CacheLib
Pluggable in-process caching engine to build and scale high performance servicesfatal
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.transform360
Transform360 is an equirectangular to cubemap transform for 360 video.openr
Distributed platform for building autonomic network functions.fboss
Facebook Open Switching System Software for controlling network switches.facebook-php-business-sdk
PHP SDK for Meta Marketing APIktfmt
A program that reformats Kotlin source code to comply with the common community standard for Kotlin code conventions.winterfell
A STARK prover and verifier for arbitrary computationspyre2
Python wrapper for RE2openbmc
OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).SPARTA
SPARTA is a library of software components specially designed for building high-performance static analyzers based on the theory of Abstract Interpretation.chef-cookbooks
Open source chef cookbooks.IT-CPE
Meta's Client Platform Engineering tools. Some of the tools we have written to help manage our fleet of client systems.time
Meta's Time librariesfacebook-nodejs-business-sdk
Node.js SDK for Meta Marketing APIsfacebook-sdk-for-unity
The facebook sdk for unity.lexical-ios
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.Rapid
The OpenStreetMap editor driven by open data, AI, and supercharged featuresFAI-PEP
Facebook AI Performance Evaluation Platformfacebook-java-business-sdk
Java SDK for Meta Marketing APIschef-utils
Utilities related to Chefopaque-ke
An implementation of the OPAQUE password-authenticated key exchange protocoldns
Collection of Meta's DNS Librariesfacebook360_dep
Facebook360 Depth Estimation Pipeline - https://facebook.github.io/facebook360_depakd
An implementation of an auditable key directorytac_plus
A Tacacs+ Daemon tested on Linux (CentOS) to run AAA via TACACS+ Protocol via IPv4 and IPv6.facebook-ruby-business-sdk
Ruby SDK for Meta Marketing APIdotslash
Simplified executable deploymentusort
Safe, minimal import sorting for Python projects.grocery-delivery
The Grocery Delivery utility for managing cookbook uploads to distributed Chef backends.taste-tester
Software to manage a chef-zero instance and use it to test changes on production servers.TestSlide
A Python test frameworkhomebrew-fb
OS X Homebrew formulas to install Meta open source softwaresapp
Post Processor for Facebook Static Analysis Tools.squangle
SQuangLe is a C++ API for accessing MySQL serversthreat-research
Welcome to the Meta Threat Research Indicator Repository, a dedicated resource for the sharing of Indicators of Compromise (IOCs) and other threat indicators with the external research communitybpfilter
BPF-based packet filtering frameworkfacebook-business-sdk-codegen
Codegen project for our business SDKsLove Open Source and this site? Check out how you can help us