Explore @facebook Open Source projects

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Jupyter Notebook
6,963

react

The library for web and native user interfaces.

react-native

A framework for building native applications using React

create-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.

zstd

Zstandard - Fast real-time compression algorithm

flow

Adds static typing to JavaScript to improve developer productivity and code quality.

lexical

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

relay

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.

yoga

Yoga is an embeddable layout engine targeting web standards.

infer

A static analyzer for Java, C, C++, and Objective-C

flipper

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.

jscodeshift

A JavaScript codemod toolkit.

chisel

Chisel is a collection of LLDB commands to assist debugging iOS apps.

buck

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

stylex

StyleX is the styling system for ambitious user interfaces.

proxygen

A collection of C++ HTTP libraries including an easy to use HTTP server.

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 apps

sapling

A Scalable, User-Friendly Source Control System.

componentkit

A React-inspired view framework for iOS.

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

🚇 The JavaScript bundler for React Native

prop-types

Runtime type checking for React props and similar objects

idb

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

Haxl

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 snapshots

duckling

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

fbt

A JavaScript Internationalization Framework

regenerator

Source transformer enabling ECMAScript 6 generator functions in JavaScript-of-today.

buck2

Build system, successor to Buck

mcrouter

Mcrouter is a memcached protocol router for scaling memcached deployments.

wangle

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

react-strict-dom

React Strict DOM (RSD) is a subset of React DOM, imperative DOM, and CSS that supports web and native targets

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 Platform

fbjs

A collection of utility libraries used by other Meta JS projects.

jsx

The JSX specification is a XML-like syntax extension to ECMAScript.

react-native-website

The React Native website and docs

screenshot-tests-for-android

Generate fast deterministic screenshots during Android instrumentation tests

idx

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 Android

facebook-python-business-sdk

Python SDK for Meta Marketing APIs

ThreatExchange

Trust & Safety tools for working together to fight digital harms.

CacheLib

Pluggable in-process caching engine to build and scale high performance services

mariana-trench

A security focused static analysis tool for Android and Java applications.

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.

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.

ktfmt

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

facebook-php-business-sdk

PHP SDK for Meta Marketing API

winterfell

A STARK prover and verifier for arbitrary computations

pyre2

Python wrapper for RE2

starlark-rust

A Rust implementation of the Starlark language

openbmc

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.

time

Meta's Time libraries

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.

dotslash

Simplified executable deployment

Rapid

The OpenStreetMap editor driven by open data, AI, and supercharged features

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.

facebook-sdk-for-unity

The facebook sdk for unity.

facebook-nodejs-business-sdk

Node.js SDK for Meta Marketing APIs

FAI-PEP

Facebook AI Performance Evaluation Platform

facebook-java-business-sdk

Java SDK for Meta Marketing APIs

chef-utils

Utilities related to Chef

opaque-ke

An implementation of the OPAQUE password-authenticated key exchange protocol

dns

Collection of Meta's DNS Libraries

facebook360_dep

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

akd

An implementation of an auditable key directory

tac_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 API

usort

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 framework

sapp

Post Processor for Facebook Static Analysis Tools.

homebrew-fb

OS X Homebrew formulas to install Meta open source software

threat-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 community

ocamlrep

Sets of libraries and tools to write applications and libraries mixing OCaml and Rust. These libraries will help keeping your types and data structures synchronized, and enable seamless exchange between OCaml and Rust