draft-jsA React framework for building text editors.
popAn extensible iOS and OS X animation library, useful for physics-based interactions.
fluxApplication Architecture for Building User Interfaces
AsyncDisplayKitSmooth asynchronous user interfaces for iOS apps.
stethoStetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.
ShimmerAn easy way to add a simple, shimmering effect to any view in an iOS app.
react-360Create amazing 360 and VR content using React
caffe2Caffe2 is a lightweight, modular, and scalable deep learning framework.
nuclideAn open IDE for web and native mobile development, built on top of Atom
KVOControllerSimple, modern, thread-safe key-value observing for iOS and OS X.
three20Three20 is an Objective-C library for iPhone developers
xctoolAn extension for Apple's xcodebuild that makes it easier to test iOS and macOS apps.
fbctfPlatform to host Capture the Flag competitions
reboundA Java library that models spring dynamics and adds real world physics to your app.
KeyframesA library for converting Adobe AE shape based animations to a data format and playing it back on Android and iOS devices.
shimmer-androidAn easy, flexible way to add a shimmering effect to any view in an Android app.
graceGraceful restart & zero downtime deploy for Go servers.
TweaksAn easy way to fine-tune, and adjust parameters for iOS apps in development.
augmented-traffic-controlAugmented Traffic Control: A tool to simulate network conditions
fixed-data-tableA React table component designed to allow presenting thousands of rows of data.
WebDriverAgentA WebDriver server for iOS that runs inside the Simulator.
huxleyA testing system for catching visual regressions in Web applications.
codemodCodemod is a tool/library to assist you with large-scale codebase refactors that can be partially automated but still require human oversight and occasional intervention. Codemod was developed at Facebook and released as open source.
scribeScribe is a server for aggregating log data streamed in real time from a large number of servers.
FBMemoryProfileriOS tool that helps with profiling iOS Memory usage.
mention-botAutomatically mention potential reviewers on pull requests.
facebook-php-sdkThis SDK is deprecated. Find the new SDK here: https://github.com/facebook/facebook-php-sdk-v4
origamiA Quartz Composer framework that enables interactive design prototyping without programming.
RakNetRakNet is a cross platform, open source, C++ networking engine for game programmers.
network-connection-classListen to current network traffic in the app and categorize the quality of the network.
beringeiBeringei is a high performance, in-memory storage engine for time series data.
php-graph-sdkThe Facebook SDK for PHP provides a native interface to the Graph API and Facebook Login. https://developers.facebook.com/docs/php
react-native-fbsdkA React Native wrapper around the Facebook SDKs for Android and iOS. Provides access to Facebook login, sharing, graph requests, app events etc.
concealConceal provides easy Android APIs for performing fast encryption and authentication of data.
python-instagramPython Client for Instagram API
webscalesql-5.6WebScaleSQL, Version 5.6, based upon the MySQL-5.6 community releases.
ios-snapshot-test-caseSnapshot view unit tests for iOS
device-year-classA library that analyzes an Android device's specifications and calculates which year the device would be considered "high end”.
pfffTools for code analysis, visualizations, or style-preserving source transformation.
fb.resnet.torchTorch implementation of ResNet from http://arxiv.org/abs/1512.03385 and training scripts
redux-react-hookReact Hook for accessing state and dispatch from a Redux store
Surround360Surround360 is Facebook's open source hardware and software for capturing stereoscopic 3D 360 video for VR. The repo contains hardware designs, as well as software for camera control and rendering.
xcbuildXcode-compatible build tool.
LogDeviceDistributed storage for sequential data
MemNNMemory Networks implementations
redis-fainaA query analyzer that parses Redis' MONITOR command for counter/timing stats about query patterns
fb-floA Chrome extension that lets you modify running apps without reloading them.
planoutPlanOut is a library and interpreter for designing online experiments.
libphenomAn eventing framework for building high performance and high scalability systems in C.
flashcacheA general purpose, write-back block cache for Linux.
python-nubiaA command-line and interactive shell framework.
profiloA library for performance traces from production.
facebook-swift-sdkIntegrate your iOS apps in Swift with Facebook Platform.
instagram-ruby-gemThe official gem for the Instagram API
injectPackage inject provides a reflect based injector.
FlicksA unit of time defined in C++.
duckling_oldDeprecated in favor of https://github.com/facebook/duckling
atom-in-orbitPutting Atom in the browser
C3DC3D is a modified version of BVLC caffe to support 3D ConvNets.
phpshA read-eval-print-loop for php
sublime-reactSublime Text helpers for React. Syntax highlighting DEPRECATED in favor of babel/babel-sublime
fb-adbA better shell for Android devices
iTorchIPython kernel for Torch with visualization and plotting
FBAllocationTrackeriOS library that helps tracking all allocated Objective-C objects
fbcunnFacebook's extensions to torch/cunn.
emitterA JS EventEmitter foundation for evented code
bistroBistro is a flexible distributed scheduler, a high-performance framework supporting multiple paradigms while retaining ease of configuration, management, and monitoring.
relay-starter-kitBarebones starting point for a Relay application.
torchnetTorch on steroids
react-meteorReact rendering for Meteor apps
atom-ide-uiA collection of user interfaces for Atom IDE.
NAMASNeural Attention Model for Abstractive Summarization
niftyThrift on Netty
swiftAn annotation-based Java library for creating Thrift serializable types and services.
bAbI-tasksTask generation for testing text understanding and reasoning
hadoop-20Facebook's Realtime Distributed FS based on Apache Hadoop 0.20-append
loopA method to generate speech across multiple speakers
IGInterfaceDataTableA category on WKInterfaceTable that makes configuring tables with multi-dimensional data easier.
mononokeA Mercurial source control server, specifically designed to support large monorepos.
f8DeveloperConferenceApp[Archive] f8 2014 Conference App
nailgunNailgun is a client, protocol, and server for running Java programs from the command line without incurring the JVM startup overhead.
WEASELDNS covert channel implant for Red Teams.
RiftDK1Firmware, Schematics, and Mechanicals for the Oculus Rift Development Kit 1
jcommonconcurrency, collections, stats/analytics, config, testing, etc
proguardA fork of ProGuard.
ig-lazy-module-loaderLibrary that implements module lazy loading.
opencomputeA community of engineers whose mission is to design and enable the delivery of the most efficient server, storage and data center hardware designs for scalable computing.
flintAn open-source lint program for C++ developed by, and formerly used at Facebook.
bootstrappedGenerate bootstrapped confidence intervals for A/B testing in Python.
fblualibFacebook libraries and utilities for Lua
remodelRemodel 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.
eyescreamnatural image generation using ConvNets
spacetimeExperimental iOS library for live transformations on parts of layers.
warpA fast preprocessor for C and C++
FBNotificationsFacebook Analytics In-App Notifications Framework