We are working to build community through open source technology. NB: members must have two-factor auth.
- Menlo Park, California
- https://opensource.fb.com
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zstd
Zstandard - Fast real-time compression algorithm
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hermes
Hermes is a small and lightweight JavaScript engine optimized for running React Native on Android.
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react-native
A framework for building native apps with React.
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buck
A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.
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Ax
Adaptive Experimentation Platform
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fbthrift
Facebook's branch of Apache Thrift, including a new C++ server.
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wangle
Wangle is a framework providing a set of common client/server abstractions for building services in a consistent, modular, and composable way.
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react
A declarative, efficient, and flexible JavaScript library for building user interfaces.
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fboss
Facebook Open Switching System Software for controlling network switches.
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openr
Distributed platform for building autonomic network functions.
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docusaurus
Easy to maintain open source documentation websites.
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rocksdb
A library that provides an embeddable, persistent key-value store for fast storage.
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pyre-check
Performant type-checking for python.
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flow
Adds static typing to JavaScript to improve developer productivity and code quality.
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facebook-ios-sdk
Used to integrate the Facebook Platform with your iOS & tvOS apps.
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infer
A static analyzer for Java, C, C++, and Objective-C
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mysql-5.6
Facebook's branch of the Oracle MySQL v5.6 database. This includes MyRocks.
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draft-js
A React framework for building text editors.
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proxygen
A collection of C++ HTTP libraries including an easy to use HTTP server.
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redex
A bytecode optimizer for Android apps
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openbmc
OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
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relay
Relay is a JavaScript framework for building data-driven React applications.
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chef-cookbooks
Open source chef cookbooks.
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fresco
An Android library for managing images and the memory they use.
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IT-CPE
Facebook's IT - Client Platform Engineering tools. Some of the tools we have written to help manage our fleet of client systems.
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facebook-business-sdk-codegen
Codegen project for our business SDKs
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facebook-php-business-sdk
An SDK built to facilitate application development for Facebook Ads API.
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folly
An open-source C++ library developed and used at Facebook.

