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• rocksdb

  A library that provides an embeddable, persistent key-value store for fast storage.
  C++ 3,770 16,677 346 151 Updated May 21, 2020

• folly

  An open-source C++ library developed and used at Facebook.
  C++ Apache-2.0 3,579 15,051 181 46 Updated May 21, 2020

• jest

  Delightful JavaScript Testing.

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  TypeScript MIT 4,398 31,050 936 (113 issues need help) 110 Updated May 21, 2020

• taste-tester

  Software to manage a chef-zero instance and use it to test changes on production servers.
  Ruby Apache-2.0 58 123 3 3 Updated May 21, 2020

• relay

  Relay is a JavaScript framework for building data-driven React applications.
  JavaScript MIT 1,444 14,537 195 (5 issues need help) 37 Updated May 21, 2020

• openbmc

  OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
  C 201 463 31 1 Updated May 21, 2020

• hermes

  Hermes is a small and lightweight JavaScript engine optimized for running React Native on Android.
  C++ MIT 210 5,338 43 (2 issues need help) 3 Updated May 21, 2020

• react

  A declarative, efficient, and flexible JavaScript library for building user interfaces.

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  JavaScript MIT 28,939 149,041 494 (3 issues need help) 103 Updated May 21, 2020

• pyre-check

  Performant type-checking for python.

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  OCaml MIT 185 3,379 42 3 Updated May 21, 2020

• react-native

  A framework for building native apps with React.
  JavaScript 19,418 87,355 758 (29 issues need help) 105 Updated May 21, 2020

• litho

  A declarative framework for building efficient UIs on Android.
  Java Apache-2.0 606 6,701 59 13 Updated May 21, 2020

• zstd

  Zstandard - Fast real-time compression algorithm
  C 1,122 12,035 30 (6 issues need help) 10 Updated May 21, 2020

• bistro

  Bistro is a flexible distributed scheduler, a high-performance framework supporting multiple paradigms while retaining ease of configuration, management, and monitoring.
  C++ MIT 116 861 2 3 Updated May 21, 2020

• mysql-5.6

  Facebook's branch of the Oracle MySQL v5.6 database. This includes MyRocks.
  C++ GPL-2.0 582 1,834 149 25 Updated May 21, 2020

• buck

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

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  Java Apache-2.0 1,099 7,361 212 13 Updated May 21, 2020

• fbshipit

  Copy commits between repositories - git => git, git => hg, hg => hg, or hg => git

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  Hack MIT 91 280 12 0 Updated May 21, 2020

• docusaurus

  Easy to maintain open source documentation websites.

  react javascript open-source website documentation
  JavaScript 1,817 17,002 104 (23 issues need help) 21 Updated May 21, 2020

• hhvm

  A virtual machine for executing programs written in Hack.

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  C++ 2,916 16,552 761 42 Updated May 21, 2020

• react-native-website

  The site and docs for React Native

  react react-native docusaurus
  JavaScript 2,875 1,113 115 (10 issues need help) 7 Updated May 21, 2020

• facebook-android-sdk

  Used to integrate Android apps with Facebook Platform.
  Java 3,272 5,125 43 25 Updated May 21, 2020

• flipper

  A desktop debugging platform for mobile developers.
  TypeScript MIT 426 7,076 59 (8 issues need help) 4 Updated May 21, 2020

• fboss

  Facebook Open Switching System Software for controlling network switches.
  C++ 195 620 12 10 Updated May 21, 2020

• componentkit

  A React-inspired view framework for iOS.
  Objective-C++ 572 5,302 12 (2 issues need help) 6 Updated May 21, 2020

• fbthrift

  Facebook's branch of Apache Thrift, including a new C++ server.
  C++ Apache-2.0 471 1,919 23 1 Updated May 21, 2020

• flow

  Adds static typing to JavaScript to improve developer productivity and code quality.
  OCaml MIT 1,756 20,624 2,418 (17 issues need help) 132 Updated May 21, 2020

• fresco

  An Android library for managing images and the memory they use.
  Java MIT 3,730 16,168 105 (40 issues need help) 13 Updated May 21, 2020

• infer

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

  c java objective-c cpp static-code-analysis static-analysis code-quality
  OCaml MIT 1,494 10,898 229 (14 issues need help) 4 Updated May 21, 2020

• mcrouter

  Mcrouter is a memcached protocol router for scaling memcached deployments.
  C++ MIT 456 2,679 69 14 Updated May 22, 2020

• idb

  idb is a flexible command line interface for automating iOS simulators and devices
  Objective-C MIT 321 2,995 52 (4 issues need help) 7 Updated May 21, 2020

• Ax

  Adaptive Experimentation Platform
  Jupyter Notebook MIT 104 1,132 19 1 Updated May 21, 2020