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• pyre-check

  Performant type-checking for python.

  python security typechecker static-analysis ocaml control-flow-analysis code-quality
  OCaml MIT 195 3,439 48 2 Updated Jul 10, 2020

• react

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

  react javascript library ui frontend declarative
  JavaScript MIT 29,668 151,840 491 (3 issues need help) 107 Updated Jul 10, 2020

• hhvm

  A virtual machine for executing programs written in Hack.

  php hack hhvm hacklang
  C++ 2,914 16,582 582 45 Updated Jul 10, 2020

• folly

  An open-source C++ library developed and used at Facebook.
  C++ Apache-2.0 3,626 15,297 195 50 Updated Jul 10, 2020

• mcrouter

  Mcrouter is a memcached protocol router for scaling memcached deployments.
  C++ MIT 460 2,699 71 14 Updated Jul 11, 2020

• relay

  Relay is a JavaScript framework for building data-driven React applications.
  JavaScript MIT 1,467 14,728 198 (6 issues need help) 34 Updated Jul 10, 2020

• componentkit

  A React-inspired view framework for iOS.
  Objective-C++ 575 5,341 13 (2 issues need help) 6 Updated Jul 10, 2020

• rocksdb

  A library that provides an embeddable, persistent key-value store for fast storage.
  C++ 3,870 17,133 357 166 Updated Jul 10, 2020

• openbmc

  OpenBMC is an open software framework to build a complete Linux image for a Board Management Controller (BMC).
  C 204 466 30 0 Updated Jul 10, 2020

• docusaurus

  Easy to maintain open source documentation websites.

  react javascript open-source website documentation
  JavaScript 1,957 17,923 129 (25 issues need help) 19 Updated Jul 10, 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 1,515 11,054 230 (13 issues need help) 1 Updated Jul 10, 2020

• buck

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

  android python java ios buck build-tool
  Java Apache-2.0 1,109 7,431 211 11 Updated Jul 10, 2020

• idb

  idb is a flexible command line interface for automating iOS simulators and devices
  Objective-C MIT 327 3,055 53 (4 issues need help) 7 Updated Jul 10, 2020

• zstd

  Zstandard - Fast real-time compression algorithm
  C 1,157 12,354 41 (6 issues need help) 8 Updated Jul 10, 2020

• facebook-ios-sdk

  Used to integrate the Facebook Platform with your iOS & tvOS apps.
  Objective-C 2,655 6,431 19 12 Updated Jul 10, 2020

• flipper

  A desktop debugging platform for mobile developers.
  TypeScript MIT 455 7,313 70 (9 issues need help) 7 Updated Jul 10, 2020

• litho

  A declarative framework for building efficient UIs on Android.
  Java Apache-2.0 621 6,776 59 15 Updated Jul 10, 2020

• react-native

  A framework for building native apps with React.
  JavaScript 19,651 88,576 837 (29 issues need help) 166 Updated Jul 10, 2020

• fresco

  An Android library for managing images and the memory they use.
  Java MIT 3,743 16,242 107 (44 issues need help) 13 Updated Jul 10, 2020

• ThreatExchange

  Share threat information with vetted partners
  C++ 191 760 17 2 Updated Jul 10, 2020

• reason

  Simple, fast & type safe code that leverages the JavaScript & OCaml ecosystems

  javascript programming-language ocaml reasonml reason
  OCaml MIT 419 8,855 422 41 Updated Jul 10, 2020

• yoga

  Yoga is a cross-platform layout engine which implements Flexbox. Follow https://twitter.com/yogalayout for updates.
  C++ 1,073 13,345 202 74 Updated Jul 10, 2020

• duckling

  Language, engine, and tooling for expressing, testing, and evaluating composable language rules on input strings.
  Haskell 553 2,995 107 (16 issues need help) 37 Updated Jul 10, 2020

• react-native-website

  The site and docs for React Native

  react react-native docusaurus
  JavaScript 2,945 1,150 115 13 Updated Jul 10, 2020

• hermes

  Hermes is a small and lightweight JavaScript engine optimized for running React Native on Android.
  C++ MIT 226 5,530 45 (2 issues need help) 7 Updated Jul 10, 2020

• fboss

  Facebook Open Switching System Software for controlling network switches.
  C++ 200 634 11 11 Updated Jul 10, 2020

• proxygen

  A collection of C++ HTTP libraries including an easy to use HTTP server.
  C++ 1,303 6,731 26 8 Updated Jul 10, 2020

• mysql-5.6

  Facebook's branch of the Oracle MySQL v5.6 database. This includes MyRocks.
  C++ GPL-2.0 591 1,872 149 18 Updated Jul 10, 2020

• openr

  Distributed platform for building autonomic network functions.
  C++ 188 727 2 3 Updated Jul 10, 2020

• fbthrift

  Facebook's branch of Apache Thrift, including a new C++ server.
  C++ Apache-2.0 480 1,953 25 1 Updated Jul 10, 2020