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• draft-js

  A React framework for building text editors.
  JavaScript 2,181 19,010 651 (37 issues need help) 89 Updated Oct 9, 2020

• litho

  A declarative framework for building efficient UIs on Android.
  Java Apache-2.0 644 6,914 62 23 Updated Oct 9, 2020

• prophet

  Tool for producing high quality forecasts for time series data that has multiple seasonality with linear or non-linear growth.

  python r forecasting
  Python MIT 3,255 11,555 88 (5 issues need help) 2 Updated Oct 9, 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 1,545 11,334 245 (13 issues need help) 4 Updated Oct 9, 2020

• duckling

  Language, engine, and tooling for expressing, testing, and evaluating composable language rules on input strings.
  Haskell 576 3,082 112 (16 issues need help) 46 Updated Oct 10, 2020

• create-react-app

  Set up a modern web app by running one command.

  react zero-configuration build-tools
  JavaScript MIT 20,141 82,577 565 (4 issues need help) 156 Updated Oct 9, 2020

• rocksdb

  A library that provides an embeddable, persistent key-value store for fast storage.
  C++ 4,032 17,868 375 188 Updated Oct 10, 2020

• jest

  Delightful JavaScript Testing.

  javascript testing facebook snapshot expectation easy painless-javascript-testing
  TypeScript MIT 4,682 32,696 1,116 (118 issues need help) 143 Updated Oct 9, 2020

• redex

  A bytecode optimizer for Android apps
  C++ MIT 547 5,099 40 (2 issues need help) 7 Updated Oct 9, 2020

• react

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

  react javascript library ui frontend declarative
  JavaScript MIT 31,023 157,105 479 (5 issues need help) 114 Updated Oct 9, 2020

• pyre-check

  Performant type-checking for python.

  python security typechecker static-analysis ocaml control-flow-analysis code-quality
  OCaml MIT 286 4,884 53 4 Updated Oct 9, 2020

• docusaurus

  Easy to maintain open source documentation websites.

  react javascript open-source website documentation hacktoberfest
  TypeScript 2,262 19,386 174 (39 issues need help) 18 Updated Oct 9, 2020

• react-native-website

  The site and docs for React Native

  react react-native docusaurus
  JavaScript 3,098 1,232 35 10 Updated Oct 9, 2020

• fbthrift

  Facebook's branch of Apache Thrift, including a new C++ server.
  C++ Apache-2.0 491 2,000 26 1 Updated Oct 9, 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 1,135 7,572 162 12 Updated Oct 9, 2020

• hhvm

  A virtual machine for executing programs written in Hack.

  php hack hhvm hacklang
  C++ 2,910 16,688 573 44 Updated Oct 9, 2020

• fb303

  fb303 is a core set of thrift functions that provide a common mechanism for querying stats and other information from a service.
  C++ Apache-2.0 8 18 3 0 Updated Oct 9, 2020

• componentkit

  A React-inspired view framework for iOS.
  Objective-C++ 582 5,385 14 (2 issues need help) 6 Updated Oct 9, 2020

• react-native

  A framework for building native apps with React.
  JavaScript 20,061 90,599 813 (28 issues need help) 259 Updated Oct 9, 2020

• fresco

  An Android library for managing images and the memory they use.
  Java MIT 3,747 16,341 118 (45 issues need help) 17 Updated Oct 9, 2020

• flipper

  A desktop debugging platform for mobile developers.
  TypeScript MIT 516 7,616 56 (5 issues need help) 5 Updated Oct 9, 2020

• folly

  An open-source C++ library developed and used at Facebook.
  C++ Apache-2.0 3,709 15,681 219 59 Updated Oct 9, 2020

• zstd

  Zstandard - Fast real-time compression algorithm
  C 1,211 12,858 59 (8 issues need help) 7 Updated Oct 9, 2020

• idb

  idb is a flexible command line interface for automating iOS simulators and devices
  Objective-C MIT 342 3,162 67 (4 issues need help) 6 Updated Oct 9, 2020

• yoga

  Yoga is a cross-platform layout engine which implements Flexbox. Follow https://twitter.com/yogalayout for updates.
  C++ 1,111 13,636 203 81 Updated Oct 9, 2020

• hermes

  Hermes is a small and lightweight JavaScript engine optimized for running React Native on Android.
  C++ MIT 263 5,703 63 3 Updated Oct 9, 2020

• proxygen

  A collection of C++ HTTP libraries including an easy to use HTTP server.
  C++ 1,320 6,822 27 9 Updated Oct 9, 2020

• fboss

  Facebook Open Switching System Software for controlling network switches.
  C++ 213 650 14 12 Updated Oct 9, 2020

• facebook-nodejs-business-sdk

  Facebook Ads API using Node.js
  JavaScript 114 284 10 18 Updated Oct 9, 2020

• watchman

  Watches files and records, or triggers actions, when they change.
  C++ Apache-2.0 756 9,495 76 12 Updated Oct 9, 2020