1.Google

1.Google

https://github.com/google

2.Google Samples

https://github.com/googlesamples

3.Google Codelabs

https://github.com/googlecodelabs

4.GoogleChrome

https://github.com/GoogleChrome

5.Google Creative Lab

https://github.com/googlecreativelab

6.Google Internationalization

人人皆可使用的Google开源字体

https://github.com/googlei18n

7.tensorflow

https://github.com/tensorflow

2.Facebook

1.Facebook

https://github.com/facebook

2.Facebook Samples

https://github.com/fbsamples

3.facebookresearch

https://github.com/facebookresearch

4.Facebook Incubator

https://github.com/facebookincubator

3.Twitter, Inc. https://github.com/twitter

4.Square（android开源的类库多而且厉害） https://github.com/square

5.Alibaba

1.https://github.com/alibaba

2.hiloteam(阿里，终端跨平台小游戏)

https://github.com/hiloteam

https://github.com/hiloteam/hilo

3.ant-design(一套企业级的 UI 设计语言和 React 实现)

https://github.com/ant-design

6.Kotlin（可以写Android,现在已经扶正了） https://github.com/Kotlin

7.ReactiveX（函数响应式编程） https://github.com/ReactiveX

https://github.com/Reactive-Extensions

8.Airbnb https://github.com/airbnb

9.Apple https://github.com/apple

10.Uber https://github.com/uber

11.百度

1.Baidu EFE team

https://github.com/ecomfe

2.baidu-research

https://github.com/baidu-research

3.echarts

https://github.com/apache/incubator-echarts

12.Bilibili（B站） https://github.com/Bilibili

13.Yalantis（音乐播放，好多比较好的移动端效果） https://github.com/Yalantis

https://yalantis.com/

14.Spring https://github.com/spring-projects

15.饿了么 https://github.com/eleme

https://elelogistics.github.io/

16.腾讯相关

1.腾讯

https://github.com/Tencent

2.腾讯前端库

https://github.com/AlloyTeam

3.微信开发团队

https://github.com/WeMobileDev/article

17.Yalantis（好几个效果不错android的控件） https://github.com/Yalantis

18.SwiftAndroid https://github.com/SwiftAndroid

19.Ramotion（App Development Agency | Available for new projects） https://github.com/Ramotion

20.Tinify(压缩图片的那个网站) https://github.com/tinify

21.豆瓣 https://github.com/douban

22.WeUI（微信ui） https://github.com/weui

23.美团·大众点评 https://github.com/Meituan-Dianping

24.极光开发者 https://github.com/jpush

25.Dropbox https://github.com/dropbox

26.伯乐在线 https://github.com/jobbole

27.grpc（gRPC：Google开源的基于HTTP/2和ProtoBuf的通用RPC框架） https://github.com/grpc

28.Nike Inc.(耐克) https://github.com/Nike-Inc

29.Medium https://github.com/Medium

30.Microsoft https://github.com/Microsoft

31.Mapbox https://github.com/mapbox

32.JetBrains(好多ide都是他家出的) https://github.com/JetBrains

33.滴滴出行 https://github.com/didi

34.华为

1.主团队

https://github.com/Huawei

2.大数据团队

https://github.com/HuaweiBigData

35.小米 https://github.com/xiaomi

36.知乎 https://github.com/zhihu

37.vue https://github.com/vuejs

38.iView https://github.com/iview

39.Node https://github.com/nodejs

40.Fuchsia https://github.com/fuchsia-mirror

41.Flutter https://github.com/flutter

42.Apache https://github.com/apache

43.AMAP-Demo(高德开放平台示例中心) https://github.com/amap-demo

44.GitHub https://github.com/github