Google

https://github.com/google

Google Samples

https://github.com/googlesamples

Google Codelabs

https://github.com/googlecodelabs

GoogleChrome

https://github.com/GoogleChrome

Google Creative Lab

https://github.com/googlecreativelab

人人皆可使用的Google开源字体

https://github.com/googlei18n

Facebook

Facebook

https://github.com/facebook

Facebook Samples

https://github.com/fbsamples

facebookresearch

https://github.com/facebookresearch

Twitter, Inc.

https://github.com/twitter

Square（android开源的类库多而且厉害）

https://github.com/square

Alibaba

Alibaba

https://github.com/alibaba

hiloteam(阿里，终端跨平台小游戏)

https://github.com/hiloteam

https://github.com/hiloteam/hilo

腾讯相关

腾讯

https://github.com/Tencent

腾讯前端库

https://github.com/AlloyTeam

微信开发团队

https://github.com/WeMobileDev/article

其他

Yalantis（好几个效果不错android的控件）

https://github.com/Yalantis

SwiftAndroid

https://github.com/SwiftAndroid

Ramotion（App Development Agency | Available for new projects）

https://github.com/Ramotion

Tinify(压缩图片的那个网站)

https://github.com/tinify

豆瓣

https://github.com/douban

WeUI（微信ui）

https://github.com/weui

美团·大众点评

https://github.com/Meituan-Dianping

极光开发者

https://github.com/jpush

Dropbox

https://github.com/dropbox

伯乐在线

https://github.com/jobbole

grpc（gRPC：Google开源的基于HTTP/2和ProtoBuf的通用RPC框架）

https://github.com/grpc

Nike Inc.(耐克)

https://github.com/Nike-Inc

Medium

https://github.com/Medium

Microsoft

https://github.com/Microsoft

Mapbox

https://github.com/mapbox

JetBrains(好多ide都是他家出的)

https://github.com/JetBrains

Kotlin（可以写Android,现在已经扶正了）

https://github.com/Kotlin

ReactiveX（函数响应式编程）

https://github.com/ReactiveX

https://github.com/Reactive-Extensions

Airbnb

https://github.com/airbnb

Apple

https://github.com/apple

Uber

https://github.com/uber

Baidu EFE team（百度）

https://github.com/ecomfe

Bilibili（B站）

https://github.com/Bilibili

Yalantis（音乐播放，好多比较好的移动端效果）

https://github.com/Yalantis

https://yalantis.com/

Spring

https://github.com/spring-projects

饿了么

https://github.com/eleme

https://elelogistics.github.io/

欢迎访问我的博客http://www.yuanjingzhuang.com/