gitHub

apple
https://github.com/apple

google
https://github.com/google

facebook
https://github.com/facebook

微软
https://github.com/Microsoft

百度：
https://github.com/baidu
https://github.com/fex-team

阿里巴巴
https://github.com/alibaba

腾讯

https://github.com/Tencent

微博
https://github.com/weibocom

小米
https://github.com/XiaoMi

360
https://github.com/Qihoo360

WordPress iOS下图文混排编辑可以看下
https://github.com/WordPress