懒人iOS代码库: http://www.lanrenios.com/ios/
博客园: https://www.cnblogs.com/
CSDN: http://www.csdn.net/
环信: http://docs.easemob.com/
code 4 APP: http://www.code4app.com/
github: https://github.com/
cocoachina: http://www.cocoachina.com/
C开源中国社区: https://www.oschina.net/
慕课网: http://www.imooc.com/course/list
图标工厂: http://www.easyicon.net/
http://icon.wuruihong.com/
融云即时通讯云: http://www.rongcloud.cn/
GitHub Desktop(客户端): https://desktop.github.com
审核交流邮箱: https://www.zhihu.com/question/20074967
开发者论坛: http://devforums.apple.com