More than 600 open source projects on GitHub: (Of course, more than that on GitHub)
http://github.ibireme.com/github/list/ios/
About the 7 commonly used open source projects on iOS: (a lot has been collected on Cocoachina)
Http://www.cocoachina.com/industry/20130701/6515.html
Csdn finishing the most popular iOS and Android open source projects:
Http://www.csdn.net/tag/%E6%9C%80%E5%8F%97%E6%AC%A2%E8%BF%8E%E7%9A%84%E5%BC%80%E6%BA%90%E9%A1%B9%E7%9B%AE/news
40 Most popular iOS open source projects on GitHub:
http://blog.csdn.net/wave_1102/article/details/12173989
http://blog.csdn.net/wave_1102/article/details/12174025
iOS Open Source project list: (fork Others, if you have time, I also add some of their own)
Https://github.com/xn4545945/open-ios-projects
http://blog.csdn.net/iamfreedom2011/article/details/27266483 Project Summary
Source Address: http://wangzz.github.io/blog/2014/04/25/githubyou-xiu-xiang-mu-ios/
Other:
http://blog.csdn.net/okmengmeng/article/details/38348513 Open Source Project summary
http://blog.csdn.net/isharestudio/article/details/23832147 a weather app
Https://github.com/ShortTailLab/ph-open a card-like game
Http://www.zhihu.com/question/22914651?sort=created a discussion on iOS open source project
These are the open source projects that others have organized, are very good projects, of course, there are a lot of repetition.
There are a lot of things you can learn from open source projects (not simple copy code).
This article will continue to update .....
iOS open source project collection