IOS开发资料和开源代码Part2(不断更新ING) http://maniacdev.com/2010/06/35-open-source-iphone-app-store-apps-updated-with-10-new-apps/各种关于IOS开发的源码,教程,新闻,控件,第三方库 http://ntt.cc/2010/09/05/50-open-source-iphone-apps-for-iphone-developers.html。同上,值得学习