http://code.google.com/p/route-me/ http://code.google.com/p/remail-iphone/ http://code.google.com/p/core-plot/ http://ved-dimensions.blogspot.com/2009/04/iphone-development-creating-native_09.html http://code.google.com/p/pldatabase/ (BSD license) http://code.google.com/p/hpcalc-iphone/ (GPL V2 license) http://github.com/blog/329-natsuliphone-iphone-twitter-client http://code.google.com/p/tweete..