AdMob.com -Advertisement for Mobile Content
http://www.admob.com/
Mobclix.com -Another Good Mobile Advertiser
http://www.mobclix.com/
Elance.com -Marketplace for Outsourcing Projects
http://www.elance.com/
Freelancer.com -Further Recommended Platform for Outsourcing
http://www.freelancer.com/
Cocos2D -Great OpenGL Graphics Framework for iPhone (Free)
http://www.cocos2d-iphone.org/
Box2D -Reliable Physics Engine for iPhone Game Development
http://www.box2d.org/documentation.html
Box2D Testbed -Source Code that Demonstrates Box2D Examples
http://code.google.com/...
Chipmunk Physics -Great Physics Engine Alternative
http://code.google.com/p/chipmunk-physics/
Raywenderlich.com -Nice Tutorials & Entry Point for iPhone Game Programming
http://www.raywenderlich.com/tutorials
71squared.com -Perfect Place to Learn iPhone Game Development
http://www.71squared.com/iphone-tutorials/
OpenGL ES Quality Tutorials for iPhone
http://iphonedevelopment.blogspot.com/...
Sound-Effect.com -Sound Effects for Apps
http://www.sound-effect.com/
AndEngine -Smooth & Free 2D OpenGL Game Engine for Android
http://code.google.com/p/andengine/
Fotolia.com -Platform for Royalty-Free Stock Images
http://www.fotolia.com/
iStockphoto.com -Another Marketplace for Royalty-Free Stock Images
http://www.istockphoto.com/
Deviantart.com -Top Resource for Digital Arts
http://www.deviantart.com/
Graphicdesignblog.org -Graphic Design Resources and good Entry Point for this Topic
http://www.graphicdesignblog.org/
Interesting Place about Graphic Design
http://www.blog.spoongraphics.co.uk/
TortoiseSVN.net -Tool that Makes Managing Projects at Google Code Easier
http://tortoisesvn.net/