Useful iPhone development resources

A continuously growing list of useful iPhone development resources

Development

Cocos2D for iPhone – free 2d game development framework for iPhone. Plenty of documentation and examples, really easy to use after a very short learning curve.

Unity3D – although the basic version is free (letting people learn to use this), the commercial Unity iPhone version costs $399 or $1499. This is a big NO in my books.

AccSim – Accelerometer Simulator – a free utility to send your iPhone Simulator accelerometer signals from the real iPhone. Useful for quick(er) app testing.

Reference and Q&A

Apple’s Developer Forums

Cocos2D for iPhone forum – meeting place of Cocos2D – iPhone users, plenty of iPhone development related questions, game development topics and discussions about AppStore and game marketing

Chipmunk Physics documentation – a simple 2d physics library included in Cocos2D-iPhone, easy to understand and use.

StackOverflow – probably the most active Q&A community. You’ll find the answers to most of your development questions here.