On March 6, Apple CEO Steve Jobs unveiled the iPhone software roadmap, released the iPhone Software Development Kit, and introduced the iPhone Enterprise Beta Program.
The iPhone Developer Program provides a complete and integrated process for developing, debugging, and distributing your free, commercial, or in-house applications for iPhone and iPod touch. Complete with development resources, real-world testing on iPhone, and distribution on the App Store, you have everything you need to go from code to customer.
You can download the FREE iPhone SDK now:
The fifth beta version of the iPhone SDK includes Xcode IDE, iPhone simulator with Open GL ES support, Interface Builder, Instruments, frameworks and samples, compilers, and Shark analysis tool.
To test your code directly on iPhone and distribute your application on the App Store, apply to the iPhone Developer Program.
DOWN LOAD THE FREE iPhone SDK
* Free sign up as a Registered iPhone Developer required to download the iPhone SDK.
Technical Requirement: Intel processor-based Mac running Mac OS X Leopard