iOS Game Development Toolkit

Obviously the software you use will depend on your own requirements and tastes but for me this list represents my iPhone game development toolkit.

Hardware

1. A Mac 1.83 GHz Intel Core Duo, 2 GB RAM with 13" is fine to go.
2. A graphic tablet. Wacom tablet is recommended. This is optional thing for graphic designing.
* for Windows users, read here.

Software

Coding/Programming
1. Xcode & iPhone SDK free
2. cocos2d offers some great methods for handling layers, sprites, and menus. free

Graphics
1. Inkscape is a kind of vector graphics software which is open source. free
2. Adobe Photoshop trial
3. Pencil Animation lets you draw vectors frame by frame, also providing a traceable outline of your previous image. free

Sound
1. CFXR lets you create sound effect in a matter of minutes. free
2. Bitnotic Chill lets you create soothing background music. trial
3. Audacity let you edit sound tracks, esp, before editingn in Bitnotic Chill to get final background music. free

Project Management
1. Process 3 lets you create checklists of tasks, gathers resources for researching your project. trial
2. OmniOutliner extends Process 3 but much more free form. trial

Distribution
1. iPhone Developer Program lets you release your game to AppStore. $99/years

Promotion
1. Wordpress/Blogger free
2. Jing allows you to capture video cast of your computer screen and exports to flash video which is useful for distributing gameplay footage and trailers. free
3. Twitter/Facebook/G+ free

Implementation/Resource

IPHONE HUMAN INTERFACE GUIDELINES
IOS APPLICATION PROGRAMMING GUIDE
IOS DEVELOPMENT GUIDE
YOUR FIRST IOS APPLICATION
HOW TO MAKE AN HTML5 IPHONE APP

CSS iPhone
Well-Placed Pixels
Mobile Awesomeness
Apple WebApps

IPHONE GUI PSD VERSION 4