As I’m just starting to develop Comeks client for iPhone, I’ll gather here some links of good iPhone developer resources.

General

• iPhone Dev Center - Official Apple Support, you  need to register to the developer program
• iPhone Devver - a nice search engine for iPhone development
• XCake Wiki - Wiki for Cocoa programming

Tutorials

• Stanford iPhone Development Course - Complete Lectures (PDF)
• Creating your first iPhone application - Tutorial on making a calculator for iPhone
• Cocoa Touch Tutorial: iPhone Application Example
• iDevKit Tutorials & Samples
• iPhone SDK Articles - A nice collection of tutorials
• iPhone Programming Tutorial - Transitioning Between Views - basic tutorial on IB and how to move between views

Discussion Forums

• iPhone Dev SDK Forum
• Google Groups - iPhone SDK Development

Blogs

• iCodeBlog
• iPhone Development Blog
• iPhoneDevelopmentBits.com/
• iPhonedevelopment.blogspot.com
• Under The Bridge
• jsus.is-a-geek.org

Sample Code & Open Source

• touchcode Repository of iPhone and iPod Touch source code, including TouchJSON, TouchXML and more.
• PackLog
• iPhoneComic viewer
• Transport (a.k.a GottaGo)
• metasyntactic
• To find more, search Google Code Projects

Webkit

• iWebKit create high quality iPhone and iPod touch websites in a few minutes.

Memory Management

• Using CLANG static analyzer with an iPhone project
• 10 iPhone Memory Management Tips
• Debugging memory based crashes on iPhone

Deployment & Marketing

• Veiled Games
• Phone App Reviews - AIR application to check worldwide reviews of your app
• web-interfaced App Store Scraper

Code Snippets

• Image resizing: http://ofcodeandmen.poltras.com/2008/10/30/undocumented-uiimage-resizing/
• NSURLConnection POST to send & receive data