Mobile design guidelines

• Article about mobile design
• Mobile web design trends for 2009
• Coding for mobile web
• Make your Site Mobile Friendly
• 7 usability guidelines for websites on mobile devices
• W3C Mobile Web Best Practices
• Mobile rendering on different browsers
• Mobile web developers guide
• Mobile trends for 2008 – Slides

Showcases

• Mobile Design Showcases – PDF
• Mobile sites directory
• Mobile Awesomeness showcase

Community & networks

• The mobile community network
• The mobile developers mobile forge
• Mobile phone devices atlas

Tutorials

• XHTML-MP tutorial
• Setting up WAP Servers for Hosting WAP 1.x or WAP 2.0 Sites
• Detecting User Agent Types and Client Device Capabilities
• Tutorial about Uploading Files from WAP Cell Phones

Validation & testing

• W3C mobile validator
• ready.mobi

Simulators

• List of known emulators
• Opera mini simulator
• mltd emulator
• WAP proof
• Openwave phone simulator