Windows Mobile 6.0 Upgrade for Sprint PPC-6700 and Verizon XV6700: XDA-Forum

iRCm: GUI based native IRC client for Apple iPhone. You can join channels, issue IRC commands and take part in conversations. Download here

MobiMoon: Free Java J2ME mobile application that displays Moon phase and Hijri date on mobile phone. Works on Nokia, Sony Ericsson and Motorola. Download for MIDP 2.0.

Audi Mobile: Audi USA is providing free MP3 ringtones and wallpapers for mobile phones.

Windows Mobile Owner’s Circle: Free Mobile Games, Applications, Maps, Application, Wallpapers, Themes, Support & Help for Windows Mobile owners by Microsoft.