Here is a list of the sources for the most commonly used applications. If there’s any that you’re after, add a comment and I’ll add it to the list.

SwirlyMMS - http://swirlyspace.com/SwirlySpace.xml

iSMS - http://iphone.nonsoft.com/repo/

Taskbarnotifier - http://dajavax.googlepages.com/repo.xml

gpsPhone - http://www.macminicolo.net/conceited/iphone/cache.plist

Wallpaper - http://www.iappaday.com/install

1.1.4 Cookie Fix - http://appledailytimes.com/installer

T-Mobile Active Diverts message eraser - http://www.sendowski.de/iphone

Polar Bear Farm - www.polarbearfarm.com/repo/

Databinge (Moleskine etc) - http://repo.databinge.com

Intelliborn - http://intelliborn.com/repo