LSrotator - LSRotator lets your iPhone's/iPod's lockscreen rotate according to your device's...
Cydia - An alternative app store for jailbroken devices.
Cylinder - Sexy homescreen icon animations
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
Springtomize - Tear down the walls
JazzMyApp - Let JazzMyApp surprise you with amazing apps everyday. Try it out yourself.