Springtomize - Tear down the walls
Winterboard - Give your iPhone or iPod Touch a graphical overhaul!
Infiniboard - Vertically scroll your home screen pages!
Dreamboard - DreamBoard lets you take control over the homescreen of your jailbroken iPhone.
Infinidock - Infinidock is the ultimate dock customization tool for jailbroken iOS devices.
Cylinder - Sexy homescreen icon animations