Springtomize - Tear down the walls
Dreamboard - DreamBoard lets you take control over the homescreen of your jailbroken iPhone.
Five Icon Dock - Tweaks the dock of your jailbroken iPhone so that it can fit five icons instead of four.
Five-Column Springboard - Adds a fifth column to the homescreen of your jailbroken iOS device.
Iconoclasm - Iconoclasm is a tweak that lets you break the barriers of what you can do with the app icons of...
Lockinfo - You can find this app in Cydia - Tweaks.