LSrotator - LSRotator lets your iPhone's/iPod's lockscreen rotate according to your device's...
Transparent Screen Lock - Password protect your workstation or server with "Transparent Screen Lock" while monitoring programs that are running.
Cylinder - Sexy homescreen icon animations
ClearLock - A transparent screen locker.
Springtomize - Tear down the walls
Keyboard and Mouse Locker - Lock Keyboard and Mouse!