BlueLife KeyFreeze - FREE Windows application that blocks your keyboard and mouse without “locking” the screen.
Five Icon Dock - Tweaks the dock of your jailbroken iPhone so that it can fit five icons instead of four.
Keyboard and Mouse Locker - Lock Keyboard and Mouse!
Winterboard - Give your iPhone or iPod Touch a graphical overhaul!
Transparent Screen Lock - Password protect your workstation or server with "Transparent Screen Lock" while monitoring programs that are running.
Cylinder - Sexy homescreen icon animations