Simple Flashlight - A clean flashlight with an extra bright display and customizable stroboscope.
ClearLock - A transparent screen locker.
Screen Torch Advanced 2 - "Screen Torch Advanced 2", is an handy torch program. It only uses devices' backlight.
BlueLife KeyFreeze - FREE Windows application that blocks your keyboard and mouse without “locking” the screen.
Flashlight - Control your Mac with a keystroke.
VBLock - Converged Infrastructure