Binary Formations has released Looky 1.0 for Mac OS X (10.7 and higher). It’s available for US$0.99 in the Mac App Store.
Looky is an utility that displays a live view of your Mac’s camera on the desktop. The window is customizable, and the software offers three modes: Float, Stealth and Ego. Looky can be used for things like seeing what’s behind you without turning around, as an instant mirror for a quick crumb or makeup check.