SuperCal is a visual display calibrator that can measure and correct most conventional displays, including LCDs, CRTs, and projectors. It doesn't require any hardware measurement devices, instead relying on your eyes for accuracy. SuperCal takes into account the fact that LCDs don't behave like CRTs, as well as the flaws of most displays.
Wineskin Winery creates Mac OS X ports/wrappers for Windows programs/games, with an easy-to-use GUI, integrated Wine, X11 and an installer.
LiquidMac uses a particle system to imitate liquid and responds to laptop orientation.
