iChecker is an app that verifies and checks hardware information and warranty status of Apple devices based on their serial numbers. It also allows users to add warranty information to their iCal calendar.
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.
