GSDesktopHelper is a Mac application that provides users with global keyboard hotkeys, media keys, or a combination of both. It requires a VIP membership to Grooveshark and Grooveshark Desktop.
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.
