SecretDesktop is an application that lets you hide desktop icons temporarily so you can take a screenshot or simply keep your desktop clean. You can toggle the hidden state with the shortcut of Shift + Command + H. The system supports multiple screens and work-spaces.
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.
