With iFunctions, you can customize your Mac like never before. You can change the login screen background, set your screensaver as your wallpaper, change the screenshot format, enable debug menus on Apple's own programs and customize them, change the screen-sharing quality for less lag, and make files invisible and visible via a drag and drop system.
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.
