Voice Box is a Mac application that allows your computer to speak text as you type and also save the text out as a spoken sound file. You can modify the voices using pitch and rate.
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.
