RosettaTest is a program that can tell you if an application running on Mac OS X is natively supported by Intel processors or is being dynamically translated by Rosetta. If the program is being translated, a small red indicator labelled 'R' will be displayed on the application icon.
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.
