Mac-On-Mac is a software that allows users to run Mac OS X 10.0 through 10.3, Mac OS 9, OpenDarwin, and Linux in a separate window on a Mac OS X-powered computer. It requires X11 and a PPC-based Mac to operate.
LiquidMac uses a particle system to imitate liquid and responds to laptop orientation.
Wineskin Winery creates Mac OS X ports/wrappers for Windows programs/games, with an easy-to-use GUI, integrated Wine, X11 and an installer.
