OpenEmulator is an easy-to-use, accurate, and portable emulator for legacy computer systems. It utilizes an Inversion of Control design pattern to wire software components through an XML description, allowing for the expansion of the emulation with additional software devices.
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.
