LilyPad is a formerly Mac OS X-based application designed to preview music typeset by the LilyPond music typesetting system. Unfortunately, it is no longer compatible with current versions of LilyPond, rendering it obsolete.
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.
