Threshold is a universal quick entry text field for all your applications on OS X. It is now better integrated with many great apps, and can be accessed with a shortcut (default is option-space).
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.
