Folder Replicator is a free software application that allows you to compare folders and files, and then select them for copying or deleting based on the results of the comparison. The program has an easy-to-use interface and is simple to use.
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.
