SyncJe for Mac is a program that synchronizes your Mac Contacts, Calendar, and Tasks with SyncML servers. It can also synchronize your Contacts with your Google account. Once you set it up, you don't have to worry about it again as it will automatically sync your Mac. Additionally, it backs up your information, so if you ever have to replace your Mac, you won't lose your data.
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.
