DockMate adds mouse over window previews to the Dock, with useful built in window management tools. It also includes special views for Music and Calendar apps that gives you quick information and basic controls. You simply hover over an applications icon in the Dock to see all of its running windows and control them.
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.
