Senebier is a free task switcher for Mac OS X. It can be activated by pressing the Option Tab. When activated, a list of available applications appears on the screen. To use Senebier, open the "Universal Access" panel in System Preferences and enable "Access for Assistive Devices" at the bottom.
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.
