UFOz

A trial version program for Mac, by Skyrocketsoftware

A simple but useful application that allows you to use your screensaver as a wallpaper

A visualization wallpaper that responds dynamically to the music and other sounds playing on your desktop

A unique screensaver clock that has many features for changing colors and other aspects of the clock

A large and varied collection of desktop wallpapers that feature an aquarium and nautical theme

Nebulous wormhole screensaver for Mac with adjustable display settings to modify star quantity and speed