Hydra Pro helps you create HDR images on your Mac.
convert images to 1-bit using the HyperCard algorithm
EarthDesk replaces your static desktop picture with a rendered image of Earth showing correct sun, moon, and city illumination.
Control a ball of grey goo with the ability to eat anything smaller than itself.
Utility that finds great photos from National Geographic website and allows you to use them as your desktop Wallpaper.