Organics
ChemSketch v.12.0
ACD/ChemSketch Freeware is a drawing package that allows you to draw chemical structures including organics, organometallics, polymers, and Markush structures. It also includes features such as calculation of molecular properties (e.g.
Nuganics - Screen Clean Screensaver v.1.0
This is the first version on the Dirty Screen Cleaner Screensaver.