Apologies for the light posting. I’m teaching a new course for me: General Chemistry II, and the load for lecture prep has been substantially higher than normal.
We just had BKChem submitted as a software link for our Molecular Viewers and Editors section. BKChem is free chemical drawing program with many features, written in python. It outputs in SVG, PDF, and can generate SMILES strings (which are strings that contain information about chemical connectivity).
Check it out!
[tags]free software, chemistry[/tags]
It is the best open source 2D drawing application I have found. I recommend it.