Over the time I had quite some ideas for projects; on some I started, others I improved to a stable and feature complete state. Some have been abandoned. This page features almost all of them.I'd like to emphasize that this page only lists "pre-historic" projects. Recent stuff can be found on GitHub.
To get a full picture check on
A lightweight Wiki/CMS system based on Python Django
A work-in-progess project for calculate the paths in geometrical optics