http://www.designpresentation.com
DesignPresentation, an ISO 9001:2000 company, is a leading provider of raster to vector conversion (AutoCAD and other CAD drafting, Microstation, logo designing, graphic design), desktop publishing (word processing, typing, data entry, database)
http://www.tech.oru.se/cad/varkon/
A parametric CAD system and development tool for engineering, computer aided design, and product modeling applications, with free download for Linux and Windows.