DesignCAD 
Multipurpose software for 2D drafting and 3D solid modeling.
http://www.designcad.com/
GIS Consulting 
Toyo Computers is a professional organization offering GIS consulting and a host of other services worldwide.
http://www.gis-cad.com
Joel Orr's World of Technology 
News and articles about CAD, plus books, humor, educational resources and relevant links.
http://joelorr.squarespace.com
PowerCAD 
CAD program in 2D/3D for architectural and mechanical applications, with AutoCAD compatibility features.
http://www.powercad.com/
Varkon 
A parametric CAD system and development tool for engineering, computer aided design, and product modeling applications, with free download for Linux and Windows.
http://www.tech.oru.se/cad/varkon/
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