PowerCAD CAD program in 2D/3D for architectural and mechanical applications, with AutoCAD compatibility features. http://www.powercad.com/

Touch-3D 3D modeling, unfolding and unwrapping program for Macintosh and Windows, and free-form add-on MCnurbs Creator for VectorWorks and MiniCad. http://www.algonet.se/~ludesign/

Evolution Computing, Inc. Developers of the FastCAD and EasyCAD computer aided drafting programs http://www.fastcad.com/

Joel Orr's World of Technology News and articles about CAD, plus books, humor, educational resources and relevant links. http://www.joelorr.com/

DesignCAD Multipurpose software for 2D drafting and 3D solid modeling. http://www.DesignCAD.com/

solidThinking Modelling software that supports NURBS, polygonal modeling, and subdivision surfaces, available for Windows and Macintosh. http://www.solidthinking.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/

Rendermax Provide 3DSMAX and 3D Studio VIZ rendering solutions. Offer the equivalent of 100Ghz of P4 rendering power for outsource rendering for any project, animation, or still rendering. http://www.rendermax.com/