DesignCAD - - Multipurpose software for 2D drafting and 3D solid modeling.
Evolution Computing, Inc. - - Developers of the FastCAD and EasyCAD computer aided drafting program.
Joel Orr's World of Technology - - News and articles about CAD, plus books, humor, educational resources and relevant links.
Varkon - - A parametric CAD system and development tool for engineering, computer aided design, and product modeling applications, with free download for Linux and Windows.