Amethyst CADwizz - - CAD viewer, that views AutoCAD DWG and DXF, files. Save files in any version of AutoCAD, zoom, pan, rotate, and print your drawings, display 3D views; modify layer color and visibility settings. Time-limited trial.
CNC CAD CAM Package - - Graphic oriented programming that produces G-codes. Complete documentation and support. [DOS/ Windows.
Internet Model Optimizer - - Optimizes complex 3D models, which originate from CAD/CAM/CAE systems and other sources, for use on the Internet. [Win95/98/Me/NT/2000.
ViewCompanion - - Application for viewing and printing HPGL and HPGL/2 files, generated by your CAD program, or plotter driver. It can also convert files to many other standard formats.