2D-CAD. Primarily for mechanical, architectural and diagramming. Suitable for professionals with complex drawings, but also approachable and easy to learn for newcomers. Comprehensive manual and online help. Emphasis on drawing speed, efficiency and elegance of use. Compact feature-set. Save drawings in industry standard DXF format. Short term (30-Day) licenses available.

DSYMS for AutoCAD LT
A single Pulldown Menu symbols library Add-on for AutoCAD LT97, LT98 and AutoCAD LT2000/LT2000i/LT2002, geared towards the 2D ARCHITECTURAL and Interiors disciplines.

Domus.Cad Mac
Domus.Cad is an architectural 3D CAD program. It is a tool for the design and modeling of architecture, interior, landscape, and urban spaces.

Easy CAD to SVG Converter
Convert DWG to SVG, DXF to SVG, DWF to SVG without the need for AutoCAD! You can specify output width and height, scale the line weight, choose model space, paper space, active layout, or all layouts. Easy CAD to SVG Converter is quality freeware.

ISS Foresight
Experience 3D rapid prototyping as only ISS Foresight can deliver it. Effortlessly add 3D objects and elements, each of your changes and additions created in the 2D Designer are applied instantly in the 3D Navigator. Visit iss3d.com for Tutorials

FlashDWG-DWG to Flash Converter 2005
FlashDWG is a dwg to flash converter, is the best way to share and publish AutoCAD DWG files on the web. FlashDWG is a dwg viewer without need of dwg viewer. demo file: http://www.autodwg.com/dwg-to-flash/flash2.htm