DesignWorkshop Lite	Build 3D models for home design, visualization of architecture, landscapes, exhibits, or any kind of spatial design with DesignWorkshop Lite, courtesy artifice Inc, you can also view and walk-through ready-made models created in 3DMF format, DXF, Design Workshop etc. Created by Artifice Inc
ArchT	Architectural software for IntelliCAD and AutoCAD. Created by Autodsys
AllyCAD	This is a free version that limits the size of the model file you can save. Suitable for civil, structural, architectural and surveying needs. Created by Knowledge Base Pty Ltd
Cambridge	Specifically designed to facilitate map creation, it has an interface for 3D digitizers and stereo plotters and a mask programable interface so that it can communicate directly with ANY 3D digitizer or stereo-plotter!. Screen-Shot Created by Westbrook Enterprise LLC
CYCAS	Architectural software for drafting and design in 2D & 3D. Rendering is provided by the freeware POV-Ray engine. The freeware version of their commercial product is restricted to using just one layer, printing to only A4 size, there may also be additional limits to the features offered. Screen-Shot Created by Verlag A.C.Frese For Windows & Linux
KREOnet	For laying out tiles & mosaics on floors & walls with texturing. Screen-Shot Created by Iris Fabbrica Marmi e Graniti For Windows
SketchUp	3D CAD from Google. Created by Google Inc.
Octree	The beta releases are free for now. It's a revolutionary idea in interface design that maximizes the screen space for drawing. Created by FCA GmbH and GbR HNS Platform - Unix & Windows (some limitations on Windows)
Envisioneer Express	Simple creation of floor plans, 3D models, and interior design concepts, it uses real world objects such as walls, doors, windows and stairs. Very easy to learn. Created by CadSoft Corp.