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.

BOM4CAD 2007 - Automatic numbering
BOM4CAD 2007 is an AutoCAD 2007, 2008 and 2009 application for automatic numbering in the drawing with number annotations. It can create annotations build with leader entity and unique sequence number either in decimal, alpha or roman number style.

DWGSee DWG Viewer 2006
A lite and fast dwg viewer with ACDSee-like interface, browse , view and print DWG, DXF files. Supports AutoCAD 2005 drawing format.

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

AutoQ3D Community
Start right away exploring 3D CAD with this Open Source Free 3D Editor released under the GNU GPL License

PDSYMS DXF Symbols Library
PDSYMS v2.0 is an Architectural/Interiors DXF-FORMAT Symbols Library Add-on for all CADD packages running on all platforms and Operating Systems.