Developers of the Smart Architect range of architectural extensions to AutoCAD and AutoCAD LT, and a LISP enabler for AutoCAD LT.
http://www.drcauto.com/
Provides 4D visual planning solutions to the architecture, engineering and construction industry.
http://www.commonpointinc.com/
A series of simple tools for the design and estimation of decks, fences, pavings, and wood frame structures.
http://www.cad-quest.com/
Library of construction details and product profiles for architecture, engineering, and landscaping. Registration required to gain access.
http://www.caddetails.com/
Distributor for the ALLPLAN FT architectural CAD software in North America, with information about the product and related services.
http://www.cadconsulting-usa.com/
AEC software development company primarily involved with Microstation and Intellicad AEC add-ons and related building industry software.
http://www.bricsnet.com/
Architectural 3D design software for Apple Macintosh systems.
http://www.boa-research.com/
Software for construction and design management, with CAD tools for wood and steel frameworks and premanufactured housing.
http://www.argos.com/
Architectural CAD system for the Linux operating system.
http://www.arcad.de/
A sun and shadow modelling program for architects and town planners, working with data from DWG/DXF files.
http://www.shadowfx.co.uk/