ARCAD
Architectural CAD system for the Linux operating system.
www.arcad.de Details

Amethyst ShadowFX
A sun and shadow modelling program for architects and town planners, working with data from DWG/DXF files.
www.shadowfx.co.uk Details

ArCon
A 3D CAD software for use in civil engineering, architecture, and interior design.
www.arcon-software.com Details

Argos Systems, Inc.
Software for construction and design management, with CAD tools for wood and steel frameworks and premanufactured housing.
www.argos.com Details

Artifice, Inc.
Develops and markets DesignWorkshop, an architectural 3D modelling software for Windows and Macintosh.
www.artifice.com Details

Autodesk Revit
Revit is a parametric building modeler for architects, with intelligent building components, views, and annotations.
usa.autodesk.com Details

BOA
Architectural 3D design software for Apple Macintosh systems.
www.boa-research.fr Details

Blocklayer.com
Various geometric online-calculation tools for concrete blocks, stairs, and other construction design tasks.
www.blocklayer.com Details

BricsNet
AEC software development company primarily involved with Microstation and Intellicad AEC add-ons and related building industry software
www.bricsnet.com Details