CADCON is an extension to AutoCAD or Architectural Desktop for structural and building services design.

A plant design and construction toolkit connecting AutoCAD with database functionality.

Software for Cogo, legal descriptions, TIN models, contours, and sections, based on AutoCAD and LandDesktop.

A 2D application program for AutoCAD and IntelliCAD for producing architectural working drawings.

Architectural symbols and routines for AutoCAD [requires Javascript for navigation].

Software for accessing and editing facility management data in AutoCAD with an integrated MS Access interface.

AutoCAD extensions EasySite for terrain modelling and visualization, and EasySurf for mapping and road development, as well as related symbol libraries.

Manufacturers of the 3D+ parametric 3D structural modeling and drawing application with integrated analysis and design.

HVAC and electrical building design and drafting software for AutoCAD.

Developers of the Smart Architect range of architectural extensions to AutoCAD and AutoCAD LT, as well as a 3D modeller, and a LISP enabler for AutoCAD LT.

AutoCAD extension for fire sprinkler designers. The program aids in design, hydraulic calculations and material listing.

Offers general drafting tools as well as LandARCH, a landscaping application for AutoCAD.

Free and commercial AutoCAD LT and MicroGDS add-ons for drawing reinforcement bars and insulation.

Offers an IFC-Interface for Architectural Desktop, which allows to exchange architectural data according to IAI standards.

An online data acquisition application for use with AutoCAD and the LEICA TPS300 Series Total Stations.

Electrical, instrumentation, and plant design software for AutoCAD LT, with isometric drafting and BOM functionality.

Timber Frame software for the housing and construction industries. Products consist of Construction Designer Modules, as well as training and consultancy.

SmartLister AutoCAD extension to retrieve cut lists and bill of materials from 3D solid model assemblies, for home building and furniture work.

2D and 3D structural detailing software for concrete and steel. Use as stand-alone, with AutoCAD or AutoCAD LT.

Offers the PERICAD AutoCAD extension and ELPOS for formwork planning with PERI Formwork and Scaffolding.

A 3D roof modelling shareware for AutoCAD.

Extensions to Architectural Desktop offering utility functions, dormer construction, and layer management.

Application for steel detaling in AutoCAD, with automatic bill of materials.

Suite of parametric driven modules that provide tools and macros related to the preparation of structural engineering drawings.

Surveying, coordinate geometry, digital terrain modelling, and drafting applications for Intellicad and AutoCAD, as well as free autolisp routines.