Dotsoft MapWorks is Civil/Survey Mapping & GIS software for CMS IntelliCAD. It is a modular system covering the major areas of alignments, design, geotech, parcels, points, sections, surfaces, and more.
Easy Installation: The install program adds the application so that it is automatically loaded with your CAD application. Add MapWorks functionality to third party software and custom menus without problems. Control the application with your choice of command line entry, pulldown menu, or ribbon interface.

http://dotsoft.com/mapworks.htm