Xsteel and PowerFrame software for steel stucture modelling and analysis, and PowerPlate FEM for analysis of plate and grid structures. http://www.construsoft.com
Offers the HyperSteel structural application for AutoCAD, and the SDDP steel design and detailing program for CADDS, as well as custom development. http://www.dsc.de/
Real Steel CAD system for structural engineering aimed at 3D modeling, analysis and design, connection detailing, and automatic generation of drawings and reports. http://www.realsteel.lt/en/