Freeware IFC model viewer. It allows to view the virtual models coming from CAD systems like Revit, Archicad, Advance, DDS CAD, Tekla, Nemetschek VectorWorks, Bentley, and others without necessity of having commercial licenses of these systems.
FZKViewer visualises the sematic data models IFC, CityGML und gbXML. Supported Versions: IFC 2x, IFC 2x2, IFC 2x3 and corresponding ifcXML; CityGML 0.4.0, CityGML 1.0.0, CityGML 2.0.0, ADE Noise, ADE Subsurface Structure, ADE Bridge
Solibri Model Viewer (SMV) is the software that everyone should use within the construction industry. It’s free of charge and allows you to open all Standard IFC and Solibri Model Checker Files. Transparency is given on open issues and challenges.