ArCADiasoft (formerly INTERsoft) released in 1997 is a comprehensive, object-oriented BIM system, that enables various designers to collaborate in an easy and intuitive way. ArCADiasoft is a user-friendly tool for comprehensive calculation/graphics support of a building engineering design process, which allows communication between individual fields. It includes collision detection and import/ exports in well known formats: IFC,DXF,DWG and ACP.
ArCADiasoft is the biggest Polish manufacturer of software for building engineering. ArCADia is written in the BIM technology and includes modules for architecture, constructions and installations.