About model and data exchange with 3rd party solutions: Revit, Solibri, dRofus, Bluebeam, structural analysis solutions, and IFC, BCF and DXF/DWG-based exchange, etc.
Phil Reed, who used to be with AutoDesk Revit, and his team has been working on a suite of tools for BIM products including ArchiCad. Check this preview of VEO out: