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.
AUS WinDoorBuilder is available to Select Subscribers from the Graphisoft Australia website, but it is currently only for version 18. The Archicad 19 version is not yet available.