This is a list of software vendors, together with brief description and links without any qualitative comment or endorsement.

1)In the UK, (in early 2013), the number of downloads of the vendor specific manufacturer objects from the freely accessible NBS 'National BIM Library' chosen from the available content formats of ArchiCAD, Bentley, IFC, Revit and Vectorworks may provide a sense the proportion of relative activity across software solutions - this is indicated in the diagram. Note that this particular dataset is likely to be dominated by architectural users.