Source : Free On-Line Dictionary of Computing

MicroStation
     
         A full-featured 2-D and 3-D {CAD} program for
        {MS-DOS}, {Microsoft Windows}, {Macintosh}, and {Unix}
        {workstations} from {Bentley Systems, Inc.}  Created in 1984,
        MicroStation is a high-end package used worldwide in
        environments where many designers work on large, complex
        projects.  MicroStation Modeler is a superset of MicroStation
        that provides {solid modelling}, and MasterPiece is
        MicroStation's {rendering} and {animation} program.
     
        (2001-04-19)