Source : Free On-Line Dictionary of Computing

Imperial Software Technology
     
         A {software engineering} company which emerged from
        {Imperial College} in about 1982.  It enjoys a world-wide
        reputation for technical excellence as a software product and
        technology provider in the Open Systems market.  Its flagship
        product is {X-Designer}, the award-winning {graphical user
        interface builder}.  It also has considerable expertise in the
        {Z} language and {Formal Methods}.
     
        {Home (http://www.ist.co.uk/)}.
     
        (1995-11-23)