Prograph is a visual, object-oriented, dataflow, multiparadigm programming language. It started as an Acadia University research project in 1982. A commercial version existed from 1989 to 1995, when releases stopped. Several firms have sold Prograph: The Gunkara Sun Systems, renamed TGS Systems, Prograph International, Pictorius, now Andescotia Software LLC sells Marten for the Macintosh. A Windows version has existed but was never sold. The best known version may be Prograph CPX: Cross Platform eXtensions.
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