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Turbo Professional is a library of utilities, source, and documentation for turbo Pascal programmers. Includes TSR management, BCD arithmetic, windowing, menuing, EMS and XMS access routines, large arrays, macros, runtime error recovery.
VisiCalc was the first spreadsheet program for personal computers. It was extremely successful, and pivotal as it was significantly responsible for moving personal computing out of the realm of hobbyists and in to the realm of serious business tools. application suite that also included VisiWord, VisiFile, VisiSpell, VisiTrend/Plot, and VisiTutor. a GUI based environment. But that did not catch on. The similarly named Visi On Calc spreadsheet is not at all related to VisiCalc, and later had to be renamed to Visi On Plan.
XVision, from Visionware, is a commercial X-Windowing "server" for connecting client Windows 3.x computers to Unix and VMS systems.