GroupWise (1997) 1 Communications PIM Server DOS

Originally created by WordPerfect Corp in 1987 as WordPerfect Office (groupware), and acquired by Novell in 1994 where it became GroupWise, GroupWise is a cross-platform collaboration platform that includes email, calendaring, personal information management, instant messaging, and document management.

• 5.x

GUIDO Music Learning System (1996) 0 Audio DOS

First Released in 1986 by the University of Delaware, GUIDO (Graded Units for Interactive Dictation Operations) was self-paced Ear Training instructional software designed by and for use at the University of Delaware. It was originally programmed on a Burroughs 6700 and later ported to the PLATO system, before it was redesigned for use on the IBM-PC/XT/AT.

• 2.1