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

Wang Freestyle (1990) 0 Utility Publishing DOS

Wang Freestyle is an "annotation" program that operates by making screen shots of DOS applications, to which the user may then add hand-written notes using a stylus or add a voice recording with a telephone-like handset. It features a Macintosh-like desktop that displays the annotated documents graphically on a proprietary high resolution monitor, and integrates a form of mail and fax.

• 1.x