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

InfoCentral (1994) 0 PIM DOS

InfoCentral is Personal Information Manager that can create and store outlines, calendars, contacts, and todo lists using an object-oriented tree structure. It features a customizable database, can "connect" to information from other windows programs, a built-in dialer, and bundles several pre-populated reference "ibases". purchased by Novell, and later owned by Corel. It was initially part of WordPerfect's "Main Street" software family. Software Inc Ecco Professional.

• 1.10

Lotus Domino (1993) 0 Communications PIM Server OS2

Lotus Domino, originally called Lotus Notes Server, is the sever software used for Lotus Notes clients. Notes is a powerful e-mail and collaboration tool. It was heavily used by large corporations. Lotus Notes and Lotus Domino competed against Microsoft Outlook and Microsoft Exchange.

• 3.x