ACT! (1987) 12 PIM DOS

ACT!, or "Activity Control Technology", originally from Conductor Software, and later Contact Software and then Symantec, is an easy to use business relationship management system targeted at traveling sales professionals. It can track things like billable time and expenses.

• 1.10 (DOS)

VersaCAD (1988) 8 Graphics Engineering DOS

First released in 1983 by T & W Systems Inc (later Versacad Corporation) and based on their earlier T-Square product, VersaCAD is a sophisticated professional object design and drawing tool for the IBM PC. It competed heavily against AutoCAD. A very in-depth history of VersaCAD can be found on Cadhistory (PDF Link)

• 5.3