Visual Thought was a drawing tool from a crowd called Confluent. It ran
on both Windows and Unix. Produces JPG, GIF, WMF, EPS and other export
Supports a variety of OO paradigms, UML, ER, SSAD, Flowcharts, circuits and
other types of drawing.
It is simple to use, but it is a drawing tool, not a code development
Very very sadly the company went out of business. However before they
did, they provided an installer VT15.EXE
and an installation licence that runs until 2013. VT_licence.txt also includes installation
instructions on installing the key.