Hello Topgun:
Equisim, I am quite sure is still alive and well. Yes, JustRalph can tell you a great deal about this program as he is very attuned to its many attributes. Both he and I have been fans of the Equisim program and its developer Nathan Miserocchi since its inception or early stages of development. Outstanding program that even allows the user to most effectively utilize results in a database to create their own effective and most lucrative plays. Many excellent users have even developed their own formula views (algorithms) which were awesome at fitting many types of plays like a glove to find those horses that one may often miss utilizing universal maxims or standard techniques often considered to be within traditional handicapping.
Wonderfully put together program by a Top Notch (Total Class Individual) in Nathan M.
At your convenience, if you are so inclined you can visit his site and reach out to him (I believe that he may still even offer a Demo Version) at:
www.thorotech.com
All the BEST!