http://glowshrimpsoftware.com/sfmwts.html
It’s on my Computer for a few years now and haven’t used it alot recently … and yesterday I remembered it
Donation Ware … Please consider donating to the author.
BTW: Here is his online V2 Version which got stuck in beta: http://glowshrimpsoftware.com/SerumWavetableMaker2.html