Ported the old Psymachine tool to nodeJS and added the Scale Finder tool into it too. Source at GitHub - robcowell/psymachine_v.0.2_web · GitHub
Should mean you can run it on Windows/Mac/Linux whatever now.
[Footnote : for years I thought the original was written by Arguru (I think I originally got it from an archived copy of his old site), but threads on this forum suggest it was written by Tenda. Can anyone clarify?]