Taronites

My oldest Sculptris files are from 2010. This time Sculptris was already one year old.
Now - 9 years later - Autodesk reinvented it for Mudbox but without smoothing poly rendering as it looks like.
https://www.youtube.com/watch?v=lTubn6dTGMk

This is also some cool and free and online!
https://stephaneginier.com/sculptgl/