This guy has provided quite a few modules for vcv rack btw, i quite like his work.
I agree, Vult is actually a nice alternative to FAUST, it's a bit faster to code. The @table feature is cool. I don't really know OCaml so I cant judge the language as much but I'll probably have a play with Vult especially because it easily seems to transpile to pd externals which id usually do with FAUST.
I dont know the added value for OWL platform either but let me know if you're planning on doing anything with Vult.