LinuxMusicians

A little complicated, but very interesting!

https://www.codefn42.com/transition/index.html

It's made for Windows, so Wine + Airwave or Linvst are required.

Good find. Quite interesting. Runs fine with wine-staging/linvst in Linux MInt 18 KDE.

A couple of other plugins from the same author seems also interesting and useful.

Cheers.