Some alpha/beta psychedelic funkin' state LV2 modular synth projects in the awesome n amazing Carla plugin/etc host with session management from NSM.
For information about LV2/JACK CV, see this post. I would not want to be someone using a non-rolling release Linux distribution that doesn't have access to the AUR if I were getting in to all this.
(This is the NSM version of https://github.com/mxmilkiib/carla-modular-synth-tests, not all previous projects have been imported yet.)
For Arch Linux users: