No problem with ‘going out of business’, it’s all open source: GitHub - ATOVproject/faderpunk: The Eurorack and MIDI controller with a mohawk. · GitHub
Which also means you could make a build to run locally.
And there’s already a community around it making new “Apps” for it, like the mentioned MI Grids conversion.
I wrote a review about this device Test: ATOV Faderpunk, Sequencer, Modulator, Controller - AMAZONA.de
Edit: And there’s a thread ATOV Faderpunk