I have a full batman-adv mesh on openwrt routers. That's maybe what you are after? Full guide in the link https://cgomesu.com/blog/Mesh-networking-openwrt-batman/
Also on Odysee (at least an alternative) https://odysee.com/@fireship:6/paying-for-software-is-stupid%E2%80%A6-10-free:5
Not much help right now, but looks like voyager has it on the road map. https://github.com/aeharding/voyager !voyagerapp@lemmy.world
Can't see why not. Personally I'll be paying for them(ente) to host it for me to support development.
The seriesguide app for Android is just about perfect. You can't self host but still