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.
Open Source @lemmy.ml victor9 @lemmy.ml 2y ago Ente encrypted open source alternativ to Google Photos. Can be self hosted and supports S3 backend ente.io
Open Source @lemmy.ml victor9 @lemmy.ml 5y ago A Homebrew Magneto-Resonance Imager (MRI) Pushes the Limits of Open Source Hardware www.hackster.io /news/a-homebrew-magneto-resonance-imager-mri-pushes-the-limits-of-open-source-hardware-7eec930679f6
The seriesguide app for Android is just about perfect. You can't self host but still