[kkleindev]

Last time I checked organice didn't support offline editing on mobile. If that worked it would likely also be my weapon of choice!

[ParetoOptimal]

Looks like it still doesn't:

https://github.com/200ok-ch/organice/issues/730

You might be able to run something with WebDAV support and use that?

Maybe sabre or caddy plus WebDAV plugin?