I would too, but my mom is still working on setting up automatic syncing folders with NFS since Dropbox is just a derivative idea.

Exactly. GP's comment is the most HN thing I've every seen.

my mom uses at least python3.8

send your mom to https://element.io. nobody is asking her to run her own server(!)

When the lockdowns started I sent my relatively old parents to riot.io. They were able to get it working on their phones and tablets pretty well. The only thing we had trouble with was the riot.io-mediated jitsi multi-person video conference setup. But they handled the basic riot.io setup and 1-to-1 stuff fine.