Just use bluetooth or a USB cable, with relays on each device.
Keet: a P2P group chat app, powered by holepunch & pear
Holepunch: P2P platform for building apps
Github: https://github.com/holepunchto
Pear: P2P development & deploy tool by holepunch
Github: https://github.com/holepunchto/pear
The stack is;
Keet is the top level UI/UX app for users
Running various pear deployments
Holepunch is P2P base layer protocol
Tbh I still don't know how this works but have been on a mission for years to figure out how to actually connect from one device to another, truly P2P. They seem the closest to getting there, but we all (the users) have silently agreed we really don't know 'how' they're doing it (since keet is not FOSS) so how can we trust them?
Discussion
Yes, but moreso Need more so for global communication
Like HAM, meshastic or better yet, reticulum (which can use anything not just LoRa)
Yes. This is the second (or third) implemention of doing this