We all know Signal, Matrix, Telegram, SimpleX, etc… But if you can’t access the internet you can’t communicate. Pretty logic. But would it be possible, at least theoretically, to create an app that permits to message people even if the internet goes down?
It might be a dumb question I really have no idea to be honest.
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Check out Reticulum Network Stack using LORA radio. Works really well.
Meshtastic can be encrypted and is LoRa based. Can easily hit nodes dozens of miles away with a good line of sight. It also relays messages across nodes to reach even further distances.
I mean this is a terrible answer, but DS pictochat fits that
pictochat FTW
No joke, I was talking about this recently. I feel like niche groups (me included) are just going full-circle back to the DS days
yggmail is a fairly obscure and experimental take on email on a mesh network: https://github.com/neilalexander/yggmail
Briar or meshtastic
scratch telegram off that list, put Session messenger there instead.
Telegram isn’t private, one guy has the master key to the whole thing
