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62 annotated links to agencies, standards bodies, nonprofits, tools and forums. Most of them go somewhere we neither own nor earn from, which is the point.
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- Practitioner or communityToolFree
Meshtastic (opens in a new tab)
Meshtastic
Open source LoRa mesh messaging on cheap hardware, no licence needed. Range claims vary wildly with terrain, so test yours before you plan around it.
- Practitioner or communityToolFree
Winlink Global Radio Email (opens in a new tab)
Winlink
Email over radio when the internet is gone, used heavily in real disaster response. It requires a licence and some setup patience, and it is the closest thing to normal messaging without infrastructure.
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