The Best 28 The Serval Mesh Alternatives
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Loud-Hailer
Loud-Hailer works like a walkie-talkie, letting you send messages from your iPhone to others nearby without cell reception, WiFi or an Internet connection. You can even...
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offline-Chat
Offline Chat allows you to establish a local chat session with your peers within your perimeter without the need to have an active internet connection or mobile internet.
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Snap Messenger
Poor connection? Network down? No problem with the new messaging app Snap Messenger.
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wave off the grid chat!
Wave! Communicate with each other securely when you have no Internet connection or mobile phone coverage!.