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True P2P voice- and video phone calls without the need for accounts or access to the Internet. There is no discovery mechanism, no meshing and no servers. Just scan each others QR-Code that will contain the contacts IP address. This works in many off-the-grid networks such as community mesh networks but also in company networks or at home.


  • voice and video calls
  • no accounts or registration
  • encrypted communication
  • database backup and encryption
  • add custom addresses to reach contacts


  • no calls through firewalls / NAT borders
  • no calls after MAC / IP address change


Get it on F-Droid Get it on GitHub Get it on Google Play



Visit to contribute translations. An alternative is to directly translate the values in strings.xml and then to create a pull request or send it via Email.


Meshenger connects to IP addresses in a true P2P fashion. Contacts are shared via QR-Code. They contain a name, a public key and a list of MAC/IPv4/IPv6 addresses or domain names. By default, only a single MAC address is transferred and used to create an IPv6 link local address (among others) to establish a connection. This does not even need a DHCP server. The exchanged public key is used to authenticate/encrypt signaling data to establish a WebRTC session that can transmit voice and video.

Details can be found in the Documentation or in the FAQ.

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This list only contains Open Source projects.

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