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BriarJami
Free

Free and open source under the GPL.

 Free

Free software under the GPLv3 or later. A GNU project with no paid tier.

Linux, Android Windows, macOS, Linux, Android
  • Works with no internet at all, over Bluetooth or local Wi-Fi
  • No central server and no phone number or email needed
  • Completely peer to peer, with no server relaying data between users
  • No phone number or email needed to create an account
  • Currently in maintenance mode, with limited new development
  • Both devices must be online at the same time to exchange messages
  • Peer-to-peer delivery means messages to an offline device wait until it reconnects
  • Connection reliability varies more than with a server-relayed service
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked September 22, 2026

Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.