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SessionAnonomi Messenger
Free

Free and open source under the GPL 3.0, run by the Session Technology Foundation.

 Free

Free and open source under the GPL 3.0 or later.

Windows, macOS, Linux, Android, iOS Android
  • No phone number or email needed; the account is a random ID
  • Onion routing hides your address from recipients and from the network
  • No central servers to seize or monitor
  • Routes traffic through Tor
  • Losing your recovery phrase means losing the account with no reset
  • Delivery can be slower than a centralised messenger
  • Android only
  • Small, young project with a limited user base
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: GPL-3.0-or-later
No account needed Not stated if an account is needed
Works offline Works offline

Checked September 21, 2026

Checked October 2, 2026

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