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QuietSession
Free

Free and open source under the GPL-3.0 licence.

 Free

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

Windows, macOS, Linux, Android Windows, macOS, Linux, Android, iOS
  • No server to trust or run
  • Tor hides IP addresses and metadata
  • No phone number or email needed; the account is a random ID
  • Onion routing hides your address from recipients and from the network
  • Beta software that has not been audited
  • Missing basic features such as avatars and DMs
  • Losing your recovery phrase means losing the account with no reset
  • Delivery can be slower than a centralised messenger
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 Works offline

Checked September 23, 2026

Checked September 21, 2026

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