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SessionCwtch
Free

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

 Free

The open-source application is available without a license fee.

Windows, macOS, Linux, Android, iOS Windows, macOS, Linux, Android
  • No phone number or email needed; the account is a random ID
  • Onion routing hides your address from recipients and from the network
  • Designed specifically to resist metadata collection, not just message reading
  • No account, phone number or email required
  • Losing your recovery phrase means losing the account with no reset
  • Delivery can be slower than a centralised messenger
  • Tor routing makes delivery slow and requires both parties online
  • Small project with a limited feature set
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

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