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KeetSimpleX Chat
Free

Free to download and use.

 Free

Free and open source under the AGPL 3.0. The company is funded by investment and…

Windows, macOS, Linux, Android, iOS Windows, macOS, Linux, Android, iOS, Command line
  • No phone number or email needed to sign up
  • Messages, calls and files go directly between peers with end-to-end encryption
  • No user identifier of any kind, so conversations cannot be correlated by account
  • Double ratchet encryption with an additional layer for the relay servers
  • Losing the 24-word seed phrase can mean losing access to your identity
  • Peer-to-peer design depends on participants' devices rather than a server
  • Connecting means exchanging a link or QR code in person or elsewhere
  • No contact list means a lost device is a lost set of conversations unless backed up
Downloadable app Downloadable app
Closed source Open source
License not stated License: AGPL-3.0
No account 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.