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Cwtch vs Jami: catalog facts
Cwtch	Jami
Free The open-source application is available without a license fee.	Free Free software under the GPLv3 or later. A GNU project with no paid tier.
Windows, macOS, Linux, Android	Windows, macOS, Linux, Android
Designed specifically to resist metadata collection, not just message reading No account, phone number or email required	Completely peer to peer, with no server relaying data between users No phone number or email needed to create an account
Tor routing makes delivery slow and requires both parties online Small project with a limited feature set	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 not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 21, 2026

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