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Cwtch vs qTox: catalog facts
Cwtch	qTox
Free The open-source application is available without a license fee.	Free Free and open source under the GPL.
Windows, macOS, Linux, Android	Windows, macOS, Linux
Designed specifically to resist metadata collection, not just message reading No account, phone number or email required	Peer-to-peer encrypted messaging without a central server Voice, video and file transfer in one client
Tor routing makes delivery slow and requires both parties online Small project with a limited feature set	Contacts must also use Tox Smaller user base than mainstream messengers
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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