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qTox vs Cwtch: catalog facts
qTox	Cwtch
Free Free and open source under the GPL.	Free The open-source application is available without a license fee.
Windows, macOS, Linux	Windows, macOS, Linux, Android
Peer-to-peer encrypted messaging without a central server Voice, video and file transfer in one client	Designed specifically to resist metadata collection, not just message reading No account, phone number or email required
Contacts must also use Tox Smaller user base than mainstream messengers	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
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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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