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Chatty vs Dino: catalog facts
Chatty	Dino
Free Free and open source under the GPLv3.	Free Free and open source under the GPL.
Linux	Linux
SMS and MMS through the phone modem Matrix and XMPP in the same app	Clean desktop client for a federated protocol with OMEMO encryption Supports calls and file transfer, not only text
Linux only XMPP support is optional and depends on libpurple	Linux focused; other platforms need third-party builds Behaviour depends on the server's feature support
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

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