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Gajim vs Poezio: catalog facts
Gajim	Poezio
Free Free and open source, funded by donations.	Free Free and open source under the GPL-3.0+ license.
Windows, Linux	Linux, Command line
Works with any XMPP provider and interoperates with other XMPP apps End-to-end encryption including OMEMO and OpenPGP	Supports TLS and OMEMO encryption Offers chatrooms, plugins and message corrections
Needs an XMPP account from a provider or your own server Contacts must also use XMPP to reach them	Console interface Linux only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0+
Account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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