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

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