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Polari vs Irssi: catalog facts
Polari	Irssi
Free Free and open source under the GPL-2.0-or-later licence.	Free Free and open source.
Linux	macOS, Linux, Command line
Integrates cleanly with the GNOME desktop Simple interface focused on conversations	Runs in any terminal, including over SSH Scriptable and highly configurable
Linux only Fewer power-user features than clients such as HexChat or WeeChat	Keyboard and command driven, with a learning curve IRC only, no other chat protocols
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-2.0
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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