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Polari vs Halloy: catalog facts
Polari	Halloy
Free Free and open source under the GPL-2.0-or-later licence.	Free Free and open source under the GPL-3.0 licence.
Linux	Windows, macOS, Linux
Integrates cleanly with the GNOME desktop Simple interface focused on conversations	Broad IRCv3 support including chathistory and soju bouncer features Native cross-platform app from one codebase
Linux only Fewer power-user features than clients such as HexChat or WeeChat	Configuration is done by editing a text file IRC only; no other chat protocols
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-3.0
No account needed	No account 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 23, 2026

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