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Halloy vs Kiwi IRC: catalog facts
Halloy	Kiwi IRC
Free Free and open source under the GPL-3.0 licence.	Free Free to use online, with source code on GitHub.
Windows, macOS, Linux	Web, Self-hosted
Broad IRCv3 support including chathistory and soju bouncer features Native cross-platform app from one codebase	Runs in any major browser with no download Embeddable chat widget for websites
Configuration is done by editing a text file IRC only; no other chat protocols	News on the homepage has not been updated in years Depends on the IRC network you connect to
Downloadable app	Web application, Self-hosted
Open source	Open source
License: GPL-3.0	License not stated
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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