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mIRC vs Kiwi IRC: catalog facts
mIRC	Kiwi IRC
Paid Shareware that can be tried, with a paid registration from the official site.	Free Free to use online, with source code on GitHub.
Windows	Web, Self-hosted
Mature client with over thirty years of development Still receiving releases	Runs in any major browser with no download Embeddable chat widget for websites
Windows only Proprietary shareware requiring registration	News on the homepage has not been updated in years Depends on the IRC network you connect to
Downloadable app	Web application, Self-hosted
Closed source	Open source
License not stated	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 24, 2026	Official website Full listing and sources Checked October 1, 2026

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