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WeeChat vs mIRC: catalog facts
WeeChat	mIRC
Free Free software; the project accepts donations.	Paid Shareware that can be tried, with a paid registration from the official site.
Linux, Command line	Windows
Full-featured IRC support including SASL and DCC Scripting in eight languages with a script manager	Mature client with over thirty years of development Still receiving releases
Terminal only, with a learning curve for new users IRC is the main built-in protocol	Windows only Proprietary shareware requiring registration
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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