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KVIrc vs IceChat: catalog facts
KVIrc	IceChat
Free Free to download and use; donations are accepted.	Free Free and open source under the GPL.
Windows, macOS, Linux	Windows
Built-in scripting language with documented API Themes, addons and translations available	Multi-server and multi-channel support with a server tree Aliases, popups and themes for customization
IRC only, no other chat protocols Many options can feel heavy for casual use	Windows only IRC is unencrypted unless the server supports TLS
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-2.0-or-later
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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