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Irssi vs Textual: catalog facts
Irssi	Textual
Free Free and open source.	Paid Sold directly by the developer; no longer available in the Mac App Store.
macOS, Linux, Command line	macOS
Runs in any terminal, including over SSH Scriptable and highly configurable	Native macOS interface with dark and light modes IRCv3, IPv6 and client certificate support
Keyboard and command driven, with a learning curve IRC only, no other chat protocols	macOS only, requiring Monterey or later Paid, and no longer in the Mac App Store
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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