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Irssi vs tiny: catalog facts
Irssi	tiny
Free Free and open source.	Free Free and open source under the MIT license.
macOS, Linux, Command line	macOS, Linux, Command line
Runs in any terminal, including over SSH Scriptable and highly configurable	Collects mentions in a dedicated tab Reconnects automatically after disconnections
Keyboard and command driven, with a learning curve IRC only, no other chat protocols	Windows use is through Windows Subsystem for Linux
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: MIT
No account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 8, 2026

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