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mtm vs Zellij: catalog facts
mtm	Zellij
Free Free and open source under GPL-3.0-or-later.	Free Free and open source under the MIT licence.
macOS, Linux, Command line	Windows, macOS, Linux, Command line
Splits terminal sessions into panes Uses classic ANSI terminal emulation	On-screen key hints, so it is usable without memorising anything first Floating and stacked panes that tmux does not have
Requires ncursesw Project changes are limited to maintenance and compatibility updates	Fewer years of accumulated configuration and scripts than tmux The status bar uses screen space until you turn it off
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: MIT
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 21, 2026

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