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Zellij vs 3mux: catalog facts
Zellij	3mux
Free Free and open source under the MIT licence.	Free Free and open source under the MIT license.
Windows, macOS, Linux, Command line	Command line
On-screen key hints, so it is usable without memorising anything first Floating and stacked panes that tmux does not have	i3-like keybindings and mouse controls Search and scrollback included
Fewer years of accumulated configuration and scripts than tmux The status bar uses screen space until you turn it off	Requires a terminal
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 8, 2026

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