Compare software

3mux vs tmux: catalog facts
3mux	tmux
Free Free and open source under the MIT license.	Free Free and open source under the ISC licence.
Command line	macOS, Linux, Command line
i3-like keybindings and mouse controls Search and scrollback included	Sessions survive a dropped SSH connection Splits and windows without needing the terminal emulator to support them
Requires a terminal	The prefix-key model takes a while to become automatic Configuration is terse and the manual page is dense
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: ISC
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.