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3mux vs GNU Screen: catalog facts
3mux	GNU Screen
Free Free and open source under the MIT license.	Free Free and open source GNU software.
Command line	macOS, Linux, Command line
i3-like keybindings and mouse controls Search and scrollback included	Detach and reattach sessions so remote processes keep running Several shell sessions inside one terminal window
Requires a terminal	Keyboard-driven interface takes time to learn No Windows version listed
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
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 23, 2026

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