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tmux vs Byobu: catalog facts
tmux	Byobu
Free Free and open source under the ISC licence.	Free Free and open source under the GPL.
macOS, Linux, Command line	macOS, Linux, Command line
Sessions survive a dropped SSH connection Splits and windows without needing the terminal emulator to support them	Usable multiplexer with a status bar from the first launch, no config needed Function-key bindings that are easier to learn than raw tmux prefixes
The prefix-key model takes a while to become automatic Configuration is terse and the manual page is dense	Adds an abstraction layer that gets in the way once you know tmux well
Downloadable app	Downloadable app
Open source	Open source
License: ISC	License: GPL-3.0
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 September 22, 2026

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