There are many alternatives to tmux for Mac if you are looking for a replacement. The best Mac alternative is GNU Screen, which is both free and Open Source. If that doesn't suit you, our users have ranked eight alternatives to tmux and four of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to tmux are byobu (Free, Open Source), abduco (Free, Open Source) and Zellij (Free, Open Source).
Screen is a full-screen window manager that multiplexes a physical terminal between several processes, typically interactive shells. Each virtual terminal provides the functions of the DEC VT100 terminal and, in addition, several control functions from the ANSI X3.
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GNU Screen vs tmux opinions
Almost everyone thinks GNU Screen is a great alternative to tmux.
9y0xwefhpw It has the most intuitive key bindings and the vastest range of capabilities amongst the ones I have tried. However, the first thing you should do after installation is to change command character because it is terrible choice.
Byobu is a GPLv3 open source text-based window manager and terminal multiplexer. It was originally designed to provide elegant enhancements to the otherwise functional, plain, practical GNU Screen , for the Ubuntu server distribution.
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byobu vs tmux opinions
Some users think byobu is a great alternative to tmux, some don't.
byobu uses tmux as a back-end. It's literally just alternative keybindings and a predefined status bar. It's tmux configuration, not tmux replacement.
abduco provides session management i.e. it allows programs to be run independently from their controlling terminal. That is programs can be detached - run in the background - and then later reattached.
Zellij is a terminal workspace. It has the base functionality of a terminal multiplexer (similar to tmux or screen) but includes many built-in features that would allow users to extend it and create their own personalized environment.