GNU Screen is described as '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' and is a popular app in the OS & Utilities category. There are nine alternatives to GNU Screen for a variety of platforms, including Linux, Mac, iPhone, BSD and iPad. The best alternative is tmux, which is both free and Open Source. Other great apps like GNU Screen are byobu (Free, Open Source), dtach (Free, Open Source), mtm (Free, Open Source) and Wemux (Free, Open Source).
tmux is a terminal multiplexer: it enables a number of terminals (or windows), each running a separate program, to be created, accessed, and controlled from a single screen. tmux may be detached from a screen and continue running in the background, then later reattached.
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tmux vs GNU Screen opinions
Almost everyone thinks tmux is a great alternative to GNU Screen.
Much simpler, more logical and there is a great guide available which let me understand the program in minutes!
Positive comment • about 2 years ago
Tmux is the hot new kid on the terminal multiplexing block. Better readability in config and code, vertical split, and actual updates!
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.
mtm is the Micro Terminal Multiplexer, a terminal multiplexer. It has four major features/princples: Simplicity There are three commands (change focus, split, close). There are no modes, no dozens of commands, no crazy feature list.
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.
Get Console is the first ipad and iphone serial port terminal application providing serial terminal connectivity without jailbreaking. The app store description advises it works on network devices, but offers a standard VT100 emulation.