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tmux-mem-cpu-load vs rainbarf: catalog facts
tmux-mem-cpu-load	rainbarf
Free Free and open source under the Apache-2.0 license.	Free Free to use under the Artistic License or GPL.
macOS, Linux, Command line	Command line
Shows memory, CPU usage, and load average together Designed for tmux status lines	Shows CPU and memory history in a terminal status line Can display battery charge when available
Requires tmux	Requires tmux or GNU Screen to display charts in a status line
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: Artistic-1.0-Perl OR GPL-1.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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