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rainbarf vs tmux-mem-cpu-load: catalog facts
rainbarf	tmux-mem-cpu-load
Free Free to use under the Artistic License or GPL.	Free Free and open source under the Apache-2.0 license.
Command line	macOS, Linux, Command line
Shows CPU and memory history in a terminal status line Can display battery charge when available	Shows memory, CPU usage, and load average together Designed for tmux status lines
Requires tmux or GNU Screen to display charts in a status line	Requires tmux
Downloadable app	Downloadable app
Open source	Open source
License: Artistic-1.0-Perl OR GPL-1.0-or-later	License: Apache-2.0
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.