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i3status vs rainbarf: catalog facts
i3status	rainbarf
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free to use under the Artistic License or GPL.
Linux, Command line	Command line
Reports common system and network statistics Feeds status bars such as i3bar	Shows CPU and memory history in a terminal status line Can display battery charge when available
Provides status output rather than a standalone graphical dashboard.	Requires tmux or GNU Screen to display charts in a status line
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	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 September 22, 2026	Official website Full listing and sources Checked October 8, 2026

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