rainbarf

CLI resource-usage chart bar for tmux showing CPU, RAM, and battery stats.

Desktopfree

rainbarf is a free command-line tool that draws CPU, RAM, and battery usage as a compact chart directly in a tmux or GNU screen status line, giving terminal users a quick resource-usage readout without switching to a separate app.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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