StatsUnderrated
A free macOS system monitor for CPU, memory, disks, network, battery, and sensors.

Best for
Mac users who want iStat Menus-style monitoring without a subscription.
Why it deserves attention
Stats puts CPU, GPU, memory, disk, network, battery, fan, and sensor readings in the menu bar, with configurable modules and history graphs. It is MIT-licensed open source with 43,000 GitHub stars, supports Apple silicon and Intel Macs, and installs from Homebrew or a signed release. It is local-only and lightweight. It does not monitor remote servers or alert on thresholds like a dedicated observability tool.
Ratings & reviews
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Can replace
- iStat Menus
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