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Vitals vs GKrellM: catalog facts
Vitals	GKrellM
Free Free to install; the source is published on GitHub.	Free Free and open source.
Linux	Linux
Sensor readings sit directly in the GNOME top bar Covers temperature, voltage, fan speed, memory and CPU load	Many monitors in one compact window Sensor readings with alarms
Works only with GNOME Shell Readings depend on the sensors your hardware exposes	Sensor support depends on kernel and hardware Old-fashioned look compared with modern widgets
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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