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Astra Monitor vs GKrellM: catalog facts
Astra Monitor	GKrellM
Free Free to install from its public GitHub repository.	Free Free and open source.
Linux	Linux
Covers CPU, GPU, memory, storage, network and sensors Always visible in the GNOME panel	Many monitors in one compact window Sensor readings with alarms
Only works on the GNOME Shell desktop Panel indicators are less detailed than a full monitoring app	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.