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Resources vs GNOME System Monitor: catalog facts
Resources	GNOME System Monitor
Free Free to use, with donations accepted by the developers.	Free Free and open source, part of the GNOME project.
Linux	Linux
Covers GPU and battery as well as CPU and memory Process and app management in the same window	Simple graphical task manager for the Linux desktop Can end processes and change their priority
Linux only Looks best on GNOME rather than other desktops	Linux only and designed for GNOME Less detail than specialised monitoring tools
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
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 September 23, 2026

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