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System Monitoring Center vs GNOME System Monitor: catalog facts
System Monitoring Center	GNOME System Monitor
Free Free and open source under the GPL-3.0 licence.	Free Free and open source, part of the GNOME project.
Linux	Linux
Detailed performance and usage views in one window Translated into many languages	Simple graphical task manager for the Linux desktop Can end processes and change their priority
Linux only Several parallel versions can be confusing to choose between	Linux only and designed for GNOME Less detail than specialised monitoring tools
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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