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Mission Center vs GNOME System Monitor: catalog facts
Mission Center	GNOME System Monitor
Free Free and open source under the GPL 3.0.	Free Free and open source, part of the GNOME project.
Linux	Linux
Familiar Task Manager layout with per-core and per-process detail GPU usage for AMD, Intel and NVIDIA cards	Simple graphical task manager for the Linux desktop Can end processes and change their priority
Linux only Fewer sensors and less depth than a command line monitor	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 September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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