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GNOME System Monitor vs Mission Center: catalog facts
GNOME System Monitor	Mission Center
Free Free and open source, part of the GNOME project.	Free Free and open source under the GPL 3.0.
Linux	Linux
Simple graphical task manager for the Linux desktop Can end processes and change their priority	Familiar Task Manager layout with per-core and per-process detail GPU usage for AMD, Intel and NVIDIA cards
Linux only and designed for GNOME Less detail than specialised monitoring tools	Linux only Fewer sensors and less depth than a command line monitor
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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