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Mission Center vs Plasma System Monitor: catalog facts
Mission Center	Plasma System Monitor
Free Free and open source under the GPL 3.0.	Free Free and open source, developed by the KDE community.
Linux	Linux
Familiar Task Manager layout with per-core and per-process detail GPU usage for AMD, Intel and NVIDIA cards	Shows sensors, processes and resource usage in one window Customizable monitoring pages
Linux only Fewer sensors and less depth than a command line monitor	Linux only Most at home on a KDE Plasma desktop
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0-only OR GPL-3.0-only
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.