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Plasma System Monitor vs System Monitoring Center: catalog facts
Plasma System Monitor	System Monitoring Center
Free Free and open source, developed by the KDE community.	Free Free and open source under the GPL-3.0 licence.
Linux	Linux
Shows sensors, processes and resource usage in one window Customizable monitoring pages	Detailed performance and usage views in one window Translated into many languages
Linux only Most at home on a KDE Plasma desktop	Linux only Several parallel versions can be confusing to choose between
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-only OR GPL-3.0-only	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 October 1, 2026

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