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bottom vs Plasma System Monitor: catalog facts
bottom	Plasma System Monitor
Free Free and open source under the MIT licence.	Free Free and open source, developed by the KDE community.
Windows, macOS, Linux, Command line	Linux
Plots CPU, memory, network, temperature and disk I/O over time, with a zoomable interval Process widget with sorting, searching, tree mode and kill signals	Shows sensors, processes and resource usage in one window Customizable monitoring pages
Some sensors and metrics are only available on some platforms Charts take terminal space; a small window gets cramped	Linux only Most at home on a KDE Plasma desktop
Downloadable app	Downloadable app
Open source	Open source
License: MIT	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

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