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Nvidia System Monitor vs nvitop: catalog facts
Nvidia System Monitor	nvitop
Free Free and open source under the MIT license.	Free Free and open source.
Linux	Linux, Command line
Graphical view of Nvidia GPU usage on Linux Lightweight Qt application	Interactive process management for GPU workloads More readable than raw nvidia-smi output
Only works with Nvidia cards and requires nvidia-smi Linux only	NVIDIA GPUs only Terminal interface only
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: Apache-2.0 AND GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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