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GSmartControl vs nvme-cli: catalog facts
GSmartControl	nvme-cli
Free Free and open source.	Free Free and open source.
Windows, Linux	Linux, Command line
Highlights SMART anomalies automatically Runs drive self-tests from the interface	Direct access to NVMe health and SMART logs Vendor-specific plugins
Depends on smartmontools being installed Beware of a phishing site using a similar name	Linux only Command line only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
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 24, 2026

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