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Hard Disk SentinelGSmartControl
Freemium

A limited free version exists. The Professional edition is a paid licence.

 Free

Free and open source.

Windows, Linux Windows, Linux
  • Health and estimated lifetime per drive rather than raw S.M.A.R.T. values
  • Sees drives behind many USB enclosures and RAID controllers
  • Highlights SMART anomalies automatically
  • Runs drive self-tests from the interface
  • The free version is limited; most features need the paid Professional edition
  • Depends on smartmontools being installed
  • Beware of a phishing site using a similar name
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked September 23, 2026

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