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smartmontoolsStableBit Scanner
Free

Free and open source under the GNU GPL version 2.

 Paid

Costs $29.95, with a fully functional 30-day free trial.

Windows, macOS, Linux, Command line Windows
  • Often gives advance warning of disk degradation before data is lost
  • smartd monitors on a schedule and notifies you, rather than waiting to be asked
  • Continuous background surface scans of all drives
  • Health monitoring with alerts when parameters change
  • Command-line only; interpreting the attribute values takes some learning
  • Attribute meanings vary by manufacturer and are not always documented
  • Windows only
  • Paid after the 30-day trial
Downloadable app Downloadable app
Open source Closed source
License: GPL-2.0 License: Proprietary
No account needed Not stated if an account is needed
Works offline Works offline

Checked September 21, 2026

Checked October 2, 2026

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