Active@ Hard Disk Monitor is a freeware disk utility that monitors the status of your hard drives and scan for bad sectors. The system is based on the Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T).
HDDlife Pro is a hard drive monitor program that works on computers, notebooks, and USB hard drives. Users can easily keep an eye on the health of their drive and can be alerted via email when hard drive failure is about to occur.
Application that checks the internal diagnostics of hard drives
wmhdplop monitors your hard drives and displays visual information about their activity.
KHDAPSMonitor is a system tray monitor for laptops with the Hard Drive Active Proctection System.
Stellar Smart – A Hard Drive / Disk monitoring software to diagnosis and monitor the activity of Hard drive as Temperature, Head Flying Height, Spin-Up Time.Stellar Smart acts as an “early warning system” for pending hard disk problems.