iStat
Commercial
iStat is an advanced Mac system monitor for your menubar.
smartmontools
Open Source
Smartmontools (S.M.A.R.T. Monitoring Tools) is a set of utility programs (smartctl and smartd) to control and monitor computer storage systems using the Self-…
GSmartControl
Open Source
GSmartControl is a graphical user interface for smartctl (from smartmontools package), which is a tool for querying and controlling SMART.
DiskWarrior
Commercial
DiskWarrio is a hard disk, hard drive, and disk repair and data recovery tool.
Compare DriveDx with alternatives
Compare GSmartControl and DriveDx and decide which is most suitable for you.
Compare smartmontools and DriveDx and decide which is most suitable for you.
Compare DiskWarrior and DriveDx and decide which is most suitable for you.