smartmontools is described as «The smartmontools package contains two utility programs (smartctl and smartd) to control and monitor storage systems using the Self-Monitoring, Analysis and Reporting Technology System (SMART) built into most modern ATA and SCSI harddisks» and is a hard disk diagnostic tool in the os & utilities category. There are more than 25 alternatives to smartmontools for a variety of platforms, including Windows, Linux, Mac, MS-DOS and BSD. The best alternative is CrystalDiskInfo, which is both free and Open Source. Other great apps like smartmontools are GSmartControl, HD Tune, Hard Disk Sentinel and Disks.smartmontools alternatives are mainly Hard Disk Diagnostic Tools but may also be Benchmark Tools or Hard Disk Benchmark Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of smartmontools.