Stellar Volume Optimizer - Stellar Volume Repair (also Optimizer) repair corrupt Macintosh HD and other partitions formatted...
chkdsk - A command line tool to check for errors on and repair ntfs filesystems.
CheckDisk - CheckDisk is a powerful tool for searching and repairing disk errors.
Macrorit Disk Scanner - Macrorit Disk Scanner is a third party disk surface portable tool for scan disk bad sectors which...
HD Tune - HD Tune Pro is a hard disk / SSD utility with many functions. It can be used to measure the drive's performance, scan for errors, check the health status (S. M. A. R.
SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.