HDDScan is a Free test tool for hard disk drives, USB flash, RAID volumes and SSD drives. The utility can check your disk for bad blocks in various test modes. Developed by Artem Rubtsov
License: Free
HDDScan is a Windows-only tool with a user-friendly interface and portability, making it easy to use for testing hard drives. In contrast, GSmartControl offers cross-platform compatibility and in-depth S.M.A.R.T. analysis, but may be more complex for novice users.