Open Source HDAT2 Alternatives for Windows
There are many alternatives to HDAT2 for Windows if you are looking to replace it. The most popular Windows alternative is 
CrystalDiskInfo, which is both free and Open Source. If that doesn't suit you, our users have ranked 19 alternatives to HDAT2 and 17 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to HDAT2 are 
HD Tune (Freemium), 
Hard Disk Sentinel (Paid), 
Victoria (Free) and 
HDD Regenerator (Paid).
- Open-source HDD/SSD utility for monitoring S.M.A.R.T. values, disk temperature and other information.
- Cross platform utilities useful for performing various operations on SATA, SAS, NVMe, and USB storage devices.