MHDD - MHDD is the most popular freeware program for low-level HDD diagnostics.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
HDD Regenerator - HDD Regenerator is a unique program for regeneration of physically damaged hard disk drives.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Hard Disk Sentinel - Monitoring hard disk health and temperature. Test and repair HDD problems and predict failures.
LightShot - The fastest way to take a customizable screenshot.