http://www.ghacks.net/2017/03/01/sysgauge-free-system-and-performance-monitor/

SysGauge is a free system and performance monitor for all recent versions of the Microsoft Windows operating system that offers an impressive set of features.

The program is developed by Flexsense, a company known for high quality products such as the free hard drive management tool DiskBoss, the file change monitor DiskPulse, or the duplicate file finder DupScout.

SysGauge is available as a free download for 32-bit and 64-bit versions of Windows. It runs on all client versions of Windows from Windows XP onward, and on all server versions of Windows from Windows Server 2003 onward.