myResources is described as 'displays the load status of the computer's basic resources (disk, CPU, memory, network) using graphs and active icons. The program is also capable of displaying resources on a merged graphic chart (SumGraph)' and is an app in the Network & Admin category. There are seven alternatives to myResources for Windows, PortableApps.com, GNOME, Linux and BSD. The best alternative is Process Monitor, which is free. Other great apps like myResources are GNOME System Monitor (Free, Open Source), SystemExplorer (Free), Resource Monitor (Free) and Performance Monitor (Free Personal).
System Explorer is an enhanced Taskmanager that provides detailed information about running processes, startup programs, IE add-ons (BHOs), drivers, services network connections, system resources and more.
Resource Monitor is a system application in Microsoft Windows operating systems. It is used to view information about the use of hardware (CPU, memory, disk, and network) and software (file handles and modules) resources in real time.
Performance Monitor is a small program that shows you the CPU, Memory, Disk and Network utilization under Windows NT platforms (2000, XP, Vista, Win 7, etc...). It's composed by four fully configurable small graphs and it can work in the tray area also.
This program will tell you which programs are accessing your hard disk or using your CPU at any given moment. You will be able to determine why your hard drive is in use or what program is sucking up processor time.