System Monitor II will shows you all core CPU usage (1 Core, 2 Core, 3 Core, 4 Core, 6 Core, 8 Core, 12 Core or 16 Core) and RAM (physical, page file and full, includes virtual) usage. It also displays all cores and RAM usage history.
This software is not reviewed yet.
Shows statistics on the use of the mouse. This gadget for fun only, but we like it :) It needs a small library installation.