FreeRAM is a program that frees up ram manually or automatically. It shows current memory status , memory load and CPU usage graphically.

BySoft FreeRAM Features
system cache tuning!
supports skins!
It can be enabled/disabled directly from tray icon popup
Defaults button in options
Number of retries can be set up in options
Sound when freeing ram
Amount of free ram can be displayed in the system tray