FreeMeter is a utility that helps you keep track of your system's resources, by monitoring, in real time, disk space usage, CPU usage, memory usage, and disk transfer rates. FreeMeter can be used for observing your computer's activity or for diagnosing technical problems. You can customize the display to show just the information you're interested in. You also can place icons in the system tray that depict system usage.
What's new in this version:
Version 2.8.2 increases the maximum disk volume alert size from 99 GB to 999 GB and features some bug fixes.