Disk Space Fan 2.2.7.819  Disk Space Fan is a nice disk space analysis tool for Windows. It helps you to free up disk space by quickly finding and deleting big, useless files. It displays disk space usage with a nice chart. You can navigate the folders easily with the chart.

Disk Space Fan 4 Free 4.0.2.100  Disk Space Fan is a fast disk space analyzer and duplicate file remover software. It helps you to free up disk space by quickly finding and deleting big files. It displays disk space usage with a eye-candy ring chart and dynamic animation.

Disk Space Explorer 6.7  Disk Space Explorer graphically displays the contents of your hard disk. It allows you easily navigate through your files and folders just by clicking anywhere on the pie chart.