DirSpace 2.1.0.1 is available as a free download on our software library. The current installer available for download occupies 374 KB on disk. This free program is a product of Fresh Software. DirSpace relates to System Utilities.
From the developer:
DirSpace is a freeware program to scan a directory (folder) structure for total files and used disk space.
After scanning , you can click on a column to sort the directories and spot the ones taking up the most space.
You may want to check out more software, such as Rapid File Defragmentor, Control3 or Diskeeper Server Enterprise Edition, which might be similar to DirSpace.