A small shareware utility that shows a 3D pie chart indicating disk space usage. [Windows 9x/ME/NT/2000]

Disk utility that tracks, monitors and records disk space usage on a continual basis. Product specifications, screenshots, and downloads. [Windows]

Historical analysis of disk usage by directory. Charting and drill down with web UI. Designed for the enterprise with NT Services and remote install.

Does a scan of the selected disc or folder and then gives a color coded view of the disc space used by each folder. Includes CSV export option. [Windows 9x/2000/ME/XP]

Drive x-Ray is a visual tool for finding and freeing disk space.

Dynamically keeps an eye on the sizes of selected subdirectories. [Windows 9x/NT]

Shows relative size of files and subfolders in a folder on disk using interactively explorable and colorful diagram report. [Windows 98/ME/2000/XP]

Maintains a history of disk space usage, allowing easier identification of disk contents that have been updated, grown or shrunk in size.

Disk space sizing and analysis utility. Features visual graphs of the sizing data, with the ability to run in batch mode.