| 3D FileSystem Profiler | | Provides 3D visual representation of file system statistics. Aids in visual analysis of the disk space usage. [Java based] |
| Ascendis DiskVision | | Displays disk space utilization with detailed information. Supports easy management on individual files and folders. [Windows 95/98/NT4/2000] |
| BAC WhatsGone | | 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] |
| BytesBak | | Maintains a history of disk space usage, allowing easier identification of disk contents that have been updated, grown or shrunk in size. |
| Directory Sizer - FranzO Software | | Historical analysis of disk usage by directory. Charting and drill down with web UI. Designed for the enterprise with NT Services and remote install. |
| Diruse | | Command-line tool that displays directory size information, including compression information for NTFS volumes. [Windows 2000 with NTFS volumes] |
| Disk Recon | | File management tool that includes folder sizes, file search, duplicate file finder and file monitor. [Windows 98/ME/2000/XP] |
| Disk Size Manager | | Provides pie and bar charts of disk usage in a file manager interface. Includes a tool to conditionally search files and folders. [Windows 9x/2000/NT/ME/XP] |
| Disk Triage | | Disk space sizing and analysis utility. Features visual graphs of the sizing data, with the ability to run in batch mode. |
| Diskdata | | Explorer-like application that displays disk space utilization in report or chart format. [Windows 9x/NT/2000/ME/XP] |
| DiskSpaceChart | | A small shareware utility that shows a 3D pie chart indicating disk space usage. [Windows 9x/ME/NT/2000] |
| DiskSurveyor | | Graphically maps hard drive space, catalogs files on CDs. [Mac OS 7 and higher] |
| DiskView | | Integrates with Windows Explorer to present visual indication of disk usage. Provides a visualizer pane for pie/bar charts, adds folder size columns in the details view, and size indicator bars in Explorer's tree view. [Windows 2000/XP/2003] |
| Drive x-Ray | | Drive x-Ray is a visual tool for finding and freeing disk space. |
| FolderSizes | | Shareware that creates visual representations of hard drive space utilization and folder sizes through multi-threaded analysis engine. [Windows 95/98/ME/NT 4.0/2000/XP and Internet Explorer] |
| FreeSpace | | Monitors hard disk free space in real time. [Windows 9x/NT4/2000] |
| Haywire Software Zdu | | Zdu is a diagnostic command-line utility for disks and directories. Supports FAT, FAT32 and NTFS filesystems, UNC paths and non-standard file streams. [Windows 9x/NT/2000/XP] |
| jDiskReport | | Cross platform graphical disk report utility to analyze hard disks and collect statistics that can be viewed using charts and tables. [Free: Windows/Solaris/Linux] |
| Junkfind | | Cross platform tool that helps graphically find and remove folders that take up excessive space. Uses rectangular boxes to represent folders based on their relative size. |
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