Provides 3D visual representation of file system statistics. Aids in visual analysis of the disk space usage. [Java based]

Displays disk space utilization with detailed information. Supports easy management on individual files and folders. [Windows 95/98/NT4/2000]

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]

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

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

Command-line tool that displays directory size information, including compression information for NTFS volumes. [Windows 2000 with NTFS volumes]

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

Displays pie charts showing used and free space for up to 5 drives. Freeware [Windows 9x/NT]

Explorer-like application that displays disk space utilization in report or chart format. [Windows 9x/NT/2000/ME/XP]

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

Graphically maps hard drive space, catalogs files on CDs. [Mac OS 7 and higher]

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]

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]

Monitors hard disk free space in real time. [Windows 9x/NT4/2000]

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]

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]

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.

A utility for finding and deleting big, useless files to free up space on your hard disks. [Mac OS X]

Tool with command line support for keeping track of disk usage on a network. Provides graphical reports of disk usage, automated alerts and data export options.

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

ShowSize lets you see folder sizes, unused files, and also lets you print folder contents. [Windows 98/Me/2000/XP]

Explorer style software that shows the actual space used by a folder. Shows graphical charts of file statistics [Windows 9x/ME/NT/2000]

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

Disk usage analysis tool for Windows. Shows graphically how disk space is being used. Works on local and network drives, and FTP accounts.

Displays files and folders as boxes, with sizes relative to space taken on disk. Windows freeware, from Werkema.com.

Analyzes space usage on drives or network share drives. Detailed reports and 3D bar charts of hard drives can be viewed, printed, and exported to Excel or HTML.

Program to graphically display information about distribution of size in a tree directory.

Hardisk space manager for Windows 95/98/NT. Shows folder or drive size, wasted space, 3D bar and pie charts, last access date, searches for old, big files. Explorer-like interface, Excel or text export, context menu support. English or German shareware from Jam Software.