Where Is My Space?! Disk Space Analyzer
Disk Space Analyzer is an easy to use the program that can help you analyze disk space usage. It shows directory tree along with the size information (including graphical diagrams). You can use Disk Space Analyzer to easily explore and analyze disk space (network disks as well) and search for...
http://lastbit.com/WhereIsMySpace.zip - 387Kb - Download - Screenshot

Disk Space Inspector
Disk Space Inspector is a feature-packed, yet easy to use, hard disk analysis, file management and disk space reporting software. The application allows for managing and monitoring disk space on local and network computers as well as it allows creation of customizable graphically-rich disk space... - Graphically analyze disk space usage using Pie Chart and Bar Chart tools - Report disk space usage by volume or directory as text files. ... - View disk space usage by owner (NTFS owner) on a selected volume and/or directory to determine who is using the most space on a given volume.
http://www.advexsoft.com/disk_space_inspector/download/dsi_setup.exe - 5Mb - Download - Screenshot

DiskAudit
DiskAudit idenifies the usage of disk space on a multi-user Windows PC, with NTFS partitions. For each user, the program summarizes the total number of files and directories, as well as the total disk space used. Then, the program summarizes disk usage for common folders.
http://software.faithclass.com/diskaudit.ZIP - 227Kb - Download - Screenshot

Space
Space - find where your space has gone. Hard drives are getting ever larger, yet after a while even the biggest drive starts to fill up with unwanted and forgotten files. It's tedious work looking through endless layers of directories to find those files that are filling up your drive. ... Space can also print displays of the disk usage, and export the collected information in CSV format for importing into other programs. ... Space is a Windows application that offers you several ways of displaying and quickly pointing out the most space-hungry of directories and files on your drives.
http://www.andyhsoftware.co.uk/space/files/space144.exe - 853Kb - Download - Screenshot

NfoNak
See how your computer is performing in a variety of different graphical formats. It can also be used as a screen saver. You can monitor such details as memory, disk space, disk usage, CPU usage, internet data rates etc. The graphical formats available are highly customizable and you can mix and...
http://www.nakware.com/nfonak/files/nfonak.zip - 577Kb - Download - Screenshot

WatchDISK Disk Space Tracker
WatchDISK provides what you need most to manage your network storage: Information. Many tools can display current directory sizes, but only WatchDISK can show how those sizes have evolved over time. This is critical information if you need to: * Project future storage needs based on current... But WatchDISK goes one step further: Besides just alerting on low disk space, it can alert you on significant changes in disk space usage as well. ... There are many disk space monitoring tools that will notify you when your disk space gets low.
http://www.poweradmin.com/watchdisk/wdsk32.exe - 3Mb - Download - Screenshot

SpaceTrack
SpaceTrack offers a single, consolidated system to monitor and track Disk Space Usage any where in the world across Windows or Novell networks. The system helps avoid downtime due to disk usage issues and provides key information for weekly and monthly reports. ... A unique advantage is its ability to record disc space usage over time. ... Some of its other benefits include: Reduced downtime due to disc space issues and supply of key information for weekly and monthly reports. ... SpaceTrack tracks daily usage, enabling you to predict when serious problems will occur while noticing any...
http://www.rakersoft.com/Products/Downloads/spacetrack.exe - 3Mb - Download - Screenshot

DiskAudit/2
DiskAudit/2 identifies the usage of disk space on a multi-user Windows PC. For each user, the program summarizes the total number of files and directories, hidden, system, and common files and folders used. The program provides graphical displays of usage. ... DiskAudit/2 reports, by user: Total Disk Space Used Space Used for Hidden FIles and Folders Space Used for System Files and Folders Space Used by File Extension Space Used for Common Folders: - My Documents - My Music - My Videos - My Games - My Downloads - My Pictures Space Used for Temporaty Files DiskAudit/2 displays common uses...
http://software.faithclass.com/diskaudit2.ZIP - 275Kb - Download - Screenshot

Space Searcher
As our life races ahead with blazing speed, our computing demands grow correspondingly. Can you imagine that several years ago a 40 Mb hard drive was more than enough for holding all data in an average company? The technology evolution brings new demands and the 'massive 20 Gb hard drive' we... Space Searcher is capable of running disk space usage analysis both on small home systems and on enterprise networks. ... Reports can be saved to Excel or HTML files or printed out immediately providing in-depth analysis of disk space usage.
http://www.coolutils.com/download/SpaceSearcher.exe - 1Mb - Download - Screenshot

SizeExplorer Lite
SizeExplorer Lite is a powerful disk space usage analyzer. It provides you with a complete set of tools to help you manage your disk space easily. features include folder size, graphical charts, file distribution statistics and reports (by size, extension, type, date, etc. ... You will be able to rapidly spot large files that may be useless, and you'll have a good general view of the space usage distribution on your drives. ... All the information provided by SizeExplorer Lite will help you manage your drives easily.
http://www.sizeexplorer.com/sel373.zip - 747Kb - Download - Screenshot