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

Abaiko Disk Space Monitor
Abaiko Disk Space Monitor is a program monitoring free space on the disks of your computer. Modern computers have a lot of space on their disks. And people stopped watching the space thinking that disks of that size just cannot be too small. Most likely, some software developers stick to that... The news that there is not enough space on the disk will not take you by surprise in the worst time any more and you will no longer have to worry about it. ... And unexpected lack of space on your disk, especially on the system one, may result in your work being lost or even in operating system...
http://www.abaiko.com/download/abaiko-disk-space-monitor.exe - 2Mb - Download - Screenshot

Disk Redactor
Disk Redactor is WIPE utility, that prevent restoration of the old ( deleted ) files at your disks. All free space at your hard disk will be wiped from an old information. This is necessary because the delete function does not clear the space where deleted file is located and just mark the entry... Old information will be available until the other file will overwrite it ( will use the same space at the disk ). ... But actually all information about the file is presented at the disk and can be restored!
http://www.cezeo.com/downloads/disk-redactor.exe - 361Kb - Download - Screenshot

Zero Assumption Disk Space Visualizer
With Zero Assumption Disk Space Visualizer, you can generate an easy-to-understand graphical disk map. This map is useful to identify the largest folders on your drives and recover megabytes of disk space.
http://www.z-a-recovery.com/vis-setup.exe - 866Kb - Download - Screenshot

Disk Size Manager
Welcome to Disk Size Manager - a powerful hard disk space manager for MS Windows 9x/ME/2000/NT/XP. Using Disk Size Manager you can keep track of your hard disks space to ensure its most efficient use. With its 2D/3D pie and bar charts as well as detailed descriptions in words, Disk Size... Disk Size Manager also offers you a search tool to look for files and folders satisfying conditions specified by you. ... Disk Size Manager will help you to monitor the use of your resources so that you can avoid losing efficiency of your system.
http://www.spadixbd.com/dsm/dsm.exe - 1Mb - Download - Screenshot

Flobo Disk Clean
Your computer disks are right now full of unwanted, unneeded and junk files that only slow down your PC ,take valuable space and may cause application problems. Flobo Disk Clean do a complete clean up at your system keeping it running like new, deleting all sort of files not needed, including... Free disk space , fix and prevent errors in your system and speed it up with Flobo Disk Clean.
http://www.floborecovery.us/FloboDiskClean.exe - 332Kb - Download - Screenshot

DiskAnalyzer Lite
DiskAnalyzer Lite (formally MBS Disk Space Analyzer) is a fast, flexible hard disk space analysis and cleaning software, which provides you all the necessary tools to analyze your hard disk space and quickly reclaim gigabytes of disk space by removing unwanted junk, big size and oldest files. ... Highlights Analyze your disk space with various space distribution methods 1. ... File Owner Shows you quick analysis of Oldest Files, Biggest Files, Files without Extension, Compressed Files, Zero Size Files, Audio/Video Files, Image/Graphics Files and Other temporary, junk files to reclaim your...
http://www.craveworldwide.com/mbsdsal.zip - 1Mb - Download - Screenshot

Sentry-go Quick Disk Monitor
The Sentry-go Quick Disk Monitor allows you to quickly & easily check available disk space on your local PC or server. Running as Windows service, checks can be made periodically without any user action, checking for either a given amounto f space (Mb) or percentage disk space free. ... If insufficient space is found, the monitor can automatically take corrective action to delete temporary files & free up space. ... The monitor can be configured either locally or centrally using the Sentry-go Quick Monitor Console.
http://www.3ds.co.uk/sentry-go/shareware/qdisk.exe - 4Mb - Download - Screenshot

diskSpace Explorer Home Edition
diskSpace Explorer 3 Home Edition is a software tool for managing your hard disk space, and ensuring that you are making the most of the space you have. It helps you explore your files and folders, find wasted space and useless items, and free up valuable disk space. ... You can increase your available disk space by compressing folders, by reducing the wasted space or by deleting the folders you no longer need. ... diskSpace Explorer can also save or print detailed disk space reports and take graphical snapshots of your hard disk contents.
http://www.innovatools.com/download/spexHomeTrial.exe - 1Mb - Download - Screenshot

VisDir Free Disk Space Finder
This free user-friendly utility helps you visualize which programs on your hard drive are using too much disk space. It creates a navigable pie-chart visualization of the space utilization on your computer. This utility is a great helper for when you get one of those messages from windows... Works on windows 95/98/ME/NT/2000/XP. ... This program will help you determine which programs are using too much space. ... This software is freeware with no expiration, no disabled features, no spyware, no adware, and no gimmicks whatsoever.
http://www.sb-software.com/visdir/visdir14.exe - 708Kb - Download - Screenshot