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 simple, but still useful tool Abaiko Disk Space Monitor will keep you informed about the amount of free space on your disks. ... 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 failures.
http://www.abaiko.com/download/abaiko-disk-space-monitor.exe - 2Mb - 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

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

Advanced Disk Cleaner
Every day the programs on your computer create temporary and garbage files and leave them behind on your hard disk. These files build up over time, taking up valuable hard disk space and slowing your system down. Advanced Disk Cleaner is a free program which makes it easy to quickly find and... After using Advanced Disk Cleaner you will have more disk space at your disposal so you can install more programs, have more MP3 music files, etc. ... The program's main window is designed for a logical, effective and pleasant operation, making Advanced Disk Cleaner a good choice for keeping your PC...
http://innofiles.com/soft/cleaner/advanced_disk_cleaner.exe - 1Mb - Download - Screenshot

Disk Password Protection
Disk Password Protection 4. 7: a comprehensive suite of hard-drive protection/access restriction tools. Protect your disk/partitions with a password, ban all reading/writing activity, limit launch of specified files to authorized personnel only, etc. ... When protection is activated, the partition will be invisible to the operating system and the disk space taken up by sensitive data will appear as free disk space. ... The Low-Level Protection option allows users to blocks all attempts to read/write to/from the protected disk.
http://www.exlade.com/download/diskppsetup.zip - 2Mb - Download - Screenshot

Cyteg SpaceChecker
Do you notice that free space on your hard drive decreases with a time? Either other users of your computer "forget" to delete unnecessary files, or Windows write something on the disk, or another program do this... And you can sometimes write something, but forget to delete later. ... And you will have to periodically comb out thoroughly the whole disk in search of rubbish. ... Afterwards it is already difficult to understand, where - what (especially on large disks). ... It will show you, where exactly, in what folders and how many rubbish (or not rubbish) there was appear from a...
http://www.cyteg.com/prg/inst/spacechk_install.exe - 446Kb - Download - Screenshot

Galaxy 3D Space Tour
If you look up into the sky on a clear dark night, far from the intrusive glow of streetlights, you will see a faint band of starlight running across the heavens - "Milky Way". It is actually the disk of our own galaxy - seen from our perspective (within the disk). ... You can download free evaluation copy of "Galaxy 3D Space Tour" screensaver or purchase unlimited version to decorate your computer. ... But what if we leave our Solar System and the Galaxy on fantastic space ship and look back to our "Space Island"?
http://www.fpsoftlab.com/galaxy3d.exe - 1Mb - Download - Screenshot

FolderDog
Monitoring how much hard disk space is being used on a single computer can be a daunting task. Now imagine if you needed to monitor the amount of hard disk space is being used on 5 computers. What if different users on your network had a Shared storage area on your file server, each user had a... the list goes on. ... If each user on your network has 10Gb Backup storage , you may want to warn them when using 9Gb and then limit them to 10Gb...... ... Registration for the current "LITE " version of Folder is completely free.
http://www.fungusware.com/files/Setup_FolderDog.msi - 1b - Download - Screenshot

Prosto Disk Cleaner
If you had never thought of yourself as of a space hog, cleaned your e-mail folders on a regular basis, moved pictures and files to DVD and deleted the copies from the hard disk, uninstalled the unnecessary programs as soon as they were no longer needed, and did other things to keep your PC... Have you still wondered why has the computer kept getting slower, and the free room kept shrinking day after day? ... Certainly, buying a faster computer is not an option! ... Have you tried to figure out how can that be stopped?
http://www.prostosoft.com/files/pdcsetup.zip - 957Kb - Download - Screenshot

R-Drive Image
R-Drive Image 3. 0 is a potent utility providing disk image files creation for backup or duplication purposes. A disk image file contains the exact, byte-by-byte copy of a hard drive, partition or logical disk and can be created with various compression levels on the fly without stopping Windows... R-Drive Image restores the images on the original disks, on any other partitions or even on a hard drive's free space on the fly. ... If you need to restore only certain files from a disk image, you can connect that image as a virtual disk and copy those files directly from the disk image using...
http://www.drive-image.com/downloads/rdi_en_3x.exe - 11Mb - Download - Screenshot