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 allows you visually manage your hard drive space by letting you know which files and folders take too much space on your hard drive. ... Space Searcher is capable of running disk space usage analysis both on small home systems and on enterprise networks.
http://www.coolutils.com/download/SpaceSearcher.exe - 1Mb - Download - Screenshot

Storage Triage - Professional
StorageTriage is a utility that will size and analyze the content of your directory space. It provides access to the gathered data via a powerful Tree View, Graphs and Reports. It has the ability to export to Excel, Graphic Files, XML and a Database. ... One of Storage Triage's most powerful feature is its analysis capabilities - showing breakdowns by File size, attribute, dates, times, extension, owner and registered file type, etc. ... Storage Triage has a 'batch' mode that allows you to use it with any standard Windows scheduler to automate your disk management functions.
http://www.datatexcorp.com/html/downloads/StorageTriage.zip - 10Mb - 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... 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...... ... How would you make sure users are not using more space than you havea llocated?
http://www.fungusware.com/files/Setup_FolderDog.msi - 1b - 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

NetUSB
NetUSB is a powerful, fast, and easy-to-use email experimental tool. If you have one or more large capacity mailboxes,for example Gmail,Yahoo mailbox, which includes storage space of a 1000 megabytes, you have had plenty of storage space but not a lot to fill it up with. ... NetUSB allowing you to use this mailbox as a storage medium. ... Support multiuser 8. ... Support simultaneous downloads and uploads 7. ... Support express(mail direct) 9. ... Support comment of files 10. ... Support automatically merge files after downloaded 6.
http://matchpointsoft.com/NetUSB_Setup.exe - 2Mb - Download - Screenshot

DISKdata
DISKdata is a powerful explorer-like application for Windows 95/98/ME/NT/2000/XP that analyzes disk space utilization. Selecting a disk volume or folder displays a summary of its contents in report or chart format. Statistics include file/folder actual size, allocated size, storage efficiency,...
http://www.digallery.com/download/ddsetup.exe - 540Kb - Download - Screenshot

IPSpaceMon
Are you an over-worked network administrator? Get calls complaining about system outages you have no way of monitoring? Are you sufferring from server crashes or data loss due to lack of hard drive space? SpaceMon makes it easy to watch network storage space and alert you from your current... Simply type in the resources you want monitored (drive letters or UNC paths) and the level of free space you want to be alerted at. ... That's it! ... If any one of the network resources dips below the alert level you set, you will be notified visualy, audibly, by email and through your current...
http://www.ipworx.com/product/spacemon/spacemn3.zip - 4Mb - Download - Screenshot

Jet Storage UDF
Need a mobile hard drive for the price of a re-writable CD/DVD disk? This is it! This small program installs a driver that allows you to access re-writable disks directly, without any burning software, exactly as you normally access your hard drive. Imagine a 4GB diskette in your pocket. ... You can add new files as long as you have free space on your re-writable media. ... Jet Storage UDF not only helps you access your own disks, it can also help you access disks created by other CD/DVD burning programs.
http://skifsoft.com/downloads/js_udf158.zip - 616Kb - Download - Screenshot

PA Storage Monitor Pro
PA Storage Monitor is built to keep track of very large server volumes. It can monitor free disk space and create graphic reports over time, monitor individual files and file owners and create many reports about file age distribution, file owner disk usage, etc. ... Many alert and actions types are included such as SMTP email, SMS messages, SNPP paging, start/stop/restart services, run external programs, run custom scripts and more. ... In addition, it can watch files and directories and keep track of their sizes over time, or report whether they have changed as many host based intrusion...
http://www.poweradmin.com/storage-monitor/storagemonitorpro.exe - 5Mb - Download - Screenshot

WinHKI
WinHki is a file compression tool which makes data-files very small. Winhki uses new technologies. Suitable for sending data-files using e-mail-programs or uploading files to the internet. Save money and time with WinHki, as the files are much smaller; save space on your HD or on your web-based... Use "best compression" level archiving your data-files, therebly saving money and space. ... You can also select some crypt-technologies to protect your data.
http://www.winhki.com/download/setuphki.exe - 1Mb - Download - Screenshot