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.

Space is a disk usage analysis tool, that can show graphically where your disk space is being used. It works on local and network drives, and FTP accounts. You can print these displays, and export the data for use in other programs.

Disk Space Inspector is a feature-packed, yet easy to use, hard disk space analysis and disk space reporting software.
Features summary:
-View disk space usage by NTFS owner on a selected volume and/or directory to determine who is using the most space on a given volume;
-View disk space usage by shared folders.
-Graphically analyze disk space usage using Pie Chart and Bar Chart tools
-Report disk space usage as text files(XML,CSV,HTML)

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. It also reports on the largest files on the PC, as well as seldom used files.

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.

PMP is a performance monitor for remote/multiple Windows servers. You can monitor the real time CPU, memory and disk usage status from the several networked servers and can be notified for the specific server status. In addition to the basic alarming methods, PMP provides email notification, automatic/manual remote command execution. PMP also provides HTML reporting and you can share it with other staff.

Free network disk usage monitoring for Windows servers and workstations. Automatically scans your network for disks and adds them to your monitoring dashboard. Smart scheduling minimizes network load. The monitoring dashboard supports automatic sorting, has a configurable layout, and displays an intelligent graphical usage bar for all disks based on default warning and maximum levels. No trial period and no functionality restrictions

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 match to get the display you want.

CheckQuota is the professional monitor program for directories. It monitors directory size and sends alerts if a limit was exceeded.
But CheckQuota has much more features. So it can works like a real disk quota program. Real disk quota this means, it can lock directories the write access for specified user if a maximum usage limit was reached. CheckQuota is must-have for every system administrator and should be installed on every server.

Have you ever wondered how many files are unused on your disk for the last 300 days? Unfortunately, the "Find Files" feature of Windows Explorer doesn't help there. But, Find Unused Files can show you a report of such files. You can tell it to look for files which have not been used for a certain number of days. Try Find Unused Files, and you might be surprised by the results. FREEWARE from kanadepro.com.

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. SpaceTrack tracks daily usage, enabling you to predict when serious problems will occur while noticing any abnormal increases on a daily basis. The system is very easy to install.

Disk Piecharter for Windows is a Graphical Disk Explorer that shows disk usage per file and per directory in a piechart. You can zoom in and out on piechart segments (directories). You can also delete files and directory trees with it. Then it immediately shows the effect on free diskspace.

WIndows Disk Housekeeping and Cleaning Utilities. These 2 applications enable you to answer the question: "where has all my disk space gone?", and once answered, the disk space can be quickly and easily reclaimed. DiskUsage & DiskClean are distributed together as one utility package.