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 with diagrams. You can use it to easily explore and analyze disk space and search for duplicates.
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QuickWiper 

QuickWiper is a disk and file wipe utility. With QuickWiper you can wipe free disk space and wipe sensitive files from you hard disk. QuickWiper provides quick and secure file wiping. You can use system cleaner to clear cache with one-click.
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Disk Size Manager 

Disk Size Manager - a powerful hard disk space manager. 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.
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SourceSafe Addin 

Prevents SourceSafe from checking files in when there isn't enough disk space left on the drive Aids documentation fo C/C++/IDL/ODL files by automatically adding/updating header information to the files if it is missing
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Acronis Disk Director Suite 

Acronis Disk Director Suite is the only disk partitioning software that allows you to automatically or manually resize, copy and move partitions without losing data. It also lets you reorganize the hard drive structure and optimize disk space usage.
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WatchDISK Disk Space Tracker 

WatchDISK provides the information you need to: Find out why free disk space has suddenly dropped, Project future storage needs, Justify additional storage capacity investments to management. Includes automated scans and low disk space warnings.
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