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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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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Splitty 

Splitty is a robust file splitter that enables you to reliably divide large files into smaller manageable files that can be easily transferred over the Internet, or stored on floppy disks or other modest storage media.
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