Disk Defrag

WinContig is an easy-to-use stand-alone defragmentation tool that doesn't create any installation directories or Registry entries on your computer. Its purpose is to quick defrag files without the need to defrag the whole disk. In addition, WinContig allows you to group files into profiles, and also it accepts a number of optional command-line switches that you can use to control how the program operates.
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Quick Defrag
Do you have a filled up, slow Hard Drive? Are you fed up with waiting times? Do you want your Hard Drive to work faster? Then Quick Defrag is for you! Quick Defrag allow's you to defrag your Hard Drive, in a matter of seconds, literally. Just load it up, select the drive and click start and watch your Hard Drive finish defragging before you can blink your eyes! 3 step process, that's all it takes. No install required! With Quick Defrag, you'll never end up with a slow, clocked up Hard Drive.
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HDiskDefrag serves at defragmenting files on your hard disk volume. However, you should analyze whether a defragmentation is absolutely necessary and reasonable. If it's unnecessary, it will burden the disk, without bringing the performance of the system.
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UltraDefrag is the first open source disk defragmenter for Windows which supports defragmentation of system locked files by running during the Windows boot process.
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Puran Defrag
Puran Defrag is a very simple disk defragmenter which will defrag the files and optimize your system, collecting all the fragments of a file and putting them together, as well as moving some frequently used files and all directories to faster disk areas. This process boosts your hard disk performance and thus overall system speed. In addition it reduces wear and tear on your hard disk, thereby increasing its life span.
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Use Defraggler to defrag your entire hard drive, or individual files.
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