UltraDefrag x64 7.1.4 Sourceforge    

UltraDefrag x64 is powerful Open Source defragmentation tool for Windows NT. It is very fast, because the defragmenting is done by kernel-mode driver. They are three interfaces to them: graphical, console and native. The GUI is very useful, because it represents your filesystem visually as a color coded cluster map. .... Free download of UltraDefrag x64 7.1.4

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O&O Defrag Free Edition x64 14.1 B431 O&O Software GmbH    

O&O Defrag Free Edition x64 merges fragments that were created while Windows was ... defragmentation method consolidates free space on your hard disks so that new fragmentation can be kept to ... files into various physical sectors on a hard disk. As a result, frequently-used files can be saved on the fastest sectors of the hard disk and this improves your computer’s performance even further.. .... Free download of O&O Defrag Free Edition x64 14.1 B431

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