O&O Defrag

O&O Defrag packs file fragments quickly and securely back together to optimize your hard disk…

14 Alternatives To O&O Defrag

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AVG PC TuneUp

Peak performance for your PC. Keeps it going for longer. More Speed Turbo Mode

Auslogics Disk Defrag Touch

The smart way to defragment a touch-screen computer running Windows.
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Defraggler

Defraggler, the award-winning hard drive defrag tool from the makers of CCleaner. Optimize your hard drive and free up space. Download the latest version for free.

Glary Utilities

The Official Website of Glary Utilities.

IObit Smart Defrag

Disk defrag your Windows with Smart Defrag freeware, Your first choice for defragging windows 10, 8, 7, XP and Vista. Download Free disk defragmenter now!

MyDefrag

MyDefrag (previously JkDefrag) is a disk defragmenter and optimizer (a maintenance utility to make…

Power Defragmenter

is a very advanced GUI for Contig,
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Puran Defrag

Puran Defrag Description.
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System Mechanic

System Mechanic uses patented technology to help fix PC errors and restore speed. The software is compatible with multiple versions of Microsoft Windows.

WinContig

Freeware file defragmentation tool.