UltraDefrag - UltraDefrag is an open source disk defragmenter for Windows.
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.
PerfectDisk - PerfectDisk reduces total IOPs by 15-40% and reduces disk latency up to 80%.
MyDefragGUI - Windows freeware defragmentation and optimization - MyDefragGUI and the legacy JkDefragGUI.
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!
Windows Disk Defragmenter - Disk Defragmenter is a computer program included in Microsoft Windows designed to increase access...