Auslogics Disk Defrag Touch - The smart way to defragment a touch-screen computer running Windows.
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.
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!
PerfectDisk - PerfectDisk reduces total IOPs by 15-40% and reduces disk latency up to 80%.
Amigabit Disk Defrag - Amigabit Disk Defrag - Defragment your hard drives effectively for peak PC performance.