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.
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.
Amigabit Disk Defrag - Amigabit Disk Defrag - Defragment your hard drives effectively for peak PC performance.