AusLogics DiskDefrag is a defragmentation solution that is very simple to use and offers fast response.
Defraggler helps to a better management of disk space on the computer.
Despite its poor interface, MyDefrag is a faster and lighter solution for Windows defragmenter.
O & O Defrag is a complete solution for disk optimization and defragmentation.
UltraDefrag keeps the computer drives at their normal speed by offering an easy and intuitive defragmentation process.