auslogics disk defrag
Free   
4

Powerful disk defragmenter which will allow us to have the computer completely optimized and ready to use as the first day.

auslogics disk defrag
Free   
2

Tool with which we can optimize all our system and defrag the Hard Disk.

ultradefrag

UltraDefrag

 9.0.0 - 64 bits
Free (Open Source)   

This is a new defragmenter very quickly and secure for your computer