FREE license of O&O Defrag 10 Professional Edition

[Sniper]

O&O Software -

O&O Defrag 10 Professional Edition for Windows-based workstations unlocks your computer's hidden performance. By securely repacking your hard disk's fragmented data back together, the operation of your hard disks can be streamlined to run with lightning efficiency. O&O Defrag 10 Professional Edition offers an extremely simple user interface with a multitude of important functions you won’t find with other defragmentation software.

also consider (freeware)

- Defraggler - File and Disk Defragmentation - Free Download
- MyDefrag v4.2.7

 

[RHochstenbach]

wow, great find :)
Really an essential tool for Windows machines :)