UltraDefrag is a powerful Open Source Defragmentation tool for Windows Platform. It can defragment any system files including registry hives and paging file. Also one of the main goals of UltraDefrag is doing the job as fast as possible.

Changelog:
- The new release candidate is much reliable than the latest 4.0.0 official release. We have fixed a lot of bugs of the NTFS scanner.

Program Information Category: Tools and Utilities Type: Free Version: 4.0.1 RC9 Size: 405.4KB Works on: Windows Product page: here