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:
- a lot of extremely important bugs were fixed
- the strongest error handling was added to all program modules
- program is available again for all 64-bit targets
- documentation was rewritten to be much clearer
- kernel mode driver was removed as a component less reliable by definition
- translations submitting is available again through http://ultradefrag.wikispaces.com/
- USB keyboards support at Windows boot time was added
- all important program sources were well documented

Program Information Category: Tools and Utilities Type: Free Version: 4.0.0 Size: 394KB Works on: Windows Product page: here