UltraDefrag is a powerful Open Source Defragmentation tool for Windows Platform. It is very fast, because the defragmenting is done by kernel-mode driver. There are three interface available : Graphical, Console and Native.

Changelog:
- Japanese translation was made
- column widths in GUI are now adjustable
- processor architecture check was added to installer
- most known bugs were fixed

Program Information Category: Tools and Utilities Type: Free Version: 2.1.1 Size: 332KB Works on: Windows Product page: here