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 and reliable as possible.

Changelog RC1:
- partial defragmentation was added to decrease number of fragments even when there are no free space on disk to hold all fragments of file together
- volume optimization algorithm was improved to prevent useless additional optimization passes
- one little bug preventing optimization from being stopped was fixed in driver
- volume optimization algorithm was improved to prevent skipping heavily fragmented parts of the processed volume
- progress is now added to the GUI window caption, so it is displayed in the tooltip of the taskbar icon
- cryptic single character progress label was replaced by the localized operation names
- file system type detection was rewritten to be more reliable and detect UDF-formatted volumes properly
- fixed a problem where the case of the names of the help pages launched from the configuration dialog did not match
- fixed a problem, where .lua files would get executed instead of edited, if "Lua for Windows" was installed
- 10 seconds delay is skiped on boot time scan, if only one keyboard is present
- added language selector to the GUI package
- Hindi translation was added
- the following translations were updated:

Croatian, Danish, Dutch, French, Greek, Polish, Russian, Serbian, Swedish, Turkish

Program Information Category: Tools and Utilities Type: Free Version: 4.4 RC1 Size: 470.7KB Works on: Windows Product page: here