UltraDefrag is a powerful Open Source Defragmentation tool for the 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 RC2:
- history of typed commands added to the boot time interactive mode; navigation is possible by arrow keys, 'history' command can be used to list all typed commands
- call, man and type commands added to the boot time shell
- echo, exit, pause and set commands of the boot time shell improved
- clearing of the failed boot flag added for reboot and shutdown at boot time
- pending boot-off boot time script command support added, this removes the limitation of boot-on/off not working before reboot/shutdown
- interactive mode at boot time now displays help split into pages
- escape key handling added to break the boot time script execution
- boot time commands parsing was rewritten to increase reliability and flexibility of the boot time shell
- corrected cluttered progress display if console output was redirected
- optimized timeout for waiting for a keyboard event in boot time interface
- the following translations were updated: Portuguese, Chinese (Traditional)
- FAT formatted volumes are displayed in GUI now as FAT12/FAT16/FAT32
instead of less informative FAT/FAT32
- winx_heap_alloc replaced by winx_heap_alloc_ex to allow specifying flags
- winx_heap_alloc_zero added to allow allocating memory initialized with zero
- winx_ftw, winx_scan_disk, winx_fsize, winx_kb_read, winx_xtime, winx_prompt_ex, winx_get_file_contents, winx_release_file_contents, winx_wcsistr, winx_print_array_of_strings, winx_get_volume_information, calls were added to zenwinx library
- winx_fbopen call added to zenwinx library for buffered file i/o support
- obsolete winx_get_volume_size and winx_get_filesystem_name calls were removed from zenwinx library; use more common winx_get_volume_information instead
- one little bug in winx_kbhit, winx_breakhit functions was fixed
- udefrag_get_vollist and udefrag_release_vollist calls were added to udefrag library; an obsolete udefrag_get_avail_volumes was removed

Program Information Category: Tools and Utilities Type: Free Version: 4.4.0 RC2 Size: 497.2KB Works on: Windows Product page: here