UltraDefrag
UltraDefrag on Windows 8 | |
Original author(s) | Dmitri Arkhangelski, Stefan Pendl, Justin Dearing, Sayem Chaklader |
---|---|
Stable release | 6.1.0 (April 19, 2015 ) [±] |
Preview release | 7.0.0 beta2 (October 19, 2014) |
Written in | C, JavaScript, Lua |
Operating system |
Windows NT 4.0 Windows 2000 Windows 2003 Windows XP Windows Vista Windows XP x64 Edition Windows 7 |
Type | Defragmentation program |
License | GNU General Public License |
Website |
ultradefrag |
UltraDefrag is an open-source disk defragmenting utility for Microsoft Windows. It is released under the GNU General Public License. The only other Windows-based defragmentation utility with a GNU GPL was JkDefrag, but its GPL version was discontinued in 2008.
UltraDefrag uses Microsoft's defragmentation API and works on Windows NT, 2000, XP, Server 2003, Vista, and 7 operating systems. It supports FAT12, FAT16, FAT32, exFAT, and NTFS file systems.