"7.0.0 beta2 (October 19, 2014)" . . . . "yes" . . . . . . . "UltraDefrag"@en . . "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, 7 and 8 operating systems. It supports FAT12, FAT16, FAT32, exFAT, and NTFS file systems."@en . . . . . . .