List of defragmentation software
The following is a list of notable file system defragmentation software.
Commercial
- Ashampoo Magical Defrag, by Ashampoo, for Windows XP, Vista, and 7 (including 64-bit versions)
- Disk Defragmenter, by Diskeeper Corporation and Microsoft, included in most versions of Windows
- Diskeeper, by Diskeeper Corporation, for Windows XP or higher
- Norton SpeedDisk (a component of the Norton Utilities bundle), by Symantec, for DOS and Windows
- Norton SystemWorks (Speed-Disk), by Symantec, for HFS (Mac OS X) and HFS Plus
- O&O Defrag, by O&O Software, for Windows 2000, XP, Server 2003, Vista, Server 2008, and 7 (including 64-bit versions)
- PerfectDisk, by Raxco Software, for Windows 2000, XP, Server 2003, Vista, Server 2008, and 7 (including 64-bit versions)
- UltimateDefrag, by Disktrix, for Windows 2000, XP, Server 2003, Vista, Server 2008, and 7 (including 64-bit versions)
- Vopt, by GoldenBow, for Windows 2000, XP, Server 2003, Vista, Server 2008, and 7 (including 64-bit versions)
Freeware
- Contig, by Windows Sysinternals, for Windows XP, Server 2003, and higher[1]
- Defraggler, by Piriform, for Windows XP, Server 2003, Vista, Server 2008, and 7 (including 64-bit versions)
- DiskTune, by DIY DataRecovery, for Windows XP, Server 2003, Vista, Server 2008, and 7 (including 64-bit versions)
- MyDefrag, by Jeroen Kessels, for Windows 2000, XP, Server 2003, Vista, Server 2008, and 7 (including 64-bit versions)
- PageDefrag, by Windows Sysinternals, for Windows XP (32-bit), Server 2003 (32-bit), and higher
Open source
- JkDefrag, by Jeroen Kessels (discontinued but still available; replaced by free but not open source MyDefrag)
- UltraDefrag, by Dmitri Arkhangelski, Justin Dearing, and Stefan Pendl, for Windows NT 4.0, 2000, XP, Server 2003, Vista, Server 2008, and 7 (including 64-bit versions)
See also
References