- Defraggler 2.03.282: To defrag your entire hard drive or individual files (Windows Freeware).
- MyDefrag 4.3.1: Free disk defragment and optimize utility (formerly JkDefrag) for Windows 2000/2003/XP/Vista/Windows 7 (Windows Freeware).
- NT Registry Optimizer 1.1j: Registry Optimization for Windows NT/2000/2003/XP/Vista (Windows Freeware).
- PageDfrg 2.32: System file Defragmenter For NT/2k/XP (Windows Freeware).
sumber : PC+