We're pleased to be able to finally present a great freeware disk defragmentater and present you with Disk Defrag. A review of Auslogics Disk Defrag has also been published.
Download Auslogics Disk Defrag 3.4.3 (from Hard Disk Defragmenters)

defragmentation, disk defrag, disk fragmented, disk speed up, disk speedup, slow disk, defrag, hard disk defragmenters freeware
Recommended Defragmenter | 4.93 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

MyDefrag is a very fast and pretty advanced freeware disk defragmentater which runs on various scripts available and comes with several default scripts which run on the program, 10 to be exact as of version 4. A review of MyDefrag has also been published.
Download MyDefrag 4.3.1 (from Hard Disk Defragmenters)

Recommended Defragmenter | 2.0 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

Smart Defrag by IObit is a smart and handy hard drive defragger which is designed to quickly and quietly run in the background, making sure your computer is always running at peak performance in terms of hard drives reads and writes. A review of Smart Defrag has also been published.
Download Smart Defrag 2.4 (from Hard Disk Defragmenters)

defragment, defragmentation, defragmenter, disk defrag, smart defrag, smartdefrag, defrag
4.64 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free

If you're looking for a way to speed up the operation of your personal computer, you may have overlooked what a proper defrag program can do to improve performance. A review of PerfectDisk Free has also been published.
Download PerfectDisk Free 1.0 (from Hard Disk Defragmenters)

defrag, defragger, defragment, defragmenter, disk management, disk utilities, perfect disk, perfectdisk, defragmentation, hard disk defragmenters freeware
0.78 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XP | Free