Rapid File Defragmentor 1.4 (by Danilov Oleg & Scherbakov Sergey)
Defragmenter allowing you to defragment files and directories by schedule

hsDefragSaver 1.0.4.11 (by Hachisoft Corporation)
A Screen-Saver that defrags your hard-drive while your computer is idle.

O&O Defrag Professional Edition 10 (by O&O Software GmbH)
The Defragmentation tool which activates performance you thought was lost.

WinASO RegDefrag 1.0 (by X.M.Y. International LLC)
Defragment and Compact Windows Registry, Speedup your System.

Registry Defragmentation 8.2.6.11 (by Elcor Software)
Performs physical defragmentation of the Windows registry

O&O Defrag Server Edition 8.6 (by O&O Software GmbH)
Defragmentation tool for Windows Servers

Diskeeper Professional Premier Edition 10.0 (by Diskeeper Corporation)
Top System Performance

Diskeeper Home Edition 8.0 (by Executive Software)
Set It and Forget It Disk Defragmenter for Windows

Auto Profiles 2.0 (by SymbianGuru)
Change Series 60 v3 profiles automatically based on schedule with Auto Profiles

Disk Performance Analyzer for Networks. 1.0 (by Executive Software)
How severely is fragmentation affecting performance on your network?

Deletor 3.1 (by Basta Computing, Inc.)
Deletor: Delete and shred files. Includes date filtering and command line access

PrintFolder Pro 3.21 (by No Nonsense Software)
A fast and efficient utility that lets you print a list of files in any folder

Disk Checker 3.1 (by RS Software Lab)
Scan for errors and repair disks, files,folders and read/write disk image

Fast Cleaner 4.7 (by Eshinesoft, Corp)
A fast, powerful and easy to use disk clean utility with a skinnable interface.

CleanDisk 2.8 (by FMJ-Software)
Keep your hard disk free from unwanted junk files