Auslogics Disk Defrag
Disk fragmentation leads to system slowdowns, PC crashes, slow startup and shutdown and sometimes to system failures. Auslogics Disk Defrag is designed for fast optimization of today's modern hard disks. Get the maximum performance out of your expensive hardware investments. ... Besides causing slowdowns, fragmentation makes the hard drive disk heads move frequently when reading files which leads to freeze-ups and system crashes. ... Improve computer performance and stability Increase your productivity - no more waiting for files to open Defragment disks in only a few minutes Useful disk...
http://www.auslogics.com/disk-defrag/download/diskdefrag_install.exe - 1Mb - Download - Screenshot

O&O Defrag Professional Edition
The new O&O Defrag V8 Professional Edition activate performance you thought was lost forever - quickly and reliably. Within a few minutes, O&O Defrag V8 Professional Edition optimizes your hard disks with Windows XP, Windows 2000 and Windows NT and rejoins the file fragments together. ... If the user wishes, they can take advantage of O&O Defrag's new OneButtonDefrag technology with everything from automatic configuration to sophisticated optimization strategies - everything you'd expect from the market leader in the field of hard disk optimization.
http://www2.oo-software.com/files/...agv8/OODefrag8ProfessionalEnu.exe - 8Mb - Download - Screenshot

Crap Cleaner
Crap Cleaner is a system optimization and privacy tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history. But the best part is that it's fast (normally...
http://ptsavers.5gigs.com/dl/crapcleanersetup.exe - 1Mb - Download

ErrorSafe
ErrorSafe - is the ultimate solution to scan and fix computer problem, corrupt file and hard drive errors. ErrorSafe cleans and troubleshoots Windows Registry, ensuring stability, optimal configuration and high system performance, frees up the disk space on your PC by eliminating unused and... You will hardly notice ErrorSafe as it cures corrupt files and performs hard disk scan. ... This ultimate computer optimization suit starts functioning immediately upon installation. ... All in one suite: complete professional system optimization, protection and recovery solution to fix computer...
http://download.errorsafe.com/files/ErrorSafeScannerSetup2222.exe - 2Mb - Download - Screenshot

HS WinPerfect
Build on the core system of HS CleanDisk Pro , this software is windows system optimizer which cleans hard-disk and system registry, optimizes memory, tunes-up system specific settings, accelerates internet connection, improves cpu usage, maintains security and uninstalls software no longer wanted. ... * Backup important data in the hard-disk SECURITY * All modifications and cleaning may be restored at a later time, if security button is checked. ... * Terminate unwanted multiple selected processes * Ability to remove applications start-up list to disable automatic execution of programs...
http://www.haysoft.com/files/winperfect1.exe - 2Mb - Download - Screenshot

Keynesis Lockngo Professional
Lockngo Professional encrypts and password protects flash drives, portable drives, removable disks and external disks, using 256-bit AES military specification unbreakable encryption with a wiping mechanism that writes random data on deleted files so that they cannot be restored. ... Supports external hard drives or large volumes. ... 00 Flexiable security levels (quick lock, data encryption, data encryption + free space wipe) Command line control and administration for advanced user and system administrators Interactive 'Estimated locking time' information Speed optimization Version 2.
http://www.keynesis.com/downloads/bin/lockngo.exe - 311Kb - Download - Screenshot

Asmw PC-Optimizer pro
Asmw PC-Optimizer pro is a collection of over 30 system-maintenance and optimization utility to tune up windows performance. Remove junk files and zero size files to save valuable disk space; Registry Cleaner, to prevent application crashes;backup and restore backup; popup killer; Startup... It is fast, easy, safe, and powerful.
http://www.asmwsoft.com/files/asmwpcoptimizer77.exe - 6Mb - Download - Screenshot

Trace Remover WinCleaner N' Optimizer
TraceRemover WinCleaner N' Optimizer has 9 easy-to-use modules that were especially designed for that but also includes an absolutely unique feature - the One-Click-Optimization optimizes your complete Windows® with only one click. If you use the default options, the functions "Drive Cleaner" :... With the new user interface and many new features you get an unbeatable collection of tools that make your Windows® system fast, easy and safe. ... Quick, easy and whenever you want with File Associator.
http://www.traceremover.com/download/trwc2611.exe - 9Mb - Download - Screenshot

Trace Zapper WinCleaner N' Optimizer
TraceZapper WinCleaner N' Optimizer has 9 easy-to-use modules that were especially designed for that but also includes an absolutely unique feature - the One-Click-Optimization optimizes your complete Windows® with only one click. If you use the default options, the functions "Drive Cleaner" :... With the new user interface and many new features you get an unbeatable collection of tools that make your Windows® system fast, easy and safe. ... Quick, easy and whenever you want with File Associator.
http://www.tracezapper.com/download/tcwc2611.exe - 9Mb - Download - Screenshot

ZeroTraces WinCleaner N' Optimizer
ZeroTraces WinCleaner N' Optimizer is like having your own personal cleaning company for your Windows® computer. Like a professional cleaner, the program knows exactly what kind of dirt to look for, where to find it & how to get rid of it efficiently & without damaging anything else on your PC. ... (We have selected those features that do not require expert knowledge), Optimize your hard disk drives with Drive Cleaner : Gets rid of general redundant files, Get rid of unused or duplicate DLL files with DLL Cleaner, Cleans up leftover garbage in the Windows® registry with Registry Cleaner,...
http://www.filehog.com/zerotraces/ztwc2611.exe - 9Mb - Download - Screenshot