XP Smoker 

If Windows XP drives your system, XP Smoker steps on the gas...and keeps you in control. Want your applications to run faster? Want to surf the Internet with blazing speed? You don't need a new computer. You simply need XP Smoker.
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XPepius 

XPepius is a tools suite for tweaking, optimizing, tuning and cleaning of WinXP. It helps you increase performance and manage your system using 450+ tweaks and 5 utilities: Start-Up Manager, Uninstaller, Cleanup Center, Disk Cleanup and Designer XP.
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Cacheman 

Cacheman is a utility designed to improve the performance of your computer by optimizing the disk cache, memory and a number of other settings. Cacheman is able to prevent frequent paging to the hard disk, resulting in improved performance.
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WinSettings Pro 

WinSettings optimizes Windows and protects your online privacy. It repairs Windows, cleans up your surfing tracks automatically or on demand.
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Tweak Manager 

Take complete control of your Windows system with access to hundreds of powerful tweaks and hidden registry settings.
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MindSoft Utilities XP 

Mindsoft Utilities XP can be used by computer professionals as well as amateurs that have limited knowledge of these types of tools. The interface allows for easy navigation and high efficiency.
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