Tweak-XP Pro 

See what this program offers: unlike other tweaking utilities, Tweak-XP bundles more than 56 different utilities in one: it was developed to combine both tweaking and optimizing features to increase the speed of your Windows XP system.
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XPTuneup 

XPTuneup has been designed to tuneup and customize Microsoft Windows XP Professional. Increase Network Performance and download speeds, make your system work faster.
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Advanced XP Tweak 

Advanced XP Tweak allows you to fine-tune your Windows XP and Internet Explorer easily and safely. It is the best way to tweak and optimize your Windows XP system. Advanced XP Tweak gives your system the look you want, and optimizes its performance.
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