1)   !xSpeed 5.0
Fantastic tool to speed up windows or speed down windows -256~+256 times, All software (such as games or movies) will change their speed after you adjust the speed rating in !xSpeed.
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 2)   CachemanXP 1.70
CachemanXP is a Windows tuneup utility designed to improve the speed and stability of your computer. Oneclick-Optimization makes it suitable for novice and intermediate users yet it is also powerful and versatile enough for computer experts.
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 3)   PC Speed-Boost Toolbar 1.3
PC Speed Boost & Registry Fix Toolbar. The All-In-One PC Mechanic! The PC Speed-Boost Toolbar is a browser addon that instantly boosts your PC performance with free registry scanning, spyware scanning and ad-blocking tools for faster browsing.
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 4)   SpeedOptimizer 3.0.9.5
SpeedOptimizer 3 optimizes your Network & Internet connections. The latest version expands SPO to a suite of tools, designed to optimize and fix problems in your registry, temp. Files folder, and system settings as well.
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 5)   PC Registry-Cleaner Toolbar 1.1
Free Registry Scan - Speed Boost Toolbar. Make Your PC Run Like New Again! The PC Speed-Boost Toolbar is a browser addon that dramatically speeds up your PC with free registry scanning, spyware scanning and ad-blocking tools for faster browsing.
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 6)   Cacheman 5.50
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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