1)   PC Booster 5.0
PC Booster - Optimize, Accelerate and Stabilize your Computer PC Booster safely optimizes your PC automatically: Tweak hidden System, Internet, Memory, Hard Disk, CD-ROM/DVD-ROM, Desktop, and Start-up/Shut-down settings for maximum performance.
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 2)   MemZilla 4.93
Keep your computer running like new, make it "Fast and Stable" with a single keystroke!
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 3)   RAM Booster Pro 5.0.1
RAM Booster Pro v5.0.1 cleans the RAM and stops the Memory Leak
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 4)   Registry Cleaner/Optimizer 1.01
PAL Registry Cleaner/Optimizer is a simple registry cleaner for Windows that safely cleans and repairs registry problems with a single click.
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