Advanced System Optimizer is a complete PC suite which can boost your slow PC, remove spyware, system cleaner, game optimizer, update drivers and extends the life of your hard drive.

Ashampoo WinOptimizer Free – Speed up your system.

Baidu PC Faster is a free, lightweight PC optimizer with an easy-to-use and fun interface. Its features include complete system cleaning, boot time acceleration, real-time system acceleration,

Some users swear by it, some call it a glorified snake oil that does more harm than good. That can be said about any snake oil, but what specific brand of snake oil can boast almost a billion downloads

Comodo System Utilities PRO, Windows Registry Cleaner and Registry Repair Software fixes registry errors quickly and speeds up your pc significantly.

"JetClean did better with the Apps Clean module, though, where it was able to erase more application activity histories than CCleaner could manage."

In-depth cleanup. of your PC and storage devices. Smart overwriting : PrivaZer automatically recognizes your storage device type and adapts its overwriting algorithms to the storage medium

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