Instant Registry Cleaner is an award-winning FREE tool committed itself to cleaning, repairing and optimizing Windows registry. It helps your system defend against Windows crashes, slow performance and error messages.

Registry Clean Easy is a FREE reliable registry cleaning tool providing an all-in-one and quite convenient approach for PC maintenance and privacy. With it you can safely scan, clean, repair and optimize your system with only several mouse clicks.

System Speed Booster offers the free scan and removal of system's obsolete registry entries and junk files, to protect your personal information and optimize the system to the best condition, with its multiple, solid features and sleek interface.

Registry Optimizer Free is quite robust in scanning registry, locating and removing current errors and potential threats, so as to speed up your system and protect your personal information, with tools of effective scan, fix and optimization.

Registry Cleaner Free is an advanced registry cleaner for Windows that allows you to scan, clean, and repair registry problems with a few clicks of button, so as to optimize your PC for better performance. It is 100% safe, clean and reliable to use.

System Boost Elite offers your PC the best care. It scans and cleans the invalid registry entries periodically to maintain your PC at a perfect running state. This app is FREE, small and works fast. And it is definitely clean and easy to use.

System Optimize Expert is FREE software specialized in improving your system performance by fixing registry errors and optimizing system. Act as your system doctor, this reliable utility ensures the stability and smooth running of your system.

PC Services Optimizer (formerly Vista Services Optimizer) is an open source Windows optimization solution that enables you to tweak your Windows services in an easy, automatic and safe way based on the way you use your computer.

Keep your Mac happy with Memory BoostUp, the FREE optimizer for OS X. Mac OS is competent at managing system memory, but manually freeing and purging memory can be beneficial to performance in some instances. Download Memory BoostUp to learn more.

Restore Hard Drive Data Software is the most powerful tool to rescue all the deleted or lost files from hard drive on Windows OS. Its fastest recovery engine can identify up to 300 types of files. It also recovers data from non booting hard drives.