1)   SpeedUpMyPC 3
The award winning utility software that ensures your PC is automatically optimized for maximum performance in just a few easy clicks. System settings, internet usage, disk clutter, RAM and CPU are scanned, cleaned and optimized for peak performance.

 2)   RamCleaner 6.9
Are you tired of crashes, slow applications that run out of resources every 5 minutes? RamCleaner makes it easier than ever before to free up unused RAM, prevent crashes and increase performance. It's as good as adding more RAM to your computer.