1)   Big Hard Drive Cleaner 3.4.2135991.01
Free Up Valuable Space on your Hard Drive! While many files on your computer are essential for your system’s performance, others are unnecessary and take up valuable space on your hard drive. Effectively deletes useless files from your Hard Drive!

 2)   PC Accelerate 2.1
PC Accelerate increase priority foreground window and optimize memory status.Accelerate your PC! Work with maximum performance!

 3)   Advanced System Optimizer 2.10
ASO v2 is a powerful system performance and optimization suite. It lets you supercharge your PC's performance. You can enhance security, beautify and optimize Windows, tweak settings, customize screens, and make Windows work the way you want it to.