Works great - very useful
O&O CleverCache - O&O CleverCache optimizes your file cache management in Windows.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
PCSwift - PCSwift is software that improves the performance of your computer as well as your internet connection with a single click.
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
uBooster - uBooster is an app that solves the problem of your mobile executing programs slowly.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode