Works great - very useful
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Avast Cleanup - Next generation tuneup and cleanup for your PC
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Advanced System Optemizer - Clean, optimize and personalize your PC
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
CleanMyPC - A smart cleaning tool for a better-running computer.