CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Auslogics BoostSpeed - Is your internet or computer running slow? Auslogics BoostSpeed can help! This award-winning PC optimizer runs disk cleanup, defragments disks & registry, speeds up internet, and keeps your PC glitch-free. Don't let a sluggish computer hold you back.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
R-Wipe&Clean - R-Wipe&Clean is a complete R-Tools answer for wipe futile records and keep up your PC protection.