CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
WinExt Free - Powerful Win utilities: fix registry issues, clean system junk, protect privacy, optimize system, find duplicates, show larger resources, see more info of recently accessed resources, monitor activity, make batch operations, synchronize resources.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
WinUtilities Pro - Download WinUtilities 15.74 for Windows. Fast downloads of the latest free software! Click now
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
TweakPower - TweakPower is a versatile PC cleaning optimization and backup software that lets you fix all the problems that occur in your PC as well as fix common problems.