CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.

Tidy Up - Tidy Up is the duplicate finder and disk tidiness utility for expert users.

Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC

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.

Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.

CleanAfterMe - CleanAfterMe allows you to easily clean files and Registry entries that are automatically created by the Windows operating system during your regular computer work.