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

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.

TreeSize - TreeSize tells you where precious disk space has gone to.

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.

Avast Cleanup - Next generation tuneup and cleanup for your PC

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.