Tech Tool Store - Tech tool store is an IT professional application which contains more than 600 free technician tools packed in a simple, fully featured interface.
Avast Cleanup - Next generation tuneup and cleanup for your PC
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
CleanMyMac X - Clean, protect and speed up your Mac
Autoruns - See what programs are configured to startup automatically when your system boots and you login.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.