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.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
Avast Cleanup - Next generation tuneup and cleanup for your PC
Autoruns - See what programs are configured to startup automatically when your system boots and you login.
Clean Master - Some users swear by it, some call it a glorified snake oil that does more harm than good. That can be said about any snake oil, but what specific brand of snake oil can boast almost a billion downloads around the world?