PC Decrapifier - Great for PC Techs. Inexpensive and Portable. The PC Decrapifier can help you speed up that process, saving you lots of time! Just run it right off a portable USB drive. There's nothing to install!
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
PC-Popper - PC-Popper is a computer optimization program that makes your computer run like it should...
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.