Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
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.
Mem Reduct - Mem Reduct is a small application that allows you to monitor and clean your computers memory.
NETGATE Registry Cleaner - NETGATE Registry Cleaner cleans and defragment your registry.
CleanMem - CleanMem keeps memory use in check on the system without the memory being pushed to the page file.