Autoruns - See what programs are configured to startup automatically when your system boots and you login.
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
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.
NETGATE Registry Cleaner - NETGATE Registry Cleaner cleans and defragment your registry.
Mem Reduct - Mem Reduct is a small application that allows you to monitor and clean your computers memory.
Eusing Free Registry Cleaner - Eusing Free Registry Cleaner: Safely scan and repair registry problems - Spyware FREE.