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.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
SKTools - SKTools is a multi-featured and easy-to-use application that is bundled with over 60 tools to help you boost the performance of the system.
Wise Care 365 - Wise Care 365 is a bundle of important registry, disk, and other system utilities for your PC.
NETGATE Registry Cleaner - NETGATE Registry Cleaner cleans and defragment your registry.