Debloat Windows 10 - A collection of Scripts which disable / remove Windows 10 Features and Apps.
Tron Script - Tron is a glorified collection of batch files that automate the process of cleaning up Windows systems.
O&O AppBuster - Remove Windows 10 apps, including hidden ones.
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.
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!
NETGATE Registry Cleaner - NETGATE Registry Cleaner cleans and defragment your registry.