Debloat Windows 10 - A collection of Scripts which disable / remove Windows 10 Features and Apps.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
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!
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
O&O AppBuster - Remove Windows 10 apps, including hidden ones.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode