Windows10Debloater - Script/Utility/Application to debloat Windows 10
SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.
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!
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Tiny10 - Based on Windows 10 LTSC 2021, tiny10 aims to be a lightweight version of Windows 10 for low-end PCs and the like!
Clean Master - Some users swear by it, some call it a glorified snake oil that does more harm than good. That can be said about any snake oil, but what specific brand of snake oil can boast almost a billion downloads around the world?