What are some alternatives?
When comparing Click&Clean and Sysinternals Suite, you can also consider the following products
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Ultimate Windows Tweaker - Ultimate Windows Tweaker is a freeware Tweak UI Utility for tweaking and optimizing Windows.
SD Maid - SD Maid is the perfect way to keep your mobile device in optimal shape by cleansing it of all the old data that clutters up the works. Inside the app, you'll find a number of advanced tools that will help you keep track of your files and apps.