Works great - very useful
CleanMyMac X - Clean, protect and speed up your Mac
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
BuhoCleaner - The Best Mac Cleaner Optimized for M1 Pro & M1 Max
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Clean Me - A small macOS app that acts as a system cleaner (logs, cache, …)
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode