CleanMyMac X - Clean, protect and speed up your Mac
SDelete - Securely overwrite your sensitive files and cleanse your free space of previously deleted files using this DoD-compliant secure delete program.
BuhoCleaner - The Best Mac Cleaner Optimized for M1 Pro & M1 Max
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Clean Me - A small macOS app that acts as a system cleaner (logs, cache, …)
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?