CleanMyMac X - Clean, protect and speed up your Mac
MacFly Pro - Smart assistant for better Mac performance
MacKeeper - The new MacKeeper app delivers multilayered protection from malware, online threats, and identity theft & Mac performance optimization. Learn what is MacKeeper.
AdwCleaner - AdwCleaner is a free removal tool for : Adware (ads softwares)
Ambeteco MyQuickMac Neo - MyQuickMac Neo organizes, optimizes, speeds up, declutters, cleans, and cares about your Mac, fully automatically, using innovative algorithms and Artificial Intelligence to deeply analyze and optimize macOS from its core.
AppZapper - The tagline say it all, "The uninstaller Apple forgot".