CleanMyMac X - Clean, protect and speed up your Mac
MacFly Pro - Smart assistant for better Mac performance
Stellar SpeedUp Mac - Stellar SpeedUp Mac is one of the best software for the Mac OS X operating systems that is designed to enhance the performance of the Mac devices.
FoneDog PowerMyMac - PowerMyMac Fresh Your Mac A New Life. It is an All-in-One Mac app. 20+ in 1 Apps for Mac.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
AdwCleaner - AdwCleaner is a free removal tool for : Adware (ads softwares)