CleanMyMac X - Clean, protect and speed up your Mac
Turbo Boost Switcher - Toggle the processor’s Turbo Boost mode on demand.
Fossils - Find and clean out all your old unused files
AlDente - MacOS menu bar tool to limit maximum charging percentage
DaisyDisk - DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.
Macs Fan Control - Macs Fan Control is an iMac, MacBook Pro, MacBook Air, Mac Mini and Mac Pro fan control that is the solution of two basic issues namely noise problems and overheating problems.