CleanMyDrive - A lightweight drive manager for Mac
Xee3 - A better Mac OS X's Preview.app
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
MacFly Pro - Smart assistant for better Mac performance
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Power Mode Switcher for macOS - macOS Monterey introduced a new feature for some Macs called Low Power Mode so you can save energy while keeping your Mac cool and quiet.