CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
Onyx by Titanium - This website provides operating system utilities for macOS
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
MacPilot - Unlock over 1200 features in Mac OS X and optimize your system!
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.