It is a collection of system utility features that help you perform advanced administration tasks on Apple Macintosh computers. The application uses a self-adapting user interface that automatically adjusts to the computer model and the version of macOS you are running.
All options available in the current situation are accessible via "panes," which are very similar to the techniques you already know from the System Preferences application. The features are controlled via a single window, allowing you to use the application as a general toolbox and first aid assistant.
Finder enhancers
Cache and font cache cleaners
Scripts to create bootable system installers and recovery disks
Tools to access hidden preference settings
Applications to make objects invisible in the Finder
Log file browsers
Application uninstallers
Single User Mode troubleshooting tools
Spell-checker and dictionary editors
And many others
MacOS 11.0 or later