Fully documented and supported. Lot of examples.
Admin Builder comes with lots of usage examples, and a basic plugin template. This saves you a tremendous amount of time by relying on well-written, reusable, and tested code.
Admin Builder is designed to be used by developers. Many hooks are available to allow full style and behavior customization.
A particular effort has been made to offer you the most complete and precise documentation. I am also at your disposal in case of difficulty.