Freemasonry cannot be modern by definition, but the closest would be liberal Freemasonry where the main rules are 1. Work on yourself with the help of your brot

Freemasonry cannot be modern by definition, but the closest would be liberal Freemasonry where the main rules are 1. Work on yourself with the help of your brothers and sisters (a bit like zen Buddhism), and 2. Apply the rules of Freemasonry in the outside world (mainly don't be an asshole).