when it comes to Trappist beer. These are the ones I like the most.
Chimay blue
https://chimay.com/en/bieres/bleue/
Orval Supposed to be a beer Diabetics can drink. ( they do run out a lot though seeing its popularity)
http://www.orval.be/en/8//
Westmalle tripel
https://www.trappistwestmalle.be/en/westmalle-tripel
Rochefort 10
They don't seem to have a website i can find
Grimbergen
Not a trappist anymore, no monks that brew it and owned by Carlsberg now. Heineken gave it to them after buying the Alken-Maes brewery (maes is the biggest competition for Stella in Belgium ).
https://www.grimbergenbeer.com/en/