I am one of the makers of https://www.gleek.io https://www.gleek.io What diagram do you need to create, ERD? If yes, we have those. However, the app cannot do

I am one of the makers of https://www.gleek.io https://www.gleek.io What diagram do you need to create, ERD? If yes, we have those. However, the app cannot do drill down yet (and don't know what app can do it).