Does anyone have a good substitute for Greek yogurt?

Yes, I know it's got good macros and it is low calorie, but I am allergic to it and I don't wanna itch and sneeze. I can have dairy, but not yogurt especially not greek yogurt or blue cheeses. Mold allergies are annoying. I just want something I can use as a condiment in the same way a lot of low calorie recipes use it.