Is there a website that displays free food deals with no purchase necessary from fast food places that is regularly updated?

Usually I’ll see ads about free food deals with no purchase necessary, but it seems like they’re scarce nowadays. For example, McDonald’s used to give free fries with no purchase necessary for new users who sign up and I would just keep creating new accounts, but it seems like they needed it a few months ago. I’d like a central hub to find deals. Does anyone know of a site?