Yes, and they are more common than you may think. In reality most of the companies provide a mean to use their service without upfront payment in a form of a trial or a free account. The latter comes at the expense of some restrictions, like a limited access to the designs, and they also lock the more interesting features behind a paywall. Still, the ability to create your wedding website from start to finish and then submit it without paying a dime: now this is an offer a nubile couple cannot refuse.