What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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I think you are asking if it's possible to use a jotform with a zenfolio website?
I've checked on this and I see they do allow custom webpages to be created using HTML.
So this should work since you can embed jotforms through the use of html.