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.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
In saving forms, you can always edit it anytime. But, if I'm misunderstanding your concern such as if you are referring to the matter of making a form submission, you can likewise fill up forms and get back to it later on. This user guide explains how to enable the autoFill feature:
And this other guide allows you to do something similar but using session on URL parameters: