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.
I have check your forms and three of them do not have fields and because of that they are blank.
When you add fields to your form you need to save changes you made.
You can also revert your form back to an older version. Inside of this article you can find out how to do it: http://www.jotform.com/help/294-How-to-View-Form-Revision-History
Hope this will help. Let us know if you need further assistance.