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 assume that you would like to create a JotForm form that will have same functionality like the form you provided.
Before you start creating your form I would suggest you to sign up and create free account. You can use this link to sign up: https://www.jotform.com/signup
To create a JotForm form with same functionality like the form you provided, you will need to use conditional logic to hide and show fields. Inside of this guide you can find how to show or hide fields base on user's answer:
And inside of this guide you can find how to hide or show multiple fields at once:
This guide can help you to create your form:
You can also clone the form from webpage you provided. Some of the field will be cloned. Then you will need to add fields that are mission, probably rearrange some fields and set conditional logic to hide/show fields.
Hope this will help. Let us know if you need further assistance.