JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
You can try downloading the form's full source code by following this guide: https://www.jotform.com/help/104-How-to-get-the-Full-Source-Code-of-your-Form
Or you can get our license JotForm Application which is a separate product, this will allow you to host the form builder and the forms to your own server or network. You can find more details of this product in this link: http://interlogy.com/products/jotform/. However, please note that apps and widgets won't be available to be used in this product.
I hope that helps.