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.
I'm afraid that I do not fully understand your question. Can you please tell us a little more about what you are trying to achieve?
What source code are you talking about?
If you are trying to email the form to your users, so that they can fill up the form and submit, please take a look at this guide: How-to-Share-Form-using-Email-Link.
If you would like to find the source code of your forms, please take a look at this guide: How-to-get-your-Form-Source-Code.
If you are looking for something else entirely, please tell us a little about what you would like to accomplish, and we will be happy to help.