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 may follow the instructions in this guide on how to add a form to adobe muse:
Adding Form to Adobe Muse
If the issue persists, then you can try using the iFrame embed code instead. Here's a guide on how to get the iFrame embed code: Getting the Form iFrame Code
Do let us know if you need further assistance and we will be glad to assist you.
Perfect, thanks a lot!