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 understand that you want to have the same form to be completed by multiple users. This can be achieved by using the following workaround. I've tried this using different browsers and devices.
However, the issue here notifying the other user after completing is not possible since notifications works only after submitting the form.
You may also allow the users to submit your JotForm so that the recipients can be received an email with edit link.
Hope this information helps.