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.
Yes, any column like the configurable list widget or the matrix field. You can then just hide it in the form through its properties:
When the form is submitted, you can see this hidden field using the edit link:
You can also edit a submission in the form submissions page: https://www.jotform.com/help/269-How-to-view-Submissions.