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.
Are you referring to electronic signature widgets that can be added to the form? If you are, please see the following links below, these are the available widgets related to e-signature that I found.
You can also search the widgets in the search bar of the form build editor.
Let us know if this helps, we'll be glad to assist you further.