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 can easily create a voting form in the Form Builder using the available tools. In the Basic Fields, click the Radio Button and drag it in your form. You can edit the text and label by clicking it.
You can limit the submission by using the Unique Question tool. Here's a guide:
1. Create an E-mail field.
2. Click the Preferences button in the Form Builder.
3. Go to the Advanced tab and change the Unique Question to E-mail. Click the Save Changes button when you're done.
Related guide: How-to-set-Form-Limits-Based-on-a-Unique-Question
Hope that helps. Let us know if you need further assistance. Thank you!