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JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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The default Matrix field can only accept a single input type. You could setup a second matrix next to the first one with checkboxes instead of text boxes. I setup a quick test form to show what that would look like:
This can be modified to make it look cleaner.
Or, you could use something like our configurable list widget:
This will allow you to have multiple field types in the same widget. Slightly different setup than that matrix however.