Sólo sirven para páginas web, o se pueden colocar en maillings, u otros formatos

JotForms are web based forms. However, you can send the form through email

https://www.jotform.com/help/303-How-to-Send-a-Form-via-Email

or create a fillable PDF.

Guide:https://www.jotform.com/blog/fillable-pdf-forms/

May we know more, on how you want your form to be created or how you want your form to work?

Thank you.