The most advanced responsive drag and drop modal form builder with Bootstrap 3. The Modal-Form Plugin for WordPress allows you to build contact and newsletter forms in the WordPress administrative interface without any help from Php or mySql. We’ve tried to make it simple enough for anyone to make them work. It’s just drag and drop things and you are ready with a contact form, yet there are options to customize them to your satisfactory level. It is full functional contact form with email template which is also customizable.

Demo: https://codecanyon.net/item/modal-form/9321675