ARForms is a top-of-the-line WordPress form builder plugin that comes equipped with seamless integration capabilities for multiple email marketing systems. Users can easily sync their forms with seven different autoresponder systems, including popular platforms like Aweber, Mailchimp, GetResponse, iContact, Constant Contact, Ebizac, and GVO.
To see ARForms in action, check out the demo here: http://codecanyon.net/item/arforms-wordpress-form-builder-plugin/6023165
Please note that the file provided in the demo link has an "UNTOUCHED" status, meaning that the original developer code remains intact without any alterations.