JotForm is an interestig web based WYSIWYG form builder. Its intuitive drag and drop user interface makes form building a breeze. Using JotForm, you can create forms, integrate them to your site and collect submissions from your visitors. JotForm now integrates with PayPal, Google Checkout, WorldPay, 2CheckOut, ClickBank and OneBip payment gateways, so you can collect payments from your users. Basic features are for free.