Gravity Forms

Gravity Forms, from Rocketgenius, are being used in over a million websites, and there are plenty of reasons why. Contact and ordering forms can be customized almost endlessly, to fit every possible need. They’re simple and intuitive. And they integrate beautifully with third-party services such as PayPal.
Conditional Logic takes your forms to a whole new level, seamlessly customizing the form itself based on the web visitor’s own responses. You’ll be amazed at all you can do, quickly and easily.
Check out all the great features, and get started, at GravityForms.com