Custom Checkout and Customer and Address Fields manager Module

You can now easily add custom fields to any checkout steps with Checkout Fields module. Any type of field – selects, text, radio buttons, etc. Make them required or not, add validation. It is really easy to use module. A perfect choice both for specific cases where you require some information from the customers and when you just allow them to answer a couple of questions for you.
With the Customer Attributes module, you are able to get any information about new customers and already existed ones at any time you like. The module gives you a possibility to create additional customer attributes and display them on the registration form or in the customer account area to allow logged in visitors to manage their data. Your customers are asked to leave some additional info and you get knowledge about them immediately.