Gravity Forms is a powerful and flexible WordPress plugin used to create forms for contact, surveys, registrations, and more. It offers a drag-and-drop interface, making it easy to build custom forms without coding. Features include conditional logic, multi-page forms, payment gateway integrations, email notifications, and advanced data handling. Gravity Forms is available in both free and premium versions, with the premium version offering additional features such as more advanced integrations and enhanced customization options. Some third-party platforms may provide Gravity Forms under the GPL (General Public License), but these versions do not include official support or updates.