Caldera Forms
Caldera Forms is another popular contact form plugin for WordPress. You can easily integrate it into many other popular platforms using the Advanced Form Integration plugin. Both free and paid versions of Caldera Forms are supported.
To start integration Caldera Forms, go to the Advanced Form Integration plugin menu and start new integration.
Title: A default title will be auto-added but you can rename it to a meaningful one. That can help you to quickly recognize the correct one when you have several integrations.
Form Provider: Select Caldera from the dropdown. Please remember that the Caldera Forms plugin must be installed and activated otherwise you won’t find it in the dropdown.
Form Name: A list of all forms created in Gravity Forms will be populated here. Select the one that you want to connect with.
Platform: Now select the platform you want to connect to and finish the setup. Please check Receiver Platforms documentation to know more about that specific receiver platform.