This constant contact form plugin add the entered email address into site admin constantcontact.com account with mentioned group.
Simple WordPress Constant Contact Plugin to take name and email and allow to send that information straight to Constant Contact
POC Constants Definer defines WordPress constants quickly without change code.
GUI in backend to define constants without any programming knowledge. Every file in your theme has access to your constant.
Adds an export emails page that allows you to export the email list of your subscribers and the email list of all the people who left comments.
Modify WP_DEBUG and other wp-config.php constants directly in the WordPress admin rather than manually editing them!