If you’re a high-volume sender concerned with the size of your MailChimp list, you might be looking for advanced reporting about the overall health of your list in addition to your campaign reports. ListMD supplements MailChimp’s in-app reporting by giving you detailed analytics about your lists.
ReplyTo helps you manage replies that are generated when you send email newsletters. It keeps your inbox clean by sorting human messages from automatic replies and other junk.
Goooal allows you to add subscribers to MailChimp static segments based on the pages on your site they visit from your email campaigns
Chimplets are small apps that perform specific tasks for MailChimp users. Generally, they’re super useful for a segment of the MailChimp user base, but not all that useful for everyone, so that's why we didn’t put them in MailChimp proper.