Widget:Mailchimp
From Sankofapedia
This widget lets you add a Mailchimp signup form to your wiki page.
It was created by Bernhard Krabina.
Using this widget
For information on how to use this widget, see widget description page on MediaWikiWidgets.org.
Copy to your site
To use this widget on your site, install MediaWiki Widgets extension and copy the full source code of this page to your wiki as page Widget:Mailchimp.