WooChimp integrates your WooCommerce store with MailChimp. In just a few clicks, you can turn your store into a powerful marketing machine.
Demo: http://codecanyon.net/item/woochimp-woocommerce-mailchimp-integration/6044286
source http://www.codelist.cc/plugins/240966-woochimp-v227-woocommerce-mailchimp-integration.html