Ultimate Facebook Messenger for Marketers and Developers

WP Newsletter Subscription is an excellent plugin to boost up your mailchimp subscribers list.

An assistant plugin for the website service Online Booking Assistant, which can be found at http://www.onlinebookingassistant.com

Ultimate Subscribe provide awesome forms and popups to collect lead insistently. Easy MailChimp Integration.

This plugin allows scheduling of automated autoresponder messages / drip marketing messages, instant newsletters, and managing a mailing list.

WP Easy Leads is a lead generating plugin that lets you create your own lead page to capture lead.