Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Scale Model - Connect with more of the people who really matter
Live Chat by Sumo.com - Instantly communicate with customers, prospects & visitors
Owlead - Grow your Twitter with valuable followers, effortless
Mailchimp Newsletters widget by LiveChat - LiveChat newest integration with Mailchimp helps you get in touch with your website visitors by displaying an interactive greeting that allows them to sign up to your newsletter list.
Twitter Audience Insights - Loads of info about your followers, their interests, & more