Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Live Chat by Sumo.com - Instantly communicate with customers, prospects & visitors

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.

Zendesk for Startups - Everything you need for seamless customer conversations.

Gist Platform - Live chat, bots & marketing automation -- free.

Drift - A messaging app that helps you grow your business.