tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page

LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.

GoSquared - GoSquared Real-Time Web Analytics. See who's reading, commenting, joining, or buying on your website right now. Watch your traffic unfold.

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

Cliengo - Cliengo is a Chatbot platform that converts the website visitors into qualified leads.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.