Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
IBM Watson Assistant - Watson Assistant is an AI assistant for business.
JivoChat - JivoChat is a live chat that enables you to talk to visitors on your website
Zendesk Answer Bot - Chatbots
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
Hotello - Hotello is a SAAS cloud or on premise hospitality management software that manage establishment's day to day operations and customer service.