Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Drift - A messaging app that helps you grow your business.
Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.
Drift for Enterprise - Automatically turn website traffic into sales meetings
Avochato - Text messaging for your business.
SendBird - SendBird is messaging-as-a-service.