Zendesk Answer Bot - Chatbots

HiOperator - HiOperator is a virtual assistant that answers phone calls, chats with customers, provides in-app help, takes orders, and provides support.

Aivo - Skyrocket your Customer Service and Sales KPIs with a Chatbot powered by Artificial Intelligence. Give time back to people.

Service - Customer service issues solved for you, on demand, for free.

Tars - TARS enables users to create chatbots that replaces regular old webforms.

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