Telegram bot API - The Bot API allows you to easily create programs that use Telegram messages for an interface.
Aivo - Skyrocket your Customer Service and Sales KPIs with a Chatbot powered by Artificial Intelligence. Give time back to people.
Morph.ai - Morph.ai is an AI powered platform where businesses can build their own chatbots.
Zendesk Answer Bot - Chatbots
Tars - TARS enables users to create chatbots that replaces regular old webforms.
DontGo - DontGo chat solution engages outbound website visitors and converts them into leads.