Bot Analytics - Bot Analytics is a conversational analytics tool that helps chatbot owners to improve human-to-bot communication. Identify bottlenecks, filter conversations, and understand engagement.
ManyChat - ManyChat lets you create a Facebook Messenger bot for marketing, sales and support.
Dialogflow - Conversational UX Platform. (ex API.ai)
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.
Botsify - Ever wonder if you could replace your live chat support system with a chatbot?. Its possible now with Botsify Chatbot For Website.
Botlytics - Analytics for your bot