What are some alternatives?
When comparing Tars and Dialogflow, you can also consider the following products
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Amazon Lex - Harness the power behind Amazon Alexa for your own conversational apps.
ManyChat - ManyChat lets you create a Facebook Messenger bot for marketing, sales and support.
IBM Watson Assistant - Watson Assistant is an AI assistant for business.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Botpress - Open-source platform to create, manage and extend bots