What are some alternatives?
When comparing IBM Watson Assistant and Botfuel, you can also consider the following products
Aivo - Skyrocket your Customer Service and Sales KPIs with a Chatbot powered by Artificial Intelligence. Give time back to people.
Conversational Form - Turning web forms into conversations. By SPACE10
Zendesk Answer Bot - Chatbots
Tars - TARS enables users to create chatbots that replaces regular old webforms.
Dialogflow - Conversational UX Platform. (ex API.ai)