Chat Widget from ChatBot - Place your bot on your website and let it chat with clients
Dialogflow - Conversational UX Platform. (ex API.ai)
Response Manager - Manage duplicated form responses easily
Octane AI - Octane AI offers tools to create a bot and engage customers and audience via messaging.
Google form bots - Convert Google Form into chatbot in 1 click
Botpress - Open-source platform for developers to build high-quality digital assistants