A chatbot is a computer program or an artificial intelligence (AI) system designed to interact with users through a conversational interface, typically in natural language. Chatbots are used to simulate human conversation and provide automated responses or assistance to users based on predefined rules or machine learning algorithms.
Rasa is an open-source framework for building chatbots and conversational AI applications. It provides a set of tools and libraries that allow developers to create, train, and deploy chatbots that can understand and respond to natural language input.
Dialogflow, formerly known as API.AI, is a cloud-based natural language understanding platform developed by Google.
IBM Watson provides tools and services that can be used for chatbot development. Here in this video an overview of the steps involved in developing a chatbot using IBM Watson: