Chat services
There are several available chatbot services all over the internet. You can easily create a chatbot by registering yourself on one of the following services or by downloading any necessary libraries. Let's go through some very interesting chatbots that you should have in mind; and make sure you keep them at the back of your mind for future projects.
Chatfuel
Chatfuel is good if you have a page on Facebook. It is actually a bot for Facebook Messenger and Telegram. The installation steps are very easy and guide you step by step in making your own chatbot, without any coding needed. You can edit a response for any question asked, and the best part of it is that it is free if you stay under 1,00,000 messages per month. In the following screenshot, we can see the interface of the Chatfuel service:

Source: https://bbvaopen4u.com/
Frow XO
Flow XO, on the other hand, offers a wider array of features and integrations. You have a visual bot builder with a graphical user interface, such as...