Telegram bot API - The Bot API allows you to easily create programs that use Telegram messages for an interface.
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
BotStar - BotStar | Engage Customers Online with Live Chat & Chatbots
Botsify - Ever wonder if you could replace your live chat support system with a chatbot?. Its possible now with Botsify Chatbot For Website.
Collect.chat - Interactive chatbot for collecting data & feedback
SocialMate App - SocialMate is #1 Free Comment Growth Tool with many other features for Facebook and Instagram Automation - Chatbot, E-commerce and More.