Facebook Auto Reply - Create Facebook autoresponder campaigns for your pages and groups.
SocialMate App - SocialMate is #1 Free Comment Growth Tool with many other features for Facebook and Instagram Automation - Chatbot, E-commerce and More.
ManyChat - ManyChat lets you create a Facebook Messenger bot for marketing, sales and support.
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
BotStar - BotStar | Engage Customers Online with Live Chat & Chatbots
Telegram bot API - The Bot API allows you to easily create programs that use Telegram messages for an interface.