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Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
Chainfuel for Telegram - A tool to help you manage a telegram community, prevent spam
BotStar - BotStar | Engage Customers Online with Live Chat & Chatbots
Teleme.io - "The easiest way to manage telegram groups. TeleMe's flexible tools are designed for any telegram community. Plan ahead, set bot rules and track member interactions. From anti-spam to daily scheduled tasks tools, we've got you covered".
Telegram bot API - The Bot API allows you to easily create programs that use Telegram messages for an interface.