PHP Telegram Bot based on the official Telegram Bot API
Telegram Bot API PHP SDK. Lets you build Telegram Bots easily! Supports Laravel out of the box.
Async PHP client/server API for the telegram MTProto protocol
Php bot interface to work with Viber API
PHP MySQL AIML Chatbot - One click installation. Fully loaded admin area to admin your chatbot. Set up multiple chatbots. Foreign language support. XML/JSON responses or just plain HTML. Massive community of users. Twitter Plugins and lots and lots more. Please feel free to fork the DEV branch and contribute. :)
Magento Chatbot Integration with Telegram, Messenger, Whatsapp, WeChat, Skype and wit.ai.
Facebook Messenger Bot PHP API