Avochato - Text messaging for your business.
Gomix - The easiest way to build the app or bot of your dreams
Message Me - Website to create your contact business card
Chatfuel - Chatfuel is the best bot platform for creating an AI chatbot on Facebook.
StackWhats - Add the WhatsApp Live Chat to your website
Octane AI - Octane AI offers tools to create a bot and engage customers and audience via messaging.