Lightspeed - retail and restaurant point-of-sale, ecommerce, and omnichannel solution
Avochato - Text messaging for your business.
Square - Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!
Postscript - Like Mailchimp for SMS
TouchBistro - iPad based Point of Sale solution for restaurants
GetChat.App - Add WhatsApp chat to your website for free