WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
SendPulse - Maximizing e-mail marketing open rates automatically
StackWhats - Add the WhatsApp Live Chat to your website
Botsify - Ever wonder if you could replace your live chat support system with a chatbot?. Its possible now with Botsify Chatbot For Website.
Hilos - Effortlessly manage your marketing and support through WhatsApp.
Callbell - Callbell is a software as a service platform for customer communication via Direct Messaging Apps