AWeber - AWeber is an Email marketing software that's easy to use. Send email newsletters & autoresponders and deliver top notch emails.
Cliengo - Cliengo is a Chatbot platform that converts the website visitors into qualified leads.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.
Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.
tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page