D3.js - D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Google Charts - Interactive charts for browsers and mobile devices.
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
Plivo - Plivo simplifies your customer engagement.