Regpack is an online payment software that allows businesses to collect and manage client data and payments from a secure back end dashboard. Email communication, integrated payments, recurring billing, reporting, and analytics are built-in. Regpack makes it easy to manage and charge clients securely with your team and embeds on your website for a seamless process.
Eventzilla - Eventzilla lets you sell tickets online and manage attendees from one integrated application.
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.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
Chart.js - Easy, object oriented client side graphs for designers and developers.
Ticket Tailor - Ticket Tailor is an easy-to-use event ticketing platform that allows event organizers of all shapes and sizes to sell tickets online.
Google Charts - Interactive charts for browsers and mobile devices.