D3.js is a JavaScript library for producing dynamic, interactive data visualisations in web browsers.
A multi-dimensional charting library built to work natively with crossfilter and rendered using d3.js
Google Analytics is a free web analytics service that tracks and reports website traffic.
Screenshots with JavaScript.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.