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.
MySQL - The world's most popular open source database
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Chart.js - Easy, object oriented client side graphs for designers and developers.
SQLite - SQLite Home Page