D3.js is a JavaScript library for producing dynamic, interactive data visualisations in web browsers.
Django is a Python-based free and open-source web application framework.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
NVD3 is a JavaScript visualisation library that is a free open-source tool.
YUI is a JavaScript and CSS library with more than 30 unique components including low-level DOM utilities and high-level user-interface widgets.