A simple jQuery plugin that allows you to add a dynamically-resized, slideshow-capable background image to any page or element.
Django is a Python-based free and open-source web application framework.
Headroom.js is a JS widget that allows you to react to the user's scroll. The header slides out of view when scrolling down and slides back in when scrolling up.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.