Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.
fullPage.js a jQuery and vanilla JavaScript plugin for fullscreen scrolling websites.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
Lightbox is small javascript library used to overlay images on top of the current page.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.