Apache is a free and open-source cross-platform web server software.
chroma.js is a small-ish zero-dependency JavaScript library for all kinds of color conversions and color scales.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
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.
Laravel is a free, open-source PHP web framework.
Material Design Lite is a library of components for web developers.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.