Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Joomla is a free and open-source content management system for publishing web content.
metisMenu is a collapsible jQuery menu plugin.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.