D3 based reusable chart library
Debian is a Linux software which is a free open-source software.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
PHP is a general-purpose scripting language used for web development.
phpBB is a free open-source Internet forum package in the PHP scripting language.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.