D3.js is a JavaScript library for producing dynamic, interactive data visualisations in web browsers.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Journal Systems (OJS) is an open-source software application for managing and publishing scholarly journals.
PHP is a general-purpose scripting language used for web development.
Unpkg is a content delivery network for everything on npm.