cdnjs is a free distributed JS library delivery service.
Craft CMS is a content management system for building bespoke websites.
GSAP is an animation library that allows you to create animations with JavaScript.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Unpkg is a content delivery network for everything on npm.