cdnjs is a free distributed JS library delivery service.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
Modernizr is a JavaScript library that detects the features available in a user's browser.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
ShareThis provides free engagement and growth tools (e.g., share buttons, follow buttons, and reaction buttons) for site owners.
Reveal CSS animation as you scroll down a page.