Google Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Popper is a positioning engine, its purpose is to calculate the position of an element to make it possible to position it near a given reference element.

jQuery CDN is a way to include jQuery in your website without actually downloading and keeping it your website's folder.

OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.

jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.

cdnjs is a free distributed JS library delivery service.

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.

Magnific Popup is a responsive lightbox & dialog script with focus on performance and providing best experience for user with any device.

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.

reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.

Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Varnish is a reverse caching proxy.