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

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.

SweetAlert2 is a JavaScript library that provides customisable, visually appealing, and responsive alert and modal dialog boxes for web applications.

DataTables is a plug-in for the jQuery Javascript library adding advanced features like pagination, instant search, themes, and more to any HTML table.

Cloudflare Browser Insights is a tool that measures the performance of websites from the perspective of users.

cdnjs is a free distributed JS library delivery service.

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.

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.

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

Select2 is a jQuery based replacement for select boxes. It supports searching, remote data sets, and infinite scrolling of results.