Apache is a free and open-source cross-platform web server software.
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.
Campaign Monitor is a global technology company that provides an email marketing platform.
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.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
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.