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.
cdnjs is a free distributed JS library delivery service.
Font Awesome is a font and icon toolkit based on CSS and Less.
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.
LiteSpeed is a high-scalability web server.
MDBootstrap (Material Design for Bootstrap) is a complete UI package that can be integrated with other frameworks such as Angular, React, Vue, etc. It is used to design a fully responsive and mobile-friendly layout using various components, plugins, animation.
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.
Unpkg is a content delivery network for everything on npm.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.