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.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
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.
Sucuri is a cybersecurity company that provides website security solutions and services.
Unpkg is a content delivery network for everything on npm.