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.
Fly is a platform for running full stack apps and databases.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Htmx is a JavaScript library for performing AJAX requests, triggering CSS transitions, and invoking WebSocket and server-sent events directly from HTML elements.
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.
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.