jQuery UI is another option for building HTML and JavaScript-based application interfaces. It's completely open source and has the advantage of being directly compatible with jQuery, jQuery Mobile, ...

Built on top of GitHub’s Electron framework for cross-platform desktop apps, Quark is a general purpose tool that leverages JavaScript, CSS, and HTML.

"The Web is built on HTML, CSS, and JavaScript, so SproutCore is in JavaScript and it leverages the built-in classes of JavaScript.

Whatever your reasons, it’s never been easier to start learning how to build websites from scratch than with help from HTML, CSS, & JavaScript All-in-One For Dummies.

You can also use most any HTML/CSS/JS framework, and Tauri has native support for a slew of popular frameworks: Vue.js, Svelte, React, SolidJS, Angular, Preact, Yew, Leptos, and Sycamore.