A declarative, HTML‑based language that makes building web apps fun. Marko is HTML re‑imagined as a language for building dynamic and reactive user interfaces.

Get started with an open-source library of over 600+ UI components, sections, and pages built with the utility classes from Tailwind CSS and designed in Figma.

Tailwind CSS Components Library. Examples, Tailwind themes and Tailwind blocks for fast UI development

A set of beautifully designed components that you can customize, extend, and build on. Start here then make it your own. Open Source. Open Code.

Shoelace provides a collection of professionally designed, every day UI components built on a framework-agnostic technology.

Materialize is a modern responsive CSS framework based on Material Design by Google.

Bourbon is a library of pure Sass mixins and functions that are designed to make you a more efficient style sheet author.

A design element gallery for web designers and web developers. Find snippets using HTML, CSS, Javascript, jQuery, and Bootstrap.

Free themes for Bootstrap.