Generalist UI Libraries

Make beautiful websites regardless of your design experience. Beautiful, fast and modern React UI library for building accessible and customizable web applications.

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

MUI provides a simple, customizable, and accessible library of React components. Follow your own design system, or start with Material Design.

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.

Create tooltips, popovers, dropdowns, and more. A JavaScript library to position floating elements and create interactions for them.

Start building your app now. An open source component library optimized for fast development, easy maintenance, and accessibility. Just import and go—no configuration required.

A simple, modular and accessible component library that gives you the building blocks you need to build your React applications. Built with Styled System

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

Hilla is a modern framework for Java that integrates a Spring Boot Java backend with a reactive TypeScript frontend. It includes all the UI components and tools you need so you can focus on building your app.

Simple. Fast. Web Components. Lit is a simple library for building fast, lightweight web components. At Lit's core is a boilerplate-killing component base class that provides reactive state, scoped styles, and a declarative template system that's tiny, fast and expressive.

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.

The world’s most popular front-end open source toolkit, featuring Sass variables and mixins, responsive grid system, extensive prebuilt components, and powerful JavaScript plugins.

Pixel perfect mobile UI components built with Tailwind CSS With iOS and Material Design components for React, Vue & Svelte

An enterprise-class UI design language and React UI library with a set of high-quality React components, one of best React UI library for enterprises

Our purpose is to allow web developers to style and extend built-in web UI controls, such as dropdowns, checkboxes, radio buttons, and date/color pickers.

Free themes for Bootstrap.