UI frameworks

Bootstrap

2.2M sites

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.

Tailwind CSS

690.6K sitesOpen source

Tailwind is a utility-first CSS framework for rapidly building custom user interfaces.

Used byCal.com,Creditas,Documenso,Dub+3

Animate.css

352.4K sitesOpen source

Animate.css is a ready-to-use library collection of CSS3 animation effects.

Radix UI

177K sitesOpen source

Radix UI is a React-based user interface component library that offers accessible, responsive, and customisable components for building web applications.

ZURB Foundation

129.7K sites

Zurb Foundation is used to prototype in the browser. Allows rapid creation of websites or applications while leveraging mobile and responsive technology. The front end framework is the collection of HTML, CSS, and Javascript containing design patterns.

shadcn/ui

115.7K sitesOpen source

shadcn/ui is a component system built with Radix UI and Tailwind CSS.

Used byCreditas,Documenso

Element UI

87K sitesOpen source

Element UI is an open-source component library specifically designed for Vue.js, offering a collection of pre-designed UI components such as buttons, forms, tables, and modals.

UIKit

77.4K sites

UIKit is the framework used for developing iOS applications.

MUI

65K sitesSaaSOpen sourceFreemium · Pay as you go

MUI(formerly Material UI) is a simple and customisable component library to build faster, beautiful, and more accessible React applications.

Material Design Lite

31.5K sites

Material Design Lite is a library of components for web developers.

Vuetify

21.8K sitesOpen source

Vuetify is a reusable semantic component framework for Vue.js that aims to provide clean, semantic and reusable components.

Headless UI

21.7K sitesOpen source

Headless UI is an unstyled component library for either React.js or Vue.js from the same people that created Tailwind CSS.

Ant Design

20.6K sitesOpen source

Ant Design is a UI library that can be used with data flow solutions and application frameworks in any React ecosystem.

Kendo UI

14K sitesOpen source

Kendo UI is a HTML5 user interface framework for building interactive and high-performance websites and applications.

CivicTheme

11.5K sitesOpen source

CivicTheme is an open source, inclusive and component-based design system. It was created so governments and corporations can rapidly assemble modern, consistent and compliant digital experiences.

SvelteKit

10.3K sitesOpen source

SvelteKit is the official Svelte framework for building web applications with a flexible filesystem-based routing.

Base UI

9.3K sitesSaaS

Base UI is an unstyled React component library that provides accessible, high-performance building blocks for creating user interfaces, emphasizing accessibility, performance, and developer experience.

Chakra UI

9.1K sitesOpen source

Chakra UI is a simple, modular and accessible component library that gives you the building blocks you need to build your React applications.

W3.CSS

5.9K sitesOpen source

W3.CSS is a CSS framework developed by the World Wide Web Consortium (W3C), the main international standards organisation for the World Wide Web.

Pure CSS

5.7K sites

Pure CSS is a set of small, responsive CSS modules that can be used in web projects.

UnoCSS

5.6K sitesOpen source

UnoCSS is instant on-demand Atomic CSS engine.

Semantic UI

5.6K sites

Semantic UI is a front-end development framework, powered by LESS and jQuery.

Flutter

5.5K sitesOpen source

Flutter is an open source framework by Google for building beautiful, natively compiled, multi-platform applications from a single codebase.

Used byiFood,Nubank,QuintoAndar

Materialize CSS

5K sitesOpen source

Materialize CSS is a front-end framework that helps developers create responsive and mobile-first web applications. It is based on Google's Material Design guidelines.

MDBootstrap

4.9K sitesOpen source

MDBootstrap (Material Design for Bootstrap) is a complete UI package that can be integrated with other frameworks such as Angular, React, Vue, etc. It is used to design a fully responsive and mobile-friendly layout using various components, plugins, animation.

Angular Material

4.6K sites

Angular Material is a UI component library for Angular JS developers. Angular Material components assist in constructing attractive, consistent, and functional web pages and web applications.

Layui

4.5K sitesOpen source

Layui is an open-source modular front-end UI component library.

Panda CSS

4.4K sitesOpen source

Panda is a styling engine that generates styling primitives to author atomic CSS and recipes in a type-safe and readable manner.

Aura

3.4K sitesOpen source

Aura is an open-source UI framework built by Salesforce for developing dynamic web apps for mobile and desktop devices.

Automatic.css

3.3K sites$ · Subscription

Automatic.css is a CSS framework for WordPress page builders.

Bulma

2.2K sitesOpen source

Bulma is a free class-based framework for CSS.

Marko

2.1K sitesOpen source

Marko is HTML re-imagined as a language for building dynamic and reactive user interfaces.

Naive UI

1.8K sitesOpen source

Naive UI is a Vue.js UI library written in TypeScript, offering more than 80 treeshakable components.

Flowbite

1.2K sitesOpen source

Flowbite is an open-source library of UI components based on the utility-first Tailwind CSS framework featuring dark mode support, a Figma design system, and more.

USWDS

1.2K sitesOpen source

USWDS is a design system for the federal government.

Vant

984 sitesOpen source

Vant is a lightweight, customisable Vue UI library for mobile web apps.

Mantine

937 sitesOpen source

Mantine is an open-source UI framework and component library for React.

Sprig plugin

863 sites

Sprig is a free plugin for Craft CMS that allows you to create reactive components from Twig templates ​or PHP classes.

CoreUI

390 sitesSaaS$$ · Subscription

CoreUI provides cloud hosting, web and mobile design, animations, wireframes, and UX testing services.

Preline UI

369 sitesOpen source

Preline UI is an open-source set of prebuilt UI components based on the utility-first Tailwind CSS framework.

OpenUI5

343 sitesOpen source

OpenUI5 is a JavaScript UI Framework released by SAP under the Apache 2.0 license.

Tachyons

333 sitesOpen source

Tachyons is a functional CSS framework.

TDesign

234 sites

TDesign launched by Tencent contains rich and reusable design component resources, such as color system, text system, motion design, etc.

daisyUI

212 sitesOpen source

daisyUI is a customisable Tailwind CSS component library that prevents verbose markup in frontend applications. With a focus on customising and creating themes for user interfaces, daisyUI uses pure CSS and Tailwind utility classes, allowing developers to write clean HTML.

Pico CSS

193 sitesOpen source

Pico CSS is a minimal CSS framework for semantic HTML, without using classes.