function: css-framework
796 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Bootstrap Bootstrap is the most popular HTML, CSS, and JavaScript framework for building responsive, mobile-first websites and web applications. It p… | 76 | 174656 | stable |
| shadcn/ui shadcn/ui is a collection of beautifully designed, accessible React UI components distributed as source code you copy into your project rat… | 94 | 122212 | stable |
| nextlevelbuilder/ui-ux-pro-max-skill An AI skill (installable into coding agents like Claude Code, Cursor, Windsurf, and Copilot) that provides design intelligence for building… | 82 | 121366 | active |
| Ant Design Ant Design is an enterprise-class UI design language and a comprehensive React component library written in TypeScript. It provides a large… | 95 | 99208 | stable |
| mui/material-ui Material UI is a comprehensive open-source React component library implementing Google's Material Design, MIT-licensed and production-ready… | 94 | 98940 | stable |
| Tailwind CSS Tailwind CSS is a utility-first CSS framework for rapidly building custom user interfaces directly in markup. It provides low-level utility… | 96 | 97339 | stable |
| animate-css/animate.css Animate.css is a cross-browser CSS library providing dozens of ready-made animation classes like fades, bounces, and attention seekers. Dev… | 23 | 82753 | stable |
| Font Awesome Font Awesome is the Internet's most popular icon library and toolkit, providing thousands of icons as SVGs, web fonts, and CSS. It ships fr… | 90 | 76876 | stable |
| jgthms/bulma Bulma is a free, open-source modern CSS framework based on Flexbox and CSS Grid, providing ready-to-use frontend components via a single CS… | 57 | 50060 | stable |
| DavidHDev/react-bits React Bits is an open-source collection of 165+ animated, interactive, and fully customizable React components for text animations, backgro… | 68 | 46215 | active |
| ColorlibHQ/AdminLTE AdminLTE is the most popular free open-source admin dashboard template, built on Bootstrap 5.3 with vanilla JavaScript and no jQuery depend… | 99 | 45556 | stable |
| saadeghi/daisyui daisyUI is a free, open-source component library for Tailwind CSS that adds semantic class names like btn, card, and toggle on top of Tailw… | 95 | 42205 | stable |
| Tabler Tabler is a free and open-source HTML dashboard UI kit and admin template built on Bootstrap 5, offering 150+ responsive components, multip… | 74 | 41565 | active |
| styled-components/styled-components styled-components is a CSS-in-JS library for React that lets you write actual CSS in tagged template literals attached to components. It su… | 98 | 41123 | active |
| vuetifyjs/vuetify Vuetify is a Vue.js component framework implementing Material Design with a large library of prebuilt UI components. It provides theming, l… | 95 | 41034 | stable |
| Chakra UI Chakra UI is an accessible React component library and design system for building web applications quickly, with semantic tokens, styling r… | 93 | 40597 | stable |
| Layui Layui is an open-source, MIT-licensed Web UI component library built with vanilla HTML, CSS, and JavaScript, offering a lightweight modular… | 98 | 30575 | active |
| heroui-inc/heroui HeroUI (formerly NextUI) is an open-source React UI component library built on Tailwind CSS v4 and React Aria Components, offering accessib… | 94 | 30464 | active |
| postcss/postcss PostCSS is a JavaScript framework for transforming CSS via a plugin ecosystem, parsing stylesheets into an AST that plugins can analyze and… | 98 | 28983 | stable |
| Element Plus Element Plus is a Vue.js 3 UI component library written in TypeScript, offering a comprehensive set of ready-made components for building w… | 99 | 27716 | stable |
| WeUI WeUI is a WeChat-like UI framework officially designed by the WeChat Design Team for WeChat web development. It provides standardized mobil… | 74 | 27412 | stable |
| Nutlope/hallmark Hallmark is a design skill/plugin for AI coding assistants like Claude Code, Cursor, and Codex that generates web UI which avoids generic '… | 57 | 27188 | active |
| mdbootstrap/mdb-ui-kit MDB UI Kit is a Material Design component library built on Bootstrap 5 with plain vanilla JavaScript, offering 700+ components such as moda… | 70 | 24254 | active |
| pure-css/pure Pure is a set of small, responsive CSS modules providing a minimalist foundation for web projects, including grids, forms, buttons, tables,… | 53 | 23724 | stable |
| postcss/autoprefixer Autoprefixer is a PostCSS plugin that parses CSS and automatically adds vendor prefixes to CSS rules using browser support data from Can I … | 95 | 22236 | stable |
| necolas/react-native-web React Native for Web is an accessible implementation of React Native's Components and APIs that runs on the web and interoperates with Reac… | 55 | 22143 | stable |
| palantir/blueprint Blueprint is a React-based UI toolkit optimized for building complex, data-dense desktop web interfaces. It ships as multiple npm packages … | 94 | 22012 | stable |
| vueComponent/ant-design-vue Ant Design Vue is an enterprise-class UI component library that ports the Ant Design design system to Vue 2 and Vue 3. It provides a compre… | 74 | 21633 | stable |
| ColorlibHQ/gentelella Gentelella is a free, MIT-licensed admin dashboard HTML template built with vanilla JavaScript, SCSS, and Vite 8, with no Bootstrap or jQue… | 94 | 21495 | active |
| microsoft/fluentui Fluent UI web is Microsoft's collection of React components, utilities, and Web Components implementing the Fluent design system for buildi… | 90 | 20230 | stable |
| unocss/unocss UnoCSS is an instant on-demand atomic CSS engine that generates utility CSS classes as they are used, with no core utilities - all function… | 95 | 18942 | active |
| uikit/uikit UIkit is a lightweight, modular CSS and JavaScript front-end framework for building fast web interfaces. It provides a large set of compone… | 98 | 18531 | active |
| emotion-js/emotion Emotion is a high-performance CSS-in-JS library for writing CSS styles with JavaScript, supporting both string and object styles with predi… | 84 | 18016 | stable |
| CSS Modules CSS Modules is a specification and tooling ecosystem for CSS files in which all class and animation names are locally scoped by default, co… | 32 | 17967 | stable |
| less/less.js Less.js is the official JavaScript compiler for Less, a backwards-compatible dynamic stylesheet language that extends CSS with variables, m… | 93 | 17029 | stable |
| picocss/pico Pico CSS is a minimal, lightweight CSS framework that styles semantic HTML elements directly, requiring almost no classes or JavaScript. It… | 70 | 16815 | stable |
| thomaspark/bootswatch Bootswatch is a collection of free, open-source themes for the Bootstrap CSS framework, available as pre-compiled CSS, Sass files, via CDN,… | 71 | 14749 | stable |
| tamagui/tamagui Tamagui is a TypeScript framework for styling React apps with full parity between React web and React Native, comprising a style library (@… | 95 | 14155 | active |
| mdbootstrap/TW-Elements TW Elements is a free, MIT-licensed collection of 500+ interactive UI components, design blocks, and templates built on Tailwind CSS, with … | 56 | 13158 | active |
| facebook/astryx Astryx is an open source React design system from Meta offering 150+ accessible components, CSS-custom-property theming, dark mode, templat… | 82 | 12469 | active |
| lipis/flag-icons A curated collection of all country flags as SVG images with accompanying CSS for easy integration into web projects. Flags are available i… | 75 | 12357 | stable |
| callstack/linaria Linaria is a zero-runtime CSS-in-JS library that extracts CSS to real stylesheet files at build time. It offers familiar CSS syntax with Sa… | 98 | 12345 | active |
| CoreUI Free Admin Template CoreUI Free Admin Template is an open-source Bootstrap 5 admin dashboard template available in Bootstrap, React, Vue, and Angular versions.… | 89 | 12242 | active |
| markmead/hyperui HyperUI is a free, open-source collection of Tailwind CSS v4 components for marketing sites, web apps, and eCommerce projects. Components a… | 79 | 12211 | active |
| uiverse-io/galaxy Galaxy is the GitHub archive of Uiverse.io, a community-built open-source library of over 3000 UI elements made with CSS or Tailwind. Eleme… | 27 | 12190 | active |
| ant-design/ant-design-mobile Ant Design Mobile is a React component library providing essential UI blocks for building mobile web applications. It offers optimized, cus… | 86 | 12041 | stable |
| jdan/98.css 98.css is a CSS-only design system that styles semantic HTML to look like the classic Windows 98 user interface. It ships no JavaScript, ma… | 41 | 11461 | stable |
| stylus/stylus Stylus is an expressive, feature-rich CSS preprocessor language built for Node.js, supporting both an indented syntax and regular CSS style… | 31 | 11331 | stable |
| MudBlazor/MudBlazor MudBlazor is a Material Design component library for Blazor, written entirely in C# with minimal JavaScript. It provides a large set of UI … | 99 | 10561 | active |
| Element Element UI is a Vue.js 2.0 component library providing a comprehensive set of web UI widgets such as tables, forms, dialogs, and navigation… | 23 | 54059 | maintenance |
| necolas/normalize.css normalize.css is a small CSS stylesheet that makes browsers render HTML elements more consistently and in line with modern standards. It is… | 32 | 53518 | maintenance |
| vanilla-extract-css/vanilla-extract vanilla-extract is a zero-runtime CSS-in-TypeScript library that lets you write locally scoped styles, CSS variables, and themes in .css.ts… | 94 | 10413 | stable |
| jnsahaj/tweakcn tweakcn is a visual no-code theme editor for shadcn/ui and Tailwind CSS, letting users customize component themes through a web interface. … | 64 | 10315 | active |
| addyosmani/critical A Node.js tool that extracts above-the-fold (critical-path) CSS from HTML pages, inlines it into the document head, and asynchronously load… | 81 | 10265 | active |
| Semantic UI Semantic UI is a CSS/JS UI component framework offering 50+ elements with deep theming via 3000+ CSS variables and LESS-based variable inhe… | 23 | 51027 | maintenance |
| astrit/css.gg css.gg is an open-source icon library offering 700+ pure CSS and SVG UI icons, plus a collection of 6000+ glyphs available via the companio… | 23 | 10037 | active |
| StylishThemes/GitHub-Dark A dark theme userstyle (user.css) for the GitHub website, applied via the Stylus browser extension. It restyles GitHub's interface with a d… | 77 | 9967 | active |
| facebook/stylex StyleX is a JavaScript styling system and compiler from Meta that generates optimized, collision-free atomic CSS at build time. It combines… | 87 | 9912 | active |
| buefy/buefy Buefy is a lightweight library of responsive UI components for Vue.js 3 based on the Bulma CSS framework. It provides semantic, accessible … | 98 | 9520 | active |
| Carbon Design System Carbon is IBM's open-source design system providing React and web component libraries, Sass styles, design tokens, icons, and pictograms fo… | 94 | 9385 | active |
| Flowbite Flowbite is an open-source UI component library built on top of Tailwind CSS, providing interactive web components, themes, icons, and a Fi… | 89 | 9324 | active |
| NodeGUI NodeGui is an open-source library for building cross-platform native desktop applications with Node.js and CSS-like styling, powered by Qt6… | 80 | 9226 | active |
| huntabyte/shadcn-svelte A community-led Svelte port of shadcn/ui providing accessible, customizable UI components that you copy into your app via a CLI, built on b… | 95 | 9061 | active |
| sindresorhus/github-markdown-css A CSS stylesheet that replicates GitHub's Markdown rendering style with minimal code. It provides seven themes including automatic light/da… | 70 | 8920 | stable |
| webstudio-is/webstudio Webstudio is an open-source visual website builder and Webflow alternative that gives developers and designers full control over CSS, HTML,… | 95 | 8867 | active |
| rsuite/rsuite React Suite (rsuite) is a comprehensive React UI component library with 80+ enterprise-grade components covering forms, data display, navig… | 98 | 8695 | active |
| radix-ui/themes Radix Themes is an open-source React component library with pre-styled, accessible components that work out of the box with minimal configu… | 63 | 8648 | active |
| founded-labs/react-native-reusables React Native Reusables brings the shadcn/ui component collection to React Native, built on Nativewind and Radix UI primitives. It provides … | 81 | 8622 | active |
| chinchang/hint.css Hint.css is a pure CSS tooltip library that creates accessible tooltips using aria-label/data attributes, pseudo elements, and CSS3 transit… | 23 | 8433 | stable |
| nativewind/nativewind NativeWind is a styling library that brings the Tailwind CSS utility-first workflow to React Native and React Native Web applications. It c… | 93 | 8063 | active |
| codewithsadee/vcard-personal-portfolio A fully responsive personal portfolio website template built with HTML, CSS, and JavaScript. It presents a vCard-style personal site with a… | 44 | 8063 | active |
| FullHuman/purgecss PurgeCSS is a tool that removes unused CSS selectors by analyzing content files and matching them against CSS selectors. It ships as a CLI,… | 76 | 8047 | stable |
| ben-rogerson/twin.macro Twin.macro is a Babel macro that compiles Tailwind CSS classes into CSS-in-JS objects at build time, supporting libraries like emotion, sty… | 56 | 8027 | active |
| Dogfalo/materialize Materialize is a responsive front-end CSS framework based on Google's Material Design language, shipped with compiled CSS/JS, Sass sources,… | 67 | 38813 | maintenance |
| vercel/styled-jsx styled-jsx is a Babel-based CSS-in-JS library that provides full, scoped CSS support inside JSX components, with dynamic styles and server-… | 62 | 7777 | stable |
| styled-components/polished polished is a lightweight JavaScript library of Sass-style helper functions, mixins, and color utilities for writing styles in JavaScript. … | 56 | 7663 | stable |
| sindresorhus/modern-normalize A small CSS library that normalizes browsers' default styles, a modernized alternative to normalize.css targeting only the latest Chrome, F… | 63 | 7388 | stable |
| WebStackPage/WebStackPage.github.io WebStack is an open-source, responsive static bookmark/navigation website template built on Bootstrap, designed for creating personal or te… | 32 | 7325 | active |
| react95-io/React95 React95 is a React component library that recreates the Windows 95 user interface aesthetic using styled-components. It provides themed, re… | 23 | 7262 | active |
| uswds/uswds The United States Web Design System (USWDS) is a library of open source UI components, design tokens, utilities, and a visual style guide f… | 95 | 7161 | active |
| tailwindlabs/prettier-plugin-tailwindcss An official Prettier plugin from Tailwind Labs that automatically sorts Tailwind CSS utility classes according to the recommended class ord… | 90 | 7130 | active |
| olton/metroui Metro UI is a progressive, HTML-first front-end framework and component library in Windows Metro style, offering 150+ components, 900+ icon… | 68 | 7080 | active |
| joe-bell/cva Class Variance Authority (cva) is a tiny TypeScript library for building type-safe, variant-driven class names for UI components, with firs… | 67 | 6880 | stable |
| kristopolous/BOOTSTRA.386 BOOTSTRA.386 is a Twitter Bootstrap theme (supporting Bootstrap v2 through v5) that styles webpages to look like 1980s DOS-era graphical in… | 55 | 6877 | active |
| nuxt/ui Nuxt UI is a comprehensive Vue UI component library offering 125+ accessible, Tailwind CSS-styled components built on Reka UI and Tailwind … | 99 | 6860 | stable |
| google/material-design-lite Material Design Lite is a Google implementation of Material Design components in vanilla CSS, JS, and HTML with no framework dependencies. … | 59 | 32190 | maintenance |
| sivan/heti Heti is a CSS/SCSS stylesheet library that enhances Chinese web typography according to common Chinese typesetting conventions (CLREQ). It … | 50 | 6721 | stable |
| ChartsCSS/charts.css Charts.css is an open source CSS framework for data visualization that turns semantic HTML tables into charts using utility CSS classes and… | 57 | 6581 | active |
| htmlstreamofficial/preline Preline UI is an open-source Tailwind CSS component library offering prebuilt UI components, blocks, templates, and headless JavaScript plu… | 93 | 6396 | active |
| foundation/foundation-sites Foundation for Sites is a responsive front-end framework providing HTML, CSS (Sass), and JavaScript components for building websites and ap… | 24 | 29784 | maintenance |
| elastic/eui The Elastic UI Framework (EUI) is a collection of typed React UI components, themes, and style utilities for building web interfaces with E… | 95 | 6344 | stable |
| IanLunn/Hover Hover.css is a collection of CSS3-powered hover effects for links, buttons, logos, SVG, and featured images, available in CSS, Sass, and LE… | 23 | 29395 | maintenance |
| chakra-ui/panda Panda is a universal, type-safe CSS-in-JS styling engine that generates atomic CSS at build time via static analysis of your JavaScript/Typ… | 94 | 6163 | active |
| adamgiebl/neumorphism Neumorphism.io is a web-based CSS code generator for the Neumorphism/Soft UI design trend, built with React. It lets designers and develope… | 54 | 6139 | active |
| creativetimofficial/david-ai David AI (formerly tailwind-starter-kit) is a free, open-source library of 300+ customizable, production-ready UI components built with Tai… | 34 | 6096 | active |
| fontsource/fontsource Fontsource is a monorepo of open-source fonts packaged into individual NPM packages for self-hosting in web applications. It bundles over 2… | 98 | 6086 | active |
| spicetify/spicetify-themes A community-maintained collection of CSS themes for customizing the Spotify desktop client via the Spicetify CLI. It includes multiple them… | 74 | 6054 | active |
| skeletonlabs/skeleton Skeleton is an adaptive design system built on Tailwind CSS, providing themes, design tokens, utility classes, and turnkey UI components fo… | 95 | 6048 | active |
| creativetimofficial/material-kit Material Kit is a free, MIT-licensed Bootstrap 5 UI Kit from Creative Tim inspired by Google's Material Design, offering 60+ styled compone… | 23 | 5924 | active |
| dcastil/tailwind-merge A TypeScript utility function that merges Tailwind CSS class strings while resolving style conflicts, keeping the last conflicting class. I… | 94 | 5678 | stable |
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