Open-source css-framework software
806 open-source libraries, tools and applications tagged css-framework, ranked by how closely css-framework is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
806 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Bootstrap Bootstrap is a popular open‑source front‑end toolkit that provides a collection of CSS, HTML, and JavaScript components for building respon… | 73 | 174948 | active |
| shadcn/ui shadcn/ui is an open‑source collection of beautifully designed, accessible UI components built with React, Tailwind CSS and Radix UI. It pr… | 91 | 124711 | 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… | 94 | 99731 | stable |
| mui/material-ui Material UI is an open‑source React component library that implements Google's Material Design. It provides a comprehensive set of pre‑buil… | 95 | 99233 | active |
| Tailwind CSS Tailwind CSS is a utility‑first CSS framework that lets developers build custom user interfaces directly in markup. It scans your HTML and … | 93 | 97749 | active |
| 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 | 82851 | stable |
| Font Awesome Font Awesome is a widely used icon toolkit providing SVG, font, and CSS assets. It offers thousands of icons that can be integrated into we… | 84 | 76960 | active |
| HTML5 Boilerplate HTML5 Boilerplate is a professional front‑end template that provides a solid foundation of HTML, CSS, and JavaScript for building fast, rob… | 67 | 57648 | active |
| Semantic UI Semantic UI is a JavaScript‑based UI component library that provides a large collection of styled elements and behaviors. It emphasizes nat… | 23 | 51021 | active |
| Bulma Bulma is a modern, pure‑CSS framework built on Flexbox that provides ready‑to‑use responsive UI components. It ships as a single CSS file (… | 69 | 50038 | active |
| 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… | 69 | 50038 | stable |
| React Bits React Bits is an open-source collection of 165+ animated, interactive, and fully customizable React components for text animations, backgro… | 68 | 48860 | active |
| ColorlibHQ/AdminLTE AdminLTE is a free, MIT‑licensed admin dashboard template built on Bootstrap 5 with vanilla JavaScript/TypeScript. It provides ready‑made l… | 98 | 45643 | active |
| saadeghi/daisyui daisyUI is a free, open‑source component library that extends Tailwind CSS with ready‑made UI components. It provides semantic class names … | 93 | 42479 | active |
| Tabler UI Tabler is a free, open‑source HTML dashboard UI kit built on Bootstrap 5. It provides a collection of ready‑made components, layouts, and i… | 93 | 41791 | active |
| styled-components styled-components is a CSS‑in‑JS library that lets you write actual CSS syntax inside JavaScript/TypeScript and bind it to React components… | 95 | 41101 | active |
| 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… | 95 | 41101 | active |
| Vuetify Vuetify is a Vue component framework that implements Material Design guidelines. It provides a rich set of ready‑to‑use UI components, them… | 95 | 41032 | active |
| Vuetify Vuetify is a Vue.js component framework implementing Material Design with a large library of prebuilt UI components. It provides theming, l… | 95 | 41032 | stable |
| Chakra UI Chakra UI is an accessible, themeable component library for building React applications. It provides a rich set of UI primitives and stylin… | 92 | 40680 | active |
| heroui-inc/heroui HeroUI is an open‑source React component library built with Tailwind CSS v4 and React Aria. It provides a large set of accessible, customiz… | 94 | 30946 | active |
| Layui Layui is an open-source, MIT-licensed Web UI component library built with vanilla HTML, CSS, and JavaScript, offering a lightweight modular… | 93 | 30578 | active |
| Foundation for Sites Yeti (formerly Foundation for Sites) is a CSS‑first, zero‑build layout and styling framework that provides intent‑based layout primitives, … | 67 | 29798 | active |
| 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 '… | 54 | 29044 | active |
| PostCSS PostCSS is a JavaScript framework for transforming CSS via a plugin ecosystem, parsing stylesheets into an AST that plugins can analyze and… | 96 | 28975 | stable |
| WeUI WeUI is a WeChat-like UI framework officially designed by the WeChat Design Team for WeChat web development. It provides standardized mobil… | 68 | 27437 | stable |
| 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… | 64 | 24255 | active |
| Pure CSS Pure is a lightweight set of responsive CSS modules that provide a solid base, grid system, and common UI components. It is designed to be … | 49 | 23723 | active |
| Pure CSS Pure is a set of small, responsive CSS modules providing a minimalist foundation for web projects, including grids, forms, buttons, tables,… | 49 | 23723 | 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 … | 96 | 22224 | 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… | 49 | 22135 | 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 … | 92 | 22090 | 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… | 66 | 21673 | stable |
| chokcoco/iCSS iCSS is a curated collection of advanced CSS techniques, effects, and animations. It provides examples and explanations for a wide range of… | 61 | 20657 | active |
| Fluent UI Fluent UI is a Microsoft‑maintained collection of React components, utilities, and Web Components that implement the Fluent design system. … | 95 | 20319 | active |
| Fluent UI Fluent UI web is Microsoft's collection of React components, utilities, and Web Components implementing the Fluent design system for buildi… | 95 | 20319 | stable |
| unocss/unocss UnoCSS is an instant on-demand atomic CSS engine written in TypeScript. It generates utility classes at build time or in the browser withou… | 93 | 18972 | active |
| UIkit UIkit is a lightweight, modular front‑end framework that provides a collection of CSS and JavaScript components for building fast, responsi… | 97 | 18538 | active |
| UIkit UIkit is a lightweight, modular CSS and JavaScript front-end framework for building fast web interfaces. It provides a large set of compone… | 97 | 18538 | active |
| 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 | 18038 | stable |
| emotion Emotion is a high-performance CSS-in-JS library for writing CSS styles with JavaScript, supporting both string and object styles with predi… | 78 | 18019 | stable |
| Less Less.js is the official JavaScript compiler for Less, a backwards-compatible dynamic stylesheet language that extends CSS with variables, m… | 93 | 17018 | stable |
| Pico CSS Pico CSS is a minimal, lightweight CSS framework that styles semantic HTML elements directly, requiring almost no classes or JavaScript. It… | 67 | 16865 | 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,… | 67 | 14751 | 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 | 14246 | active |
| facebook/astryx Astryx is an open source React design system from Meta offering 150+ accessible components, CSS-custom-property theming, dark mode, templat… | 84 | 13694 | 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… | 28 | 13336 | 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 … | 52 | 13167 | 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… | 100 | 12479 | 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… | 96 | 12351 | 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… | 75 | 12238 | 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… | 91 | 12058 | 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… | 37 | 11542 | 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… | 27 | 11334 | stable |
| MudBlazor MudBlazor is a Material Design component library for Blazor, written entirely in C# with minimal JavaScript. It provides a large set of UI … | 98 | 10637 | active |
| 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. … | 62 | 10453 | active |
| 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 | 53520 | 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 | 10435 | stable |
| facebook/stylex StyleX is a JavaScript styling system and compiler from Meta that generates optimized, collision-free atomic CSS at build time. It combines… | 98 | 10413 | active |
| 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… | 88 | 10287 | active |
| 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 | 10052 | 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 | 9987 | 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… | 95 | 9537 | 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 … | 94 | 9511 | 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… | 83 | 9364 | 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… | 74 | 9231 | 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… | 97 | 9190 | active |
| Webstudio Webstudio is an open-source visual website builder and Webflow alternative that gives developers and designers full control over CSS, HTML,… | 95 | 9081 | active |
| github-markdown-css A CSS stylesheet that replicates GitHub's Markdown rendering style with minimal code. It provides seven themes including automatic light/da… | 73 | 8936 | stable |
| 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… | 58 | 8721 | active |
| React Suite React Suite (rsuite) is a comprehensive React UI component library with 80+ enterprise-grade components covering forms, data display, navig… | 99 | 8696 | 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 … | 83 | 8680 | 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 | 8426 | stable |
| 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… | 40 | 8119 | active |
| 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… | 96 | 8097 | active |
| 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,… | 74 | 8051 | stable |
| 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… | 52 | 8024 | 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,… | 63 | 38787 | 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-… | 58 | 7775 | stable |
| styled-components polished is a lightweight JavaScript library of Sass-style helper functions, mixins, and color utilities for writing styles in JavaScript. … | 52 | 7665 | 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… | 66 | 7419 | stable |
| WebStackPage WebStack is an open-source, responsive static bookmark/navigation website template built on Bootstrap, designed for creating personal or te… | 32 | 7357 | active |
| React95 React95 is a React component library that recreates the Windows 95 user interface aesthetic using styled-components. It provides themed, re… | 23 | 7270 | active |
| U.S. Web Design System The United States Web Design System (USWDS) is a library of open source UI components, design tokens, utilities, and a visual style guide f… | 91 | 7210 | 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 | 7137 | 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… | 62 | 7083 | 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 … | 97 | 6952 | stable |
| 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… | 68 | 6903 | 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… | 52 | 6875 | active |
| 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. … | 55 | 32185 | maintenance |
| Heti Heti is a CSS/SCSS stylesheet library that enhances Chinese web typography according to common Chinese typesetting conventions (CLREQ). It … | 46 | 6732 | 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… | 53 | 6584 | active |
| htmlstreamofficial/preline Preline UI is an open-source Tailwind CSS component library offering prebuilt UI components, blocks, templates, and headless JavaScript plu… | 94 | 6491 | active |
| Elastic UI Framework (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 | 6370 | stable |
| Foundation for Sites Foundation for Sites is a responsive front-end framework providing HTML, CSS (Sass), and JavaScript components for building websites and ap… | 67 | 29798 | maintenance |
| 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 | 29407 | 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… | 95 | 6217 | active |
| Fontsource Fontsource is a monorepo of open-source fonts packaged into individual NPM packages for self-hosting in web applications. It bundles over 2… | 99 | 6195 | 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… | 50 | 6169 | 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 | 6091 | active |
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