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 |
|---|---|---|---|
| TailGrids/tailgrids Tailgrids is an open-source React UI component library built on Tailwind CSS, offering 100+ production-ready, accessible, customizable comp… | 91 | 1644 | active |
| typicode/mistcss MistCSS is a styling tool that lets you create reusable React visual components using only native HTML data-attributes and CSS, with no Jav… | 54 | 1643 | active |
| moesaid/cleopatra Cleopatra is a production-ready admin dashboard template built with Tailwind CSS v4, Vite, and vanilla JavaScript. It ships with four dashb… | 57 | 1637 | active |
| PKM-er/Blue-Topaz_Obsidian-css Blue Topaz is a popular blue CSS theme for the Obsidian note-taking app, with extensive customization via the Style Settings plugin. It shi… | 63 | 1630 | active |
| postcss-modules A PostCSS plugin that implements CSS Modules, transforming class names into scoped hashed tokens and exporting a JSON map of the original-t… | 70 | 1624 | stable |
| Basscss Basscss is a low-level CSS toolkit and the original functional/atomic CSS library, providing a lightweight collection of immutable utility … | 23 | 5898 | maintenance |
| neobrutalism/neobrutalism Neobrutalism (formerly RetroUI) is an open-source React + TailwindCSS component library styled in the neobrutalist design aesthetic — thick… | 76 | 1600 | active |
| tkashkin/Adwaita-for-Steam A CSS-based skin that makes the Steam client look like a native GNOME/Adwaita application. It patches Steam's interface files and offers ma… | 73 | 1597 | active |
| JetBrains/kotlin-wrappers A collection of official JetBrains Kotlin wrappers providing type-safe APIs for popular JavaScript libraries such as React, styled-componen… | 95 | 1596 | active |
| rails/tailwindcss-rails A Ruby gem that integrates the Tailwind CSS utility-first framework into Rails applications, bundling the standalone tailwindcss executable… | 92 | 1587 | active |
| angular/flex-layout Angular Flex-Layout is a TypeScript library providing a declarative Flexbox-based layout API and a responsive engine with mediaQuery observ… | 10 | 5820 | maintenance |
| r-u-s-h-i-k-e-s-h/Obsidian-CSS-Snippets A community-maintained collection of CSS snippets for customizing the Obsidian note-taking app's interface. Users copy individual snippets … | 66 | 1578 | active |
| seek-oss/braid-design-system Braid is a themeable React component design system built for the SEEK Group, using CSS variables via vanilla-extract for cross-brand themin… | 96 | 1572 | active |
| internet-development/www-sacred SRCL (Sacred) is an open-source React component and style repository for building web apps, desktop apps, and static sites with a terminal/… | 66 | 1567 | active |
| jenil/chota Chota is a micro CSS framework weighing only ~3kb (minified + gzipped) that provides semantic base styles, a 12-column grid, and a handful … | 67 | 1550 | stable |
| dlmanning/gulp-sass A Gulp plugin that compiles Sass/SCSS into CSS within Gulp build pipelines, supporting Dart Sass, Embedded Sass, and the deprecated Node Sa… | 26 | 1549 | active |
| acss-io/atomizer Atomizer is a tool and library for creating Atomic CSS, generating a static stylesheet from single-purpose utility classes like D(f) used i… | 53 | 1548 | active |
| pratikborsadiya/vali-admin Vali Admin is a free, open-source admin dashboard theme built with Bootstrap 5, SASS, and Pug.js. It ships with seven pre-built pages inclu… | 23 | 1548 | stable |
| stefan-karger/solid-ui SolidUI is a collection of beautifully designed, accessible, copy-and-paste UI components for SolidJS, ported from shadcn/ui and tremor-raw… | 55 | 1544 | active |
| varadbhogayata/varadbhogayata.github.io A responsive personal portfolio website template for software developers built with plain HTML5, CSS3, and JavaScript. It includes sections… | 32 | 1540 | stable |
| Vuesax Vuesax is a framework of UI components for Vue.js 2, designed to be incrementally adoptable with independently customizable colors, shapes,… | 23 | 5574 | maintenance |
| midudev/tailwind-animations A Tailwind CSS plugin providing 79+ ready-to-use animation utility classes like fade-in, slide-in, and scroll masks, with zero config and p… | 69 | 1527 | stable |
| Unicons Unicons is a free collection of 7000+ pixel-perfect vector icons from IconScout, distributed as SVGs, icon fonts, CSS, and npm packages. It… | 49 | 1522 | active |
| jquery-ui-bootstrap/jquery-ui-bootstrap A jQuery UI theme styled after Twitter Bootstrap, allowing jQuery UI widgets to visually match Bootstrap and coexist with Bootstrap CSS wit… | 32 | 5461 | maintenance |
| PowerGlitch PowerGlitch is a tiny, dependency-free JavaScript/TypeScript library that adds glitch visual effects to any DOM element using CSS animation… | 59 | 1497 | active |
| sdras/cssgridgenerator A web-based visual tool that generates CSS Grid code for dynamic layouts. Users set columns, rows, and units, then drag to create grid-plac… | 63 | 5359 | maintenance |
| Perseus Exercise Renderer Aphrodite is a framework-agnostic CSS-in-JS library for JavaScript that lets you colocate styles with components using StyleSheet.create an… | 44 | 5338 | maintenance |
| inkline/inkline Inkline is a UI components library for Vue.js 3 that provides 50+ accessible, customizable components for building design systems. It empha… | 68 | 1470 | active |
| ikun-svelte/ikun-ui ikun-ui is a Svelte-based UI component library built on UnoCSS, offering a set of crafted components with Iconify icon support and a UnoCSS… | 31 | 1470 | active |
| alphagov/govuk-frontend GOV.UK Frontend is a design system framework providing CSS, JavaScript, Nunjucks macros, and assets for building consistent, accessible UK … | 97 | 1466 | stable |
| midudev/porfolio.dev An open-source portfolio website template for programmers and developers, built with Astro and Tailwind CSS by midudev. It serves as a read… | 62 | 1464 | active |
| Gioni06/terminal.css Terminal CSS is a lightweight (~3k gzip) CSS framework that gives websites a modern terminal/retro-computing look. It is written in pure CS… | 59 | 1453 | active |
| palexdev/MaterialFX MaterialFX is an open-source Java library providing Material Design styled UI components for JavaFX applications. It offers modern controls… | 62 | 1438 | active |
| yashash-pugalia/win11-svelte A web application that recreates the Windows 11 desktop experience in the browser using Svelte, Vite, and Tailwind CSS. It includes a deskt… | 10 | 1438 | active |
| edwardtufte/et-book ET Book is a free, MIT-licensed webfont of the typeface used in Edward Tufte's books, a Bembo-like serif designed by Dmitry Krasny, Bonnie … | 32 | 1434 | stable |
| StaticMania/keep-react Keep React is an open-source React component library built on Tailwind CSS and TypeScript, offering a set of pre-designed UI components. It… | 20 | 1432 | active |
| Spiderpig86/Cirrus Cirrus is a component-and-utility-centric SCSS framework for building responsive web interfaces with minimal JavaScript. It ships pre-built… | 63 | 1430 | active |
| jothepro/doxygen-awesome-css Doxygen Awesome is a custom CSS theme that modernizes the visual appearance of Doxygen-generated HTML documentation. It requires no changes… | 87 | 1428 | stable |
| origin-space/ui-experiments A collection of beautifully designed open-source layouts and UI experiments (dashboards, calendars, AI chat, crypto wallet, schema visualiz… | 43 | 1427 | active |
| stylelint-config The standard shareable configuration preset for Stylelint, the CSS linter. It extends stylelint-config-recommended with additional rules en… | 75 | 1418 | active |
| mkpaz/atlantafx AtlantaFX is a modern JavaFX CSS theme collection with additional controls, inspired by web component frameworks. It provides light and dar… | 66 | 1417 | active |
| mdbootstrap/mdb-react-ui-kit MDB React UI Kit is a Material Design-styled UI component library for React 18 built on Bootstrap 5, offering 700+ components such as modal… | 49 | 1416 | active |
| gregberge/twc TWC is a lightweight (0.49kb) TypeScript library for creating reusable React components styled with Tailwind CSS in a single line, using a … | 51 | 1415 | active |
| propjockey/augmented-ui augmented-ui is a pure-CSS library for creating cyberpunk and sci-fi styled UI shapes on any HTML element using clip-path and CSS custom pr… | 23 | 1404 | stable |
| wux-weapp/wux-weapp Wux Weapp is a component-based, reusable and extensible UI component library for WeChat Mini Programs. It provides a set of prebuilt custom… | 23 | 5038 | maintenance |
| svelteuidev/svelteui SvelteUI is an all-inclusive component library for Svelte offering 40+ accessible UI components, actions, utilities, animations, date picke… | 62 | 1399 | active |
| kazzkiq/balloon.css Balloon.css is a lightweight (~1.1kb) pure-CSS library for adding tooltips to HTML elements without any JavaScript. Tooltips are configured… | 23 | 5003 | maintenance |
| alexwolfe/Buttons Buttons is a highly customizable CSS button library built with Sass, offering production-ready button styles for mobile web and desktop. It… | 31 | 4994 | maintenance |
| refact0r/midnight-discord A dark, customizable CSS theme for Discord that works with BetterDiscord, Vencord, and other theme-supporting clients. It offers multiple p… | 76 | 1392 | active |
| Shoutem UI Toolkit Shoutem UI is a set of customizable, styleable UI components for building React Native applications on iOS and Android. It is part of the S… | 66 | 4982 | maintenance |
| mdgriffith/elm-ui elm-ui is an Elm library that provides a complete alternative to writing HTML and CSS for building web interfaces. It offers a design toolk… | 74 | 1381 | stable |
| Wildhoney/ReactShadow ReactShadow (npm: react-shadow) is a small React library for creating Shadow DOM roots declaratively via components like root.div, giving f… | 32 | 1379 | active |
| BafS/Gutenberg Gutenberg is a CSS/SCSS framework that makes web pages print correctly, available as gutenberg-css on npm. It provides utility classes for … | 23 | 4922 | maintenance |
| mehdibha/dotUI dotUI is a design-system builder and component registry for React that lets you compose a custom visual language (colors, icons, radius, de… | 71 | 1367 | active |
| elrumordelaluz/csshake CSShake is a collection of CSS classes and Sass mixins that add shake animations to DOM elements. It ships prebuilt stylesheets per animati… | 32 | 4863 | maintenance |
| climblee/uv-ui uv-ui is a multi-platform Vue UI component framework based on uView 2.x, compatible with Vue 2 and Vue 3 across uni-app targets including H… | 29 | 1352 | active |
| Web Awesome Web Awesome (successor to Shoelace) is an open-source, framework-agnostic design system of 50+ accessible UI components built on standard w… | 93 | 1348 | active |
| sailboatui/sailboatui Sailboat UI is a modern open-source UI component library for Tailwind CSS offering 150+ copy-paste HTML components such as buttons, cards, … | 50 | 1348 | active |
| NeverCease/uchu uchū is an OKLCH-based color palette distributed as CSS custom properties (with Sass support) for web projects. It provides expanded and re… | 10 | 1347 | stable |
| nzbin/three-dots Three Dots is a set of CSS loading animations, each built with a single HTML element, available as a Sass/Less library. It provides 14+ dot… | 23 | 1342 | stable |
| StartBootstrap/startbootstrap-grayscale Grayscale is a free, multipurpose one-page HTML theme for Bootstrap created by Start Bootstrap. It ships prebuilt HTML/CSS/JS in a dist fol… | 32 | 1341 | active |
| pages-themes/cayman Cayman is a clean, responsive Jekyll theme designed for GitHub Pages sites. It is distributed as a Ruby gem and configurable via _config.ym… | 23 | 1327 | stable |
| lindylearn/unclutter Unclutter is a browser extension for Chrome and Firefox that provides a modern reader mode by modifying a page's CSS to remove ads and clut… | 23 | 1322 | active |
| anandthakker/doiuse doiuse is a CSS linter that checks stylesheets for browser compatibility issues against the Can I Use database. It works as a CLI tool, a P… | 56 | 1302 | active |
| bootstrap-vue-next/bootstrap-vue-next A Vue 3 component library that re-implements the classic BootstrapVue components on top of Bootstrap 5 with full TypeScript support. It shi… | 93 | 1293 | active |
| microsoft/griffel Griffel is a CSS-in-JS library for React with near-zero runtime, ahead-of-time compilation, and atomic CSS output. It supports server-side … | 75 | 1281 | active |
| kriasoft/isomorphic-style-loader A Webpack CSS loader optimized for isomorphic (universal) web apps, similar to style-loader but supporting critical path CSS rendering. It … | 79 | 1273 | active |
| wix/stylable Stylable is a CSS preprocessor and type system from Wix that scopes styles to components, exposing a style API so components can be reused … | 26 | 1273 | active |
| muicss/mui MUI is a lightweight CSS framework implementing Google's Material Design guidelines, with a small gzipped footprint (~6.6K CSS, ~5.4K JS) a… | 32 | 4478 | maintenance |
| Anurella/reset-css A CSS reset stylesheet that neutralizes inconsistent browser default styles to provide a uniform baseline for web projects. It is a single … | 54 | 1265 | stable |
| peterramsing/lost LostGrid is a PostCSS plugin that provides a fraction-based CSS grid system using calc(). It works with any preprocessor or vanilla CSS and… | 23 | 4448 | maintenance |
| Equal-UI/Equal Equal UI is a Vue 3 component library with 30+ hackable UI components built on top of Tailwind CSS. It ships with built-in dark theme suppo… | 32 | 1259 | active |
| ikrishg/reseter.css A modern CSS reset library (~0.8kb) that normalizes browser default styles and includes cross-browser fixes. It combines the benefits of no… | 99 | 1257 | active |
| QNetITQ/WaveFox WaveFox is a Firefox CSS theme (userChrome) that extensively restyles the browser UI, including tab shapes, toolbars, separators, and optio… | 97 | 1252 | active |
| BlazorBootstrap An enterprise-class Blazor component library built on Bootstrap 5 CSS, providing UI components like grids, modals, offcanvas, autocomplete,… | 90 | 1249 | active |
| soulhotel/FF-ULTIMA FF Ultima is a highly configurable CSS theme for Firefox built on userChrome.css customization. It supports multiple layouts (tabs on top, … | 93 | 1241 | active |
| themeselection/sneat-bootstrap-html-admin-template-free Sneat is a free, open-source Bootstrap 5 HTML admin dashboard template built for developers, featuring responsive layouts, UI components, f… | 52 | 1238 | active |
| segmentio/myth Myth is a CSS preprocessor built on Rework that lets you write pure, spec-compliant CSS with future syntax (variables, custom media queries… | 10 | 4285 | maintenance |
| bootstrap-email/bootstrap-email Bootstrap Email is a stylesheet, compiler, and CSS inliner that lets you write HTML emails using Bootstrap-like syntax and compiles it into… | 61 | 1219 | active |
| marcj/css-element-queries A JavaScript polyfill that adds element-based media queries (container queries) to browsers, letting CSS rules respond to an element's dime… | 23 | 4241 | maintenance |
| chr15m/DoodleCSS DoodleCSS is a simple hand-drawn HTML/CSS theme that gives web pages a sketchy, doodle-style look. It is distributed as a single stylesheet… | 64 | 1208 | stable |
| umicro/uView uView UI is a comprehensive UI component framework for the uni-app ecosystem, offering 60+ components, utility JS tools, and common page la… | 23 | 4220 | maintenance |
| adoxography/tailwind-scrollbar A Tailwind CSS plugin that adds utilities for styling scrollbars with cross-browser support. It unifies the scrollbar-width/scrollbar-color… | 37 | 1206 | stable |
| bootflat/bootflat.github.io Bootflat is an open source flat UI kit built on top of Bootstrap 3.3.0, written with Sass, providing styled components for building elegant… | 23 | 4211 | maintenance |
| Ashutoshx7/VengeanceUI VengeanceUI is an open-source library of animated, copy-paste React UI components for building landing pages and marketing websites, instal… | 62 | 1203 | active |
| clean-css clean-css is a fast and efficient CSS optimizer and minifier for Node.js and modern browsers, offering multiple optimization levels, source… | 32 | 4199 | maintenance |
| dbc-team/dash-bootstrap-components A library of Bootstrap v5 components for use with Plotly Dash, exposed as native Dash components for building consistently styled, responsi… | 60 | 1200 | active |
| postcss/postcss-nested A PostCSS plugin that unwraps nested CSS rules using Sass-like syntax, flattening them into standard flat CSS. It supports bubbling of at-r… | 90 | 1197 | stable |
| zard-ui/zardui Zard/ui is an open-source Angular component library inspired by shadcn/ui, built with TailwindCSS v4 and influenced by Ng-zorro. It provide… | 84 | 1184 | active |
| pages-themes/hacker Hacker is a Jekyll theme with a green-on-black hacker aesthetic designed for GitHub Pages sites. It is distributed as a Ruby gem and config… | 23 | 1177 | stable |
| daangn/seed-design SEED is Daangn's unified design system, providing design tokens, styled React components, and cross-platform styles (React, iOS, Android, L… | 95 | 1170 | active |
| alvaromontoro/almond.css Almond.CSS is a class-less CSS stylesheet collection that makes simple semantic HTML websites look nicer without any JavaScript or classes.… | 34 | 1168 | active |
| VKCOM/VKUI VKUI is a library of adaptive React components based on VK's design system for building web applications. It mimics the look of iOS and And… | 93 | 1165 | active |
| oruga-ui/oruga Oruga is a lightweight, CSS-framework-agnostic UI component library for Vue.js 3 with no external dependencies. Components are fully custom… | 97 | 1162 | active |
| AvaloniaCommunity/Material.Avalonia A customizable Material Design theme library for the AvaloniaUI framework, providing styles for nearly all Avalonia controls plus extra con… | 97 | 1162 | active |
| shadcnstore/shadcn-dashboard-landing-template An open-source admin dashboard and marketing landing page template built with React, TypeScript, Tailwind CSS v4, and shadcn/ui, available … | 44 | 1160 | active |
| codedgar/Puppertino Puppertino is a lightweight, modular CSS framework that brings the macOS look and feel to web applications, following Apple's Human Interfa… | 87 | 1157 | active |
| kneath/kss KSS (Knyle Style Sheets) is a documentation specification for CSS plus a Ruby library that parses KSS-documented SASS, SCSS, and CSS files.… | 23 | 4012 | maintenance |
| picturepan2/instagram.css A pure CSS library that recreates all 41 Instagram photo filters using only CSS classes, with no JavaScript required. Filters are applied b… | 32 | 4008 | maintenance |
| saeedalipoor/icono Icono is a pure CSS icon pack where each icon is a single class applied to any element, requiring no fonts, SVGs, or external resources. Ic… | 23 | 3971 | maintenance |