CSS Frameworks

Tailwind CSStailwindcss.com

Low level, utility-first framework

Bootstrapgetbootstrap.com

Popular UI framework with tons of components that use both CSS and JS

Materializematerializecss.com

A modern responsive front-end framework based on Material Design

Material Design Litegetmdl.io

Light framework based on Material Design. No JS dependency

Bulmabulma.io

Modern CSS framework with no JS

Skeletongetskeleton.com

Extremely light framework for basic UI elements

Uniform CSSuniformcss.com

Fully configurable utility generator and CSS framework built entirely in Sass

Semantic UIsemantic-ui.com

Empowers designers and developers by creating a shared vocabulary for UI

Fomantic UIfomantic-ui.com

A community fork of Semantic-UI

Foundationget.foundation

Mobile first framework with clean markup

Pure CSSpurecss.io

A set of small, responsive CSS modules

UIKitgetuikit.com

Lightweight and modular front-end framework

Susyoddbird.net

Lightweight, grid-layout engine for Sass

Milligram.iomilligram.io

Minimalist CSS framework

Vanilla Frameworkvanillaframework.io

Simple, extensible CSS framework written in Sass

Spectre CSSpicturepan2.github.io

Lightweight, modern CSS framework

Picnic CSSpicnicss.com

Lightweight and beautiful library

Wingkbrsh.github.io

A beautiful CSS framework designed for minimalists

Chotajenil.github.io

A micro (~3kb) CSS framework

Blueprint CSSblueprintcss.dev

A lightweight layout library for building great responsive mobile first UIs that work everywhere

W3.CSSw3schools.com

A modern CSS framework with support for desktop, tablet, and mobile design by default. Designed to be independent of jQuery or any other JavaScript library

98.cssjdan.github.io

A design system for building faithful recreations of old UIs

NES CSSnostalgic-css.github.io

NES-style CSS Framework

Shoelace.cssshoelace.style

Lightweight, forward-thinking CSS library built with future CSS syntax

MVP.cssandybrewer.github.io

A minimalist stylesheet for HTML elements. No class names, no frameworks, just semantic HTML and you're done

Blaze.cssblazecss.com

Open source modular CSS toolkit providing great structure for building websites quickly

Turret CSSturretcss.com

Turret CSS is a styles framework for development of responsive websites.

Cutestrapcutestrap.com

A strong, independent CSS Framework.

XP.cssbotoxparty.github.io

XP.css is an extension of 98.css. A CSS library for building interfaces that look like old UIs.

Framework7framework7.io

Framework7 - is a free and open source framework to develop mobile, desktop or web apps with native look and feel.

Hint.csskushagra.dev

A pure CSS tooltip library for your lovely websites.

imagehover.ioimagehover.io

Pure CSS Image Hover Effect Library

mini.cssminicss.org

A minimal, responsive, style-agnostic CSS framework

Tachyonstachyons.io

Create fast loading, highly readable, and 100% responsive interfaces with as little css as possible.

Material Bootstrapfezvrasta.github.io

Material Design with Bootstrap

IvoryIVORY-UI/ivory

A modern CSS framework for developing powerful web interfaces faster and easier

Halfmoon UIgethalfmoon.com

A responsive and lightweight framework, designed for quickly building beautiful dashboards and product pages.

Metro 4metroui.org.ua

Create your site quickly and effectively with Metro 4. impressive components library built on html, css, javascript.

css-doodlecss-doodle.com

A web component for drawing patterns with CSS

latex.csslatex.now.sh

Make your website look like a LaTeX document

Paper CSScognitom/paper-css

Front-end printing solution

Windi CSSwindicss.org

Next generation compiler for Tailwind CSS

Cirrus CSScirrus-ui.netlify.app

A component and utility centric SCSS framework designed for rapid prototyping.

GutenbergBafS/Gutenberg

Modern framework to print the web correctly.

litajusa/lit

World's smallest responsive fire css framework (395 bytes).

Arwesarwes/arwes

Arwes is a web framework to build user interfaces based on futuristic science fiction designs, animations, and sound effects.

Bojlerbojler.slicejack.com

Bojler is an email framework for developing responsive and lightweight email templates that will render correctly across each of the most popular email clients.

Tacityegor256/tacit

Primitive CSS Framework for dummies, without classes.

Terminal CSSterminalcss.xyz

A modern and minimal CSS framework for terminal lovers.

Sakuraoxal.org

A minimal classless css framework / theme.

DAUBdaub.dev

Considered CSS component library — 73 components, 20 theme families, classless mode, AI-ready with llms.txt and MCP server. Zero build step

PSonemicah5/PSone.css

PS1 style CSS Framework, inspired by NES.css.

Marxmblode/marx

Marx is the classless CSS reset to be used in any projects (namely small ones).

Tufteedwardtufte/tufte-css

Style your webpage like Edward Tufte’s handouts.

Axentixuseaxentix.com

Axentix is an open source Framework based on CSS Grid using HTML, CSS and JS.

Raster Simple Grid Systemrsms.me

Minimal and straight-forward CSS grid system utilizing descriptive HTML rather than semantic CSS.

flowriftflowrift.com

Flowrift is a library made of beautifully designed Tailwind CSS UI blocks.

twindtwind.dev

The smallest, fastest, most feature complete tailwind-in-js solution in existence

Pico.csspicocss.com

Elegant styles for all natives HTML elements without .classes and dark mode automatically enabled.

clay.csscodeAdrian/clay.css

Extensible and configurable micro CSS util class and SASS mixin for adding claymorphism styles to your components.

BeerCSSbeercss.com

Build Material Design interfaces in record time, without stress for devs 🍻. The first CSS framework that implements Material Design 3.

UnoCSSunocss.dev

UnoCSS is the instant atomic CSS engine, that is designed to be flexible and extensible. The core is un-opinionated, and all the CSS utilities are provided via presets.

StyleXstylexjs.com

StyleX is a simple, easy-to-use JavaScript syntax and compiler for styling web apps.

Orbitzumerlab/orbit

Orbit is the first CSS framework for creating simple or complex radial interfaces.