Awesome CSS Frameworks Awesome

List of awesome CSS frameworks.
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Contents

Base / Reset / Normalize

Class-less

Frameworks that use semantic HTML and do not rely on classes.

Very Lightweight

Frameworks that are smaller than ~5KB.

General Purpose

  • Bootstrap - The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.
    Demo, Docs, Repo | #SCSS

  • Bulma - Modern CSS framework based on Flexbox.
    Demo, Docs, Repo | #Sass

  • Foundation - The most advanced responsive front-end framework in the world.
    Demo, Docs, Repo | #SCSS

  • UIkit - Lightweight and modular front-end framework for developing fast and powerful web interfaces.
    Demo, Docs, Repo | #LESS #SCSS

  • Primer - CSS framework that powers GitHub's front-end design.
    Docs, Repo | #SCSS

  • Pico.css - Elegant styles for all native HTML elements, dark mode automatically enabled.
    Demo, Docs, Repo | #SCSS

  • Carbon Components - Component library behind IBM's Carbon Design System.
    Docs, Repo | #SCSS

  • U.S. Web Design System - Components used by U.S. federal government websites.
    Docs, Repo | #SCSS

  • Fomantic-UI - Build beautiful websites fast, with concise HTML, intuitive javascript, and simplified debugging.
    Docs, Repo | #LESS

  • Blaze UI - Open source modular toolkit providing great structure for building websites quickly with a scalable and maintainable foundation.
    Demo, Docs, Repo | #SCSS

  • Cirrus - Component and utility centric SCSS framework designed for rapid prototyping.
    Demo, Docs, Repo | #CSS

  • Vanilla Framework - Simple, extensible CSS framework. Written by the Canonical Web Team.
    Demo, Docs, Repo | #SCSS

  • PatternFly - UI framework for enterprise web applications.
    Demo, Docs, Repo | #SCSS #LESS

  • Stacks - UI components used by Stack Overflow.
    Docs, Repo | #LESS

  • HiQ - Simple CSS foundation with responsive typography and input styling.
    Docs, Repo | #PostCSS

Material Design

Utility-based

Specialized

  • NES.css - NES-style CSS Framework.
    Demo, Docs, Repo | #SCSS

  • 98.css - CSS library for building interfaces that look like Windows 98.
    Repo | #CSS

  • Tufte CSS - Style your webpage like Edward Tufte’s handouts.
    Repo | #CSS

  • Gutenberg - Modern framework to print the web correctly.
    Demo, Docs | #SCSS

  • XP.css - CSS library for building interfaces that look like Windows XP.
    Repo | #PostCSS

  • TuiCss - Library to create MS-DOS interfaces.
    Demo, Docs | #SCSS

  • 7.css - CSS library for building interfaces that look like Windows 7.
    Repo | #PostCSS

  • Bojler - Email framework for developing responsive and lightweight email templates.
    Docs, Repo | #SCSS

Toolkits

Toolkits are closer to a library than to a framework. They do not provide actual styling but utilities (e.g. mixins) that you can use in your CSS preprocessor.

Stalled Development

Frameworks that have not seen any real development for more than about one year or officially have been deprecated. We are keeping them here for reference/inspiration and hope for a revival.

Show Section
  • Semantic UI - User interface is the language of the web.
    Docs, Repo | #LESS

  • Materialize - CSS framework based on material design.
    Demo, Docs, Repo | #SCSS

  • Spectre.css - Lightweight, responsive and modern CSS framework.
    Docs, Repo | #SCSS

  • Tachyons - Quickly build and design new UI without writing CSS.
    Demo, Docs, Repo | #CSS

  • Milligram - Minimalist CSS framework.
    Demo, Docs, Repo | #Sass

  • Water.css - Just-add-CSS collection of styles to make simple websites just a little nicer.
    Repo | #CSS

  • Basscss - Low-level CSS toolkit.
    Repo

  • sanitize.css - The best-practices CSS foundation.
    Repo | #CSS

  • MUI - Lightweight CSS framework that follows Google's Material Design guidelines.
    Docs, Repo | #SCSS

  • modern-css-reset - Tiny little reset that you can use as the basis of your CSS projects.
    Repo | #CSS

  • minireset.css - Tiny modern CSS reset.
    Repo | #Sass

  • CSS Remedy - Start your project with a remedy for the technical debt of CSS.
    | #CSS

  • inuitcss - Extensible, scalable, Sass-based, OOCSS framework for large and long-lasting UI projects.
    Repo | #SCSS

  • Cutestrap - Sassy, opinionated CSS framework, a tiny alternative to Bootstrap.
    Repo

  • unsemantic - Fluid grid for mobile, tablet, and desktop.
    Demo, Docs, Repo

  • Base - Rock solid, responsive HTML/CSS framework.
    Docs, Repo | #SCSS #LESS

  • Propeller - Front-end responsive framework based on Google's Material Design standards & Bootstrap.
    Docs, Repo | #SCSS

  • Concise CSS - Give up the bloat. Stop tripping over your classes. Be concise.
    Docs, Repo | #SCSS

  • Responsive Boilerplate - Powerful, accessible, developer friendly framework for building responsive websites.
    Docs, Repo | #SCSS

  • turretcss - Responsive front-end framework for accessible and semantic websites.
    Demo, Docs, Repo | #CSS

  • Centurion - Web-based framework for rapid prototyping and building larger web projects.
    Docs, Repo


License

License CC0 1.0:

You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

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