Awesome CSS Frameworks 
List of awesome CSS frameworks.
Feel free to contribute.
Contents
- Base / Reset / Normalize
- Very Lightweight
- General Purpose
- Material Design
- Specialized
- Toolkits
- Stalled Development
Base / Reset / Normalize
- 
normalize.css - Modern, HTML5-ready alternative to CSS resets. 
 
 Repo, #CSS
- 
sanitize.css - The best-practices CSS foundation. 
 
 Repo, #CSS
- 
minireset.css - Tiny modern CSS reset. 
 
 Repo, #Sass
- 
inuitcss - Extensible, scalable, Sass-based, OOCSS framework for large and long-lasting UI projects. 
 
 Repo, #SCSS
- 
modern-normalize - Normalize for Chrome, Firefox, and Safari only (no support for Edge or Internet Explorer). 
 
 Repo, #CSS
Very Lightweight
Frameworks that are smaller than ~5KB.
- 
Pure - Set of small, responsive CSS modules that you can use in every web project. 
 
 Demo,
 Docs,
 Repo, #CSS
- 
Picnic CSS - Lightweight and beautiful library. 
 
 Demo,
 Docs,
 Repo, #SCSS
- 
mini.css - Minimal, responsive, style-agnostic CSS framework. 
 
 Docs,
 Repo, #SCSS
- 
sakura - Minimal classless CSS framework/theme. 
 
 Demo,
 Repo, #SCSS
- 
Wing - Beautiful CSS framework designed for minimalists. 
 
 Docs,
 Repo, #Stylus
- 
Tacit - CSS framework for dummies, without classes. 
 
 Repo, #SCSS
- 
awsm.css - CSS library for semantic HTML markup without classes, attributes, etc. 
 
 Demo,
 Repo, #SCSS
General Purpose
- 
Bootstrap - The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web. 
 
 Demo,
 Docs,
 Themes,
 Repo, #SCSS
- 
Semantic UI - User interface is the language of the web. 
 Note: The project seems to be inactive but there is an active fork called Fomantic UI.
 
 Docs,
 Repo, #LESS
- 
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
- 
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
- 
Primer - CSS framework that powers GitHub's front-end design. 
 
 Docs,
 Repo, #SCSS
- 
Carbon Components - Component library behind IBM's Carbon Design System. 
 
 Docs,
 Repo, #SCSS
- 
Blaze UI - Open source modular toolkit providing great structure for building websites quickly with a scalable and maintainable foundation. 
 
 Demo,
 Docs,
 Repo, #SCSS
- 
PatternFly - UI framework for enterprise web applications. 
 
 Demo,
 Docs,
 Repo, #SCSS #LESS
- 
Base - Rock solid, responsive HTML/CSS framework. 
 
 Docs,
 Repo, #SCSS #LESS
- 
turretcss - Responsive front-end framework for accessible and semantic websites. 
 
 Demo,
 Docs,
 Repo, #CSS
- 
Cirrus - Responsive and comprehensive CSS framework with beautiful controls and simplistic structure. 
 
 Docs,
 Repo, #CSS
- 
HiQ - Simple CSS foundation with responsive typography and input styling. 
 
 Docs,
 Repo, #PostCSS
Material Design
- 
Material Components Web - Modular and customizable Material Design UI components for the web. 
 
 Demo,
 Docs,
 Repo, #SCSS
- 
Materialize - CSS framework based on material design. 
 
 Demo,
 Docs,
 Repo, #SCSS
- 
MUI - Lightweight CSS framework that follows Google's Material Design guidelines. 
 
 Docs,
 Repo, #SCSS
- 
Propeller - Front-end responsive framework based on Google's Material Design standards & Bootstrap. 
 
 Docs,
 Repo, #SCSS
Specialized
- 
Tailwind CSS - Utility-first CSS framework for rapid UI development. 
 
 Docs,
 Repo, #CSS
- 
Gutenberg - Modern framework to print the web correctly. 
 
 Demo,
 Repo, #SCSS
- 
Tufte CSS - Style your webpage like Edward Tufte’s handouts. 
 
 Repo, #CSS
- 
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.
- 
Bourbon - Lightweight Sass tool set. 
 
 Docs,
 Repo,
 Scaffold, #SCSS
- 
Neat - Lightweight and flexible Sass grid. 
 
 Demo,
 Docs,
 Repo, #SCSS
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.
- 
Material Design Lite - Material Design components in HTML/CSS/JS. 
 
 Demo,
 Docs,
 Repo
- 
Skeleton - Dead simple, responsive boilerplate. 
 
 Demo,
 Docs,
 Repo
- 
Flexbox Grid - Grid based on CSS3 flexbox. 
 
 Repo
- 
Mobi.css - Lightweight, scalable, mobile-first CSS framework. 
 
 Docs,
 Repo, #CSS
- 
Cutestrap - Sassy, opinionated CSS framework, a tiny alternative to Bootstrap. 
 
 Repo
- 
unsemantic - Fluid grid for mobile, tablet, and desktop. 
 
 Demo,
 Docs,
 Repo
- 
Kube - Web framework for professional developers and designers. 
 
 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
- 
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.
Images of GitHub stars are provided by Shields.
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