Low level, utility-first framework
Popular UI framework with tons of components that use both CSS and JS
A modern responsive front-end framework based on Material Design
Light framework based on Material Design. No JS dependency
Modern CSS framework with no JS
Extremely light framework for basic UI elements
Fully configurable utility generator and CSS framework built entirely in Sass
Empowers designers and developers by creating a shared vocabulary for UI
A community fork of Semantic-UI
Mobile first framework with clean markup
A set of small, responsive CSS modules
Lightweight and modular front-end framework
Lightweight, grid-layout engine for Sass
Simple, extensible CSS framework written in Sass
Lightweight, modern CSS framework
Lightweight and beautiful library
A beautiful CSS framework designed for minimalists
A micro (~3kb) CSS framework
A lightweight layout library for building great responsive mobile first UIs that work everywhere
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
A design system for building faithful recreations of old UIs
Lightweight, forward-thinking CSS library built with future CSS syntax
A minimalist stylesheet for HTML elements. No class names, no frameworks, just semantic HTML and you're done
Open source modular CSS toolkit providing great structure for building websites quickly
Turret CSS is a styles framework for development of responsive websites.
A strong, independent CSS Framework.
XP.css is an extension of 98.css. A CSS library for building interfaces that look like old UIs.
Framework7 - is a free and open source framework to develop mobile, desktop or web apps with native look and feel.
A pure CSS tooltip library for your lovely websites.
Pure CSS Image Hover Effect Library
A minimal, responsive, style-agnostic CSS framework
Create fast loading, highly readable, and 100% responsive interfaces with as little css as possible.
Material Design with Bootstrap
A modern CSS framework for developing powerful web interfaces faster and easier
A responsive and lightweight framework, designed for quickly building beautiful dashboards and product pages.
Create your site quickly and effectively with Metro 4. impressive components library built on html, css, javascript.
A web component for drawing patterns with CSS
Make your website look like a LaTeX document
Front-end printing solution
Next generation compiler for Tailwind CSS
A component and utility centric SCSS framework designed for rapid prototyping.
Modern framework to print the web correctly.
World's smallest responsive fire css framework (395 bytes).
Arwes is a web framework to build user interfaces based on futuristic science fiction designs, animations, and sound effects.
Bojler is an email framework for developing responsive and lightweight email templates that will render correctly across each of the most popular email clients.
Primitive CSS Framework for dummies, without classes.
A modern and minimal CSS framework for terminal lovers.
A minimal classless css framework / theme.
PS1 style CSS Framework, inspired by NES.css.
Marx is the classless CSS reset to be used in any projects (namely small ones).
Style your webpage like Edward Tufte’s handouts.
Axentix is an open source Framework based on CSS Grid using HTML, CSS and JS.
Minimal and straight-forward CSS grid system utilizing descriptive HTML rather than semantic CSS.
Flowrift is a library made of beautifully designed Tailwind CSS UI blocks.
The smallest, fastest, most feature complete tailwind-in-js solution in existence
Elegant styles for all natives HTML elements without .classes and dark mode automatically enabled.
Extensible and configurable micro CSS util class and SASS mixin for adding claymorphism styles to your components.