Open Source Libs
Find Open Source Packages
Open Source Libraries
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CSS Framework
284 Open Source CSS Framework Software Projects
Free and open source css framework code projects including engines, APIs, generators, and tools.
Twbs Bootstrap
155109 ⭐
The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.
Semantic UI
49817 ⭐
Semantic is a UI component framework based around useful principles from natural language.
Bulma
44984 ⭐
Modern CSS framework based on Flexbox
Dogfalo Materialize
38656 ⭐
Materialize, a CSS Framework based on Material Design
TailwindCSS
52915 ⭐
A utility-first CSS framework for rapid UI development.
Nes.CSS
18001 ⭐
NES-style CSS Framework | ファミコン風CSSフレームワーク
Bootswatch
13408 ⭐
Themes for Bootstrap
Bootstrap Table
11119 ⭐
An extended table to integration with some of the most widely used CSS frameworks. (Supports Bootstrap, Semantic UI, Bulma, Material Design, Foundation, Vue.js)
Picturepan2 Spectre
10955 ⭐
Spectre.css - A Lightweight, Responsive and Modern CSS Framework
Milligram
9604 ⭐
A minimalist CSS framework.
Water.CSS
6723 ⭐
A drop-in collection of CSS styles to make simple websites just a little nicer
MuiCSS Mui
4471 ⭐
Lightweight CSS framework
Bafs Gutenberg
4451 ⭐
Modern framework to print the web correctly.
Must Watch CSS
3970 ⭐
A useful list of must-watch talks about CSS
Awesome CSS Frameworks
4525 ⭐
List of awesome CSS frameworks in 2022
Pattern.CSS
3498 ⭐
CSS only library to fill empty background with beautiful patterns.
Mini.CSS
2940 ⭐
A minimal, responsive, style-agnostic CSS framework!
Front End Frameworks
2782 ⭐
A collection of best front-end frameworks for faster and easier web development.
Oxalorg Sakura
3313 ⭐
:cherry_blossom: a minimal css framework/theme.
Mobi.CSS
2340 ⭐
A lightweight, scalable, mobile-first CSS framework
Front End Web Development Resources
3551 ⭐
This repository contains content which will be helpful in your journey as a front-end Web Developer
Fomantic UI
2791 ⭐
Fomantic-UI is a community fork of Semantic-UI
Rucksack
1863 ⭐
A little bag of CSS superpowers, built on PostCSS
Lit
1867 ⭐
World's smallest responsive 🔥 css framework (395 bytes)
Tacit
1436 ⭐
CSS framework for dummies, without a single CSS class
Propeller
1142 ⭐
Propeller - Develop more, Code less. Propeller is a front-end responsive framework based on Google's Material Design Standards & Bootstrap.
Mustard UI
981 ⭐
A starter CSS framework that actually looks good.
Dropin Minimal CSS
1212 ⭐
Drop-in switcher for previewing minimal CSS frameworks
Bojler
930 ⭐
Bojler is an email framework
Taniarascia Primitive
839 ⭐
⛏️ A front-end design toolkit for developing web apps.
CardinalCSS
713 ⭐
A modular, “mobile-first” CSS framework built with performance and scalability in mind.
Modulz Stitches
4627 ⭐
CSS-in-JS with near-zero runtime, SSR, multi-variant support, and a best-in-class developer experience.
Hartija CSS Print Framework
516 ⭐
Universal CSS for web printing
Siimple
514 ⭐
The minimal CSS toolkit for flat and clean designs
Nhsuk Frontend
540 ⭐
NHS.UK frontend contains the code you need to start building user interfaces for NHS websites and services.
Agile.js
486 ⭐
AgileJS - The Css3 Creation Engine 🍖🌭🍔
Evie
485 ⭐
A production-ready theme for your projects with a minimal style guide https://evie.undraw.co
Spiderpig86 Cirrus
874 ⭐
:cloud: The SCSS framework for the modern web.
Vanilla Framework
528 ⭐
From community websites to web applications, this CSS framework will help you achieve a consistent look and feel.
Tailwindo
827 ⭐
🔌 Convert Bootstrap CSS code to Tailwind CSS code
Mahdimajidzadeh Bootstrap V4 Rtl
443 ⭐
RTL edition of bootstrap v4 for rtl languages like Farsi and Arabic
Fractures
363 ⭐
Baseline atomic CSS toolkit.
Psone.CSS
404 ⭐
🎮 PS1 style CSS Framework, inspired by NES.css
Isometricsass
345 ⭐
Sass library to make isometric 2D without javascript
Teutonic CSS
309 ⭐
A modern CSS framework — versatile, well documented.
Modulz Original Design System Archive
302 ⭐
An open-source design system for building scalable, responsive websites and applications.
Scally
291 ⭐
Scally is a Sass-based, BEM, OOCSS, responsive-ready, CSS framework that provides you with a solid foundation for building reusable UI's quickly 🕶
Smart CSS Grid
298 ⭐
SMART CSS GRID - CSS Framework
Getpavilion Pavilion
256 ⭐
Pavilion CSS Framework. A solid starting point without the bloat.
Bulma Helpers
271 ⭐
Library with missing Functional / Atomic CSS classes for Bulma framework
Unnamed CSS Framework
255 ⭐
A simple colorful CSS framework
Gulp Front
247 ⭐
Frontend boilerplate and framework based on gulp, pug, stylus and babel
Shorthand
243 ⭐
Utility based css framework built with SCSS.
Bonsai.CSS
292 ⭐
A Utility Complete CSS Framework for less than 45kb (8kB Gzipped) -
CSS Mint
212 ⭐
Lightweight and simple to use UI Kit. Fully responsive, just 3KB gzipped.
Sky Design
236 ⭐
🌃 the design reference for the developers who care about good design.
Knopf.CSS
192 ⭐
Modern, modular, extensible button system designed for both rapid prototyping and production-ready applications
Aqua.CSS
274 ⭐
An elegant CSS Framework.
Buttercake
178 ⭐
Material Design Components, Responsive and Modern CSS Framework Built with Flexbox 🍰
Logeshpaul UI Components
174 ⭐
Most used UI Components — of web applications. Curated/Most loved components for web development
Flexible Grid
154 ⭐
Flexible grid layouts to get you familiar with building within the flexible grid system.(HTML, CSS, SASS, SCSS)
Fluent Reveal Effect
188 ⭐
Fluent Reveal Effect JavaScript library for web
Kuletw Lazy
147 ⭐
Kule Lazy4 / CSS Framework
Frow
161 ⭐
Flexbox Toolkit & Grid
Box CSS Framework
138 ⭐
Box - CSS Framework
WeUI Rails
139 ⭐
An UI library for WeChat, includes widgets/modules in mobile web app.
Bulma SCSS
148 ⭐
Bulma SCSS - The Bulma CSS Framework files converted to SCSS syntax
Sass Basis Basis
137 ⭐
A lightweight responsive Sass/CSS framework based on flexible box.
Lc Design
150 ⭐
A UI component framework for building LCUI application.
Snack UI Snack
129 ⭐
🍱 A minimal CSS framework for web.
Gskit
312 ⭐
A lightweight front-end component library for developing fast and powerful web interfaces.
Bootstrap4 Website
136 ⭐
Website built with bootstrap 4 Framework
Beauter
123 ⭐
A simple framework for faster and beautiful responsive sites
Petal
124 ⭐
A modern, light CSS UI framework by Shakr
Fictoan
114 ⭐
Mockups with markup — https://sujan-s.github.io/fictoan/
Infinity CSS Grid
116 ⭐
Fluid Flex Solution for making infinite grid columns.
Ebay Skin
142 ⭐
Pure CSS framework designed & developed by eBay for a branded, e-commerce marketplace.
Lukakerr Ion
131 ⭐
A lightweight CSS framework that brings MacOS styled elements to Electron
Framy CSS
108 ⭐
Very simple CSS Framework
Scaffold Static
114 ⭐
Scaffolding utility for vanilla-js
Skeleton Plus
99 ⭐
:ferris_wheel: simple stripped down css framework
Jekyll Theme HackCSS
109 ⭐
Dead simple CSS framework now with Jekyll.
Taniarascia Setup
93 ⭐
My own front end web development set up, covering everything from operating system to analytics.
Turkuaz
109 ⭐
Hızlı ve kolay web sayfaları geliştirin
Kanbasu
94 ⭐
A lightweight CSS framework written in Sass.
Avalanchesass Avalanche
88 ⭐
A package based CSS framework.
RidgeCSS
125 ⭐
A maximalist css framework for making web apps fast
Minna UI
83 ⭐
😸 A fast, friendly, and fun web UI kit for everyone.
Bahunya
206 ⭐
10KB classless CSS framework with responsive typography, navbar, syntax highlighting, etc.
Uiterminal
98 ⭐
Terminal Style CSS Framework
Kernel.CSS
79 ⭐
The CSS framework built for any kind of task
Cra TailwindCSS
105 ⭐
Integrate Tailwind CSS in a Create React App setup
Aesthetic CSS
136 ⭐
A vaporwave CSS framework 🌴🐬
Materialize Rtl
79 ⭐
RTL version of materializecss framework v1.0.0
Concrete.CSS
95 ⭐
A simple and to the point classless CSS framework
1 Line CSS Framework
69 ⭐
One Line CSS Framework
RenaissanceCSS
70 ⭐
🎨 The Freshest CSS Framework
Strawberry
72 ⭐
A new flexbox based CSS micro-framework.
Bem Kit
69 ⭐
💄 CSS UI kit with BEM convention and SASS
Brevis
62 ⭐
CSS at scale