Popular CSS Libraries
-
twbs/bootstrap
The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web. http://getbootstrap.com
-
FortAwesome/Font-Awesome
The iconic font and CSS toolkit http://fontawesome.io
-
daneden/animate.css
🍿 A cross-browser library of CSS animations. As easy to use as an easy thing. http://daneden.github.io/animate.css
-
ionic-team/ionic
Build amazing native and progressive web apps with open web technologies. One app running on everything 🎉 https://ionicframework.com/
-
Semantic-Org/Semantic-UI
Semantic is a UI component framework based around useful principles from natural language. http://www.semantic-ui.com
-
callemall/material-ui
React Components that Implement Google's Material Design. http://www.material-ui.com
-
necolas/normalize.css
A collection of HTML element and attribute style-normalizations http://necolas.github.io/normalize.css/
-
zurb/foundation-sites
The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device. http://foundation.zurb.com
-
Dogfalo/materialize
Materialize, a CSS Framework based on Material Design http://materializecss.com
-
jgthms/bulma
Modern CSS framework based on Flexbox https://bulma.io
-
yahoo/pure
A set of small, responsive CSS modules that you can use in every web project. http://purecss.io/
-
dhg/Skeleton
Skeleton: A Dead Simple, Responsive Boilerplate for Mobile-Friendly Development http://www.getskeleton.com
-
designmodo/Flat-UI
Flat UI Free - Design Framework (html/css3/less/js). Flat UI is based on Bootstrap, a comfortable, responsive, and functional framework that simplifies the development of websites. https://designmodo.com/flat-free/
-
twbs/ratchet
Build mobile apps with simple HTML, CSS, and JavaScript components. http://goratchet.com
-
thomaspark/bootswatch
Themes for Bootstrap https://bootswatch.com
-
uikit/uikit
A lightweight and modular front-end framework for developing fast and powerful web interfaces http://getuikit.com
-
h5bp/Effeckt.css
A Performant Transitions and Animations Library http://h5bp.github.io/Effeckt.css
-
thoughtbot/bourbon
A Lightweight Sass Tool Set http://bourbon.io
-
Compass/compass
Compass is no longer actively maintained. Compass is a Stylesheet Authoring Environment that makes your website design simpler to implement and easier to maintain. http://compass-style.org
-
chinchang/hint.css
A CSS only tooltip library for your lovely websites. https://kushagragour.in/lab/hint/
-
olton/Metro-UI-CSS
CSS styles for build Windows 8 Metro UI stylable interface http://metroui.org.ua/
-
stubbornella/oocss
Object Oriented CSS Framework http://stubbornella.org/
-
alexwolfe/Buttons
A CSS button library built using Sass and Compass http://unicorn-ui.com/buttons/builder/
-
joshuaclayton/blueprint-css
A CSS framework that aims to cut down on your CSS development time http://www.blueprintcss.org
-
yui/yui3
A library for building richly interactive web applications. http://yuilibrary.com/
-
Huddle/PhantomCSS
Visual/CSS regression testing with PhantomJS https://github.com/Huddle/PhantomCSS
-
csswizardry/inuit.css
Powerful, scalable, Sass-based, BEM, OOCSS framework. http://inuitcss.com
-
topcoat/topcoat
CSS for clean and fast web apps http://topcoat.io
-
oddbird/susy
Responsive layout toolkit for Sass http://susy.oddbird.net/
-
nathansmith/960-Grid-System
The 960 Grid System is an effort to streamline web development workflow. http://960.gs
-
GumbyFramework/Gumby
A Flexible, Responsive CSS Framework - Powered by Sass http://gumbyframework.com/
-
suitcss/suit
Style tools for UI components http://suitcss.github.io/
-
mojotech/jeet
The most advanced, yet intuitive, grid system available for Sass or Stylus http://jeet.gs
-
hakimel/Meny
A three dimensional and space effecient menu http://lab.hakim.se/meny/
-
madebysource/lesshat
Smart LESS CSS mixins library. http://lesshat.com
-
zmoazeni/csscss
A CSS redundancy analyzer that analyzes redundancy. http://zmoazeni.github.io/csscss/
-
daneden/Toast
🍞 A highly-customizable, responsive (S)CSS grid http://daneden.github.io/Toast
-
jalxob/cool-kitten
A parallax scrolling responsive framework https://github.com/jalxob/cool-kitten
-
sapo/Ink
An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping http://ink.sapo.pt
-
groundworkcss/groundwork
Say hello to responsive design made easy. http://groundworkcss.github.io/
-
yairEO/fancyInput
Makes typing in input fields fun with CSS3 effects https://github.com/yairEO/fancyInput
-
tylertate/semantic.gs
The Semantic CSS Grid http://tylertate.github.io/semantic.gs/
-
tj/nib
Stylus mixins, utilities, components, and gradient image generation http://tj.github.com/nib/
-
mdo/preboot
A collection of LESS mixins and variables for writing better CSS. http://getpreboot.com
-
at-import/breakpoint
Really simple media queries in Sass https://github.com/at-import/breakpoint
-
joshuagatcke/HTML-KickStart
Ultra–Lean HTML Building Blocks for Rapid Website Production http://www.99lime.com
-
paranoida/sass-mediaqueries
Media Queries mixins for Sass - fully customizable and very easy to use. http://paranoida.github.com/sass-mediaqueries/
-
imperavi/kube
Kube CSS Framework https://github.com/imperavi/kube
-
csswizardry/csswizardry-grids
Simple, fluid, nestable, flexible, Sass-based, responsive grid system. http://csswizardry.com/csswizardry-grids
-
nathansmith/unsemantic
Fluid grid for mobile, tablet, and desktop. http://unsemantic.com
-
richleland/pygments-css
css files created from pygment's built-in styles http://richleland.github.io/pygments-css/
-
jescalan/roots
a toolkit for rapid advanced front-end development http://roots.cx
-
jakegiltsoff/sassline
Set text on the web to a baseline grid with Sass & rems using a responsive modular-scale. https://sassline.com
-
BlazeCSS/blaze
Open Source CSS Toolkit http://blazecss.com
-
nathansmith/formalize
Teach your forms some manners! http://formalize.me
-
artofrawr/profoundgrid
Responsive grid for fixed & fluid layouts. http://www.profoundgrid.com
-
matthewhartman/base
Base - A Rock Solid, Responsive CSS Framework built to work on all devices big, small and in-between. http://getbase.org
-
fffunction/sassaparilla
Start your web projects fast with Sassaparilla http://sass.fffunction.co
-
igoradamenko/awsm.css
Simple CSS library for semantic HTML markup https://igoradamenko.github.io/awsm.css/
-
cjdsie/wirefy
Wirefy is a browser based responsive wireframe tool, which allows you to create functional wireframes using standard elements. Think of it as the foundation for your content to be built on. This allows you to focus on the content rather than the design to get faster sign off. Wirefy is not a one-solution answer. http://getwirefy.com
-
heygrady/scss-blend-modes
Using standard color blending functions in SASS. https://github.com/heygrady/scss-blend-modes
-
jonikorpi/Frameless
The spiritual successor to Less Framework http://framelessgrid.com/
-
IcaliaLabs/furatto
It's a flat, fast and powerful front-end framework for rapid web development. https://github.com/IcaliaLabs/furatto
-
jescalan/rupture
Simple media queries in stylus http://jescalan.github.io/rupture
-
gillesbertaux/andy
Open-Source Collection of Useful SASS Mixins Library http://gillesbertaux.com/andy
-
typeplate/starter-kit
A @grayghostvisuals and @zakkain Joint™ Typeplate is a “Typographic Starter Kit.” We don’t make aesthetic design choices, but define proper markup with extensible styling for common typographic patterns. A stripped-down Sass library concerned with the appropriate technical implementation of design patterns—not how they look. http://typeplate.com
-
soyjavi/tuktuk
Simple (but powerful) RWD Framework https://github.com/soyjavi/tuktuk
-
ghinda/css-toggle-switch
Accessible, CSS-only, toggle switches http://ghinda.net/css-toggle-switch/
-
mourner/dead-simple-grid
Dead Simple Grid is a responsive CSS grid micro framework that is just that. Dead simple. http://mourner.github.com/dead-simple-grid
-
csscomb/csscomb
! DEPRECATED ! Please use csscomb.js instead https://github.com/csscomb/csscomb.js
-
maxmert/maxmertkit
Maxmertkit, powerful, most customizable and easiest for usage mobile first front-end framework for web-development. http://maxmert.com
-
Wolfr/clank
Clank: open source prototyping framework for mobile apps http://getclank.com/
-
malarkey/Rock-Hammer
A curated project library for Hammer For Mac. Rock Hammer contains baseline typography, plus styling for common HTML elements including images, forms and tables, as well as navigation, responsive modules and widgets https://github.com/malarkey/Rock-Hammer
-
alsacreations/KNACSS
feuille de styles CSS sur-vitaminée http://www.knacss.com
-
justinhough/Centurion
Centurion is a web-based framework for rapid prototyping and building larger web projects. http://www.centurionframework.com
-
static-dev/axis
terse, modular & powerful css library http://axis.netlify.com
-
jslegers/cascadeframework
Cascade Framework https://github.com/jslegers/cascadeframework
-
eliortabeka/tootik
A pure CSS/SCSS/LESS Tooltips library. Super easy to use, No JavaScript required. https://eliortabeka.github.io/tootik/
-
chris-pearce/scally
Scally is a Sass-based, BEM, OOCSS, responsive-ready, CSS framework that provides you with a solid foundation for building reusable UI's quickly https://twitter.com/scally_fw
-
newaeonweb/responsiveboilerplate
A lightweight (2kb) micro-library, elegant & minimalistic CSS3 grid system, made with only three main classes and 12 columns. It`s very easy to use and understand, pre-packed with some extra css helpers for mobile devices. http://www.responsiveboilerplate.com
-
andytlr/cssgrid
The 1140px CSS Grid, fluid to mobile. http://cssgrid.net
-
cmaddux/littlebox
Super simple to implement, CSS-only icons. http://littlebox.cabmaddux.com
-
cburgmer/csscritic
Lightweight CSS regression testing http://cburgmer.github.io/csscritic
-
clearleft/clearless
A collection of reusable LESS mixins http://clearleft.github.com/clearless/
-
TryKickoff/kickoff
:basketball: A lightweight front-end framework for creating scalable, responsive sites. Version 8 has just been released! http://trykickoff.com
-
robertpiira/ingrid
A fluid CSS layout system http://piira.se/projects/ingrid
-
csswizardry/beautons
A beautifully simple button toolkit http://csswizardry.com/beautons
-
kanthvallampati/IVORY
Simple, Flexible, & Powerful responsive web framework, Makes your web development faster and easier. It takes you all the way from 1200px on down to 320px. https://github.com/kanthvallampati/IVORY
-
kaelig/hidpi
Serve high resolution graphics to high density (Retina-like) displays with Sass. http://www.kaelig.fr/hidpi/examples/
-
weepower/wee
Front-end framework https://www.weepower.com
-
sturobson/Sassifaction
A Sass mixin library https://github.com/sturobson/Sassifaction
-
JohnAlbin/zen-grids
A Sass module to build responsive grid systems http://zengrids.com
-
atomicpages/skeleton-sass
Skeleton Sass is a highly modular version of Skeleton CSS https://atomicpages.github.io/skeleton-sass/
-
tzi/chewing-grid.css
A CSS Grid ideal for card listing design like tiles, videos or articles listing. Responsive without media-queries. http://tzi.github.io/chewing-grid.css
-
devatrox/Sunglass
A mixin and functions library for Sass https://github.com/devatrox/Sunglass
-
slavanga/baseguide
Lightweight and robust CSS framework for prototyping and production code. http://basegui.de
-
radogado/natuive
~15 KB feature-rich front-end framework http://radogado.github.io/natuive/
-
mateuszkocz/3l
Lots of Love for LESS https://github.com/mateuszkocz/3l
-
rowanmanning/pigeon
Pigeon is an OOCSS framework for rapid prototyping and building smart, scalable websites. http://pigeoncss.com/
-
voronianski/dookie-css
stylus driven css library http://labs.voronianski.com/dookie-css/
-
djesse/yaml4-sass
Sass port of CSS framework YAML http://www.yaml.de
-
Darklg/CSSCommon
Simple Modular CSS Framework http://csscommon.com
-
lmc-eu/emerald
Emerald is an opinionated responsive grid system written in LESS http://lmc-eu.github.io/emerald/
-
rowanmanning/cssdb
CSSDB: A curated collection of great CSS, Sass, LESS and Stylus libraries. http://cssdb.co/
-
Robdel12/Thumper
[DEPRECATED] Simple Infinite responsive grid system built to work in any web application, CMS, or blog. https://github.com/Robdel12/Thumper
-
srsgores/sass-boilerplate
Starting template for creating new html5 websites using SASS and Compass https://github.com/srsgores/sass-boilerplate
-
Kilian/sencss
The sensible standards CSS baseline http://sencss.kilianvalkhof.com/
-
paranoida/simple-ui
Simple UI is a set of the most popular components used in many web applications. http://paranoida.github.com/simple-ui/
-
tsi/Salsa
Syntactically Awesome Layout System... Awesome! http://tsi.github.com/Salsa/
-
nico3333fr/ROCSSTI
RÖCSSTI : pour démarrer vos CSS avec la patate ! https://rocssti.net/
-
dreyacosta/xpressio
Small and Fast RWD front-end framework http://xpress.io
-
chrishumboldt/Rocket-Propel
A lightweight SASS mixin library and responsive CSS layout engine. https://github.com/chrishumboldt/Rocket-Propel
-
bozboz/luigi
Bozboz Scss Framework https://github.com/bozboz/luigi
-
bantikyan/icheck-bootstrap
Pure css checkboxes and radio buttons for Twitter Bootstrap. https://github.com/bantikyan/icheck-bootstrap
-
sebnitu/BaseWeb
A fresh front-end development framework. https://github.com/sebnitu/BaseWeb
-
mrrocks/simpletastic
Simplestastic is a super lightweight framework written in SASS that makes it super easy create to fluid grids. https://github.com/mrrocks/simpletastic
-
amelierosser/stylus-platonic
Pure CSS3D library. http://davidpaulrosser.github.io/stylus-platonic
-
rowanmanning/frag
Frag is a fluid, responsive, simple grid system for CSS written in Sass. http://fragcss.com/
-
jslegers/cascadeframeworklight
Cascade Framework Light https://github.com/jslegers/cascadeframeworklight
-
tinywall/scrollzip
jQuery plugin to trigger action if element is visible while scrolling http://demo.tinywall.net/scrollzip/
-
ride-css/ride-css
A stylus mixins library for a faster css development. http://ridecss.com
-
groenroos/bulma-stylus
A Stylus translation of a modern CSS framework based on Flexbox https://github.com/groenroos/bulma-stylus
-
perryharlock/my-bootstrap
All you need to build a simple static web site https://github.com/perryharlock/my-bootstrap
-
Snugug/toolkit
Toolkit for Responsive Web Design and Progressive Enhancement with Compass https://github.com/Snugug/toolkit
-
chrishumboldt/Rocket-Button
A lightweight, universal button module. https://github.com/chrishumboldt/Rocket-Button
-
afropolymath/flexgrid
Flexbox CSS Layout System https://github.com/afropolymath/flexgrid
-
MarkehMe/pure-sass
Up to date version of Pure Sass generated from Sassinate Pure https://github.com/MarkehMe/pure-sass
-
juanghurtado/flaminwork
Front-end framework (XHTML/CSS/Javascript) http://flaminwork.com/
-
seelva/seelva
Seelva is a CSS and HTML Framework built with SASS and Compass. http://seelva.com/
-
joshuakim/jQuery-Mobile-Theme-SASS
Theme jQuery Mobile with SASS and Compass. Easily create new swatches with custom names https://github.com/joshuakim/jQuery-Mobile-Theme-SASS
-
tiko2015/snippets
framework css escalable basado en less https://github.com/tiko2015/snippets
-
watchtowerdigital/scarab-carapace
Highly configurable framework for generating single-purpose, functional CSS classes https://github.com/watchtowerdigital/scarab-carapace
-
rowanmanning/rem
Rem is a simple mixin for Sass which converts pixel values to rem values with a pixel fallback. https://github.com/rowanmanning/rem
-
rowanmanning/catchup
[UNMAINTAINED] Catchup is a small set of CSS3 and CSS 2.1 compatibility mixins for LESS. https://github.com/rowanmanning/catchup
-
rkrupinski/lamegrid
Grids for Sass https://github.com/rkrupinski/lamegrid
-
MikeBallan/Amazium
The responsive CSS web framework http://www.amazium.co.uk
-
kurbmedia/facades
Mixins, utilities, and helpers for front-end design/development with Compass / Rails http://kurbmedia.github.com/facades/
-
sinaomrani/anatomy
minimal boilerplate for minimalists https://github.com/sinaomrani/anatomy
-
Darklg/CSSNormalize
CSSNormalize s'appelle désormais CSSCommon ! https://github.com/Darklg/CSSNormalize
-
banquito/naranju
Sistema integral de desarrollo frontend https://github.com/banquito/naranju