bootstrap by twbs

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

created at July 29, 2011, 9:19 p.m.

6,751 -3

167,472 +78

78,364 -3

Semantic-UI by Semantic-Org

Semantic is a UI component framework based around useful principles from natural language.

created at April 8, 2013, 11:32 p.m.

1,300 -2

50,995 +10

4,953 +1

foundation-sites by foundation

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.

created at Oct. 13, 2011, 11:05 p.m.

1,267 -3

29,606 +1

5,513 +0

materialize by Dogfalo

Materialize, a CSS Framework based on Material Design

created at Sept. 12, 2014, 7:35 p.m.

980 +0

38,856 +2

4,746 +1

pure by pure-css

A set of small, responsive CSS modules that you can use in every web project.

created at April 22, 2013, 4:16 p.m.

732 +0

23,397 +5

2,490 +0

uikit by uikit

A lightweight and modular front-end framework for developing fast and powerful web interfaces

created at July 18, 2013, 4 p.m.

649 -2

18,116 +12

2,315 -2

tailwindcss by tailwindlabs

A utility-first CSS framework for rapid UI development.

created at Oct. 6, 2017, 2:59 p.m.

605 -2

78,435 +214

3,939 +9

bulma by jgthms

Modern CSS framework based on Flexbox

created at Jan. 23, 2016, 11:48 p.m.

591 -1

48,586 +27

3,920 -1

material-components-web by material-components

Modular and customizable Material Design UI components for the web

created at Dec. 5, 2016, 4:04 p.m.

377 +1

17,079 +5

2,151 -1

css by primer

The CSS design system that powers GitHub

created at March 19, 2015, 11:31 p.m.

243 -1

12,456 +4

1,179 +3

spectre by picturepan2

Spectre.css - A Lightweight, Responsive and Modern CSS Framework

created at March 7, 2016, 11:53 a.m.

230 +0

11,290 +1

803 +1

NES.css by nostalgic-css

NES-style CSS Framework | ファミコン風CSSフレームワーク

created at Sept. 24, 2018, 1:49 a.m.

196 +0

20,332 +50

1,627 +0

mui by muicss

Lightweight CSS framework

created at Feb. 15, 2015, 5:30 p.m.

169 +0

4,511 +0

441 +0

milligram by milligram

A minimalist CSS framework.

created at Dec. 10, 2015, 5:03 p.m.

168 +0

10,158 +0

753 -1

sanitize.css by csstools

A best-practices CSS foundation

created at Nov. 6, 2012, 5:50 p.m.

144 +0

5,163 +3

311 +0

tufte-css by edwardtufte

Style your webpage like Edward Tufte’s handouts.

created at Oct. 15, 2014, 12:16 p.m.

102 +0

5,833 +2

450 +1

cssremedy by jensimmons

Start your project with a remedy for the technical debt of CSS.

created at Jan. 10, 2019, 8:07 p.m.

98 +0

2,158 +2

112 -1

unsemantic by nathansmith

Fluid grid for mobile, tablet, and desktop.

created at Oct. 27, 2012, 4:40 a.m.

97 +0

1,381 +0

161 +0

inuitcss by inuitcss

Extensible, scalable, Sass-based, OOCSS framework for large and long-lasting UI projects.

created at June 22, 2016, 7:14 a.m.

97 +0

1,850 +1

206 -1

picnic by franciscop

A beautiful CSS library to kickstart your projects

created at Sept. 3, 2014, 5:49 p.m.

97 +0

3,773 +1

225 +0