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.

6,749 +0

167,815 +69

78,482 +11

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.

1,301 +0

51,032 +8

4,950 -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.

1,251 -12

29,637 +11

5,503 +0

materialize by Dogfalo

Materialize, a CSS Framework based on Material Design

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

975 +0

38,850 +4

4,742 +0

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.

731 +0

23,445 +2

2,487 -1

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.

650 +0

18,163 +5

2,318 +0

tailwindcss by tailwindlabs

A utility-first CSS framework for rapid UI development.

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

611 +0

79,436 +166

3,986 +13

bulma by jgthms

Modern CSS framework based on Flexbox

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

591 +0

48,735 +28

3,924 +3

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.

376 +0

17,098 +7

2,146 -3

uswds by uswds

The U.S. Web Design System helps the federal government build fast, accessible, mobile-friendly websites.

created at May 20, 2015, 7:10 p.m.

296 +0

6,672 +5

921 +1

css by primer

The CSS design system that powers GitHub

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

246 +0

12,477 +9

1,188 +1

spectre by picturepan2

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

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

227 +0

11,302 +1

806 +0

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.

195 -1

20,398 +18

1,632 +1

mui by muicss

Lightweight CSS framework

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

169 +0

4,510 -3

427 +1

milligram by milligram

A minimalist CSS framework.

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

168 +0

10,157 -1

745 -3

sanitize.css by csstools

A best-practices CSS foundation

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

143 -1

5,179 +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 -1

5,853 +1

452 -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.

99 +1

2,170 +5

112 +0

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

1,848 +1

206 +0