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.

6,726 -6

170,895 +51

78,879 +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.

1,292 -1

51,113 -6

4,940 +0

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.

1,229 +0

29,665 +7

5,478 -2

materialize by Dogfalo

Materialize, a CSS Framework based on Material Design

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

968 +0

38,861 -1

4,743 +2

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.

724 -2

23,593 +4

2,482 -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.

651 +0

18,321 +6

2,323 +1

tailwindcss by tailwindlabs

A utility-first CSS framework for rapid UI development.

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

615 -1

83,107 +138

4,212 +7

bulma by jgthms

Modern CSS framework based on Flexbox

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

588 -2

49,370 +10

3,953 -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.

375 +0

17,147 +2

2,144 -1

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 +1

6,823 +9

933 +1

css by primer

Primer is GitHub's design system. This is the CSS implementation

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

246 +1

12,568 +5

1,216 +3

spectre by picturepan2

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

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

226 -1

11,333 +4

808 -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.

193 +0

20,730 +12

1,654 +2

mui by muicss

Lightweight CSS framework

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

169 +0

4,513 +0

426 +0

milligram by milligram

A minimalist CSS framework.

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

167 +0

10,217 -1

745 +0

sanitize.css by csstools

A best-practices CSS foundation

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

141 -1

5,219 +1

313 +1

tufte-css by edwardtufte

Style your webpage like Edward Tufte’s handouts.

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

104 +0

5,979 +7

458 +0

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

2,196 +3

113 +0

unsemantic by nathansmith

Fluid grid for mobile, tablet, and desktop.

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

97 +0

1,379 +1

162 +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

1,849 -1

206 +1