Top 12 Open-Source Alternatives to Kickstart CSS

Kickstart CSS

The CSS Library that Loves to Be Extended.

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CSS Framework CSS Tools Design Tools Developer Tools Development Tools JS Library JavaScript Framework Javascript UI Libraries UI Web Frameworks Website Design

Summary

The top open-source alternatives to Kickstart CSS are Bootstrap, Metro UI, and Semantic UI. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Bootstrap Landing Page
1

Bootstrap

Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Pricing:
- Open Source
#CSS Framework #Web Frameworks #Developer Tools 363 social mentions
Metro UI Landing Page
2

Metro UI

Metro UI CSS a set of styles to create a site with an interface similar to Windows 8.
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 1 social mentions
Semantic UI Landing Page
3

Semantic UI

A UI Component library implemented using a set of specifications designed around natural language
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 19 social mentions
UIKit Landing Page
4

UIKit

A lightweight and modular front-end framework for developing fast and powerful web interfaces
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 22 social mentions
Materialize CSS Landing Page
5

Materialize CSS

A modern responsive front-end framework based on Material Design
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 26 social mentions
Foundation Landing Page
6

Foundation

The most advanced responsive front-end framework in the world
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 21 social mentions
Bulma Landing Page
7

Bulma

Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 115 social mentions
Spectre.css Landing Page
8

Spectre.css

Lightweight, responsive and modern CSS framework for faster and extensible development.
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 4 social mentions
Skeleton CSS Landing Page
9

Skeleton CSS

A Beautiful Boilerplate for Responsive, Mobile-Friendly Development
Pricing:
- Open Source
#Development Tools #CSS Framework #Website Design 17 social mentions
HTML5 Boilerplate Landing Page
10

HTML5 Boilerplate

A rock-solid default for HTML5 awesome.
Pricing:
- Open Source
#CSS Framework #Developer Tools #CSS Tools 18 social mentions
Tailwind CSS Landing Page
11

Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces.
Pricing:
- Open Source
#Development Tools #CSS Framework #UI 1017 social mentions
Svelte Landing Page
12

Svelte

Cybernetically enhanced web apps
Pricing:
- Open Source
#Javascript UI Libraries #JS Library #JavaScript Framework 393 social mentions