Top 12 Open-Source Alternatives to Susy

Product categories

CSS Framework CSS Tools Design Tools Developer Tools Development Tools Javascript UI Libraries UI Website Design

Summary

The top open-source alternatives to Susy are Bootstrap, UIKit, and Skeleton CSS. 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 #Development Tools #Design Tools 326 social mentions
UIKit Landing Page
2

UIKit

A lightweight and modular front-end framework for developing fast and powerful web interfaces
Pricing:
- Open Source
#CSS Framework #Development Tools #Design Tools 20 social mentions
Skeleton CSS Landing Page
3

Skeleton CSS

A Beautiful Boilerplate for Responsive, Mobile-Friendly Development
Pricing:
- Open Source
#CSS Framework #CSS Tools #Design Tools 17 social mentions
Foundation Landing Page
4

Foundation

The most advanced responsive front-end framework in the world
Pricing:
- Open Source
#CSS Framework #Design Tools #Development Tools 18 social mentions
Metro UI CSS Landing Page
5

Metro UI CSS

Metro UI CSS a set of styles to create a site with an interface similar to Windows 8.
Pricing:
- Open Source
#CSS Framework #Design Tools #Developer Tools
Picnic CSS Landing Page
6

Picnic CSS

Lightweight and beautiful library. Unpack your meal and start coding.
Pricing:
- Open Source
#CSS Framework #Design Tools #Developer Tools 2 social mentions
Purecss Landing Page
7

Purecss

A set of small, responsive CSS modules that you can use in every web project.
Pricing:
- Open Source
#CSS Framework #Development Tools #Javascript UI Libraries 8 social mentions
Materialize CSS Landing Page
8

Materialize CSS

A modern responsive front-end framework based on Material Design
Pricing:
- Open Source
#CSS Framework #Development Tools #Design Tools 25 social mentions
Tailwind CSS Landing Page
9

Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces.
Pricing:
- Open Source
#Developer Tools #Design Tools #Website Design 869 social mentions
Bulma Landing Page
10

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
#CSS Framework #Development Tools #Design Tools 109 social mentions
Spectre.css Landing Page
11

Spectre.css

Lightweight, responsive and modern CSS framework for faster and extensible development.
Pricing:
- Open Source
#CSS Framework #Development Tools #Design Tools 4 social mentions
HTML5 Boilerplate Landing Page
12

HTML5 Boilerplate

A rock-solid default for HTML5 awesome.
Pricing:
- Open Source
#CSS Framework #Design Tools #Development Tools 17 social mentions