Top 12 Open-Source Alternatives to CSS Next

CSS Next

Use tomorrow’s CSS syntax, today.

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Product categories

A/B Testing Browser Extension CSS Framework CSS Tools Configuration Management Dark Mode Design Tools Developer Tools Development Tools Feature Flags Web Frameworks Website Design

Summary

The top open-source alternatives to CSS Next are PostCSS, Stylecow, and Sass. 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.

PostCSS Landing Page
1

PostCSS

Increase code readability. Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you.
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 45 social mentions
Stylecow Landing Page
2

Stylecow

CSS processor to fix your css code and make it compatible with all browsers
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools
Sass Landing Page
3

Sass

Syntatically Awesome Style Sheets
Pricing:
- Open Source
#CSS Framework #Web Frameworks #Developer Tools 144 social mentions
Stylus Landing Page
4

Stylus

EXPRESSIVE, DYNAMIC, ROBUST CSS
Pricing:
- Open Source
#Browser Extension #Dark Mode #Developer Tools 14 social mentions
CSS-Mint Landing Page
5

CSS

CSS-Mint

Lightweight and simple to use UI Kit.
Pricing:
- Open Source
#CSS Framework #Web Fonts And Design Assets #Developer Tools
styled-components Landing Page
6

styled-components

styled-components is a visual primitive for the component age that also helps the user to use the ES6 and CSS to style apps.
Pricing:
- Open Source
#Development Tools #React #Developer Tools 169 social mentions
Hint.css Landing Page
7

Hint.css

A pure CSS tooltip library for your lovely websites.
Pricing:
- Open Source
#CSS Framework #Website Design #Developer Tools 4 social mentions
Bootstrap Landing Page
8

Bootstrap

Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Pricing:
- Open Source
#CSS Framework #Web Frameworks #Developer Tools 362 social mentions
Tailwind CSS Landing Page
9

Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces.
Pricing:
- Open Source
#Development Tools #CSS Framework #UI 1013 social mentions
Topcoat Landing Page
10

Topcoat

TopCoat, TopWeb, Rheologic, Software for coating, drying, converting, web handling, industries.
Pricing:
- Open Source
#CSS Framework #Developer Tools #CSS Tools 1 social mentions
Flagsmith Landing Page
11

Flagsmith

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.
Pricing:
- Open Source
- Freemium
- Free Trial
#A/B Testing #Configuration Management #Developer Tools 13 social mentions
Laravel Landing Page
12

Laravel

A PHP Framework For Web Artisans
Pricing:
- Open Source
#PHP Framework #Web Frameworks #Developer Tools 240 social mentions