Top 12 Open-Source Alternatives to PostCSS

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.

As PostCSS is an open source project, you can find more open source alternatives and stats on LibHunt.

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Product categories

Design Tools CSS Framework Developer Tools Development Tools CSS Tools UI Web Frameworks Website Design Browser Extensions CSS Dark Mode Front-End Frameworks

Summary

The top open-source alternatives to PostCSS are Sass, Tailwind CSS, and Bootstrap. 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.

Sass Landing Page
1

Sass

Syntatically Awesome Style Sheets
Pricing:
- Open Source
#CSS Framework #Web Frameworks #Developer Tools 149 social mentions
Tailwind CSS Landing Page
2

Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces.
Pricing:
- Open Source
#Development Tools #CSS Framework #UI 1062 social mentions
Bootstrap Landing Page
3

Bootstrap

Simple and flexible HTML, CSS, and JS for popular UI components and interactions
Pricing:
- Open Source
#CSS Framework #Web Frameworks #Developer Tools 370 social mentions
Semantic UI Landing Page
4

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 21 social mentions
Topcoat Landing Page
5

Topcoat

TopCoat, TopWeb, Rheologic, Software for coating, drying, converting, web handling, industries.
Pricing:
- Open Source
#CSS Framework #Developer Tools #CSS Tools 1 social mentions
Materialize CSS Landing Page
6

Materialize CSS

A modern responsive front-end framework based on Material Design
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 28 social mentions
Stylus Landing Page
7

Stylus

EXPRESSIVE, DYNAMIC, ROBUST CSS
Pricing:
- Open Source
#Dark Mode #Developer Tools #Design Tools 14 social mentions
Material UI Landing Page
8

Material UI

A CSS Framework and a Set of React Components that Implement Google's Material Design
Pricing:
- Open Source
- Free
#Development Tools #CSS Framework #Developer Tools 76 social mentions
Foundation Landing Page
9

Foundation

The most advanced responsive front-end framework in the world
Pricing:
- Open Source
#Development Tools #CSS Framework #Developer Tools 22 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
Cirrus CSS Landing Page
11

Cirrus CSS

The SCSS framework for the modern web. It's component based, customizable, and completely open source.
Pricing:
- Open Source
- Free
#CSS Framework #UI #Front-End Frameworks
Skeleton CSS Landing Page
12

Skeleton CSS

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