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.

Product categories

Browser Extension CSS Framework CSS Tools Dark Mode Design Tools Developer Tools Development Tools JavaScript Framework Javascript UI Libraries React Static Site Generators Website Design

Summary

The top open-source alternatives to PostCSS are Sass, Tailwind CSS, and Stylus. 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
#Developer Tools #Design Tools #CSS Framework 131 social mentions
Tailwind CSS Landing Page
2

Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces.
Pricing:
- Open Source
#Developer Tools #Design Tools #Website Design 868 social mentions
Stylus Landing Page
3

Stylus

EXPRESSIVE, DYNAMIC, ROBUST CSS
Pricing:
- Open Source
#Developer Tools #Browser Extension #Dark Mode 11 social mentions
Bootstrap Landing Page
4

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
Materialize CSS Landing Page
5

Materialize CSS

A modern responsive front-end framework based on Material Design
Pricing:
- Open Source
#CSS Framework #Design Tools #Development Tools 25 social mentions
Semantic UI Landing Page
6

Semantic UI

A UI Component library implemented using a set of specifications designed around natural language
Pricing:
- Open Source
#CSS Framework #Design Tools #Development Tools 17 social mentions
Material UI Landing Page
7

Material UI

A CSS Framework and a Set of React Components that Implement Google's Material Design
Pricing:
- Open Source
#Design Tools #Development Tools #Developer Tools 75 social mentions
Foundation Landing Page
8

Foundation

The most advanced responsive front-end framework in the world
Pricing:
- Open Source
#CSS Framework #Design Tools #Development Tools 18 social mentions
HTML5 Boilerplate Landing Page
9

HTML5 Boilerplate

A rock-solid default for HTML5 awesome.
Pricing:
- Open Source
#CSS Framework #Design Tools #Development Tools 17 social mentions
Skeleton CSS Landing Page
10

Skeleton CSS

A Beautiful Boilerplate for Responsive, Mobile-Friendly Development
Pricing:
- Open Source
#CSS Framework #CSS Tools #Design Tools 17 social mentions
styled-components Landing Page
11

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
#Developer Tools #Design Tools #Javascript UI Libraries 154 social mentions
Next.js Landing Page
12

Next.js

A small framework for server-rendered universal JavaScript apps
Pricing:
- Open Source
#Developer Tools #Web Frameworks #JavaScript Framework 923 social mentions