JavaScript CSS / Style

Open-source JavaScript projects categorized as CSS / Style
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Top 7 JavaScript CSS / Style Projects

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CSS / Style

  1. classnames

    A simple javascript utility for conditionally joining classNames together

  2. Puter.js

    Puter.js - The Backend for AI-Generated Apps. One-shot full-stack apps with your existing AI coding tool. Puter.js gives you Auth, Storage, DB, AI & more, with up to 90% fewer AI tokens than other backend platforms.

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  3. react-container-query

    :package: Modular responsive component

  4. react-css-components

    Define React presentational components with CSS

  5. postcss-js

    PostCSS for React Inline Styles, Free Style and other CSS-in-JS

  6. inline-style-prefixer

    Autoprefixer for JavaScript style objects

  7. stilr

    Encapsulated styling for your javascript components with all the power of javascript and CSS combined.

  8. react-inline-css

    🌳 Write CSS inside your React components!

  9. AppSignal

    AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.

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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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JavaScript CSS / Style related posts

  • From scratch: Build a CSS Animated React Carousel Component

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  • Simplify Your Tailwind CSS Workflow with tailwind-fun

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  • A note from our sponsor - AppSignal
    www.appsignal.com | 9 Aug 2026
    Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise. Learn more →

Index

What are some of the best open-source CSS / Style projects in JavaScript? This list will help you:

# Project Stars
1 classnames 17,787
2 react-container-query 890
3 react-css-components 673
4 postcss-js 669
5 inline-style-prefixer 393
6 stilr 236
7 react-inline-css 169

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