Packages

CSS & Styling Packages

Styling utilities, CSS-in-JS, and class-composition helpers for building consistent, maintainable interface styling (Tailwind utilities, clsx, cva, Emotion).

55 packages

Packages in CSS & Styling

Showing 55 packages
90Health
Librarynpm

Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces without leaving your markup.

97,279
MIT
Used by 318
92Health
Librarynpm

postcss

A CSS transformation engine that parses styles into an AST, letting JS plugins lint, prefix, and rewrite CSS — the foundation beneath Autoprefixer, Tailwind, and 200+ other tools.

28,981
MIT
Used by 268
42Health
Librarynpm

clsx

A tiny, fast utility for conditionally constructing className strings

9,832
MIT
Used by 237
87Health
Librarynpm

tailwind-merge

Merge Tailwind CSS classes without style conflicts

5,674
MIT
Used by 202
84Health
Librarynpm

Autoprefixer

Parses your CSS and automatically adds vendor prefixes using real-world browser usage data from Can I Use.

22,238
MIT
Used by 192
81Health
Librarynpm

class-variance-authority

A tiny TypeScript utility for building type-safe, variant-driven className APIs on top of clsx.

6,876
Apache 2.0
Used by 172
92Health
Toolnpm

Sass

The reference Dart implementation of Sass, the mature CSS preprocessor that compiles SCSS and indented syntax to standards-compliant CSS.

4,215
MIT
Used by 106
34Health
Librarynpm

tailwindcss-animate

Tailwind CSS plugin for enter and exit animations using utility classes

3,020
MIT
Used by 94
45Health
Librarynpm

next-themes

Perfect dark mode for React and Next.js apps in two lines of code, with zero flash on load.

6,330
MIT
Used by 89
42Health
Librarynpm

tw-animate-css

A pure-CSS, Tailwind CSS v4 compatible replacement for tailwindcss-animate.

795
MIT
Used by 87
60Health
Librarynpm

classnames

A tiny utility for conditionally joining CSS class names together.

17,783
MIT
Used by 67
65Health
Toolnpm

prettier-plugin-tailwindcss

Prettier plugin that automatically sorts Tailwind CSS classes into a consistent order

7,124
MIT
Used by 62
51Health
Librarynpm

Tailwind CSS Forms

A basic reset for form styles that makes form elements easy to override with Tailwind utilities

4,567
MIT
Used by 59
57Health
Librarynpm

Emotion

Performant, flexible CSS-in-JS styling for React with the css prop, theming, and SSR support

18,015
MIT
Used by 56
96Health
Librarynpm

Material UI

A comprehensive React component library implementing Google's Material Design, battle-tested and production-ready out of the box.

98,858
MIT
Used by 31

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers

Search