Sass vs UnoCSS

Overview

Sass

Stacks44.8K

Followers32.2K

Votes3.0K

GitHub Stars15.3K

Forks2.2K

UnoCSS

Stacks10

Followers11

Votes0

GitHub Stars18.2K

Forks936

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Detailed Comparison

Sass	UnoCSS
Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command line tool or a web-framework plugin.	It is the instant atomic CSS engine with maximum performance and flexibility. There are no core utilities - all the functionalities are provided via presets or inline configurations.
-	Fully customizable; No parsing, no AST, no scanning, it's INSTANT (200x faster than Windi CSS or Tailwind JIT); Approximately 3.5kb min+gzip - zero deps and browser friendly; Shortcuts; Pure CSS icons; Code-splitting for CSS - ships minimal CSS for MPA
Statistics
GitHub Stars 15.3K	GitHub Stars 18.2K
GitHub Forks 2.2K	GitHub Forks 936
Stacks 44.8K	Stacks 10
Followers 32.2K	Followers 11
Votes 3.0K	Votes 0
Pros & Cons
Pros 613 Variables 594 Mixins 466 Nested rules 410 Maintainable 300 Functions Cons 6 Needs to be compiled	No community feedback yet
Integrations
No integrations available	Vite Webpack Visual Studio Code

What are some alternatives to Sass, UnoCSS?

Less

Less is a CSS pre-processor, meaning that it extends the CSS language, adding features that allow variables, mixins, functions and many other techniques that allow you to make CSS that is more maintainable, themable and extendable.

Stylus

Stylus is a revolutionary new language, providing an efficient, dynamic, and expressive way to generate CSS. Supporting both an indented syntax and regular CSS style.

PostCSS

PostCSS is a tool for transforming CSS with JS plugins. These plugins can support variables and mixins, transpile future CSS syntax, inline images, and more.

Bourbon

Bourbon is a library of pure sass mixins that are designed to be simple and easy to use. No configuration required. The mixins aim to be as vanilla as possible, meaning they should be as close to the original CSS syntax as possible.

Compass

The compass core framework is a design-agnostic framework that provides common code that would otherwise be duplicated across other frameworks and extensions.

CSS Modules

It is a CSS file in which all class names and animation names are scoped locally by default. The key words here are scoped locally. With this, your CSS class names become similar to local variables in JavaScript. It goes into the compiler, and CSS comes out the other side.

astroturf

It lets you write CSS in your JavaScript files without adding any runtime layer, and with your existing CSS processing pipeline.

PreCSS

It combines Sass-like syntactical sugar — like variables, conditionals, and iterators — with emerging CSS features — like logical and custom properties, media query ranges, and image sets.

Animate.css

It is a bunch of cool, fun, and cross-browser animations for you to use in your projects. Great for emphasis, home pages, sliders, and general just-add-water-awesomeness.