Software Alternatives & Reviews

UnoCSS VS Sass

Compare UnoCSS VS Sass and see what are their differences

UnoCSS logo UnoCSS

The instant on-demand atomic CSS engine. Contribute to unocss/unocss development by creating an account on GitHub.

Sass logo Sass

Syntatically Awesome Style Sheets
  • UnoCSS Landing page
    Landing page //
    2023-09-02
  • Sass Landing page
    Landing page //
    2021-09-19

UnoCSS videos

UnoCSS - 1 - An all-in-one atomic CSS engine!

More videos:

  • Review - UnoCss: A CSS Engine That Will RULE Them All!!!
  • Review - Anthony Fu - Vue, Vite, Vitest, UnoCSS

Sass videos

The Armalite AR10 Super SASS

More videos:

  • Review - Armalite Super SASS
  • Review - M110 SASS to 800yds: Practical Accuracy (Leupold Mk4, US Sniper Rifle)
  • Review - Anatomy of the Semi Automatic Sniper System (SASS): Featuring the Lone Star Armory TX10 DM Heavy
  • Review - ArmaLite XM110 Rifle to AR10 Super SASS

Category Popularity

0-100% (relative to UnoCSS and Sass)
Developer Tools
10 10%
90% 90
Application And Data
100 100%
0% 0
CSS Framework
8 8%
92% 92
Design Tools
0 0%
100% 100

User comments

Share your experience with using UnoCSS and Sass. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Sass should be more popular than UnoCSS. It has been mentiond 131 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

UnoCSS mentions (18)

  • Tailwind CSS v4.0.0 Alpha
    I wish tailwind would support attributify like https://github.com/unocss/unocss. - Source: Hacker News / 2 months ago
  • Microframework CSS
    What about a atomic CSS engine instead? UnoCSS. Source: about 1 year ago
  • Nuxt 3, UnoCSS and Preset rem to px
    This post is about generating px units by default in UnoCSS when used in Nuxt 3. - Source: dev.to / about 1 year ago
  • I made significant progress on my "Tailwind Improved" documentation
    You can find the page from the screenshot here. It is the documentation of Windblade, a Tailwind-inspired UnoCSS preset with a couple of improvements that I'm building. Source: about 1 year ago
  • tailwind + vue + dynamic classes
    Another option you have is to use UnoCSS browser runtime whit preset-wind that replicates Tailwind but this will put quite a strain on the performance and complicate your project architecture. This is mean mainly for dynamic documentation or visual editors. I am building an UnoCSS preset that uses this in it's documentation. I am planning to add the ability to view other UnoCSS preset in this documentation in the... Source: about 1 year ago
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Sass mentions (131)

  • Future of CSS: Functions and Mixins
    Traditionally CSS lacked features such as variables, nesting, mixins, and functions. This was frustrating for Developers as it often led to CSS quickly becoming complex and cumbersome. In an attempt to make code easier and less repetitive CSS pre-processors were born. You would write CSS in the format the pre-processor understood and, at build time, you'd have some nice CSS. The most common pre-processors these... - Source: dev.to / 3 months ago
  • Top 20 Frontend Interview Questions With Answers
    CSS stands for Cascading Style Sheets, and is a scripting language used to style web pages. SCSS stands for Syntactically Awesome Style Sheet, and is a superset of CSS. You can think of SCSS as the more advanced version of CSS, which comes with several features that CSS does not support, such as the SCSS nested syntax, as shown below. - Source: dev.to / 3 months ago
  • Modern CSS for 2024: Nesting, Layers, and Container Queries
    In the past, you’d need to rely on pre-processors such as SaSS or Less, but not anymore… Native CSS nesting has landed on all major modern browsers. - Source: dev.to / 4 months ago
  • 45 NPM Packages to Solve 16 React Problems
    Sass -> An improvement over CSS. It provides nice features for managing CSS. Good for mid-sized or even larger projects. - Source: dev.to / 6 months ago
  • Best Resources For Web Developers 💻 [HTML + CSS + JavaScript]
    Sass (Syntactically Awesome Style Sheets) - A CSS preprocessor that simplifies and enhances your CSS workflow. Website: https://sass-lang.com/. - Source: dev.to / 6 months ago
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What are some alternatives?

When comparing UnoCSS and Sass, you can also consider the following products

Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.

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.

React.run - Quick in-browser prototyping for React Components!

Stylus - EXPRESSIVE, DYNAMIC, ROBUST CSS

Svelte - Cybernetically enhanced web apps

React - A JavaScript library for building user interfaces