Software Alternatives, Accelerators & Startups

UnoCSS VS Less

Compare UnoCSS VS Less 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.

Less logo Less

Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node. js and Rhino) or client-side (modern browsers only).
  • UnoCSS Landing page
    Landing page //
    2023-09-02
  • Less 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

Less videos

'Less' author Andrew Sean Greer answers your questions

More videos:

  • Review - Book Review: Less by Andrew Sean Greer, reviewed by Smriti
  • Review - Book Review - Less by Andrew Sean Greer

Category Popularity

0-100% (relative to UnoCSS and Less)
Application And Data
100 100%
0% 0
CSS Framework
26 26%
74% 74
Developer Tools
27 27%
73% 73
Design Tools
20 20%
80% 80

User comments

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

Based on our record, UnoCSS seems to be more popular. It has been mentiond 18 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 / 3 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: over 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: over 1 year ago
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Less mentions (0)

We have not tracked any mentions of Less yet. Tracking of Less recommendations started around Mar 2021.

What are some alternatives?

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

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

Sass - Syntatically Awesome Style Sheets

Svelte - Cybernetically enhanced web apps

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