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What is 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.
Less is a tool in the CSS Pre-processors / Extensions category of a tech stack.
Less is an open source tool with 16.3K GitHub stars and 3.5K GitHub forks. Here鈥檚 a link to Less's open source repository on GitHub

Who uses Less?

Companies
665 companies reportedly use Less in their tech stacks, including Accenture, Typeform, and Patreon.

Developers
921 developers on StackShare have stated that they use Less.
Private Decisions at about Less

Here are some stack decisions, common use cases and reviews by members of with Less in their tech stack.

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LessLess

Less is imported to handle the web-component-liked styling. Less

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Giovanni Candido da Silva
Giovanni Candido da Silva
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LessLess

Customise the UIkit Front-End Framework, because of that is used to create the application CSS. I prefer SASS but is equivalent. Less

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LessLess

CSS + LESS. Less

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Romans Malinovskis
Romans Malinovskis
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LessLess
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Robert Brown
Robert Brown
Co Founder at University of Cincinnati | 1 upvotes 0 views
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on
LessLess

For CSS styling. Not required, but may use down the road. Less

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Oded Arbel
Oded Arbel
CTO at Cloudonix LTD. | 1 upvotes 0 views
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on
LessLess

Client UI Less

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Public Decisions about Less

Here are some stack decisions, common use cases and reviews by companies and developers who chose Less in their tech stack.

ReactQL is a React + GraphQL front-end starter kit. #JSX is a natural way to think about building UI, and it renders to pure #HTML in the browser and on the server, making it trivial to build server-rendered Single Page Apps. GraphQL via Apollo was chosen for the data layer; #GraphQL makes it simple to request just the data your app needs, and #Apollo takes care of communicating with your API (written in any language; doesn't have to be JavaScript!), caching, and rendering to #React.

ReactQL is written in TypeScript to provide full types/Intellisense, and pick up hard-to-diagnose goofs that might later show up at runtime. React makes heavy use of Webpack 4 to handle transforming your code to an optimised client-side bundle, and in throws back just enough code needed for the initial render, while seamlessly handling import statements asynchronously as needed, making the payload your user downloads ultimately much smaller than trying to do it by hand.

React Helmet was chosen to handle <head> content, because it works universally, making it easy to throw back the correct <title> and other tags on the initial render, as well as inject new tags for subsequent client-side views.

styled-components, Sass, Less and PostCSS were added to give developers a choice of whether to build styles purely in React / JavaScript, or whether to defer to a #css #preprocessor. This is especially useful for interop with UI frameworks like Bootstrap, Semantic UI, Foundation, etc - ReactQL lets you mix and match #css and renders to both a static .css file during bundling as well as generates per-page <style> tags when using #StyledComponents.

React Router handles routing, because it works both on the server and in the client. ReactQL customises it further by capturing non-200 responses on the server, redirecting or throwing back custom 404 pages as needed.

Koa is the web server that handles all incoming HTTP requests, because it's fast (TTFB < 5ms, even after fully rendering React), and its natively #async, making it easy to async/await inside routes and middleware.

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Julien DeFrance
Julien DeFrance
Principal Software Engineer at Tophatter | 6 upvotes 45.6K views
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BootstrapBootstrapLessLessSassSass
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Which #GridFramework to use? My team and I closed on Bootstrap !

On a related note and as far as stylesheets go, we had to chose between #CSS, #SCSS, #Sass , Less Finally opted for Sass

As syntactically awesome as the name announces it.

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Zarema Khalilova
Zarema Khalilova
Frontend Team Lead at Uploadcare | 3 upvotes 18.1K views
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SassSassLessLessPostCSSPostCSS
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We in our #Frontend team prefer to use the modern and clean syntax of #CSS instead of Sass or Less. On bundle step, we use post-processing by PostCSS to add prefixes, minify code, uploading assets and more. PostCSS get CSS more powerful, it鈥榮 a fantastic tool.

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Sunny Singh
Sunny Singh
Co-founder and Lead Developer at Ninjality | 1 upvotes 4.1K views
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LessLess
at

We use Less to organize our CSS code with imports, variables, mixins, and more. Less

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Romans Malinovskis
Romans Malinovskis
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on
LessLess
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papaver
papaver
captain of a starship at electronic dreams | 1 upvotes 3.6K views
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on
LessLess

love me some less. been less styling for around 3 years. makes working with bootstrap and responsive website a breeze. so much power in the language. Less

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Less Alternatives & Comparisons

What are some alternatives to Less?
CSS 3
CSS3 is the latest evolution of the Cascading Style Sheets language and aims at extending CSS2.1. It brings a lot of long-awaited novelties, like rounded corners, shadows, gradients, transitions or animations, as well as new layouts like multi-columns, flexible box or grid layouts. Experimental parts are vendor-prefixed and should either be avoided in production environments, or used with extreme caution as both their syntax and semantics can change in the future.
Sass
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.
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.
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.
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.
See all alternatives

Less's Followers
1036 developers follow Less to keep up with related blogs and decisions.
Francisco Flores
Matthew Malone
Anja Tomic
Dan Arad
Joao Claudio de Macedo Pavani
Sora Dimichi
jul sunday
Steffie Harner
Jeremy Lam
Ethan Kennedy