Cascading Style Sheets (CSS) is a simple mechanism for adding style (e.g., fonts, colors, spacing) to Web documents.
Cost / License
- Free
- Open Source
Platforms
- Self-Hosted
Apps similar to Sass include CSS, which is free and open source. Other options are Stylus CSS, LESS CSS, PostCSS and Stylable. In total there are five apps like Sass for self-hosting, the web, Mac, Windows and Linux.
Cascading Style Sheets (CSS) is a simple mechanism for adding style (e.g., fonts, colors, spacing) to Web documents.
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.


Less (which stands for Leaner Style Sheets) is a backwards-compatible language extension for CSS. This is the official documentation for Less, the language and Less.js, the JavaScript tool that converts your Less styles to CSS styles.


At Wix, we agree. We ? CSS. It’s simple, declarative syntax that is native in browsers is easily the fastest way to add styles to web pages and web apps. But when writing CSS that is scoped to individual components, developers have to maintain highly-specific selectors, using...