LESS LESS extends CSS with dynamic behavior such as variables, mixins, operations and functions. LESS runs on both the client-side (IE 6+, Webkit, Firefox) and server-side... Free Open Source Web No features added Add a feature 25 Like
Sass Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. . Free Open Source Mac OS X Windows Linux Ruby No features added Add a feature 17 Like
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. Free Open Source Mac OS X Windows Linux Web Node.JS No features added Add a feature 11 Like
HTML HTML is the standard markup language used to create web pages and its elements form the building blocks of all websites. Free Open Source Web No features added Add a feature 3 Like HTML is not the same thing as CSS. Not even similar. andros705 • Nov 2017 • 2 agrees and 0 disagrees Disagree Agree
WHATWG Web Hypertext Application Technology Working Group, Maintaining and evolving HTML since 2004. Free Open Source Web Self-Hosted HTML No features added Add a feature 1 Like WHATWG is an organisation. CSS is a language. andros705 • Nov 2017 • 1 agrees and 0 disagrees Disagree Agree WHATWG is the committee that writes the HTML standard. It is not a standard or a software. Guest • Dec 2017 • 1 agrees and 0 disagrees Disagree Agree
