CSS Pre-processors / Extensions Software

Syntatically Awesome Style Sheets

Animate.css is a cross-browser library of CSS animations.

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).

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

Application and Data, Languages & Frameworks, and CSS Pre-processors / Extensions

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.

EXPRESSIVE, DYNAMIC, ROBUST CSS

autoprefixer - Parse CSS and add vendor prefixes to rules by Can I Use

Bourbon - A simple and lightweight mixin library for Sass / CSS.

The easiest way to get and edit the CSS of any website, live

Compass is an open-source CSS Authoring Framework.

Empowering agents with technology to better serve all of your real estate needs.

Give your team a clear path to success. Compass is a web-based platform teams use to streamline their workflows and business processes.