awesome-sass

Sass and CSS style guide by Airbnb.

Guidelines in use at BigCommerce.

Dropbox’s (S)CSS authoring style guide.

Guidelines for writing sane, maintainable and scalable Sass.

Sass mixin for creating angled edges on sections by dynamically encoding SVGs.

Port of Dan Eden's

Lightweight, responsive, Sass-based, BEM-syntax grid system.

Simple and lightweight mixin library for Sass.

1100+ collection of popular brand colors available in Sass, Less, Stylus and CSS.

Breakpoint makes writing media queries in Sass super simple.

Framework for building the foundation for a package based CSS workflow.

Bootstrap version 4, the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects on the web.

Official Sass port of Bootstrap 2 and 3.

Modern CSS framework based on Flexbox.

A component and utility centric SCSS framework designed for rapid prototyping.

The most advanced responsive front-end framework in the world. Quickly create prototypes and production code for sites that work on any kind of device.

Learn Sass with Codecademy.

Learn how to use Sass, from beginner basics to advanced techniques, with online video tutorials taught by industry experts.

Official Sass and SCSS guide.

Official Sass and SCSS Documentation Reference.

SitePoint Sass and SCSS reference.

Learn SASS in 15 minutes tutorial.

Dart implementation of Sass.

Dependency management built for Sass, Less, and CSS.

C/C++ implementation of a Sass compiler.

Binding of libsass for Python.

Node.js bindings to libsass.

Custom node-sass importer for selector specific imports, node importing, module importing, globbing support and importing files only once.

Give your CSS Superpowers!