@import

breakpoint

Really simple media queries in Sass

Singularity

Grids without limits

toolkit

Toolkit for Responsive Web Design and Progressive Enhancement with Compass

color-schemer

A sassy way to build color schemes

SassyLists

jacket

Conditional Styles with Sass. Dress you CSS appropriately.

animation-studio

Compass extension for creating advanced animations in CSS

Sassy-math

Complex math functions for Sass

node-sass-import-once

Eyeglass style Import Once, but for all the things!

Sassy-Maps

Map helper functions for Sass 3.3 and up

sass-a11y

Accessibility helpers for Sass

Singularity-extras

singularity-extras

SUCKS

It's an idea, it's a way of working, it's full of stars. No really, it's about Sass'd Up Consistently Killer Styles. OOCSS, SMACSS and BEM only take you so far. Let's turn it up to 11 and change the world forever!

Sassy-Strings

Advanced string handling for Sass

Compass-Extension-Template

A generic template for creating a Compass extension

sassytextshadow

Sassy Text Shadow is a Sass mixin that calculates convoluted curvy shadows for css3 text-shadow. It can also be used for box-shadow if you're into that kind of thing.

Style-Sites

A responsive style page for style tiles and generating a style guide

navigator

A Ruby testing framework for Sass with Compass

generator-compass-extension

Yeoman Generator to create Compass Extensions

uikit

Beautiful and flexable UIs with Sass and Compass

canisass

A website to show what features are available in each version of Sass

griddle

Simple set of abstractions for CSS Grid

try

Sass Mixins for designing in the browser

yolo

lulz

Compass-Test-Suite

A generic test suite for Compass extensions

team-sass.github.io

Team Sass Organization