Responsive Grids for Compass
Related Resources
Profound Grid
A responsive grid system for fixed and fluid layouts. Built in SCSS, it gives you flexibility and full control.
Pure CSS
Pure CSS is a set of small, responsive CSS modules that you can use in every web project.
Zurb Foundation Framework
Zurb Foundation claims to be the most advanced responsive design framework in the world. Personally I think they're pretty close to that statement.