Responsive website design frameworks are around for last few of years now and Responsive web design or RWD keeps going to be more commonly learned. Generally there are two main forms of frameworks front-end and backend. Frontend frameworks usually utilize for web design and layouts include of a package made up of a structure of files and folders of standard rule.
See Also: Responsive HTML Website Templates
Wee is a lightweight front-end framework for logically building complex, responsive web projects.
Wee Website: Click Here
flexible.gs is a responsive and versatile grid system CSS framework (CSS, Sass, LESS and Stylus).
flexible.gs Website: Click Here
Decorator Website: Click Here
Lost is a SCSS or Stylus fractional grid system designed with calc().
Lost Website: Click Here
RWDGRID is a responsive grid system on the basis of the 960 grid system.
RWDGRID Website: Click Here
Manhattan is a clean, lightweight and customisable CSS grid system.
Manhattan Website: Click Here
Rin is a lean, gulp-based HTML and SASS boilerplate for better front-end coding.
Rin Website: Click Here
Rebar is a brand new Sass
Rebar Website: Click Here
spaceBase is a Sass-based responsive CSS framework.
spaceBase Website: Click Here