spotcss
SPOT CSS Framework { Single Place Of Truth Methodology }
clarion
A CSS and Design System Framework for rapidly building applications.
sassysass
Sassy Sass is a CSS architecture scaffolding for Sass.
cep.scss
CEP: Component, Element and Property, a methodology that help you styling single file component.
bem-js
A small jQuery library that helps to create CSS classes according to the BEM methodology.