The document discusses various front-end frameworks for responsive web design. It provides an overview of popular frameworks like Bootstrap, Foundation, Semantic-UI, Pure, Skeleton, Materialize, Material UI, UI Kit, Milligram and Susy. For each framework, it lists key pros and cons, current version, date created, supported browsers and other details. The document encourages readers to learn more about front-end frameworks from blogs and free online resources on the given website.