Zurb Foundation is a responsive front-end framework designed to help developers create websites and applications quickly and efficiently. It provides a set of pre-designed components, such as buttons, forms, and navigation menus, which can be easily customized to fit different design needs. The framework is built with mobile-first principles, ensuring that websites look good on all devices, from smartphones to desktops. Foundation also includes a grid system that allows for flexible layouts, making it easier to organize content. Additionally, it offers various tools and plugins to enhance functionality, such as JavaScript components for modals and tooltips. Overall, Zurb Foundation streamlines the web development process.