Bootstrap is a front-end development framework used to create responsive web applications and websites. It is an open-source platform that provides the basic structure of HTML, CSS, and JavaScript for creating user interfaces. It is designed to enable developers to create web designs that are cross-browser compatible, mobile-friendly, and responsive. Bootstrap is a popular framework used by developers to build responsive websites that can be used on any device or browser. It provides a powerful set of tools and features that can be used to develop custom web applications, mobile apps, and websites. It is often used in conjunction with JavaScript libraries such as jQuery and AngularJS to create rich web applications. It is also used to create user-friendly websites with features such as navigation bars, buttons, carousels, forms, and more. Bootstrap is a versatile and powerful tool used by developers to quickly prototype and develop web applications.
Materialise not only provides a grid system but has amazing colors and features that follow the design guidelines of the material.