React Bootstrap - The most popular front-end framework
React Bootstrap is a react UI component library that retains its Bootstrap core. This amazing UI kit gives more power over the form and function of each component. Moreover, React Bootstrap UI kit follows Bootstrap’s JavaScript with React. Also, Every component is developed to be quickly accessible, important for front-end framework building. Also, this UI Kit comes with thousands of bootstrap themes, and developers can choose from these themes easily and effortlessly. On Github, React Bootstrap earned 14500+ stars and it seems quite popular.