What is Ruby on Rails mainly used for?

Ruby on Rails is a framework for developing mostly web applications. It focuses on convention over configuration and will be good for rapid development, keeping in consideration the cleanliness of the code and being maintainable. Rails is very famous for startups and small- to mid-sized web applications, thanks to its capabilities for quick prototyping and handling most of the general web development tasks such as database management, routing, and authentication. It finds high usage for e-commerce platforms, content management systems, and social networking sites.