Which language you choose for your project depends on multiple factors: level of support, scalability, availability of libraries, cost of frameworks that can cut down development time, and so on. These days, a lot of companies (both small startups and big, well-established businesses) choose Ruby on Rails as their primary framework for development. https://yalantis.com/blog/why-you-should-write-your-project-with-ruby-on-rails/