Ajax module in Vanilla JS. Contribute to fdaciuk/ajax development by creating an account on GitHub. Integrate React.js with Rails views and controllers, the asset pipeline, or webpacker. - reactjs/react-rails Front-end Framework. Contribute to beeblebrox3/star development by creating an account on GitHub. Ruby on Rails, or Rails, is a server-side web application framework written in Ruby under the MIT License. Rails is a model–view–controller (MVC) framework, providing default structures for a database, a web service, and web pages.