Why Learn Ruby on Rails? As one of the most powerful ways to quickly develop web applications, Ruby on Rails has a high relevance and demand in today’s marketplace. Companies like Airbnb, Fab.com, Hulu, and even Codecademy, have built their products using the Rails framework. Building with Rails also offers a good opportunity to put into practice the other skills you’ve learned so far—from implementing static webpages with HTML and CSS to using programming concepts like object-oriented programming. Take-Away Skills: Build 8 full-fledged web applications with Rails, one of the most popular and easy to use web application development frameworks. By the end of the course, you will be familiar with Rails core concepts, like the MVC design pattern, and how to communicate with databases to persist data. Rails is a Ruby-based framework, and builds off knowledge from the Ruby course.