Ruby is a great web programming language because it offers a great feature called Ruby on Rails. It is an open-source web application framework which can be modified, programmers can make necessary changes and can code without feeling restricted. The growing demand for Ruby on Rails has been driven by successful companies who benefit from the speed and agility of building applications in Rails, which results in increased productivity and company growth. It appears that Ruby developers are a must-have skillset for any start-up. Expect Ruby developer demand to continue to boom in coming years.