Ruby/Rails
Ruby on Rails or RoR is a beginner-friendly open source web application framework which runs via the Ruby programming language used for web and apps development. The courses mentioned here utilizes many different ways of learning the Ruby/Rails, through training video tutorials, how-to, etc
List of free online Ruby on Rails Courses
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Rails for Zombies
A video course with interactive labs where you get to test what you learned in each chapter in order to go on to the next chapter. The perfect way to learn Ruby on Rails! You need to know the basics of Ruby before you start though.Visit: http://railsforzombies.org/ -
Try Ruby
An interactive web service that will teach you Ruby (without Rails) through interactive sessions. Perfect for the noobie to get started with Ruby.Visit: http://www.tryruby.org -
Ruby on Rails tutorial
A very extensive and complete (?) tutorial in Ruby on Rails.