Don’t have time or don’t want to install anything but learn the Ruby programming language? Here is a really cool site “Try Ruby!” that gives you a feel of ruby in 15 mins. The interactive online session allows you to experiment ruby statements with the help of self instructing tutorial everything within the browser. No sweat! Once you get a feel of it you can always download Ruby and get going. You can get the author’s book “Whys Poignant Guide to Ruby” to learn more of Ruby.