Related sites:

• railscasts.com

  Ruby on Rails Screencasts - RailsCasts

  

• rubular.com

  Rubular: a Ruby regular expression editor

• railstutorial.org

  Ruby on Rails Tutorial | Learn Enough to Be Dangerous

  

• hashrocket.com

  Ruby on Rails, Elixir, React and mobile development | Hashrocket

  

• railsware.com

  Agile Ruby on Rails Development and Consulting Company | Railsware

  

• everydayrails.com

  Everyday Rails

  

• netguru.co

  Building software for world changers | Netguru