Related sites:

• ruby-doc.org

  Ruby-Doc.org: Documenting the Ruby Language

  

• rubylearning.com

  Ruby Tutorial - Learn Ruby

  

• rubies.com

  Rubie's - World's Largest Costume Manufacturer & Supplier

  

• nationalhardwareshow.com

  National Hardware Show, May 5-7, 2020 - Las Vegas - NationalHardwareShow

  

• rubi.com

  RUBI® Tools Official Site | RUBI tile cutter experts | RUBI

  

• ruby.or.jp

  Ruby Association

  

• rubyribbon.com

  Ruby Ribbon