Ruby
Ruby Documents

• ruby-doc.org, lots of information and lots of links to more

Reference Manuals

• Ruby Documentation Bundle, from ruby-doc.org
• Ruby 1.6 Built-in library Reference 
• Tar'ed and Gzip'ed reference manual (Ruby 1.4)

Learning Ruby Online

• Programming Ruby (first edition) -- free online book
• Ruby FAQ
• Introduction to Ruby by Daniel Carrera
• why's (poignant) guide to Ruby -- unique and captivating Ruby resource
• Learning to Program: A tutorial for the non-programmer by Chris Pine
• Things That Newcomers to Ruby Should Know by William Djaja Tjokroaminata
• Ruby User's Guide (introductory tutorial)
• RubyBookList 

Other Articles

Would you please tell us if you'll find a magazine with articles about Ruby? mailto:[email protected]

• Programming in the Ruby language part 1, from IBM DeveloperWorks
• Delightful Languages: Ruby(PDF) in The Perl Review Volume 0 Issue 6 (November 1, 2002)
• Ruby: Productive Programming Language, Linux Journal
• Software Development Magazine 12/02
• An interview with the authors of Programming Ruby, at Amazon.com
• The home page forProgramming Ruby, Second Edition (2004)
• Ruby introduction presentation at New York City CTO club by Jim Menard on July 10, 2001.
• Programming in Ruby by Dave Thomas and Andy Hunt (Dr. Dobbs Journal; requires subscription)
• The Ruby Programming Language, from InformIT
• Using MySQL with Ruby, from Kitebird (January 29, 2003)
• Bypassing the GUI in Software Testing and Quality Engineering Magazine: an article about using Ruby to test Word through COM
• Articles published in German computer magazines