References or tutorials for the Ruby programming language.

• Why’s (Poignant) Guide to Ruby -
• try ruby! (in your browser) -
• Programming Ruby: The Pragmatic Programmer’s Guide (frames) -
• Ruby Cheatsheet -
• Learn to Program, by Chris Pine -
• Things That Newcomers to Ruby Should Know -
• The Unofficial Ruby Usage Guide -
• Ruby QuickRef -
• The Ruby FAQ -
• Programming Ruby: The Pragmatic Programmer’s Guide (with index -
• Ruby Quiz – Weekly programming challenge for Ruby programmers in the spirit of the Perl Quiz of the Week.
• Programming Ruby: The Pragmatic Programmer’s Guide -
• Ruby Class and Library Reference -
• Learning Ruby -
• The Ruby Language FAQ -
• Ruby user’s guide -
• Introduction to Ruby -
• Ruby Home Page -
• Zamplized Ruby User’s Guide -
• Ruby Forum -
• RedHanded-Daily Ruby news and more -
• Home for open source Ruby projects -
• JamisBuck blog – Category Ruby -
• Ruby Weekly News -
• RDE(Ruby Development Environment) -
• Ruby Course (pdf) -
• Programming Language Examples Alike Cookbook for Ruby -
• Ruby Forums -
• Syntax across languages -
• Code snippets -
• RubyOnlineCookbook – code snippets -
• Regex code snippets -
• Want to learn how to speak Spanish? The easiest way to learn how in the least amount of time -
• O’Reilly code snippets -
• Vim Extensions for Ruby -
• An Invitation to Ruby -
• Ruby Hacking Guide – Book that explains how internally works the ruby interpreter (trasnlation in progress).
• Comparison of ruby and python line by line -
• Ruby-Doc.org -
• Ruby Garden Wiki -
• Ruby groups on gmane.org -
• comp.lang.ruby via google groups -
• FreeRIDE, an IDE for the Ruby programming language – Written in ruby.
• Ruby on dmoz.org -
• Russ Olsen’s Weblog. Category Ruby -
• Ruby FAQ -
• comp.lang.ruby FAQ -
• comp.lang.ruby FAQ -
• Programming in the Ruby language (IBM) -
• Rich Kilmer’s blog – Category Ruby -
• Loud thinking blog – Category Ruby -
• Ruby Application Archive -
• Using MySQL with Ruby -
• Ruby Wikibook -
• Why You Might Want to Try Ruby -
• Ruby, an Introduction -
• Vim Ruby Support -
• Mondrian Ruby IDE – A Development Tool for Ruby (MIT licence)
• eigenclass.org is a Ruby-centric blog and a repository – eigenclass.org is a Ruby-centric blog and a repository of information and code. eigenclass.org concentrates on non-trivial Ruby code and culture. You’ll find here:
• Building with Rake -
• SWIK -Ruby Community driven resource -
• Some examples -
• Numerical Ruby – For extensive numerical computations
• Building with Rake -

Any suggestions, ideas? Feel free to comment on this article!