See also:
Learning Ruby By Daniel Carrera. Introduces programming, Ruby, assumes familiarity with computers in Unix X Terminal environment, but not Ruby; simple descriptions, many screenshots. Unfinished, but well done and useful for what is done. http://www.math.umd.edu/~dcarrera/ruby/0.3/
Phrogz By David Thomas and Andrew Hunt. Offers a beginner guide to start with the language. http://phrogz.net/ProgrammingRuby/
Ruby Embedded into C++ Describes how to embed Ruby interpreter in C++, gives skeleton to build on, treats concepts of embedding, advanced topics like SWIG. Descriptions, code, diagrams, links, news. http://metaeditor.sourceforge.net/embed/
Ruby FAQ Questions and official answers on Ruby. http://www.rubycentral.com/faq/
Ruby Programming IBM developerWorks group space: articles, podcasts, RSS feeds, courses. http://www.ibm.com/developerworks/spaces/ruby
Ruby Tips Provides coding tips for the language's users. http://www.rubytips.org
Ruby User's Guide Original Japanese version by matz. First English translation by GOTO Kentaro and Julian Fondren. Further translation and editing by Mark Slagell. http://www.rubyist.net/~slagell/ruby/
RubyCocoa Resources Documentation and examples, as digital books, for RubyCocoa, a bridge between Ruby and Objective-C, a way to make desktop programs with Ruby. http://www.rubycocoa.com/
Ruby-Doc.org Ruby documentation project: links and downloads of programming information, on many aspects of Ruby. http://www.ruby-doc.org/
RubyLearning.com Set of thorough study notes, and class, for those new to Ruby and meeding a solid introduction to its concepts and constructs. By Satish Talim. http://rubylearning.com/
Try Ruby Beginner's basic tutorial, online, interactive, works in Web browser, has Ruby interpreter above with lessons below. http://tryruby.hobix.com/
Usenet comp.lang.ruby - news: