Ruby is…
A dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write.
Ruby Programming Languagehttp://www.ruby-lang.org
Try Ruby! in your browser
http://tryruby.hobix.com/
Ruby-Doc - Help and documentation for the Ruby programming language.
http://www.ruby-doc.org/
RDoc - Documentation from Ruby Source Files
http://rdoc.sourceforge.net/
Ruby-Forum
http://www.ruby-forum.com/
RubyForge is a home for open source Ruby projects
https://rubyforge.org/
Rubular - a Ruby regular expression editor
http://www.rubular.com/
RMagick - Graphics Processing for Ruby and Ruby on Rails
http://rmagick.rubyforge.org/
REXML: Processing XML in Ruby
http://www.xml.com/pub/a/2005/11/09/rexml-processing-xml-in-ruby.html
JSON implementation for Ruby
http://json.rubyforge.org/
MySQL API Module for Ruby
http://www.tmtm.org/en/mysql/ruby/
Ruby on Rails
http://rubyonrails.org/
Rails Framework Documentation
http://api.rubyonrails.org/
Railscasts - Free Ruby on Rails Screencasts
http://railscasts.com/
Crossing borders: Ajax on Rails
http://www.ibm.com/developerworks/java/library/j-cb12056/?S_TACT=105AGX52&S_CMP=cn-a-j
