Here are some of the RoR resources from where u can get all the details you want regarding RoR You may add your sites via comments
Main Ruby Site - Official Ruby site. Find a complete list of all documentation, tutorials, news etc.
Ruby Documentation - Ruby documentation site.
Ruby Installation - One-Click Ruby Installer for Windows.
RubyForge - Open source project repository.
Ruby on Rails - Official site for Ruby on Rails.
RubyGems - Download link for RubyGem and other documentation.
Rails APIs - A comprehensive list of Rails APIs
Rails Conf - RailsConf, co-presented by Ruby Central, Inc. and O'Reilly Media, Inc., is the largest official conference dedicated to everything Rails.
Ruby Central - Ruby Central, Inc., is a 501(c)(3) tax-exempt organization, dedicated to Ruby support and advocacy.
MySQL Homepage - Here you can download the latest MySQL release, get the MySQL news update. The mailing list is also a great resources for anyone who want to build dynamic websites using MySQL.