Dave Thomas, Mike Clark, David Heinemeier Hansson, Leon Breedt, Thomas Fuchs, Andrea Schwarz; Pragmatic Bookshelf, 2006, ISBN 0977616630. Thorough guide, from Agile Programming perspective.

Links to Ruby on Rails scripts, applications, tutorials, books, and websites. [Hotscripts].

Courses: RoR, Advanced Rails, Production Rails, Ajax. Highly qualified instructors.

Integrated development environment, IDE, for RoR framework. Goal: enhance development experience, simplify it by giving one point from which to manage multiple projects, use source control, and deploy applications. Descriptions, documents, downloads, support.

Chad Fowler; Pragmatic Bookshelf, 2006, ISBN 0977616606. Shows how experts have already solved many problems, from latest Ajax effects to development time-saving automation tips.

By David A. Black; Manning Publications, 2006, ISBN 1932394699. Shows what one is doing when writing Rails Web applications, and how Ruby methods expand limits of what can be done in Rails.

RoR home; full stack, Web application framework optimized for sustainable programming productivity, allows writing sound code by favoring convention over configuration. Videos, presentations, books, tutorials, samples, community, downloads. [Open Source, MIT license].

Intensive 5-day course for developers, web designers, project managers interested in creating database-driven web systems. Links to course reviews.