Neat computer programming learning tool for kids (and adults too). Uses Ruby. Windows only, though Mac and Linux versions are forthcoming.

Collection of articles, presentations and discussions on Rails performance.

A blog from the guys at CNET who are behind the Rails deployments like Chow and Chowhound. Tons of helpful tips and advice.

Satish Talim shares many helpful tips and tutorials for Ruby developers.

A good Artikel with an example for sending emails using the SMTP class in Ruby.

Using Windows? Get going with Ruby on Rails quickly with Instant Rails. Just drop in a directory and you're ready to go (no installation!) with Rails, MySQL, phpmyadmin, and more.

RailStat is a real-time web site statistics package which uses Ruby on Rails web application framework. It is based on ShortStat and Pathstats packages.

One RoR coder's Liste of things that Du really, really shouldn't be doing in Ruby on Rails. Interesting read.

Ruby Quiz is a weekly programming challenge for Ruby programmers.

Documentation for Ruby/Tk