Have you ever thought about giving up sleep for a weekend to participate in one of the Rails Rumbles? If so, it's time to start thinking about putting together a team and coming up with a project idea because the 2008 Rails Rumble is just around the corner.
According the official Rails Rumble blog - the [...]

Community Engine is a free, open source social networking plugin for Rails. All you need to do to add social and community features (e.g. authentication, profiles, blogs, photo management, bookmarks, commenting, forums, friendships) to an existing application is to install the plugin and just a small bit of coding. The plugin was covered on Ruby [...]

Matt Moore has put together a very solid Rails "code quality checklist." Worth a read.

Spree (GitHub repository) is an open source e-commerce platform based on Rails. Envycasts.com provides a good example of it in action.
Spree is Rails 2.1 compatible, distributed as a gem, designed to be very extensible, and includes production ready data models and full administrative interface. The developers stress, however, that you'll still need to do quite [...]

Matthias Georgi gives quick instructions on installing a Ruby and Rails stack using Apache and Passenger on Ubuntu Hardy.

Back in 2005, the first Rails application a novice Rails developer produced was typically a simple blog-like system. This was in no small part thanks to a great screencast produced by David Heinemeier Hansson demonstrating how to create such a system in 15 minutes. Sadly, these screencasts have not been updated to 2008 standards, so [...]

Disclaimer: New Relic sponsors Ruby and Rails Inside. This announcement is not advertorial, however, and is written as objectively as possible. Similar items have been written for non-sponsors, such as this item on Scout.
New Relic is best known as a provider of Rails application monitoring services to large sites - such as all of 37signals' [...]

Obie Fernandez is looking for an expert Web developer for Hashrocket - one of the better known Rails development houses.

An interesting list of Rails tips to wander through.

It seems that some rather good writers have been very busy, because as if from no-where, a whole batch of awesome new Rails manuals (seemingly up to Rails 2.1 standards) have made an appearance at http://guides.rails.info/
There are no credits, but the content is all of a high quality. Including:

Getting Started With Rails - a walkthrough [...]