Railsify!

Adam Cooke (adam)

Acts as Ferret by Jens Kraemer in ActiveRecord Gem Available!

Acts_as_ferret is a plugin for Ruby on Rails which makes it simple to implement full text search for Rails. It builds on Ferret which is a ruby port of Apache Lucene. It is a technology suitable for nearly any application that requires full-text search. For more information about Ferret, visit its website, search the mailing list at ruby-forum.com or (very recommended) buy the book.

attachment_fu by Rick Olson in Images & Graphics and File Management

attachment_fu facilitates file uploads in Ruby on Rails. There are a few storage options for the actual file data, but the plugin always at a minimum stores metadata for each file in the database.

Blueprint by Ariejan de Vroom (Ariejan) in Images & Graphics, HTML Helpers, and Toolkits

Generate a quick layout (including CSS and images) based on the BlueprintCSS framework.

Flux Validator by Peter Gumeson (gumeson) in Utilities, ActiveRecord, and Miscellaneous

The Flux Validator is a handy, Ajax based form validation plugin for Rails. The Flux Validator auto-magically validates forms against their models and displays a list of error messages for each invalid field, all without a page refresh. The Flux Validator is what makes real-time form validation possible!

Juggernaut by eribium in Miscellaneous

The Juggernaut plugin for Ruby on Rails aims to revolutionize your Rails app by letting the server initiate a connection and push data to the client. In other words your app can have a real time connection to the server with the advantage of instant updates. Although the obvious use of this is for chat, the most exciting prospect is collaborative cms and wikis.

Relative Time Helpers by ActiveReload in HTML Helpers

Display your time/dates as "today", "tomorrow", "yesterday" etc...

validates_email_veracity_of by Carsten Nielsen in Security & Protection and ActiveRecord

This makes it really easy to validate e-mail addresses supplied within Rails applications. It can even check the MX records associated with the e-mail address supplied to see if the domain exists and is accepting mail! Basically, if you care about e-mail address validity, it's a must-install.