Deploying Ruby on Rails - join
Discussions related to deploying and hosting web applications built with Ruby on Rails.
Low activity, 1315 members

Ruby on Rails: Core - join
Discussion list for Ruby on Rails core development.
Medium activity, 3349 members

Ruby on Rails: Talk - join
The official mailing list for the Ruby on Rails project. Where Rails users come to seek help, announce projects, and discuss all kind of matters surrounding the framework and the community.
High activity, 19301 members

Ruby on Rails: Security - join
Security annoucements for Ruby on Rails.
Low activity, 2565 members

Liquid Templates - join
Developer, user, integration and design discussion sourrounding Liquid a non evaling and safe but powerful template engine for super customizable modern web application which powers applications such as Shopify, Mephisto and Stikipad
Low activity, 342 members

UJS4Rails - join
A group to discuss the UJS4Rails plugin (www.ujs4rails.com), request features, discuss usage and ask for help. Remember...bugs should still be posted on Trac (trac.ujs4rails.com).
Low activity, 186 members

acts_as_cached - join
A discussion group for the acts_as_cached Rails plugin. memcached and related topics abound.
Low activity, 185 members

Ruby on Rails meets the Legacy World - join
A mailing list for Ruby on Rails developers who are working with legacy databases and environments.
Low activity, 72 members