CommunityEngine is a free, open-source social network platform for Ruby on Rails applications. Drop it into your new or existing application, and you’ll instantly have all the features of a basic community site.

Calagator is an open source community calendaring platform

Calagator is an open source community calendaring platform

OpenConferenceWare is an open source web application for events and conferences. This customizable, general-purpose platform provides proposals, sessions, schedules, tracks and more.

IRC bouncer with multi-client support

Tracks and logs events and sends notifications of events on Active Record models.

See README for details.

Active Record (~>3.1) plugin which allows you to hide and restore records without actually deleting them. Check its GitHub page for more in-depth information.

Adds support for ActiveModel Observers

Description of ThinkFeelDoEngine.

ORM extension to track model changes. It also support keeping record of who made the changes and why.

Adva CMS

Adva Activity

Logs of model changes, including nested attributes.

An Object Relational Mapping library for CQL3

Gem adds yax to site

A new catarse integration with mailchimp

Adds discard callbacks to Rails observers.

An open source, Ruby on Rails customer relationship management platform

Feeder gives you a mountable engine that provides a route to a feed page in your Ruby on Rails application.