ActsAsIndexable is a Rails engine that provides a configurable DSL for rendering tables in index views of your application. It works with any collection of enumerable objects, ActiveRecord or otherwise.

Description of ActsAsInterval.

Uses the closure tree pattern with a scope field to maintain separate hierarchies

This 'acts_as' extension provides the capability for having previous next methods for object. Previous & next are based on a specified column (default is id).

Acts as published beahviour for active record models.

A rails plugin use redis to sort models on real time.

Add the ability to give star ratings to various models.

Rails injectable Redis-backed activity stream system. This is an alpha release of code that I just wrote and put into production on 3/11/12. Send feedback and post bugs to the Github page, but use at your own risk!

A rails engine that lets you mount a job search engine

Multiple tokens for Rails application.

Allows models to issue warnings if a task goes wrong

Allows for arbitrary permissions on arbitrary collections of objects, rather than system-wide role based management

Addressbook cloud interface.

Adhocracy is group management engine for Rails.

Simple admin interface for Ruby on Rails applications.

A rails engine for adding admin functionality.

Gem for adding advanced features into ActiveRecord

Monitoring UI for Æternitas

Inspects the user agent for you and allows you to take action based on the users browser, if it is a detectable bot with one-line-helpers.

Ajax Validator is a Rails engine that allows to validate form fields.