counter_culture provides turbo-charged counter caches that are kept up-to-date not just on create and destroy, that support multiple levels of indirection through relationships, allow dynamic column names and that avoid deadlocks by updating in the after_commit callback.

Adds core features so other engines can hook into the framework.

Plugin for the PaperTrail gem to track and reify associations

Rails I18n: de-facto standard library for ActiveRecord 3 model/data translation

Enable librarians, curators, and others who are responsible for digital collections to create attractive, feature-rich websites that feature these collections.

Provides support for using versioning gems such as PaperTrail with Globalize.

An extension to paper_trail, using this you can fetch actual object who was responsible for this change

Browse, subscribe, view and revert changes to records when using Ruby on Rails 3 and the `paper_trail` gem.

Browse, subscribe, view and revert changes to records when using Rails and the `paper_trail` gem.

Adds archiving functionality to GAKU Engine

Enables users to rollback to any history version recorded by paper_trail. Versions are graphically diff'ed to help with rolling back.

A library for making paper_trail a background process

Allow to track changes of records which done through ActiveAdmin

Good for auditing or versioning for Active Admin

Rails I18n de-facto standard library for ActiveRecord 3 model/data translation.

This is the basic module of Golden Cobra. It offers Devise, ActiveAdmin, an article module, a menu module and global settings for an CMS

Human Readable Change Log for Paper Trail'd data

The peoplefinder provides searchable staff profiles for your organisation. Since it's a rails engine, you can re-skin it for your organisation.

A Rails engine gem for deriving discrete data points from narrative text via natural language processing (NLP). The gem includes a user interface to present the abstracted data points for confirmation/revision by curator.

Library module for Next-L Enju