Single table inheritance mechanism built on integer types

after_commit is an ActiveRecord gem to add an after_commit callback. This can be used to trigger things only after the entire transaction is complete.

A gem to follow, follow request and block between any ActiveRecord models.

Internal Affairs integration helper

Zero-config internationalization for ActiveRecord models using JSON columns. No JOINs, no N+1 queries, just fast inline translations. Supports SQLite, PostgreSQL, and MySQL.

Module to provide helper methods for interpreting American formatted date strings.

InterstateMachine is a simple state machine which use interactors to trigger transitions

InTimeScope provides time-window scopes for ActiveRecord models.

Finds invalid ActiveRecord entries and reports them

A gem that lets you control the flow of products, and orders through invoices

Adds the :inverse option to Active Record associations for Active Record 2.3.0 -- 2.3.5.

Allows ActiveRecord to hide record data without deleting anything.

Allows ActiveRecord to hide record data without deleting anything.

A magic for life developer.

IP address - integer conversion and activerecord support for ip attribute as integer column

ipcauthpipe gem implements Courier's authpipe protocol to interface Courier POP/IMAP server with Invision Power Board / Converge members database.

A gem to integrate the IPligence database in ruby

This gem allows ActiveRecord models to generate, validate, and clear OTP codes with an expiration time.

When object factories don't work because your data is too complex and creating manual fixtures is cumbersome and brittle: Iron Fixture Extractor (for Rails/ActiveRecord)

Wires up ActiveRecord to use SQLServer through IronRuby.