Integration Test Kit provides a small DSL for defining integration test commands, and an endpoint for calling them locally.

An easy and simple way to keep track of interactions on an ActiveRecord model that would normally require a lot of boolean attributes to make possible.

Interapp is a mountable Rails engine that handles simple and secure inter-app messaging using public key cryptography.

Unintrusive interactive API documentation generator for rails apps

Interests calculator

DSL for top-level, nested, linked CRUD resource endpoints; DSL for Presenters and Acceptors; API Versioning

Internal Affairs integration helper

An engine to manage your assets. It allows you to create/view assets

Intro brings your rails application to new feature introduction and step-by-step users guide

Invitable

If you have a model (User, Account, etc..) and you only want invited people to be allowed creating those resource. Good example is while in beta, invite only account creation.

Adds models and methods to facilitate tracking of views of your models. Models which act_as_viewable have an instance method view! which will record a viewing of a record by the supplied IP address if and only if the IP has not viewed the record in the last n minutes.

iron_cuke provides a set of steps and Cucumber world objects you can use to simulate IronWorker while running cucumber tests.

Creates a trail strong as iron

models, specs of models, and assets for microsites_cluster

Allow any model to become rateable by any other model in your rails app.

Provides a system to track method usage somewhat unobtrusively.

If you want to validate Italian tax Code (Codice Fiscale) or Italian VAT (Partita IVA) then you need this gem.

Wraps API calls to iTrigga applications

Wraps memcached with helpful methods