A IPv4 and IPv6 validator for Rails 3 and 4.

Allow setting mysql driver flags in database.yml for Rails apps.

Splice Engine JDBC adapter for JRuby on Rails.

Presenters for rails.

Adds several different inheritance patterns for use with Rails models and ActiveRecord relations.

Schemaless Mongo ORM for Rails 3.0

Install this gem to use DBF with JRuby on Rails.

Simple OOP-ish tools for Rails

Policy implementation for rails

an attempt to implement actor model within Ruby language and Rails framework.

Simple Rails plugin to restrict system access to authorized users.

A Rails validator based on CanCan.

Rails gem that adds functionality to make Active Record models publishable

A categorizing plugin for Rails Applications

Menus, Links, SEO, Rails

Caching helpers for Rails

Allows methods and attributes of priceability also employing money rails

Logging engine for Ruby on Rails 3

Simple Rails plugin to assign a list of permissions on a resource.

This is not a rails app.