Mongoid to ActiveRecord belongs to assocations with eager-loading

Provides a straightforward way for auditing changes on active record models, especially for composite entities. Also provides helper methods for easily rendering an audit trail in Ruby on Rails views.

Convert MongoDB query to Arel for MySQL. Forked from miyagawa/mongery

PaperTrail DropIn replacement to store version in MongoDB

Rails specific I18n model localization meant to tie-in to existing ActiveRecord models, ala Globalize2, backed by MongoDB rather than an RDBMS. May include UI elements, too.

It is a gem for Fabio

Monocle helps you manage your DB views.

month_constrain is a re-implementation of acts_as_month_constrain for Rails 4, and 5.

Import translations for Model from SCV file using Globalize3

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

A library for writing tests for your Camping app.

Adds an instance method to a active record model that returns the most related models based on associated models in common

ActiveRecord extension to use connections to multiple databases

A software model in Ruby for the greenhouse gas emissions of an motorcycle

Adds a settings class to a rails app. The settings are mournful because they can be stored encrypted. Aren’t puns wonderful.

This gem extends ActiveRecord to move associated records based on has_many and has_one associations.

A helper for building scopes that deal with moving windows.

multipluck helper for Rails 2 and 3

Model-record pattern

Give each git branch its own databases for ActiveRecord.