SafeFinder lets you define model's null_object through simple DSL, and returns it when you can't find a result.

SchemaAssociations extends ActiveRecord to automatically create associations by inspecting the database schema. This is more more DRY than the standard behavior, for which in addition to specifying the foreign key in the migration, you must also specify complementary associations in two model fi...

In an ActiveRecord migration, set the default to create a foreign key and index for all columns that define relatoins.

schema_comments generates extra methods dynamically for attribute which has options.

Adds support for enum data types in ActiveRecord

DCI (data, context and interaction) for Ruby / Rails / ActiveRecord

Use your SQL database to power instant search for your Rails app with materalized views

Easy dump/restore tool for ActiveRecord.

Plain old Ruby for generating primitive data structures from object graphs.

A bridge between using AR and a full blown schema-free db.

Manage model with a period on ActiveRecord.

Create and manage sequential jobs in Sidekiq

Protect from accidentally invoking Sidekiq jobs when there are open database transactions

Simple Role System for Rails Apps

A full-featured library for all them SQS worker needs

A simple SQL builder for generate SQL for non-ActiveRecord supports databases.

Statistic and analysis in Ruby DSL, just as simple as SQL operations in ActiveRecord.

The simplest of ActiveRecord state machines. Intended to be lightweight and minimalistic.

Step workflows for Rails/ActiveRecord

Automatic ActiveRecord caching for small support tables.