Store Rails validations as JSON to serve via api and drive complex validation logic.

Noid identifier services for ActiveFedora-based applications.

Plugin for active admin which allows to easy modify I18n translations

Support for binary UUIDs in ActiveRecord

Adapt resque-lock with ActiveJob

Rails engine to register jobs history, adding: job state, error feedback, duration, etc.

Retry failed jobs with an exponential back-off. This gem aims to mimic most of the functionality of Sidekiq's RetryJobs middleware.

ActiveJobTracker provides a way to track the progress of ActiveJob jobs.

Generates action methods to provide clean tables.

Applications that have complex email sending logic have DRYness problems. ActiveMailer solves that by making a legitimate email model where all sending logic belongs. It is also capable of acting as an audit trail for email sending.

Pulled out of a bigger codebase. Still not ready to be easily reused!

Provides an ActiveModel::FormObject module that can be included into a PORO. A Rails Generator for Form Objects is included in the Gem.

ActiveMongoid facilitates usage of both ActiveRecord and Mongoid in a single app by providing an inteface for inter-ORM relations.

Redirect all SELECT queries to a separate connection within a block

This gem adds custom block expectation matchers for RSpec, such as `expect { ... }.to create_a_new(User)`

ActiveRecord::Commentator adds execute location (filename, line-number and method-name) as SQL comment that invokes SQL statement.

cursor pagination for ActiveRecord

This gem automatically logs SQL EXPLAIN of every queries. You can check naturally every SQL EXPLAIN from development log, without manually executions.

In ActiveRecord, allows you to query the association of the records that your current query would return. If you need the comments of some posts: `Post.where(...).follow_assoc(:comments)`. You can then chain `where` on the comments.

Efficient Rails group count if you need the summed up count instead of the hash. Can be used with Kaminari to speed up total_pages and total_count.