Deforest tracks the number of times your model methods are called and presents it in digestable way. You can analyse and use this data to remove unused features/code

A Rails engine which can be used to access details of the last email when loaded into an application

A Rails engine which can be used to activate and deactivate feature toggles

A Rails engine which can be used to mock external services when loaded into an application

A gem to allow deidentification of certain fields

Sets up god/resque/redis configuration for any app using resque-based gems at Revolution Prep.

Kafka libraries for Ruby.

Remember your object after a redirect

Dekiru::DataMigration provides features for data migration tasks including progress display, transaction management, execution confirmation, side effect monitoring, and detailed logging.

https://github.com/trobrock/delayable

This gem provides three convenient methods for common CRUD operations: `delayed_create`, `delayed_update` and `delayed_destroy` as preconfigured `sidekiq` background job for Ruby on Rails applications.

Allows going through delayed job queues using threads instead of processes

run delayed_job workers in multiple threads within a single process

manipulate and view delayed_job information in your app.

Adds job groups to delayed_job_mongoid

Delayed_job (or DJ) encapsulates the common pattern of asynchronously executing longer tasks in the background. It is a direct extraction from Shopify where the job table is responsible for a multitude of core tasks. This gem is collectiveidea's fork (http://github.com/collectiveidea/delayed_job).

Migrate handler of text column to json column for delayed_job

Gem that adds the ability to prevent duplicate delayed jobs from being created.

In conjunction with capistrano-maintenance, stop delayed jobs during maintenance

A simple delayed_job master process to control multiple workers