Death and Taxes allows to 'easily' calculate taxes on a model

Double Entry Bookkeeping for Rails

Ensure that all values in an enum are covered

Decent is a command line application for managing cryptocurrency holdings.

Functional Event Sourcing Decider in Ruby

DeclarativeGrid is a gem for rendering grids described in simple DSL

Use deep_pluck as a shortcut to select one or more attributes and include associated models without loading a bunch of records. And DRY up your code when using #as_json. Added a filter for graphql_rails_api gem

Explicit preloader for ActiveRecord

searches dict.org for a definition, and stores results locally so subsequent searches will be cached

Mark and maintain default ActiveRecord records.

RSpec matchers for default_value_for gem.

Stop using HTTP Authentication and just use the simple AdminUser class. Includes the option to provide more granular control over your resources

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

defer your after commit callbacks to sidekiq

run delayed_job workers in multiple threads within a single process

Implement DelayedJob hook methods in multiple modules/job classes without overriding previous definitions.

manipulate and view delayed_job information in your app.

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

Provides a module, which logs useful stuff about your Delayed Jobs in JSON format