Default where

Makes ActiveRecord defer/postpone saving the records you add to an habtm (has_and_belongs_to_many) or has_many association until you call model.save, allowing validation in the style of normal attributes. Additionally you can check inside before_save filters, if the association was altered.

The Deferring gem makes it possible to defer saving ActiveRecord associations until the parent object is saved.

Library that includes enums, and rails support for enums and bitfield sets.

An opinionated way of organizing model-view code in Ruby on Rails, based on decorators

Aggregates Delayed::Job jobs into groups with group level management and lifecycle callbacks

Delayed::Job plugin to unlock jobs from dead workers

Allow you to quickly move a long call to background which then executed by resque

flag database records as deleted and hide them from subsequent queries

Adds a new :dependent option for ActiveRecord associations that recursively deletes all dependent records without instantiating them.

A "compiler" for the Delorean programming language

Additional real/virtual attribute change tracking independent of ActiveRecords

Denshobato - private messaging between models

A framework on top of Karafka for Change Data Capture on the model level.

A framework on top of Karafka for Change Data Capture on the model level.

A Ruby gem that implements single-table inheritance (STI) for ActiveRecord models using string, integer and boolean column types.

Messaging system based on the reactor pattern. You can publish messages to a queue and then a demultiplexer runs an event loop which pops items from the queue and hands it over to a dispatcher. The dispatcher hands over the message to the appropriate handler. You can choose your own queueing service.

Framework for using a distributed mutex along with an implementation of a mutex stored on a MySQL database.

This gem is simple Paperclip processor which uses Docsplit to convert uploaded files to pdf, or extract information/thumbnails from them

Dropkiq simplifies the creation of Liquid (from Shopify) expressions. The Dropkiq Ruby Gem automates the maintenance of fixtures within Dropkiq to allow for testing Liquid expressions.