dbbrowser - database browser (connections, schema, tables, records, etc.) as mountable web app

Automatically tests your Rails app for common database query mistakes

Obtain manual db locks to guard blocks of code from parallel execution.Supports mysql, postgres and ms-sql-server.

Dead-simple gem for Rails 5 that allows to switch between database connections on-the-fly

Set default values for ActiveRecord attributes

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

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.

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.