Extend ActiveRecord pluck to return hash instead of an array. Useful when plucking multiple columns.

Manage money in Shopify with a class that wont lose pennies during division!

Create temporary table-backed ActiveRecord models for use in tests

ThumbsUp provides dead-simple voting capabilities to ActiveRecord models with karma calculation, a la stackoverflow.com.

Idempotent operations for Rails apps, built on top of ActiveJob.

Rails integration for BreezyJS

UNIONs in ActiveRecord! Adds proper union and union_all methods to ActiveRecord::Relation.

ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cases, like `validates_uniqueness_of` it executes additional SQL query to the database and that is not very efficient. The main goal of the gem is to provide compatibility between database constraints and ActiveRecord validations with better performance and consistency.

erd engine on Rails

Makes integrating filepicker.io with rails 4 easy

Define methods for accessing translated attributes

Best practice is to send text/plain && text/html markdown works great for both, so why write your templates twices?

Sometimes we have to write some Rails code in the migrations and it's hard to keep them in working state because models wich are used there changes too often. there some techniques which help to avoid these pitfalls. For example, define model classes in the migrations or write raw SQL. But they don't help in 100% cases anyway. This gem promises to solve the problem in a simple way.

Rails gem for dynamically adding and removing nested has_many association fields in a form. Uses jQuery and supports multiple nesting levels. Requires Ruby 1.9+ and the asset pipeline.

Rails extensions for using Roar in the popular web framework.

It allows an application to have many different ways of rendering static assets and dynamic views.

Rich text editor for Active Admin using wysihtml5.

Compatible migration file between Rails 4.2 and 5+

Administrate fields for active storage

Use this module to defer actions to the after-commit hook. This is useful if you want to trigger actions in after_create, after_destroy and after_update callbacks but want to execute them outside of the transaction (for example, to avoid deadlocks).