Rails way to harness the power of SQL "EXISTS" statement

Add drag and drop reordering to ActiveAdmin tables.

UI interface for rails-settings-cached in active admin

Backported from Rails 5.0 to use with 4.x versions

Rescue from MySQL and Sqlite duplicate errors

Plugin for running methods on ActiveRecord models after record is committed

With Amountable, you can easily attach, organize and sum Ruby money fields to your models without migrating.

Multidb is an ActiveRecord extension for switching between multiple database connections, such as primary/replica setups.

biggs is a small ruby gem/rails plugin for formatting postal addresses from over 60 countries.

Bmg is Alf's relational algebra for ruby, but much simpler and lighter than Alf itself

Bootstrap-ify pagination with Kaminari - Compatible with Bootstrap 2.x, 3.x

Brainstem allows you to create rich API presenters that know how to filter, sort, and include associations.

The spicy feature toggle framework

Sharding and replication support for ActiveRecord

Devise extension that checks user passwords against the PwnedPasswords dataset https://haveibeenpwned.com/Passwords.

Easy role authorization in rails

Add web components to the Rails asset pipeline

A gem that deploys ruby applications on EY Cloud instances

Instruments for Factory Bot

Preload factories (Factory Bot) just like fixtures. It will be easier and, probably, faster!