Queryable is a module that encapsulates query building so you don’t have to tuck scopes inside your models.
This module improves eager loading in Mongoid, supporting polymorphic associations, and up to two-levels of eager loading.
Journeyman allows you to define factories with custom build methods, allowing you to easily bend object creation to the nuances of your application and domain. This means you can rely more in Ruby, and less on your ORM.
RequestLocals gives you thread-safe per-request global storage, making it easier to implement factory and singleton patterns.
Context sensitive notifications for Rails, the name and idea originated in a blog article written by Cyril Mottier on Android notifications
Pakiderm is a simple module that encapsulates a modern memoization technique.
Define resources to automate finding a record and assigning attributes.
Redirect AJAX requests without writing a single line of JS code.
Presenter helps you expose view models to your views with a declarative approach.