This gem make easier to building modern web 2.0 portals using Ruby on Rails.

Presenters for rails.

Create previews of ActiveRecord objects that don't modify the database

Using this gem, ActiveRecord's JSON attribute is deserialized into HashWithIndifferentAccess.

Test harness for BaseWithoutTable migration to Rails 5

Batch up your ActiveRecord "touch" operations for better performance. All accumulated "touch" calls will be consolidated into as few database round trips as possible.

Several small active record modules to empower models in a simple way.

A gem that makes better dependent error messages telling exactly which relationship tree failed with which ID's.

This gem extends cashier with possibility to add AR objects and classes as keys and automaticaly hook with AR to clean up this keys on object change/deletion

Easily create ActiveRecord date range scopes

Handling dynamic scope for ActiveRecord.

A gem to track changes on active record models

ActiveRecord migration methods for logging deleted records

Shows a web view when you have pending migration scripts and executes them for your automatically!

Multiple Tables Inheritance for ActiveRecord

An ActiveRecord extension to build nested scopes through pre-defined associations

Adds missing native PostgreSQL array types to ActiveRecord

Rollouts (feature flags) for ActiveRecord models.

Sample a instance from ActiveRecord directory.

Rails gem to sanitize attributes in write & read methods.