Add more validators for your ActiveModel models.

Active Model Serializer with versioning

Mark some validations as warnings and let them be easily skipped

Simple OOP-ish tools for Rails

An ActiveRecord extension for classifying models and fields as confidential data

Optionally prevents threads from checking out activerecord connections.

ActiveRecord::MySQL::Strict adds validations to ActiveRecord models to make sure they do not trigger errors in MySQL strict mode.

Oracle enhanced adapter with schema config support for ActiveRecord (Using this gem, you can specify schema details in database.yml). This gem is a tweaked version of original activerecord-oracle_enhanced-adapter gem.

Add support for Postgresql Enum type in ActiveRecord

Active Record pattern for remote APIs

ActiveRecordStash provides a helpful syntax, which faciliates active_model compliant attributes, which are stored within a single serialized attribute. Poor mans NoSQL with AR

ActiveRecord::StrictValidations adds validations to ActiveRecord models to make sure they do not trigger database errors.

Adds a symbol attribute type to activerecord

ActiveModel based object persistance library for Redis

ActiveRedis is a Ruby ORM for Redis, using ActiveModel, heavily influenced by the ActiveRecord and Mongoid gems

Active Representer provides model objects for web applications by decorating objects.

This ActiveResource extension which integrates ActiveModel::Attributes for type casting and default values.

Monkey Patch to support ActiveModel::Dirty methods in ActiveResource

Simple, dependable JSONRpc 2.0 Server library for Rails

This gem is created to cater the projects which do not require a backend/database, but still need all the niceties offered by the ActiveModel