ActiveMongoid facilitates usage of both ActiveRecord and Mongoid in a single app by providing an inteface for inter-ORM relations.

Persistent ORM for OrientDB(V.3), based on ActiveModel

Manage time ranges without brain damage.

A simple, ORM agnostic, PESEL (polish personal id number) validator and personal data extractor

Normalized searching and browsing of public resources

A library for publshing messages to RabbitMQ

Allows you to mark a column in a model as a HStore column letting you pass in a hash for its setter and retrieve a hash from its getter method. Also provides a series to named scopes for easy querying of data.

A Rails gem to anonymize ActiveRecord attributes using Faker and other strategies.

Make ActiveRecord queries cacheable throughout your apps!

A new way to manage multi-tenant applications based on multiples databases

An ActiveRecord extension for classifying models and fields as confidential data

Provides integration between ActiveRecord::Enum and I18n.

An ActiveRecord extension for polymorphic exclusive arc relationships

This gem automatically logs SQL EXPLAIN of every queries. You can check naturally every SQL EXPLAIN from development log, without manually executions.

A gem that checks database health by monitoring active session count relative to available vCPUs. Intended for automatic load shedding.

ActiveRecord extension to allow partitioning ids into regions, for merge replication purposes

Specify columns like you would with ActiveRecord migrations and then run .auto_upgrade! Based on the mini_record gem from Davide D'Agostino, it adds fewer aliases, doesn't create timestamps and relationship columns automatically.

Implements the Null Object Pattern for nil values in ActiveRecord associations.

This gem adds comments to the SQL to indicate where the SQL parts are constructed.

Database sharding library for ActiveRecord