JRuby gem for performing multidimensional queries of relational database data using Mondrian OLAP Java library

Push your Active Record models' scopes up to the surface

Mine remote data into your ActiveRecord models. You can also perform associations and convert units.

Log transitions on a state machine to support auditing and business process analytics.

Log transitions on a state_machines to support auditing and business process analytics.

Translatable columns for Rails 4.2 or better, stored in the model table itself.

Suffering from ActiveRecord instantiation anxiety? Try Valium. It saves your CPU and memory for more important things, retrieving just the values you're interested in seeing.

Amazon Redshift adapter for ActiveRecord 6.x.

Associate a Ruby PORO with an Active Record class and have it quack like one.

This gem logs where ActiveRecord actually loads record

Never worry about weird diffs and merge conflicts again

Integrate PostgreSQL's enumerated types with the Rails enum feature

Adds support for postgres arrays to ActiveRecord

Redirect ActiveRecord (Rails) reads to replica databases while ensuring all writes go to the primary database.

ActiveRecord Tableless Models provides a simple mixin for creating models that are not bound to the database. This approach is useful for taking advantage of the features of ActiveRecord such as validation, relationships, etc.

ActiveRecord sharding extension

Client Side Validations for Rails 2.x and 3.x

A Ruby on Rails plugin to add an after_commit callback. This can be used to trigger methods only after the entire transaction is complete.

Adds new features to Arel

Deploy features incrementally to your users