Stores draft versions of your ActiveRecord models' data in a single table or split up into separate tables. Works with Ruby on Rails and Sinatra.

FastPage applies the MySQL "deferred join" optimization to your ActiveRecord offset/limit queries.

ruby-plsql gem provides simple Ruby API for calling Oracle PL/SQL procedures. It could be used both for accessing Oracle PL/SQL API procedures in legacy applications as well as it could be used to create PL/SQL unit tests using Ruby testing libraries.

Preload ActiveRecord associations with graphql-batch

The JitPreloader has the ability to send notifications when N+1 queries occur to help guage how problematic they are for your code base and a way to remove all of the commons explicitly or automatically

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

With it you can add the ability to create columns outside the default schema, directly in your model in a similar way that you just know in others projects like DataMapper or MongoMapper.

With it you can add the ability to create columns outside the default schema, directly in your model in a similar way that you just know in others projects like DataMapper or MongoMapper.

A phishing kit collector for scavengers

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

RGeo is a geospatial data library for Ruby. RGeo::ActiveRecord is an optional RGeo module providing some spatial extensions to ActiveRecord, as well as common tools used by RGeo-based spatial adapters.

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

SQL input/output plugin for Fluentd event collector

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.