RoleCore is a Rails engine which could provide essential industry of Role-based access control.

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.

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.

Gem adds an "analyze" method to all Active Record query objects. Compatible with PostgreSQL database.

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

Enable enum type for the MySQL Adapter in ActiveRecord

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.

Deploy features incrementally to your users

Chamber lets you source your Settings from an arbitrary number of YAML files and provides a simple mechanism for overriding settings from the ENV, which is friendly to how Heroku addons work.

A malware/botnet analysis framework written in Ruby.

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.

Quickly get a count estimation for large tables.