Provides single sign-on authentication for web applications using the CAS protocol.

Log callsite information for a given class.

Turn the rows of your CSV into rows in your database

Coerces values in params hash for search scoping

Automatically launch Hadoop or Spark clusters in the cloud

A tool to create a JSON response right inside of PostgreSQL 9.3+

Harris's test gem

Will finish later.

Localization support for ActiveRecord by Ruby-GetText-Package.

A Ruby clone of darcs that uses ActiveRecord for storing patches.

Use query objects as flexible building blocks

Adds a helper to wrap model methods in transactions easily.

Represent search interface via ActiveModel instance

Ultra simple manual sort key handling for ActiveRecord models.

adds a random() method to your activerecord models. respects where conditions and joins.

A collection of hacks for ActiveRecord.

New Era Notifier

Hario provides ActiveRecord filtering for Rails APIs.

A concise and easy-to-use Ruby library that connects ActiveRecord to the Sphinx search daemon, managing configuration, indexing and searching.

acts_as_graph is a Rails plugin that facilitates a Graph like interface to ActiveRecord.