SO2DB provides an API for building StackOverflow data dump importers. It ships with a PostgreSQL implementation and binary.

ActiveRecord plugin

This gem provides an acts_as_list compatible capability for sorting and reordering a number of objects in a list. The class that has this specified needs to have a +position+ column defined as an integer on the mapped database table. This gem requires ActiveRecord 3.0 as it has been refactored t...

Sortiri is a clean and lightweight solution for making ActiveRecord::Base objects sortable.

This collection of gems will spice up your rails and kick your rubies up a notch. Bam!

A simple SQL builder for generate SQL for non-ActiveRecord supports databases.

Check your footprint file into source control

Adds REGEXP support for SQLite3 in ActiveRecord.

Debug SQL statements in ActiveRecord by displaying warnings on bad queries.

A gem for caching HTTP responses

citext support for rails (STAQ version)

citext support for rails (STAQ version)

State of the Nation makes modeling object history easy.

The acl from StoneWall, now as a shiny new gem!

ActiveRecord has always stored the base class in polymorphic _type columns when using STI. This can have non-trivial performance implications in certain cases. This gem adds 'store_base_sti_class' configuration options which controls whether ActiveRecord will store the base class or ...

Nested fields for ActiveRecord::Store

Enhances `ActiveRecord::Base.store_accessor` with data type conversion capabilities.

A library for interacting with REST APIs. Similar to ActiveResource

Extension for ActiveRecord models to manage synchronizing data in support/lookup tables across environments. Also provides the ability to directly reference and test for specific rows in these tables.

Duck punch Resque to use active record for backround jobs instead of redis