State of the Nation makes modeling object history easy.

Statistic and analysis in Ruby DSL, just as simple as SQL operations in ActiveRecord.

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

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.

Synchronize attributes on a local ActiveRecord user model with the user metadata store on Auth0

Provides base fuctionality (models, DSL) for AR synchronization with external resources (apis, services etc)

Adds support for displaying your ActiveRecord tables, named scopes, collections, or plain arrays in a table view when working in rails console, shell, or email template. Enumerable#to_table_display returns the printable strings; Object#pt calls #to_table_display on its first argument and puts ou...

Print table structure of ActiveRecord class

Create models that are not bound to the database and take advantage of the ActiveRecord features, such as validation, relationships, etc.

Create a postgres dump file from a subset of tables

Provides Horizontal-sharing for ActiveRecord

A gem for archving (deleting) old records you no longer need. Send them straight to tartarus!

Thebes is a thin binding layer for Rails and Sphinx via Riddle and Mysql2. Thebes expects you to write Sphinx configuration files by hand and have a rich understanding of Sphinx, but provides configuration files and templates to ease the process.

Creates views which allow anonymization of database tables.

TimeFrame

Set of time, date, weekday related methods.

Adds time-only capabilities to the Time class and maps the Rails time type correctly to a time without date.

Simple filtering for ActiveRecord, Sequel and enumerables.

Contributions and additions for the Tire gem