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.

Any_of allows to compute dynamic OR queries.

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

An Active Record extension for creating associations through lateral joins

Integrate PostgreSQL's enumerated types with the Rails enum feature

Adds support for postgres arrays to ActiveRecord

Redirect ActiveRecord (Rails) reads to replica databases while ensuring all writes go to the primary database.

ActiveRecord sharding extension

*Atomic archiving/unarchiving for ActiveRecord-based apps* We had the problem that acts_as_paranoid and similar plugins/gems always work on a record by record basis and made it very difficult to restore records atomically (or archive them, for that matter). Because the archive and unarchive methods are in transactions, and every archival record involved gets the same archive number upon archiving, you can easily restore or remove an entire set of records without having to worry about partial deletion or restoration. Additionally, other plugins generally screw with how destroy/delete work. We don't because we actually want to be able to destroy records.

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.

Adds new features to Arel

Write-through and Read-through Cacheing for ActiveRecord

Deploy features incrementally to your users

Quickly get a count estimation for large tables.

Ferry is a data migration and visualization command line tool rubygem that seeks to simplify the increasingly prevalent big data problems for developers