An Active Record model can be defined as 'queueable'. That adds extensions to add any method to the queue that exists on the method instance.

Ruby Apple Address Book Interface and Tools

Retrying once if raise a RecordNotUnique

Retries an operation on an ActiveRecord until no StaleObjectError is being raised.

A gem to handle deadlocks in ActiveRecord by retrying transactions and logging details.

Simple implementation of RETURNING for ActiveRecord

Simulates realistic Revel Systems POS operations against the sandbox API. Generates orders, payments, and transaction data across 4 business types.

Reversible Data provides migration-like functionality for tests etc - All with temporary models.

Backup data is saved to yaml files. The reverse process load the yaml and restores the records. Works for new and updates not for deletions.

Adds Review and Approval functionality for content sites.

Content-addressed versioning with branches, merges, diffs, and tags for ActiveRecord models. Like git, but in your database.

A simple Rails plugin which creates revisions of your model and comes with an equally simple HTML differ.

A simple gem for visualizing ActiveRecord callback chains

A simple gem for visualizing ActiveRecord callback chains

Revoke provides easy an easier way to prevent your rail's application model from being updated based on an event.

Revoke provides easy an easier way to prevent your rail's application model from being updated based on an event.

A logger that allows specification of severity, applicable entity/records, metadata, and optional notifications

A Ruby flow-based programming framework that utilizes ZeroMQ for component connections and Avro for serialization

RGeo is a geospatial data library for Ruby. RGeo::ActiveRecord is an optional RGeo module providing some spatial extensions to ActiveRecord, as well as common tools used by RGeo-based spatial adapters.

Simple ActiveRecord diff functionality