If you do not want to setup foreign keys with cascade and ActiveRecord's dependent is too slow for your big database, this is what you are looking for.

Export CSV data to database

An ActiveRecord job queueing system

A console music library explorer and player

Simple record tagging

Versioning for your ActiveRecord models

Currency exchanger gem

This is a minimal implementation to provide the current_user method in the action controller, assuming login with omniauth.

Cursor-based pagination for ActiveRecord relations.

Cursor pagination for ruby

Custodian::Core resolves a chain of custody over a tree of responsibilities: it identifies the next responsible party and demands the action a previous ward could not fulfill, climbing the tree until someone can act. It carries no business rules from any specific domain - concrete domains are imp...

This ActiveRecord plugin add very basic support custom associations, without any syntactic sugar (yet).

Change history for ActiveRecord models in a customisable format, making user friendly logging for change history simple

This gem solves a common problem when you try to write basic associations across multiple ORMs.

CustomId generates unique, human-readable, prefixed string IDs (e.g. "usr_7xKmN2pQ…") for ActiveRecord models. Inspired by Stripe-style identifiers. Supports embedding shared characters from related model IDs, custom target columns, configurable random-part length, and an optional PostgreSQL trig...

Create custom activities streams from a streamer "Model"

Cutara is the bridge between Tarantula and Cucumber

The Cyclid CI system

The Cyclid CI system

Collective intelligence meets service oriented architecture. Allows your remote models to act like your local models, while defining simple conventions to build self aware and reusable services. Currently reliant upon Zookeeper.