Use ActiveRecord 4 in non-rails projects.

Temp Table for activerecord

This tool allows you to generate quick and simple Excel reports based on the array of records returned by your ActiveRecord queries

Dump databases to Google SpreadSheets and can also from SpreadSheets.

Convert ActiveRecord objects to plain old ruby objects and vice versa

It sends ActiveRecord objets to SimpleDB using Resque

Extend AR to use touch for has_many and has_one relations

This simple plugin gives you the ability to get XLS for a collection of ActiveRecord models.

ActiveRecord OpenTracing tracer

This gem enables tracking of dirty associations on ActiveRecord objects

Queue up calls to specific models and execute them in transactions, after a certain number of models have been added.

ActiveRecord is great, but could be better. Here are some tweaks for it.

Adds a symbol attribute type to activerecord

Provides soft deletion and automatic restoration of records and their dependent associations.

Extend ActiveRecord uniqueness validations with via: :db option.

ActiveRecord extensions for Unitwise.

Batch updating for ActiveRecord models

Update ActiveRecord counter and update instance value

Support MySQL's INSERT ... ON DUPLICATE KEY UPDATE in ActiveRecord

active_record_uuid is a nice gem that add uuid supports to your activerecord models (MySQL). It allows you to store uuid in various formats: binary (16 bytes), base64 (24 bytes), hexdigest (32 bytes), or string (36 bytes), and query back with uuid string.