MySQL Replicaition(master/slave) for ActiveRecord

For data records that only need to be partially updated, this provides versioning for dirty attributes

Snapshots for ActiveRecord

ActiveRecordStash provides a helpful syntax, which faciliates active_model compliant attributes, which are stored within a single serialized attribute. Poor mans NoSQL with AR

Stream ActiveRecord results

Publish events about changes to your ActiveRecord models to different targets, like HTTP endpoints, AWS SNS topics or Kinesis streams

The activerecord-timescaledb-adapter provides access to features of the Timescale Postgres extension from ActiveRecord.

Convert ActiveRecord objects to plain old ruby objects and vice versa

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

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.

SQL views with ActiveRecord

Simple DSL to control callback attribute changed in ActiveRecord model

Wrap transactions in a manner that detects if the transaction completed

A library for doing pooled writes to a SQL Datbase

An easy to use, YAML-based record storage solution, with ActiveRecord-like features

Bulk methods for ActiveRemote

Provides "cached" finders and a DSL to enumerate which finders should have cached versions

Flexible but opinionated framework for defining and running reports on Rails models backed by SQL databases.