Track what product being viewed, what being purchased. Who are consistant buyers etc.

Awesome patches backported for ActiveRecord MySQL adapters

It is the library to reconnect automatically when ActiveRecord is disconnected from MySQL.

With Amountable, you can easily attach, organize and sum Ruby money fields to your models without migrating.

Brainstem allows you to create rich API presenters that know how to filter, sort, and include associations.

RailsDbInfo is a Rails engine that quickly shows the database info

A Rails engine that adds a piece of middleware to the top of your middleware stack that looks for redirect rules stored in your database and redirects you accordingly.

Manage delta indexes via Delayed Job for Thinking Sphinx

Jcrop plugin for ActiveAdmin, enable image cropping solution on image fields

MySQL index hint support for ActiveRecord

N+1 count query killer for ActiveRecord

Rescue from MySQL and Sqlite duplicate errors

Add relational OLAP-like functionality for ActiveRecord

Strategies for cleaning databases using Sequel. Can be used to ensure a clean state for testing.

integrated library system

https://github.com/tsukasaoishi/fresh_connection

mysql2 plugin supporting aurora failover.

Let ActiveRecord serialize and cast your UUIDs to and from binary columns in your database.

Highly available distributed cron built on RDBMS

A Fresh new GraphQL server for Rails applications, with a focus on natural and Ruby-like DSL