Take a peek into the MySQL queries made during your application's requests.

Execute your ActiveRecord migrations with Percona's pt-online-schema-change

Highly available distributed cron built on RDBMS

Log inbound and outbound API requests in your Rails application

A true Bayesian rating system with scope and cache enabled.

ruby-wpdb gives you a painless way to access and interact with WordPress from Ruby, accessing posts, tags, and all other WordPress concepts as plain-old Ruby objects.

Small DSL to create ActiveRecord (>= 3.1) attribute predicates without writing SQL.

This extension adds the following features: 1. Adds a link Mark as favorite on product detail page. 2. Favorite Products tab on header 3. Favorite Products tab in admin section

Deploy Rails apps on Uberspace

Opt-in validations for your ActiveRecord models based on your MySQL database constraints, including text field size, UTF-8 encoding issues, and NOT NULL constraints.

Provides transparent encryption for ActiveRecord. You can protect your data with any encryption algorithm you want.

Save unnecessary round trips to the database

An ActiveRecord plugin providing a higher-level abstraction for SQL 'LIKE' queries

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

Add unsigned option to integer type for ActiveRecord's MySQL2 adapter

Gives a hook on MySQL warnings that allow you to either raise or log them.

Add MySQL geometry type to Active Record.

A tool for automated testing and debugging of automation scripts (e.g., Chef).

DB Schema management tool

In Service Asynchronous Job Scheduler for Rails. This gem handles ActiveRecord model as schedule definition.