Save unnecessary round trips to the database

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

acts_as_account implements double entry accounting for Rails models. Your models get accounts and you can do consistent transactions between them. Since the documentation is sparse, see the transfer.feature for usage examples.

Filter tools to mask sensitive data in various logs

A lightweight and database-level library to transform any Active Record query into analytics data ready for any chart

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

Genealogy is a ruby gem library which extends ActiveRecord models in order to make its instances act as relatives so that you can build and query genealogies

Encrypt data in mass with Active Record Encryption

Oculus is a web-based logging SQL client. It keeps a history of your queries and the results they returned, so your research is always at hand, easy to share and easy to repeat or reproduce in the future.

Highly available distributed cron built on RDBMS

QuickSearch is a toolkit for easily creating custom bento-box search applications

Log inbound and outbound API requests in your Rails application

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

Simple Role System for Rails Apps

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.

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

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

Define attributes in arel

An easy to use, framework agnostic, customizable library to easily store and retrieve application configuration.

Add MySQL geometry type to Active Record.