Add MySQL geometry type to Active Record.

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

DB Schema management tool

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

Create database backups to share with others across your dev team. Other developers can restore from backups you've created.

Different relational databases treat text search very differently. DbTextSearch provides a unified interface on top of ActiveRecord for SQLite, MySQL, and PostgreSQL to do case-insensitive string-in-set querying and CI index creation, and basic full-text search for a list of terms, and FTS index creation.

An earth-simulation environment with ActiveRecord models and data

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

extension for mysql2 to add client-side variable binding, by adding method Mysql2::Client#xquery

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.

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

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

Rails Lens provides unified visualization and annotation for Rails 8.0+ applications, integrating ERD generation and model annotations.

ScheduleFu allows scheduling events with dates and times. It includes both the model and view portions of a calendar. It borrow heavily from acts_as_calendar (http://github.com/dball/acts_as_calendar) and calendar_helper (http://github.com/topfunky/calendar_helper).

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

Simple Role System for Rails Apps