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.

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

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.

Automatic Foreign Key automatically generates foreign-key constraints when creating tables or adding columns. It uses SQL-92 syntax and as such should be compatible with most databases that support foreign-key constraints.

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.

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 ...

An earth-simulation environment with ActiveRecord models and data

A simple way to find records in the same order of input array. Has better performance than manually sorting. Supports Rails 3+.

FlyData Agent

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