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 simple Rails 3 engine gem to manage and send newsletters.

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

DB Schema management tool

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

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

Amazon RDS slow_log input plugin for Fluent event collector

FlyData Agent

Hooks Thinking Sphinx into the Flying Sphinx service

This is the basic module of Golden Cobra. It offers Devise, ActiveAdmin, an article module, a menu module and global settings for an CMS

This gem provides an easy interface to deploy andmanage a private gem server on Google Cloud Platform.

Support for Shrine gem in Hanami framework

A small and simple efficient extension to Monologue that replace the default WYSIWYG editor with a Markdown editor.

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

MySQL 5.6 adds a `LOCK=NONE` option to make sure migrations are done with no locking. Let's use it.

Octoball provides Octopus-like database sharding helper methods for ActiveRecord 6.1 or later, using Rails' native horizontal sharding handling. This provides migration path to Rails 6.1+ for applications using Octopus gem with older Rails.

A db adapter implementation to use mysql as jobstore

Runs regular Rails/ActiveRecord migrations via the Percona Toolkit pt-online-schema-change tool.