Gratan is a tool to manage MySQL permissions using Ruby DSL.

vCard like contact and address models and helpers for Rails.

Alternative MySQL backend for hiera

Creates separate tables for each history table

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Provides idempotency keys for Rack applications.

Read/Write proxy for ActiveRecord using primary/replica databases

It's a web-spider moudule for Javlibrary(Japan AV Library) website.

Jinrai is a awesome Cursor based pagination Link.

Add native support for MySQL [5.7] JSON data type to Rails 4.

Process KISSmetrics data dumps

This gem provides MySQL's LOAD DATA INFILE for Mysql2 and ActiveRecord

"Bitfields for ActiveRecord": store low-cardinality columns in a separate table for vastly more flexibility and better performance.

A simple ActiveRecord wrapper for various Magento models

This gem aims to provide an easy and faster way to do single database insertions in Rails.

A mytop-ish variant that can watch many mysql servers

mogbak makes it easy to backup and restore mogilefs domains

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

Mysql replication, could cause a number of issues if the tables that are being replicated are locked. Myreplicator is designed to replace Mysql's replication with a flat file based system. Myreplicator allows you to sync tables based on different frequencies and avoid using Mysql's built-in replication services.

Reconnect mysql2 if the MySQL server is running with the --read-only option.