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

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.

Puffer pages is integratable rails CMS with puffer admin interface

Rails-bigint-pk modifies Rails so that it uses 64-bit primary and foreign keys. It works with MySQL and PostgreSQL and has versions for Rails 3 and 4.

Easily use 64-bit primary keys in Rails

This gems allows you to easily create extra databases to your rails application, and freely allocate ActiveRecord instances to any of the databases. It also provides rake tasks and migrations to help you manage the schema by shard groups.

A Rails Engine that enables you to easily wire up a Rails app to an existing Wordpress database

Adds support in ActiveRecord for foreign_keys, complex indexes and other database-related stuff. Easily create foreign_keys, complex indexes and views.

Flexible but opinionated framework for defining and running reports on Rails models backed by SQL databases.

Rubix provides abstractions for connecting to Zabbix's API, an ORM for wrapping Zabbix resources, a set of scripts for writing data to Zabbix, and a collection of Monitor classes for building periodic monitors.

Manage model with a period on ActiveRecord.

State of the Nation makes modeling object history easy.

Statistic and analysis in Ruby DSL, just as simple as SQL operations in ActiveRecord.

Support for DB transactions with Capybara

Manage delta indexes via Sidekiq for Thinking Sphinx

Allows rails models to work as the edges and nodes of a directed acyclic graph (dag). The edges may be typed.

Create associations that combine multiple Active Record associations using a SQL UNION under the hood, with full support for joins, preloading and eager loading on the union association, as well as through-union associations.