Migration Bundler is a complete database schema management system providing migrations, dump/load, and packaging of schema artifacts.

Rails engine that checks for pending migrations and presents an error screen that allows you to manage your migrations.

A web interface for Rails Migrator.

Ruby code base migration tool.

This gem makes it easy to create and maintain an up-to-date database schema and apply it to the database as needed by the means of standard Sequel migrations.

ActiveRecord plugin which allows you to hide without actually deleting them for Rails3. Millstone is extending ActiveRecord::Relation

Allows a rails format to act as a fallback for another format

PublicExceptions for multiple mime types

Database module for mimi, microframework for microservices

Add pagination, cache_digest, order, json generation with postgres, simple search support to all your queries

Productivity tool borrowing a little from everything.

Mindex provides functionality to build elasticsearch indices

Easy searching for ActiveRecord applications

Minesweeper CLI game using curses

A minimal authentication module for Rails

This mountable engine has the basic functionality to manage a very simple blog

Extending MiniFB to provide Facebook Connect Verification Filters for Rails.

Feedback functionalities for ActiveRecord models

This is the simpler cms ever

A state machine for activerecord implemented with the state pattern