migrer

immigrant

Foreign key migration generator for Rails

active_record_importer

An easy to setup and flexible importer for Ruby on Rails

rails_uuid_to_integer_primary_keys

A Rails Migration to convert your UUID primary keys back to integer / bigint primary keys

sinatra-activerecord

Extends Sinatra with ActiveRecord helper methods and Rake tasks (now maintained by @holman).

Blog

Acts-as-Orderable

Rails gem allowing ActiveRecord models to have order and to move them up and down

squasher

Squasher - squash your old migrations in a single command

lol_dba

lol_dba is a small package of rake tasks that scan your application models and displays a list of...

nonschema_migrations

Separate schema from data migrations in your Rails apps

serialist

serialize on steroids

valkyrie

reversibility_checker

A rubygem to check the reversibility of migration files

active_record_example

active_record_migrations

ActiveRecord Stand-alone Migrations (for non-Rails projects)

migration_collapser

Collapse already run rails migrations