Add simple versioning to ActiveRecord models.

A comment viewer for http://live.nicovideo.jp/

The layout helpers.

lazy_mail is a lazy and quick way to use the function mail and offers configurations to write less code

Bring some magic to ActiveRecord for legacy databases

Toast is a Ruby library for doing pre-defined automated tasks

looky-lu will generate standard look up data abilities for your rails application

Adds better (a.k.a magic) file type detection support into Thoughtbot's Paperclip

Make all active record properties private

Rails 3 generator and rake tasks to install, start and interact with cassandra

Rails 3 generator and rake tasks to install, start and interact with elasticsearch

A simple database agnostic import/export app to transfer data to/from a remote database.

Easy upload management for ActiveRecord

serialize and deserialize activerecord attributes using json or zlib

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Generate simple tokens for short url and other things

A library for looking up zip codes and their associated info.

A replacement for fixtures.

Translates model fields stored in the same model

Generates bare model files that can be used for a migration of legacy data to new models or to get a jump on development for an existing database