An active record mention system developed using ruby on rails applying domain driven design and test driven development principles.

Rake tasks for Rails that add groups to migrations

If neither :destroy or :delete_all work for you when deleting children in Rails, maybe this is the right combination for you.

Easily compile HTML into Rails views for Mithril.

A documentation formatting tool. Mizuho converts Asciidoc input files into nicely outputted HTML, possibly one file per chapter. Multiple templates are supported, so you can write your own.

Translate Rails Action Text rich text with Mobility.

Search attributes translated by Mobility with Ransack.

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Normalize ActiveRecord attributes

A simple notification system for sleede rails project

If you have a presence validation, you'll probably want a non-null constraint to go with it.

== Ocean Ocean is an application template and an architecture for creating server-oriented architectures (SOAs) in the cloud. Ocean is a complete and extremely scalable back end solution for RESTful JSON web services and web applications, featuring aggressive caching and full HTTP client abstra...

OkuribitoRails is an engine for Rails that aims to manage method call status. And you can identify uncalled methods.

OpenSeadragon is a javascript library for displaying tiling images. This gem packages those assets and some Rails helpers for using them

locale-specific attachments with paperclip and globalize

A Solar Hijri (Jalali) date library for Ruby, whitch provides much of Ruby's built-in date class

A dbadapter implementation to use sqlite3 as jobstore

Queue any method in any class or instance with no need for additional Worker class and no extra code

Generate permalink attributes on ActiveModel/ActiveRecord

Easy denormalization for your ActiveRecord models