Mongoid Genesis will give you the ability to override attribute values without losing the original one.

CAUTION: Use at your own risks.

Plugin for MongoODM to attach files via Grid

Grab the movies information from the atmovies.com

weak_attr for WeakRefs in RubyMotion

Built atop Timecop, this gem provides a more intuitive interface for managing the current date and time across the test suite.

This gem will return title and url for each feed discovered at a given url

MultiCache provides a framework to help you cache at model level on redis under a specific namespace

Define decimal attributes that are stored as integers

Mix Virtus and ROXML to produce objects that can map between attributes and XML.

Check at build time that your views written with jbuilder are in good shape

Enjoy microsecond precision in your MySQL updated_at timestamp

Web crawler to get courses from XML pages at mymav.uta

gem to use the Mxit APIs at http://dev.mxit.com/docs/

Naifa is a tool aimed at providing a collection of commands that simplify the development workflow.

Attemting to minimize the syntactical learning curve from other ORMs

Use nested attributes to add nested fields

Execute commands on multiple hosts at once.

This gems allow for the simple creation of news feed notification objection attached to any class

See more at https://nifi.apache.org/