This gem hijacks the $or operator, doing one query per $or clause, merging the results with plain ruby.

Extract your Mongoid schema based on a top level class

Mongoid Scribe

Encrypt password like ActiveRecord has_secure_password method.

Helps with seeding data with mongoid

Adds Semaphore-like behaviors to a Mongoid::Document instance

Mongoid::Sequence2 gives you the ability to specify fields to behave like a sequence number (exactly like the "id" column in conventional SQL flavors).

Mongoid sequencer add increment behave like a sequence number

Adds some sane controller serialization support of your Mongoid models

If Mongoid default serializers for Date and Time don't work for you, try this out!

Mongoid alternative to ActiveRecord::SessionStore.

Store rails 3 sessions in mongoDB (with mongoid3 gem).

A simple gem to store application settings into a MongoDB collection.

Adds sex field (with helpers) to a mongoid model

mongoid-siblings adds methods to enable you to easily access your Mongoid document's siblings.

Makes it easy to sign Mongoid documents based on a subset of fields to prevent duplicate documents.

MongoidSilo gives a simple way to create static representations of models

Provides a straightforward way for auditing changes on active record models, especially for composite entities. Also provides helper methods for easily rendering an audit trail in Ruby on Rails views.

basic and simple roles system for mongoid v3

Simple way to add user stamps to your models.