Mongo Followable adds following feature to mongoid/mongo_mapper

MongoHydrator takes a document, represented as a Ruby Hash, and efficiently updates it so that embedded references to MongoDB documents are replaced with their corresponding subdocuments.

MongoDB backend implementation for I18n gem.

Implementation of the acts as list gem for Mongoid

Mongoid::AppSettings allows you to store settings in MongoDB, and access them easily

Mongoid::Bitfield stores boolean flags as single property in MongoDB.

Provides connection pooling for Mongoid

Simple data preparation from Mongoid to the jQuery DataTables plugin

Facilitates performing queries on collections in embedded Mongoid documents by performing query from the root node

mongoid-encryptor encrypts and decrypts one or more fields in a Mongoid model.

Gem to add basic "follow" features if you're using rails3 with mongoid

Please refer to http://rubygems.org/gems/mongo_followable for latest versions

Library for translating Mongoid documents, based on Globalize3 principles

A Mongoid Hash extension enabling 'indifferent access' so you can access keys using Strings or Symbols.

Mongoid::Max::Denormalize is a denormalization extension for Mongoid.

Provides Mongoid with enhanced meta-timestamps that store additional parsed time metadata, allowing more powerful querying on specific time fields and across normalized time zones.

Money datatype for Mongoid. Inspired by Ruby Money. Makes handling money simple. Stores the value in the db as cents. Currently handles USD.

Use RubyMoney with mongoid

Gives a method that can parse query string parameters into a set of criterias that Mongoid can use to perform actual queries in MongoDB databases for a given model.

Add a random key to all documents in a collection for random retrieval