This gem aims to be a transparent way to deal with localizable fields. Basically use localized_field() instead of field() and that's it. It will take care of locales for you when using find or criteria.

Mongoid::Includes improves eager loading in Mongoid, supporting polymorphic associations, and up to two-levels of eager loading.

A quick and easy way to add counter cache functionality to model - document associations in Mongoid

Mongoid MapReduce provides simple aggregation features for your Mongoid models

Fully featured tree implementation for Mongoid using the nested set model

Mongoid::Observer removed from Mongoid 4.0

Mongoid extensions to enable infinite scroll.

Store rails 3 sessions in mongoDB.

Store rails 3 sessions in mongoDB using a cross-platform format.

Add multiple tag fields on Mongoid documents with aggregation capability.

Mongoid supports simple versioning through inclusion of the Mongoid::Versioning module.

Ruby wrapper for Amazon CloudSearch (aws-sdk), with ActiveRecord, Mongoid support for easy integration with your Rails application

Writer methods parameters normalization

Use jQuery's autocomplete plugin with Rails 4.

Raygun application performance monitoring core Profiler

Sleek is a library for doing analytics.

Trackoid uses an embeddable approach to track analytics data using the poweful features of MongoDB for scalability

An implementation of repository pattern that can connect with any ORM

Implements CanCanCan's rule-based record fetching using Mongoid.

Egregious is a rails based exception handling gem for well defined http exception handling for json, xml and html. Requires Rails.