Map reduce your mongo documents writing in with coffeescript.

Store rails 3.1+ sessions using Mongoid 3.

Provides an easy way to track changes, creations, and errors across your Rails application. This gem automatically records model and controller activity, including request context and error details, with flexible configuration through an initializer. Ideal for debugging, compliance, and tracking user actions

If you need a simple shopping cart handler for monogid project use this one :-)

Generate Permalink on Mongoid. Specially on stored chinese words.

Mongoid Counter Cache

Add crypt field for mongoid document

Rails and Mongoid simplest helpers possible to directly upload file to S3 without hitting the server. Support concurrent uploads, progress bars, and more.

Form builder for apps which use mongoid

Forum engine for Rails 4 and mongoid

Mongoid orm generator for rails 3

Mongoid index creation and removal the nice and easy way :)

ActiveRecord::Migration ported to Mongoid

Easy use of mongoid and paperclip for mobile web apps

Retain your old testing workflow with Mongodb power

Adds additional information to rails logs about total time for MongoDB queries in action processing.

Mongoid Scribe

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

A GUI helper for mongoid-tree(used the materialized path pattern)

Porting of tokens of Nando Vieira http://rubygems.org/gems/tokens for Mongoid