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

Library for translating Mongoid documents, based on Globalize3 principles

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

Mongo Followable adds like/dislike feature to mongoid/mongo_mapper

mongo_odm is a flexible persistence module for any Ruby class to MongoDB.

A proxy server for MongoDB.

Ruby Daemon collects statistics via UDP packets, stores them in Mongo, and then views them via a user friendly Sintra app.

An Experimental Version of the squealer gem http://github.com/delitescere/squealer/

A Ruby DSL for exporting MongoDB to MySQL or PostgreSQL. You don't need to install both, just one. Use EXPORT_DBMS=[mysql|postgres] environment variable to specify the appropriate adapter.

Statistic and analysis in Ruby DSL, just as simple as SQL operations in ActiveRecord.

An engine for search-engine-optimized blog management.

C2 aspires to be a simple, drop in, Admin Portal + CMS for apps based on Rails 3 + Mongoid.

A simple, yet flexible solution to tracking changes made to objects in your database.

A Rails Engine to control and monitor Rails application from a web interface. It includes content capturing system, real-time traffic monitoring, and real-time performance monitoring. It is built to be flexible and customizable.

A general purpose Rails utility plugin.

Tracks and logs events and sends notifications of events on Active Record models.

The Exception Engine logs your Rails exceptions in your mongodb database and provides a web interface to manage them

Exodus is a migration framework for MongoDb

Facteur allows you add a messaging system in your Rails 3. You can create many mailboxes for your users. They will be able to send and receive messages.

Gatoroid is a way to store analytics using the poweful features of MongoDB for scalability