This page lists some of the third-party guides and blog posts about Mongoid, as well as sample Mongoid applications. Additional resources for the driver are listed on the respective driver page.
An overview of Mongoid, by Ryan Bates including the basics of setting up an app, querying for documents, adding embedded associations, overriding the id, and more.
A detailed introduction to Mongoid and Ruby on Rails web services.
A Tutorial explaining how to implement text search with Mongoid.
Building a content management application with Sinatra and Mongoid.
Creating a Sinatra API with Mongoid.
How to Convert an existing Ruby on Rails application to use MongoDB and Mongoid.
A repository containing sample applications using Mongoid.