This mountable engine has the basic functionality to manage a very simple blog

This is the simpler cms ever

Gem for a bunch of random, re-usable Rails Concerns & Helpers

a git-powered, gist-backed blogging engine for Rails 3

This is the core of the mix-rails

DataMapper loader for MonkeyMailer

Before a record is saved, mm-optimistic_locking will check if it has been modified by another process. If so, a StaleDocumentError will be raised. The object can be reloaded and resaved after the conflict has been resolved.

Tiny MongoMapper plugin for treating a collection as a list

Simulator for Moneris Hosted Tokenization

An aggregation DSL for use with mongo ruby driver

A library to iterate over entire Mongo collections or large queries exposing an API to control things like batch size, order and limit.

MongoBlazer to flatten relational data from ActiveRecord Models into Mongodb Documents

Minimal set of classes and modules to help with activity tracking.

A simple little gem that makes it easy to handle case-insensitive alphabetizing for Mongoid document models

Mongoid Approbation

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

Create and maintain aggregate metadata with Mongoid

Mongoid support for sorting with collation

A simple Mongoid 3 versioning system that works with embedded documents.

Able to do something like 'bookmark', 'like' or 'follow' with mongoid