Mongoid

Generates a URL slug/permalink based on fields in a Mongoid-based model.

RSpec matchers and macros for Mongoid.

Document-level locking for MongoDB via Mongoid

Multi-user non-linear history tracking, auditing, undo, redo for mongoid.

A pure Mongoid/Moped implementation of the MongoDB GridFS specification.

Simple full text search for Mongoid ORM

An n-gram-based full-text search implementation for the Mongoid ODM.

Mongoid extension that enables infinite scrolling with MongoDB.

Acts as list mongoid implementation

Make mongoid is paranoid

A MongoDB driver for Ruby

MongoSessionStore is a Rails-compatible session store for MongoDB using either Mongoid or the MongoDB Ruby Driver. It also allows for custom Mongo session store that works with any (or no!) Mongo ODM

Mongoid 3 Middleware for Sidekiq

Derive shell commands from Mongoid sessions and configuration options.

Compatibility helpers for the many Mongoid versions.

A Ruby DSL for building MongoDB queries

When the object or arg to a delayed_job is a Mongoid document, store only a small stub of the object instead of the full serialization.

Mongoid community site.

Shared PR linting for the Mongoid organization.

Mongoid observer (removed in Mongoid 4.0)

Easily maintain a collection of Tag instances with aggregate counts from your model's tags.

Effective caching for nested JSON models.

Source code for mongoid.org

The Mongoid Demo Application

Database Schema Evolution for MongoDB

Moped turbocharger. (C extensions for Moped)