dm-devise adds MongoMapper support to devise (http://github.com/plataformatec/devise) for authentication support for Rails

Dumper is a backup management system that offers a whole new way to take daily backups of your databases.

Really basic search for MongoMapper models.

Tiny plugin for MongoMapper to cache a slugged version of a field

Mongo Followable adds following feature to mongoid/mongo_mapper

Mongo Followable adds like/dislike feature to mongoid/mongo_mapper

MongoMapper extensions

Port of the old, venerable ActsAsTree with a bit of a twist

Ruby IMDB Parsing Library

ActiveAdmin hacks to support mongomapper (some ActiveAdmin features are disabled)

Exodus is a migration framework for MongoDb

Define new objects or modifications of existing ones in external file (xml, csv, etc) and import them to your application. Importer will not only import all the objects but also will give you detailed summary of the import process.

kaminari-mongo_mapper lets your MongoMapper models be paginatable

Machinist adapter for MongoMapper

Attach files (images, videos, pdfs, txts, zips and etc) to a MongoMapper record. You can choose if you to store it on file system or GridFS.

Tiny plugin for MongoMapper to add multi-parameter attributes

A port of ActiveRecord's nested attributes functionality for MongoMapper.

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 plugin for MongoMapper to set deleted_at instead of actually deleting the record.

This is a port of classic Rails' acts_as_list to Mongo Mapper. This Mongo Mapper plugin provides the capabilities for sorting and reordering a number of objects in a list. If you do not specify custom position column in the options, a key named position will be added and used by default.