dm-is-remixable allow you to create reusable data functionality

A DataMapper plugin for searching

ldap adapter for datamapper which uses either net-ldap or ruby-ldap

Provides the ability to use DataMapper in an environment where database replication draws the need for using separate connections for reading and writing data. This adapter simply wraps two other "real" DataMapper adapters, rather than providing any direct I/O logic

DataMapper plugin for observing Resources

A DataMapper Adapter for persevere

Adds DMGeometry type to DataMapper that uses GeoRuby for (de)serializing Geometry types into Postgis.

RSpec matchers for DataMapper

dm-sql-finders add #by_sql to your DataMapper models and provides a clean mechanism for using the names of the properties in your model, instead of the actual fields in the database. Any SQL is supported and actual DataMapper Query objects wrap the SQL, thus delaying its execution until a kicker method materializes the records for the query. \ You can also chain standard DataMapper query methods onto the #by_sql call to refine the query.

DataMapper plugin providing better error messages handling.

DataMapper Visualizer is both a library and a command-line utility for visualizing the Models, Properties and Relationships defined in a DataMapper based Ruby project.

Timezone aware datatypes for DataMapper

An adapter for using DataMapper::Resource with FriendlyId.

Tagging implementation for DataMapper

An irc bot framework that offers easy-to-use by plugins

Merb plugin that provides access to the Ruby Xapian search engine library

this collection of plugins helps to add datamapper functionality to Rack. there is a IdentityMaps plugin which wrappes the request and with it all database actions are using that identity map. the transaction related plugin TransactionBoundaries and RestfulTransactions wrappes the request into a transaction. for using datamapper to store session data there is the DatamapperStore.

Create, Distribute, and Install Ruby applications easily

datamapper storage for ruote (a workflow engine)

Tokyo Cabinet/Tyrant Table DataMapper Adapter.