dm-machinist is a datamapper adapter for machinist 2.0

initializes resources from YAML data

DataMapper plugin that helps you manipulate an existing database. It creates mappings between existing columns and model's properties.

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

BigMoney backed DataMapper money plugin.

This is a DataMapper plugin that provides observers for DataMapper resource classes. It's compatible with DataMapper 0.9.1.

DataMapper plugin that provides pagination

Simple DataMapper paginator

An extension to make DataMapper working on Parse.com

A DataMapper Adapter for persevere

Adds support for the JSON datatype (available in PostgreSQL 9.3+) to DataMapper

Adds support for native PostgreSQL datatypes, including JSON, HSTORE, and Array to DataMapper

A DataMapper plugin for adding predefined resources to Models.

PuppetDB adapter for DataMapper

Generates datamapper models from existing database schemas and export them to files

DataMapper plugin enabling models to be created from matching a regex

Modular adapter for datamapper to access remote resources restfully

DataMapper plugin enabling more flexible versioning of models

The dm-rinda-adapter project implements an datamapper interface for storing records in the rinda tuple space. The adpater has only tested with datamapper 0.10.2 so far.

RSpec2 matchers for DataMapper