Simple authentication plugin for sinatra.

DataMapper plugin for writing and speccing migrations

Library for performing validations on DM models and pure Ruby object

This gem allows you to deploy your rails application to the Engine Yard cloud directly from the command line.

DataObjects Adapter for DataMapper

Push your DataMapper models' scopes up to the surface

Integrate DataMapper with Rails 3

DataMapper plugin for serializing Resources and Collections

DataMapper plugin providing extra data types

Firefly is your own personal URL shortener for your own domain. It's written in Ruby and powered by Sinatra. You can run it with any Rack-capable web server.

DataMapper adapter for the Redis key-value database

A RESTful adapter for DataMapper.

Rails Plugin for DataMapper

Faster, Better, Simpler.

DataMapper plugin providing support for aggregates on collections

DataMapper plugin constraining relationships

File attachments as attributes for DataMapper, based on the original Paperclip by Jon Yurek at Thoughtbot

DataMapper plugin for magical timestamps

A datamapper plugin that allows nested model assignment like activerecord.

Makes transaction support available for adapters that support them