Document Number lets you automacally assign number sequences for your rails model

Filters to detect spam, trolls and unwanted content

Doorkeeper Couchbase ORMs

Doorkeeper RethinkDB ORMs

Leveraging Doorkeeper as single-sign-on OAuth server. To provide true single-sign-OUT, every request on an OAuth client app is verified with the SSO server.

Provides SSO auth functionality based on Omniauth

DoorMat is a Rails Engine that provides a solution for both user authentication and the encryption of user information. It aims to offer safe defaults so you can get going with what your website is really about.

postgresql extended operators

A gem for users.

Export to PDF plugin for the Dradis Framework

All draft data is saved in a separate table, so no need to worry about existing code / SQL accidentally finding non-approved data. Supports draft changes to existing objects, and creating new objects as drafts. Supports 'draft transactions' which may update / create many objects, and must be approved / rejected in their entirety.

A

Dragonfly data store that uses Moped::GridFS.

Manipulate a database using Amazon Alexa skill voice commands, eventually to be used to create syllogisms

Droom is nice and clean.

Downstream Media Library Rails Engine

Gem for interfacing with Downstream's DSNode

Rake tasks to load sample data for development/testing

This gem blocks duplicate emails.

DESCRIPTION ON THE WAY! :)