Deferred for Delayer.

Simple presenter allows for a simple way for you to present a model to your views without cluttering up the original model.

A matcher for testing ruby delegation.

ActiveRecord serializer DSL for mapping model attributes and associations. Similar to ActiveModel Serializers with many enhancements including bi-directional support, i.e. deserialization.

DeliverHQ API wrapper

RSpec matchers for testing that ActionMailers deliver_later

Kentico Kontent Delivery SDK for Ruby

Delphix Engine REST API

Deltacloud API ruby client.

Democritus is library for building classes from reusable components.

Library for reading metadata from Half-Life demo files

Demultiplex sequences from the Illumina platform.

Electronics programming in Ruby

Denouncer allows you to send notifications with error/exception details using a simple interface. New methods of sending error messages can be implemented using a pre-defined class interface. SMTP and AMQP notification are the first implemented adapters. Denouncer is usable for all ruby applicat...

Dentaku is a parser and evaluator for mathematical formulas. All credit to Solomon White.

An Injectable Dependency Container implementation for Ruby

A dependency injection framework for Ruby, which allows you to register dependencies and access them anywhere in your program

Using Chef cookbook style and force any script using it to switch to chef even if it is not install. It will install it tho ;)

Depth is a utility gem for dealing with nested hashes and arrays

Idiomatic Ruby library for Deribit API 2.0