DecisionMaker is a library which help you to gerate simple decision table and make complicated dispatching logic much simpler.

DeclarativeGrid is a gem for rendering grids described in simple DSL

Ports Rails declarative minitest into regular minitest

Convert JSON structures to CSVs

Decorate your methods.

Basic decorator pattern and a simple builder.

This gem adds a dedent method to strings to strip leading spaces from each line while preserving indentation.

A collection of ways to access deeply nested things. You probably shouldn't want to do this anyways.

DeepCloning is a gem that is able to replicate a set of records in depth

Set of utility methods for vanilia ruby Hash providing a way of handling, transforming, diffing it in a Tree-like manner.

Converts a (possibly nested) Hash to a (nested) Struct.

Re-key a nested Hash to all-Symbol or -String keys

Whenever creating an OpenStruct, the nested hashes will also be converted

Use deep_pluck as a shortcut to select one or more attributes and include associated models without loading a bunch of records. And DRY up your code when using #as_json. Added a filter for graphql_rails_api gem

Explicit preloader for ActiveRecord

Deep Thought deployer for 2.0 <= Capistrano < 3.0.

Deep Thought deployer for 3.0 <= Capistrano.

Deep Thought deployer for Heroku.

Deep Thought CI service for Travis CI.

Micro testing framework