Keep your code DRY by inferring column validations from table properties! Automagically validate presence, length, numericality, inclusion and uniqueness of ActiveRecord backed columns.

Using Inherited Resources is an excellent way to reduce the amount of repetition in your controllers. But what about views? A lot of times resources share the same views, so why not DRY 'em up using Inherited Resources Views!

Lightweight structured logging for Ruby applications

Inspired by dry-initializer and virtus, portrayal is a minimalist gem that takes a somewhat different approach to building struct-like classes. It steps away from types, coersion, and writer methods in favor of encouraging well-designed constructors. Read more in the Philosophy section of the README.

A framework for DRY RESTful APIs in Ruby on Rails.

Sorbet type hints for Dry::Monads

A domain specific language for composable business transaction workflows.

InheritedViews brings the DRY principle to the controller and view layers within Rails applications

Pipeline operator for callable objects

Drydock provides a powerful DSL for building command-line applications with ease.

RSpec matchers for dry-validation

Keep a DRY history of your ActiveRecord models' changes

ActionParameter helps you move all your parameter's logic into it's own class. This way you'll keep your controllers dry and they would be easier to test.

SchemaAssociations extends ActiveRecord to automatically create associations by inspecting the database schema. This is more more DRY than the standard behavior, for which in addition to specifying the foreign key in the migration, you must also specify complementary associations in two model files (e.g. a :belongs_to and a :has_many).

shared base for request_handler using dry-* gems

DRYing up Many-to-Many Relationships in ActiveRecord

Super DRY Configuration for Ruby, Rails, and Sinatra Apps. With Pluggable NoSQL/SQL backends using Moneta

Like Active Record's validation feature, but for destroying models

JayDoubleuTee is a simple but powerful middleware for authorising endpoints in any ruby application. Uses dry-effects and jwt under the hood.

Rails plugin for implementing dry-validation gem for your Active Record Validations.