Pronto runs analysis quickly by checking only the relevant changes. Created to be used on pull requests, but suited for other scenarios as well. Perfect if you want to find out quickly if branch introduces changes that conform to your styleguide, are DRY, don't introduce security ...

A set of Rails responders to dry up your application

Validation library

Keep a DRY history of your ActiveRecord models' changes

Type system for Ruby supporting coercions, constraints and complex types like structs, value objects, enums etc

Simple type-system for Ruby

Common monads for Ruby

Business Transaction Flow DSL

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.

dry-schema provides a DSL for defining schemas with keys and rules that should be applied to values. It supports coercion, input sanitization, custom types and localized error messages (with or without I18n gem). It's also used as the schema engine in dry-validation.

Typed structs and value objects

A mixin to add configuration functionality to your classes

Organize your code into reusable components

Organize your code into reusable components

Common framework to build command line interfaces with Ruby

Common framework to build command line interfaces with Ruby

A simple, configurable object container implemented in Ruby

DSL for declaring params and options of the initializer

dry-rails provides the official integration of dry-rb gems with Ruby on Rails framework.

A simple way for DRYier, faster and cleaner Modernizr tests in Sass.