Interactor provides a common interface for performing complex user interactions.

DecentExposure helps you program to an interface, rather than an implementation in your Rails controllers. The fact of the matter is that sharing state via instance variables in controllers promotes close coupling with views. DecentExposure gives you a declarative manner of exposing an interface to the state that controllers contain and thereby decreasing coupling and improving your testability and overall design.

Compose your business logic into commands that sanitize and validate input.

ActiveInteraction manages application-specific business logic. It is an implementation of the command pattern in Ruby.

Business Transaction Flow DSL

Gives an object implicit access to other objects in it's environment.

A minimal service object composer with support for individual commands and top level organizer objects

The main element for Trailblazer's BPMN-compliant workflows. Used in Trailblazer's Operation to implement the Railway.