List of Free code Workflow
ASP.NET MVC / Windows Workflow Foundation Integration
This project will product libraries, activities and examples that demonstrate how you can use Windows Workflow Foundation with ASP.NET MVC
Integration between Workflow Foundation 4.5 and ASP.NET MVC 4
Provides a set of controls for managing workflows hosted by Windows Workflow Foundation in ASP.NET web applications. The framework provides support for workflow-wiring with a minimal need for code.