Proteus is a software technology that allows creating clinical executable decision support guidelines with little effort. There is a Proteus Intelligent Processes (PIP) Project Wiki available for the developers of the PIP open source project and others who are interested in learning more about Proteus. Proteus is composed of two sub-projects: Protean (Clinical Workflow Authoring Tool) and GreEd (Rule Authoring Tool).
Please note that this Website is not maintained any longer and contains probably outdated information. You are still welcome to use it if it is of any help.