The Imixs Open Source Project was created to promote the development of workflow technologies based on open software standards. Within the scope of this project, various technologies and procedures are published that allow and support the development of open, process-oriented workflow systems. The project comprises the development of a framework to create workflow systems as well as a reference implementation based on the JEE standard. Additionally, the project includes the development of a graphic editor for creation and management of WorkflowModels within the Eclipse framework and also client frameworks to be build in user interfaces.