YAWL: Yet Another Workflow Language
Based on a rigorous analysis of existing workflow management systems and workflow languages, we have developed the workflow language: YAWL (Yet Another Workflow Language). YAWL is a powerful workflow language based on the workflow patterns and Petri nets that is supported by an open source environment developed in part in collaboration with industry.
For more information, visit the YAWL home page at https://yawlfoundation.github.io.