Zebra - a workflow engine

Zebra is a workflow engine - originally developed to fill in the gaps in some commercial and open source workflow engines. The key differences between it and other workflow systems are

• Able to model all the workflows described in workflow patterns
• An easy to use GUI designer
• Interfaced persistence layer
• OO Design
• Integration component for Turbine web applications

• YAWL: Yet Another Workflow Language
• Apache OFBiz
• JBoss jBPM
• The FiveSight PXE, BPEL & BPMN
• ActiveBPEL Open Source Engine Project
• OSBL - Open Source Business Library.
• Freefluo
• Enhydra Shark -Java Open Source workflow engine based on XPDL
• Taverna
• XFLOW Process Management System
• Bossa - a workflow engine written in Java
• Bonita
• WfMOpen
• OSWorkflow
• OpenWFE - open source workflow engine
• micro-workflow
• JFlower - a workflow engine in java
• JFolder
• OpenWFE
• The Willow Project
• Werkflow
• bexee - BPEL Execution Engine
• MOBE - MidOffice BPEL Editor