an Open Source BPMN 2.0 / DMN 1.1 Modeler
Powerful cross-platform install builder
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Cress is a comprehensive toolset for graphical service/workflow design
Security Workflow Analysis Tool
Editor for Petri nets
YAGF is a tesseract and cuneiform wrapper and helper*
giServer the easy to use and extensible batch and integration server
Flyweight BPM system. Include Workflow,Form,Report etc.