an Open Source BPMN 2.0 / DMN 1.1 Modeler
Syntax tree editor for rapid annotation of existing text
A cross-platform integrated CASE system
Open-source code generator for Simulink/Stateflow
ER Databese Model
Modeling tool supporting UML, BPMN and other standards
Imixs Workflow - the open source business process management
Toolkit for agent-based & dynamic microsimulation modelling
Free software for generating understandable and accurate fuzzy systems
A graphical editor for PlantUML diagrams.