an Open Source BPMN 2.0 / DMN 1.1 Modeler
Syntax tree editor for rapid annotation of existing text
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
PUed - PlantUML Editor
Combinatorial Interaction Testing Laboratory
UML diagram editor
The markup language for design the programs
Plugin for MagicDraw to support MBSE with SysML
A graphical editor for PlantUML diagrams.
Prototype editor for the SDEM Mapping Language
An editor for presentation models and presentation interaction models
An Eclipse plug-in for the IBM FileNet P8 Content Engine and CMIS
Workflow Tool for Eclipse