Modelio

Modelio is an open source modeling environment (UML2, BPMN2, ...). Based on a 20-year track record of high end commercial products, Modelio delivers a broad-focused range of standards-based functionalities for software developers, analysts, designers, business architects and system architects.

Main Features

UML Modeler
BPMN support integrated with UML
Java code generator
XMI import/export
HTML model publishing
Extension system
Scripting language support (Jython)