Free uml2 software for windows

Visual Paradigm SDE for JDeveloper is a UML CASE tool/plug-in tightly integrated with JDeveloper. This UML modeling software supports full software lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in JDeveloper, reverse engineer Java code to class diagrams, generate Java code and generate documentation.
SDE-JD Features:
+Support UML version 2.1
+Business Workflow diagram
+Modeling collaboratively with CVS and Subversion (New Feature)
+Support UML2 model through XMI (New Feature)
+Shape editor
+Data flow diagram
+Fast project loading and saving speed
+Use Case Details Editor - An all-in-one environment for specifying a use cases details including general model specification and use case descriptions
+EJB Diagram - Visualize EJB systems.
+EJB Code Generation and Deployment - Generate beans for your application development and deployment.
+ORM support - generate Java objects from database
+Database generation - ERD to database tables
+Database reverse - existing DBMS to ERD
+Reverse engineering - code to model, code to diagram
+Instant Reverse for Java, C++, .NET exe/dll, XML, XML Schema,IDL
+Code Generation - model to code, diagram to code
+Round-trip engineering
+Automatic synchronization between source code and diagrams
+Automatic diagram layout - rearrange shapes and connectors on diagrams in elegant styles
+Import Rational Rose project
+Import XMI/export XMI
+Export diagrams to JPG, PNG, SVG
+Visio Integration - draw UML diagrams with MS Visio stencils
+PDF/HTML Report generator
+Version control
+More...
Other UML Modeling Tools / UML Plugins:
Java Platform (Windows/Linux/Mac OS X):
+SDE for Eclipse
+SDE for Borland JBuilder
+SDE for IntelliJ IDEA
+SDE for NetBeans
+SDE for Sun ONE
+SDE for WebLogic Workshop
Windows Platform:
+SDE for Microsoft Visual Studio
+More SDE...