Visual Paradigm for UML is a professional UML tool that supports complete software lifecycle - object-oriented analysis, object-oriented design, construction, testing and deployment. The UML modeling software helps you build quality applications faster, better and at lower cost. You can draw all types of class diagrams, reverse code, generate code from diagrams and generate documentation. The UML CASE tool also provides abundant UML tutorials, UML interactive demonstrations and UML projects.

Feature List:
+The latest UML support
+CRC Card diagram support
+Business Workflow diagram - Process, Decision, Business Actor, Document
+Roundtrip engineering
+Reverse engineering - code to model, code to diagram
+Reverse engineering Java, C++, XML Schema, XML, DotNET exe/dll, CORBA IDL
+Code Generation - model to code, diagram to code
+Use Case Details Editor - An all-in-one environment for specifying a use case's details including general model specification and use case descriptions
+Full Screen Diagram Editing - Maximizes the diagramming area
+Sweeper - Drag to sweep shapes aside to make room for creating new shapes.
+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
+Auto-sync between source code and diagrams
+Report generator for generating documentation
+Automatic diagram layout - rearrange shapes and connectors in diagrams
+Import/export XMI file
+Import Rational Rose project file
+Microsoft Visio Integration - draw UML diagrams with Visio stencils
+Version control
+More...

Other UML modeling Tools / UML Plugins:
Java Platform (Windows/Linux/Mac OS X):
+SDE for Eclipse
+SDE for NetBeans
+SDE for Sun ONE
+SDE for Oracle JDeveloper
+SDE for IBM WebSphere
+SDE for JBuilder
+SDE for IntelliJ IDEA
+SDE for WebLogic Workshop

Windows Platform:
+SDE for MS Visual Studio .NET
+More SDE...