Visual Paradigm SDE for Visual Studio .NET is a UML CASE tool/plug-in tightly integrated with Visual Studio .NET. This UML tool supports full software development lifecycle - analysis, design, implementation, testing and deployment. This UML modeling tool helps you build quality applications faster, better and cheaper. You can draw all types of UML diagrams in Visual Studio .NET, generate C# code, reverse engineer C# code to class diagrams and generate documentation.

SDE Features:
+The latest UML support
+CRC Card diagram
+Business Workflow diagram
+Reverse engineering - code to diagram, code to model (C# to UML models, C# to UML diagram)
+Instant Reverse for C#, C++, Java, XML, Dot NET dll/exe, CORBA IDL, Ada 9x source...
+Code Generation - diagram to code, model to code (UML to code, UML model to C#)
+Incremental round-trip engineering
+Automatic synchronization between diagrams and source code
+Automatic diagram layout - rearrange shapes and connectors in UML diagrams in different styles
+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.
+Import/export XMI
+Import Rational Rose
+Export diagrams to SVG, PNG, JPG
+Microsoft Visio Integration - draw UML diagrams with MS Visio shapes
+Report generator for generating UML documentation to PDF or HTML
+Version control
+More...

Other UML Modeling Tools / UML Plug-ins:
Windows Platform:
+SDE for Microsoft Visual Studio .NET
Java Platform (Windows/Linux/Mac OS X):
+SDE for Oracle JDeveloper
+SDE for IBM WebSphere (WSAD)
+SDE for Borland JBuilder
+SDE for IntelliJ IDEA
+SDE for Eclipse
+SDE for NetBeans
+SDE for Sun ONE
+SDE for WebLogic Workshop
+More SDE...