Visual Paradigm for UML (Standard Edition) for Windows 

Visual Paradigm for UML is an easy-to-use UML tool that supports reverse engineering (code to model), code generation (models to code), import Rational Rose, export/import XMI, report generator, MS Visio integration, version control, plug-in, etc.
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Visual Paradigm for UML (Standard Edition) for Java Platform 

Visual Paradigm for UML is a platform-independent UML tool that runs on Windows, Linux, Mac OS X. VP-UML supports all UML diagrams, reverse engineering (Java, C++, XML, CORBA IDL, DotNET dll...), code generation, import Rational Rose, plugin, etc.
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Visual Paradigm for UML (Standard Edition) for Linux 

Visual Paradigm for UML is a UML modelling tool that supports full software lifecycle - OO analysis, OO design, coding, testing and deployment. VP-UML supports round-trip, reverse engineering, code generation, import XMI, Rational Rose, plugin, etc.
visual paradigm uml uml 2.0 uml tools modelling tools uml diagrams case tools class diagrams use cases rational rose object oriented oo ood

Visual Paradigm for UML (Standard Edition) for Mac OS X 

Visual Paradigm for UML is an easy-to-use UML modeling software that supports OOAD (OOA, OOD). VP-UML supports round-trip, reverse engineering, real-time code generation, import Rational Rose, XMI, report generator, MS Visio integration, plugin, etc.
visual paradigm uml uml 2.0 uml tools modelling tools uml diagrams case tools class diagrams use cases rational rose object oriented oo ood

SDE for Visual Studio .NET (SE) for Windows 

SDE for Visual Studio .NET is a UML plug-in for Visual Studio. SDE supports reverse engineering (C# code to UML model), code generation (UML model to C# code), import Rational Rose project, import/export XMI files, Microsoft Visio integration...
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SDE for Sun ONE (SE) for Windows 

SDE for Sun ONE is a UML plug-in for Sun ONE. SDE supports reverse engineering (Java code to UML model), code generation (UML model to Java code), import Rational Rose project, import/export XMI files, Microsoft Visio integration...
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