SDE for Visual Studio .NET (ME) for Windows 

SDE for Visual Studio .NET is a UML modeling tool tightly integrated with Visual Studio. SDE supports reverse engineering (C# code to UML model), code generation (UML model to C# code), Microsoft Visio integration, import Rational Rose project...
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SDE for Visual Studio .NET (CE) for Windows 

SDE for Visual Studio .NET is a UML CASE tool tightly integrated with Visual Studio. You can draw UML diagrams in Visual Studio, generate C# code from UML model, reverse engineer C# code to class diagrams, import Rational Rose, export XMI...
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Visual Paradigm for UML (Professional Edition) for Java Platform 

Visual Paradigm for UML is a powerful but easy-to-use UML CASE tool that supports OOAD (OOA, OOD). VP-UML supports round-trip engineering, import Rational Rose, export/import XMI, report generator, MS Visio integration, version control, plug-in, etc.
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SDE for IntelliJ IDEA (CE) for Linux 

SDE for IntelliJ IDEA is a UML plugin for IntelliJ IDEA. SDE supports the latest UML notation, reverse engineering (Java to UML model), code generation (models to Java code), import/export XMI, import Rational Rose, Microsoft Visio integration...
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SDE for IBM WebSphere (CE) for Mac OS X 

SDE for IBM WebSphere is a UML modelling tool tightly integrated with IBM WebSphere. You can draw all types of UML diagrams (class, use case, sequence, collaboration, state chart, activity, component, deployment, object diagram) in IBM WebSphere...
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SDE for IBM WebSphere (CE) for Linux 

SDE for IBM WebSphere is a UML plugin for IBM WebSphere. SDE supports the latest UML notation, reverse engineering (Java to UML model), code generation (models to Java code), import/export XMI, import Rational Rose, Microsoft Visio integration...
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