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.
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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.
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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 (Community Edition) for Mac OS X 

Visual Paradigm for UML is a full life-cycle UML CASE tool that supports the latest UML notation (class diagram, use case diagram, sequence diagram, communication diagram, statechart diagram, activity diagram, component diagram, deployment diagram).
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Visual Paradigm for UML (Community Edition) for Windows 

Visual Paradigm for UML is an easy-to-use UML tool that supports reverse engineering for Java, XML, XML Schema, .NET dll/exe, C++, CORBA IDL, code generation, import Rational, XMI, report generator, MS Visio integration, version control, plugin, etc.
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Visual Paradigm for UML (Personal Edition) for Mac OS X 

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.
uml uml 2.0 uml tools modelling tools uml diagrams case tools class diagrams use cases rational rose object oriented oo ood