SDE for NetBeans (PE) for Linux 

SDE for NetBeans is a UML tool tightly integrated with NetBeans. You can draw UML diagrams in NetBeans, generate Java code, reverse engineer Java code to class diagrams, import Rational Rose, export XMI, generate documentation...
netbeans uml ood visual modeler plugin uml 2.0 uml tool modeling tool uml diagram case tool class diagram

SDE for NetBeans (CE) for Mac OS X 

SDE for NetBeans is a UML modelling tool tightly integrated with NetBeans. You can draw all types of UML diagrams (class, use case, sequence, collaboration, state chart, activity, component, deployment, object diagram) in NetBeans...
netbeans uml ood visual modeler plugin uml 2.0 uml tool modeling tool uml diagram case tool class diagram

SDE for NetBeans (CE) for Linux 

SDE for NetBeans is a UML plugin for NetBeans. 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...
netbeans uml ood visual modeler plugin uml 2.0 uml tool modeling tool uml diagram case tool class diagram

Visual Paradigm for UML (Community Edition) for Java Platform 

Visual Paradigm for UML is a UML modeling tool that supports full software lifecycle - object-oriented analysis, design, coding, testing and deployment. VP-UML supports reverse engineering, code generation, import/export XMI, Rational, plugin, etc.
visual paradigm uml modeler uml 2.0 uml tool modeling tool uml diagram case tool class diagram use case rational rose object oriented oo

Visual Paradigm for UML (Community Edition) for Linux 

Visual Paradigm for UML is a full lifecycle UML CASE tool that supports OOAD (OOA, OOD). VP-UML supports round-trip engineering, reverse engineering, real-time code generation, import Rational Rose, export/import XMI, report generator, plugin, etc.
visual paradigm uml modeler uml 2.0 uml tool modeling tool uml diagram case tool class diagram use case rational rose object oriented oo

SDE for JBuilder (PE) for Linux 

SDE for JBuilder is a UML tool tightly integrated with JBuilder. You can draw UML diagrams in JBuilder, generate Java code, reverse engineer Java code to class diagrams, import Rational Rose, export XMI, generate documentation...
jbuilder uml ood visual modeler plugin uml 2.0 uml tool modeling tool uml diagram case tool class diagram