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, state diagram, activity diagram, component diagram, deployment diagram).+MS... more info download

Visual Paradigm for UML (Professional Edition) for Linux
Visual Paradigm for UML is an easy-to-use UML modeling tool that supports the latest UML notation (class diagram, use case diagram, sequence diagram, communication diagram, statechart diagram, activity diagram, component diagram, deployment... more info download

SDE for Eclipse (CE)
SDE for Eclipse is a UML CASE tool totally integrated with Eclipse. You can draw UML diagrams in Eclipse, generate Java code, reverse engineering Java code to class diagrams and generate documentation. more info download

SDE for Eclipse (LE) for Mac OS X 3.0 Personal
SDE for Eclipse is a full-featured UML modeling tool seamlessly integrated with Eclipse. SDE supports full software development life-cycle - analysis, design, implementation, testing and deployment. You can draw all types of UML diagrams (use... more info download

QuickUML Windows
QuickUML is a software design tool that tightly integrates a core set of UML models with code generation. A project is presented through a tabbed window of use cases, class models, object models, dictionary and code and saved as an XML file. more info download

QuickUML MacOSX
QuickUML is a software design tool that tightly integrates a core set of UML models with code generation. A project is presented through a tabbed window of use cases, class models, object models, dictionary and code and saved as an XML file. more info download

SDE for Eclipse (ME) for Linux 3.0 Modeler
SDE for Eclipse is an easy-to-use UML tool seamlessly integrated with Eclipse. SDE supports full software development life-cycle -analysis, design, implementation, testing and deployment. You can draw all UML diagrams (class, use case, sequence,... more info download

SDE for Eclipse (SE) for Linux 3.0 Standard
SDE for Eclipse is a full-featured UML CASE tool seamlessly integrated with Eclipse. SDE supports full software development life-cycle - analysis, design, implementation, testing and deployment. You can perform textual analysis and draw UML... more info download

SDE for Sun ONE (CE)
SDE for Sun ONE is a UML CASE tool totally integrated with Sun ONE. You can draw UML diagrams in Sun ONE, generate Java code, reverse engineering Java code to class diagrams and generate documentation. more info download

UMLet UML Tool
Free UML Tool for Fast UML Diagrams. more info download