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 diagram).
+Round-trip engineering
+Instant Reverse for XML, Dot NET dll/exe, C++, CORBA IDL
+IDE Integration: Visual Studio .NET, IBM WebSphere, JBuilder, IntelliJ IDEA, Eclipse, NetBeans, Sun ONE
+more

Visual Paradigm for UML is an easy-to-use UML CASE tool supporting all UML diagrams - class diagram, use case diagram, sequence diagram, communication diagram, state diagram, activity diagram, component diagram, deployment diagram.
+Microsoft Visio Integration
+Instant Reverse for XML, XML Schema, Dot NET dll/exe, C++, CORBA IDL
+IDE Integration: Visual Studio .NET, IBM WebSphere, JBuilder, IntelliJ IDEA, Eclipse, NetBeans, Sun ONE
+more

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 Visio Integration
+Instant Reverse for XML, XML Schema, DotNET dll/exe, C++, CORBA IDL
+IDE Integration: Visual Studio .NET, IBM WebSphere, JBuilder, IntelliJ IDEA, Eclipse, NetBeans, Sun ONE
+more

SDE for Visual Studio .NET is an easy-to-use UML tool seamlessly integrated with Visual Studio. SDE supports full software development life-cycle -analysis, design, implementation, testing and deployment. You can draw UML diagrams (class, use case...) in Visual Studio .NET, generate C# code, reverse engineer C# code to class diagrams, import Rational Rose...
+Visio integration
+Reverse XML, C++, CORBA IDL
+Plug-in and template
+more

SDE for Visual Studio .NET is a full-featured UML modeling tool seamlessly integrated with Visual Studio .NET. SDE supports full software development life-cycle - analysis, design, implementation, testing and deployment. You can capture requirements, draw UML diagrams, reverse engineer C# to UML model, generate C# code and generate UML documents in HTML/PDF format...
+Use case modeling
+Visio integration
+Reverse XML, .NET dll, C++
+more

SDE for Visual Studio .NET is a full-featured UML CASE tool seamlessly integrated with Visual Studio. SDE supports full software development life-cycle -analysis, design, implementation, testing and deployment. SDE supports reverse engineering (C# code to UML model), real-time code generation (UML model to C# code), import Rational Rose, MS Visio integration...
+Use case modeling
+Reverse XML, DotNET dll
+Report generator (HTML/PDF)
+more

SDE for JBuilder is a full-featured UML CASE tool seamlessly integrated with JBuilder. SDE supports full software development life-cycle - analysis, design, implementation, testing and deployment. SDE supports the latest UML notation, incremental round-trip engineering, reverse engineering (Java to model), code generation (model to Java), import Rational Rose...
+Use case modeling
+Visio integration
+Plug-in and template
+more

EDraw is a new UML diagram and software diagram drawing tool for software engineers and designers. Easy to draw uml model diagram, COM and OLE, data flow model diagram, Jacobson Use Case, SSADM Diagram, Nassi-Schneiderman diagrams, Booch OOD diagrams, ROOM Diagram, Yourdon and Coad diagrams and Shlaer-Mellor OOA diagrams, program structure diagrams, enterprise application diagrams, UML use case, UML sequence diagram and other UML diagrams.

Cadifra UML Editor is a fast and lightweight UML diagram editor for Windows 2000, XP and Vista. Can embed diagrams in Microsoft Word (and others). Unlimited undo/redo without exceptions (limited only by memory). Implements full Windows Drag&Drop. Produces high quality diagrams (no arrows piercing boxes) while still very easy to use. No Code Generation.

Altova UModel 2007 is the starting point for successful software development. Visually design application models and generate Java or C# code, or reverse engineer existing programs into UML 2 diagrams, then fine tune your designs and complete the round trip by regenerating code. UModel takes the mystery out of UML, making visual software design practical for programmers and project managers. It is the simple, cost-effective way to draw on UML.

Blueprint Software Modeler FREE Community Edition. A free and powerful UML software modeling tool implemented according to the latest UML2.1 standard; integrated with and built on top of the Eclipse3.2 IDE. The Community Edition supports the most important diagrams: Class Diagram, Package Diagram, Component Diagram, Use Case Diagram, Activity Diagram, State Machine Diagram and Sequence Diagram . Remaining UML diagrams will be included shortly.