The Free Shareware version only converts classes, use cases and class diagrams.
Simply check it out !

• Blueprint Software Modeler - Community Edition 1.4.0
  Blueprint Software Modeler FREE Community Edition. A free and powerful UML software modeling tool implemented according to OMG's latest UML2.1 standard. Blueprint SM is based on...

• Pacestar UML Diagrammer 4.1
  Creates UML diagrams quickly and easily

• MaintainJ Plugin 2.8
  MaintainJ, an Eclipse plug-in, generates runtime UML sequence and class diagrams for a given use case, helping the users to quickly understand a complex Java or J2EE application. MaintainJ logs runtime method call trace to a file and uses that...

• SDE for Visual Studio .NET (ME) for Windows 3.0 Modele
  Visual Paradigm SDE for Visual Studio

• SDE for Visual Studio .NET (PE) for Windows 3.0 Profes
  Visual Paradigm SDE for Visual Studio .NET is a UML CASE tool/plug-in tightly integrated with Visual Studio .NET. This UML modeling software supports full software development lifecycle - analysis, design, implementation, testing and deployment. This UML CASE tool helps you build quality applications faster, better and cheaper. You can draw all...

• SDE for IntelliJ IDEA (CE) for Linux 3.0 Commun
  Visual Paradigm SDE for IntelliJ IDEA is a UML CASE tool/plug-in tightly integrated with IntelliJ IDEA

• Edraw UML Diagram 5.6
  Edraw is a new UML diagram and software diagram drawing tool