EDraw is a new UML diagram and software diagram drawing tool. Easy to draw uml model diagram, COM and OLE, data flow model diagram, Jacobson Use Case, SSADM Diagram, Nassi-Schneiderman, Booch OOD, ROOM Diagram, Yourdon and Coad and Shlaer-Mellor OOA.

Free Java IDE and UML CASE Tool is now available for FREE Download! (by Visual Paradigm)

A full feature cross-platform UML CASE tool with Java code generation.

UML State Machine Wizard VC add-in for embedded systems development and simulation.

MagicDraw is a visual UML modeling and CASE tool with teamwork support. MagicDraw provides full support for UML 2.0 metamodel, including class, use case, communication, sequence, state, activity, implementation, package, and other diagrams.

Ensure your success in IBM OOAD (with UML) certification exam with Whizlabs simulator comprising of 5 mock exams (280 questions) on the latest pattern.

Pacestar UML Diagrammer helps you to quickly and easily generate all varieties of UML2 diagrams. Develop, document, and communicate your designs in a systematic yet flexible AND commonly understood notation.

You can use this application to create UML,ER,ERD,state diagrams,network topology schema,Cisco networks,component models,process models,business models. In many ways - this application contain more functions than Microsoft Visio and it is free.