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.

Ссылка: http://www.edra..EDrawSoftDiagram.exe