1)   EDraw Soft Diagrammer 4.1
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.
uml, uml diagrams, software diagrams, Enterprise Application, COM and OLE, Data Flow Diagram, Jacobson Use Case, Program Structure Diagrams, Nassi-Schneiderman, Booch OOD,