ERMaster is Eclipse plug-in to make ER diagram. Functionally, Import from data base, Making of table definition book on Excel, Image output, DDL output, etc. are being offered.
Mada Framework is UML design tool . create class diagram and draw classes, relations and generate java code and sql script present the UML run using the command [java -cp fw.jar com.mada.designer.UMLEditor]
Takes in a simple text file and converts it into a UML diagram. Currently simple sequence diagrams are implemented. The diagramming space on Linux boxes isn't great and I wanted a way to quickly put together a sequence diagram.