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.
Green, an Eclipse plugin, is an advanced yet simple UML class-diagram tool, developed primarily for student use. It does live round-tripping, so it's easy to move between diagram and code views. It's extensible: users can define their own relations
New version of the Doodle project (http://doodle.sf.net). This project is related to Origami (paper folding) diagramming.The goal of this new version is to overcome limitations of the existing Doodle to propose an Integrated Diagramming Environment.