eUML2 Studio is a powerful set of tools developed from scratch for Eclipse. These tools are designed specially for developers to put UML in action at the development level: ensure the software quality and reduce the development time.
1 - Select the Available Software tab and click on the Add Site... button.
2 - In the next dialog box, type the update site address: http://www.soyatec.com/update/ganymede/
3 - Select the features to install and click on the Install... button: