Below is the information of the remote Eclipse Update Site for the current release, which requires JDK 8. For detailed instructions, please see the Installation section.
Name: ObjectAid UML Explorer
If you are running JDK 6 or 7, please use the 1.1.x release:
Name: ObjectAid UML Explorer 1.1.x
The ObjectAid UML Explorer is an Eclipse plug-in, so you need a Java Development Kit and the Eclipse Java IDE to use it.