Sparx Systems doesn’t just publish any add-in for Enterprise Architect. Each add-in on the list has been demonstrated to the the people of Sparx, and only if they approve it it will be added to the list.
So a couple of week ago I had an appointment to do a web conference with Sparx to do a little demo of my add-in.
Now they have approved it and the part about the EA Navigator has been published, and it even has its own url for direct navigation: http://www.sparxsystems.com/products/3rdparty.html#EAnavigator.
This is how it looks like: