Hello, Here at the Univeristy of Ulster Intelligent Systems Research Centre we have been gradually learning to use ROS, having previously used Player/Stage extensively. We are now in the process of creating a repository in which we hope to place some of our software. To begin with, we have added our Vicon tracking system interface library, with a ROS interface using tf. Shortly we will add more. The repository can be found here: https://github.com/cburbridge/uuisrc-ros-pkg It would be great if our repository could be added to the ros wiki. All the best, Chris Burbridge Research Associate, University of Ulster ISRC