Have you ever exported a model to Navisworks and wish your room tags were visible? This utility will place a 3D Room Tag family at each room in your model using a provided Generic Model family. You can customize the family.
This free add-in may be downloaded from the Case Apps website.
Update 5/8/2016: CASE and the CASE Apps website are no more but, courtesy of WeWork, the CASE Apps are now open source. They may be accessed on GitHub.