A new version of the ReVVed extensions for Revit has been released at www.pkhlineworks.ca.
These are free extensions for Revit 2011 and 2012 and for all flavors of Revit (arch, struct, MEP).

Extensions like:
Text Tools - merge multiple text notes into a single note or change the case of notes.
Component Commander - allows loaded components to be searched and found easier.
Web Link - opens a web browser to the URL stored in Revit components.
Polyline - adjust the total length of end-to-end lines. (Like travel distances)
Open Folder - opens Windows Explorer to the folder where the project or linked file is located.
Project Commander - store critical information about the currently open project in a handy place.