DirSpy

DirSpy is a powerful network utility for seeing users who have files open within a specific directory
and much more. Other impressive features of DirSpy include extensive server/client information,
volume information, volume disk space monitoring, directory information, deleted file infor-
mation, the ability to salvage and purge deleted files, tree diagram of network, see who is
online for a particular server, see the connected/disconnected servers for the current user,
send messages to users, clear connections of users, query the network for user names, change
user passwords and much much more!