I'm looking for something like Dropbox (or centraldesktop) that I can host locally.
I would like users to be able to upload (bonus for multiple upload) and download files into a file structure.
Dropbox is perfect except 1) it only allows one user and 2) we don't have control over it (for this project that is a big issue).
(I would prefer something in PHP as I have a WAMP server running already, but I'm willing to entertain all suggestions at this point.)
Edit: the solution needs to be web based because of client side requirements. Users can currently get to dropbox.com so I know that that works.