Um did you even check out the link? You host it yourself. Many of my clients simply run it internally on their server with no internet access what so ever. Anonymous Coward indeed.

I wrote a web based password manager that might interest you.
It's cheap and you get all the source code on purchase.
http://codecanyon.net/item/password-manager/2145518?ref=michaeldale (includes my referrer link, but you can just delete the ref= part if you wish).

I have a demo version online here: http://www.onlinecompanyportal.com/mrp/
It does categories, multi user, active directory integration and lots more.

Soo, are they running on the Opteron or the new Xeon?