We use Microsoft Sharepoint at work. Doesn't fit your criteria of "free" but it does what you're wanting to do.
Quote:
Originally Posted by Chad
And what is this considered? I don't know the technical term for it otherwise I would have Google'd a long time ago  |
Collaborative software or groupware. You could try browsing this list:
http://en.wikipedia.org/wiki/List_of...ative_software