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I'm looking for a collaboration tool similar to Google Docs but with one major difference: be able to run the collaboration document editing tool on intranet - nobody from outside the intranet should be able to access the data.

I'm aware about SharePoint but I heard that it is very expensive.

Also, wikis are good but they are missing two important features: concurrent editing and spreadsheet support.

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2 Answers 2

up vote 2 down vote accepted

WSS is free.


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Probably I will take a look at it after I install Windows 2003 Server on a virtual machine. –  sorin Jan 21 '10 at 13:53
We use it internally. It's not the full blown product like Sharepoint Portal Server or MOSS, but it's fairly feature rich. –  joeqwerty Jan 21 '10 at 13:58
WSS is a great solution. Also note that spreadsheets on fileshares already support concurrent editing however I usually strongly discourage it, If you are doing concurrent editing in excel 9 times out of 10 you.are using the wrong app. I try to push the users over to sql server express or (if I have no other choice ) access. See "Use a shared workbook to collaborate" in excel help for details –  Jim B Jan 21 '10 at 14:19
...for some definition of "free." You still need a Windows Server box to run it on. –  ktower Jan 21 '10 at 15:24
@ktower: True, but to carry this to it's logical conclusion: you need a physical host machine which is not free, you need power which is not free, you need a location to house it in which is not free, etc., etc. In the spirit of my answer WSS is free. ;) –  joeqwerty Jan 21 '10 at 15:40

Well since Etherpad has been open sourced you could try that here is a link explaining its installation http://code.google.com/p/etherpad/wiki/Instructions

Hope that helps!!

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