:Zimbra Collaboration Server, Keeping the Discussion Going
Zimbra Collaboration Server, Keeping the Discussion Going Oct 10, 2008, 17 :05 UTC (4 Talkback[s]) (1553 reads) (Other stories by Aaron Weiss)
"ZCS, therefore, is more than just open source. Licensed versions offer additional functionality above and beyond the open source version are also available. These may appeal to customers with particular messaging needs. Plus, ZCS runs primarily on Linux-based platforms, although it is also available for Mac OS X. There is not a Windows version, but the server can certainly interoperate with clients on Windows platforms. An open extension framework is also available that enables two-way interoperability with leading collaboration platforms, including Microsoft Exchange Server, Lotus Domino Messaging Server and Meeting Maker."