Linked by David Adams on Thu 28th Aug 2008 17:51 UTC, submitted by stonyandcher
Features, Office Everyone knows that Microsoft Exchange is expensive - but ubiquitous " and plenty of open source projects and vendors have been trying a variety of technical approaches to replace it. While none is yet a drop-in replacement, a PC World article looks at ways that some administrators can get a cost advantage by switching.
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FOSS drop-in replacements
by lemur2 on Fri 29th Aug 2008 00:57 UTC
lemur2
Member since:
2007-02-17

PostPath for Exchange server.

http://www.linux.com/feature/146451
"from the network and Windows PC's viewpoint, PostPath actually appears to be an Exchange server."

Maybe OpenChange will get there also, but it hasn't announced a release yet.
http://www.openchange.org/

Samba and CUPs for file and print servers.
http://www.howtoforge.com/running-a-file-and-print-server-with-ebox...

Alfresco as a replacement for Sharepoint:
http://www.networkworld.com/news/2008/073108-alfresco-open-source-s...
http://news.cnet.com/8301-13505_3-10004398-16.html

Active Directory replacement (Likewise or just Samba4 by itself):
http://searchenterpriselinux.techtarget.com/news/article/0,289142,s...
http://www.eweek.com/c/a/Linux-and-Open-Source/Likewise-Extends-Act...

LAMP stack on your Linux servers. Squid for proxy. MySQL, PostgreSQL or Firebird for SQL database server.

Freedom from CALs!

Compatible with existing Windows client machines, and will also integrate Linux desktop machines.

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