Servidor de calendario

Esto por el momento es una colección de enlaces solamente.

https://www.google.com.mx/search?q=calendar+server&num=100&as_qdr=all&gws_rd=cr&ei=AqS7VfmkA5CkyASbr72oBw#as_qdr=all&num=100&q=Centos+calendar+server

www.rho.cc/?p=92

http://calendarserver.org/

https://www.linux.com/learn/five-best-open-source-calendar-servers-Linux

http://www.techrepublic.com/blog/linux-and-open-source/create-an-easy-to-use-linux-calendar-sharing-server/

http://radicale.org/

http://radicale.org/download/

http://radicale.org/user_documentation/#idcaldav-and-carddav-clients

https://pypi.python.org/pypi/Radicale/

https://www.google.com.mx/search?q=Can+I+use+Outlook+with+radicale&num=100&as_qdr=all&gws_rd=cr,ssl&ei=4KS7VbWWMIGjyAS2qoTwDQ

https://www.donationcoder.com/forum/index.php?topic=30298.0;imode

http://ical.gutentag.ch/ics4ol.php

https://sogo.nu/

https://sogo.nu/about.html

https://www.google.com.mx/search?q=Sogo+vs+radicale&num=100&as_qdr=all&gws_rd=cr,ssl&ei=IS_vVZzYHsWpogSc96bABA

https://en.wikipedia.org/wiki/SOGo

http://ubuntuforums.org/showthread.php?t=2212134