Hi. I'm in search of an open source calendar server designed for the Apache Tomcat where I can run multiple calendars and has support for the IETF standard CalDAV protocol. Can someone suggest an open source calendar server tomcat? Thanks in advance.
Dear Eliza,
I suggest installing DAViCal server.
It is the leading source calendar solution that uses CalDAV as connection protocol.Its features include:
For Apache Configuration when installing DAViCal, Click here Raistlin's blog.
This might help.
Good Luck!
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Dear Eliza,
You can also use the Darwin Calendar Server which is open source and has modest package dependencies.
It is developed using python.
The features are as below:
1.   It supports CalDAV as the connection protocol.
2.   It has built-in SSL authentication.
3.   It is configurable to send email reminders through the IETF’s iMIP.
4.   It also can be used as a contacts server using CardDAV protocol.
