davical software package provides The DAViCal CalDAV & CardDAV Server, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install davical
davical is installed in your system.
Make ensure the davical package were installed using the commands given below,
$ sudo dpkg-query -l | grep davical *
You will get with davical package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | X Window System software |
| Package | davical |
| Version | 1.1.1-1 |
| Description | The DAViCal CalDAV & CardDAV Server |
| Sub Section | x11 |