On the wiki-pages and in files descriptions you can add a built-in Google Calendar.
To add a calendar on the page click "Insert Macro" icon in the editor:
In the dialog box select "Tools Google"/ "Google Calendar":
Now specify the calendar parameters:
In result on the page you can view your Google calendar:
The calendar creator defines the parameters of access to this calendar. If the "Make this calendar public" option not been selected, the calendar on Project Kaiser page is available only if the user web browser has passed the authorization for the Google account, which created this calendar. If you choose to make your calendar public the other users can view it.