As of now, users need to start adding a calendar to see the list of all calendars available to them (as in the attached screenshot). It would be handy to be able to display that list as a gadget on the Confluence dashboard, or as a macro in a page.
TEAMCAL-1648: "..number of subscribers, # of events. etc. ".. To help admins work out how relevant is this calendar, is it being used etc...