calypso(1) on Linux
The text eaeb65a32ec1, as Debian 8 (Jessie) shipped it.
CalDAV/CardDAV server with git storage
Flags it lists
-
--certificate -
--daemon -
--debug -
--foreground -
--help -
--host -
--key -
--no-ssl -
--port -
--ssl -
--version -
-H -
-S -
-c -
-d -
-f -
-g -
-h -
-k -
-p -
-s -
-v