Binary package “davical” in ubuntu bionic

PHP CalDAV and CardDAV Server

 The DAViCal CalDAV Server is designed to store CalDAV calendars and
 CardDAV addressbooks, such as those from Evolution, Sunbird/Lightning,
 Mulberry, iCal, iPhone or SOHO Organizer, in a central location,
 providing shared calendars, free/busy publication and a
 basic administration interface.