apple ID
ical perl
Net::CalDAV
sync ical

sync -- Accessing iCloud calendars @N15n -- sync ical -- github
http -- ietf rfc4719 -- ical using curl -- 3party pwd 4 apple -- 3party pwd cps note -- also check gaia:~/bin/ical/
client -- thunderbird --
ex -- dl CalDAV via cUrl -- stackoverflow q -- caldav client --