https://www.gottabemobile.com/google-extends-google-sync-for-windows-phone-microsoft-promises-caldav-support/
Today Microsoft announced that Google Sync will now work until July 31, giving Microsoft more time to build support for Google services into Windows Phone 8....
google syncwindows phonemicrosoft promisesextendedcaldav
https://nextcloud.com/de/blog/nextcloud-offers-caldav-synchronizer-for-outlook-users/
Thanks to a collaboration between the developers behind the Outlook CalDav Synchronizer and Nextcloud, Outlook users can now easily sync their events, tasks...
nextcloudofferscaldavsynchronizeroutlook
https://www.ibm.com/docs/en/maas360?topic=device-caldav
The CalDAV settings allow device users to access scheduling information on a remote server.
caldav