Nextcloud ed

Installation ed

see Manjaro configuration

Clients ed

Gnome ed

...system wide... then evolution etc automatically know

Windows ed

bla bla

Windows phone ed

Contact & calendar

• settings -> accounts -> email/app
• add account -> iCloud
• random email address + password (probably, it creates an account with apple?)
• edit, set proper user name and urls:
• caldav: https://cloud.michi.is-a-geek.org/remote.php/dav/
• carddav: https://cloud.michi.is-a-geek.org/remote.php/dav/addressbooks/users/michi/contacts/

now, the contact app can select it as a source