If an app asks for the "Server Address" enter: https://cloud.computerjazz.net
Desktop Apps
Mac OS - Windows - Linuxhttps://nextcloud.com/install/#install-clients
Mobile Apps
iOShttps://geo.itunes.apple.com/us/app/nextcloud/id1125420102?mt=8
Android
https://play.google.com/store/apps/details?id=com.nextcloud.client