Nextcloud (CalDAV)

Create an App Password

In Nextcloud, open Personal settings → Security, and under Devices & sessions create a new app password named "memrynote". Copy it.

Connect

In Settings → Calendar → CalDAV, pick Nextcloud and type your server's name, such as cloud.example.com. memrynote uses https://cloud.example.com/remote.php/dav/. Enter your Nextcloud username and the app password, and press Test connection.