However, you are correct. Nextcloud now has federated filesharing built in. It requires the server to be Internet-facing and to have a domain name. According to the documentation, federated shares have to be created manually in a process resembling sharing files in Google Drive.
I stand corrected. Nextcloud has enough federation integrated for me to consider it a part of the Fediverse.
Nextcloud is a server, not an instance.
However, you are correct. Nextcloud now has federated filesharing built in. It requires the server to be Internet-facing and to have a domain name. According to the documentation, federated shares have to be created manually in a process resembling sharing files in Google Drive.
I stand corrected. Nextcloud has enough federation integrated for me to consider it a part of the Fediverse.