The Nextcloud SMS app pushes your Android devices conversation into your Nextcloud instance, using the ocSMS Nextcloud app.
Manage your photo on Android with 2-way sync with Nextcloud server
Manage your photo on Android with 2-way sync with Nextcloud server
Sync your bookmarks across browsers and devices via Nextcloud, WebDAV or a local file (and thus any file sync solution)
Synchronize Contacts, Calendars and Tasks from your Nextcloud with your Android