So, where is the LDAP server? Would the contacts be accessible through CardDAV?
What is the problem you are having with rclone? I would like to set rclone up to copy from local to remote and remote to local, only files that are newer. Use case is to have binary file on google drive and want to use...
using Rclone with WebDAV
See also: rclone with Nextcloud
A single self-contained Python script.
CalDAV & CardDAV tool for Linux/POSIX
Simple scheduled rsync/rclone might be enough, for just the Files data, but would that get notes/calendar/contacts?
Would syncing the whole thing and restoring to another URL actually create a working duplicate?
Also to consider is WebDAV mirroring/sync
- davfs2 plus rsync seems like the most active and robust option
- gvfs supports DAV mounting also
- Duplicati can sync to a DAV server, but would use local files as the source. This seems to preclude syncing CalDAV/CardDav data, too.
- vdirsyncer can sync CalDAV/CardDav (which should get tasks)
-- seems to be slated for replacement by pimsync
Rclone syncs your files to cloud storage: Google Drive, S3, Swift, Dropbox, Google Cloud Storage, Azure, Box and many more.
Alternative for Windows with GUI: FreeFileSync
The 5 advanced rsync tips are also very handy.
compatible with Nextcloud Bookmarks app
uses CalDAV protocol
It's on the Ovi store, actually.
Requires Android 4.0 ics or higher
Works on FreeNAS. Could be useful both on a home appliance, and on a hosted server.