Self-Hosted File Sync Tools
Keep the same files on every device. Some of these tools sync through a central server you host, others sync directly between devices, and some move files to and from cloud storage on a schedule.
Nextcloud
Your private Dropbox, Google Drive, and Google Workspace running on your own hardware.
Free + Enterprisex86 + ARMPHP
ownCloud
Your private Dropbox with WebDAV, CalDAV, and LDAP running on your own hardware.
Free + Enterprisex86 + ARMPHP
rclone
A command-line program, described as rsync for cloud storage, that syncs, mounts and encrypts files across more than 70 storage providers.
Freex86 + ARMGo
Seafile
Faster than Nextcloud, private as Dropbox should be, with block-level file synchronization on your own hardware.
Free + Prox86 + ARMC
Syncthing
Continuous, encrypted file synchronisation between your own devices, with no central server holding your files.
Freex86 + ARMGo