Applications for synchronizing between computers either with or without the use of a centralized server.
Syncthing
Syncthing replaces proprietary sync and cloud services with something open, trustworthy and decentralized. Your data is your data alone and you deserve to choose where it is stored, if it is shared with some third party and how it’s transmitted over the Internet.
Dropbox
Secure backup, sync and sharing made easy
Dropbox is a file hosting service that offers cloud storage, file synchronization, personal cloud, and client software. This package provides the core CLI Dropbox application.
Insync
Insync is a compatible client for openSUSE and other Linux distributions for synchronizing files from Google Drive.
This is a paid for client that, should you chose to use Google Drive for file storage is well worth it.
For more information with it’s usage on openSUSE