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Pros
Pro Multi-platform
Runs on Windows, Mac, Linux and NAS Devices.
Pro Supports encryption
Supports encryption of file-content and filename.
Pro Supports standard Internet protocols
The server can be accessed via SSH, FTP, rsync and WebDAV.
Pro Native cloud support
Natively supports Amazon S3, Google Drive, DropBox, etc.
Cons
Con Stability
Poor stability on macOS.