What are some alternatives?
When comparing Cyberduck and RaiDrive, you can also consider the following products
FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
ExpanDrive - ExpanDrive is a fast network drive and browser for cloud storage.
WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
NetDrive - Cloud storage as hard disk
Forklift - The most advanced dual pane file manager and file transfer client for macOS.
Rclone - rsync for cloud storage.