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Cyberduck vs SmartFTP: catalog facts
Cyberduck	SmartFTP
Free Free and open source under GPLv3. The vendor also sells a separate product, Mountain Duck…	Paid Commercial software; see the site for license prices.
Windows, macOS, Command line	Windows
FTP, SFTP, WebDAV, SMB, S3, Swift, B2, Azure, OneDrive, Google Drive and Dropbox in one app Reads your existing OpenSSH configuration, with public key and two-factor support	Wide protocol support, from FTP to S3 and Backblaze B2 Built-in SSH terminal and text editor
No graphical Linux application; Linux gets the CLI only Mounting remote storage as a local drive is a separate paid product, Mountain Duck	Windows only Commercial license required
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.