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Cyberduck vs Air Explorer: catalog facts
Cyberduck	Air Explorer
Free Free and open source under GPLv3. The vendor also sells a separate product, Mountain Duck…	Freemium Free to download, with a paid Pro version.
Windows, macOS, Command line	Windows, macOS, Command line
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	Supports more than 50 cloud services and unlimited accounts Direct cloud-to-cloud transfers
No graphical Linux application; Linux gets the CLI only Mounting remote storage as a local drive is a separate paid product, Mountain Duck	Closed source Some features reserved for the Pro version
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	No account 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.