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NcFTP Client vs duck: catalog facts
NcFTP Client	duck
Free The client is free to download.	Free Free to install through package managers or installers.
Windows, Command line	Windows, macOS, Linux, Command line
Long track record in FTP software Recent 3.3.0 release in 2025	Supports FTP, SFTP, WebDAV, S3 and Swift from one tool Access to Cryptomator encrypted vaults
Plain FTP focus, with no secure protocols described Terminal only, no graphical interface	Command line only; use Cyberduck for a graphical interface
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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